CN214748566U

CN214748566U - Torque measuring device for automobile air conditioning box movement mechanism

Info

Publication number: CN214748566U
Application number: CN202121374024.5U
Authority: CN
Inventors: 王浩; 王大健
Original assignee: Nanjing Xiezhong Auto Airconditioner Company Co ltd
Current assignee: Xiezhong International Thermal Management System Jiangsu Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-16
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a torque measuring device for a movement mechanism of an automobile air conditioner box, which comprises a movement mechanism driving part of the automobile air conditioner box, wherein the movement mechanism driving part comprises a motor actuator, a motor bracket and a mode turntable; a spring shaft is arranged between the mode turntable and the motor actuator, two ends of the spring shaft are respectively connected with the mode turntable rotating shaft and the motor actuator output shaft, a torque sensor is arranged in the middle of the spring shaft, and the torque sensor is connected with a computer through a signal line. The torque measuring device can accurately measure the torque data transmitted to the mode turntable by the crank under the condition that each air door is subjected to ventilation load, the test torque data can directly derive a data format changing along with time, and the torque measuring device can be used for verifying the accuracy of a simulation result and also can be used for contrastive analysis of optimization scheme data in the later period.

Description

Torque measuring device for automobile air conditioning box movement mechanism

Technical Field

The utility model relates to a device of vehicle air conditioner case motion torque measurement for the accurate measurement of each air door and the change of mode carousel torque under the ventilation condition.

Background

The method for measuring the torque of the movement mechanism of the air conditioning box mainly comprises the following two methods:

1. adding a disc with a known radius at the center of the rotation driving, pulling the disc to rotate by using a string, testing the tension value of the string by using a tension meter, and multiplying the tension value by the radius to indirectly obtain torque change data;

2. the handheld electronic torque instrument is used for testing, the torque instrument equipment is connected with the rotation center of the mode disc, the movement mechanism works through the handheld rotation mode disc, and the torque change condition of the whole process is recorded through the torque instrument.

The current measuring method has the following defects: the data of the torque indirectly measured by the tension meter is inaccurate and is easily influenced by other factors such as rope sliding, turntable deviation and the like; when the handheld electronic torquemeter is operated, the speed of manual rotation is difficult to control at a constant speed, the concentricity of the rotation center of the torquemeter and the mode disc cannot be accurately ensured, and a curve graph of torque changing along with time cannot be output.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a vehicle air conditioner case motion torque measuring device can accurately record each air door and transmit the moment of torsion data on the mode carousel (or actuating motor) by the crank under receiving the ventilation load condition, and through the curve output of data conversion with the moment of torsion value change with time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a torque measuring device for a movement mechanism of an automobile air conditioner box comprises a movement mechanism driving part of the automobile air conditioner box, wherein the movement mechanism driving part comprises a motor actuator, a motor bracket and a mode turntable; the spring property shaft is arranged between the mode turntable and the motor actuator, two ends of the spring property shaft are respectively connected with the mode turntable rotating shaft and the motor actuator output shaft, the torque sensor is arranged in the middle of the spring property shaft, and the torque sensor is connected with a computer through a signal line.

Further, the bolerous shaft is an aluminum rod.

Furthermore, a plurality of supporting shafts are arranged between the motor actuator and the motor support, and two ends of each supporting shaft are respectively connected with the motor actuator shell and the motor support.

Further, the supporting shaft is an aluminum bar.

Further, the torque sensor is a strain gauge torque sensor.

Has the advantages that:

1) the mounting structure of the torque measuring device can ensure the concentricity of the output shaft of the motor actuator and the rotating shaft of the mode turntable, and reduce test errors;

2) the operation is simple, an additional driving mechanism is not needed, only an electric actuator and a controller of an original product are needed, and the transformation cost of the test tool is reduced;

3) the test torque data can directly derive a data format which changes along with time, can be used for verifying the accuracy of a simulation result, and can also be used for the comparative analysis of the optimization scheme data in the later period.

Drawings

FIG. 1 is a schematic structural diagram of a moving mechanism driving part of a conventional automobile air conditioning box;

FIG. 2 is a schematic structural view of the torque measuring device of the vehicle air-conditioning box movement mechanism of the present invention;

in the figure: 1-a motor actuator; 2-a motor bracket; 3-mode dial; 4-supporting the shaft; 5-bolete axis; 6-torque sensor.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses a vehicle air conditioner case motion torque measuring device, including vehicle air conditioner case's motion drive assembly, motion drive assembly includes motor actuator 1, motor support 2 and mode carousel 3, and motor actuator 1 is used for driving mode carousel 3 and rotates, and motor support 2 is used for supporting fixed motor actuator 1. A spring shaft 5 is arranged between the mode dial 3 and the motor actuator 1. The mode turntable 3 and the motor actuator 1 are pulled away by a certain distance through the spring shaft 5, one end of the spring shaft 5 is connected with a rotating shaft of the mode turntable 3, the other end of the spring shaft is connected with an output shaft of the motor actuator 1, a torque sensor 6 is arranged in the middle of the spring shaft 5, and the torque sensor 6 is connected with a computer through a signal line.

In the embodiment, the elastic shaft 5 is an aluminum bar, the length of the aluminum bar is 60cm, the elastic shaft 5 is in key connection with the rotating shaft of the mode turntable 3 and the output shaft of the motor actuator 1, the assembling and disassembling are convenient, and the torque sensor 6 is a strain gauge torque sensor. The torque measurement of the strain gauge sensor adopts a strain electric measurement technology. The elastic shaft is adhered with the strain gauge to form a measuring bridge, when the elastic shaft is slightly deformed by torque, the resistance value of the bridge changes, and the change of the resistance of the strain bridge is converted into the change of an electric signal, so that the torque measurement is realized.

In order to ensure the support stability of the motor support 2 for the motor actuator 1, a plurality of support shafts 4 are arranged between the motor actuator 1 and the motor support 2, each support shaft 4 is an aluminum rod, the length of each support shaft is matched with the spring shaft 5, one end of each support shaft 4 is fixedly connected with the shell of the motor actuator 1, and the other end of each support shaft is fixedly connected with the motor support 2.

During operation, the rotating shaft of the motor actuator 1 rotates, the mode dial 3 is driven to rotate by the elastic shaft 5 through different angles, the elastic shaft 5 is stressed to generate micro deformation, corresponding measurement data are generated through the torque sensor 6, and the data obtained through testing are transmitted to a computer through a signal line.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A torque measuring device for a movement mechanism of an automobile air conditioner box comprises a movement mechanism driving part of the automobile air conditioner box, wherein the movement mechanism driving part comprises a motor actuator (1), a motor bracket (2) and a mode turntable (3), the motor actuator (1) is used for driving the mode turntable (3) to rotate, and the motor bracket (2) is used for supporting and fixing the motor actuator (1); the method is characterized in that: a spring shaft (5) is arranged between the mode turntable (3) and the motor actuator (1), two ends of the spring shaft (5) are respectively connected with a rotating shaft of the mode turntable (3) and an output shaft of the motor actuator (1), a torque sensor (6) is arranged in the middle of the spring shaft (5), and the torque sensor (6) is connected with a computer through a signal line.

2. The torque measuring device of the vehicle air conditioner box movement mechanism according to claim 1, characterized in that: the elastic shaft (5) is an aluminum bar.

3. The torque measuring device of the vehicle air conditioner box movement mechanism according to claim 1, characterized in that: a plurality of supporting shafts (4) are arranged between the motor actuator (1) and the motor support (2), and two ends of each supporting shaft (4) are respectively connected with the shell of the motor actuator (1) and the motor support (2).

4. The device for measuring the torque of the movement mechanism of the air conditioner box of the automobile as claimed in claim 3, wherein: the supporting shaft (4) is an aluminum bar.

5. The torque measuring device of the vehicle air conditioner box movement mechanism according to claim 1, characterized in that: the torque sensor (6) is a strain gauge torque sensor.