CN211335932U - Compressed air brake block cooling system - Google Patents
Compressed air brake block cooling system Download PDFInfo
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- CN211335932U CN211335932U CN201920999888.2U CN201920999888U CN211335932U CN 211335932 U CN211335932 U CN 211335932U CN 201920999888 U CN201920999888 U CN 201920999888U CN 211335932 U CN211335932 U CN 211335932U
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- brake pad
- compressed air
- air
- brake
- cooling system
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Abstract
The embodiment of the utility model discloses compressed air brake block cooling system, include: the device comprises an inductor, a transmission mechanism, an air compressor, an air injection mechanism and a control system; the transmission mechanism is provided with a first gear and a second gear which are matched with each other and connected with a transmission shaft and an air compressor piston, and the transmission shaft drives the air compressor to work; the second gear is provided with an electromagnetic valve; when the sensor positioned at the bottom of the brake pedal receives a downhill brake signal, the control system controls the electromagnetic valve to be closed, and the compressor obtains kinetic energy from the transmission shaft through the transmission structure to enable the piston movement air injection mechanism to be started. The utility model discloses replace traditional water spray method cooling brake block, have better energy saving and emission reduction and economic benefits, practice thrift cost and energy.
Description
Technical Field
The utility model relates to an automobile brake technical field especially relates to a compressed air brake block cooling system.
Background
The automobile brake system, namely the brake which is commonly referred to by people, is the most important part on a vehicle, and the life safety is concerned. The weight of the truck is heavy, the inertia of the truck is also large, the brake is easy to overheat after long-time continuous braking in a downhill road section, and heat fading is generated when the temperature reaches a certain temperature, so that the braking effect becomes poor, even the brake fails, and the life and property safety is endangered. Therefore, the self load of the truck is reduced, the inertia is reduced, the braking difficulty is reduced, the problem that the brake pad of the truck is overheated to fail in a downhill road section is solved, and the safety performance of the truck is improved.
The traditional method for solving the problem of brake pad failure caused by overheating comprises the steps of arranging a water spraying and cooling device in a vehicle and arranging a water passing trough on a road. The former truck has heavy load, increases the oil consumption of the truck, is easy to freeze in winter under the working condition of low temperature to cause traffic accidents, is easy to damage the frame structure, and is also easy to cause the deformation, cracking and rusting of brake parts. The latter is limited by road conditions, not all roads are set and the brake system cannot be continuously cooled.
Therefore, the method cannot meet various requirements of overheating of the brake pad of the truck on the downhill road section.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a compressed air brake block cooling system prevents the emergence of brake block heat fade phenomenon, guarantees the freight train safety of traveling.
A compressed air brake pad cooling system comprising:
the device comprises an inductor, a transmission mechanism, an air compressor, an air injection mechanism and a control system;
the transmission mechanism is provided with a first gear and a second gear which are matched with each other and connected with a transmission shaft and an air compressor piston, and the transmission shaft drives the air compressor to work;
the second gear is provided with an electromagnetic valve;
when the sensor positioned at the bottom of the brake pedal receives a downhill brake signal, the control system controls the electromagnetic valve to be closed, and the compressor obtains kinetic energy from the transmission shaft through the transmission structure to enable the piston movement air injection mechanism to be started.
Preferably, the control system comprises:
brake block temperature detection module, information processing module and brake block cooling module, wherein:
the brake pad temperature detection module is configured to detect brake pad pressure information;
the information processing module is configured to process the signal and decide to output the signal;
and the brake pad cooling module is used for cooling the brake pad.
Preferably, the brake pad temperature detecting module includes:
the K-type thermocouple and the temperature sampling conversion chip are connected in sequence.
Preferably, the information processing module is a single chip microcomputer AT89C51, and the single chip microcomputer is connected with the temperature sampling conversion chip.
Preferably, the brake pad cooling module is implemented to cool the brake pad by controlling the cylinder to release gas using a solenoid valve.
Preferably, the P0.0 port of the single chip microcomputer is connected with the base electrode of the triode, the collector electrode is connected with the positive electrode of the storage battery power supply, the emitter electrode is connected with the coil of the electromagnetic valve, the coil of the electromagnetic valve is grounded, and the electromagnetic valve controls the cooling function of the brake pad to be executed.
Preferably, the air injection mechanism is provided with an air filter, and an injection pipe of the air injection mechanism is provided to each brake pad.
Preferably, the diameter of the inlet of the spray pipe is 3cm, the diameter of the outlet of the spray pipe is 2cm, and the spray pipe is opposite to the brake pad for spraying air at 90 degrees.
The utility model provides a compressed air brake block cooling system, through reasonable structural configuration, this system utilizes compressed air cooling brake block, replaces traditional water spraying method cooling brake block, improves car downhill path safe driving performance, reduces the freight train dead weight, increases carrying capacity, reduces the oil consumption, has better energy saving and emission reduction and economic benefits. The air source is wide, the infrastructure such as a water station is not needed, and the driving safety is ensured particularly in the driving process of mountainous areas. Furthermore, the power of the piston type air compressor comes from a transmission shaft of the truck, no additional auxiliary starting equipment is needed, and the cost and the energy are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural view of a compressed air brake pad cooling system disclosed in an embodiment of the present invention.
Fig. 2 is a schematic structural view of a control system of a compressed air brake pad cooling system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a processing module 12 of a compressed air brake pad cooling system according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model discloses compressed air brake block cooling system prevents the emergence of brake block heat fade phenomenon, guarantees the freight train safety of traveling.
Aiming at the problems of high temperature of a truck brake pad, heavy self weight of a water tank and insufficient water replenishing point of a road, the cooling mode of the drum type water-cooled brake pad which is commonly used at present is improved into an air-cooled mode, so that the self weight of the truck is reduced, the oil consumption is reduced, the water is saved, the energy conservation is realized, and the safety performance and the carrying capacity of the truck are further improved.
The system in the embodiment of the invention utilizes high-speed airflow to enhance convection heat transfer to take away the heat of the brake pad, thereby preventing the heat fading phenomenon of the brake pad. The system is integrally installed at the bottom of the truck, the occupied space is small, and the distance from the ground is large, so that the phenomenon that the system is scratched to cause damage in the running process of complex road conditions can be avoided. The piston compressor obtains kinetic energy from a truck transmission shaft through a gear transmission structure, and an electromagnetic valve is additionally arranged in the transmission structure to realize automatic control of the system. High-pressure air generated by the piston compressor is conveyed to the brake pad of each wheel through a pipeline, and then the high-pressure low-temperature gas is further pressurized and cooled by the shrinkage reducing spray pipe to take away the heat of the brake pad, so that the running safety of the truck is ensured.
FIG. 1 shows a compressed air brake pad cooling system comprising:
a compressed air brake pad cooling system comprising:
the device comprises a control system 1, an inductor 2, a transmission mechanism 3, an air compressor 4 and an air injection mechanism 5;
the transmission mechanism 3 is provided with a first gear 31 and a second gear 32 which are matched with each other and are connected with an automobile transmission shaft 5 and a piston of the air compressor 4, and the transmission shaft drives the air compressor 4 to work;
the second gear 32 is provided with an electromagnetic valve;
the automobile usually keeps a low speed in the downhill process, and the kinetic energy of the air compressor 4 is obtained through the transmission mechanism 3, so that the working requirement of the compressor can be met, and the energy-saving requirement can be met;
the transmission mechanism 3 drives the air compressor 4 to work, the first gear 31 and the second gear 32 are designed on the transmission mechanism 3 to be connected with the automobile transmission shaft 5 and the piston of the air compressor 4, so that the transmission mechanism can obtain a proper transmission ratio, and air with different compression conditions and different air pressures is generated under the condition that the rotating speed of the automobile transmission shaft 5 is different so as to meet the cooling requirements of the brake pad under different heating conditions.
The second gear 32 is provided with an electromagnetic valve to realize automatic control of the system. When the sensor at the bottom of the brake pedal receives a downhill brake signal of the truck, the control system 1 controls the electromagnetic valve to be closed, and the cooling system is started.
When the sensor positioned at the bottom of the brake pedal receives a downhill brake signal, the control system controls the electromagnetic valve to be closed, and the air compressor 4 obtains kinetic energy from the transmission shaft through the transmission structure to enable the piston movement air injection mechanism to be started.
The air compressor 4 obtains kinetic energy from a transmission shaft of the truck through the transmission mechanism 3 to enable the piston to move, and compresses air. Compressed high-pressure gas enters the pipeline through the valve by means of the pressure difference between the self pressure and the atmospheric pressure, and high-speed airflow is finally blown to the brake pad through the spray pipe in a further accelerating mode, so that the brake pad obtains a good cooling effect.
As shown in fig. 2, the control system includes:
brake block temperature detection module 11, information processing module 12 and brake block cooling module 13, wherein:
the brake pad temperature detection module 11 is configured to detect brake pad pressure information;
preferably, the brake pad temperature detecting module 11 includes:
the K-type thermocouple and the temperature sampling conversion chip are connected in sequence.
The information processing module 12 is configured to process the signal and decide to output the signal;
preferably, the information processing module 12 is a single chip microcomputer AT89C51, and the single chip microcomputer is connected to the temperature sampling conversion chip.
The brake pad cooling module 13 cools the brake pad.
Preferably, the brake pad cooling module 13 is implemented to cool the brake pad by controlling the cylinder to release gas using a solenoid valve.
Preferably, the information processing module 12 is a single chip microcomputer, a P0.0 port of the single chip microcomputer is connected to a base electrode of the triode, a collector electrode of the single chip microcomputer is connected to a positive electrode of a storage battery power supply, an emitter electrode of the single chip microcomputer is connected to a solenoid valve coil, the solenoid valve coil is grounded, and the solenoid valve controls the cooling function of the brake pad to be executed.
More specifically, see fig. 2:
when the brake pad normally works below a set temperature, the ports P0.0 and P0.1 of the single chip microcomputer are both low level; the system constantly monitors brake block temperature and the level of P0.1 mouth:
when the temperature of the brake pad is detected to be higher than a set value 1, a P0.0 port of the single chip microcomputer is changed from a low level to a high level, so that the triode is conducted, the electromagnetic valve is opened, and the brake pad starts to be cooled;
when the temperature of the brake pad is lower than a set value 2 (the set value 2 is smaller than a set value 1), the port P0.0 is changed into a low level, and cooling is stopped.
Preferably, the air injection mechanism is provided with an air filter 6, the nozzle of which is arranged at each brake pad.
The air gets into the compressor through air cleaner gets rid of road surface dust, gravel etc. and can damage the impurity of equipment, and the compressor obtains kinetic energy from the freight train transmission shaft through drive structure and makes the piston motion, compresses the air. After the clean air filtered by the air filter is compressed by the compressor to reach the required pressure, the clean air is conveyed to the spray pipes in front of the brake pads under the action of differential pressure through the electromagnetic valves.
Preferably, the diameter of the inlet of the spray pipe is 3cm, the diameter of the outlet of the spray pipe is 2cm, and the spray pipe is opposite to the brake pad for spraying air at 90 degrees.
The air flow simulation shows that the best cooling effect can be obtained when the spray pipe sprays air to the brake pad at 90 degrees. Through comprehensive calculation, the diameter of the inlet of the spray pipe is 3cm, the diameter of the outlet of the spray pipe is 2cm, and the installation requirement and the brake cooling requirement are met.
Through the above units and configurations, the embodiment of the invention can at least achieve the following technical effects:
1. the water storage tank with the weight of more than 500kg is removed, the self weight of the truck is reduced, the fuel consumption of the truck is reduced to a certain extent, the pollutant emission is effectively reduced, the working medium of the system is air, no extra energy supply is needed, and the energy-saving and emission-reducing concept is met.
2. The high-speed air flow refrigeration mode effectively solves the problem of rapid cooling of the overheated brake pad, reduces the potential safety hazard of the truck in the driving process, and improves the safety performance of the truck
3. Compared with other traditional solutions, the system has the best comprehensive performance and the highest safety performance, and is a novel system which is worthy of popularization.
In summary, the following steps:
the utility model provides a compressed air brake block cooling system, through reasonable structural configuration, this system utilizes compressed air cooling brake block, replaces traditional water spraying method cooling brake block, improves car downhill path safe driving performance, reduces the freight train dead weight, increases carrying capacity, reduces the oil consumption, has better energy saving and emission reduction and economic benefits. The air source is wide, the infrastructure such as a water station is not needed, and the driving safety is ensured particularly in the driving process of mountainous areas. Furthermore, the power of the piston type air compressor comes from a transmission shaft of the truck, no additional auxiliary starting equipment is needed, and the cost and the energy are saved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the embodiments of the invention. Thus, the present embodiments are not intended to be limited to the embodiments shown herein but are to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A compressed air brake pad cooling system, comprising:
the device comprises an inductor, a transmission mechanism, an air compressor, an air injection mechanism and a control system;
the transmission mechanism is provided with a first gear and a second gear which are matched with each other and connected with a transmission shaft and an air compressor piston, and the transmission shaft drives the air compressor to work;
the second gear is provided with an electromagnetic valve;
when the sensor positioned at the bottom of the brake pedal receives a downhill brake signal, the control system controls the electromagnetic valve to be closed, and the compressor obtains kinetic energy from the transmission shaft through the transmission structure to start the piston movement air injection mechanism.
2. The compressed air brake pad cooling system of claim 1, wherein the control system comprises:
brake block temperature detection module, information processing module and brake block cooling module, wherein:
the brake pad temperature detection module is configured to detect brake pad pressure information;
the information processing module is configured to process the signal and decide to output the signal;
and the brake pad cooling module is used for cooling the brake pad.
3. The compressed air brake pad cooling system of claim 2, wherein the brake pad temperature sensing module comprises:
the K-type thermocouple and the temperature sampling conversion chip are connected in sequence.
4. The compressed air brake pad cooling system of claim 3, wherein the information processing module is a single chip microcomputer AT89C51, and the single chip microcomputer is connected with the temperature sampling conversion chip.
5. The compressed air brake pad cooling system of claim 2, wherein the brake pad cooling module is embodied to cool the brake pad by controlling the cylinder to release gas using a solenoid valve.
6. The compressed air brake pad cooling system of claim 4, wherein the P0.0 port of the single chip microcomputer is connected to the base of the triode, the collector is connected to the positive electrode of the storage battery power supply, the emitter is connected to the solenoid valve coil, the solenoid valve coil is grounded, and the solenoid valve controls the brake pad cooling function to be executed.
7. A compressed air brake pad cooling system as claimed in claim 1 wherein the air injection means is provided with an air filter, the nozzle of said air injection means being provided to each brake pad.
8. The compressed air brake pad cooling system of claim 7, wherein the nozzle has an inlet diameter of 3cm and an outlet diameter of 2cm and jets at 90 ° to the brake pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999888.2U CN211335932U (en) | 2019-06-25 | 2019-06-25 | Compressed air brake block cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999888.2U CN211335932U (en) | 2019-06-25 | 2019-06-25 | Compressed air brake block cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN211335932U true CN211335932U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920999888.2U Expired - Fee Related CN211335932U (en) | 2019-06-25 | 2019-06-25 | Compressed air brake block cooling system |
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| Country | Link |
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| CN (1) | CN211335932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118418951A (en) * | 2024-07-04 | 2024-08-02 | 江苏盛海智能科技有限公司 | Unmanned vehicle disc brake heat dissipation control system |
-
2019
- 2019-06-25 CN CN201920999888.2U patent/CN211335932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118418951A (en) * | 2024-07-04 | 2024-08-02 | 江苏盛海智能科技有限公司 | Unmanned vehicle disc brake heat dissipation control system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20210625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |