CN217033059U - Circuit system suitable for automobile air conditioner test - Google Patents
Circuit system suitable for automobile air conditioner test Download PDFInfo
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- CN217033059U CN217033059U CN202220670232.8U CN202220670232U CN217033059U CN 217033059 U CN217033059 U CN 217033059U CN 202220670232 U CN202220670232 U CN 202220670232U CN 217033059 U CN217033059 U CN 217033059U
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Abstract
A circuit system suitable for testing an automobile air conditioner belongs to the technical field of air conditioner testing and comprises a power supply end module, a voltage regulating module, a voltage stabilizing circuit module, an actuator module, an air conditioner main wire harness module, a fan speed regulating module and a fan wire harness connector module; the power supply line circuit part is contained in the power supply end module, the fan wiring harness circuit part is contained in the fan wiring harness connector module, the air conditioner main wiring harness circuit part is contained in the air conditioner main wiring harness module, the DC/DC converter is contained in the voltage regulating module, the voltage regulator is contained in the voltage stabilizing circuit module, the digital display voltage meter head, the actuator and the first type of waveband switch are contained in the actuator module, and the air blower and the second type of waveband switch are contained in the fan speed regulating module. The utility model can quickly select the air door to be adjusted and adjust and display the opening degree of the air door by touching the wave band switch and the rocker switch, and can also quickly set the air quantity required by the fan, thereby effectively improving the performance test efficiency of the automobile air conditioner.
Description
Technical Field
The utility model relates to a circuit system in the technical field of air conditioner testing, in particular to a circuit system with two types of band switches and suitable for automobile air conditioner testing.
Background
During the performance test of vehicle air conditioner, need to adjust the degree of opening of a plurality of different air doors and the amount of wind of fan under different operating modes. These dampers are often driven by actuators with feedback. The potentiometer generates position feedback by supplying power to the actuator, so that whether the opening degree of the air door of the automobile air conditioning equipment meets the requirement or not is judged. The regulation of the air volume of the fan needs an external circuit to provide gear signals for a speed regulation module of the fan, and different gears correspond to different air volumes. The conventional performance test of the automobile air conditioner generally uses a live probe to directly supply power, so that the connector of an actuator is easily damaged, and poor contact or lap short circuit is easily caused. And the device is difficult to quickly adjust to a proper working condition state, so that the reliability is difficult to ensure. If a circuit system special for testing the automobile air conditioner can be designed, a proper gear signal can be provided quickly and efficiently, and a proper test waveband can be matched quickly, so that the accuracy and the efficiency of the performance test of the automobile air conditioner can be improved, and the circuit system has positive significance for the test of the automobile air conditioner.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a circuit system suitable for testing an automobile air conditioner, which can be used for quickly selecting an air door to be adjusted and adjusting and displaying the opening degree of the air door by combining different circuit modules and adjusting a wave band switch, can also be used for quickly setting a gear signal of the air quantity required by a fan and adjusting the air quantity of the fan, and effectively improves the efficiency of the performance test of the automobile air conditioner.
The utility model is realized by the following technical scheme that the utility model comprises a power supply end module, a voltage regulating module, a voltage stabilizing circuit module, an actuator module, an air conditioner main wire harness module, a fan speed regulating module and a fan wire harness connector module; the module is composed of the following components: the system comprises a power supply line circuit part, a fan wiring harness circuit part, an air conditioner main wiring harness circuit part, a DC/DC converter, a voltage stabilizer, a first-class wave band switch, a second-class wave band switch, a rocker switch, a digital display voltmeter head, an actuator, a blower and a blower power switch; the power supply line circuit part is contained in the power supply end module, the fan wiring harness circuit part is contained in the fan wiring harness connector module, the air conditioner main wiring harness circuit part is contained in the air conditioner main wiring harness module, the DC/DC converter is contained in the voltage regulating module, the voltage regulator is contained in the voltage stabilizing circuit module, the digital display voltage meter head, the actuator and the first type of waveband switch are contained in the actuator module, and the blower power switch, the blower and the second type of waveband switch are contained in the fan speed regulating module; the power supply end module is connected with the voltage regulation module, the fan speed regulation module and the external power supply through the wire harnesses respectively, the voltage stabilizing circuit module is connected with the voltage regulation module and the actuator module through the wire harnesses, the actuator module is further connected with the voltage regulation module and the air conditioner main wire harness module through the wire harnesses, and the fan wire harness connector module is connected with the fan speed regulation module through the wire harnesses.
Further, in the present invention, the power supply line circuit part is 2Pin, the fan harness circuit part is 4Pin, and the air conditioner main harness circuit part is 22 Pin.
Furthermore, in the present invention, the DC/DC converter is a buck converter, and the regulator is a three-terminal regulator.
Further, in the present invention, the first type of band switch is in the form of three-pole four-gear, and the second type of band switch is in the form of single-pole seven-gear.
Furthermore, in the utility model, the rocker switch is a double-pole double-throw self-resetting rocker switch, and the digital display voltmeter head is a high-precision digital display voltmeter head.
In the utility model, the power supply end module is used for connecting an external direct current power supply; the connector module of the fan wiring harness is used for connecting an automobile air conditioner to be tested; the air conditioner main wire harness module is used for connecting an automobile air conditioner to be tested; the voltage regulation module is used for reducing the input of the external direct current power supply to the required lower voltage; the voltage stabilizing circuit module is used for providing stable output 5V voltage; the actuator module is used for adjusting the opening degree of an air door of the automobile air conditioning equipment and displaying feedback voltage; the fan speed regulating module is used for setting the air quantity of a fan of the automobile air conditioning equipment.
Compared with the prior art, the utility model has the following beneficial effects: the utility model has reasonable design and convenient operation, can quickly select the air door to be adjusted and adjust and display the opening degree of the air door by combining different circuit modules and touching the wave band switch and the rocker switch, can also quickly set the air quantity required by the fan, and effectively improves the efficiency of the performance test of the automobile air conditioner. The utility model plays a positive role in improving the performance testing efficiency of the automobile air conditioner.
Drawings
FIG. 1 is a general block diagram of a circuit system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a power supply module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a fan harness connector module according to an embodiment of the utility model;
FIG. 4 is a schematic diagram of the connection of a main harness module of an air conditioner according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a voltage regulation module according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a voltage regulator circuit module according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of an actuator module according to an embodiment of the present invention;
FIG. 8 is a schematic connection diagram of a fan speed regulation module according to an embodiment of the present invention;
the reference numbers in the figures: 101. the system comprises a power supply line circuit part 102, a fan harness circuit part 103, an air conditioner main harness circuit part 104, a DC/DC converter 105, a voltage stabilizer 106, an actuator 107, a first type wave band switch 108, a rocker switch 109, a digital display voltmeter head 110, a fan 111, a second type wave band switch 112, a resistor for setting gears 113 and a fan power switch.
Detailed Description
The following embodiments of the present invention are described in detail with reference to the accompanying drawings, and the embodiments and specific operations of the embodiments are provided on the premise of the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1 to 8, the utility model comprises a power supply end module, a voltage regulating module, a voltage stabilizing circuit module, an actuator module, an air conditioner main wire harness module, a fan speed regulating module and a fan wire harness connector module; the module is composed of the following components: a power supply line circuit part 101, a fan wiring harness circuit part 102, an air conditioner main wiring harness circuit part 103, a DC/DC converter 104, a voltage stabilizer 105, an actuator 106, a first-class waveband switch 107, a rocker switch 108, a digital display voltmeter head 109, a fan 110, a second-class waveband switch 111, a group of resistors 112 for setting an air volume gear and a fan power switch 113; the power supply line circuit part 101 is included in the power supply terminal module, the fan harness circuit part 102 is included in the fan harness connector module, the air-conditioning main harness circuit part 103 is included in the air-conditioning main harness module, the DC/DC converter 104 is included in the voltage regulating module, the voltage regulator 105 is included in the voltage regulator module, the actuator 106, the first type band switch 107, the rocker switch 108, and the digital display voltmeter 109 are included in the actuator module, and the blower 110, the second type band switch 111, the set of resistors 112 for setting the air volume gear, and the blower power switch 113 are included in the blower speed regulating module. The power supply end module is respectively connected with the voltage regulation module, the fan speed regulation module and the external power supply through the wire harnesses, the voltage stabilizing circuit module is connected with the voltage regulation module and the actuator module through the wire harnesses, the actuator module is further connected with the voltage regulation module and the air conditioner main wire harness module through the wire harnesses, and the fan wire harness connector module is connected with the fan speed regulation module through the wire harnesses. 2Pin for the electric wire circuit part 101, 4Pin for the fan harness circuit part 102, 22Pin for the air-conditioning main harness circuit part 103, and a step-down converter for the DC/DC converter 104; the voltage stabilizer 105 is a three-terminal voltage stabilizer, model 7805; the first type wave band switch 107 is in a three-pole four-gear form, and the second type wave band switch 111 is in a single-pole seven-gear form; the rocker switch 108 is a double-pole double-throw self-resetting rocker switch, and the digital display voltmeter head 109 is a high-precision digital display voltmeter head.
In the implementation process of the utility model, the power supply end module is used for connecting an external direct current power supply to supply power to the whole circuit. The fan harness connector module is used for connecting the side of an automobile air conditioner to be monitored, supplying 24V power to the fan speed regulation module, transmitting an air quantity gear signal and adjusting the air quantity of the fan. The air conditioner main wire harness module is used for connecting an automobile air conditioner side to be monitored, transmitting a forward and reverse rotation control signal of the actuator and feeding back voltage. The DC/DC converter 104 of the voltage regulation module may be a buck converter with adjustable output voltage for coarse (higher output voltage, faster motor speed) and fine (lower output voltage, slower motor speed) adjustments of the actuator 106, which may allow more precise regulation of the actuator 106 relative to a fixed 12V DC/DC converter 104. The voltage stabilizing circuit module is used for supplying power to a feedback potentiometer and a digital display voltage meter head of the actuator. The voltage stabilizer 105 is a three-terminal voltage stabilizer, the model of which is 7805, and can output 5V voltage in a fixed mode. The actuator module is used for adjusting the opening degree of an air door of the automobile air conditioner and displaying feedback voltage through a voltmeter head; the power supply end module is connected with an external direct current power supply and then connected with the voltage regulation module, and the motor in the actuator 107 is supplied with power through the actuator module. The first type of band switch 107 is in the form of a three-pole four-throw switch, and different gears can control the opening and closing of different actuators. An actuator needing to be adjusted is selected by using the first-class wave band switch 107, a potentiometer in the actuator 106 generates feedback voltage and displays the feedback voltage on a digital display voltage meter head 109, so that the opening degree of the air door can be judged. The rocker switch 108 can be triggered in two directions to control the actuator to rotate forward or backward to adjust the opening or closing of the air door, and when the opening degree of the air door of the automobile air conditioner reaches a proper position, the rocker switch is released. The fan speed regulating module is used for regulating the fan air quantity of the automobile air conditioner; the power supply end module is connected with an external direct-current power supply to supply power to a motor in the blower 110, and the connector module of the fan wiring harness is connected with the automobile air conditioner side. The second type of band switch 111 is in a single-pole seven-gear mode, so that the air volume gears of the automobile air conditioner are switched, the resistor 112 used for setting the gears comprises a group of resistors with different resistance values, and gear signals are provided for the fan speed regulating module, so that the air volume of a fan of the automobile air conditioner is regulated.
The above embodiments are merely illustrative of the design principles and applications of the present invention, and do not limit the utility model. Those skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A circuit system suitable for testing an automobile air conditioner is characterized by comprising a power supply end module, a voltage regulating module, a voltage stabilizing circuit module, an actuator module, an air conditioner main wire harness module, a fan speed regulating module and a fan wire harness connector module; the module is composed of the following components: the system comprises a power supply line circuit part, a fan wiring harness circuit part, an air conditioner main wiring harness circuit part, a DC/DC converter, a voltage stabilizer, a first-class wave band switch, a second-class wave band switch, a rocker switch, a digital display voltmeter head, an actuator, a blower and a blower power switch; the power supply line circuit part is contained in the power supply end module, the fan wiring harness circuit part is contained in the fan wiring harness connector module, the air conditioner main wiring harness circuit part is contained in the air conditioner main wiring harness module, the DC/DC converter is contained in the voltage regulating module, the voltage stabilizer is contained in the voltage stabilizing circuit module, the actuator, the first type of waveband switch, the rocker switch and the digital display voltage gauge head are contained in the actuator module, and the blower power switch, the blower and the second type of waveband switch are contained in the fan speed regulating module; the power supply end module is connected with the voltage regulation module, the fan speed regulation module and the external power supply through the wire harnesses respectively, the voltage stabilizing circuit module is connected with the voltage regulation module and the actuator module through the wire harnesses, the actuator module is further connected with the voltage regulation module and the air conditioner main wire harness module through the wire harnesses, and the fan wire harness connector module is connected with the fan speed regulation module through the wire harnesses.
2. The circuit system suitable for testing the air conditioner of the automobile as claimed in claim 1, wherein the wire circuit part is 2Pin, the fan harness circuit part is 4Pin, and the air conditioner main harness circuit part is 22 Pin.
3. The circuit system of claim 1, wherein the DC/DC converter is a buck converter, and the regulator is a three-terminal regulator.
4. The circuit system for testing air conditioner of car according to claim 1, wherein said first type of band switch is in the form of three-pole four-gear, and said second type of band switch is in the form of single-pole seven-gear.
5. The circuit system suitable for testing of the air conditioner of the vehicle as claimed in claim 1, wherein the rocker switch is a double-pole double-throw self-resetting rocker switch, and the digital display voltmeter head is a high-precision digital display voltmeter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220670232.8U CN217033059U (en) | 2022-03-26 | 2022-03-26 | Circuit system suitable for automobile air conditioner test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220670232.8U CN217033059U (en) | 2022-03-26 | 2022-03-26 | Circuit system suitable for automobile air conditioner test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217033059U true CN217033059U (en) | 2022-07-22 |
Family
ID=82411905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220670232.8U Active CN217033059U (en) | 2022-03-26 | 2022-03-26 | Circuit system suitable for automobile air conditioner test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217033059U (en) |
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2022
- 2022-03-26 CN CN202220670232.8U patent/CN217033059U/en active Active
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