CN215752348U - Braking system of vehicle and vehicle with same - Google Patents
Braking system of vehicle and vehicle with same Download PDFInfo
- Publication number
- CN215752348U CN215752348U CN202120582459.2U CN202120582459U CN215752348U CN 215752348 U CN215752348 U CN 215752348U CN 202120582459 U CN202120582459 U CN 202120582459U CN 215752348 U CN215752348 U CN 215752348U
- Authority
- CN
- China
- Prior art keywords
- gas
- outlet
- air
- brake
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a vehicle braking system and a vehicle with the same, wherein the braking system comprises: the air storage cylinder is provided with an air outlet, a first air supplementing port and a second air supplementing port; the brake valve is provided with an air inlet and an air outlet, and the air inlet is communicated with the air outlet; the air compressor is communicated with the first air supplementing port to provide air for the air storage cylinder; the brake gas recovery assembly is used for pressing air exhausted by the brake valve into the air storage cylinder to recover brake gas. According to the vehicle braking system, exhaust gas discharged after braking can be recycled and replenished into the air storage cylinder, the working times and time of the air compressor are reduced, the cruising ability of the vehicle is further improved, and noise pollution caused by exhaust after braking can be reduced.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a braking system of a vehicle and the vehicle with the braking system.
Background
With the rapid increase of the total automobile holding capacity, the society enjoys great convenience and benefits brought by the automobile and automobile industries, and simultaneously bears social problems of energy consumption, environmental pollution, traffic jam and the like brought by the automobile and the automobile industries, thereby seriously restricting the sustainable development of the society.
In order to solve the problems of environmental pollution and the like, electric automobiles gradually become a new favorite in the automobile industry, the development of electric automobiles is an important step for enhancing the international competitiveness and influence of the automobile industry, and although the electric automobiles have long-term progress in the technology, some bottleneck problems still need to be solved urgently; insufficient cruising mileage, overlong charging time and the like. In a braking system, an electric air compressor is needed to be used for supplementing a braking air source in an electric air brake, the air compressor can work frequently or for a long time when braking is carried out frequently, the power of the air compressor is high, electric quantity loss can be caused when the air compressor works for a long time, and the mileage of an electric automobile is further influenced. The waste gas generated after braking needs to be discharged into the atmosphere, and certain noise is generated during discharging, so that certain noise pollution is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vehicle braking system, which can recycle exhaust gas discharged after braking, replenish the exhaust gas into an air storage cylinder again, reduce the working times and time of an air compressor, further increase the cruising ability of a vehicle, reduce noise pollution caused by exhaust after braking, and play an active role in promoting the improvement of the vehicle braking level.
The utility model also provides a vehicle with the brake system.
A braking system of a vehicle according to an embodiment of the present invention includes: the air storage cylinder is provided with an air outlet, a first air supplementing port and a second air supplementing port, and the air outlet, the first air supplementing port and the second air supplementing port are all communicated with an air storage space of the air storage cylinder; a brake valve having an air inlet and an air outlet, the air inlet communicating with the air outlet; an air compressor in communication with the first air make-up port to provide air to the air reservoir; the brake gas recovery assembly, the one end of brake gas recovery assembly with the gas vent intercommunication of brake valve, the other end of brake gas recovery assembly with second tonifying qi mouth intercommunication, the brake gas recovery assembly be used for with the air of brake valve exhaust is impressed in order to retrieve brake gas in the gas receiver.
According to the braking system of the vehicle, the braking gas recovery assembly is arranged, one end of the braking gas recovery assembly is communicated with the exhaust port of the braking valve, and the other end of the braking gas recovery assembly is communicated with the second air supplementing port, so that waste gas exhausted after braking can be recycled and replenished into the air storage cylinder, the working times and time of the air compressor are reduced, the cruising ability of the vehicle is improved, noise pollution caused by exhaust after braking can be reduced, and the braking level of the vehicle is promoted actively.
In some embodiments of the utility model, the brake gas recovery assembly comprises: one end of the recovery pipeline is communicated with the exhaust port of the brake valve, and the other end of the recovery pipeline is communicated with the second air supplementing port; the vacuum tank, the vacuum pump, the control valve and the gas compression device are sequentially connected in series on the recovery pipeline, the control valve is provided with an inlet, a first outlet and a second outlet, the inlet of the control valve is connected with the vacuum pump, the first outlet is connected with the gas compression device, the second outlet is communicated with the atmosphere, the control valve is provided with a first state and a second state, the first outlet is closed, and the second outlet is opened; in the second state, the first outlet is open and the second outlet is closed.
In some embodiments of the present invention, the gas compression device includes a stator, a rotor, and a vane, the stator has a mounting cavity, the rotor is connected to the vane and located in the mounting cavity, the rotor is eccentrically disposed, a plurality of vanes are arranged at intervals in a circumferential direction of the rotor, the stator is provided with an air inlet hole and an air outlet hole communicated with the mounting cavity, the air inlet hole is communicated with the first outlet, and the air outlet hole is communicated with the check valve.
In some embodiments of the utility model, the vanes are connected to the rotor by a resilient member that normally urges the vanes into abutment with the inner circumferential wall of the stator.
In some embodiments of the present invention, the gas compression device further comprises a seal end cap covering the open end of the stator, the seal end cap and the stator defining the mounting cavity therebetween, the seal end cap being removably coupled to the stator.
In some embodiments of the present invention, a main shaft of a driving motor of the vehicle is connected to one end of the rotor to rotate the blades, and the other end of the rotor is connected to a transmission shaft of the vehicle.
In some embodiments of the utility model, the brake gas recovery assembly further comprises: first detecting means for detecting whether a drive motor of the vehicle is running, the control valve being switched to the first state when the first detecting means detects that the drive motor is stalling; when the first detection device detects that the driving motor is operated, the control valve is switched to the second state.
In some embodiments of the present invention, a protection valve is further disposed on the recovery pipeline, the protection valve is connected between the brake valve and the vacuum tank, the protection valve has an air inlet end, a first air outlet end and a second air outlet end, the air inlet end is communicated with an air outlet of the brake valve, the first air outlet end is connected with the vacuum tank, the second air outlet end is communicated with the atmosphere, the protection valve has a first mode and a second mode, in the first mode, the first air outlet end is closed, and the second air outlet end is open; in the second mode, the first air outlet end is opened, and the second air outlet end is closed.
In some embodiments of the utility model, the brake system recovery assembly further comprises: second detecting means for detecting whether the vacuum pump is malfunctioning, the control valve being switched to the first mode when the second detecting means detects that the vacuum pump is malfunctioning; when the second detection device detects that the vacuum pump is normal, the control valve is switched to the second mode.
According to the embodiment of the utility model, the vehicle comprises the brake system.
According to the vehicle provided by the embodiment of the utility model, by arranging the braking system, the exhaust gas discharged after braking can be recycled and replenished into the air storage cylinder, the working times and time of the air compressor are reduced, the cruising ability of the vehicle is further improved, the noise pollution caused by the exhaust gas after braking can be reduced, and the positive promotion effect on the improvement of the braking level of the vehicle is achieved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is an air path schematic diagram of a braking system according to an embodiment of the present invention;
FIG. 2 is a control schematic of a braking system according to an embodiment of the present invention;
FIG. 3 is a schematic plan view of a partial structure of a gas compression device according to an embodiment of the utility model;
FIG. 4 is a schematic perspective view of a partial structure of a gas compression device according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a gas compression device according to an embodiment of the utility model, wherein a sealing end cap closes the open end of the stator.
Reference numerals:
a brake system 100;
an air cylinder 10; an air outlet 11; a first air supplement port 12; a second air supplement port 13;
a brake valve 20; a front axle brake valve 21; a rear axle brake valve 22; an air inlet 2 a; an exhaust port 2 b;
an air compressor 30;
a brake gas recovery assembly 40;
a recovery line 41; a check valve 42; a vacuum tank 43; a vacuum pump 44;
a control valve 45; an inlet 451; a first outlet 452; a second outlet 453;
a gas compression device 46; a stator 461; mounting chamber 4611; inlet ports 4612; outlet holes 4613; a rotor 462; leaf of Chinese character
A tab 463; an elastic member 4631; a compartment 46 a; a sealing end cap 464; a threaded fastener 465;
a protection valve 50; an air inlet end 51; a first outlet end 52; and a second outlet end 53.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.
A brake system 100 of a vehicle and a vehicle having the same according to an embodiment of the present invention will be described with reference to fig. 1 to 5. For example, the vehicle may be an electric vehicle and the braking system 100 is an electric pneumatic brake system.
Referring to fig. 5, a brake system 100 of a vehicle according to an embodiment of the present invention may include: the air cylinder 10, the brake valve 20, the air compressor 30 and the brake gas recovery assembly 40. For example, referring to FIG. 1, brake valve 20 may include a front axle brake valve 21 and a rear axle brake valve 22, it being understood that when front axle brake valve 21 is open, left front wheel brake exhaust and right front wheel brake exhaust of the vehicle may flow through front axle brake valve 21 to brake gas recovery assembly 40; when rear axle brake valve 22 is open, left and right rear wheel brake exhaust of the vehicle may flow through rear axle brake valve 22 to brake gas recovery assembly 40.
Referring to fig. 1, the air cylinder 10 has an air outlet 11, a first air supplement port 12 and a second air supplement port 13, the air outlet 11, the first air supplement port 12 and the second air supplement port 13 are all communicated with an air storage space of the air cylinder 10, the brake valve 20 has an air inlet 2a and an air outlet 2b, the air inlet 2a is communicated with the air outlet 11, the air compressor 30 is communicated with the first air supplement port 12 to provide air to the air cylinder 10, one end of the brake gas recovery assembly 40 is communicated with the air outlet 2b of the brake valve 20, the other end of the brake gas recovery assembly 40 is communicated with the second air supplement port 13, and the brake gas recovery assembly 40 is used for pressing the air exhausted from the brake valve 20 into the air cylinder 10 to recover the brake gas. For example, the brake gas recovery unit 40 may be a gas compressor such as an air compressor, as long as the brake gas recovery unit 40 can press the air discharged from the brake valve 20 into the air cylinder 10.
It can be understood that, in the process of vehicle driving, when the user steps on the braking, the brake valve 20 is opened to realize the braking, and the brake gas recovery assembly 40 can recycle the exhaust gas after the braking, replenishes the exhaust gas into the gas receiver 10 again, reduces the number of times and the time that the air compressor 30 works, and then increases the cruising ability of the vehicle, and can reduce the noise pollution caused by the exhaust gas after the braking, and play a positive promotion role in improving the vehicle braking level.
In view of this, according to the brake system 100 of the vehicle of the embodiment of the present invention, the brake gas recovery assembly 40 is disposed, one end of the brake gas recovery assembly 40 is communicated with the exhaust port 2b of the brake valve 20, and the other end of the brake gas recovery assembly 40 is communicated with the second air supplement port 13, so that the exhaust gas discharged after braking can be reused and replenished into the air reservoir 10, the number of times and time of operation of the air compressor 30 are reduced, the cruising ability of the vehicle is increased, the noise pollution caused by exhaust gas after braking can be reduced, and the improvement of the braking level of the vehicle is actively promoted.
In some embodiments of the present invention, and as illustrated with reference to FIG. 1, brake gas recovery assembly 40 comprises: the recovery pipeline 41, the vacuum tank 43, the vacuum pump 44, the control valve 45 and the gas compression device 46, for example, the recovery pipeline 41 may be a nylon pipe, one end of the recovery pipeline 41 is communicated with the exhaust port 2b of the brake valve 20, the other end of the recovery pipeline 41 is communicated with the second air supplement port 13, the recovery pipeline 41 is provided with the check valve 42, the check valve 42 is used for controlling the air exhausted by the brake valve 20 to flow into the second air supplement port 13 in a one-way manner, it can be understood that the air pressure in the air cylinder 10 is relatively high, and by providing the check valve 42, the gas in the air cylinder 10 can be prevented from flowing backwards to the gas compression device 46, which is beneficial to ensuring the reliability of the operation of the brake system 100.
Referring to fig. 1, a vacuum tank 43, a vacuum pump 44, a control valve 45 and a gas compression device 46 are connected in series in this order to the recovery line 41, the control valve 45 has an inlet 451, a first outlet 452 and a second outlet 453, the inlet 451 of the control valve 45 is connected to the vacuum pump 44, the first outlet 452 is connected to the gas compression device 46, the second outlet 453 is connected to the atmosphere, the control valve 45 has a first state in which the first outlet 452 is closed and the second outlet 453 is open; in the second state, the first outlet 452 is open and the second outlet 453 is closed. For example, the control valve 45 may be a solenoid valve, and signals are transmitted between the solenoid valve and a control device of the vehicle, so as to improve the intelligence of the operation of the brake system 100.
It can be understood that, when the vehicle is started, the vacuum pump 44 is started to make the vacuum tank 43 reach a certain degree of negative pressure, when the negative pressure in the vacuum tank 43 reaches a preset value, the vacuum pump 44 stops working, and when the gas compression device 46 does not operate, the control valve 45 can be switched to the first state, that is, the first outlet 452 is controlled to be closed, the second outlet 453 is controlled to be opened, so that the brake gas pumped by the vacuum pump 44 can be smoothly exhausted to the atmosphere through the second outlet 453 of the control valve 45;
after the brake gas recovery assembly 40 is normally driven and brakes, the brake valve 20 discharges gas, so that the interior of the vacuum tank 43 is in a negative pressure state, the gas discharged from the brake valve 20 can smoothly reach the vacuum tank 43, the pressure in the vacuum tank 43 is increased due to the gas entering the vacuum tank 43, the vacuum pump 44 detects that the vacuum degree is reduced and starts again, the gas in the vacuum tank 43 is pumped out, when the gas compression device 46 works, the control valve 45 can be switched to the second state, namely the first outlet 452 is opened, the second outlet 453 is closed, the gas is compressed by the gas compression device 46, and the compressed gas is conveyed back to the gas storage cylinder 10 through the check valve 42 to be used as supplement of a gas source, so that the recovery of the brake gas is safe and reliable, and the potential safety hazard is reduced.
In some embodiments of the present invention, as shown in fig. 3 to 5, the gas compression device 46 includes a stator 461, a rotor 462 and a blade 463, the stator 461 has a mounting chamber 4611, the rotor 462 is connected with the blade 463 and located in the mounting chamber 4611, the rotor 462 is eccentrically located, in other words, the central axis of the rotor 462 is not on the same straight line with the central axis of the stator 461, a plurality of blades 463 are arranged at intervals in the circumferential direction of the rotor 462, the stator 461 is provided with an air inlet hole 4612 and an air outlet hole 4613 communicated with the mounting chamber 4611, the air inlet hole 4612 is communicated with the first outlet 452 (refer to fig. 1), and the air outlet hole 4613 is communicated with the check valve 42. For example, the distance between the central axis of the rotor 462 to the inlet holes 4612 is greater than the distance between the central axis of the rotor 462 to the outlet holes 4613. Therefore, the gas compression effect of the gas compression device 46 can be ensured, the structure of the gas compression device 46 can be simple, and the production cost can be reduced.
In some embodiments of the present invention, referring to fig. 4, the blade 463 and the rotor 462 are connected by an elastic member 4631, and the elastic member 4631 always pushes the blade 463 to abut against the inner circumferential wall of the stator 461. For example, the elastic member 4631 is a spring, the rotor 462 is provided with a mounting groove, the spring is fixed in the mounting groove, and the spring is in a compressed state so that the spring always pushes the blade 463 to abut against the inner peripheral wall of the stator 461 during the rotation of the blade 463. It will be appreciated that the adjacent two blades 463 define a compartment 46a therebetween, and the elastic member 4631 can keep the blades 463 in contact with the inner wall of the stator 461 at all times by the elastic action, so as to maintain the sealing performance of each compartment 46a, thereby improving the working efficiency of the gas compression device 46.
In some embodiments of the present invention, and as shown with reference to fig. 4 and 5, the gas compression device 46 further includes a sealing end cap 464, the sealing end cap 464 covering the open end of the stator 461, the sealing end cap 464 and the stator 461 defining a mounting chamber 4611 therebetween, the sealing end cap 464 being removably coupled to the stator 461. Thereby, the mounting and dismounting of the gas compression device 46 is facilitated.
For example, the sealing cover 464 is connected with the stator 461 through the threaded fastener 465, and it is understood that the threaded fastener 465 has the advantages of simple structure and easy assembly, and the tight connection of the sealing cover 464 and the stator 461 can be realized through the threaded fastener 465. In addition, the cost can be reduced while the connecting strength between the sealing cover 464 and the stator 461 is ensured. Alternatively, the threaded fasteners 465 may be screws, bolts, or studs.
In some embodiments of the present invention, as shown with reference to fig. 3-5, the main shaft of the drive motor is connected to one end of the rotor 462 to rotate the blade 463, and the other end of the rotor 462 is connected to the drive shaft of the vehicle. For example, the gas compression device 46 adopts the main structure of a vane type air compressor, a stator 461 is fixed on a frame beam of a vehicle through a bracket, one end of a rotor 462 is connected with a main shaft of a driving motor, the other end of the rotor 462 is connected with a transmission shaft of the vehicle, when the driving motor is started, the rotor 462 rotates to drive a vane 463 to rotate, the center of the vane 463 and the rotor 462 is provided with a spring, the spring makes the vane 463 contact with the inner peripheral wall of the stator 462 through elastic action to maintain the tightness of each compartment 46a, gas exhausted by a vacuum pump 44 enters a mounting cavity 4611 of the stator 461 from an air inlet hole 4612, compressed gas is exhausted from an air outlet hole 4613 after the vane 463 rotates for one circle, the air outlet hole 4613 is connected with a one-way valve 42, and the compressed gas enters an air storage cylinder 10 through the one-way valve 42 to complete the circulation of the gas. It can be understood that the rotor 462 can be driven by the driving motor to rotate to compress the gas, and a driving device is not needed to drive the rotor 462 to rotate, so that the energy efficiency is low, and the production cost and the practical cost are reduced.
In some alternative embodiments of the present invention, as illustrated with reference to fig. 1 and 2, the brake gas recovery assembly 40 further comprises: first detecting means (not shown) for detecting whether the drive motor of the vehicle is running, the control valve 45 being switched to the first state when the first detecting means detects that the drive motor is stopped; when the first detection means detects that the drive motor is operating, the control valve 45 is switched to the second state. The first detection device and the control device of the vehicle transmit signals, thereby being beneficial to realizing the intellectualization of the brake system 100.
It can be understood that, when the vehicle is started, the vacuum pump 44 is started to make the vacuum tank 43 reach a certain degree of negative pressure, when the negative pressure in the vacuum tank 43 reaches a preset value, the vacuum pump 44 stops working, and if the driving motor of the vehicle does not rotate, the control valve 45 can be switched to the first state, that is, the first outlet 452 is closed, and the second outlet 453 is opened, so that the brake gas pumped out by the vacuum pump 44 can be smoothly discharged through the second outlet 453 of the control valve 45; after the brake gas recovery assembly 40 is normally driven and brakes, the brake valve 20 discharges gas, so that the inside of the vacuum tank 43 is in a negative pressure state, the discharged gas can smoothly reach the vacuum tank 43, the pressure inside the vacuum tank 43 is increased due to the gas entering the vacuum tank 43, the vacuum pump 44 detects that the vacuum degree is reduced and starts again, the gas in the vacuum tank 43 is pumped out, at this time, the control valve 45 is in a second state due to the rotation of the driving motor spindle, the first outlet 452 leading to the gas compression device 46 is opened, the second outlet 453 leading to the atmosphere is closed, the gas is compressed by the gas compression device 46, and the compressed gas is conveyed back to the gas storage cylinder 10 through the check valve 42 to be used as supplement of a gas source, so that the control of the brake gas recovery assembly 40 is simple, and the reliability is high.
In some embodiments of the present invention, referring to fig. 1, the recycling line 41 is further provided with a protection valve 50, the protection valve 50 is connected to the brake valve 20 and the vacuum tank 43, the protection valve 50 has an air inlet end 51, a first air outlet end 52 and a second air outlet end 53, the air inlet end 51 is communicated with the exhaust port 2b of the brake valve 20, the first air outlet end 52 is connected to the vacuum tank 43, the second air outlet end 53 is communicated with the atmosphere, and the protection valve 50 has a first mode and a second mode, in the first mode, the first air outlet end 52 is closed, and the second air outlet end 53 is open; in the second mode, the first outlet port 52 is open and the second outlet port 53 is closed. For example, the protection valve 50 may be a solenoid valve, and the protection valve 50 transmits a signal to a control device of the vehicle. It will be appreciated that by providing the protection valve 50, brake gas can be selectively bled to atmosphere or to the vacuum reservoir 43, thereby ensuring that brake gas is still vented in the event of the brake gas recovery assembly 40.
In some embodiments of the present invention, brake gas recovery assembly 40 further comprises: the second detection device is used for detecting whether the vacuum pump 44 fails or not, and when the second detection device detects that the vacuum pump 44 fails, the control valve 45 is switched to the first mode, and meanwhile, the instrument of the vehicle can report the failure; when the second detection means detects that the vacuum pump 44 is normal, the control valve 45 is switched to the second mode. It can be understood that the second detection device has signal transmission with the control system of the vehicle, when the second detection device detects that the vacuum pump 44 is out of order, the protection valve 50 is switched to the first mode, that is, the first gas outlet 52 to the vacuum pump 44 is closed, and the second gas outlet 53 to the atmosphere is opened, so that the brake gas can be discharged smoothly in case of damage to the vacuum pump 44, which is beneficial to ensure the reliability of the operation of the brake gas recovery assembly 40, when the brake gas recovery assembly 40 is out of order, the protection valve 50 is switched to the second mode, the first gas outlet 52 to the vacuum tank 43 is opened, the second gas outlet 53 to the atmosphere is closed, the gas discharged from the brake valve 20 can flow to the vacuum tank 43 through the protection valve 50, because the gas enters the vacuum tank 43 to cause the pressure in the vacuum tank 43 to increase, the vacuum pump 44 detects that the vacuum degree decreases and starts again, the gas in the vacuum tank 43 is pumped out, when the gas compression device 46 works, the control valve 45 is switched to the second state, namely the first outlet 452 is opened and the second outlet 453 is closed, the gas is compressed by the gas compression device 46 and is conveyed back to the gas storage cylinder 10 through the check valve 42 after being compressed to be used as the supplement of a gas source, so that the recovery of the brake gas is safe and reliable, and the potential safety hazard is reduced.
The vehicle according to the embodiment of the present invention includes the brake system 100 according to the above-described embodiment of the present invention. Therefore, by arranging the braking system 100 according to the above embodiment of the present invention, the exhaust gas discharged after braking can be recycled and replenished into the air reservoir 10, the number of times and time for operating the air compressor 30 are reduced, the cruising ability of the vehicle is increased, the noise pollution caused by the exhaust gas after braking can be reduced, and the improvement of the braking level of the vehicle is positively promoted.
For example, in some examples, as shown with reference to FIG. 2, the vehicle may be controlled as follows:
powering up the whole vehicle;
detecting whether the vacuum pump 44 is in fault, and when the second detection device detects that the vacuum pump 44 is in fault, switching the protection valve 50 to the first mode, namely opening the first air outlet end 52 leading to the vacuum tank 43 and closing the second air outlet end 53 leading to the atmosphere, so as to ensure that the brake gas can still be smoothly discharged under the condition that the vacuum pump 44 is in failure; when the second detection means detects that the vacuum pump 44 is not malfunctioning, the protection valve 50 switches to the second mode, i.e., the first outlet port 52 to the vacuum tank 43 is closed and the second outlet port 53 to the atmosphere is opened, so that the gas in the protection valve 50 can flow to the vacuum tank 43;
detecting whether a driving motor of the vehicle is running, and when the first detecting means detects that the driving motor is not running, switching the control valve 45 to the first state, namely controlling the first outlet 452 to be closed and the second outlet 453 to be opened, so that the brake gas pumped out by the vacuum pump 44 can be smoothly discharged to the atmosphere through the second outlet 453 of the control valve 45; when the first detection device detects that the driving motor operates, the control valve 45 is switched to the second state, that is, the first outlet 452 is controlled to be opened and the second outlet 453 is controlled to be closed, so that the gas can be compressed by the gas compression device 46 and then is conveyed back to the gas storage cylinder 10 through the check valve 42, and therefore the recovery of the waste gas is completed. Therefore, the driving mileage of the brake system 100 can be increased, the starting frequency and the continuous service time of the air compressor 30 can be reduced, the noise generated when the brake system 100 exhausts air can be reduced, and the improvement of the vehicle brake level can be actively promoted.
Other configurations and operations of vehicles according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A braking system (100) of a vehicle, comprising:
the gas storage cylinder (10) is provided with a gas outlet (11), a first gas supplementing port (12) and a second gas supplementing port (13), and the gas outlet (11), the first gas supplementing port (12) and the second gas supplementing port (13) are communicated with a gas storage space of the gas storage cylinder (10);
a brake valve (20), the brake valve (20) having an inlet port (2a) and an outlet port (2b), the inlet port (2a) communicating with the outlet port (11);
an air compressor (30), the air compressor (30) being in communication with the first air make-up port (12) to provide air to the air reservoir (10);
the brake gas recovery assembly (40), the one end of brake gas recovery assembly (40) with gas vent (2b) intercommunication of brake valve (20), the other end of brake gas recovery assembly (40) with second tonifying qi mouth (13) intercommunication, brake gas recovery assembly (40) are used for with the air that brake valve (20) exhaust is impressed in gas receiver (10).
2. The brake system (100) of claim 1, wherein the brake gas recovery assembly (40) comprises:
a recovery pipeline (41), one end of the recovery pipeline (41) is communicated with the exhaust port (2b) of the brake valve (20), and the other end of the recovery pipeline (41) is communicated with the second air supplementing port (13);
a vacuum tank (43), a vacuum pump (44), a control valve (45) and a gas compression device (46), wherein the vacuum tank (43), the vacuum pump (44), the control valve (45) and the gas compression device (46) are connected in series on the recovery pipeline (41), the control valve (45) is provided with an inlet (451), a first outlet (452) and a second outlet (453), the inlet (451) of the control valve (45) is connected with the vacuum pump (44), the first outlet (452) is connected with the gas compression device (46), the second outlet (453) is communicated with the atmosphere, the control valve (45) is provided with a first state and a second state, in the first state, the first outlet (452) is closed, and the second outlet (453) is opened; in the second state, the first outlet (452) is open and the second outlet (453) is closed.
3. The brake system (100) according to claim 2, wherein the gas compression device (46) includes a stator (461), a rotor (462) and a vane (463), the stator (461) has a mounting chamber (4611), the rotor (462) is connected with the vane (463) and located in the mounting chamber (4611), the rotor (462) is eccentrically arranged, a plurality of the vanes (463) are arranged at intervals in a circumferential direction of the rotor (462), the stator (461) is provided with an air inlet hole (4612) and an air outlet hole (4613) which are communicated with the mounting chamber (4611), the air inlet hole (4612) is communicated with the first outlet (452), and the air outlet hole (4613) is communicated with a check valve (42).
4. A braking system (100) according to claim 3, characterized in that the connection between the blade (463) and the rotor (462) is via a resilient member (4631), the resilient member (4631) constantly urging the blade (463) into abutment with the inner circumferential wall of the stator (461).
5. A braking system (100) in accordance with claim 3 wherein said gas compression device (46) further comprises a seal cap (464), said seal cap (464) covering an open end of said stator (461), said seal cap (464) defining said mounting chamber (4611) with said stator (461), said seal cap (464) being removably coupled to said stator (461).
6. A braking system (100) according to claim 3, characterized in that the main shaft of the vehicle's driving motor is connected to one end of the rotor (462) to rotate the blade (463), and the other end of the rotor (462) is connected to the vehicle's transmission shaft.
7. The braking system (100) of claim 6, further comprising:
first detection means for detecting whether a drive motor of the vehicle is running, the control valve (45) being switched to the first state when the first detection means detects that the drive motor is stalling; when the first detection means detects that the drive motor is operating, the control valve (45) is switched to the second state.
8. The brake system (100) according to any one of claims 2 to 7, wherein a protection valve (50) is further disposed on the recovery line (41), the protection valve (50) is connected to the brake valve (20) and the vacuum tank (43), the protection valve (50) has an inlet end (51), a first outlet end (52) and a second outlet end (53), the inlet end (51) is communicated with the exhaust port (2b) of the brake valve (20), the first outlet end (52) is connected to the vacuum tank (43), the second outlet end (53) is communicated with the atmosphere, and the protection valve (50) has a first mode and a second mode, wherein in the first mode, the first outlet end (52) is closed, and the second outlet end (53) is open; in the second mode, the first gas outlet end (52) is open and the second gas outlet end (53) is closed.
9. The braking system (100) of claim 8, further comprising:
second detection means for detecting whether the vacuum pump (44) is malfunctioning, the control valve (45) being switched to the first mode when the second detection means detects that the vacuum pump (44) is malfunctioning; when the second detection means detects that the vacuum pump (44) is normal, the control valve (45) is switched to the second mode.
10. A vehicle, characterized by comprising a braking system (100) according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582459.2U CN215752348U (en) | 2021-03-22 | 2021-03-22 | Braking system of vehicle and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582459.2U CN215752348U (en) | 2021-03-22 | 2021-03-22 | Braking system of vehicle and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215752348U true CN215752348U (en) | 2022-02-08 |
Family
ID=80094090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120582459.2U Active CN215752348U (en) | 2021-03-22 | 2021-03-22 | Braking system of vehicle and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215752348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060109A (en) * | 2021-03-22 | 2021-07-02 | 北汽福田汽车股份有限公司 | Braking system of vehicle and vehicle with same |
-
2021
- 2021-03-22 CN CN202120582459.2U patent/CN215752348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060109A (en) * | 2021-03-22 | 2021-07-02 | 北汽福田汽车股份有限公司 | Braking system of vehicle and vehicle with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101603536B (en) | Electric vacuum pump for automobile | |
| CN215752348U (en) | Braking system of vehicle and vehicle with same | |
| CN206035814U (en) | Supplementary vacuum pump | |
| CN111224130A (en) | Fuel cell and air supply system thereof | |
| CN105822531A (en) | On-off control method for electric braking air compressor system by improving combined dryer | |
| CN102943759A (en) | Electric vacuum pump | |
| CN113060109A (en) | Braking system of vehicle and vehicle with same | |
| CN109228805B (en) | Emergency automatic inflating device for automobile tire | |
| CN102700544A (en) | Device for utilizing braking energy of fuel cell vehicle to purge residual water on fuel cell | |
| US20210262459A1 (en) | Automobile inflatable pump | |
| CN207212667U (en) | A kind of automobile using low noise vane type electronic vacuum pump of single-chamber | |
| CN104176038B (en) | A kind of automobile-used transmission case of integrated oil-sealed rotary pump | |
| CN103738180B (en) | Utilize vehicle sliding power automatic energy accumulating energy conserving system | |
| CN204472781U (en) | A kind of electric vacuum pump | |
| CN113103845B (en) | Air conditioner compressor arrangement and new energy automobile suitable for new energy automobile | |
| CN202243433U (en) | Vacuum booster mechanism for service brake system of vehicle with supercharged engine | |
| CN112377388A (en) | Design method of low-power-consumption drive and comfortable NVH (noise, vibration and harshness) of electric drive pump | |
| CN108749807B (en) | Highly integrated differential pressure sensor working method | |
| CN105952624A (en) | Air outlet end cover assembly of electric vacuum pump for diaphragm type automobile | |
| CN107539123B (en) | New energy automobile energy feedback and enabling device | |
| CN218266375U (en) | Automobile-used centrifugal electronic pump of area self-priming | |
| CN112092792B (en) | Power assisting device for electric automobile braking system | |
| CN113085819B (en) | Automobile, automobile braking energy recovery method and computer readable storage medium | |
| CN216044408U (en) | Heavy truck automatic inflating pump | |
| CN220850027U (en) | Magnetic suspension type rotary vane pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |