CN112531410A - Connector with locking device - Google Patents
Connector with locking device Download PDFInfo
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- CN112531410A CN112531410A CN202011276613.XA CN202011276613A CN112531410A CN 112531410 A CN112531410 A CN 112531410A CN 202011276613 A CN202011276613 A CN 202011276613A CN 112531410 A CN112531410 A CN 112531410A
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- locking device
- connector
- connecting device
- locking
- connecting structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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Abstract
The invention discloses a connector with a locking device, which comprises a first connecting device, a second connecting device, a first locking device and a second locking device, wherein the first connecting device is connected with the second connecting device; the second connecting device is used for fixing and protecting a power terminal and a signal terminal inside the second connecting device, and the first connecting device is matched with the second connecting device; the upper surface of the first connecting device is provided with a first connecting structure, and the first connecting structure is clamped with the first locking device; the second connecting structure is detachably connected with the first locking device, a second connecting structure is arranged on the upper surface of the second connecting device, and the second connecting structure is clamped with the second locking device. The high-voltage interlocking structure of the connector can realize the function that a low-voltage monitoring circuit in the connector is disconnected earlier than a high-voltage circuit and a certain lead is kept.
Description
Technical Field
The invention relates to the field of connectors, in particular to a connector with a locking device.
Background
The connector is an electric and electronic transmission connecting part among circuits, assemblies or systems, so that signal current stably and reliably flows, and the assembly and the maintenance are convenient.
As shown in fig. 1a and 1b, a schematic structural diagram of a conventional Connector includes a male plastic box 1, a female plastic box 2 and a Connector locking device 3 (CPA), wherein the male plastic box 1 is used for fixing a power male terminal and a signal female terminal, the female plastic box 2 is used for fixing a power female terminal and a signal male terminal, in order to ensure stable connection of the two types of male and female terminals, in the conventional Connector installation process, the Connector locking device 3 is first assembled into the female plastic box 2 to a first Position, then the female plastic box 2 and the Connector locking device 3 are assembled into the male plastic box 1 at the same time, when an outer clamping handle 21 of the female plastic box 2 is clamped into a clamping point 11 of the male plastic box 1, the male plastic box 1 and the female plastic box 2 are locked, and finally, the male terminals are connected to form a high-voltage interlocking loop by assembling the Connector locking device 3 into the female plastic box 2 to a second Position, the assembly of the connector is completed.
However, since the conventional connector has only one locking point 11 on the male housing 1, when the connector locking device 3 is moved back to the one-stage locking state when the connector is unlocked, the locking point can be unlocked by pressing the unlocking portion 31 of the connector locking device 3. At this time, the power male and female terminals are separated from the signal male and female terminals respectively, but the unlocking moment is short and about 10ms, so that the power terminal and the signal terminal are separated almost simultaneously, and when the response time of the controller is less than 100ms, the high-voltage power cannot be cut off in time. Therefore, when the power male terminal and the signal male terminal are separated from each other, that is, the high-voltage interlock loop is disconnected instantaneously, the voltage of the whole loop is at two ends of the breakpoint, the air is broken through by high voltage, and an arc discharge phenomenon is caused between the two devices.
Disclosure of Invention
The invention provides a connector with a locking device, which aims to solve the problem that at the moment of disconnection of the existing connector, because a high-voltage connector does not have breaking capacity, voltage breakdown air is caused to draw an arc between two devices at two ends of a voltage loading breakpoint of a whole loop, and the potential safety hazard of personal injury is caused.
In a first aspect, the present embodiment provides a connector with a locking device, including: the first connecting device, the second connecting device, the first locking device and the second locking device;
the second connecting device is used for fixing and protecting a power terminal and a signal terminal inside the second connecting device, and the first connecting device is matched with the second connecting device;
the first connecting device is provided with a first connecting structure, and the second connecting device is provided with a second connecting structure; the first connecting structure is detachably connected with the second connecting structure and the second locking device respectively; the second connecting structure is detachably connected with the first locking device.
With reference to the first aspect, in one implementation manner, an upper surface of the first connecting device is provided with a raised first connecting structure; the first connecting structure is a wedge-shaped structure, and the upper surface of the first connecting structure is an upward slope surface along the direction that the second connecting device is connected into the first connecting device;
the outer wall surface of the first connecting structure is perpendicular to the upper surface of the first connecting device, and after the second connecting device is connected into the first connecting device, the outer wall surface of the first connecting structure is abutted to the second connecting structure and used for limiting the first connecting structure and the second connecting structure to be separated.
With reference to the first aspect, in one implementation manner, the second connecting structure is fixedly connected to the upper surface of the second connecting device through a connecting rod at the bottom of the second connecting structure; the second connecting structure is provided with an open slot and is used for being clamped with the first locking device and the first connecting structure.
With reference to the first aspect, in an implementation manner, an opening direction of the open slot is opposite to an implantation direction of the first locking device, and the open slot includes a first open slot and a second open slot which are distributed up and down and connected at side surfaces;
the first opening groove is used for clamping and connecting the first locking device with the first locking device when the first locking device is implanted into the second connecting device;
when the second open slot is used for connecting the second connecting device to the first connecting device, the inner wall surface of the second open slot is clamped with the outer wall surface of the first connecting structure, and the first connecting structure is limited to be separated from the second connecting structure.
With reference to the first aspect, in one implementation, the first locking device is configured to prevent the first connecting device from being unlocked from the second connecting device due to accidental touching of the first locking device or the second connecting structure;
the upper surface of the first locking device is provided with a first clamping point and a second clamping point which are protruded upwards;
when the first locking device is implanted into the second connecting device to a section of state, the first clamping point and the second clamping point are respectively abutted against the rear wall surface and the front wall surface of the first open slot;
when the first locking device is implanted into the second connecting device to a two-section state, the first clamping point is abutted against the front wall surface of the first open slot;
the lower surface of the first locking device is provided with a downward convex third clamping point, when the first locking device is implanted into the second connecting device to a two-section state, the third clamping point is clamped with a groove at the front end of the second opening groove and used for limiting the front and back displacement of the first locking device after the first locking device is implanted into the second connecting device.
With reference to the first aspect, in an implementation manner, the second connecting device is further provided with a protruding block for detachably connecting with the second locking device;
the convex blocks are convex structures which are symmetrically distributed on two sides in the second connecting device, each convex block comprises a first convex block and a second convex block, and the convex direction of each first convex block is opposite to the convex direction of each second convex block;
the convex block is provided with a slope surface close to one side of the second connecting device implanted by the second locking device, is far away from one side of the second connecting device implanted by the second locking device, and is provided with a vertical surface.
With reference to the first aspect, in one implementation manner, the second locking device performs secondary limiting and unlocking on the card contact point in the unlocking process of the first connecting device and the second connecting device, so as to ensure that a low-voltage monitoring circuit in the connector is disconnected before a high-voltage circuit;
a fourth clamping point and a fifth clamping point which are protruded are arranged on two sides of the second locking device, and the protruding directions of the fourth clamping point and the fifth clamping point are opposite;
when the second locking device is implanted into the second connecting device, the second locking device is implanted into the second connecting device along the slope surface of the convex block until the fourth clamping point is clamped with the first convex block, the fifth clamping point is clamped with the second convex block, and the fourth clamping point and the fifth clamping point are tightly attached to the vertical surface of the convex block.
With reference to the first aspect, in an implementation manner, a limiting structure protruding downward is disposed at a front end of the second locking device, and when the second connecting device is unlocked from the first connecting device, that is, when the inner wall surface of the second open slot is unlocked from the outer wall surface of the first connecting structure, the limiting structure abuts against the outer wall surface of the first connecting structure, so as to limit separation of the first connecting device from the second connecting device again.
In a second aspect, the present embodiment provides a locking method of a connector, including:
102, implanting the second locking device into a second connecting device for locking;
103, correspondingly connecting the first connecting device with the second connecting device to lock the first connecting structure with the second connecting structure, wherein the high-pressure loop is communicated firstly, and the low-pressure monitoring loop is communicated secondly;
step 104, implanting the first locking device into the second connector device to a two-stage state, wherein the connector is fully locked and the connector is assembled.
In a third aspect, the present embodiment provides an unlocking method of a connector, including:
As can be seen from the above technical solutions, an embodiment of the present invention provides a connector with a locking device, including: the first connecting device, the second connecting device, the first locking device and the second locking device; the second connecting device is used for fixing and protecting a power terminal and a signal terminal inside the second connecting device, and the first connecting device is matched with the second connecting device; the first connecting device is provided with a first connecting structure, and the second connecting device is provided with a second connecting structure; the first connecting structure is detachably connected with the second connecting structure and the second locking device respectively; the second connecting structure is detachably connected with the first locking device.
In the prior art, at the moment of disconnection of the connector, because the high-voltage connector does not have breaking capacity, voltage breakdown air is caused to be drawn out of an arc between two devices at two ends of a voltage loading breakpoint of the whole loop, and potential safety hazards of personal injury are caused. By adopting the connector with the locking device, the low-voltage monitoring circuit in the connector can be disconnected earlier than the high-voltage circuit, and the function of keeping a certain lead can be realized, so that the risk caused by manual misoperation can be effectively avoided.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1a is a schematic diagram of a prior art connector according to an embodiment of the present invention;
FIG. 1b is a schematic view of an unlocking structure of a conventional connector according to an embodiment of the present invention;
FIG. 2a is a schematic view of an unlocked state of a connector having a locking device according to an embodiment of the present invention;
fig. 2b is a schematic view of a locking state of a connector with a locking device according to an embodiment of the present invention;
fig. 2c is a schematic cross-sectional view of a connector with a locking device according to an embodiment of the present invention;
fig. 3a is a schematic view of a first connection structure of a connector with a locking device according to an embodiment of the present invention;
fig. 3b is a schematic diagram illustrating a locking state of the first connecting structure and the second connecting structure in the connector with the locking device according to the embodiment of the present invention;
FIG. 3c is a schematic view of a second connection structure of a connector with a locking device according to an embodiment of the present invention;
FIG. 3d is a schematic view of an open slot in a second connection configuration of a connector having a locking device according to an embodiment of the present invention;
fig. 3e is a schematic diagram illustrating a locking state of the second opening groove and the first connection structure of the connector with the locking device according to the embodiment of the present invention;
fig. 4a is a schematic structural view of a first locking device in a connector with a locking device according to an embodiment of the present invention;
fig. 4b is a schematic diagram illustrating a locking state of the first locking device and the first opening groove in the connector with the locking device according to the embodiment of the present invention;
fig. 4c is a schematic diagram illustrating a locking state of the first locking device and the second opening groove in the connector with the locking device according to the embodiment of the present invention;
fig. 5a is a schematic view of a bump structure in a second connecting structure of a connector with a locking device according to an embodiment of the present invention;
fig. 5b is a schematic diagram of a specific structure of a bump in a connector with a locking device according to an embodiment of the present invention;
FIG. 5c is a schematic view of a connector with a locking device according to an embodiment of the present invention, shown in the prior art, prior to implantation of a second locking device in a second coupling configuration;
FIG. 5d is a side elevational view of a connector with a locking mechanism according to an embodiment of the present invention shown in section prior to implantation of a second locking mechanism in a second coupling configuration;
FIG. 5e is a schematic view of a connector with a locking device according to an embodiment of the present invention after a second locking device is implanted in a second connecting structure;
fig. 5f is a schematic diagram of a limiting structure in a second locking device of the connector with the locking device according to the embodiment of the present invention;
fig. 6 is a cross-sectional view schematically illustrating a locked state of a connector having a locking device according to an embodiment of the present invention;
fig. 7a is a schematic view of a first unlocked state of a connector with a locking device according to an embodiment of the present invention;
fig. 7b is a cross-sectional view of a connector with a locking device according to an embodiment of the present invention in a first unlocked state;
fig. 7c is a cross-sectional view of a connector with a locking device according to an embodiment of the present invention in a second unlocked state;
FIG. 7d is a schematic view of a fully unlocked state of a connector having a locking device according to some embodiments of the present invention;
10-a first connecting device, 101-a first connecting structure, 1011-an outer wall surface, 20-a second connecting device, 201-a second connecting structure, 2011-a connecting rod, 2012-an open slot, 20121-a first open slot, 20122-a second open slot, 202-a convex block, 2021-a first convex block, 2022-a second convex block, 30-a first locking device, 301-a first clamping point, 302-a second clamping point, 303-a third clamping point, 40-a second locking device, 401-a fourth clamping point, 402-a fifth clamping point and 403-a limiting structure.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The embodiment of the invention discloses a connector with a locking device, which is applied to the field of electric automobiles, and is used for checking the electrical connection integrity (continuity) of all branches connected with a high-voltage bus on the electric automobile, including system loops such as a whole battery system, a lead, a connector, a DCDC (direct current DC), a motor controller, a high-voltage box, a protective cover and the like, by using a low-voltage signal, and timely disconnecting the high-voltage power when the loop is identified to be abnormally disconnected.
As shown in fig. 2a and 2b, the present embodiment discloses a connector with a locking device, including: a first connecting means 10, a second connecting means 20, a first locking means 30 and a second locking means 40;
the second connecting device 20 is used for fixing and protecting the power terminal and the signal terminal inside the second connecting device 20, and the first connecting device 10 is matched with the second connecting device 20;
as shown in fig. 2c, a first connecting structure 101 is disposed on the first connecting device 10, and a second connecting structure 201 is disposed on the second connecting device 20; the first connecting structure 101 is detachably connected with the second connecting structure 201 and the second locking device 40 respectively; the second connecting structure 201 is detachably connected to the first locking device 30.
In the prior art, at the moment of disconnection of the connector, because the high-voltage connector does not have breaking capacity, voltage breakdown air is caused to be drawn out of an arc between two devices at two ends of a voltage loading breakpoint of the whole loop, and potential safety hazards of personal injury are caused. By adopting the connector with the locking device, the low-voltage monitoring circuit in the connector can be disconnected earlier than the high-voltage circuit in the unlocking process, and the function of keeping a certain advance can be realized, so that the risk caused by manual misoperation can be effectively avoided.
As shown in fig. 3a, in the connector with a locking device according to the present embodiment, a convex first connecting structure 101 is disposed on an upper surface of the first connecting device 10; the first connecting structure 101 is a wedge-shaped structure, and the upper surface of the first connecting structure 101 is an upward slope along the direction that the second connecting device 20 is connected into the first connecting device 10;
as shown in fig. 3b, the outer wall surface 1011 of the first connecting structure 101 is perpendicular to the upper surface of the first connecting device 10, and after the second connecting device 20 is connected to the first connecting device 10, the outer wall surface 1011 of the first connecting structure 101 abuts against the second connecting structure 201, so as to limit the separation of the first connecting structure 101 and the second connecting structure 201.
As shown in fig. 3c, in the connector with a locking device according to this embodiment, the second connecting structure 201 is fixedly connected to the upper surface of the second connecting device 20 through a connecting rod 2011 at the bottom of the second connecting structure 201; the second connecting structure 201 is provided with an open slot 2012 for engaging with the first locking device 30 and the first connecting structure 101.
As shown in fig. 3d, in the connector with a locking device according to this embodiment, the opening direction of the open slot 2012 is opposite to the implantation direction of the first locking device 30, and the open slot 2012 includes a first open slot 20121 and a second open slot 20122 which are distributed up and down and connected laterally;
the first opening groove 20121 is used for clamping the first locking device 30 when the first locking device 30 is implanted into the second connecting device 20;
as shown in fig. 3e, when the second opening groove 20122 is used to connect the second connection device 20 to the first connection device 10, an inner wall surface of the second opening groove 20122 is engaged with an outer wall surface 1011 of the first connection structure 101, so as to limit the separation of the first connection structure 101 from the second connection structure 201.
As can be seen from fig. 3a to 3e, in this embodiment, when the second connection device 20 is connected to the first connection device 10, because the upper surface of the first connection structure 101 is an upward slope along the direction in which the second connection device 20 is connected to the first connection device 10, the second open slot 20122 can be lifted up conveniently until the second open slot 20122 falls down from the state lifted up by the slope and is tightly attached to the outer wall surface 1011 of the first connection structure 101, the inner wall surface of the second open slot 20122 is clamped to the outer wall surface 1011 of the first connection structure 101, so that the second connection device 20 is stably connected to the first connection device 10, the high-pressure circuit is connected first in the connection process, and the low-pressure monitoring circuit is connected later. Meanwhile, since the inner wall surface of the second opening groove 20122 is engaged with the outer wall surface 1011 of the first connecting structure 101, the second connecting device 20 is difficult to be detached in the direction opposite to the implanting direction.
As shown in fig. 4a, in the connector with a locking device according to the present embodiment, the first locking device 30 is used to prevent the first locking device 30 or the second connecting structure 201 from being touched by mistake, which results in unlocking the first connecting device 10 from the second connecting device 20;
the upper surface of the first locking device 30 is provided with a first clamping point 301 and a second clamping point 302 which are raised upwards;
as shown in fig. 4b, when the first locking device 30 is implanted into the second connecting device 20 to a certain position, the first and second locking points 301 and 302 abut against the rear wall and the front wall of the first opening groove 20121, respectively; in this embodiment, of the wall surfaces on both sides of the first open slot 20121, the front wall surface of the first open slot 20121 refers to the wall surface in the direction in which the first locking device 30 is implanted into the second connecting device 20, the rear wall surface of the first open slot 20121 refers to the wall surface in the direction in which the first locking device 30 is separated from the second connecting device 20, when the first locking device 30 is implanted into the second connecting device 20 to a certain state, the first open slot 20121 is located between the first clamping point 301 and the second clamping point 302, that is, the first clamping point 301 abuts against the rear wall surface of the first open slot 20121, and the second clamping point 302 abuts against the front wall surface of the first open slot 20121. When the first locking device 30 is implanted into the second connecting device 20 to the second state, the first locking point 301 abuts against the front wall of the first opening groove 20121.
In this embodiment, when the first locking device 30 is implanted into the second connecting device 20 to the second position, the whole connector is assembled, the first locking device 30 cannot be pressed at this time, so that unlocking of the connector due to misoperation can be avoided, and the first locking device 30 can be pressed to unlock only when the first locking device 30 is located at the first position.
As shown in fig. 4c, a third clamping point 303 protruding downward is disposed on the lower surface of the first locking device 30, and when the first locking device 30 is implanted into the second connecting device 20 to the two-stage state, the third clamping point 303 is clamped with the groove at the front end of the second opening groove 20122, so as to limit the forward and backward displacement of the first locking device 30 after being implanted into the second connecting device 20. In this embodiment, when the first locking device 30 is implanted into the second connecting device 20 to the second state, that is, the front wall of the first opening groove 20121 is located behind the first locking point 301, and the groove at the front end of the second opening groove 20122 is locked with the third locking point 303, so that the first locking device 30 is difficult to separate from the second connecting device 20 in the direction opposite to the implantation direction.
As can be seen from fig. 4a to 4c, in the present embodiment, after the second connecting device 20 is connected to the first connecting device 10, the first locking device 30 is implanted into the second connecting device 20, and the first locking device 30 is effectively prevented from being detached from the second connecting device 20 by the first locking point 301, the second locking point 302 and the third locking point 303 on the first locking device 30, so that the displacement of the opening slot 2012 in the second connecting device 20 is limited by the first locking device 30, and at the same time, the opening slot 2012 is connected to the first connecting structure 101, so that further, the first locking device 30 can achieve the purpose of preventing the first locking device 30 or the second connecting structure 201 from being touched by mistake to unlock the first connecting device 10 from the second connecting device 20.
Furthermore, as shown in fig. 4a to 4c, when the first locking means 30 is implanted in a position of the second connecting means 20, the circuit is not connected. The high voltage circuit and the low voltage monitoring circuit are connected in turn only after the second connecting device 20 is connected to the first connecting device 10.
In a connector with a locking device according to the present embodiment, as shown in fig. 5a, the second connecting device 20 is further provided with a protrusion 202 for detachably connecting with the second locking device 40;
as shown in fig. 5b, the bump 202 is a protruding structure symmetrically distributed on two sides inside the second connecting device 20, the bump 202 includes a first bump 2021 and a second bump 2022, and the protruding direction of the first bump 2021 is opposite to the protruding direction of the second bump 2022;
the projection 202 is provided with a slope surface near the side where the second locking device 40 is implanted into the second connecting device 20, and the projection 202 is provided with a vertical surface far from the side where the second locking device 40 is implanted into the second connecting device 20.
In the connector with the locking device according to this embodiment, the second locking device 40 performs secondary limiting and unlocking on the card contact point in the unlocking process of the first connecting device 10 and the second connecting device 20, so as to ensure that the low-voltage monitoring circuit in the connector is disconnected before the high-voltage monitoring circuit;
as shown in fig. 5b, a fourth fastening point 401 and a fifth fastening point 402 are provided at two sides of the second locking device 40, and the protruding directions of the fourth fastening point 401 and the fifth fastening point 402 are opposite; as shown in fig. 5c, which is a schematic perspective view of the second locking device 40 before being implanted into the second connecting device 20, as shown in fig. 5d, which is a schematic position of the second connecting device 20 where the second locking device 40 needs to be implanted, as shown in fig. 5e, when the second locking device 40 is implanted into the second connecting device 20 along the slope of the protrusion 202 until the fourth locking point 401 is engaged with the first protrusion 2021, and the fifth locking point 402 is engaged with the second protrusion 2022, the fourth locking point 401 and the fifth locking point 402 are tightly attached to the vertical surface of the protrusion 202.
As shown in fig. 5f, in the connector with a locking device according to this embodiment, a limiting structure 403 protruding downward is disposed at a front end of the second locking device 40, and when the second connecting device 20 is unlocked from the first connecting device 10, that is, when an inner wall surface of the second opening groove 20122 is unlocked from an outer wall surface 1011 of the first connecting structure 101, the limiting structure 403 abuts against the outer wall surface 1011 of the first connecting structure 101, so as to limit separation of the first connecting device 10 from the second connecting device 20 again.
As can be seen from fig. 5a to 5f, in this embodiment, the protrusion 202 is provided with a slope on a side close to the second locking device 40 where the second connecting device 20 is implanted, so that when the second locking device 40 is implanted into the second connecting device 20, the second locking device 40 is lifted by the slope and deformed by being pressed, and when the second locking device 40 is further implanted into the second connecting device 20, since the protrusion 202 is provided with a vertical surface on a side far from the second locking device 40 where the second connecting device 20 is implanted, the second locking device 40 falls down by the slope and is tightly attached to the vertical surface of the protrusion 202, so that the fourth locking point 401 is engaged with the first protrusion 2021, and the fifth locking point 402 is engaged with the second protrusion 2022. Meanwhile, the limiting structure 403 abuts against the outer wall surface 1011 of the first connecting structure 101, so that the second locking device 40 is stably connected with the second connecting device 20. In addition, the second locking device 40 can abut against the outer wall surface 1011 of the first connecting structure 101 through the limiting structure 403 to limit the displacement of the second connecting device 20, so that the purpose of limiting the separation of the first connecting device 10 from the second connecting device 20 again is achieved, the low-voltage monitoring circuit is disconnected, and the unlocking can be continued only by pressing the second locking device 40, so that the high-voltage circuit is disconnected.
On the basis of the connector with the locking device disclosed in the embodiment, the embodiment further discloses a locking method of the connector, which includes:
102, implanting the second locking device 40 into the second connecting device 20 for locking;
103, correspondingly connecting the first connecting device 10 with the second connecting device 20, so that the first connecting structure 101 is locked with the second connecting structure 201, wherein the high-pressure loop is firstly communicated, and the low-pressure monitoring loop is then communicated;
step 104, implanting the first locking device 30 into the second connector device 20 to a two-stage state, with the connector fully locked and the connector fully assembled.
On the basis of the connector with the locking device disclosed in the embodiment, the embodiment further discloses an unlocking method of the connector, which includes:
In the prior art, at the moment of disconnection of the connector, because the high-voltage connector does not have breaking capacity, voltage breakdown air is caused to be drawn out of an arc between two devices at two ends of a voltage loading breakpoint of the whole loop, and potential safety hazards of personal injury are caused. By adopting the connector with the locking device, the low-voltage monitoring circuit in the connector can be disconnected earlier than the high-voltage circuit, and the function of keeping a certain lead can be realized, so that the risk caused by manual misoperation can be effectively avoided.
The same and similar parts in the various embodiments in this specification may be referred to each other. The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention.
Claims (10)
1. A connector with a locking device, comprising: a first connecting device (10), a second connecting device (20), a first locking device (30) and a second locking device (40);
the second connecting device (20) is used for fixing and protecting power terminals and signal terminals inside the second connecting device (20), and the first connecting device (10) is matched with the second connecting device (20);
a first connecting structure (101) is arranged on the first connecting device (10), and a second connecting structure (201) is arranged on the second connecting device (20); the first connecting structure (101) is detachably connected with the second connecting structure (201) and the second locking device (40) respectively; the second connecting structure (201) is detachably connected with the first locking device (30).
2. A connector with locking device according to claim 1, characterized in that the upper surface of the first connecting means (10) is provided with a raised first connecting structure (101); the first connecting structure (101) is a wedge-shaped structure, and the upper surface of the first connecting structure (101) is an upward slope surface along the direction that the second connecting device (20) is connected into the first connecting device (10);
the outer wall surface (1011) of the first connecting structure (101) is perpendicular to the upper surface of the first connecting device (10), and after the second connecting device (20) is connected into the first connecting device (10), the outer wall surface (1011) of the first connecting structure (101) is abutted against the second connecting structure (201) and used for limiting the separation of the first connecting structure (101) and the second connecting structure (201).
3. A connector with a locking device according to claim 1, characterized in that the second connecting structure (201) is fixedly connected to the upper surface of the second connecting device (20) by a connecting rod (2011) at the bottom of the second connecting structure (201); the second connecting structure (201) is provided with an open slot (2012) for clamping with the first locking device (30) and the first connecting structure (101).
4. A connector with locking device according to claim 3, characterized in that the opening direction of the open slot (2012) is opposite to the implantation direction of the first locking device (30), and the open slot (2012) comprises a first open slot (20121) and a second open slot (20122) which are distributed up and down and connected laterally;
the first opening groove (20121) is used for clamping the first locking device (30) when the first locking device (30) is implanted into the second connecting device (20);
when the second opening groove (20122) is used for connecting the second connecting device (20) into the first connecting device (10), the inner wall surface of the second opening groove (20122) is clamped with the outer wall surface (1011) of the first connecting structure (101), and the first connecting structure (101) is limited to be separated from the second connecting structure (201).
5. A connector with locking device according to claim 4, characterized in that the first locking device (30) is used to prevent the first locking device (30) or the second connecting structure (201) from being touched by mistake resulting in the first connecting device (10) being unlocked from the second connecting device (20);
the upper surface of the first locking device (30) is provided with a first clamping point (301) and a second clamping point (302) which are raised upwards;
when the first locking device (30) is implanted into the second connecting device (20) to a section state, the first clamping point (301) and the second clamping point (302) are respectively abutted against the rear wall surface and the front wall surface of the first opening groove (20121);
when the first locking device (30) is implanted into the second connecting device (20) to a two-stage state, the first clamping point (301) is abutted against the front wall surface of the first opening groove (20121);
the lower surface of the first locking device (30) is provided with a third clamping point (303) protruding downwards, when the first locking device (30) is implanted into the second connecting device (20) to a two-stage state, the third clamping point (303) is clamped with a groove at the front end of the second opening groove (20122) and used for limiting the front-back displacement of the first locking device (30) after the first locking device is implanted into the second connecting device (20).
6. A connector with locking device according to claim 3, characterized in that said second connecting means (20) is further provided with a cam (202) for detachable connection with the second locking means (40);
the bump (202) is a protrusion structure symmetrically distributed on two sides inside the second connection device (20), the bump (202) comprises a first bump (2021) and a second bump (2022), and the protrusion direction of the first bump (2021) is opposite to the protrusion direction of the second bump (2022);
the side close to the side, where the second locking device (40) is implanted into the second connecting device (20), of the projection (202) is provided with a slope, the side far away from the side, where the second locking device (40) is implanted into the second connecting device (20), of the projection (202) is provided with a vertical surface.
7. A connector with locking device according to claim 6, characterized in that said second locking device (40) ensures that the low-pressure monitoring circuit is disconnected before the high-pressure circuit in the connector by limiting and unlocking the contact point twice during the unlocking of the first connecting device (10) from the second connecting device (20);
a fourth clamping point (401) and a fifth clamping point (402) which are protruded are arranged on two sides of the second locking device (40), and the protruding directions of the fourth clamping point (401) and the fifth clamping point (402) are opposite;
when the second locking device (40) is implanted into the second connecting device (20), the second locking device (40) is implanted into the second connecting device (20) along the slope of the bump (202) until the fourth clamping point (401) is clamped with the first bump (2021), the fifth clamping point (402) is clamped with the second bump (2022), and the fourth clamping point (401) and the fifth clamping point (402) are tightly attached to the vertical surface of the bump (202).
8. A connector with a locking device according to claim 7, wherein the front end of the second locking device (40) is provided with a downwardly convex limiting structure (403), and when the second connecting device (20) is unlocked from the first connecting device (10), namely, when the inner wall surface of the second open slot (20122) is unlocked from the outer wall surface (1011) of the first connecting structure (101), the limiting structure (403) abuts against the outer wall surface (1011) of the first connecting structure (101) so as to limit the separation of the first connecting device (10) from the second connecting device (20) again.
9. A connector with a locking device according to any one of claims 1 to 8, wherein a locking method of the connector comprises:
step 101, implanting said first locking means (30) into a second connecting means (20) to a state of one stage;
102, implanting the second locking device (40) into a second connecting device (20) for locking;
103, correspondingly connecting the first connecting device (10) with the second connecting device (20) to lock the first connecting structure (101) with the second connecting structure (201), wherein a high-pressure loop is communicated firstly, and a low-pressure monitoring loop is communicated later;
step 104, implanting the first locking device (30) into the second connector device (20) to a two-stage state, the connector being fully locked, the connector being fully assembled.
10. A connector with a locking device according to any one of claims 1 to 8, wherein a method of unlocking the connector comprises:
step 201, retracting the first locking device (30) to a first-stage state, pressing the first locking device (30), moving the second connecting structure (20) along a connector unlocking direction at the same time, unlocking the first connecting structure (101) and the second connecting structure (201), and disconnecting a low-pressure monitoring circuit in the connector; the second locking device (40) is used for limiting the further unlocking of the first connecting device (10) and the second connecting device (20);
step 202, pressing the second locking device (40) to further unlock the first connecting device (10) and the second connecting device (20), and disconnecting a high-voltage circuit in the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011276613.XA CN112531410B (en) | 2020-11-16 | 2020-11-16 | Connector with locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011276613.XA CN112531410B (en) | 2020-11-16 | 2020-11-16 | Connector with locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112531410A true CN112531410A (en) | 2021-03-19 |
| CN112531410B CN112531410B (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011276613.XA Active CN112531410B (en) | 2020-11-16 | 2020-11-16 | Connector with locking device |
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| Country | Link |
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| CN (1) | CN112531410B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117039515A (en) * | 2023-08-11 | 2023-11-10 | 东莞市信翰精密工业有限公司 | Sealed wire end connector |
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| US6648669B1 (en) * | 2002-07-17 | 2003-11-18 | Yazaki North America | Electrical connection with sequential disconnect |
| CN105406281A (en) * | 2015-10-16 | 2016-03-16 | 宁波天鹭莱电子技术有限公司 | Circular electric connector |
| CN106410515A (en) * | 2016-10-21 | 2017-02-15 | 中航光电科技股份有限公司 | Plug, socket and high-voltage interlocking connector assembly |
| CN210016042U (en) * | 2018-09-17 | 2020-02-04 | 合肥吉顺新能源科技有限公司 | Energy storage connector |
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2020
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| GB9520518D0 (en) * | 1995-10-04 | 1995-12-13 | Amp Gmbh | Coupled secondary locking member for an electrical connector |
| CA2361961A1 (en) * | 2000-11-17 | 2002-05-17 | Fci | A plug connector with a secondary locking device |
| US6648669B1 (en) * | 2002-07-17 | 2003-11-18 | Yazaki North America | Electrical connection with sequential disconnect |
| CN105406281A (en) * | 2015-10-16 | 2016-03-16 | 宁波天鹭莱电子技术有限公司 | Circular electric connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117039515A (en) * | 2023-08-11 | 2023-11-10 | 东莞市信翰精密工业有限公司 | Sealed wire end connector |
| CN117039515B (en) * | 2023-08-11 | 2024-04-05 | 东莞市信翰精密工业有限公司 | Sealed wire end connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112531410B (en) | 2022-07-19 |
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