CN203607336U - Relay contact control device and equipment - Google Patents
Relay contact control device and equipment Download PDFInfo
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- CN203607336U CN203607336U CN201320813441.4U CN201320813441U CN203607336U CN 203607336 U CN203607336 U CN 203607336U CN 201320813441 U CN201320813441 U CN 201320813441U CN 203607336 U CN203607336 U CN 203607336U
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- 238000002474 experimental method Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a relay contact controlling means and equipment. The relay contact control apparatus includes: the relay is connected with a coil of the normally closed relay; and the power supply is connected with the relay. Through the utility model discloses, can carry out the electric life-span experiment of normally closed contact in the technique that does not change relay electric life-span experimental facilities.
Description
Technical field
The utility model relates to relay field, in particular to a kind of relay contact control device and equipment.
Background technology
Prior art is carried out electrical endurance experimental facilities to relay, only can carry out repetition on-off test to the normally opened contact of relay, and cannot realize this test to relay normally-closed contact, thereby cannot carry out the test in relay normally-closed contact life-span.
For the normally opened contact of relay, in the time that the voltage pulse signal of equipment is given to relay coil, the contact of relay changes into closure by disconnection, the now contact of normally opened relay and load connected, form current circuit, while disconnection in the contact of normally opened relay, cannot form current circuit.As shown in Figure 1, the time t1 that receives pulse signal M1 of normally opened relay contact C1 is 1 second, closed one second of the contact C1 of normally opened relay, and the time that pulse signal disappears is that t0 is 9 seconds, the contact C1 of normally opened relay disconnects 9 seconds.So one-period, is recorded as once experiment.
Fig. 2 is the schematic diagram of normally opened contact relay in prior art.As shown in the figure, the coil X0 of this normally opened contact relay is connected with binding post L ' 1, for switching on power.Normally opened contact relay comprises K switch ' 1 and K ' 2.Wherein, two contacts of the K switch of normally opened contact relay ' 1 are connected respectively at two wiring points of load wiring post L ' 2.In the time that coil X0 powers on, K switch ' 1 closure, forms loop with the load that is connected to load wiring post L ' 2.
In theory, as shown in Figure 3, the time t1 that receives pulse signal of the contact C2 of normally closed relay is 1 second, and the contact C2 of normally closed relay disconnects one second, and the time t0 that pulse signal disappears is 9 seconds, and the time t0 of the contact C2 closure of normally closed relay is 9 seconds.But in the time that the voltage pulse signal of equipment is given to relay coil, the contact C2 of relay changes into disconnection by closure, now cannot connect load, does not form current circuit, therefore cannot test.
The problem that repeats on-off experiment for uncontrollable relay normally-closed contact in prior art, not yet proposes effective solution at present.
Utility model content
Main purpose of the present utility model is to provide a kind of relay contact control device and equipment, repeats to solve uncontrollable relay normally-closed contact in prior art the problem that on-off is tested.
To achieve these goals, according to an aspect of the present utility model, provide a kind of relay contact control appliance.Comprise according to relay contact control appliance of the present utility model: relay, is connected with the coil of normally closed relay; Power supply, is connected with relay.
Further, relay comprises: contact, be connected with the coil of normally closed relay, and while disconnection in contact, control the coil blackout of normally closed relay, in the time of the closing of contact, the coil of controlling normally closed relay powers on; Coil, is connected with power supply.
Further, power supply comprises: configuration power supply, in the time of the closing of contact, is linked to be current circuit with the coil of contact and normally closed relay; DC power supply, is connected with coil.
Further, relay is normally-closed contact type relay.
Further, relay is normally opened contact type relay.
To achieve these goals, according on the other hand of the present utility model, provide a kind of relay contact control device.Comprise according to relay contact control device of the present utility model: the first control unit, for disconnecting by controlling auxiliary relay contact the closure of controlling normally closed relay contact, wherein, auxiliary relay is connected with normally closed relay; The second control unit, for passing through to control the disconnection of auxiliary relay closing of contact control normally closed relay contact.
Further, auxiliary relay is normally-closed contact type relay, and the second control unit comprises: whether first detection module, power on for detection of the coil of normally-closed contact type relay; The first control module, in the time that the coil of normally-closed contact type relay powers on, the contact of controlling normally-closed contact relay disconnects; The second control module, for when the coil blackout of normally-closed contact type relay, controls the closing of contact of normally-closed contact relay.
Further, auxiliary relay is normally opened contact type relay, and the second control unit comprises: whether the second detection module, power on for detection of the coil of normally opened contact relay; The 3rd control module, in the time that the coil of normally opened contact relay powers on, controls the closing of contact of normally opened contact relay; The 4th control module, for when the coil blackout of normally opened contact relay, the contact of controlling normally opened contact relay disconnects.
Further, the second control unit also comprises: the 5th control module, and for controlling the auxiliary relay closing of contact, wherein, the contact of auxiliary relay is connected with the coil of normally closed relay; The 6th control module, for powering on by the coil of controlling auxiliary relay closing of contact control normally closed relay; The 7th control module, for disconnecting according to electric control normally closed relay contact on the coil of normally closed relay.
By the utility model, adopt by controlling auxiliary relay contact and disconnect the closure of controlling normally closed relay contact, wherein, auxiliary relay is connected with normally closed relay; And by controlling the disconnection of auxiliary relay closing of contact control normally closed relay contact, solve uncontrollable relay normally-closed contact in prior art and repeated the problem that on-off is tested, and then reach and do not changing the technical of relay electrical endurance experimental facilities, the effect of carrying out the experiment of normally-closed contact electrical endurance.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the voltage pulse signal control normally opened contact action of prior art;
Fig. 2 is according to the schematic diagram of normally opened contact relay in prior art;
Fig. 3 is according to the schematic diagram of the voltage pulse signal control normally-closed contact action of prior art;
Fig. 4 is according to the schematic diagram of the relay contact control appliance of the utility model embodiment;
Fig. 5 is according to the schematic diagram of the relay contact control appliance of the utility model embodiment;
Fig. 6 is according to the schematic diagram of the relay contact control device of the utility model the first embodiment; And
Fig. 7 is according to the schematic diagram of the relay contact control device of the utility model the second embodiment.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, term " first ", " second " etc. in specification of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and needn't be used for describing specific order or precedence.The data that should be appreciated that such use suitably can exchanged in situation, so as embodiment of the present utility model described herein can with except diagram here or describe those order enforcement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, for example, those steps or unit that process, method, system, product or the equipment that has comprised series of steps or unit is not necessarily limited to clearly list, but can comprise clearly do not list or for these processes, method, product or equipment intrinsic other step or unit.
The utility model provides a kind of relay contact control appliance.
Fig. 4 is according to the schematic diagram of the relay contact control appliance of the utility model embodiment.As shown in the figure, this relay contact control appliance comprises relay and power supply.
Relay J
kbe connected with the coil of normally closed relay.Relay J
kthe coil that can control normally closed relay powers on or power-off.Relay can be normally opened contact type relay, can be also normally-closed contact type relay.
Power supply V20 is connected with relay.Power supply V20 is connected with relay, and for coil, X1 provides DC power supply, also can be connected with contact 5 with contact 3, and contact is connected with power supply.The coil X2(that contact 4 and contact 5 are connected to normally closed relay as shown in Figure 5).One end 1 of coil X1 is connected respectively at power supply V20 with the other end 2.Contact 3 and contact 4 form K switch 3, and contact 5 and contact 6 form K switch 4.Contact 3, contact 4, contact 5 and contact 6 can be also same switches.
Further, as shown in Figure 5, the power supply V20 shown in Fig. 4 comprises the configuration power supply V201 shown in Fig. 5 and DC power supply V202.Two binding posts of configuration power supply V201 are connected with contact 5 respectively at contact 3, the contact 4 corresponding with contact 3 is connected with one end of the coil X2 of normally closed relay, the contact 6 corresponding with contact 5 is connected with the other end of the coil X2 of normally closed relay, in K switch 3 and K switch 4 closures, coil X2 is linked to be current circuit by K switch 3 and K switch 4 with configuration power supply V201.
If K switch 3 or K switch 4 disconnect, above-mentioned current circuit disconnects, the coil X2 power-off of normally closed relay; If K switch 3 and K switch 4 closures, above-mentioned current circuit is connected, and the coil X2 of normally closed relay powers on.，
Coil X1 is connected with DC power supply.This DC power supply can provide 24V DC power supply for X1.
Relay J in relay contact control appliance in the utility model embodiment
kcan be normally-closed contact type relay, can also be normally opened contact type relay.
Due to the K switch 1 of normally closed relay when the coil X2 of normally closed relay does not power in closure state, in the time that the coil X2 of normally closed relay receives pulse signal, the K switch 1 of normally closed relay disconnects, load cannot be connected, loop cannot be formed, therefore, the K switch of auxiliary relay 3 is connected between configuration power supply V201 and the coil X1 of normally closed relay, after the contact of auxiliary relay disconnects, the coil X2 power-off of normally closed relay, makes the contact X2 closure of normally closed relay; After the closing of contact of auxiliary relay, the coil X2 of normally closed relay powers on, and the contact of normally closed relay is disconnected.Wherein, in K switch 1, there is contact, in Fig. 5, do not illustrate.
The contact of auxiliary relay can be connected with configuration power supply V201, and the voltage of configuration power supply V201 is the rated voltage of normally closed relay coil X2.
By connect auxiliary relay on normally closed relay, make the K switch 1 of normally closed relay in off-state, thereby normally closed relay is received after pulse signal, the closing of contact of normally closed relay, connect load, form loop, thereby carry out the repeatedly connect-closed electrical endurance experiment of K1 of normally closed relay.
Further, auxiliary relay can be normally opened contact type relay, can be also normally-closed contact type relay.Can control normally closed relay because auxiliary relay is connected with the coil X2 of normally closed relay and before experiment, remain open state, then by controlling the powering on or the repeatedly disconnect-closure of contact of power-off control normally closed relay of coil of auxiliary relay.
The utility model also provides a kind of relay contact control device.
The relay contact control device that the relay contact control method of the utility model embodiment can provide by the utility model embodiment is carried out, the relay contact control method that the relay contact control device of the utility model embodiment also can provide for carrying out the utility model embodiment.
Fig. 6 is according to the schematic diagram of the relay contact control device of the utility model the first embodiment.As shown in the figure, this relay contact control device comprises the first control unit 10 second control units 20.
The first control unit 10 is for disconnecting by controlling auxiliary relay contact the closure of controlling normally closed relay contact, and wherein, auxiliary relay is connected with normally closed relay.And
The second control unit 20 is for passing through to control the disconnection of auxiliary relay closing of contact control normally closed relay contact.
Due to the contact of normally closed relay when the coil of normally closed relay does not power in closure state, in the time that the coil of normally closed relay receives pulse signal, the contact of normally closed relay disconnects, load cannot be connected, loop cannot be formed, therefore, the contact of auxiliary relay is connected between configuration power supply and the coil of normally closed relay, after the contact of auxiliary relay disconnects, the coil blackout of normally closed relay, makes the closing of contact of normally closed relay; After the closing of contact of auxiliary relay, the coil of normally closed relay powers on, and the contact of normally closed relay is disconnected.
The contact of auxiliary relay can be connected with configuration power supply, and the voltage of configuration power supply is the rated voltage of normally closed relay coil.
By connect auxiliary relay on normally closed relay, make the contact of normally closed relay in off-state, thereby normally closed relay is received after pulse signal, the closing of contact of normally closed relay, connect load, form loop, thereby carry out the repeatedly connect-closed electrical endurance experiment of contact of normally closed relay.
Further, auxiliary relay can be normally opened contact type relay, can be also normally-closed contact type relay.Can control normally closed relay because auxiliary relay is connected with the coil of normally closed relay and before experiment, remain open state, then by controlling the powering on or the repeatedly disconnect-closure of contact of power-off control normally closed relay of coil of auxiliary relay.
In the time that auxiliary relay is normally-closed contact type relay, the second control unit of the utility model embodiment comprises first detection module, the first control module and the second control module.
Whether first detection module powers on for detection of the coil of normally-closed contact relay.Whether the coil of normally-closed contact type relay can be controlled disconnection and the closure of the contact of normally-closed contact relay, therefore powered on and determined that the contact of normally-closed contact type relay disconnects or closure by the coil of detection normally-closed contact type relay.
The first control module is in the time that the coil of normally-closed contact relay powers on, and the contact of controlling normally-closed contact relay disconnects.The contact of normally-closed contact type relay in the time that the coil of normally-closed contact type relay does not power in closure state, if detect that the coil of normally-closed contact type relay powers on, the contact that the magnetic force that coil produces can be controlled normally-closed contact type relay disconnects.
The second control module, in the time of the coil blackout of normally-closed contact relay, is controlled the closing of contact of normally-closed contact relay.The contact of normally-closed contact type relay is in closure state in the time that the coil of normally-closed contact type relay does not power on, if the coil blackout of normally-closed contact type relay, the contact of normally-closed contact type relay becomes closure state from off-state.
Further, auxiliary relay can be normally opened contact type relay, can be also normally-closed contact type relay.Can control normally closed relay because auxiliary relay is connected with the coil of normally closed relay and before experiment, remain open state, then by controlling the powering on or the repeatedly disconnect-closure of contact of power-off control normally closed relay of coil of auxiliary relay.
In the time that auxiliary relay is normally opened contact type relay, the second control unit of the utility model embodiment also comprises the second detection module, the 3rd control module and the 4th control module.
Whether the second detection module powers on for detection of the coil of normally opened contact relay.Whether the coil of normally opened contact type relay can be controlled disconnection and the closure of the contact of normally opened contact relay, therefore powered on and determined that the contact of normally opened contact type relay disconnects or closure by the coil of detection normally opened contact type relay.
The 3rd control module, in the time that the coil of normally opened contact relay powers on, is controlled the closing of contact of normally opened contact relay.The contact of normally opened contact type relay in the time that the coil of normally opened contact type relay does not power in off-state, if detect that the coil of normally opened contact type relay powers on, the magnetic force that coil produces can be controlled the closing of contact of normally opened contact type relay.
The 4th control module is in the time of the coil blackout of normally opened contact relay, and the contact of controlling normally opened contact relay disconnects.The contact of normally opened contact type relay is in off-state in the time that the coil of normally opened contact type relay does not power on, if the coil blackout of normally opened contact type relay, the contact of normally opened contact type relay becomes off-state from closure state.
Fig. 7 is according to the schematic diagram of the relay contact control device of the utility model the second embodiment.As shown in the figure, this relay contact control device comprises the first control unit 10 and the second control unit 20, and wherein, the second control unit 20 comprises the 5th control module 201, the 6th control module 202 and the 7th control module 203.
The 5th control module 201 is for controlling the auxiliary relay closing of contact, and wherein, the contact of auxiliary relay is connected with the coil of normally closed relay.The contact of auxiliary relay is connected between configuration power supply and the coil of normally closed relay, and in the time of the closing of contact of auxiliary relay, the coil of power supply and normally closed relay forms loop, and the coil of normally closed relay is powered on.Due to the contact of normally closed relay in the time that coil powers in off-state, for the contact that makes normally closed relay disconnects, will make the coil of normally closed relay power on, therefore need to control the closing of contact of auxiliary relay, and make the coil of power supply and normally closed relay form loop.
If auxiliary relay is normally opened contact type relay, can control the closing of contact of electric control auxiliary relay on the coil of auxiliary relay.
If auxiliary relay is normally-closed contact type relay, can control the closing of contact of the coil blackout control auxiliary relay of auxiliary relay.
The 6th control module 202 is for powering on by the coil of controlling auxiliary relay closing of contact control normally closed relay.The closing of contact of auxiliary relay can make the coil of normally closed relay and configuration power supply form current circuit, thereby the coil of normally closed relay is powered on.
The 7th control module 203 is for disconnecting according to electric control normally closed relay contact on the coil of normally closed relay.After the coil that closes relay powers on, produce magnetic force and can control the contact of normally closed relay and disconnect.
By the closing of contact of controlling auxiliary relay, the coil of normally closed relay is powered on, thereby the contact of normally closed relay is disconnected.The contact of normally closed relay before testing is in off-state, the normally closed relay that this contact can be disconnected is regarded normally opened relay as, can utilize existing relay electrical endurance experimental facilities to carry out repetition on-off experiment, easy to use and cost is low.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. a relay contact control appliance, is characterized in that, comprising:
Relay, is connected with the coil of normally closed relay; And
Power supply, is connected with described relay.
2. relay contact control appliance according to claim 1, is characterized in that, described relay comprises:
Contact, is connected with the coil of described normally closed relay, while disconnection, controls the coil blackout of described normally closed relay in described contact, and in the time of the described closing of contact, the coil of controlling described normally closed relay powers on; And
Coil, is connected with described power supply.
3. relay contact control appliance according to claim 1, is characterized in that, described power supply comprises:
Configuration power supply, in the time of the described closing of contact, is linked to be current circuit with the coil of described contact and described normally closed relay; And
DC power supply, is connected with described coil.
4. relay contact control appliance according to claim 1, is characterized in that, described relay is normally-closed contact type relay.
5. relay contact control appliance according to claim 1, is characterized in that, described relay is normally opened contact type relay.
6. a relay contact control device, is characterized in that, comprising:
The first control unit, for disconnecting by controlling auxiliary relay contact the closure of controlling normally closed relay contact, wherein, described auxiliary relay is connected with described normally closed relay; And
The second control unit, for by the disconnection of controlling normally closed relay contact described in described auxiliary relay closing of contact control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813441.4U CN203607336U (en) | 2013-12-10 | 2013-12-10 | Relay contact control device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813441.4U CN203607336U (en) | 2013-12-10 | 2013-12-10 | Relay contact control device and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607336U true CN203607336U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320813441.4U Expired - Fee Related CN203607336U (en) | 2013-12-10 | 2013-12-10 | Relay contact control device and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701083A (en) * | 2013-12-10 | 2015-06-10 | 珠海格力电器股份有限公司 | relay contact control method, device and equipment |
| CN107564769A (en) * | 2016-09-14 | 2018-01-09 | 菲尼克斯电气公司 | Relay with controller |
-
2013
- 2013-12-10 CN CN201320813441.4U patent/CN203607336U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701083A (en) * | 2013-12-10 | 2015-06-10 | 珠海格力电器股份有限公司 | relay contact control method, device and equipment |
| CN104701083B (en) * | 2013-12-10 | 2018-01-05 | 珠海格力电器股份有限公司 | relay contact control method, device and equipment |
| CN107564769A (en) * | 2016-09-14 | 2018-01-09 | 菲尼克斯电气公司 | Relay with controller |
| CN107564769B (en) * | 2016-09-14 | 2019-07-09 | 菲尼克斯电气公司 | Relay with controller |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |