CN106812840A - A kind of air-cooled drum-type mine car brake - Google Patents
A kind of air-cooled drum-type mine car brake Download PDFInfo
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- CN106812840A CN106812840A CN201510857550.XA CN201510857550A CN106812840A CN 106812840 A CN106812840 A CN 106812840A CN 201510857550 A CN201510857550 A CN 201510857550A CN 106812840 A CN106812840 A CN 106812840A
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Abstract
The invention discloses a kind of air-cooled drum-type mine car brake, including：Brake-shoe, friction plate, brake drum, the friction plate is on brake-shoe, the friction plate is located inside brake drum with brake-shoe, the brake-shoe is provided with pin, the pin is connected with the piston rod of wheel cylinder, the cylinder body of the wheel cylinder is fixed on pillar, the quantity of the wheel cylinder is 4, the pillar is fixed on back-plate, the back-plate is provided with air inlet pipe, blast pipe, the air inlet pipe is provided with air inlet fan, the air inlet of the air inlet fan is provided with filter, the outlet of the blast pipe is provided with butterfly valve, the butterfly valve is provided with electric control gear.It is an object of the invention to provide a kind of air-cooled drum-type mine car brake with many wheel cylinders, with automatic radiating system, with high temperature caution function, this brake has when long, braking successor so has preferable braking effect over long distances, to the function of the rapid discharge of heat after braking.
Description
Technical field
The present invention relates to drum-type mine car brake field, particularly a kind of air-cooled drum-type mine car brake.
Background technology
In various vehicles, brake has makes vehicle to brake application（Or movable machinery）Slow down, stop or keep the function such as halted state, the reliability of brake is most important to the safety driven a vehicle, factor is all the critical performance parameters of brake etc. the brake reaction time of reliability, brake, the braking distance of brake including brake.
Vehicle brake is generally divided into drum brake and disk brake, and in mine car field, what usual brake was used is all drum brake, and drum brake has the advantages that low cost, the smaller, braking ability that takes up space is outstanding, safeguard simple.Mine car is generally road conditions are poor, bending, travel on the road that ramp is long, the gradient is steep, brake can be often used in the process of moving, and the weight of mine car is big, at the same speed, inertia that mine car has is big, therefore reliability to brake has requirement very high with the braking effect of brake.It is individual in many traffic accidents, transfer loader, is all brake fade the reason for particularly mine car occurs accident, so as to cause driver injured or even death accident, some accidents also result in the accident that mine car knocks other vehicles, pedestrian or building, so as to expand the injured crowd of accident.
And be all mostly the temperature overheating due to brake the reason for cause drum brake to fail, because traditional drum brake is all closed, the heat that will can not be produced after braking well is discharged, the braking effect of drum brake can produce the phenomenon of serious decline because of braking effect, the brake rim of traditional drum brakes diameter after being heated can increase, and cause the stroke for stepping on brake pedal to increase, it is also easy to brake reaction situation not as expected, when the wheel cylinder of traditional drum brake breaks down, drum brake failure is also resulted in.
The content of the invention
For the deficiency that above-mentioned drum-type mine car brake is present, technical purpose of the invention is to provide a kind of air-cooled drum-type mine car brake with many wheel cylinders, with automatic radiating system, with high temperature caution function, this brake has when long, braking successor so has preferable braking effect over long distances, to the function of the rapid discharge of heat after braking.
The present invention is achieved through the following technical solutions：
A kind of air-cooled drum-type mine car brake, including：Brake-shoe, friction plate, brake drum, the friction plate is on brake-shoe, the friction plate is located inside brake drum with brake-shoe, the brake-shoe is provided with pin, the pin is connected with the piston rod of wheel cylinder, the cylinder body of the wheel cylinder is fixed on pillar, the quantity of the wheel cylinder is 4, the pillar is fixed on the back-plate on back-plate and is provided with air inlet pipe, blast pipe, the air inlet pipe is provided with air inlet fan, the outlet of the blast pipe is provided with butterfly valve, and the butterfly valve is provided with electric control gear.
Due to said structure, by being provided with four wheel cylinders on drum brake, avoid causing dangerous generation to lose control of one's vehicle in other wheel cylinders failure of mine car, each wheel cylinder can respectively be connected with brake pipe, also can two wheel cylinders share a brake pipes, by being provided with air inlet pipe and blast pipe on back-plate, so that when brake temperature is too high, brake can be radiated in time, and the butterfly valve that is provided with of outlet in blast pipe can avoid the dust of outside and liquid from entering into brake inside, the air inlet fan being provided with air inlet pipe can produce wind regime, the electric control gear that the butterfly valve is provided with enables to control butterfly valve to be possibly realized by ECU.
A kind of air-cooled drum-type mine car brake, the quantity of the brake-shoe is 2, and the brake-shoe is centrosymmetric arrangement, and the arc angle of the brake-shoe is 100 °~150 °.
Due to said structure, the quantity of the brake-shoe two, it is arranged symmetrically, can effectively coordinate with brake drum, form braking, the arc angle of the brake-shoe can form effective brake in 100 °~150 ° angular intervals, the arc angle of brake-shoe is bigger, the mantle friction area of friction plate is bigger, and friction plate use is more long, but must leave enough space mounting drainage plates.
A kind of air-cooled drum-type mine car brake, two return springs are provided between two brake-shoe, the two ends of described two return springs are connected with brake-shoe two ends respectively, described two return springs are parallel to each other, mounting distance d=L, the L between two return springs are the air line distance of brake-shoe two-end-point.
Due to said structure, there should be enough pulling force to the return spring being provided between brake-shoe so that brake-shoe return after braking, when non-brake, avoid and brake drum friction, in order that brake-shoe can accurate return, two return springs are parallel to each other, the mounting distance d=L between two springs, the accurate return of brake-shoe can either be caused, it is also possible to leave enough space mounting wheel cylinders.
A kind of air-cooled drum-type mine car brake, is provided with drainage plate at the air outlet of the air inlet pipe, the drainage plate is arc-shaped, and the center of circle of the drainage plate is concentric with brake drum, and the central angle of the drainage plate is 15 °~40 °, and the drainage plate is fixed on back-plate.
Due to said structure, by being provided with drainage plate on the back-plate at the air outlet of air inlet pipe, so that the air flowed into brake flows through along the orientation of brake-shoe, brake drum and brake strip can be radiated to greatest extent, drainage plate can not be too small, can not be too big, preferably at 15 °~40 °.
A kind of air-cooled drum-type mine car brake, the air inlet of the air inlet fan is provided with filter, and the air inlet fan is provided with electric control gear.
Due to said structure, the cleaning of wind regime can be kept by the filter being provided with the air inlet of air inlet fan, electric control gear is provided with air inlet fan so that ECU can be controlled to air inlet fan.
A kind of air-cooled drum-type mine car brake, the brake drum is externally provided with temperature measurer, pressure sensor is provided with the wheel cylinder, the temperature measurer is infrared thermometer, the pressure sensor, temperature measurer are connected by data wire with the ECU in mine car, the ECU is connected with display, and the ECU is connected with signal processor, and the signal processor is connected with the electric control gear that air inlet fan is provided with.
Due to said structure, hydraulic pressure in wheel cylinder can be in real time transmitted to ECU by the pressure sensor being provided with wheel cylinder, ECU understands that can wheel cylinder normal work by calculating, the infrared radiation thermometer being provided with can be not take up the space in brake drum, red is also contactless temperature-measuring for temperature measurer, temperature survey is simpler, it is convenient, the temperature signal that infrared radiation thermometer will be measured is transmitted to ECU, temperature signal is sent to display by ECU, display shows measured temperature, the signal command that ECU sends is sent to electric control gear after signal processor is changed, the opening/closing and rotating speed of air inlet fan is controlled with this.
A kind of air-cooled drum-type mine car brake, the infrared thermometer can be short-wave infrared temperature measurer, and the infrared radiation thermometer is Two-color Measure Thermometer, and the optimal wavelength of the infrared radiation thermometer is 0.8~1.0 μm.
Due to said structure, shortwave formula, double-colored temperature infrared radiation thermometer are set to by by infrared radiation thermometer, the optimal wavelength for measuring the infrared radiation thermometer of brake temperature is 0.8~1.0 μm so that measurement is more accurate.
A kind of air-cooled drum-type mine car brake, fuel injection pressure signal P in the wheel cylinder that the pressure sensor will be measured sends ECU to, the maximum Pmax of pressure is preset with the ECU, if P is more than Pmax, then the ECU is judged as that the oil pressure in wheel cylinder is excessive, and the ECU sends the information warning of display " braking oil pressure is excessive " printed words to display；During braking, if the oil pressure P in wheel cylinder is less than Pmin, the Pmin is minimum oil pressure value when braking, then the ECU is judged as that oil pipe pipeline is destroyed, and the ECU sends the information warning of display " brakes is dangerous " printed words to display；The temperature t that the infrared radiation thermometer is measured,The maximum temperature T that drum brake is capable of normal brake application is provided with the ECU,The temperature t that the infrared radiation thermometer will be measured is sent to ECU in real time with electric signal,The ECU carries out data processing after receiving the temperature signal of infrared radiation thermometer,If t≤T,Then ECU is judged as that drum brake being capable of normal work,ECU does not take any action,If t >=T,Then ECU is judged as that drum brake has the possibility of brake failure,Now drum brake temperature is too high,The ECU sends the signal command for opening air inlet fan to the electric control gear of air inlet fan,The treatment that the signal command passes through signal processor,The electric control gear of the air inlet fan opens air inlet fan after receiving the signal command of ECU,The rotating speed of the air inlet fan has four kinds of wind speed,If during 0 DEG C of 30 DEG C >=t-T ＞,The rotating speed of the air inlet fan is first grade,If during 30 DEG C of 80 DEG C >=t-T ＞,The rotating speed of the air inlet fan is second gear,If during 80 DEG C of 150 DEG C >=t-T ＞,The rotating speed of the air inlet fan is third gear,If during 150 DEG C of t-T ＞,The rotating speed of the air inlet fan is fourth speed；
After the drum brake cooling, during temperature t≤T that the infrared radiation thermometer is measured, then ECU is judged as that drum brake being capable of normal work to the ECU, the ECU sends the command signal for closing air inlet fan to the electric control gear of air inlet fan, the command signal is by being transmitted to the electric control gear of air inlet fan after the treatment of signal processor, after the electric control gear of the air inlet fan receives command signal, perform the order for closing air inlet fan, the ECU shows the brake temperature t for measuring in the display in real time, if in vehicle travel process, the continuous 2min of temperature t of the drum brake are maintained at more than 400 DEG C, then the ECU sends the information warning signal of display " brake is dangerous " to display, the display shows information warning.
Due to said structure, by being provided with pressure sensor in wheel cylinder, can in time know that can wheel cylinder or brake fluid pressure pipe normal work by ECU and display, the mine car brake temperature that will be measured by infrared radiation thermometer is sent to ECU, four kinds of temp-controled modes are provided with to brake in ECU, by the temperature for being capable of neatly control brake in four kinds of temp-controled modes, can in time by the temperature reduction of brake, and energy save energy, if the continuous 2min of temperature t of brake are maintained at more than 400 DEG C, then it is likely to cooling system faulty, cooling mode fails, driver can in time be notified, avoid the transmission of danger.
The beneficial effects of the invention are as follows:
1st, by being provided with four wheel cylinders so that in braking, even if wherein one or two wheel cylinder breaks down can also brake, the reliability of whole drum brake is increased, reduces the generation of dangerous situation；
2nd, by being provided with blast pipe and blast pipe on back-plate, and air inlet fan is provided with blast pipe so that brake can will brake rapidly the heat discharge for producing, and keep the continuation of good braking effect, increase the reliability of brake；
3rd, by being provided with the infrared thermography instrument, display, the hydrostatic sensor that are connected with ECU, so that brake fluid pressure is excessive or too small information can in time be informed into driver, the temperature in drum brake can accurately be controlled so that drum brake has good braking ability all the time.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Marked in figure：1 is brake-shoe, 2 is friction plate, 3 is brake drum, 4 is air inlet fan, 5 is return spring, 6 is wheel cylinder, 7 is drainage plate, 8 is air inlet pipe, 9 is blast pipe, 10 is air bleeding valve, 11 is pillar, 12 is pin, 13 is back-plate.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
A kind of air-cooled drum-type mine car brake as shown in Figure 1, including brake-shoe 1, friction plate 2, brake drum 3, air inlet fan 4, return spring 5, wheel cylinder 6, drainage plate 7, air inlet pipe 8, blast pipe 9, air bleeding valve 10, pillar 11, pin 12, back-plate 13, including：Brake-shoe 1, friction plate 2, brake drum 3, the friction plate 2 is on brake-shoe 1, the friction plate 2 is with brake-shoe 1 inside brake drum 3, the brake-shoe 1 is provided with pin 12, the pin 12 is connected with the piston rod of wheel cylinder 6, the cylinder body of the wheel cylinder 6 is fixed on pillar 11, the quantity of the wheel cylinder 6 is 4, the pillar 11 is fixed on back-plate 13, the back-plate 13 is provided with air inlet pipe 8, blast pipe 9, the air inlet pipe 8 is provided with air inlet fan 4, the air inlet of the air inlet fan 4 is provided with filter, the outlet of the blast pipe 9 is provided with butterfly valve, the butterfly valve is provided with electric control gear；
The quantity of the brake-shoe 1 is 2, the brake-shoe 1 is centrosymmetric arrangement, and the arc angle of the brake-shoe 1 is 100 °~150 °, is preferably set to 140 °, being set to 140 ° can either leave sufficient space to drainage plate 7 is installed, and also not interfere with the braking ability of brake；Two return springs 5 are provided between two brake-shoe 1, the two ends of described two return springs 5 are connected with the two ends of brake-shoe 1 respectively, described two return springs 5 are parallel to each other, and the mounting distance d=L, the L between two return springs 5 are the air line distance of the two-end-point of brake-shoe 1；Drainage plate 7 is provided with the air outlet of the air inlet pipe 8, the drainage plate 7 is arc-shaped, and the center of circle of the drainage plate 7 is concentric with brake drum 3, and the central angle of the drainage plate 7 is 15 °~40 °, drainage angle is preferably set to 25 °, and the drainage plate 7 is fixed on back-plate 13；The air inlet of the air inlet fan 4 is provided with filter, and the air inlet fan 4 is provided with electric control gear；Pressure sensor is provided with the wheel cylinder 6, the brake drum 3 is externally provided with temperature measurer, the temperature measurer is infrared thermometer, the temperature measurer, pressure sensor are connected by data wire with the ECU in mine car, the ECU is connected with display, the ECU is connected with signal processor, and the electric control gear that the signal processor is provided with air inlet fan 4 is connected；The infrared thermometer can be short-wave infrared temperature measurer, and the infrared radiation thermometer is Two-color Measure Thermometer, and the optimal wavelength of the infrared radiation thermometer is 0.8~1.0 μm, and described temperature measurer is preferably double-colored optic fiber thermometer；
The fuel injection pressure signal P in wheel cylinder 6 that the pressure sensor will be measured sends ECU to, the maximum Pmax of pressure is preset with the ECU, if P is more than Pmax, then the ECU is judged as that the oil pressure in wheel cylinder 6 is excessive, and the ECU sends the information warning of display " braking oil pressure is excessive " printed words to display；During braking, if the oil pressure P in wheel cylinder 6 is less than Pmin, the Pmin is minimum oil pressure value when braking, then the ECU is judged as that oil pipe pipeline is destroyed, and the ECU sends the information warning of display " brakes is dangerous " printed words to display；The temperature t that the infrared radiation thermometer is measured,The maximum temperature T that drum brake is capable of normal brake application is provided with the ECU,The temperature t that the infrared radiation thermometer will be measured is sent to ECU in real time with electric signal,The ECU carries out data processing after receiving the temperature signal of infrared radiation thermometer,If t≤T,Then ECU is judged as that drum brake being capable of normal work,ECU does not take any action,If t >=T,Then ECU is judged as that drum brake has the possibility of brake failure,Now drum brake temperature is too high,The ECU sends the signal command for opening air inlet fan 4 to the electric control gear of air inlet fan 4,The treatment that the signal command passes through signal processor,The electric control gear of the air inlet fan 4 opens air inlet fan 4 after receiving the signal command of ECU,The rotating speed of the air inlet fan 4 has four kinds of wind speed,If during 0 DEG C of 30 DEG C >=t-T ＞,The rotating speed of the air inlet fan 4 is first grade,If during 30 DEG C of 80 DEG C >=t-T ＞,The rotating speed of the air inlet fan 4 is second gear,If during 80 DEG C of 150 DEG C >=t-T ＞,The rotating speed of the air inlet fan 4 is third gear,If during 150 DEG C of t-T ＞,The rotating speed of the air inlet fan 4 is fourth speed,Because drum brake is generally when less than 350 DEG C,Braking effect is preferable,Therefore T is preferably set to 300 DEG C；
After the drum brake cooling, during temperature t≤150 DEG C that the infrared radiation thermometer is measured, the ECU is judged as that drum brake being capable of normal work, the ECU sends the command signal for closing air inlet fan 4 to the electric control gear of air inlet fan 4, the command signal is by being transmitted to the electric control gear of air inlet fan 4 after the treatment of signal processor, after the electric control gear of the air inlet fan 4 receives command signal, perform the order for closing air inlet fan 4, the ECU shows the brake temperature t for measuring in the display in real time, if in vehicle travel process, the continuous 2min of temperature t of the drum brake are maintained at more than 400 DEG C, then the ECU sends the information warning signal of display " brake is dangerous " to display, the display shows information warning.
The action process of mine car brake of the invention is：
1st, mine car driver brake pedal when mine car needs to slow down, so that braking fluid flows into wheel cylinder 6, piston in wheel cylinder 6 promotes brake-shoe 1 to be moved to brake drum 3, so that friction plate 2 presses brake drum 3 and producing friction and forming braking, loosened the brake in driver, braking fluid backflow, so that the piston in wheel cylinder 6 is retracted, in the presence of return spring, brake-shoe 1 is moved toward the direction away from brake drum 3, gap is produced between friction plate 2 and brake drum 3 so that brake is in non-brake state；
2nd, after the braking of long period, drum brake can produce substantial amounts of heat, in order that obtaining the braking effect that brake keeps good, brake be radiated in the following manner：Measured temperature signal is transmitted to by ECU by the temperature measuring set outside brake, ECU is by judging at temperature t >=300 DEG C, open air inlet fan 4 and air bleeding valve 10, so that being entered in drum brake from air inlet pipe 8 by the cryogenic gas that filter is filtered, under drainage by drainage plate 7, so that gap of the air for entering along between friction plate 2 and brake drum 3 is flowed through, brake cooling is discharged and caused from blast pipe 9, so that the temperature of whole brake is maintained in allowed band, during high temperature is discharged, also the impurity such as the chip of generation will be braked together to discharge；When t≤150 DEG C, the ECU sends the signal command for closing air inlet fan 4 and air bleeding valve 10, so that air inlet fan 4 is closed with air bleeding valve 10, when temperature t >=300 DEG C of the brake in braking procedure, air inlet fan 4 and air bleeding valve 10 from new opening, and then form the down cycles to brake, the braking for keeping brake good；When the fuel injection pressure signal P in the wheel cylinder 6 that the pressure sensor will be measured sends ECU to, the maximum Pmax of pressure is preset with the ECU, if P is more than Pmax, then the ECU is judged as that the oil pressure in wheel cylinder 6 is excessive, and the ECU sends the information warning of display " braking oil pressure is excessive " printed words to display；During braking, if the oil pressure P in wheel cylinder 6 is less than Pmin, the Pmin is minimum oil pressure value when braking, then the ECU is judged as that oil pipe pipeline is destroyed, and the ECU sends the information warning of display " brakes is dangerous " printed words to display.
Claims (8)
1. a kind of air-cooled drum-type mine car brake, including：Brake-shoe（1）, friction plate（2）, brake drum（3）, the friction plate（2）Located at brake-shoe（1）On, the friction plate（2）With brake-shoe（1）Located at brake drum（3）It is internal, it is characterised in that the brake-shoe（1）It is provided with pin（12）, the pin（12）With wheel cylinder（6）Piston rod be connected, the wheel cylinder（6）Cylinder body be fixed on pillar（11）On, the wheel cylinder（6）Quantity be 4, the pillar（11）It is fixed on back-plate（13）On, the back-plate（13）It is provided with air inlet pipe（8）, blast pipe（9）, the air inlet pipe（8）It is provided with air inlet fan（4）, the air inlet fan（4）Air inlet be provided with filter, the blast pipe（9）Outlet be provided with butterfly valve, the butterfly valve is provided with electric control gear.
2. air-cooled drum-type mine car brake according to claim 1, it is characterized in that, the brake-shoe（1）Quantity be 2, the brake-shoe（1）Be centrosymmetric arrangement, the brake-shoe（1）Arc angle be 100 °~150 °.
3. air-cooled drum-type mine car brake according to claim 2, it is characterized in that, two brake-shoe（1）Between be provided with two return springs（5）, described two return springs（5）Two ends respectively with brake-shoe（1）Two ends connect, described two return springs（5）It is parallel to each other, two return springs（5）Between mounting distance d=L, the L is brake-shoe（1）The air line distance of two-end-point.
4. air-cooled drum-type mine car brake according to claim 1, it is characterized in that, the air inlet pipe（8）Air outlet at be provided with drainage plate（7）, the drainage plate（7）It is arc-shaped, the drainage plate（7）The center of circle and brake drum（3）With one heart, the drainage plate（7）Central angle be 15 °~40 °, the drainage plate（7）It is fixed on back-plate（13）On.
5. air-cooled drum-type mine car brake according to claim 4, it is characterized in that, the air inlet fan（4）Air inlet be provided with filter, the air inlet fan（4）It is provided with electric control gear.
6. air-cooled drum-type mine car brake according to claims 1 to 5, it is characterized in that, the wheel cylinder（6）Inside it is provided with pressure sensor, the brake drum（3）It is externally provided with temperature measurer, the temperature measurer is infrared thermometer, the temperature measurer, pressure sensor are connected by data wire with the ECU in mine car, and the ECU is connected with display, and the ECU is connected with signal processor, the signal processor and air inlet fan（4）The electric control gear being provided with is connected.
7. air-cooled drum-type mine car brake according to claim 6, it is characterized in that, the infrared thermometer can be short-wave infrared temperature measurer, and the infrared radiation thermometer is Two-color Measure Thermometer, and the optimal wavelength of the infrared radiation thermometer is 0.8~1.0 μm.
8. air-cooled drum-type mine car brake according to claims 1 to 7, it is characterized in that, the wheel cylinder that the pressure sensor will be measured（6）Interior fuel injection pressure signal P sends ECU to, and the maximum Pmax of pressure is preset with the ECU, if P is more than Pmax, the ECU is judged as wheel cylinder（6）Interior oil pressure is excessive, and the ECU sends the information warning of display " braking oil pressure is excessive " printed words to display；During braking, if wheel cylinder（6）Interior oil pressure P is less than Pmin, and the Pmin is minimum oil pressure value when braking, then the ECU is judged as that oil pipe pipeline is destroyed, and the ECU sends the information warning of display " brakes is dangerous " printed words to display；The temperature t that the infrared radiation thermometer is measured, the maximum temperature T that drum brake is capable of normal brake application is provided with the ECU, the temperature t that the infrared radiation thermometer will be measured is sent to ECU in real time with electric signal, the ECU carries out data processing after receiving the temperature signal of infrared radiation thermometer, if t≤T, then ECU is judged as that drum brake being capable of normal work, ECU does not take any action, if t >=T, then ECU is judged as that drum brake has the possibility of brake failure, now drum brake temperature is too high, and the ECU is to air inlet fan（4）Electric control gear send open air inlet fan（4）Signal command, the treatment that the signal command passes through signal processor, the air inlet fan（4）Electric control gear receive the signal command of ECU after open air inlet fan（4）, the air inlet fan（4）Rotating speed have four kinds of wind speed, if during 0 DEG C of 30 DEG C >=t-T ＞, the air inlet fan（4）Rotating speed be first grade, if during 30 DEG C of 80 DEG C >=t-T ＞, the air inlet fan（4）Rotating speed be second gear, if during 80 DEG C of 150 DEG C >=t-T ＞, the air inlet fan（4）Rotating speed be third gear, if during 150 DEG C of t-T ＞, the air inlet fan（4）Rotating speed be fourth speed；
After drum brake cooling, during temperature t≤150 DEG C that the infrared radiation thermometer is measured, the ECU be judged as drum brake can normal work, the ECU is to air inlet fan（4）Electric control gear send close air inlet fan（4）Command signal, the command signal is by being transmitted to air inlet fan after the treatment of signal processor（4）Electric control gear, the air inlet fan（4）Electric control gear receive command signal after, perform close air inlet fan（4）Order, the ECU shows the brake temperature t for measuring in the display in real time, if in vehicle travel process, the continuous 2min of temperature t of the drum brake are maintained at more than 400 DEG C, then the ECU sends the information warning signal of display " brake is dangerous " to display, and the display shows information warning.
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| CN108006115B (en) * | 2017-11-03 | 2019-07-02 | 长安大学 | A kind of adjustable active heat removal drum brake |
| CN110886796A (en) * | 2018-09-11 | 2020-03-17 | 南京林业大学 | Truck drum type braking air cooling device |
| CN110425233A (en) * | 2019-07-22 | 2019-11-08 | 高邮市宏生制动器厂 | A kind of drum brakes with emergency braking structure |
| CN116022119A (en) * | 2023-01-09 | 2023-04-28 | 中国第一汽车股份有限公司 | Integrated device for brake system temperature early warning and active control and operation method thereof |
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Application publication date: 20170609 |
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