CN201993607U - Control circuit of electrical switch - Google Patents
Control circuit of electrical switch Download PDFInfo
- Publication number
- CN201993607U CN201993607U CN2011200032076U CN201120003207U CN201993607U CN 201993607 U CN201993607 U CN 201993607U CN 2011200032076 U CN2011200032076 U CN 2011200032076U CN 201120003207 U CN201120003207 U CN 201120003207U CN 201993607 U CN201993607 U CN 201993607U
- Authority
- CN
- China
- Prior art keywords
- relay
- diode
- control end
- power supply
- connects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Direct Current Feeding And Distribution (AREA)
- Power Sources (AREA)
Abstract
The utility model relates to a control circuit of an electrical switch of equipment and discloses a control circuit of an electrical switch. The control circuit of the electrical switch comprises a relay circuit, a singlechip circuit, a first power supply and a second power supply, wherein the relay circuit comprises a first relay, a second relay, a third relay, a first diode, a second diode, a third diode, a fourth diode and a fifth diode; and the singlechip circuit comprises a power converter and a singlechip. The control circuit integrating switch-on for supplying power, power-on self protecting and autonomous switch-off can achieve functions of the power supplying conversion, power-on self protecting and autonomous switch-off, has low manufacturing cost, high reliability and good using effects, is easy to set up and can improve operational safety and working efficiency.
Description
Technical field
The utility model relates to equipment electric switch control circuit, is mainly used in the connection power supply of realization equipment, the self-insurance that powers on, the autonomous control function of cutting off the power supply.
Background technology
At present, the function that powers on/off that electric operation all needs manual operation switch realization self is changeed in powering on of most of opertaing devices, and a lot of equipment do not possess self and cut off the function of self powering.It is very dangerous to carry out manual power operation for the opertaing device of some high-voltage large current, and some equipment might can't be realized manual operation.
Summary of the invention
The purpose of this utility model is: overcome the deficiency that prior art exists, a kind of electric switch control circuit is provided, by this control circuit, when connecting the commentaries on classics electric control signal, can realize easily that control circuit changes the electricity operation, connect external power source and input to first power input, for single-chip microcomputer and opertaing device itself provide power supply; Self-insurance outage control end is put low level 0V, and when changeing electric control instruction existence or cancellation, itself can realize the self-insurance of powering the control circuit power supply; When self-insurance outage control end is put high level 5V, realize self cutting off the electricity supply by the instruction of single-chip microcomputer IO output high level.
For solving the problems of the technologies described above, the utility model provides a kind of electric switch control circuit, comprises relay circuit and single chip circuit, it is characterized in that, also comprises first power supply, second source,
Described relay circuit comprises first relay, second relay, the 3rd relay, first diode, second diode, the 3rd diode, the 4th diode and the 5th diode,
First relay and second relay have two groups of contacts, the 3rd relay has one group of contact, first relay, second relay, two groups of contact common ports separately link to each other, first relay, second relay, two groups of normally opened contacts separately link to each other, the public termination external power source of first relay, after two groups of normally opened contacts of first relay connect, the two groups of common ports that linked to each other with second relay again and the common port of the 3rd relay are connected respectively, after two groups of normally opened contacts of second relay link to each other, the control end that connects the 3rd relay again connects, the first control termination second source of second relay, single-chip microcomputer in the second control end order sheet machine circuit of second relay, the power supply ground of the second control termination, first power input of second control end of first relay and second relay, the power supply changeover device of the normally closed contact order sheet machine circuit of the 3rd relay;
The positive pole of first diode connects the normally closed contact of the 3rd relay, and the negative pole of first diode connects first control end of first relay; The positive pole of second diode connects second control end of first relay, and the negative pole of second diode connects first control end of first relay; The positive pole of the 3rd diode connects the outside electric control signal that changes, and the negative pole of the 3rd diode connects first control end of first relay; The positive pole of the 4th diode connects second control end of the 3rd relay, and the negative pole of the 4th diode connects first control end of the 3rd relay; The positive pole of the 5th diode connects the normally opened contact of the 3rd relay, and the negative pole of the 5th diode connects first control end of the 3rd relay;
Described single chip circuit comprises power supply changeover device and single-chip microcomputer, and it is described single-chip microcomputer power supply that the power supply converter of described single chip circuit is imported the described first power input changing voltage with power supply.
The beneficial effects of the utility model are:
The utility model provide a kind of and realize powering, the electric switch control circuit of self-insurance, power down function, this circuit can be realized the power supply conversion of opertaing device, the self-insurance that powers on, autonomous power down function.
2. the utility model can realize easily that control circuit changes the electricity operation when connect changeing electric control signal, and energized inputs to first power input, for single-chip microcomputer and opertaing device itself provide power supply; Self-insurance outage control end is put low level 0V, when changeing electric control instruction existence or cancellation, control circuit power supply itself is by first relay, second relay, the 3rd relay, and first diode, second diode, the 3rd diode, the 4th diode and the 5th diode can be realized the self-insurance of powering; When self-insurance outage control end, when promptly second control end of second relay is put high level 5V, realize self cutting off the electricity supply by the instruction of single-chip microcomputer IO output high level.
3. the utility model adopts relay control to change electricity, self-insurance and power down function, can utilize small-signal to control the operation of big electric current high-voltage power supply to autonomous cut-offing instruction control, thereby allow operating personnel away from opertaing device, and can realize the autonomous outage of opertaing device, improve processing safety and work efficiency.
The utility model provides a kind of and has collected power supply, self-insurance, outage and be controlled in electric switch control circuit all over the body, can realize the power supply conversion of opertaing device, self-insurance powers on, autonomous power down function, its low cost of manufacture, be easy to set up, can improve processing safety and work efficiency, the reliability height, result of use is good.
Description of drawings
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is further described in detail.
Fig. 1 is a circuit diagram of the present utility model.
Embodiment
The disclosed electric switch control circuit of the utility model comprises relay circuit, single chip circuit, first power supply, second source.Each building block and connected mode thereof to this control circuit is elaborated below:
Shown in the circuit diagram of the present utility model as shown in Figure 1, relay circuit comprises first relay K 1, second relay K 2, the 3rd relay K 3, the first diode V1, the second diode V2, the 3rd diode V3, the 4th diode V4 and the 5th diode V5.
First relay K 1 and second relay K 2 have two groups of contacts, and the 3rd relay K 3 has one group of contact.
Two groups of contact common ports of first relay K 1 link to each other, two groups of normally opened contacts of first relay K 1 link to each other, the public termination external power source PWRin of first relay K 1, after two groups of normally opened contacts of first relay K 1 connect, be connected respectively with the two groups of common ports of second relay K 2 and the common port of the 3rd relay again;
Two groups of contact common ports of second relay K 2 link to each other, two groups of normally opened contacts of second relay K 2 link to each other, after two groups of normally opened contacts of second relay K 2 link to each other, the control end that connects the 3rd relay K 3 again connects, the first control termination second source of second relay K 2,5V in promptly illustrating, the input/output port of single-chip microcomputer in the second control end order sheet machine circuit of second relay K 2
Second control end of first relay K 1 is connected the power supply ground of first power input with second control end of second relay K 2, i.e. 28VGND shown in the figure, the power supply changeover device of the normally closed contact order sheet machine circuit of the 3rd relay K 3.
The positive pole of the first diode V1 connects the normally closed contact of the 3rd relay K 3, and the negative pole of the first diode V1 connects first control end of first relay K 1; The positive pole of the second diode V2 connects second control end of first relay K 1, and the negative pole of the second diode V2 connects first control end of first relay K 1; The positive pole of the 3rd diode V3 connects the outside electric control signal that changes, i.e. ZDKZ signal shown in the figure, and the negative pole of the 3rd diode V3 connects first control end of first relay K 1; The positive pole of the 4th diode V4 connects second control end of the 3rd relay K 3, and the negative pole of the 4th diode V4 connects first control end of the 3rd relay K 3; The positive pole of the 5th diode V5 connects the normally opened contact of the 3rd relay K 3, and the negative pole of the 5th diode V5 connects first control end of the 3rd relay K 3.
Single chip circuit comprises power supply changeover device and single-chip microcomputer, and the power supply converter of single chip circuit is imported first power input with power supply, i.e. 28Vin shown in the figure, changing voltage are the single-chip microcomputer power supply.
Principle of work of the present utility model is: when connect changeing electric control signal, this control circuit realizes changeing the electricity operation, connects external power source, and promptly the PWRin shown in the figure inputs to first power input, for single-chip microcomputer and opertaing device itself provide power supply; Self-insurance outage control end, promptly second control end of second relay is put low level 0V, when changeing electric control instruction existence or cancellation, the control circuit power supply, be that external power source PWRin itself passes through first relay K 1, second relay K 2, the 3rd relay K 3, and the first diode V1, the second diode V2, the 3rd diode V3, the 4th diode V4 and the 5th diode V5 realize the power supply self-insurance; When self-insurance outage control end, when promptly second control end of second relay K 2 is put high level 5V, realize self cutting off the electricity supply by the instruction of single-chip microcomputer IO output high level.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (1)
1. an electric switch control circuit comprises relay circuit and single chip circuit, it is characterized in that, also comprises first power supply, second source,
Described relay circuit comprises first relay, second relay, the 3rd relay, first diode, second diode, the 3rd diode, the 4th diode and the 5th diode,
First relay and second relay comprise two groups of contacts, the 3rd relay comprises one group of contact, first relay, second relay, two groups of contact common ports separately link to each other, first relay, second relay, two groups of normally opened contacts separately link to each other, the public termination external power source of first relay, after two groups of normally opened contacts of first relay connect, the two groups of common ports that linked to each other with second relay again and the common port of the 3rd relay are connected respectively, after two groups of normally opened contacts of second relay link to each other, the control end that connects the 3rd relay again connects, the first control termination second source of second relay, the input/output port of single-chip microcomputer in the second control end order sheet machine circuit of second relay, the power supply ground of the second control termination, first power input of second control end of first relay and second relay, the power supply changeover device of the normally closed contact order sheet machine circuit of the 3rd relay;
The positive pole of first diode connects the normally closed contact of the 3rd relay, and the negative pole of first diode connects first control end of first relay; The positive pole of second diode connects second control end of first relay, and the negative pole of second diode connects first control end of first relay; The positive pole of the 3rd diode connects the outside electric control signal that changes, and the negative pole of the 3rd diode connects first control end of first relay; The positive pole of the 4th diode connects second control end of the 3rd relay, and the negative pole of the 4th diode connects first control end of the 3rd relay; The positive pole of the 5th diode connects the normally opened contact of the 3rd relay, and the negative pole of the 5th diode connects first control end of the 3rd relay;
Described single chip circuit comprises power supply changeover device and single-chip microcomputer, and it is described single-chip microcomputer power supply that the power supply converter of described single chip circuit is imported the described first power input changing voltage with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200032076U CN201993607U (en) | 2011-01-07 | 2011-01-07 | Control circuit of electrical switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200032076U CN201993607U (en) | 2011-01-07 | 2011-01-07 | Control circuit of electrical switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993607U true CN201993607U (en) | 2011-09-28 |
Family
ID=44670092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200032076U Expired - Fee Related CN201993607U (en) | 2011-01-07 | 2011-01-07 | Control circuit of electrical switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112786384A (en) * | 2021-02-04 | 2021-05-11 | 湖北三江航天红峰控制有限公司 | Missile-borne switching-off control device based on electromagnetic relay |
-
2011
- 2011-01-07 CN CN2011200032076U patent/CN201993607U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112786384A (en) * | 2021-02-04 | 2021-05-11 | 湖北三江航天红峰控制有限公司 | Missile-borne switching-off control device based on electromagnetic relay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103488159A (en) | Distribution box type smart home terminal and comprehensive protection controller | |
| CN106787129A (en) | A kind of power-supply management system for being automatically obtained main power supply switching | |
| CN102694414B (en) | Gapless automatic switching device for intelligent dual direct-current power supply | |
| CN201993607U (en) | Control circuit of electrical switch | |
| CN204305011U (en) | A kind of WiFi modular circuit | |
| CN204103816U (en) | Motor load change automatic control electricity-saving device | |
| CN202282640U (en) | Dual power supply automatic switching circuit | |
| CN206302207U (en) | A kind of power-supply management system for being automatically obtained main power supply switching | |
| CN205791781U (en) | Power-supply system automatic switch-over circuit | |
| CN104638757A (en) | Double-power-supply power supplying circuit of remote control intelligent gas meter | |
| CN205017039U (en) | Photovoltaic energy storage dc -to -ac converter auxiliary power supply system | |
| CN104659587A (en) | Bluetooth control power supply plug board | |
| CN203788529U (en) | Illumination centralized control system for large warehouses | |
| CN202979398U (en) | Emergency power supply circuit and lamp | |
| CN208028654U (en) | Based on green intelligent garden illumination management system | |
| CN206353718U (en) | Dual power supply controls circuit | |
| CN201523423U (en) | Novel backup power supply device | |
| CN202721491U (en) | Intelligent double direct current power supply seamless automatic switching device | |
| CN203733022U (en) | Current output module | |
| CN202475025U (en) | Novel on-off linkage intelligent electricity meter | |
| CN202906569U (en) | Internal and external power-supply switching circuit for electric energy meter | |
| CN202276189U (en) | Control power supply dual-channel power supplying device for high voltage inverter | |
| CN205945006U (en) | Over -current protective control circuit | |
| CN203984263U (en) | Rectification commutation circuit | |
| CN202502387U (en) | Four-way switching quantity input device based on bus control mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUBEI SANJIANG AEROSPACE HONGFENG CONTROL CO., LTD Free format text: FORMER NAME: STATE HONGFENG MACHINERY FACTORY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 432000 Hubei city of Xiaogan province Beijing Road No. 8 gate Patentee after: Hubei Sanjiang Aerospace Hongfeng Control Co., Ltd. Address before: 432000 Hubei city of Xiaogan province Beijing Road No. 8 gate Patentee before: State Hongfeng Machinery Factory |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20160107 |