CN202586916U - Electronic switching circuit for load detection - Google Patents
Electronic switching circuit for load detection Download PDFInfo
- Publication number
- CN202586916U CN202586916U CN 201220081955 CN201220081955U CN202586916U CN 202586916 U CN202586916 U CN 202586916U CN 201220081955 CN201220081955 CN 201220081955 CN 201220081955 U CN201220081955 U CN 201220081955U CN 202586916 U CN202586916 U CN 202586916U
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- diode
- switch element
- processing unit
- electrically connect
- electronic switching
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Abstract
The utility model discloses an electronic switching circuit for load detection. The electronic switching circuit comprises a switch element, a detection circuit unit and a processing unit, two ends of the switch element is electrically connected to an external circuit, the detection circuit unit and the switch element are arranged to be parallelly connected, an input end of the processing unit is electrically connected with an output end of the detection circuit unit, and an output end of the processing unit is electrically connected with the switch element. In the electronic switching circuit for load detection of the utility model, the switch element and the detection circuit unit are arranged to be parallelly connected, the detection circuit unit is used to send a level signal to the processing unit, thereby controlling the switch element, detecting whether a load exists, and avoiding the increase of static power consumption.
Description
Technical field
The utility model relates to a kind of electronic switch, especially relates to a kind of load detecting electronic switching circuit.
Background technology
In intelligent home control system; Under the supply power mode needs zero of domestic electric appliances controller (like lamp dimmer), the situation of live wire; Newly-decorated user can address this problem through wiring, but for the user who has fitted up, has only a live wire to arrive controller; The user can't normally use controller, so single live wire switch is developed under this defective.
Single-fire-wire electronic switch on the existing market, mainly adopt controllable silicon or relay as the limit switch element to drive the opening and closing of load, only limit to switching function, each the road branch live wire that can not discern output automatically has or not and connects the light fixture load.As user during non-loaded one tunnel switch opens; Electronic switch can think that this switching circuit has the load of normal access light fixture, and mistake is closed the limit switch element, thereby strengthens the quiescent dissipation of product; Cause the light fixture flicker of low wattage, even can influence the operation of product short time.
Summary of the invention
The utility model is that to provide a kind of detection to have to the defective that above-mentioned background technology exists non-loaded, avoids increasing the load detecting electronic switching circuit of quiescent dissipation.
For realizing above-mentioned purpose; The utility model discloses a kind of load detecting electronic switching circuit; It comprises switch element, testing circuit unit and processing unit, and said switch element two ends electrically connect external circuit, the parallelly connected setting with said switch element in said testing circuit unit; Said processing unit input and said testing circuit unit output electrically connect, and said processing unit output and said switch element electrically connect.
Further; Said testing circuit unit comprises resistance, first diode, second diode and the 3rd diode; Said resistance one end and said switch element one end electrically connect; The said resistance other end and said the 3rd diode cathode electrically connect, and said the 3rd diode anode and the said switch element other end electrically connect, and said first diode anode and second diode anode are electrically connected at respectively between said resistance and the 3rd diode; First output of the corresponding said testing circuit of said first diode cathode unit, second output of the corresponding said testing circuit of said second diode cathode unit.
Further, said first diode cathode and said processing unit signal input part electrically connect, and said second diode cathode and said processing unit power input electrically connect.
In sum; The utility model load detecting electronic switching circuit utilizes testing circuit unit transmission level signal to give processing unit through with the parallelly connected setting with the testing circuit unit of switch element, further switch element is controlled; Detection has non-loaded, avoids increasing quiescent dissipation.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
For further understanding characteristic, technological means and the specific purposes that reached, the function of the utility model, the utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, the utility model load detecting electronic switching circuit comprises switch element 10, testing circuit unit 20 and processing unit 30, and said switch element 10 two ends electrically connect external circuit 40.
Said testing circuit unit 20 and said switch element 10 parallelly connected settings; Said testing circuit unit 20 comprises resistance R, the first diode D1, the second diode D2 and the 3rd diode D3; Said resistance R one end and said switch element 10 1 ends electrically connect; The said resistance R other end and said the 3rd diode D3 negative electrode electrically connect; Said the 3rd diode D3 anode and said switch element 10 other ends electrically connect; The said first diode D1 anode and the second diode D2 anode are electrically connected at respectively between said resistance R and the 3rd diode D3; First output of the corresponding said testing circuit of said first diode D1 negative electrode unit 20, second output of the corresponding said testing circuit of said second diode D2 negative electrode unit 20, the first output transmission level signal of said testing circuit unit 20 is given said processing unit 30.
Said processing unit 30 signal input parts and the said first diode D1 negative electrode electrically connect; Said second diode D2 negative electrode and said processing unit 30 power inputs electrically connect; Said processing unit 30 outputs and said switch element 10 electrically connect, in order to control said switch element 10 break-makes; Said second diode D2 and the 3rd diode D3 are protection component, when external circuit 40 voltage instabilities regularly, with the voltage range that guarantees that level signal that said processing unit 30 signal input parts receive is born at said processing unit 30.
When the utility model is in holding state; Said switch element 10 breaks off; If external circuit 40 has load L, 20 work of testing circuit unit, external circuit 40 power supplys are through the step-down of resistance R current limliting; Be transported to processing unit 30 signal input parts through the first diode D1 detecting level signal again, 30 pairs of processing units detect level signal and detect differentiation and keep former running status.
If external circuit 40 does not have load L; This moment, 20 two ends, testing circuit unit were positioned at same equipotential position; External circuit 40 power supplys do not change through the detection level signal that the first diode D1 sends; Processing unit 30 is detected differentiation, and when switch element 10 instructions are opened in user's transmission, stops switch element 10 closures.
In sum; The utility model load detecting electronic switching circuit passes through switch element 10 and the 20 parallelly connected settings of testing circuit unit; Utilize testing circuit unit 20 transmission level signals to give processing unit 30; Further switch element 10 is controlled, detecting has non-loaded L, avoids increasing quiescent dissipation.
The above embodiment has only expressed a kind of execution mode of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model.Therefore, the protection range of the utility model should be as the criterion with accompanying claims.
Claims (3)
1. load detecting electronic switching circuit; It is characterized in that: comprise switch element (10), testing circuit unit (20) and processing unit (30); Said switch element (10) two ends electrically connect external circuit (40); Said testing circuit unit (20) and the parallelly connected setting of said switch element (10); Said processing unit (30) input and said testing circuit unit (20) output electrically connect, and said processing unit (30) output and said switch element (10) electrically connect.
2. load detecting electronic switching circuit according to claim 1; It is characterized in that: said testing circuit unit (20) comprises resistance (R), first diode (D1), second diode (D2) and the 3rd diode (D3); Said resistance (R) end and said switch element (10) one ends electrically connect; Said resistance (R) other end and said the 3rd diode (D3) negative electrode electrically connect; Said the 3rd diode (D3) anode and said switch element (10) other end electrically connect; Said first diode (D1) anode and second diode (D2) anode are electrically connected at respectively between said resistance (R) and the 3rd diode (D3); First output of the corresponding said testing circuit unit of said first diode (D1) negative electrode (20), second output of the corresponding said testing circuit unit of said second diode (D2) negative electrode (20).
3. load detecting electronic switching circuit according to claim 2; It is characterized in that: said first diode (D1) negative electrode and said processing unit (30) signal input part electrically connect, and said second diode (D2) negative electrode and said processing unit (30) power input electrically connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220081955 CN202586916U (en) | 2012-03-07 | 2012-03-07 | Electronic switching circuit for load detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220081955 CN202586916U (en) | 2012-03-07 | 2012-03-07 | Electronic switching circuit for load detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586916U true CN202586916U (en) | 2012-12-05 |
Family
ID=47256274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220081955 Expired - Fee Related CN202586916U (en) | 2012-03-07 | 2012-03-07 | Electronic switching circuit for load detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602553A (en) * | 2016-12-21 | 2017-04-26 | 深圳市微校互联科技有限公司 | Single-live-wire power-drawing circuit |
| CN111897252A (en) * | 2020-06-28 | 2020-11-06 | 杭州涂鸦信息技术有限公司 | Load detection method, system and equipment |
-
2012
- 2012-03-07 CN CN 201220081955 patent/CN202586916U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602553A (en) * | 2016-12-21 | 2017-04-26 | 深圳市微校互联科技有限公司 | Single-live-wire power-drawing circuit |
| CN111897252A (en) * | 2020-06-28 | 2020-11-06 | 杭州涂鸦信息技术有限公司 | Load detection method, system and equipment |
| CN111897252B (en) * | 2020-06-28 | 2022-05-17 | 杭州涂鸦信息技术有限公司 | Load detection method, system and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN BOYONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DONGGUAN XIANGFENG ELECTRONICS TECHNOLOGY INDUSTRIAL CO., LTD. Effective date: 20130326 Free format text: FORMER OWNER: DONGGUAN BOYONG TECHNOLOGY CO., LTD. Effective date: 20130326 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523850 DONGGUAN, GUANGDONG PROVINCE TO: 523000 DONGGUAN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130326 Address after: Industrial Road, Songshan Lake high tech Zone 523000 Guangdong city of Dongguan province No. 6 Songhu Branch Park 2 building 611 room Patentee after: Dongguan Boyong Electronic Technology Co., Ltd. Address before: 523850 Guangdong Province, Dongguan city Changan town Xiagang Zhen'an Technology Park Patentee before: Dongguan Xiangfeng Electronic Technology Industrial Co., Ltd. Patentee before: Dongguan Boyong Electronic Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BOYONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DONGGUAN BOYONG TECHNOLOGY CO., LTD. Effective date: 20150527 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523000 DONGGUAN, GUANGDONG PROVINCE TO: 518054 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150527 Address after: 518054 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.) Patentee after: SHENZHEN BOYONG TECHNOLOGY CO., LTD. Address before: Industrial Road, Songshan Lake high tech Zone 523000 Guangdong city of Dongguan province No. 6 Songhu Branch Park 2 building 611 room Patentee before: Dongguan Boyong Electronic Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20170307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |