CN106627524A - Heavy-duty commercial vehicle brake micro liquid cooling device and control method thereof - Google Patents
Heavy-duty commercial vehicle brake micro liquid cooling device and control method thereof Download PDFInfo
- Publication number
- CN106627524A CN106627524A CN201611014715.8A CN201611014715A CN106627524A CN 106627524 A CN106627524 A CN 106627524A CN 201611014715 A CN201611014715 A CN 201611014715A CN 106627524 A CN106627524 A CN 106627524A
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- Prior art keywords
- brake
- heavy
- pressure gas
- commercial vehicle
- vehicle brake
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses a heavy-duty commercial vehicle brake micro liquid cooling device and a control method thereof. The device comprises a high-pressure gas pipeline, a liquid tank and a control system. One end of the high-pressure gas pipeline is connected with a high-pressure gas inlet, and a nozzle is arranged at the other end of the high-pressure gas pipeline and is close to a brake. A venturi is arranged on the high-pressure gas pipeline and communicates with a fine tube extending into the liquid tank. The control system controls high-pressure gas to enter the venturi along the high-pressure gas pipeline, differential pressure is formed between the venturi and the liquid tank, liquid in the liquid tank enters the venturi along the fine tube under the action of the differential pressure, and the liquid is sprayed to the brake along with the high-pressure gas from the nozzle after being atomized under the contraction action of the nozzle. Through the device and the control method thereof, the temperature of the vehicle brake is not increased, thus the hot water subsidence phenomenon does not occur when the heavy-duty commercial vehicle brake brakes for a long time.
Description
Technical field
The invention belongs to technical field of vehicle safety, more particularly, to a kind of cooling of heavy-duty commercial vehicle brake micro liquid
Device and its control method.
Background technology
In the prolonged braking procedure of heavy type commercial automobile, due to the brake drum of automotive brake it is mutual with brake
Rubbing action, brake can produce heat fading phenomenon, can so cause the failure of automotive brake, and serious traffic thing occurs
Therefore.If during automobile lower long slope, will necessarily be braked for a long time, so the heat fading phenomenon of brake necessarily can not
Avoid, but it is icy on road due at winter, causing to brake watering, so the law of correlation just auto Not Permitted descending
During carry out watering cooling.So the cooling of automotive brake is an important portion of current commercial-vehicle brake design
Point.
The content of the invention
It is an object of the invention to provide a kind of heavy-duty commercial vehicle brake micro liquid chiller and its control method,
When commercial-vehicle brake long-time is braked, the temperature that can make automotive brake is unlikely to raise and produce hot water and move back phenomenon.
The present invention preferably can lower the temperature to brake, it is therefore prevented that heat fading phenomenon, reduce vehicle accident.
To solve the above problems, the technical scheme that the present invention takes is：
A kind of heavy-duty commercial vehicle brake micro liquid chiller, including high-pressure gas pipeline, fluid box and control system
System；Described high-pressure gas pipeline one end is connected with pressurized gas inlet, and the other end is provided with nozzle, and nozzle sets near brake
Put；Venturi tube is provided with high-pressure gas pipeline, Venturi tube is connected with the tubule for stretching into the fluid box；Described control system
Including electromagnetic valve, controller and temperature sensor, electromagnetic valve is arranged on the entrance of high-pressure gas pipeline, temperature sensor collection
The temperature of brake, the open and close of the temperature control electromagnetic valve that controller is gathered according to temperature sensor.
Air filter is additionally provided with the entrance of high-pressure gas pipeline.
Described nozzle is contraction structure.
Described electromagnetic valve is bi-bit bi-pass electromagnetic gas valve.
Described controller adopts STC89C52 single-chip microcomputers.
Described fluid box is water tank..
A kind of control method based on heavy-duty commercial vehicle brake micro liquid chiller, including：
Control system controls gases at high pressure and enters Venturi tube along pressure duct, and Venturi tube is with forming pressure between fluid box
Difference, the liquid in fluid box is entered in Venturi tube in the presence of pressure reduction along tubule, the liquid under the contraction structure effect of nozzle
Brake is sprayed to from nozzle along with gases at high pressure after atomization, water formation high-pressure water mist is carried by gases at high pressure and brake is entered
Row cooling.
As a further improvement on the present invention, during brake operation, the temperature of temperature sensor real-time detection to brake,
And temperature signal is passed to into controller, when judging that the temperature is more than set threshold values, controller control electromagnetic valve is opened,
High-pressure gas pipeline is turned on；When judging that the temperature is less than threshold values, controller control closed electromagnetic valve, high-pressure gas pipeline is closed
Close.
Relative to prior art, the invention has the advantages that：
The micro liquid chiller of the present invention causes Venturi tube and water tank by arranging Venturi tube on high-pressure gas pipeline
Between produce and be pressed into, in the presence of pressure reduction, liquid is atomized into pipeline, is carried water by gases at high pressure and is formed water under high pressure
Mist is cooled down to brake.1. due to ejecting as water smoke, its vaporization effect is good, can preferably be lowered the temperature, and 2. presses
Jing after nozzle ejection, due to the unexpected expansion of volume, its interior energy is reduced gas after contracting, and temperature reduces by 10 DEG C or so, makes automobile
Ambient air temperature is reduced, and strengthens the radiating of convection of heat.3. gases at high pressure have very high speed Jing after nozzle ejection, strengthen
Radiating effect.4. it is water smoke due to what is sprayed, so there is no phenomenon of the current on road surface, prevents when temperature is relatively low, road surface
Freeze.So the present invention preferably can lower the temperature to brake, it is therefore prevented that heat fading phenomenon, vehicle accident is reduced.
The control method of the present invention is carried out in prolonged braking procedure in the brake of commercial car, by the air after compression
After liquid mixing, Jing nozzles are ejected in the brake drum of brake and brake, due to the gas-liquid two-phase fluid spray compressed
When going out, volume expands externally acting suddenly, consumes interior energy, can make the vapor-liquid temperature of room temperature and reduce by 10 DEG C or so, while high
Pressure gas stream is acted in brake, and water is also atomized and sprays in brake, and can so make the temperature of brake reduces.
Further, control method of the invention is by the temperature change on detection braking device, the temperature upper limit valve with setting
Value is compared, and then controls the open and close of electromagnetic valve, and then plays gases at high pressure and enter Venturi tube.Can see in real time
The temperature of brake is examined, preferably can be lowered the temperature to brake, it is therefore prevented that heat fading phenomenon, reduce vehicle accident.
Description of the drawings
The micro chiller result figures of Fig. 1；
Wherein, 1, pressurized gas inlet；2nd, electromagnetic valve；3rd, air filter；4th, water tank；5th, venturi tube；6th, nozzle；7th, make
Dynamic device；8th, temperature sensor；9th, controller；10th, signal line；11st, pressure duct.
Specific embodiment
The present invention is described in further details below in conjunction with accompanying drawing：
With reference to Fig. 1, the invention mainly comprises high-pressure gas pipeline 11, air filter 3, electromagnetic valve 2, water tank 4, nozzle 6,
Temperature sensor 8 and control system are constituted；High-pressure gas pipeline 11 is used to connect pressurized gas inlet and water tank 4, and water tank 4
With nozzle 6, the pipeline between pressurized gas inlet and water tank 4 is provided with air filter 3 and electromagnetic valve 2；
Control system includes the temperature sensor module 8 of the temperature for detection braking device, and for temperature signal
The controller 9 for being processed, and electromagnetic valve 2 constitutes.Described electromagnetic valve 2 is bi-bit bi-pass electromagnetic gas valve.Described control
Device 9 adopts STC89C52 single-chip microcomputers.
The present invention the specific course of work be：Pressure-air enters pipeline 11 from pressurized gas inlet 1, in commercial car
When carrying out long-time braking, temperature sensor 8 can detect the temperature of brake 7, and by this temperature transfer to controller 9,
Controller 9 can judge temperature that, when temperature is more than set threshold values, controller 9 can control two-position two-way solenoid valve 2
Open, now gases at high pressure enter Venturi tube 5, due to Venturi tube after the filtering of air filter 3 along pressure duct 11
Footpath mouth at 5 reduces suddenly, and air velocity is accelerated, and air pressure herein reduces, so a pressure reduction can be formed with water tank 4, at this moment,
In the presence of pressure reduction, the water in water tank 5 can be entered in Venturi tube 5 along pipeline, and is attached to the surface of pressure duct 11, in height
Calm the anger in the presence of body, flow at nozzle 6 along tube wall, be atomized under the contraction of nozzle 6 and along with compressed gas
Spray at a high speed.And when the temperature that temperature sensor 8 detects brake is less than threshold values, its control two-position two-way solenoid valve 2 is closed
Close, so, system is stopped work and made.
The present invention can be carried out in prolonged braking procedure in the brake of commercial car, by air and liquid after compression
After mixing, Jing nozzles are ejected in the brake drum of brake and brake, when being sprayed due to the gas-liquid two-phase fluid for compressing, body
Product expands externally acting suddenly, consumes interior energy, can make the vapor-liquid temperature of room temperature and reduce by 10 DEG C or so, while high pressure draught is made
For brake, and water is also atomized and sprays in brake, and can so make the temperature of brake reduces.
One embodiment of the present invention is the foregoing is only, is not all of or unique embodiment, this area is common
Any equivalent conversion that technical staff is taken technical solution of the present invention by reading description of the invention, is the present invention
Claim covered.
Claims (8)
1. a kind of heavy-duty commercial vehicle brake micro liquid chiller, it is characterised in that including high-pressure gas pipeline (11), liquid
Body case (4) and control system；Described high-pressure gas pipeline (11) one end is connected with pressurized gas inlet (1), and the other end is arranged
There is nozzle (6), nozzle (6) is arranged near brake (7)；Venturi tube (5), Venturi tube are provided with high-pressure gas pipeline (11)
(5) connect with the tubule for stretching into the fluid box (4)；Described control system includes electromagnetic valve (2), controller (9) and temperature
Sensor (8), electromagnetic valve (2) is arranged on the entrance of high-pressure gas pipeline (11), temperature sensor (8) collection brake (7)
Temperature, the open and close of the temperature control electromagnetic valve (2) that controller (9) is gathered according to temperature sensor (8).
2. heavy-duty commercial vehicle brake micro liquid chiller according to claim 1, it is characterised in that gases at high pressure
Air filter (3) is additionally provided with the entrance of pipeline (11).
3. heavy-duty commercial vehicle brake micro liquid chiller according to claim 1, it is characterised in that described spray
Mouth (6) is contraction structure.
4. heavy-duty commercial vehicle brake micro liquid chiller according to claim 1, it is characterised in that described electricity
Magnet valve (2) is bi-bit bi-pass electromagnetic gas valve.
5. heavy-duty commercial vehicle brake micro liquid chiller according to claim 1, it is characterised in that described control
Device (9) processed is using STC89C52 single-chip microcomputers.
6. heavy-duty commercial vehicle brake micro liquid chiller according to claim 1, it is characterised in that described liquid
Body case (4) is water tank.
7. a kind of control method of the heavy-duty commercial vehicle brake micro liquid chiller based on described in claim 1, it is special
Levy and be, including：
Control system controls gases at high pressure along pressure duct (11) into Venturi tube (5), Venturi tube (5) with fluid box (4) it
Between form pressure reduction, the liquid in fluid box (5) is entered in Venturi tube (5), in the receipts of nozzle (6) in the presence of pressure reduction along tubule
Brake (7) is sprayed to from nozzle (6) along with gases at high pressure after the lower liquid atomization of shrinking structure effect, by gases at high pressure water is carried
Form high-pressure water mist to cool down brake (7).
8. the control method based on heavy-duty commercial vehicle brake micro liquid chiller according to claim 7, it is special
Levy and be, when brake (7) works, the temperature of temperature sensor (8) real-time detection to brake (7), and temperature signal is passed
Controller (9) is passed, when judging that the temperature is more than set threshold values, controller (9) control electromagnetic valve (2) is opened, high pressure
Gas piping (11) is turned on；When judging that the temperature is less than threshold values, controller (9) control electromagnetic valve (2) is closed, high-pressure gas pipe
Road (11) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014715.8A CN106627524A (en) | 2016-11-15 | 2016-11-15 | Heavy-duty commercial vehicle brake micro liquid cooling device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014715.8A CN106627524A (en) | 2016-11-15 | 2016-11-15 | Heavy-duty commercial vehicle brake micro liquid cooling device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106627524A true CN106627524A (en) | 2017-05-10 |
Family
ID=58807625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611014715.8A Pending CN106627524A (en) | 2016-11-15 | 2016-11-15 | Heavy-duty commercial vehicle brake micro liquid cooling device and control method thereof |
Country Status (1)
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| CN (1) | CN106627524A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583545A (en) * | 2018-04-28 | 2018-09-28 | 长安大学 | A kind of the micro liquid cooling device and method of automotive brake heat fading |
| CN113619545A (en) * | 2021-09-23 | 2021-11-09 | 中国铁道科学研究院集团有限公司 | Air source device for railway vehicle and method for improving exhaust quality of air source device |
| CN114435331A (en) * | 2022-02-08 | 2022-05-06 | 浙江威佰科科技有限公司 | Special slow liquid-injection atomizer for automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008157386A (en) * | 2006-12-25 | 2008-07-10 | Toyota Motor Corp | Brake drum |
| CN104859606A (en) * | 2015-05-18 | 2015-08-26 | 潍柴动力股份有限公司 | Brake cooling method and brake cooling device |
| CN204748187U (en) * | 2015-06-08 | 2015-11-11 | 苏州昆仑重型装备制造有限公司 | Water smoke cooling and lubrication device for lathe |
| CN206427014U (en) * | 2016-11-15 | 2017-08-22 | 长安大学 | A kind of heavy-duty commercial vehicle brake micro liquid cooling device |
-
2016
- 2016-11-15 CN CN201611014715.8A patent/CN106627524A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008157386A (en) * | 2006-12-25 | 2008-07-10 | Toyota Motor Corp | Brake drum |
| CN104859606A (en) * | 2015-05-18 | 2015-08-26 | 潍柴动力股份有限公司 | Brake cooling method and brake cooling device |
| CN204748187U (en) * | 2015-06-08 | 2015-11-11 | 苏州昆仑重型装备制造有限公司 | Water smoke cooling and lubrication device for lathe |
| CN206427014U (en) * | 2016-11-15 | 2017-08-22 | 长安大学 | A kind of heavy-duty commercial vehicle brake micro liquid cooling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583545A (en) * | 2018-04-28 | 2018-09-28 | 长安大学 | A kind of the micro liquid cooling device and method of automotive brake heat fading |
| CN113619545A (en) * | 2021-09-23 | 2021-11-09 | 中国铁道科学研究院集团有限公司 | Air source device for railway vehicle and method for improving exhaust quality of air source device |
| CN114435331A (en) * | 2022-02-08 | 2022-05-06 | 浙江威佰科科技有限公司 | Special slow liquid-injection atomizer for automobile |
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