CN205648089U - Novel area protection pushes away control circuit of system switch - Google Patents
Novel area protection pushes away control circuit of system switch Download PDFInfo
- Publication number
- CN205648089U CN205648089U CN201620315022.1U CN201620315022U CN205648089U CN 205648089 U CN205648089 U CN 205648089U CN 201620315022 U CN201620315022 U CN 201620315022U CN 205648089 U CN205648089 U CN 205648089U
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- switch
- audion
- control circuit
- pushing
- resistance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a novel area protection pushes away control circuit of system switch, including drive module, with the power supply input terminal that drive module is connected through electrically conductive cable, its characterized in that: drive module with still be equipped with the system that pushes away ON -OFF control circuit between the power supply input terminal, pushing away keep off that system ON -OFF control circuit includes that the input is connected with power supply input terminal more and pushing away the system switch, the connection is in just the same power supply drive circuit of structure is made between a switch list output pin and the drive module output with being connected respectively to push away at many fenders more to the drive supply control circuit that keep off the system that pushes away switch input end and output. The utility model has the advantages of simple structure, the stability in use is good, has effectively solved the small -size system switch overcurrent that pushes away and has waited inadequately with generating heat, greatly reduced the power consumption that causes because of generating heat of switch work to improved the life of switch to a certain extent, the suitability is strong and the practicality is good.
Description
Technical field
This utility model relates to small-sized pushing switching technique field, particularly to the control circuit of Novel belt protection pushing switch.
Background technology
Constantly bringing forth new ideas and developing along with LED emergency luminaire, the brightness requirement of LED emergency luminaire is continuously increased by user, and LED emergency luminaire also tends to miniaturization, limited space, is limited by structure space, therefore switchs the most more with the least, if the big switch of electric current generates heat, there is power attenuation, the service life of switch also will shorten, then the brightness of LED emergency luminaire cannot get a promotion.
Utility model content
Main purpose of the present utility model is to provide the control circuit of a kind of Novel belt protection pushing switch, it is intended to solve the small-sized pushing switch deficiency such as super-high-current and heating.
The utility model proposes the control circuit of a kind of Novel belt protection pushing switch, including driving module, the energization input being connected by conductive cable with described driving module, it is additionally provided with pushing ON-OFF control circuit between described driving module and described energization input, described pushing ON-OFF control circuit includes many gears pushing switch that input is connected with energization input, it is connected to driving power-supplying circuit and being connected to the powered drive circuit keeping off between the pushing single output pin of switch and driving module outfan and structure is identical more of described many gear pushing switch input terminals and outfan.
Described driving power-supplying circuit includes the first resistance, the second resistance, Zener diode and the first audion, the input of described pushing switch is connected by the emitter stage of the first resistance and the first audion, the outfan basic point pin that the colelctor electrode of described first audion switchs with described pushing is connected, the base stage of described first audion passes through Zener diode ground connection, and described second resistance is connected between base stage and the emitter stage of described first audion.
Described powered drive circuit includes the 3rd resistance, the 4th resistance, the second audion and electric capacity, the output pin of described pushing switch is connected in the base stage of described second audion by the 3rd resistance, the colelctor electrode of described second audion is connected to the outfan of described driving module, the grounded emitter of described second audion, is connected to after described 4th resistance is in parallel with electric capacity between base stage and the ground of the second audion.
Described first audion is PNP type triode, and described second audion is NPN type triode.
Described pushing switch is three position switch, four position switch or five position switch.
Simple in construction of the present utility model, stability in use are good, efficiently solve the small-sized pushing switch deficiency such as super-high-current and heating, greatly reducing the power attenuation that switch causes because of heating, thus improve the service life of switch to a certain extent, the suitability is strong and practicality good.
Accompanying drawing explanation
Fig. 1 is embodiment schematic diagram of the present utility model.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
With reference to Fig. 1, propose an embodiment of the present utility model, illustrate on the basis of the present embodiment uses three position switch.
A kind of control circuit of Novel belt protection pushing switch, including driving module 1, the energization input 2 being connected by conductive cable with described driving module 1, it is additionally provided with pushing ON-OFF control circuit 3 between described driving module 1 and described energization input 2, described pushing ON-OFF control circuit 3 includes many gears pushing switch SW1 that input is connected with energization input 2, it is connected to driving power-supplying circuit 31 and being connected to the powered drive circuit 32 keeping off between the pushing switch single output pin of SW1 and driving module 1 outfan and structure is identical more of described many gear pushing switch SW1 inputs and outfan.
Described driving power-supplying circuit 31 includes the first resistance R1, the second resistance R2, Zener diode Z1 and the first audion Q1, the input of described pushing switch SW1 is connected by the emitter stage of the first resistance R1 and the first audion Q1, the colelctor electrode of described first audion Q1 is connected with the outfan basic point pin of described pushing switch SW1, the base stage of described first audion Q1 passes through Zener diode Z1 ground connection, and described second resistance R2 is connected between base stage and the emitter stage of described first audion Q1.
Described powered drive circuit 32 includes the 3rd resistance R3, the 4th resistance R4, the second audion Q2 and electric capacity C, the output pin of described pushing switch SW1 is connected in the base stage of described second audion Q2 by the 3rd resistance R3, the colelctor electrode of described second audion Q2 is connected to the outfan of described driving module 1, the grounded emitter of described second audion Q2, is connected to after described 4th resistance R4 is in parallel with electric capacity C between base stage and the ground of the second audion Q2.
Described first audion is PNP type triode, and described second audion is NPN type triode.
Described pushing switch is three position switch, four position switch or five position switch.
nullIts operation principle is summarized as follows: understand for convenience，Illustrate on the basis of the present embodiment uses three position switch，When energization input power supply mode is the full electricity of battery，Now stir pushing switch SW1 to H+,Electric current is through R1,R2,Z1 makes Q1 turn on，Electric current is through R3 simultaneously,R4 makes Q2 turn on，Power for drive part，The biggest electric current flows to drive part through A point，The electric current flow through on SW1 is the least，Reach the effect of the big electric current of Small current control，With when should stir pushing switch SW1 to L-,Electric current is through R1,R2,Z1 makes Q1 turn on，Electric current is through R5 simultaneously,R6 makes Q3 turn on，Power for drive part，When VCC end power supply mode battery electric quantity deficiency，Q1 is PNP type triode，Again because of Z1，No matter stir pushing switch SW1 to H+ and L-,Q1 is all without conducting，The value of Z1 can be chosen according to the battery of oneself minimum electric quantity protective voltage during design，Q1 is made to end，Reach protective effect.
Simple in construction of the present utility model, stability in use are good, efficiently solve the small-sized pushing switch deficiency such as super-high-current and heating, greatly reducing the power attenuation that switch causes because of heating, thus improve the service life of switch to a certain extent, the suitability is strong and practicality good.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing this utility model description and accompanying drawing content to be made; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (5)
1. the control circuit of a Novel belt protection pushing switch, including driving module, the energization input being connected by conductive cable with described driving module, it is characterized in that: between described driving module and described energization input, be additionally provided with pushing ON-OFF control circuit, described pushing ON-OFF control circuit includes many gears pushing switch that input is connected with energization input, it is connected to driving power-supplying circuit and being connected to the powered drive circuit keeping off between the pushing single output pin of switch and driving module outfan and structure is identical more of described many gear pushing switch input terminals and outfan.
The control circuit of Novel belt the most according to claim 1 protection pushing switch; it is characterized in that: described driving power-supplying circuit includes the first resistance, the second resistance, Zener diode and the first audion; the input of described pushing switch is connected by the emitter stage of the first resistance and the first audion; the outfan basic point pin that the colelctor electrode of described first audion switchs with described pushing is connected; the base stage of described first audion passes through Zener diode ground connection, and described second resistance is connected between base stage and the emitter stage of described first audion.
The control circuit of Novel belt the most according to claim 2 protection pushing switch; it is characterized in that: described powered drive circuit includes the 3rd resistance, the 4th resistance, the second audion and electric capacity; the output pin of described pushing switch is connected in the base stage of described second audion by the 3rd resistance; the colelctor electrode of described second audion is connected to the outfan of described driving module; the grounded emitter of described second audion, is connected to after described 4th resistance is in parallel with electric capacity between base stage and the ground of the second audion.
The control circuit of Novel belt the most according to claim 3 protection pushing switch, it is characterised in that: described first audion is PNP type triode, and described second audion is NPN type triode.
The control circuit of Novel belt the most according to claim 4 protection pushing switch, it is characterised in that: described pushing switch is three position switch, four position switch or five position switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620315022.1U CN205648089U (en) | 2016-04-15 | 2016-04-15 | Novel area protection pushes away control circuit of system switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620315022.1U CN205648089U (en) | 2016-04-15 | 2016-04-15 | Novel area protection pushes away control circuit of system switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205648089U true CN205648089U (en) | 2016-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620315022.1U Active CN205648089U (en) | 2016-04-15 | 2016-04-15 | Novel area protection pushes away control circuit of system switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205648089U (en) |
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2016
- 2016-04-15 CN CN201620315022.1U patent/CN205648089U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |