CN104597774A - Working circuit, system and device used for safety control - Google Patents
Working circuit, system and device used for safety control Download PDFInfo
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- CN104597774A CN104597774A CN201310549366.XA CN201310549366A CN104597774A CN 104597774 A CN104597774 A CN 104597774A CN 201310549366 A CN201310549366 A CN 201310549366A CN 104597774 A CN104597774 A CN 104597774A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The invention relates to a working circuit used for safety control. The working circuit comprises a power module, a full-wave rectification module, a drive module, an electromagnet, a movement control device, a warning module, a controlled device, a monitoring circuit module, a first combined switch and a second switch, wherein the electromagnet is connected with the drive circuit to act on the movement control device so as to control the switching on and switching off of the combined switch and control the warming circuit and the external controlled device. The invention also provides a system with the circuit and a device with the circuit; by using the system with the circuit and the device with the circuit, emergent braking can be achieved, the machine or a door can be more safely and accurately monitored; and the circuit is simple, convenient to use, low in cost and easy to produce.
Description
Technical field
The present invention relates to safety control technology field, particularly relate to a kind of operating circuit for security control, system and device.
Background technology
Modern automated production generally depends on robotic.The robotic epoch propose very high requirement to production safety and personal safety again, and in order to avoid unnecessary loss, safety control has just arisen at the historic moment.Current safety door latch is at various self-reacting device equipment, electronic equipment, and arrived the status that cannot replace in the application of the large voltage of big current etc., the effect of safety door latch is, when existing when being potentially dangerous, stops machine to run.For realizing this effect, safety return circuit must be controlled to disconnect or close by safety door latch.
The safety door latch circuit provided in the market is complicated, and manufacturing cost is high, not easily produces.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of operating circuit for safety door latch, makes safety door latch circuit simple, is easy to produce, reduces manufacturing cost.
The technical solution adopted for the present invention to solve the technical problems is:
For an operating circuit for security control, comprising: power module, full-wave rectification block, driver module, electromagnet, motion control device, alert module, controlled device and monitoring loop module, the first combined switch, second switch;
Power module, in order to power to operating circuit;
First combined switch, described first combined switch is connected with power supply, has at least the first contact, the second contact, the 3rd contact, the 4th contact, the 5th contact and the 6th contact; Described first contact, the second contact, the 3rd contact is connected with alert module, the 4th contact, the 5th contact and the 6th contact and controlled device and monitoring module;
Second switch, described second switch input end is connected with power supply, and output terminal is connected with the first fuse;
Full-wave rectification block, described full-wave rectification block input end is connected with the first fuse, and output terminal is connected with electromagnet;
Driver module is connected with electromagnet output terminal, in order to control work of electromagnet;
Electromagnet, described electromagnet and the first diodes in parallel, be connected with driver module, controls the closed of the first combined switch, controls alert module and controlled device and monitoring module;
Motion control device, is coupled with electromagnet, electromagnet energy action control device, and described motion control device is connected with described first combined switch contact;
Alert module, has the first warning device circuit, the second warning device circuit, and described warning device circuit is in order to display circuit open and-shut mode.
Further, described full-wave rectification block also comprises the first bridge rectifier diode, described first bridge rectifier diode and the second electric capacity and the 3rd capacitances in series, described second electric capacity, the 3rd electric capacity and the first Capacitance parallel connection; Described first electric capacity output terminal is connected with the second electric capacity input end; Described first bridge rectifier diode also with the 4th electric capacity, the 5th electric capacity connect, described 4th electric capacity and the 5th Capacitance parallel connection.
Further, described driver module comprises the first triode and the second triode, and described first transistor collector is connected with electromagnet, and described first transistor base is connected with the 5th resistance the direct current accessing described full-wave rectification block and export; The emitter of described first triode is connected with the collector of the second triode, described second triode base electrode and the 6th resistance, second diode and the second fuse are connected serially to power supply, described second triode be connected the 6th capacity earth between resistance, described 6th resistance be connected the 7th capacity earth between the second diode, described second transistor output ground connection.
Further, described first warning device circuit comprises the first resistance and the second resistance, described first resistance and the second resistant series, and is connected with the second bridge rectifier diode, described first warning device is in parallel with the second bridge rectifier diode, and described first warning device can be LED.
Further, described second acknowledge circuit comprises the 3rd resistance and the 4th resistance, described 3rd resistance and the 4th resistant series, and is connected with the 3rd bridge rectifier diode, described second warning device is in parallel with the 3rd bridge rectifier diode, and described second warning device can be LED.
Further, the first warning device Show Color and the second warning device Show Color non-homochromy.
The present invention also provides a kind of safety control, has the operating circuit for security control.
The present invention also provides a kind of safety control system, has a kind of safety control.
Have employed above-mentioned technical scheme, operating circuit for security control provided by the invention, system and device are compared with prior art, there is following advantage and good effect: the operating circuit of security control provided by the invention can solve current safety door latch circuit complexity, manufacturing cost is high, the shortcoming of not easily producing, and reaches and makes safety door latch circuit simple, cheap for manufacturing cost, be easy to the effect of producing.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention
Fig. 2 is module map of the present invention
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read content of the present invention, these equivalent form of values fall within the application's appended claims limited range equally.
The present invention relates to a kind of operating circuit for safety door latch, as shown in Figure 2:
Comprise: power module, full-wave rectification block, driver module, electromagnet, motion control device, alert module, controlled device and monitoring loop module, the first combined switch, second switch;
As shown in Figure 1:
Power module (P1), in order to power to operating circuit.
First combined switch (S1), described first combined switch is connected with power supply (P1), has at least the first contact, the second contact, the 3rd contact, the 4th contact, the 5th contact and the 6th contact; Described first contact, the second contact, the 3rd contact is connected with alert module, the 4th contact, the 5th contact and the 6th contact and controlled device and monitoring module;
Second switch (S2), described second switch input end is connected with power supply, and output terminal is connected with the first fuse (F1).
Full-wave rectification block, described full-wave rectification block input end is connected with the first fuse (F1), and output terminal is connected with electromagnet (P2).
Driver module is connected with electromagnet (P2) output terminal, in order to control work of electromagnet.
Electromagnet (P2), described electromagnet is in parallel with the first diode (D1), is connected with driver module, controls the closed of the first combined switch (S1), and then controls alert module and external controlled device.
Alert module, has the first warning device circuit, and the second warning device circuit, described alert module is in order to display circuit open and-shut mode.
Further, described full-wave rectifying circuit also comprises the first bridge rectifier diode (B1), described first bridge rectifier diode (B1) is connected with the second electric capacity (C2) and the 3rd electric capacity (C3), described second electric capacity (C2), the 3rd electric capacity (C3) is in parallel with the first electric capacity (C1); Described first electric capacity (C1) output terminal is connected with the second electric capacity (C2) input end; Described first bridge rectifier diode (B1) also with the 4th electric capacity (C4), the 5th electric capacity (C5) connect, described 4th electric capacity (C4) is in parallel with the 5th electric capacity (C5).
Further, described driver module comprises the first triode (Q1) and the second triode (Q2), described first triode input end (Q1) is connected with electromagnet (P2), and described first triode (Q1) is connected with the 5th resistance (R12) direct current accessing described full-wave rectification block and export; The emitter of described first triode (Q1) is connected with the collector terminal of the second triode (Q2), described second triode (Q2) base electrode and the 6th resistance (R7), second diode (D2) and the second fuse (F3) are connected serially to power supply, the 6th electric capacity (C13) ground connection is connected between described second triode (Q2) with the 6th resistance (R7), described 6th resistance (R7) be connected the 7th electric capacity (C7) ground connection between the second diode (D2), described second triode (Q2) output head grounding.
Further, described first warning device circuit comprises the first resistance (R1) and the second resistance (R2), described first resistance (R1) and the second resistance (R2) series connection, and be connected with the second bridge rectifier diode (B3), described first warning device is in parallel with the second bridge rectifier diode (B3), and described first warning device (D5) can be LED.
Further, described second acknowledge circuit comprises the 3rd resistance (R5) and the 4th resistance (R6), described 3rd resistance (R5) and the series connection of the 4th resistance (R6), and be connected with the 3rd bridge rectifier diode (B2), described second warning device is in parallel with the 3rd bridge rectifier diode (B2), and described second warning device can be LED.
Further, the first warning device Show Color and the second warning device Show Color non-homochromy.
In one embodiment, when second switch (S2) disconnects, the first combined switch (S1) first contact and the second contact conducting, connect the first warning device (D5), in the present embodiment, the first warning device (D5) is red LED lamp, when red.
When second switch (S2) closes, power supply (P1) powers on, from 1 and 5 pin accesses of P1 joint, through the first fuse (F1), first full-wave rectification bridge (B1), first electric capacity (C1), the second electric capacity (C2) and the 3rd electric capacity (C3).Go out by the first full-wave rectification bridge (B1) full-wave rectification anode 2 pin that direct current A2 gives electromagnet (P2) to enter; flow out from 1 pin; flow into the collector of the first triode (Q1), wherein the first diode (D1) is used for protection first triode (Q1).The direct current A2 that full-wave rectifying circuit flows out also flows into the base electrode of the first triode (Q1) by the 5th resistance (R12), the first triode ON flows into the second triode (Q2).The P1-4 of power supply (P1) is high level, through the second fuse (F3), second diode (D2), 7th electric capacity (C7), 6th resistance (R7), the base stage of the second triode (Q2) is given after 6th electric capacity (C13), second triode (Q2) just conducting, the high level of collector is dragged down, electromagnet (P2) energising produces magnetic field, act on a motion control device, motion control control device drives the first combined switch (S1) to realize the second contact and the 3rd contact and conducts, and then conducting second warning device (D6), in the present embodiment, second warning device (D6) is green LED lamp, green light.
The invention provides the first combined switch (S1), also comprise the 4th contact, the 5th contact and the 6th contact, the 6th contact connects outside controlled device and is connected with monitoring loop.When second switch S2 disconnects, the first combined switch (S1) first contact and the second contacting, the first warning device (D5) shows, and in the present embodiment, the first warning device (D5) is red LED lamp, and lamp is bright.4th contact is connected with the 5th contact, is external to controlled device and monitoring loop, in the present embodiment, controlled device can be the hazardous device of big current or large voltage, as self-reacting device equipment, self-reacting device equipment normally works, and the safety door latch applying this operating circuit closes.When second switch (S2) closes, circuit turn-on, electromagnet action control device, thus drive the second contact and the 3rd contacting of the first combined switch, second warning device LED is bright, 5th contact and the 6th contacting, self-reacting device device powers down is out of service, and the safety door latch applying this operating circuit can be opened.
In a preferred embodiment, the present invention also provides a kind of safety control, has the operating circuit for security control.
In a preferred embodiment, the present invention also provides a kind of safety control system, has a kind of safety control.
Be not difficult to find, operating circuit for safety door latch of the present invention controls driving circuit by second switch S2, and then control electromagnet and drive the effect of motion control device the first combined switch to control acknowledge circuit and external controlled device and monitoring loop, reach the object of security control, and it is simple to achieve circuit, be easy to produce and object with low cost.
Should be understood that, the foregoing is only better embodiment of the present invention, not in order to limit the scope of the invention.For those of ordinary skills, any amendment done according to the above description, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. for an operating circuit for security control, comprising: power module, full-wave rectification block, driver module, electromagnet, motion control device, alert module, controlled device and monitoring loop module, the first combined switch, second switch;
Power module, in order to power to operating circuit;
First combined switch, described first combined switch is connected with power supply, has at least the first contact, the second contact, the 3rd contact, the 4th contact, the 5th contact and the 6th contact; Described first contact, the second contact, the 3rd contact is connected with alert module, the 4th contact, the 5th contact and the 6th contact and controlled device and monitoring module;
Second switch, described second switch input end is connected with power supply, and output terminal is connected with the first fuse;
Full-wave rectification block, described full-wave rectification block input end is connected with the first fuse, and output terminal is connected with electromagnet;
Driver module is connected with electromagnet output terminal, in order to control work of electromagnet;
Electromagnet, described electromagnet and the first diodes in parallel, be connected with driver module, controls the closed of the first combined switch, controls alert module and controlled device and monitoring module;
Motion control device, is coupled with electromagnet, electromagnet energy action control device, and described motion control device is connected with described first combined switch contact;
Alert module, has the first warning device circuit, the second warning device circuit, and described warning device circuit is in order to display circuit open and-shut mode.
2. a kind of operating circuit for security control according to claim 1, it is characterized in that: described full-wave rectification block also comprises the first bridge rectifier diode, described first bridge rectifier diode and the second electric capacity and the 3rd capacitances in series, described second electric capacity, the 3rd electric capacity and the first Capacitance parallel connection; Described first electric capacity output terminal is connected with the second electric capacity input end; Described first bridge rectifier diode also with the 4th electric capacity, the 5th electric capacity connect, described 4th electric capacity and the 5th Capacitance parallel connection.
3. a kind of operating circuit for security control according to claim 1, it is characterized in that: described driver module comprises the first triode and the second triode, described first transistor collector is connected with electromagnet, and described first transistor base is connected with the 5th resistance the direct current accessing described full-wave rectification block and export; The emitter of described first triode is connected with the collector of the second triode, described second triode base electrode and the 6th resistance, second diode and the second fuse are connected serially to power supply, described second triode be connected the 6th capacity earth between resistance, described 6th resistance be connected the 7th capacity earth between the second diode, described second transistor output ground connection.
4. a kind of operating circuit for security control according to claim 1, it is characterized in that: described first warning device circuit comprises the first resistance and the second resistance, described first resistance and the second resistant series, and be connected with the second bridge rectifier diode, described first warning device is in parallel with the second bridge rectifier diode, and described first warning device can be LED.
5. a kind of operating circuit for security control according to claim 1, it is characterized in that: described second acknowledge circuit comprises the 3rd resistance and the 4th resistance, described 3rd resistance and the 4th resistant series, and be connected with the 3rd bridge rectifier diode, described second warning device is in parallel with the 3rd bridge rectifier diode, and described second warning device can be LED.
6. a kind of operating circuit for security control required by claim 4 or 5, is characterized in that: the first warning device Show Color and the second warning device Show Color non-homochromy.
7. a safety control, is characterized in that: have the operating circuit for security control according to claim 1.
8. a safety control system, is characterized in that:
There is a kind of safety control according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310549366.XA CN104597774A (en) | 2013-10-30 | 2013-10-30 | Working circuit, system and device used for safety control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310549366.XA CN104597774A (en) | 2013-10-30 | 2013-10-30 | Working circuit, system and device used for safety control |
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| Publication Number | Publication Date |
|---|---|
| CN104597774A true CN104597774A (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310549366.XA Pending CN104597774A (en) | 2013-10-30 | 2013-10-30 | Working circuit, system and device used for safety control |
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| CN (1) | CN104597774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597775A (en) * | 2013-10-30 | 2015-05-06 | 上海球栅测量系统有限公司 | Working circuit used for safety control |
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| US4110809A (en) * | 1976-12-30 | 1978-08-29 | Lockheed Aircraft Corporation | Solid state power controller with low level signal control |
| CN200981764Y (en) * | 2006-12-15 | 2007-11-28 | 宁波大发化纤有限公司 | Sideslipping-proof emergency braking device for cotton clipping machine conveyer belt |
| CN201199682Y (en) * | 2008-01-03 | 2009-02-25 | 杭州经纬电子机械制造有限公司 | Safety voltage control circuit for sticking mixing embroidery machine jerk switch |
| CN201499115U (en) * | 2009-10-09 | 2010-06-02 | 刘忠信 | Safety switch device for control cabinet of oil pumping machine |
| CN104597775A (en) * | 2013-10-30 | 2015-05-06 | 上海球栅测量系统有限公司 | Working circuit used for safety control |
-
2013
- 2013-10-30 CN CN201310549366.XA patent/CN104597774A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110809A (en) * | 1976-12-30 | 1978-08-29 | Lockheed Aircraft Corporation | Solid state power controller with low level signal control |
| CN200981764Y (en) * | 2006-12-15 | 2007-11-28 | 宁波大发化纤有限公司 | Sideslipping-proof emergency braking device for cotton clipping machine conveyer belt |
| CN201199682Y (en) * | 2008-01-03 | 2009-02-25 | 杭州经纬电子机械制造有限公司 | Safety voltage control circuit for sticking mixing embroidery machine jerk switch |
| CN201499115U (en) * | 2009-10-09 | 2010-06-02 | 刘忠信 | Safety switch device for control cabinet of oil pumping machine |
| CN104597775A (en) * | 2013-10-30 | 2015-05-06 | 上海球栅测量系统有限公司 | Working circuit used for safety control |
Non-Patent Citations (1)
| Title |
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| 马鸿章等: "《盒式录象机基本原理及故障分析》", 31 August 1987 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597775A (en) * | 2013-10-30 | 2015-05-06 | 上海球栅测量系统有限公司 | Working circuit used for safety control |
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Application publication date: 20150506 |