CN2143266Y - Electronic automatic delay switch - Google Patents
Electronic automatic delay switch Download PDFInfo
- Publication number
- CN2143266Y CN2143266Y CN 92235709 CN92235709U CN2143266Y CN 2143266 Y CN2143266 Y CN 2143266Y CN 92235709 CN92235709 CN 92235709 CN 92235709 U CN92235709 U CN 92235709U CN 2143266 Y CN2143266 Y CN 2143266Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- delay switch
- utility
- capacitor
- model
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 13
- 239000010703 silicon Substances 0.000 claims abstract description 13
- 238000005253 cladding Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000010985 leather Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- Keying Circuit Devices (AREA)
Abstract
An electronic automatic delay switch relates to the improvement of a delay switch structure. The utility model discloses be provided with the circuit board on the casing, set up delay switch circuit on the circuit board, rectifier circuit links to each other with the silicon controlled rectifier promptly, and electrolytic capacitor connects in parallel has normally open switch, and the silicon controlled rectifier is provided with clamp circuit with between the electric capacity. The utility model has the characteristics of small, longe-lived, simple manufacture etc.
Description
The utility model relates to the improvement of delay switch structure.
The main member of the delay switch of existing air type is that leather bag, shell fragment etc. are formed, but leather bag is a rubber product, and therefore easily aging, damage often cause the switch misoperation, even can not work; Be that volume is bigger again, unfavorable interior decoration.
The purpose of this utility model is exactly at the problems referred to above, and the electronic type Auto-delay switch that a kind of volume is little, the life-span is long is provided.
The purpose of this utility model is to realize like this, the utility model comprises housing, button, rectification circuit, be exactly that circuit board is set on the housing, delay switch circuit is set on the circuit board, be that rectification circuit links to each other with controllable silicon, electric capacity is parallel with normal open switch, and controllable silicon is realized above-mentioned purpose of the present utility model with being provided with cladding circuit between the electric capacity with this.
Major advantage of the present utility model:
1, volume is little, the life-span is long:
The utility model has adopted the electronic circuit switch to replace the mechanical switch of air type, so volume is little; Be that electronic component is not fragile again, so the life-span is long;
2, make simply:
Mechanical parts of the present utility model simply lacks, the electronic component buyable, and this product groundwork amount is assembling, therefore also is easy to make.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is circuit theory diagrams of the present utility model.
Below in conjunction with accompanying drawing concrete structure of the present utility model is further described:
The utility model comprises housing 1, button 2, rectification circuit 4, circuit board 3 is set on housing 1 exactly, on the circuit board 3 delay switch circuit is set, promptly rectification circuit 4 links to each other with controllable silicon G, capacitor C is parallel with normal open switch KA, and controllable silicon G is with being provided with cladding circuit 5 between the capacitor C.
Cladding circuit 5 can be by triode BG, diode D
1, D
2, D
3Form; Be the convenient delay time of adjusting, cladding circuit 5 is parallel with K switch, to change the number of diode, reaches time-delay.Between rectification circuit 4 and controllable silicon G, light emitting diode D can be set, with the on off state of display power supply.Rectification circuit 4 can be bridge rectifier.Capacitor C can be electrochemical capacitor.
The following describes a course of action of this device: when electric current flows into rectification circuit 4 through load, can obtain the 220V VDC at this moment, a road of electric current is lighted light emitting diode D, and another road is through R
4Make the capacitor C charging, after the voltage at the two ends of capacitor C reaches clamp voltage, triode BG makes and enters saturation state, at this moment, the potential drop of the triggering control utmost point of controllable silicon G is most zero, controllable silicon G enters off state, after pressing K switch A, capacitor C makes the voltage at capacitor C two ends descend through K switch A discharge, triode BG is ended by saturated becoming, this moment, controllable silicon G obtained a trigger voltage, and made it conducting, and load is lighted, after having only voltage when the capacitor C two ends to rise to the numerical value that circuit sets once more, lamp just extinguishes.
Claims (5)
1, the electronic type Auto-delay switch comprises housing 1, button 2, rectification circuit 4, it is characterized in that on housing 1, being provided with circuit board 3, delay switch circuit is set on the circuit board, be that rectification circuit 4 links to each other with controllable silicon G, capacitor C is parallel with normal open switch KA, and controllable silicon G is with being provided with cladding circuit 5 between the capacitor C.
2, electronic type Auto-delay switch according to claim 1 is characterized in that cladding circuit 5 is by triode BG, diode D
1, D
2, D
3Form.
3, electronic type Auto-delay switch according to claim 3 is characterized in that cladding circuit 5 is parallel with K switch.
4, electronic type Auto-delay switch according to claim 1 is characterized in that between rectification circuit 4 and controllable silicon G light emitting diode D being set.
5, electronic type Auto-delay switch according to claim 1 is characterized in that capacitor C is an electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92235709 CN2143266Y (en) | 1992-09-29 | 1992-09-29 | Electronic automatic delay switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92235709 CN2143266Y (en) | 1992-09-29 | 1992-09-29 | Electronic automatic delay switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2143266Y true CN2143266Y (en) | 1993-10-06 |
Family
ID=33777423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92235709 Expired - Fee Related CN2143266Y (en) | 1992-09-29 | 1992-09-29 | Electronic automatic delay switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2143266Y (en) |
-
1992
- 1992-09-29 CN CN 92235709 patent/CN2143266Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |