CN214565277U - Auxiliary brake device of heavy-duty car - Google Patents
Auxiliary brake device of heavy-duty car Download PDFInfo
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- CN214565277U CN214565277U CN202120812139.1U CN202120812139U CN214565277U CN 214565277 U CN214565277 U CN 214565277U CN 202120812139 U CN202120812139 U CN 202120812139U CN 214565277 U CN214565277 U CN 214565277U
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Abstract
The utility model discloses a heavy-duty car auxiliary brake device, which comprises an auxiliary brake pedal, an auxiliary air reservoir, an auxiliary brake master valve, a two-way check valve, a brake relay valve, a solenoid valve, an electronic pressure sensor, an air pressure display alarm unit, a brake chamber, a brake pipeline and a rocker switch; the electromagnetic valve comprises an auxiliary brake main valve electromagnetic valve and a front axle brake electromagnetic valve which are respectively used as an air source switch of the auxiliary brake main valve and a switch of front axle auxiliary brake; the rocker switch is used for controlling the on-off of the electromagnetic valve; the auxiliary brake pedal is connected with the auxiliary brake master valve, and the auxiliary air storage cylinder is used for storing compressed air for an auxiliary air source loop; the electronic pressure sensor is used for collecting air pressure signals of the auxiliary air source loop, and the air pressure display alarm unit is used for displaying the air pressure signals of the auxiliary air source loop collected by the electronic pressure sensor. The utility model discloses on the basis that does not change former car structure, with the parallelly connected installation of former car master brake control device, do not influence the normal assembly of former car braking system part.
Description
Technical Field
The utility model relates to a heavy-duty car braking system field, concretely relates to vice arresting gear of heavy-duty car.
Background
Heavy-duty car dead weight is great, and is required highly to braking system efficiency, and especially when being used for driver training as the learner-driven vehicle, when meetting emergency, the coach must control vice arresting gear, makes the vehicle in time slow down or stop to prevent the emergence incident. The prior auxiliary brake device is mainly controlled by a mechanical connecting rod directly or controlled by connecting an auxiliary brake master valve in parallel on a brake control loop, the auxiliary brake pedal is connected with a main brake pedal through a rod piece or a steel cable, when a coach treads the auxiliary brake pedal, the main brake pedal is controlled to work through the rod piece or the steel cable, the structure is inconvenient to install and inflexible to operate, and some vehicles are difficult to install or can not be installed due to the structure of the vehicles; the auxiliary brake master valve and the main brake master valve are installed in parallel, the working principle of the auxiliary brake and the working principle of the main brake are consistent, the installation is convenient, the auxiliary brake and the main brake are not influenced by the structure of the vehicle, but an anti-misoperation device is lacked, and when a passenger in a passenger seat does not have the qualification and the skill of a coach, a safety accident can be caused by mistakenly stepping on the auxiliary brake pedal.
SUMMERY OF THE UTILITY MODEL
The reliability to current heavy-duty car auxiliary brake device is low, be not convenient for the installation and influence the problem of former car braking system function, the utility model discloses a heavy-duty car auxiliary brake device, its detectable shows auxiliary circuit atmospheric pressure, low atmospheric pressure alarming function has, can be according to the timely manual closing of in-service use demand or open auxiliary brake system, when meetting sleet weather road wet and slippery, can manually close auxiliary brake front axle braking and only carry out auxiliary brake to the rear axle, guarantee vehicle stability of traveling, when gas leakage trouble appears in auxiliary brake main valve or pipeline, can close auxiliary brake main valve air intake solenoid valve, make auxiliary air source return circuit and main brake system still can normally work.
The utility model discloses a heavy-duty car auxiliary brake device, which comprises an auxiliary brake pedal, an auxiliary air reservoir, an auxiliary brake master valve, a two-way check valve, a brake relay valve, a solenoid valve, an electronic pressure sensor, an air pressure display alarm unit, a brake chamber, a brake pipeline and a rocker switch; the brake relay valve comprises a front axle brake relay valve and a rear axle brake relay valve; the brake air chamber comprises a rear axle brake air chamber and a front axle brake air chamber; the electromagnetic valve comprises an auxiliary brake main valve electromagnetic valve and a front axle brake electromagnetic valve which are respectively used as an air source switch of the auxiliary brake main valve and a switch of front axle auxiliary brake; the rocker switch is used for controlling the on-off of the electromagnetic valve and comprises a front axle brake rocker switch and an auxiliary brake rocker switch; the two-way check valve comprises a front axle two-way check valve and a rear axle two-way check valve; the auxiliary brake pedal is connected with an auxiliary brake master valve, the auxiliary air storage cylinder is used for storing compressed air for an auxiliary air source loop to use, the auxiliary brake master valve is a control device of the whole auxiliary brake system, and the brake air chamber is used for converting air pressure input by the brake air chamber into mechanical energy so as to enable a wheel brake of the heavy-duty car to generate a braking action; the electronic pressure sensor is used for acquiring an air pressure signal of the auxiliary air source loop, and the air pressure display alarm unit is used for displaying the air pressure signal of the auxiliary air source loop acquired by the electronic pressure sensor;
an air inlet of an upper cavity of the auxiliary brake master valve is connected with an auxiliary air storage cylinder through a brake pipeline, and an electronic pressure sensor and an auxiliary brake master valve electromagnetic valve are installed in the brake pipeline;
the air inlet of the lower cavity of the auxiliary brake master valve is connected with the other auxiliary air cylinder through a brake pipeline, and an electronic pressure sensor and an auxiliary brake master valve electromagnetic valve are installed in the brake pipeline;
the air outlets of the upper cavities of main brake master valves of the existing main brake control devices of the heavy-duty automobiles and auxiliary brake master valves of the auxiliary brake devices, namely the main brake master valves and the auxiliary brake master valves, are connected in series with a rear axle two-way one-way valve through brake pipelines, the air outlets of the rear axle two-way one-way valves are connected with a control port of a rear axle brake relay valve, and the rear axle brake relay valve is connected with a rear axle brake air chamber;
the main brake master valve of the existing main brake control device of the heavy-duty car and the auxiliary brake master valve of the auxiliary brake device, namely the main brake master valve and the auxiliary brake master valve, wherein the air outlets of lower cavities of the main brake master valve and the auxiliary brake master valve are connected in series with a front axle two-way one-way valve through a brake pipeline;
a front axle brake switch and an auxiliary brake switch are installed on an instrument desk of a cab of the heavy-duty car, and the two rocker switches are respectively connected with an auxiliary brake main valve electromagnetic valve and a front axle brake electromagnetic valve through leads;
the two electronic pressure sensors are connected with an air pressure display alarm unit arranged on an instrument desk of a cab of the heavy-duty car through wires;
the utility model discloses the device carries out parallel connection with the current main brake controlling means of heavy-duty car.
When a front axle brake rocker switch on a cab instrument board is in a pressed state, a front axle brake main valve electromagnetic valve cuts off a brake pipeline between an auxiliary brake main valve and a front axle two-way one-way valve;
when an auxiliary brake rocker switch on an instrument panel of a cab is in a pressed state, an electromagnetic valve of an auxiliary brake master valve cuts off a brake pipeline between the auxiliary brake master valve and an auxiliary air storage cylinder, the auxiliary brake master valve has no air source input, and an auxiliary brake device has no brake function.
The auxiliary brake pedal is installed on a floor in front of an auxiliary driver seat of the heavy-duty car, the auxiliary brake master valve is installed below the auxiliary brake pedal, the two-way check valve, the electromagnetic valve and the brake pipeline are all arranged at corresponding positions on the inner side of a frame of the heavy-duty car, and the electronic pressure sensor is installed on a three-way joint of the auxiliary brake master valve.
The technical scheme of the utility model be in the current two return circuits owner service braking system of heavy-duty car, increased one set and former parallelly connected arresting gear of car brake control device.
Compared with the prior art, the utility model beneficial effect who has does:
the utility model discloses an auxiliary brake device, under the condition that main brake does not implement, trample vice brake pedal and can effectually implement service brake to heavy type car. The utility model discloses on the basis that does not change former car structure, with the parallelly connected installation of former car master brake control device, do not influence the normal assembly of former car braking system part, can close vice braking or the selective vice brake function of front axle of closing through wane on-off control solenoid valve according to the vehicle usage scene, easy operation. The former car barometer only shows front and back brake circuit atmospheric pressure, the utility model discloses a supplementary air supply return circuit atmospheric pressure can be shown in real time to the atmospheric pressure display alarm unit, and atmospheric pressure can send buzzing alarm sound when crossing excessively. The performance inspection of the trial braking of the route, the utility model discloses braking distance, average deceleration and the braking stability of device are indiscriminate with former car main brake system. The utility model discloses be fit for adopting air brake's all kinds of heavy-duty car, especially learner-driven vehicle installation and use.
Drawings
Fig. 1 is a schematic view of the present invention applied to a brake system of a heavy-duty car.
FIG. 2 is a schematic diagram of a brake system for a heavy-duty vehicle.
Detailed Description
For a better understanding of the present invention, an example is given here.
As shown in fig. 1, the utility model discloses a heavy-duty car auxiliary brake device, which comprises an auxiliary brake pedal, an auxiliary air reservoir, an auxiliary brake master valve, a two-way check valve, a brake relay valve, an electromagnetic valve, an electronic pressure sensor, an air pressure display alarm unit, a brake chamber, a brake pipeline and a rocker switch; the brake relay valve comprises a front axle brake relay valve and a rear axle brake relay valve; the brake air chamber comprises a rear axle brake air chamber and a front axle brake air chamber; the electromagnetic valve comprises an auxiliary brake main valve electromagnetic valve and a front axle brake electromagnetic valve which are respectively used as an air source switch of the auxiliary brake main valve and a switch of front axle auxiliary brake; the rocker switch is used for controlling the on-off of the electromagnetic valve and comprises a front axle brake rocker switch and an auxiliary brake rocker switch; the two-way check valve comprises a front axle two-way check valve and a rear axle two-way check valve; the auxiliary brake pedal is connected with an auxiliary brake master valve, the auxiliary air storage cylinder is used for storing compressed air for an auxiliary air source loop to use, the auxiliary brake master valve is a control device of the whole auxiliary brake system, and the brake air chamber is used for converting air pressure input by the brake air chamber into mechanical energy so as to enable a wheel brake of the heavy-duty car to generate a braking action; the electronic pressure sensor is used for acquiring an air pressure signal of the auxiliary air source loop, and the air pressure display alarm unit is used for displaying the air pressure signal of the auxiliary air source loop acquired by the electronic pressure sensor;
an air inlet of an upper cavity of the auxiliary brake master valve is connected with an auxiliary air storage cylinder through a brake pipeline, and an electronic pressure sensor and an auxiliary brake master valve electromagnetic valve are installed in the brake pipeline;
the air inlet of the lower cavity of the auxiliary brake master valve is connected with the other auxiliary air cylinder through a brake pipeline, and an electronic pressure sensor and an auxiliary brake master valve electromagnetic valve are installed in the brake pipeline;
the air outlets of the upper cavities of main brake master valves of the existing main brake control devices of the heavy-duty automobiles and auxiliary brake master valves of the auxiliary brake devices, namely the main brake master valves and the auxiliary brake master valves, are connected in series with a rear axle two-way one-way valve through brake pipelines, the air outlets of the rear axle two-way one-way valves are connected with a control port of a rear axle brake relay valve, and the rear axle brake relay valve is connected with a rear axle brake air chamber;
the main brake master valve of the existing main brake control device of the heavy-duty car and the auxiliary brake master valve of the auxiliary brake device, namely the main brake master valve and the auxiliary brake master valve, wherein the air outlets of lower cavities of the main brake master valve and the auxiliary brake master valve are connected in series with a front axle two-way one-way valve through a brake pipeline;
a front axle brake switch and an auxiliary brake switch are installed on an instrument desk of a cab of the heavy-duty car, and the two rocker switches are respectively connected with an auxiliary brake main valve electromagnetic valve and a front axle brake electromagnetic valve through leads;
the two electronic pressure sensors are connected with an air pressure display alarm unit arranged on an instrument desk of a cab of the heavy-duty car through wires;
the utility model discloses the device carries out parallel connection with the current main brake controlling means of heavy-duty car.
When a front axle brake rocker switch on a cab instrument board is in a pressed state, a front axle brake main valve electromagnetic valve cuts off a brake pipeline between an auxiliary brake main valve and a front axle two-way one-way valve;
when an auxiliary brake rocker switch on an instrument panel of a cab is in a pressed state, an electromagnetic valve of an auxiliary brake master valve cuts off a brake pipeline between the auxiliary brake master valve and an auxiliary air storage cylinder, the auxiliary brake master valve has no air source input, and an auxiliary brake device has no brake function.
The auxiliary brake pedal is installed on a floor in front of an auxiliary driver seat of the heavy-duty car, the auxiliary brake master valve is installed below the auxiliary brake pedal, the two-way check valve, the electromagnetic valve and the brake pipeline are all arranged at corresponding positions on the inner side of the car frame, and the electronic pressure sensor is installed on a three-way joint of the auxiliary brake master valve.
The technical scheme of the utility model be in the current two return circuits owner service braking system of heavy-duty car, increased one set and former parallelly connected arresting gear of car brake control device.
The utility model discloses on the basis that does not change former car structure, with the parallelly connected installation of former car master brake control device that fig. 2 is shown, do not influence the function and the assembly of other assembly devices.
Fig. 1 is the utility model discloses be applied to heavy-duty car braking system's schematic diagram, wherein, 1 is vice main brake valve, 2 is main brake valve, 3 is front axle braking bi-pass check valve, 4 is rear axle braking bi-pass check valve, 5 is front axle braking relay valve, 6 is rear axle braking relay valve, 7 is the atmospheric pressure display alarm unit, 8 and 9 are electronic pressure sensor, 10, 11, 12 are the solenoid valve, 13 is front axle brake air chamber, 14 is rear axle brake air chamber.
Fig. 2 is a schematic diagram of a brake system of a heavy-duty vehicle, in which 1 is a master air brake valve, 2 is a front axle brake relay valve, 3 is a rear axle brake relay valve, 4 is a front axle brake air chamber, and 5 is a rear axle brake air chamber.
According to fig. 1, install the utility model discloses a heavy-duty car braking system of vice arresting gear when being used for braking, it specifically includes:
firstly, main brake main valve braking: compressed air from the front axle brake air cylinder enters the 2 nd air source interface of the main brake main valve on the one hand and is connected with the air source interface of the front axle brake relay valve on the other hand. When a driver steps on a main brake pedal, a main brake master valve is opened, compressed air enters a first air source interface of a two-way check valve of a front axle from a 2 nd air source interface of the main brake master valve, a valve core of the two-way check valve moves under the action of the compressed air, the compressed air is led to a control interface of a front axle brake relay valve from an air outlet of the two-way check valve, the front axle brake relay valve is opened, and the compressed air in a front axle brake air storage cylinder respectively enters a left driving brake air chamber and a right driving brake air chamber of the front axle. One path of compressed air from the rear axle air storage cylinder enters a 1 st air source interface of the main brake master valve, and the other path of compressed air is connected with an air source interface of the rear axle brake relay valve; when a driver steps on a main brake pedal, a main brake main valve is opened, compressed air enters a 1 st air source interface of a two-way check valve of the rear axle from a 1 st air outlet of the main brake main valve, a valve core of the two-way check valve moves under the action of the compressed air, the compressed air is communicated to a control interface of a rear axle brake relay valve from a 2-port of the two-way check valve, the rear axle brake relay valve is opened, and the compressed air in a rear axle brake air storage cylinder respectively enters a left brake air chamber and a right brake air chamber of the rear axle;
secondly, braking by the auxiliary brake main valve: compressed air from the auxiliary air storage cylinder enters a No. 2 air source interface of the auxiliary brake master valve through the electromagnetic valve, the electronic pressure sensor collects air pressure signals of an auxiliary air source loop, and the air pressure display alarm unit displays the air pressure signals of the auxiliary air source loop collected by the electronic pressure sensor. When the auxiliary brake pedal is in a treading state, the auxiliary brake master valve is opened, compressed air from the auxiliary air storage cylinder enters a 1 st air source interface of the front axle two-way one-way valve from a 2 nd air source interface of the auxiliary brake master valve, a valve core of the two-way one-way valve moves under the action of the compressed air, the compressed air is led to a control port of the front axle brake relay valve from an air outlet of the front axle two-way one-way valve, the front axle brake relay valve is opened, and the compressed air in the auxiliary air storage cylinder respectively enters a left brake air chamber and a right brake air chamber of a front axle through an air outlet of the front axle brake relay valve; compressed air from the auxiliary air storage cylinder enters a No. 1 air source interface of the auxiliary brake master valve through the electromagnetic valve, the electronic pressure sensor collects an air pressure signal of an auxiliary air source loop, and the air pressure display alarm unit displays the air pressure signal of the auxiliary air source loop collected by the electronic pressure sensor; when the auxiliary brake pedal is in a treading state, the auxiliary brake master valve is opened, compressed air enters a 1 st air source interface of the rear axle two-way one-way valve from a 1 st air outlet of the auxiliary brake master valve, a valve core of the two-way one-way valve moves under the action of the compressed air, the compressed air is communicated to a control port of the rear axle brake relay valve from the air outlet of the rear axle two-way one-way valve, the rear axle brake relay valve is opened, and the compressed air in the auxiliary air storage cylinder respectively enters a left brake air chamber and a right brake air chamber of the rear axle through the air outlet of the rear axle brake relay valve;
thirdly, closing auxiliary braking front axle braking; when a front axle brake rocker switch on a cab instrument board is in a pressed state, a front axle brake main valve electromagnetic valve cuts off a brake pipeline between an auxiliary brake main valve and a front axle two-way one-way valve, and at the moment, an auxiliary brake device is operated to only have a rear axle brake function;
fourthly, the main brake master valve and the auxiliary brake master valve act simultaneously; a master brake valve corresponding to a normally firstly-stepped brake pedal or a master brake valve with a large pedal stroke acts, and only when the main brake pedal and the auxiliary brake pedal are both lifted, the braking can be released;
fifthly, closing the auxiliary braking system; when an auxiliary brake rocker switch on an instrument panel of a cab is in a pressed state, an electromagnetic valve of an auxiliary brake master valve cuts off a brake pipeline between the auxiliary brake master valve and an auxiliary air storage cylinder, the auxiliary brake master valve has no air source input, and an auxiliary brake device has no brake function.
For the utility model discloses an installation of heavy-duty car auxiliary brake device, vice brake pedal installs on heavy-duty car's front of the passenger seat chair the place ahead floor, vice braking main valve is installed in vice brake pedal below, the bi-pass check valve, the solenoid valve, the brake pipe way all arranges in the inboard corresponding position of frame, electronic pressure sensor installs on the three way connection of vice braking main valve, the atmospheric pressure shows alarm unit and installs on vice driving the place ahead instrument desk, the position is reserved to the switch of wane switch mounting on the instrument board, operation and warning sign are installed in the striking position of instrument desk. The auxiliary air cylinder, the brake relay valve and the brake air chamber can be realized by the existing device of the heavy-duty car, and the installation positions of the auxiliary air cylinder, the brake relay valve and the brake air chamber are the same as the positions of the existing device of the heavy-duty car.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (5)
1. A heavy-duty car auxiliary brake device is characterized by comprising an auxiliary brake pedal, an auxiliary air storage cylinder, an auxiliary brake main valve, a two-way check valve, a brake relay valve, an electromagnetic valve, an electronic pressure sensor, an air pressure display alarm unit, a brake air chamber, a brake pipeline and a rocker switch; the brake relay valve comprises a front axle brake relay valve and a rear axle brake relay valve; the brake air chamber comprises a rear axle brake air chamber and a front axle brake air chamber; the electromagnetic valve comprises an auxiliary brake main valve electromagnetic valve and a front axle brake electromagnetic valve which are respectively used as an air source switch of the auxiliary brake main valve and a switch of front axle auxiliary brake; the rocker switch is used for controlling the on-off of the electromagnetic valve and comprises a front axle brake rocker switch and an auxiliary brake rocker switch; the two-way check valve comprises a front axle two-way check valve and a rear axle two-way check valve; the auxiliary brake pedal is connected with an auxiliary brake master valve, the auxiliary air storage cylinder is used for storing compressed air for an auxiliary air source loop to use, the auxiliary brake master valve is a control device of the whole auxiliary brake system, and the brake air chamber is used for converting air pressure input by the brake air chamber into mechanical energy so as to enable a wheel brake of the heavy-duty car to generate a braking action; the electronic pressure sensor is used for acquiring an air pressure signal of the auxiliary air source loop, and the air pressure display alarm unit is used for displaying the air pressure signal of the auxiliary air source loop acquired by the electronic pressure sensor;
an air inlet of an upper cavity of the auxiliary brake master valve is connected with an auxiliary air storage cylinder through a brake pipeline, and an electronic pressure sensor and an auxiliary brake master valve electromagnetic valve are installed in the brake pipeline;
the air inlet of the lower cavity of the auxiliary brake master valve is connected with the other auxiliary air cylinder through a brake pipeline, and an electronic pressure sensor and an auxiliary brake master valve electromagnetic valve are installed in the brake pipeline;
the air outlets of the upper cavities of main brake master valves of the existing main brake control devices of the heavy-duty automobiles and auxiliary brake master valves of the auxiliary brake devices, namely the main brake master valves and the auxiliary brake master valves, are connected in series with a rear axle two-way one-way valve through brake pipelines, the air outlets of the rear axle two-way one-way valves are connected with a control port of a rear axle brake relay valve, and the rear axle brake relay valve is connected with a rear axle brake air chamber;
the main brake master valve of the existing main brake control device of the heavy-duty car and the auxiliary brake master valve of the auxiliary brake device, namely the main brake master valve and the auxiliary brake master valve, wherein the air outlets of lower cavities of the main brake master valve and the auxiliary brake master valve are connected in series with a front axle two-way one-way valve through a brake pipeline;
a front axle brake switch and an auxiliary brake switch are installed on an instrument desk of a cab of the heavy-duty car, and the two rocker switches are respectively connected with an auxiliary brake main valve electromagnetic valve and a front axle brake electromagnetic valve through leads;
the two electronic pressure sensors are connected with an air pressure display alarm unit arranged on an instrument desk of a cab of the heavy-duty car through wires.
2. The auxiliary brake apparatus for a heavy-duty car according to claim 1, wherein the apparatus is connected in parallel with an existing main brake control apparatus of the heavy-duty car.
3. The auxiliary brake apparatus of a heavy-duty car according to claim 1, wherein when a front axle brake rocker switch on a cab instrument panel is in a pressed state, the front axle brake master valve solenoid valve cuts off a brake pipe between the auxiliary brake master valve and the front axle two-way check valve.
4. The auxiliary brake apparatus of claim 1, wherein when the auxiliary brake rocker switch of the dashboard of the cab is pressed, the main brake valve solenoid valve cuts off the brake line between the auxiliary brake valve and the auxiliary air reservoir, the main brake valve has no air supply input, and the auxiliary brake apparatus has no brake function.
5. The auxiliary brake apparatus of a heavy-duty car according to claim 1, wherein an auxiliary brake pedal is mounted on a floor in front of an auxiliary seat of the heavy-duty car, an auxiliary brake master valve is mounted below the auxiliary brake pedal, the two-way check valve, the solenoid valve and the brake pipe are disposed at corresponding positions inside a frame of the heavy-duty car, and the electronic pressure sensor is mounted on a three-way joint of the auxiliary brake master valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120812139.1U CN214565277U (en) | 2021-04-20 | 2021-04-20 | Auxiliary brake device of heavy-duty car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120812139.1U CN214565277U (en) | 2021-04-20 | 2021-04-20 | Auxiliary brake device of heavy-duty car |
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| Publication Number | Publication Date |
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| CN214565277U true CN214565277U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120812139.1U Active CN214565277U (en) | 2021-04-20 | 2021-04-20 | Auxiliary brake device of heavy-duty car |
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| CN (1) | CN214565277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987418A (en) * | 2022-06-17 | 2022-09-02 | 南京金龙客车制造有限公司 | Anti-false-stepping method and anti-false-stepping system for emergency braking of pure electric vehicle |
-
2021
- 2021-04-20 CN CN202120812139.1U patent/CN214565277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987418A (en) * | 2022-06-17 | 2022-09-02 | 南京金龙客车制造有限公司 | Anti-false-stepping method and anti-false-stepping system for emergency braking of pure electric vehicle |
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