CN202918265U - Non-polar electronic switch - Google Patents
Non-polar electronic switch Download PDFInfo
- Publication number
- CN202918265U CN202918265U CN 201220617023 CN201220617023U CN202918265U CN 202918265 U CN202918265 U CN 202918265U CN 201220617023 CN201220617023 CN 201220617023 CN 201220617023 U CN201220617023 U CN 201220617023U CN 202918265 U CN202918265 U CN 202918265U
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- electronic switch
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Abstract
The utility model discloses a non-polar electronic switch including a shell, a pin 3 and a pin 4 of a power return circuit, and a pin 1 and a pin 2 of a drive circuit. The shell is inside provided with two MOSFETs connected with each other. Gate poles of the two MOSEFETs are connected with each other and then are connected with the pin 1 of the drive circuit. Source poles of the two MOSEFETs are connected with each other and then are connection with the pin 2 of the drive circuit. Drain poles of the two MOSFETs are connected with the pin 3 and the pin 4 of the power source return circuit. According to the utility model, the drain poles of the non-polar electronic switch are connected with the pin 3 and the pin 4 of the power source return circuit. The pin 3 and the pin 4 of the power source return circuit can work as a positive pole connecting terminal or a negative pole connecting terminal of the power source return circuit respectively, so that the positive pole and the negative pole of the non-polar electronic switch do not need to be distinguished when connecting. The connection can be realized without limits of polarities. And the installation and connection become simple and conveniently.
Description
Technical field
The utility model relates to Electronic Control, power conversion and field of power management, specifically a kind of nonpolarity electronic switch.
Background technology
Nonpolarity power supply need not to consider the both positive and negative polarity annexation when being the external power supply connection, can do any positive and negative wiring.At present, the conduction mode of nonpolarity power supply mainly adopts relay to realize, but the relay volume is large, reliability is low, does not satisfy the high occasion of reliability requirement height or switching frequency.
The utility model content
The technical problems to be solved in the utility model provides a kind of nonpolarity electronic switch, and it can realize the purpose of electric power loop two-way admittance and blocking-up.
The technical solution of the utility model is:
A kind of nonpolarity electronic switch, include and be provided with electric power loop 3,4 pins and drive circuit 1,2 pins on housing, the housing, be provided with two interconnective MOSFET pipes in the housing, after interconnecting, the gate pole of two MOSFET pipes is connected with drive circuit 1 pin, be connected with drive circuit 2 pins after the source electrode of two MOSFET pipes interconnects, the drain electrode of two MOSFET pipes is connected with electric power loop 3,4 pins respectively.
Described two MOSFET pipes are selected two N-type MOSFET pipes or two P type MOSFET pipes.
Described nonpolarity electronic switch also includes discharge resistance, and the two ends of discharge resistance are connected in parallel on drive circuit 1,2 pins.
Advantage of the present utility model:
(1), drain electrode of the present utility model is connected with electric power loop 3,4 pins respectively, electric power loop 3,4 pins can be respectively as the negative or positive electrode link of electric power loop, both positive and negative polarity when need not to distinguish the utility model connection can at will not docked by the polarity restriction, and installation connects simple and convenient;
(2), conducting of the present utility model and blocking-up are according to the size of drive circuit both positive and negative polarity voltage, when drive circuit both positive and negative polarity voltage during greater than the conducting voltage of the utility model MOSFET pipe, switch is conducting, when drive circuit both positive and negative polarity voltage during less than the cut-ff voltage of the utility model MOSFET pipe, switch is namely blocked, thereby realize the effect of nonpolarity switch, solved as requiring the electronic switch can two-way admittance and the occasion of blocking-up in DC/DC, BMS battery management system and other industrial control circuit.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the syndeton schematic diagram of the utility model embodiment 1.
Fig. 3 is the syndeton schematic diagram of the utility model embodiment 2.
Fig. 4 is the syndeton schematic diagram of the utility model embodiment 3.
Fig. 5 is the syndeton schematic diagram of the utility model embodiment 4.
Embodiment
See Fig. 1, a kind of nonpolarity electronic switch, include and be provided with electric power loop 3,4 pins and drive circuit 1,2 pins on housing 1, the housing 1, be provided with two interconnective MOSFET pipe Q1, Q2 in the housing 1, after interconnecting, the gate pole of two MOSFET pipes Q1, Q2 is connected with drive circuit 1 pin, after interconnecting, the source electrode of two MOSFET pipes Q1, Q2 is connected with drive circuit 2 pins, the drain electrode of two MOSFET pipes Q1, Q2 is connected with electric power loop 3,4 pins respectively, is connected in parallel to discharge resistance R1 on drive circuit 1,2 pins.
Embodiment 1
See Fig. 2, a kind of is nonpolarity electronic switch, include and be provided with electric power loop 3,4 pins and drive circuit 1,2 pins on housing 1, the housing 1, be provided with two interconnective N-type MOSFET pipe Q1, Q2 in the housing 1, after interconnecting, the gate pole of two N-type MOSFET pipes Q1, Q2 is connected with drive circuit 1 pin, be connected with drive circuit 2 pins after the source electrode of two N-type MOSFET pipes Q1, Q2 interconnects, the drain electrode of two N-type MOSFET pipes Q1, Q2 is connected with electric power loop 3,4 pins respectively; Drive circuit 1 pin and 2 anodal connections of MOSFET drive circuit, drive circuit 2 pins are connected with MOSFET drive circuit 2 negative poles, electric power loop 3 pins are connected with the positive pole (high-end) of electric power loop, electric power loop 4 pins are connected with the negative pole (earth terminal) of electric power loop by load RL, when the voltage between drive circuit 1 pin and drive circuit 2 pins is managed the conducting voltage of Q1, Q2 greater than N-type MOSFET, N-type MOSFET pipe Q1 forward conduction, the reverse low-resistance conducting of Q2, namely nonpolarity electronic switch is opened; Otherwise, when the voltage between drive circuit 1 pin and drive circuit 2 pins during less than the cut-ff voltage of N-type MOSFET pipe, the Q1 cut-off, thus Q1, Q2 two N-type MOSFET manage the electric power loop 3 that forms, the cut-off state that 4 pins are in power supply, and namely nonpolarity electronic switch cuts out.
See Fig. 3, a kind of is nonpolarity electronic switch, include and be provided with electric power loop 3,4 pins and drive circuit 1,2 pins on housing 1, the housing 1, be provided with two interconnective N-type MOSFET pipe Q1, Q2 in the housing 1, after interconnecting, the gate pole of two N-type MOSFET pipes Q1, Q2 is connected with drive circuit 1 pin, be connected with drive circuit 2 pins after the source electrode of two N-type MOSFET pipes Q1, Q2 interconnects, the drain electrode of two N-type MOSFET pipes Q1, Q2 is connected with electric power loop 3,4 pins respectively; Drive circuit 1 pin and 2 anodal connections of MOSFET drive circuit, drive circuit 2 pins are connected with MOSFET drive circuit 2 negative poles, electric power loop 3 pins are connected with the negative pole (earth terminal) of electric power loop, electric power loop 4 pins are connected with the positive pole (high-end) of electric power loop by load RL, when the voltage between drive circuit 1 pin and drive circuit 2 pins during greater than the conducting voltage of N-type MOSFET pipe, N-type MOSFET pipe Q2 forward conduction, the reverse low-resistance conducting of Q1, namely nonpolarity electronic switch is opened; Otherwise, when the voltage between drive circuit 1 pin and drive circuit 2 pins during less than the cut-ff voltage of N-type MOSFET pipe, the Q2 cut-off, thus Q1, Q2 two N-type MOSFET manage the electric power loop 3 that connects, the cut-off state that 4 pins are in power supply, and namely nonpolarity electronic switch cuts out.
See Fig. 4, a kind of is nonpolarity electronic switch, include and be provided with electric power loop 3,4 pins and drive circuit 1,2 pins on housing 1, the housing 1, be provided with two interconnective P type MOSFET pipe Q1, Q2 in the housing 1, after interconnecting, the gate pole of two P type MOSFET pipes Q1, Q2 is connected with drive circuit 1 pin, be connected with drive circuit 2 pins after the source electrode of two P type MOSFET pipes Q1, Q2 interconnects, the drain electrode of two P type MOSFET pipes Q1, Q2 is connected with electric power loop 3,4 pins respectively; Drive circuit 1 pin is connected with MOSFET drive circuit 2 negative poles, drive circuit 2 pins and 2 anodal connections of MOSFET drive circuit, electric power loop 3 pins are connected with the positive pole (high-end) of electric power loop, electric power loop 4 pins are connected with the negative pole (earth terminal) of electric power loop by load RL, when the voltage between drive circuit 1 pin and drive circuit 2 pins during greater than the conducting voltage of P type MOSFET pipe, P type MOSFET pipe Q1 forward conduction, the reverse low-resistance conducting of Q2, namely nonpolarity electronic switch is opened; Otherwise, when the voltage between drive circuit 1 pin and drive circuit 2 pins during less than the cut-ff voltage of P type MOSFET pipe, the Q1 cut-off, thus Q1, Q2 two P type MOSFET manage the electric power loop 3 that forms, the cut-off state that 4 pins are in power supply, and namely nonpolarity electronic switch cuts out.
Embodiment 4
See Fig. 5, a kind of is nonpolarity electronic switch, include and be provided with electric power loop 3,4 pins and drive circuit 1,2 pins on housing 1, the housing 1, be provided with two interconnective P type MOSFET pipe Q1, Q2 in the housing 1, after interconnecting, the gate pole of two P type MOSFET pipes Q1, Q2 is connected with drive circuit 1 pin, be connected with drive circuit 2 pins after the source electrode of two P type MOSFET pipes Q1, Q2 interconnects, the drain electrode of two P type MOSFET pipes Q1, Q2 is connected with electric power loop 3,4 pins respectively; Drive circuit 1 pin is connected with MOSFET drive circuit 2 negative poles, drive circuit 2 pins and 2 anodal connections of MOSFET drive circuit, electric power loop 3 pins are connected with the negative pole (earth terminal) of electric power loop, electric power loop 4 pins are connected with the positive pole (high-end) of electric power loop by load RL, when the voltage between drive circuit 1 pin and drive circuit 2 pins during greater than the conducting voltage of P type MOSFET pipe, P type MOSFET pipe Q2 forward conduction, the reverse low-resistance conducting of Q1, namely nonpolarity electronic switch is opened; Otherwise, when the voltage between drive circuit 1 pin and drive circuit 2 pins during less than the cut-ff voltage of P type MOSFET pipe, the Q2 cut-off, thus Q1, Q2 two P type MOSFET manage the electric power loop 3 that forms, the cut-off state that 4 pins are in power supply, and namely nonpolarity electronic switch cuts out.
Claims (3)
1. nonpolarity electronic switch, it is characterized in that: include and be provided with electric power loop 3,4 pins and drive circuit 1,2 pins on housing, the housing, be provided with two interconnective MOSFET pipes in the housing, after interconnecting, the gate pole of two MOSFET pipes is connected with drive circuit 1 pin, be connected with drive circuit 2 pins after the source electrode of two MOSFET pipes interconnects, the drain electrode of two MOSFET pipes is connected with electric power loop 3,4 pins respectively.
2. a kind of nonpolarity electronic switch according to claim 1 is characterized in that: described two MOSFET pipes are selected two N-type MOSFET pipes or two P type MOSFET pipes.
3. a kind of nonpolarity electronic switch according to claim 1, it is characterized in that: described nonpolarity electronic switch also includes discharge resistance, and the two ends of discharge resistance are connected in parallel on drive circuit 1,2 pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617023 CN202918265U (en) | 2012-11-21 | 2012-11-21 | Non-polar electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617023 CN202918265U (en) | 2012-11-21 | 2012-11-21 | Non-polar electronic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918265U true CN202918265U (en) | 2013-05-01 |
Family
ID=48166540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220617023 Expired - Fee Related CN202918265U (en) | 2012-11-21 | 2012-11-21 | Non-polar electronic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957408A (en) * | 2012-11-21 | 2013-03-06 | 合肥创源车辆控制技术有限公司 | Non-polarity electronic switch |
-
2012
- 2012-11-21 CN CN 201220617023 patent/CN202918265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957408A (en) * | 2012-11-21 | 2013-03-06 | 合肥创源车辆控制技术有限公司 | Non-polarity electronic switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20171121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |