CN211139302U - Caliper and automobile - Google Patents
Caliper and automobile Download PDFInfo
- Publication number
- CN211139302U CN211139302U CN201922124229.7U CN201922124229U CN211139302U CN 211139302 U CN211139302 U CN 211139302U CN 201922124229 U CN201922124229 U CN 201922124229U CN 211139302 U CN211139302 U CN 211139302U
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- calliper
- caliper
- friction
- sensor
- friction plate
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Abstract
The utility model provides a calliper and car, calliper includes: the electronic mechanical caliper comprises a motor controller, an electronic mechanical caliper and a connecting assembly for connecting the motor controller and the electronic mechanical caliper; electromechanical calliper includes calliper body, sets up motor-driven mechanism and friction disc on the calliper body, arranges one or more sensor on the friction disc, and the sensor includes at least: temperature sensors and pressure sensors. The utility model provides a structure of calliper is compacter, and can carry out the dynamic test of calliper, arranges on the friction disc through making pressure sensor and temperature sensor, makes the pressure that the friction disc received and the temperature signal of friction disc can feed back to machine controller to make machine controller realize closed-loop control to electronic machinery calliper, realized carrying out accurate control to the clamp force of calliper.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a calliper and car.
Background
In the prior art, the traditional hydraulic braking system is cancelled by the electronic mechanical calipers, electric energy is directly used as a braking energy source, a motor is used as a braking force source, and the electronic mechanical calipers have the advantages of simple structure, high response speed, easiness in integrating various control algorithms and the like.
Because the electronic mechanical calipers cancel hydraulic pressure, the clamping force of the actual calipers cannot be obtained by measuring pipeline pressure, the braking conditions are complex and changeable, and the ambient temperature, the state of the calipers, the abrasion of the friction plates and the like can influence the braking force.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model provides a calliper and car, the utility model provides a calliper's structure is compacter, and can carry out the dynamic test of calliper, arranges on the friction disc through making pressure sensor and temperature sensor, and the temperature signal of the pressure that makes the friction disc receive and friction disc can feed back to machine controller to make machine controller realize closed-loop control to electromechanical calliper, realized carrying out accurate control to the clamp force of calliper.
The utility model provides a calliper, include:
the electronic mechanical caliper comprises a motor controller, an electronic mechanical caliper and a connecting assembly for connecting the motor controller and the electronic mechanical caliper;
electromechanical calliper includes calliper body, sets up motor-driven mechanism and friction disc on the calliper body, arranges one or more sensor on the friction disc, and the sensor includes at least: temperature sensors and pressure sensors.
Further, the friction plate includes a friction plate back plate and a friction material, and the sensor is disposed between the friction plate back plate and the friction material.
In addition, an electronic circuit with one end connected with the sensor is arranged between the friction plate back plate and the friction material, the other end of the electronic circuit is connected with a connector terminal of the friction plate, and the connector terminal of the friction plate is connected with the connecting assembly.
In addition, a through hole is formed in the center of the friction plate back plate, a probe of the temperature sensor extends into the through hole, and the top end of the probe is close to the contact surface of the friction material and the friction plate back plate.
Further, the diameter of the through-hole was 1.5 mm.
In addition, the temperature sensor is fixed on the outer side of the back plate of the friction plate through solid glue.
Furthermore, a sensor signal processing unit is integrated within the motor controller.
Further, the sensor signal processing unit includes a pressure sensor signal processing unit and a temperature sensor signal processing unit.
The utility model provides an automobile, including as above arbitrary calliper.
Through adopting above-mentioned technical scheme, have following beneficial effect:
the utility model provides a structure of calliper is compacter, and can carry out the dynamic test of calliper, arranges on the friction disc through making pressure sensor and temperature sensor, makes the pressure that the friction disc received and the temperature signal of friction disc can feed back to machine controller to make machine controller realize closed-loop control to electronic machinery calliper, realized carrying out accurate control to the clamp force of calliper.
Drawings
Fig. 1 is a schematic structural diagram of a caliper according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a caliper according to an embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to specific embodiments and the attached drawings. It is intended that the present invention not be limited to the particular embodiments disclosed, but that the present invention will include all embodiments falling within the scope of the appended claims.
Referring to fig. 1, the utility model provides a caliper, include:
the electronic mechanical caliper comprises a motor controller 1, an electronic mechanical caliper 2 and a connecting assembly 6 for connecting the motor controller 1 and the electronic mechanical caliper 2;
the electromechanical caliper 2 comprises a caliper body 4, a motor drive mechanism 3 and a friction plate 5, which are arranged on the caliper body 4, one or more sensors are arranged on the friction plate 5, and the sensors at least comprise: temperature sensors and pressure sensors.
Calipers in the existing design are compact in design, the wheel end space is limited, and it is very difficult to arrange a traditional force sensor to the caliper end. In the prior art, when clamping force development and calibration are carried out on a caliper, a friction plate is taken out in a general method, and a pressure sensor is arranged between a caliper shell and a support by using an auxiliary tool, but the caliper cannot carry out dynamic test on the caliper by the method.
Therefore, in order to accurately control the clamping force of the caliper, the actual clamping force of the caliper needs to be measured as a control input, and then the accurate control of the clamping force of the caliper can be realized by adopting a closed-loop control mode.
The utility model discloses in through introducing temperature sensor and pressure sensor to make temperature sensor and pressure sensor arrange on friction disc 5, with the technical problem who arranges the calliper end ten minutes difficulty with traditional force sensor among the solution prior art, the utility model provides a more compact calliper structure.
Since the temperature of the friction plate 5 is a key parameter affecting the accurate control of the clamping force of the caliper, the temperature of the friction plate 5 needs to be measured and the temperature data introduced into the control algorithm in order to improve the level of accurate control of the clamping force. The temperature sensor detects the temperature of the friction plate 5 to form a temperature signal which is transmitted to the motor controller 1.
The pressure sensor is used for measuring the pressure applied to the friction plate 5, then the pressure signal is transmitted to the motor controller 1, a corresponding control algorithm is stored in the motor controller 1, the required clamping force under the current working condition is calculated according to the running parameter, the pressure signal and the temperature signal of the whole vehicle, the motor driving mechanism 3 drives the motor to rotate according to the required clamping force, and the caliper body 4 converts the motor torque into the caliper clamping force. Because motor controller 1 revises the demand clamp force according to actual temperature, compares actual clamp force and demand clamp force simultaneously, through motor controller 1 accommodate motor 3's control current, makes the output of calliper actual clamp force follow the output of demand clamp force, realizes carrying out closed-loop control to calliper clamp force.
Owing to receive space and structural limitation, the utility model discloses in arrange miniature pressure sensor on the friction disc, do not influence the original structure of calliper to can make calliper carry out calliper dynamic test. The temperature sensor is arranged on the friction plate, so that the actual brake temperature of the caliper can be conveniently obtained, the required clamping force can be corrected by applying a corresponding control algorithm, and the brake efficiency can be improved.
The utility model provides a structure of calliper is compacter, and can carry out the dynamic test of calliper, arranges on the friction disc through making pressure sensor and temperature sensor, makes the pressure that the friction disc received and the temperature signal of friction disc can feed back to machine controller 1 to make machine controller 1 realize closed-loop control to electromechanical calliper 2, realized carrying out accurate control to the clamp force of calliper.
In one embodiment, the friction plate 5 includes a friction plate back plate and a friction material, and the sensor is disposed between the friction plate back plate and the friction material. In order not to affect the original structure of the caliper, the sensor is arranged between the friction plate back plate and the friction material, and meanwhile, the sensor is firmly installed and protected by the friction material.
In one embodiment, an electronic circuit is arranged between the friction plate back plate and the friction material, one end of the electronic circuit is connected with the sensor, the other end of the electronic circuit is connected with a connector terminal of the friction plate 5, and the connector terminal of the friction plate is connected with a connecting component 6.
By arranging an electronic circuit between the friction plate back plate and the friction material, signals of the sensor can be transmitted to the motor controller 1, and by arranging a connector terminal on the friction plate 5, the connecting component 6 can be connected with the friction plate 5.
In one embodiment, a through hole is formed in the center of the friction plate back plate, a probe of the temperature sensor extends into the through hole, and the top end of the probe is close to the contact surface of the friction material and the friction plate back plate.
In order to enable the temperature sensor to better detect the temperature of the friction plate, a through hole is formed in the center of the back plate of the friction plate, a probe of the temperature sensor extends into the through hole, and the top end of the probe is close to the contact surface of the friction material and the back plate of the friction plate.
In one of the embodiments, the diameter of the through hole is 1.5 mm. The diameter of the through hole is 1.5mm according to the size of the probe of the temperature sensor
In one embodiment, the temperature sensor is fixed on the outer side of the back plate of the friction plate through solid glue. Through making the solid glue fix temperature sensor in the outside of friction disc backplate, can realize better fixed effect, can not cause mechanical damage to temperature sensor simultaneously.
In one of the embodiments, the motor controller 1 has a sensor signal processing unit integrated therein. The sensor signal processing unit is used for processing signals transmitted by the sensor.
Referring to fig. 2, a control process of the caliper in the present embodiment is explained. The clamping force sensor in fig. 2, herein the pressure sensor, functions to detect the magnitude of the force.
The motor controller 1 receives the running parameter signals of the whole vehicle through a communication network. The wire harness connected with the pressure sensor and the wire harness connected with the temperature sensor are directly connected with corresponding pins of the motor controller 1, and the sensor signal processing unit processes the pressure signal and the temperature signal and calculates the real-time caliper clamping force and the friction plate temperature. The motor controller 1 stores corresponding control algorithms, calculates the basic required braking force according to the input of a driver to a brake pedal and vehicle state parameters, and corrects the basic required braking force by combining the calculated caliper clamping force and the friction plate temperature to obtain the required braking force. The controller compares the actual braking force obtained by calculation with the required braking force, adjusts the control current for the motor 3 according to the difference, and adjusts the braking force output of the electronic mechanical caliper 2, so that the actual braking force follows the required braking force, thereby realizing the closed-loop control of the clamping force.
In one embodiment thereof, the sensor signal processing unit includes a pressure sensor signal processing unit and a temperature sensor signal processing unit. The received pressure and temperature signals are processed by a pressure sensor signal processing unit and a temperature sensor signal processing unit integrated in the motor controller 1.
Optionally, the motor controller 1 includes modules for controlling the motor, such as a power supply, a memory, an I/0 interface, and an operation box driver.
Optionally, the motor driving mechanism 3 is composed of a motor, a reduction gear set, a ball screw and an accessory component, and mainly functions to convert the rotary motion of the motor into the linear motion of the piston of the caliper, and simultaneously convert the torque of the motor into the clamping force of the caliper. The caliper body is composed of a housing, a bracket, a piston and accessories, is of a floating caliper type, and is a carrier for applying a clamping force to a brake disc.
Optionally, the connection assembly 6 is a wire harness and plug assembly.
Referring to fig. 1, the present invention further provides an automobile, including the caliper according to any one of the above embodiments.
The utility model provides a calliper on car's structure is compacter, and can carry out the dynamic test of calliper, arranges on the friction disc through making pressure sensor and temperature sensor, makes the pressure that the friction disc received and the temperature signal of friction disc can feed back to machine controller 1 to make machine controller 1 realize closed-loop control to electronic machinery calliper 2, realized carrying out accurate control to the clamp force of calliper.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (9)
1. A caliper, characterized by comprising:
the electronic mechanical caliper comprises a motor controller, an electronic mechanical caliper and a connecting assembly for connecting the motor controller and the electronic mechanical caliper;
electromechanical calliper includes calliper body, sets up motor-driven mechanism and friction disc on the calliper body, arranges one or more sensor on the friction disc, and the sensor includes at least: temperature sensors and pressure sensors.
2. Caliper according to claim 1,
the friction plate comprises a friction plate back plate and a friction material, and the sensor is arranged between the friction plate back plate and the friction material.
3. Caliper according to claim 2,
an electronic circuit with one end connected with the sensor is further arranged between the friction plate back plate and the friction material, the other end of the electronic circuit is connected with a connector terminal of the friction plate, and the connector terminal of the friction plate is connected with the connecting assembly.
4. Caliper according to claim 3,
the center of the friction plate back plate is provided with a through hole, a probe of the temperature sensor extends into the through hole, and the top end of the probe is close to the contact surface of the friction material and the friction plate back plate.
5. Caliper according to claim 4,
the diameter of the through hole is 1.5 mm.
6. Caliper according to claim 4,
and the temperature sensor is fixed on the outer side of the back plate of the friction plate through solid glue.
7. Caliper according to claim 1,
and a sensor signal processing unit is integrated in the motor controller.
8. Caliper according to any one of claims 1 to 7,
the sensor signal processing unit includes a pressure sensor signal processing unit and a temperature sensor signal processing unit.
9. An automobile, characterized in that it comprises a caliper according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124229.7U CN211139302U (en) | 2019-12-02 | 2019-12-02 | Caliper and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124229.7U CN211139302U (en) | 2019-12-02 | 2019-12-02 | Caliper and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211139302U true CN211139302U (en) | 2020-07-31 |
Family
ID=71753282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922124229.7U Active CN211139302U (en) | 2019-12-02 | 2019-12-02 | Caliper and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211139302U (en) |
-
2019
- 2019-12-02 CN CN201922124229.7U patent/CN211139302U/en active Active
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