CN210155304U - Vehicle standby power supply interface detection device - Google Patents
Vehicle standby power supply interface detection device Download PDFInfo
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- CN210155304U CN210155304U CN201920617743.1U CN201920617743U CN210155304U CN 210155304 U CN210155304 U CN 210155304U CN 201920617743 U CN201920617743 U CN 201920617743U CN 210155304 U CN210155304 U CN 210155304U
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Abstract
The utility model discloses a vehicle stand-by power supply interface detection device, including forward loop, reverse loop, positive terminal, negative terminal, positive terminal connects the negative terminal through forward loop, connects reverse loop in parallel at forward loop both ends, forward loop includes emitting diode D1, reverse loop includes emitting diode D2, emitting diode D1, emitting diode D2 luminous colour are different; the unidirectional conduction direction of the light emitting diode D1 is different from the unidirectional conduction direction of the light emitting diode D2. The utility model discloses a detection device who sets up, with detection device's positive negative pole correspond with stand-by power supply interface connection back, just can judge the pencil connection condition of department stand-by power supply interface according to detection device's emitting diode's light colour, judge whether stand-by power supply interface's terminal wiring connects conversely to give the warning through audible-visual alarm's mode, reduce because stand-by power supply interface's pencil wiring connects the anti-vehicle safety risk that causes.
Description
Technical Field
The utility model relates to a whole car factory production detection area, in particular to detection device of stand-by power source interface after the vehicle rolls off the production line.
Background
In order to meet the requirements of external electrical appliances of customers in the conventional commercial vehicle, standby power supply interfaces are mostly configured. The voltage of the storage battery is connected to the standby power supply interface through the wire harness, but the upper terminal of the standby power supply is divided into a positive pole and a negative pole, and if the terminal of the plug wire harness sheath is reversed, the user can damage the electric appliance or burn the safety of the vehicle after inserting the electric appliance. The problem that the reverse direction of the plug sheath terminal is difficult to detect due to the fact that the standby power supply interface is opposite to the plug sheath terminal after the wire harness is fed is solved, and the condition that the electric appliance is damaged due to the fact that the wire harness is fed reversely by the terminal is avoided in an assembly workshop.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a detection device for detecting a standby power supply interface, conveniently detects the problem that a power line of the standby power supply interface is reversely connected, and provides an alarm signal.
In order to achieve the purpose, the invention adopts the technical scheme that: a vehicle standby power interface detection device comprises a forward loop, a reverse loop, a positive terminal and a negative terminal, wherein the positive terminal is connected with the negative terminal through the forward loop, the reverse loop is connected in parallel at two ends of the forward loop, the forward loop comprises a light emitting diode D1, the reverse loop comprises a light emitting diode D2, and the light emitting colors of the light emitting diode D1 and the light emitting diode D2 are different; the unidirectional conduction direction of the light emitting diode D1 is different from the unidirectional conduction direction of the light emitting diode D2.
The forward loop comprises a protective resistor R1 connected in series with a light emitting diode D1.
The reverse loop includes a protection resistor R2 connected in series with a light emitting diode D2.
And a buzzer is connected in series in the reverse loop or the forward loop.
The reverse loop and the forward loop are integrally arranged on the PCB.
The light emitting diodes D1 and D2 emit green light and red light respectively.
The invention has the advantages that: through the arranged detection device, after the anode and the cathode of the detection device are connected with the standby power supply interface correspondingly, the wiring harness connection condition of the standby power supply interface can be judged according to the light color of the light emitting diode of the detection device, whether the terminal wiring of the standby power supply interface is connected reversely or not is judged, and a prompt is given in an audible and visual alarm mode, so that the vehicle safety risk caused by reverse connection of the wiring harness of the standby power supply interface is reduced.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic diagram of a circuit structure of the detection device of the present invention.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
The utility model relates to a simple and easy frock, after the vehicle assembly rolls off the production line, conveniently detect out the problem that stand-by power source interface power cord connects the reversal to provide audible-visual annunciator. In the prior art, after the assembly is finished, the electric appliance is damaged if the positive and negative electrodes between the automobile battery and the standby power supply interface are reversely connected. Therefore, a detection device is designed to detect whether the connection of the standby power interface is positive or negative.
As shown in fig. 1, a vehicle standby power interface detection device includes a forward loop, a reverse loop, a positive terminal, and a negative terminal, where the positive terminal and the negative terminal are connection terminals corresponding to the positive electrode and the negative electrode of the standby power interface. The positive terminal is connected with the negative terminal through a forward loop, reverse loops are connected in parallel at two ends of the forward loop, the forward loop comprises a light emitting diode D1, the reverse loops comprise a light emitting diode D2, and the light emitting diodes D1 and D2 are different in light emitting color; the unidirectional conduction direction of the light emitting diode D1 is different from the unidirectional conduction direction of the light emitting diode D2. After the final assembly is off line, the device is adopted, the positive terminal is correspondingly connected with the positive electrode of the standby power supply interface, and the negative terminal is correspondingly connected with the negative electrode of the standby power supply interface, so that whether the connection positive electrode and the connection negative electrode of the standby power supply interface are correct can be judged according to the light-emitting states of the light-emitting diodes D1 and D2.
In the forward loop and the reverse loop, as long as the unidirectional conduction direction of the light emitting diode D1 is different from the unidirectional conduction direction of the light emitting diode D2, the standby power interface correctly corresponds to one light emitting diode to emit light, and the standby power interface inversely corresponds to the other light emitting diode to emit light. As shown in fig. 1, the positive terminal is connected to the positive terminal of the light emitting diode D1, the negative terminal is connected to the negative terminal of the light emitting diode, the positive terminal and the negative terminal of the light emitting diode D2 are connected, and the negative terminal and the positive terminal of the light emitting diode D2 are connected. The LED D1 is a green LED, and D2 is a red LED. Therefore, during testing, the positive terminal is connected with the positive electrode of the standby power interface, the negative terminal is connected with the negative electrode of the standby power interface, if the standby power interface is correctly connected, the output voltage of the positive electrode of the standby power interface is transmitted to the negative terminal through the light-emitting diode D1 to form a loop, and the green light-emitting diode emits light; at this time, the red light emitting diode D2 cannot be turned on, and the connection of the standby power interface is judged to be correct according to the color. If the positive and negative poles of the wire harness of the standby power supply interface are reversely connected, the negative pole of the standby power supply interface outputs voltage, so that the negative pole of the standby power supply interface is conducted to the negative pole terminal through the light emitting diode D2 to form a loop, the light emitting diode D2 emits red light, and at the moment, the light emitting diode D1 cannot be conducted due to the fact that the negative pole of the wire harness of the standby power supply interface is reversely connected. And when the red light emitting diode D2 emits red light, the fact that the wiring connection between the standby power supply interface and the wiring harness of the automobile battery is in reverse fault is indicated, the reminding is given through the red light, and if the D1 and the D2 do not emit light at the moment, the fact that the wiring harness connection of the standby power supply interface is in an open circuit state is indicated.
In order to protect the forward loop and the reverse loop, a resistor R1 and a resistor R2 are respectively connected in series in the forward loop and the reverse loop, and the functions of current limiting protection are achieved. The positive terminal is connected to the positive electrode of D1 through a resistor R1, the negative electrode of D1 is connected to the negative terminal, the negative terminal is connected to the positive electrode of D2, and the negative electrode of D2 is connected to the positive terminal through a resistor R2. Therefore, when the circuit is conducted, the phenomenon of overlarge current cannot occur due to the protective resistor.
Preferably, the reverse loop comprises a buzzer, the buzzer is connected in series in the reverse loop, when the reverse loop is conducted, the corresponding D2 emits red light, and the buzzer gives out an alarm to remind that a wiring fault occurs.
As shown in fig. 1, the forward loop comprises a resistor R1 and a light emitting diode D1, and the reverse loop comprises a resistor R2, a light emitting diode D2 and a buzzer, and these electrical components are arranged on the PCB circuit board.
The positive and negative loops are designed, when the polarity of the wire harness terminal is correctly connected, the positive loop is conducted, when the green indicator lamp lights the wire harness terminal, the polarity is reversely connected, the negative loop is conducted, the color indicator lamp lights, and the buzzer gives an alarm. The wiring harness connection state of the cigarette lighter can be judged through sound and light.
The positive terminal and the negative terminal are actually arranged for matching the positive electrode and the negative electrode of the standby power interface, and taking the cigarette lighter as an example, the positive electrode and the negative electrode of the cigarette lighter can be connected with the standby power interface, so that the positive terminal and the negative terminal of the application can adopt the same structure of the cigarette lighter.
Because the cigar lighter belongs to one kind can with stand-by power source interface connection's external electrical apparatus, utilize the cigar lighter to verify this application, can set up forward loop, reverse loop on the PCB circuit board, then realize anodal terminal, negative terminal with the positive pole, the negative pole of cigar lighter, that is to say that circuit board first resistance R1 termination is at the cigar lighter anodal, diode D1's positive pole is connected to the other end, diode D1 negative pole tie point cigarette ware negative pole. One end of the resistor R2 is connected with the positive pole of the cigarette lighter, the other end is connected with the negative pole of the diode D2, the positive pole of the diode D2 is connected with the negative pole of the buzzer, and the positive pole of the buzzer is connected with the negative pole of the cigarette lighter. The positive and negative terminals of the cigarette lighter are used for realizing the positive and negative terminals of the application, then the PCB is fixed on the cigarette lighter box body, then the positive and negative electrodes of the cigarette lighter are plugged on the standby power supply interface, whether the interface is normally connected can be judged according to the luminous color, and the application is worthy of notice that the positive and negative electrodes of the cigarette lighter are led out and connected to the PCB, whether the correct wiring exists is judged by using the connection of the positive and negative electrodes of the cigarette lighter and the positive and negative electrodes of the standby power supply interface, and in practical application, the shell of the PCB and the corresponding positive and negative terminals can be designed.
The utility model discloses an inspection frock, through making a detection circuit board, with the positive negative pole of frock corresponding insert stand-by power supply interface in the positive negative pole, if green pilot lamp is bright, then pencil terminal wiring is correct; when the red indicator light is turned on and accompanied by a buzzing sound, the terminal is reversed, and when no indicator light is turned on, the wiring harness is broken. The circuit is simple and reliable, the cost is low, and the operation is convenient. After the final assembly is off line, the detection of the standby power supply interface is convenient to detect.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (6)
1. The utility model provides a vehicle stand-by power supply interface detection device which characterized in that: the LED lamp comprises a forward loop, a reverse loop, a positive terminal and a negative terminal, wherein the positive terminal is connected with the negative terminal through the forward loop, the reverse loop is connected in parallel at two ends of the forward loop, the forward loop comprises an LED D1, the reverse loop comprises an LED D2, and the LED D1 and the LED D2 have different light emitting colors; the unidirectional conduction direction of the light emitting diode D1 is different from the unidirectional conduction direction of the light emitting diode D2.
2. The vehicle backup power interface detection apparatus of claim 1, wherein: the forward loop comprises a protective resistor R1 connected in series with a light emitting diode D1.
3. The vehicle backup power interface detection apparatus of claim 1, wherein: the reverse loop includes a protection resistor R2 connected in series with a light emitting diode D2.
4. A vehicle backup power interface detection apparatus according to any of claims 1-3, wherein: and a buzzer is connected in series in the reverse loop or the forward loop.
5. A vehicle backup power interface detection apparatus according to any of claims 1-3, wherein: the reverse loop and the forward loop are integrally arranged on the PCB.
6. A vehicle backup power interface detection apparatus according to any of claims 1-3, wherein: the light emitting diodes D1 and D2 emit green light and red light respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617743.1U CN210155304U (en) | 2019-04-30 | 2019-04-30 | Vehicle standby power supply interface detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617743.1U CN210155304U (en) | 2019-04-30 | 2019-04-30 | Vehicle standby power supply interface detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210155304U true CN210155304U (en) | 2020-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920617743.1U Active CN210155304U (en) | 2019-04-30 | 2019-04-30 | Vehicle standby power supply interface detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155304U (en) |
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2019
- 2019-04-30 CN CN201920617743.1U patent/CN210155304U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211221 Address after: 644000 room 822, data center, No. 9, shaping section, Guoxing Avenue, Lingang Economic Development Zone, Yibin City, Sichuan Province Patentee after: Yibin Yirui Automobile Co.,Ltd. Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |
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| TR01 | Transfer of patent right |