CN219038271U - Vehicle instrument detection device - Google Patents
Vehicle instrument detection device Download PDFInfo
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- CN219038271U CN219038271U CN202320722680.2U CN202320722680U CN219038271U CN 219038271 U CN219038271 U CN 219038271U CN 202320722680 U CN202320722680 U CN 202320722680U CN 219038271 U CN219038271 U CN 219038271U
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Abstract
A vehicle instrument detection device comprises a box body, wherein a box cover capable of being turned over is arranged at the upper part of the box body, a left box groove and a right box groove are arranged in the box body, and a portable pneumatic pump and a pressure calibration meter placement box are fixedly arranged in the left box groove; the panel is fixedly arranged on the notch of the right box groove, the front half part of the panel is provided with a power supply main switch, a 12V direct current power supply output interface, a 24V direct current power supply interface, an external 24V direct current power supply interface, a USB interface, a switching value signal output interface and a switching value signal input detection interface, the rear half part of the panel is provided with a signal input area and a signal output area, a circuit board is fixedly arranged in the right box groove, and an external alternating current power supply interface is fixedly arranged on the right side wall of the box body. Each processing unit is arranged in the box body, and the functions of the indicators such as a vehicle speed odometer indicator, an engine tachometer indicator, a current indicator and the like, various switching values, indicator lamps and the like are detected through each processing unit, so that the device is convenient to carry and operate.
Description
Technical Field
The utility model relates to the technical field of instrument detection, in particular to a vehicle instrument detection device.
Background
The instrument products used by some special vehicles are various, the equipment adopted in the detection of the instruments on the special vehicles has no universality, and the universal detection tools on the market cannot be directly used for detection, so that the fault detection of the vehicles or the judgment of the performance of the instruments in the vehicle maintenance process by maintenance factories is difficult in the field.
Disclosure of Invention
The utility model provides a vehicle instrument detection device aiming at solving the problems in the prior art, and aims to provide equipment capable of integrally detecting a special vehicle indicator.
The vehicle instrument detection device comprises a box body, wherein a box cover capable of being turned over is arranged at the upper part of the box body, a left box groove and a right box groove are formed in the box body, and a portable pneumatic pump and a pressure calibration meter placement box are fixedly arranged in the left box groove; the right box groove notch is fixedly provided with a panel, the front half part of the panel is provided with a power supply main switch, a 12V direct current power supply output interface, a 24V direct current power supply interface, an external 24V direct current power supply interface, a USB interface, a switching value signal output interface and a switching value signal input detection interface which are used for being connected with an upper computer, the rear half part of the panel is provided with a signal input area and a signal output area, a plurality of signal input interfaces are distributed in the signal input area, a plurality of signal output interfaces are distributed in the signal output area, a circuit board is fixedly arranged in the right box groove, and an external alternating current power supply interface is fixedly arranged on the right side wall of the box body.
The method further comprises the following steps: the voltage output chip arranged on the circuit board is HTC5615 and the current output chip arranged on the circuit board is XTR111, so that the output error is controlled below 3%.
The method further comprises the following steps: the circuit board is provided with a singlechip control circuit, and a peripheral circuit of the singlechip control circuit is provided with a power circuit, a signal output circuit, a signal input current and a communication circuit; the external alternating current power supply interface and the external 24V direct current power supply interface are electrically connected to the input end of the power supply circuit; the switching value signal output interface and the switching value signal input detection interface are electrically connected to the singlechip control circuit; the signal output interface is electrically connected to the signal output circuit, and the signal input interface is electrically connected to the signal input circuit.
The method further comprises the following steps: the signal output circuit comprises a voltage signal output circuit, a current signal output circuit, a resistance signal output circuit, a frequency signal output circuit and a switching value signal output circuit.
The method further comprises the following steps: the signal input circuit comprises a voltage signal acquisition circuit, a current signal acquisition circuit, a resistance signal acquisition circuit, a frequency signal acquisition circuit and a switching value signal acquisition circuit.
The method further comprises the following steps: the power supply main switch is an air switch.
The utility model has the beneficial effects that: each processing unit is arranged in the box body, and the functions of indicators such as a vehicle speed odometer indicator, an engine tachometer indicator, a current indicator, an engine oil pressure meter indicator and the like, various switching values, indicator lamps and the like are detected through each processing unit, so that the device is convenient to carry and operate.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, 1, a box body; 2. a power supply main switch; 3. an undervoltage protector; 4. a USB interface; 5. a switching value signal output interface; 6. an external alternating current power supply interface 7, and a switching value signal input detection interface; 8. a signal output region; 9. a signal input region; 10. a pressure calibration gauge placement box; 11. a portable pneumatic pump; 12. 24V DC power supply output interface; 13. a 12V direct current power supply output interface; 14. an external 24V dc power supply interface; 101. a left tank groove; 102. right tank.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings. Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. The terms left, middle, right, upper, lower, etc. in the examples of the present utility model are merely relative concepts or references to the normal use state of the product, and should not be construed as limiting.
The vehicle instrument detection device comprises a box body 1, wherein a box cover capable of being turned over is arranged at the upper part of the box body 1, a left box groove 101 and a right box groove 102 are arranged in the box body 1, a portable pneumatic pump 11 and a pressure calibration meter placement box 10 are fixedly arranged in the left box groove 101, the portable pneumatic pump 11 is a portable handheld pneumatic pump, and a pressure calibration meter is placed in the pressure calibration meter placement box 10; the front half part of the panel is provided with a power main switch 2, a 12V direct current power supply output interface 13, a 24V direct current power supply output interface 12, an external 24V direct current power supply interface 14, a USB interface 4, a switching value signal output interface 5 and a switching value signal input detection interface 7 for connecting an upper computer, the power main switch 2 is an air switch and is connected with an undervoltage protector 3 in series, the rear half part of the panel is provided with a signal input area 9 and a signal output area 8, a plurality of signal input interfaces are distributed in the signal input area 9, a plurality of signal output interfaces are distributed in the signal output area 8, a circuit board is fixedly arranged in the right box groove 102, and an external alternating current power supply interface 6 is fixedly arranged on the right side wall of the box body 1.
The voltage output chip arranged on the circuit board is HTC5615, and the current output chip arranged on the circuit board is XTR111, so that the output error is controlled below 3%. The circuit board is provided with a singlechip control circuit, and a peripheral circuit of the singlechip control circuit is provided with a power circuit, a signal output circuit, a signal input current and a communication circuit; the external alternating current power supply interface 6 and the external 24V direct current power supply interface 14 are electrically connected to the input end of the power supply circuit and are used for supplying power to the utility model; the switching value signal output interface 5 and the switching value signal input detection interface 7 are electrically connected to the singlechip control circuit and are used for receiving signals of the upper computer and sending signals to the upper computer; the signal output interface is electrically connected to the signal output circuit and is used for outputting signals of the upper computer to corresponding meters through the corresponding signal output interface, and the signal input interface is electrically connected to the signal input circuit and is used for transmitting meter information input by the signal input interface to the upper computer. The signal output circuit comprises a voltage signal output circuit, a current signal output circuit, a resistance signal output circuit, a frequency signal output circuit and a switching value signal output circuit. The signal input circuit comprises a voltage signal acquisition circuit, a current signal acquisition circuit, a resistance signal acquisition circuit, a frequency signal acquisition circuit and a switching value signal acquisition circuit.
The working principle of the utility model is as follows: the portable pneumatic pump 11 (0-6 MPa) is adopted to be matched with a YH800B digital precision pressure calibration meter to serve as a signal source of the pressure instrument indicator to detect the pressure instrument indicator. The external output signal and the external input signal are intuitively displayed on the upper computer through the visual display interface of the upper computer and the matched upper computer software, and the external output signal can be set through the upper computer. The power supply provided by the utility model is divided into two modes, namely alternating current 220V or direct current 24V, one path of 12V/5A output is provided through the USB interface 4, and a 24V direct current power supply output interface 12 and a 12V direct current power supply output interface 13 are also arranged, so that the power supply requirements of various instruments are met.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a vehicle instrument detection device, includes the box, box upper portion is provided with the case lid that can turn over, its characterized in that: a left tank groove and a right tank groove are formed in the tank body, and a portable pneumatic pump and a pressure calibration meter placing box are fixedly arranged in the left tank groove; the right box groove notch is fixedly provided with a panel, the front half part of the panel is provided with a power supply main switch, a 12V direct current power supply output interface, a 24V direct current power supply interface, an external 24V direct current power supply interface, a USB interface, a switching value signal output interface and a switching value signal input detection interface which are used for being connected with an upper computer, the rear half part of the panel is provided with a signal input area and a signal output area, a plurality of signal input interfaces are distributed in the signal input area, a plurality of signal output interfaces are distributed in the signal output area, a circuit board is fixedly arranged in the right box groove, and an external alternating current power supply interface is fixedly arranged on the right side wall of the box body.
2. The vehicle meter detection device of claim 1, wherein: the voltage output chip set on the circuit board is HTC5615 and the current output chip set is XTR111.
3. The vehicle meter detection device of claim 1, wherein: the circuit board is provided with a singlechip control circuit, and a peripheral circuit of the singlechip control circuit is provided with a power circuit, a signal output circuit, a signal input current and a communication circuit; the external alternating current power supply interface and the external 24V direct current power supply interface are electrically connected to the input end of the power supply circuit; the switching value signal output interface and the switching value signal input detection interface are electrically connected to the singlechip control circuit; the signal output interface is electrically connected to the signal output circuit, and the signal input interface is electrically connected to the signal input circuit.
4. A vehicle meter inspection device according to claim 3, wherein: the signal output circuit comprises a voltage signal output circuit, a current signal output circuit, a resistance signal output circuit, a frequency signal output circuit and a switching value signal output circuit.
5. A vehicle meter inspection device according to claim 3, wherein: the signal input circuit comprises a voltage signal acquisition circuit, a current signal acquisition circuit, a resistance signal acquisition circuit, a frequency signal acquisition circuit and a switching value signal acquisition circuit.
6. The vehicle meter detection device of claim 1, wherein: the power supply main switch is an air switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320722680.2U CN219038271U (en) | 2023-04-04 | 2023-04-04 | Vehicle instrument detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320722680.2U CN219038271U (en) | 2023-04-04 | 2023-04-04 | Vehicle instrument detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219038271U true CN219038271U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320722680.2U Active CN219038271U (en) | 2023-04-04 | 2023-04-04 | Vehicle instrument detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219038271U (en) |
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2023
- 2023-04-04 CN CN202320722680.2U patent/CN219038271U/en active Active
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