CN201629572U - Electromagnetic type automatic regulating device for preventing reverse connection of positive electrode and negative electrode - Google Patents
Electromagnetic type automatic regulating device for preventing reverse connection of positive electrode and negative electrode Download PDFInfo
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- CN201629572U CN201629572U CN2010200460356U CN201020046035U CN201629572U CN 201629572 U CN201629572 U CN 201629572U CN 2010200460356 U CN2010200460356 U CN 2010200460356U CN 201020046035 U CN201020046035 U CN 201020046035U CN 201629572 U CN201629572 U CN 201629572U
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- Prior art keywords
- relay
- polarity
- access end
- diode
- power access
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Abstract
The utility model relates to an electromagnetic type automatic regulating device for preventing reverse connection of positive electrode and negative electrode, which comprises two power supply access terminals C and D and two output terminals A and B; an off-on control circuit and a single-path polarity regulating circuit are respectively connected between the two power supply access terminals C and D, and a double-path polarity regulating circuit is connected between the power supply access terminal and the output terminal. The automatic regulating device not only can detect whether the connection of the positive electrode and the negative electrode of a storage battery is correct, but also can conduct automatic polarity regulation in the device under the condition of the reverse connection of the positive electrode and the negative electrode, thus ensuring the correctness of the polarity of the power supply at the input end of electric equipment. The automatic regulating device can automatically regulate the polarity of the power supply under the condition of the reverse connection of the positive electrode and the negative electrode, and also can detect whether the connection of the positive electrode and the negative electrode of the storage battery is correct, thus being widely applicable to protection on direct-current power circuits in an internal combustion engine and the like.
Description
Technical field
The utility model relates to a kind of electric power polarity and adjusts circuit, the anti-reverse automatic regulating apparatus of specifically a kind of electromagnetic type both positive and negative polarity.
Background technology
At present, the structure of known DC equipment battery main switch is the Electromagnetic Switch that is connected between storage battery and the direct-flow electricity utilization apparatus.This Electromagnetic Switch does not possess the accumulator anode and cathode reversal connection and adjusts function.In daily use, if the situation of both positive and negative polarity reversal connection then can cause the damage of burning of direct-flow electricity utilization apparatus such as vehicle.
The utility model content
The purpose of this utility model just provides the anti-reverse automatic regulating apparatus of a kind of electromagnetic type both positive and negative polarity, with the infringement of avoiding the power line error-polarity connection that direct-flow electricity utilization apparatus is caused.
The utility model is achieved in that the anti-reverse automatic regulating apparatus of a kind of electromagnetic type both positive and negative polarity, includes two the sub-C of power access end, D and two lead-out terminal A, B; Between two the sub-C of power access end, D, be connected to ON-OFF control circuit and single channel polarity adjustment circuit respectively, between power access end and lead-out terminal, be connected with the two-way polarity adjustment circuit;
Described ON-OFF control circuit is a relay J
5And resistance R
1Series circuit;
Described single channel polarity adjustment circuit is a relay J
4, diode D
4And resistance R
2Series circuit, relay J
5Normally opened contact J
5-2Be serially connected in the single channel polarity adjustment circuit relay J
4Normally opened contact J
4-1Be serially connected between sub-D of power access end and the lead-out terminal A;
Described two-way polarity adjustment circuit is three parallel circuitss that branch road is in parallel, two sys nodes of described parallel circuits, a serial connection relay J
5Normally opened contact J
5-1After meet the sub-C of power access end, another is connected on the diode D in the described single channel polarity adjustment circuit
4With normally opened contact J
5-2Between connected node on; Described three branch roads, first branch road is connected in series with relay J
1With diode D
1, relay J
1Normally opened contact J
1-1Be serially connected between sub-C of power access end and the lead-out terminal A; Second branch road is connected in series with relay J
2With diode D
2, relay J
2Normally opened contact J
2-1Be serially connected between sub-C of power access end and the lead-out terminal B; The 3rd branch road is connected in series with relay J
3With diode D
3, relay J
3Normally opened contact J
3-1Be serially connected between sub-D of power access end and the lead-out terminal B; Diode D in second branch road
2Opposite with the connection polarity of diode in the first, the 3rd branch road.
In described ON-OFF control circuit, be serially connected with K switch, with master control switch as this device.
The utility model utilizes the unilateral conduction of diode, the conducting of control corresponding relays, utilize relay contact to connect corresponding circuit, thereby make "+" utmost point or "-" utmost point binding post of two power access end and storage battery of this device join, can guarantee that all the output polarity on this device lead-out terminal remains unchanged, avoid the damage of burning for the caused direct-flow electricity utilization apparatus of reversal connection misoperation thus because of the people.
The utility model can connect the automatic adjustment of carrying out electric power polarity under the anti-situation at both positive and negative polarity, and whether can also measure the accumulator anode and cathode wiring correct.The utility model is simple in structure, and volume is little, is a kind of protective device that is widely used in the DC power supply circuit in the apparatus of the internal-combustion engine.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, the utility model includes two the sub-C of power access end, the D on device the right and two lead-out terminal A, the B on the device left side; Between two the sub-C of power access end, D, be connected to ON-OFF control circuit and single channel polarity adjustment circuit respectively, between power access end and lead-out terminal, be connected with the two-way polarity adjustment circuit.
In ON-OFF control circuit, be connected in series with K switch, relay J
5And resistance R
1
In the single channel polarity adjustment circuit, be connected in series with relay J
4, diode D
4And resistance R
2, relay J
4Normally opened contact J
4-1Be serially connected between sub-D of power access end and the lead-out terminal A relay J in the ON-OFF control circuit
5Normally opened contact J
5-2Be serially connected in diode D
4And resistance R
2Between connected node on.
The two-way polarity adjustment circuit is three parallel circuitss that branch road is in parallel.Two sys nodes of this parallel circuits, a serial connection relay J
5Normally opened contact J
5-1After meet the sub-C of power access end, another is connected on the diode D in the described single channel polarity adjustment circuit
4With normally opened contact J
5-2Between connected node on.
Three branch roads in the two-way polarity adjustment circuit, first branch road is connected in series with relay J
1With diode D
1, relay J
1Normally opened contact J
1-1Be serially connected between sub-C of power access end and the lead-out terminal A; Second branch road is connected in series with relay J
2With diode D
2, the connection polarity of the diode in the connection polarity of this diode and first branch road is opposite, relay J
2Normally opened contact J
2-1Be serially connected between sub-C of power access end and the lead-out terminal B; The 3rd branch road is connected in series with relay J
3With diode D
3, the connection polarity of the diode in the connection polarity of this diode and first branch road is identical, relay J
3Normally opened contact J
3-1Be serially connected between sub-D of power access end and the lead-out terminal B.
Operation principle of the present utility model is: when the sub-C of power access end connects DC power supply "+" utmost point, when the sub-D of power access end connects "-" utmost point of DC power supply, connects K switch, relay J
5Coil electricity, two normally opened contact J
5-1And J
5-2Adhesive makes first branch road and the conducting respectively of the 3rd branch road in the two-way polarity adjustment circuit, relay J
1And J
3Coil electricity, the normally opened contact J of two relays
1-1And J
3-2Adhesive respectively.At this moment, the lead-out terminal A of this device is connected with the sub-C of power access end, is "+" utmost point; Lead-out terminal B is connected with the sub-D of power access end, is "-" utmost point.
When the sub-D of "-" utmost point, power access end that connects DC power supply as the sub-C of power access end connects "+" utmost point of DC power supply, connect K switch, relay J
5Coil electricity, two normally opened contact J
5-1And J
5-2Adhesive makes second branch road and the conducting of single channel polarity adjustment circuit in the two-way polarity adjustment circuit respectively, the relay J in second branch road
2With the relay J in the single channel polarity adjustment circuit
4Coil electricity, the normally opened contact J of two relays
2-1And J
4-1Adhesive respectively.At this moment, the lead-out terminal A of this device is connected with the sub-D of power access end, is "+" utmost point; Lead-out terminal B is connected with the sub-C of power access end, is "-" utmost point.Realized the automatic adjustment of electric power polarity thus, made the electric power polarity on two lead-out terminal A, the B on this device remain constant.
Claims (2)
1. the anti-reverse automatic regulating apparatus of electromagnetic type both positive and negative polarity is characterized in that including two power access end (C, D) and two lead-out terminals (A, B); Between two power access end (C, D), be connected to ON-OFF control circuit and single channel polarity adjustment circuit respectively, between power access end and lead-out terminal, be connected with the two-way polarity adjustment circuit;
Described ON-OFF control circuit is a relay J
5And resistance R
1Series circuit;
Described single channel polarity adjustment circuit is a relay J
4, diode D
4And resistance R
2Series circuit, relay J
5Normally opened contact J
5-2Be serially connected in the single channel polarity adjustment circuit relay J
4Normally opened contact J
4-1Be serially connected between sub-D of power access end and the lead-out terminal A;
Described two-way polarity adjustment circuit is three parallel circuitss that branch road is in parallel, two sys nodes of described parallel circuits, a serial connection relay J
5Normally opened contact J
5-1After meet the sub-C of power access end, another is connected on the diode D in the described single channel polarity adjustment circuit
4With normally opened contact J
5-2Between connected node on; Described three branch roads, first branch road is connected in series with relay J
1With diode D
1, relay J
1Normally opened contact J
1-1Be serially connected between sub-C of power access end and the lead-out terminal A; Second branch road is connected in series with relay J
2With diode D
2, relay J
2Normally opened contact J
2-1Be serially connected between sub-C of power access end and the lead-out terminal B; The 3rd branch road is connected in series with relay J
3With diode D
3, relay J
3Normally opened contact J
3-1Be serially connected between sub-D of power access end and the lead-out terminal B; Diode D in second branch road
2Opposite with the connection polarity of diode in the first, the 3rd branch road.
2. the anti-reverse automatic regulating apparatus of electromagnetic type both positive and negative polarity according to claim 1 is characterized in that being serially connected with K switch in described ON-OFF control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200460356U CN201629572U (en) | 2010-01-08 | 2010-01-08 | Electromagnetic type automatic regulating device for preventing reverse connection of positive electrode and negative electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200460356U CN201629572U (en) | 2010-01-08 | 2010-01-08 | Electromagnetic type automatic regulating device for preventing reverse connection of positive electrode and negative electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629572U true CN201629572U (en) | 2010-11-10 |
Family
ID=43060971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200460356U Expired - Fee Related CN201629572U (en) | 2010-01-08 | 2010-01-08 | Electromagnetic type automatic regulating device for preventing reverse connection of positive electrode and negative electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374942A (en) * | 2017-08-04 | 2019-02-22 | 许继集团有限公司 | A kind of DC voltage and the adaptively sampled circuit of DC current signal and method |
| WO2021196782A1 (en) * | 2020-03-31 | 2021-10-07 | 广东小天才科技有限公司 | Positive and negative insertion switching circuit and system, and smart wearable device |
-
2010
- 2010-01-08 CN CN2010200460356U patent/CN201629572U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374942A (en) * | 2017-08-04 | 2019-02-22 | 许继集团有限公司 | A kind of DC voltage and the adaptively sampled circuit of DC current signal and method |
| WO2021196782A1 (en) * | 2020-03-31 | 2021-10-07 | 广东小天才科技有限公司 | Positive and negative insertion switching circuit and system, and smart wearable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20110108 |