CN218141393U - High-pressure fluid supply module for electric automobile - Google Patents
High-pressure fluid supply module for electric automobile Download PDFInfo
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- CN218141393U CN218141393U CN202222493944.XU CN202222493944U CN218141393U CN 218141393 U CN218141393 U CN 218141393U CN 202222493944 U CN202222493944 U CN 202222493944U CN 218141393 U CN218141393 U CN 218141393U
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Abstract
The utility model relates to an electric automobile field specifically discloses a high-pressure fluid supplies with module for electric automobile. The high-pressure fluid supply module comprises a driving unit, a pump unit and a gas compression device, wherein the driving unit is simultaneously connected with the pump unit and the gas compression device and drives the pump unit and the gas compression device to work; the gas compression device comprises a plurality of compression execution modules, and air cylinders are arranged in the compression execution modules; the gas compression device also comprises a pressure relief assembly, wherein the pressure relief assembly comprises a normally closed pressure relief valve; each cylinder corresponds to at least one pressure relief assembly, and the pressure relief air inlet of the pressure relief valve is communicated with the corresponding cylinder. The gas compression device and the driving unit in the high-pressure fluid supply module work synchronously, the pressure relief assembly is used for controlling the output gas pressure of the gas compression device, and the high-pressure fluid supply module has the advantages of low cost and stable system operation.
Description
Technical Field
The utility model relates to an electric automobile field especially relates to a high-pressure fluid supplies with module for electric automobile.
Background
The high-pressure fluid supply module is an important component of an automobile and mainly comprises a high-pressure fluid supply module, a pneumatic execution module and a hydraulic execution module, wherein the high-pressure fluid supply module is used for generating high-pressure fluid and supplying the high-pressure fluid to the pneumatic execution module and the hydraulic execution module for use; the pneumatic execution module comprises an automobile braking system and the like, and the hydraulic execution module comprises a steering system and the like.
A common high pressure fluid supply module includes an air compressor and an oil pump. In a fuel vehicle, power can be taken from a generator to drive an air compressor and an oil pump to work, and in a new energy vehicle, a motor is generally arranged to drive the air compressor and the oil pump to work.
In the high-pressure fluid supply module, the hydraulic execution module and the pneumatic execution module have different working modes, specifically, the hydraulic execution module generally needs to continuously supply a high-pressure fluid source, and the pneumatic execution module generally only needs to intermittently supply a high-pressure gas source during working. It is usually necessary to provide separate drive units to meet the operating requirements of the hydraulic and pneumatic actuator modules.
In order to reduce the volume of the high-pressure fluid supply module and save space, an integrated high-pressure fluid supply system is designed, in particular to an electric automobile, namely, the same motor is used for simultaneously driving an air compressor and an oil pump to work. The Chinese invention application with application publication number CN 106080761A discloses an air compressor and hydraulic steering pump integrated mechanism, which comprises an air compressor, an electromagnetic clutch, a coupler, a motor and a hydraulic steering pump, wherein one end of the motor is connected with the air compressor through the coupler and the electromagnetic clutch, the intermittent work of the air compressor is controlled through the electromagnetic clutch, and the other end of the motor is connected with the hydraulic steering pump. The mechanism realizes that the single motor is used for simultaneously driving the air compressor and the steering oil pump to work, and has the advantage of high integration level. However, the air compressor of the mechanism needs to be frequently started and stopped, the electromagnetic clutch uses the electromagnetic clutch, the cost of the electromagnetic clutch is high, other electric control systems and sensor auxiliary systems need to be matched when the air compressor is used, the overall cost of the system is high, meanwhile, the failure rate of the electric control systems is generally high, and the air compressor is not in accordance with the high safety requirement of an automobile.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a high-pressure fluid supplies with module for electric automobile, gas compression device and drive unit synchronous working to with pressure relief subassembly control gas compression device's output atmospheric pressure, have with low costs, the stable advantage of system operation.
In order to solve the technical problem, the utility model provides a technical scheme as follows: a high-pressure fluid supply module for an electric automobile comprises a driving unit, a pump unit and a gas compression device, wherein the driving unit is simultaneously connected with the pump unit and the gas compression device and drives the pump unit and the gas compression device to work; the gas compression device comprises a plurality of compression execution modules, and air cylinders are arranged in the compression execution modules;
the gas compression device also comprises a pressure relief assembly, and the pressure relief assembly comprises a normally closed pressure relief valve; each cylinder corresponds to at least one pressure relief assembly, and the pressure relief air inlet of the pressure relief valve is communicated with the corresponding cylinder.
When the pneumatic actuator works, the gas compression device and the pump unit are started and stopped synchronously with the driving unit, and whether the gas compression device conveys compressed air to the matched pneumatic actuator module or not is controlled through the opening and closing of the pressure relief assembly, so that the pneumatic actuator module adapts to the working mode of the pneumatic actuator module. Compare with current gas-liquid control system, the gas compression device of this application is in running state all the time, avoids frequently opening and stops, has with low costs, the stable advantage of system operation. Meanwhile, the mechanical structure is adopted for control, and compared with an electromagnetic control mode, the system has the advantages of low cost and stable system operation.
Preferably, the output end of the driving unit is connected with a crank of the gas compression device through a coupling. The driving unit and the gas compression device adopt a direct connection mode, and the system structure is simplified.
Preferably, the gas compression device comprises a gas outlet valve communicated with the cylinder, and the opening pressure of the pressure relief valve is greater than the opening pressure of the gas outlet valve.
When the air pressure of the pneumatic execution module reaches a preset value, the air outlet of the air outlet valve is blocked, the air pressure in the air cylinder continues to rise, the pressure relief valve is opened, and high-pressure air in the air cylinder is discharged. The pressure relief valve adopts a passive working mode, and compared with an electromagnetic control working mode, the control mode is simple and reliable.
Preferably, the pressure relief valve comprises a valve body and a valve rod, a driving cavity and a pressure relief cavity are arranged in the valve body, and a pressure relief air inlet and a pressure relief air outlet of the pressure relief valve are communicated through the pressure relief cavity; the valve rod comprises a driving section and an executing section, the driving section corresponds to the driving cavity, and the executing section corresponds to the pressure relief cavity; the valve rod has at least two position states relative to the valve body: in the first position state, the execution of the valve rod cuts off the communication between the pressure relief air inlet and the pressure relief air outlet of the pressure relief valve in a segmented manner, and the pressure relief valve is in a normally closed state; in the second position state, the pressure relief air inlet and the pressure relief air outlet of the pressure relief valve are communicated, and the pressure relief valve is in a normally open state at the moment; the control gas circuit is communicated with the driving cavity; the axial movement of the valve rod can be driven by adjusting the air pressure of the driving cavity through controlling the air chamber, and the valve rod can be switched between a first position state and a second position state.
In a normal state, the valve rod is in a first position state, and high-pressure gas generated in the cylinder is discharged from the exhaust valve and enters the pneumatic execution module; when the air pressure of the pneumatic execution module is greater than the preset value, a mode of introducing high-pressure gas into the driving cavity is adopted, the driving valve rod is driven to be converted from the first position state to the second position state, the pressure relief air inlet and the pressure relief air outlet of the pressure relief valve are directly communicated, and the high-pressure gas generated in the air cylinder is directly discharged from the pressure relief valve and is not conveyed to the pneumatic execution module any more.
The opening and closing state of the pressure relief valve is controlled in an air pressure driving mode, compared with the electromagnetic control direction, the air pressure driving mode is of a complete mechanical structure, the control system is simple in structure, and the overall cost and the operation failure rate are lower.
Preferably, the air storage device further comprises an auxiliary air storage unit, and a pressure relief air outlet of the pressure relief valve is communicated with the auxiliary air outlet unit.
Compare with direct to external exhaust, supplementary gas storage unit can carry out temporary storage to cylinder exhaust compressed gas, not only can reduce energy loss, can avoid outside air to flow back to the cylinder in from the pressure relief valve direction simultaneously, guarantees to get into the cleanliness of air in the cylinder. In addition, the frequent exhaust to the outside in the automobile causes the interference to other matching systems of the automobile, and the arrangement of the auxiliary air outlet unit can well solve the problems.
Preferably, the number of the air cylinders is at least two, and the pressure relief assemblies correspond to the air cylinders one to one; the air distribution device also comprises an air distribution channel, wherein an air inlet of the air distribution channel is communicated with a pressure relief air outlet of a pressure relief valve on at least one of the cylinders, and an air outlet of the air distribution channel is directly communicated with at least one of other cylinders; at least one air distribution channel is arranged on the pressure relief air outlet of any one pressure relief valve correspondingly, and any one air cylinder is directly communicated with the air outlet of at least one air distribution channel.
When the pressure relief valve is opened, the air distribution channel communicates the corresponding cylinders with each other. By properly distributing the initial phase of each cylinder, in operation, when one of the cylinders exhausts, at least one of the other cylinders inhales, and the gas in the cylinder is circulated between the cylinders. The gas compression device can keep not exhausting gas to the outside of the cylinder and not sucking gas from the outside of the cylinder while continuously operating along with the driving of the motor.
Preferably, the cylinders are divided into a plurality of air distribution groups, and the number of the cylinders in each air distribution group is two; in the same air distribution group, a pressure relief air outlet of a pressure relief valve on any one air cylinder is directly communicated with another air cylinder through an air distribution channel; the cylinders of different air distribution groups are not connected with the pressure relief valve through air distribution channels.
Through setting up the distribution group, only need guarantee the initial spacing of two cylinders in the distribution group and differ 180, can guarantee gas compressor arrangement normal operating, can simplify the distribution process to a certain extent.
Preferably, the cylinders at least comprise a first-stage cylinder and a second-stage cylinder, the number of the first-stage cylinders is at least two, and the number of the second-stage cylinders is at least two; the gas distribution channel comprises a primary gas distribution channel corresponding to the primary cylinder and a secondary gas distribution channel corresponding to the secondary cylinder.
Because the working pressure and the cylinder volume of the first-stage cylinder and the second-stage cylinder are different, the gas distribution channels of the first-stage cylinder and the second-stage cylinder are respectively and independently arranged, and the smooth and reasonable operation of the gas compression device can be ensured.
Drawings
Fig. 1 is a system flow chart of a gas-liquid control system for an electric vehicle according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a high-pressure fluid supply module in a gas-liquid control system for an electric vehicle according to a first embodiment of the present invention;
fig. 3 is a front partial sectional view of a high-pressure fluid supply module in a gas-liquid control system for an electric vehicle according to a first embodiment of the present invention;
fig. 4 is a system flow chart of a gas-liquid control system for an electric vehicle according to a third embodiment of the present invention;
fig. 5 is a schematic structural view of a pressure relief valve in a gas-liquid control system for an electric vehicle according to a third embodiment of the present invention; at the moment, the valve rod is in a first position state;
fig. 6 is a schematic structural view of a pressure relief valve in a gas-liquid control system for an electric vehicle according to a third embodiment of the present invention; the valve rod is in a second position state;
fig. 7 is a schematic partial structural view of a high-pressure fluid supply module in a gas-liquid control system for an electric vehicle according to a fourth embodiment of the present invention;
fig. 8 is an operation schematic diagram of a high-pressure fluid supply module in a gas-liquid control system for an electric vehicle according to a fifth embodiment of the present invention;
fig. 9 is a schematic diagram illustrating the operation of a high-pressure fluid supply module in a gas-liquid control system for an electric vehicle according to a sixth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
As shown in fig. 1 to 3, a gas-liquid control system for an electric vehicle includes a high-pressure fluid supply module 1, a pneumatic actuator module 3, and a hydraulic actuator module 2.
As shown in fig. 1 to fig. 3, the high-pressure fluid supply module 1 includes a driving unit 12, a pump unit 13, and a gas compression device 11, wherein the driving unit 12 is connected to the pump unit 13 and the gas compression device 11 at the same time, and drives the pump unit 13 and the gas compression device 11 to operate. The gas compression device 11 comprises a plurality of compression execution modules, and a cylinder 111 is arranged in each compression execution module.
Specifically, as shown in fig. 1 to 3, the driving device is a motor, and two ends of the motor are respectively provided with an output shaft. The output end of the driving unit is connected with the main shaft of the gas compression device 11 through a coupler, and the output end of the driving unit is connected with the main shaft of the pump unit 13 through a coupler. The driving unit, the gas compression device 11 and the pump unit 13 adopt a direct connection mode, and the system structure is simplified.
As shown in fig. 1-3, the pneumatic actuator module 3 includes a brake system, and the gas compression device 11 is connected to the pneumatic actuator module 3 and provides a high-pressure gas source to the pneumatic actuator module 3. The hydraulic actuating module 2 comprises a steering system, and the pump unit 13 is connected with the hydraulic actuating module 2 and provides a high-pressure liquid source for the hydraulic actuating module 2.
Specifically, as shown in fig. 1 to fig. 3, the pneumatic actuator module 3 includes a main gas storage unit 31 and a gas utilization unit 32, and the main gas storage unit 31 is disposed between the gas compression device 11 and the gas utilization unit 32.
As shown in fig. 1-3, the gas compression device 11 further includes a pressure relief assembly including a normally closed pressure relief valve 14. At least one pressure relief assembly is associated with each of the cylinders 111, and the pressure relief inlet 144 of the pressure relief valve 14 is in communication with the associated cylinder 111.
When the air pressure of the pneumatic execution module 3 reaches a preset value, the pressure relief valve 14 is opened. The air pressure of the pneumatic actuator module 3 may be based on the inlet air pressure of the pneumatic actuator module 3. Specifically, when the air pressure of the main air storage unit 31 reaches a preset value, the pressure relief valve 14 is opened.
During operation, the gas compression device 11 and the pump unit 13 are started and stopped synchronously with the driving unit 12, and whether the gas compression device 11 delivers compressed air to the pneumatic execution module 3 is controlled through opening and closing of the pressure relief assembly, so that the pneumatic execution module 3 is adapted to the working mode. Compare with current gas-liquid control system, the gas compression device 11 of this application is in running state all the time, avoids frequently opening and stops, has with low costs, the stable advantage of system operation.
Specifically, the gas compression device 11 includes a gas outlet valve communicated with the cylinder 111, and the opening pressure of the pressure relief valve 14 is greater than the opening pressure of the gas outlet valve.
When the air pressure of the pneumatic execution module 3 reaches a preset value, the air outlet of the air outlet valve is blocked, the air pressure in the air cylinder 111 continues to rise, the pressure relief valve 14 is opened, and the high-pressure air in the air cylinder 111 is discharged. The pressure relief valve 14 is operated in a passive mode, which is simple and reliable in control compared to an electromagnetic control mode.
Further, the gas storage device further comprises an auxiliary gas storage unit, and the pressure relief gas outlet 143 of the pressure relief valve 14 is communicated with the auxiliary gas outlet unit. Compared with the direct exhaust to the outside, the auxiliary gas storage unit can temporarily store the compressed gas exhausted from the cylinder 111, so that the energy loss can be reduced, the external air can be prevented from flowing back to the cylinder 111 from the pressure relief valve 14, and the cleanliness of the air entering the cylinder 111 can be ensured. In addition, the frequent exhaust to the outside in the automobile causes the interference to other supporting systems of the automobile, and the arrangement of the auxiliary air outlet unit can well solve the problems.
Example two
Compared with the first embodiment, the present embodiment is different in that: the pressure relief valve 14 is an electromagnetic valve. The pneumatic control system further comprises a control assembly, wherein the control assembly comprises a pressure sensor and a controller, and the pressure sensor is used for monitoring the air pressure of the pneumatic execution module 3. When the air pressure of the pneumatic execution module 3 reaches a preset value, the controller controls the pressure relief valve 14 to open. Specifically, the detection object of the pressure sensor is the main gas storage unit 31.
The opening and closing state of the pressure relief valve 14 is actively controlled in a solenoid control mode, and the pressure relief valve 14 is prevented from being opened and closed frequently after the air pressure of the pneumatic execution module 3 reaches a preset value, so that the service life of the pressure relief valve 14 is prolonged.
EXAMPLE III
As shown in fig. 4 to fig. 6, compared with the first embodiment, the present embodiment is different in that: the pressure relief valve 14 includes a valve body, a valve stem 142 and a return elastic member 141. The valve body is internally provided with a driving cavity 146 and a pressure relief cavity 145, and the pressure relief air inlet 144 and the pressure relief air outlet 143 of the pressure relief valve 14 are communicated through the pressure relief cavity 145. The valve stem 142 includes a drive section corresponding to the drive chamber 146 and an actuator section corresponding to the discharge chamber 145.
As shown in fig. 4-6, the valve stem 142 has at least two position states relative to the valve body: in the first position state, the actuation segment of the valve rod 142 cuts off the communication between the pressure relief air inlet 144 and the pressure relief air outlet 143 of the pressure relief valve 14, specifically, one end of the actuation segment blocks the pressure relief air inlet 144 of the pressure relief valve 14, and at this time, the pressure relief valve 14 is in a normally closed state. In the second position, the pressure relief air inlet 144 and the pressure relief air outlet 143 of the pressure relief valve 14 are communicated, and at this time, the pressure relief valve 14 is in a normally open state, and the return elastic member 141 is compressed.
As shown in fig. 4-6, the device further includes a control air path 5, one end of the control air path 5 is communicated with the driving cavity 146, and the other end is communicated with the start execution module.
Specifically, the control air path 5 communicates the main air storage unit 31 and the control cavity.
Under normal state, the valve rod 142 is in the first position state, and high-pressure gas generated in the cylinder 111 is discharged from the exhaust valve and enters the pneumatic execution module 3; when the air pressure of the pneumatic execution module 3 is greater than the preset value, the driving cavity 146 is filled with high-pressure air, the driving valve rod 142 is switched from the first position state to the second position state, the pressure relief air inlet 144 and the pressure relief air outlet 143 of the pressure relief valve 14 are directly communicated, and the high-pressure air generated in the air cylinder 111 is directly discharged from the pressure relief valve 14 and is not conveyed to the pneumatic execution module 3.
The opening and closing state of the pressure relief valve 14 is controlled in an air pressure driving mode, compared with the electromagnetic control direction, the air pressure driving mode is a complete mechanical structure, the control system is simple in structure, and the overall cost and the operation failure rate are lower.
Example four
As shown in fig. 7, compared with the first to third embodiments, the present embodiment is different in that: the number of the air cylinders 111 is at least two, and the pressure relief assemblies correspond to the air cylinders 111 one by one. The air distribution device further comprises an air distribution channel 4, an air inlet of the air distribution channel 4 is communicated with a pressure relief air outlet 143 of a pressure relief valve 14 on at least one cylinder 111, and an air outlet of the air distribution channel 4 is directly communicated with at least one other cylinder 111. At least one air distribution channel 4 is correspondingly arranged at the pressure relief air outlet 143 of any one pressure relief valve 14, and the air outlet of any one air cylinder 111 and the air outlet of at least one air distribution channel 4 are directly communicated.
As shown in fig. 7, specifically, the pressure relief assemblies correspond to the air cylinders 111 one to one, the pressure relief air outlet 143 of each pressure relief valve 14 is connected to one air distribution channel 4, and correspondingly, each air cylinder 111 corresponds to one air distribution channel 4.
When the pressure relief valve 14 is opened, the valve distribution passages 4 communicate the corresponding cylinders 111 with each other. By appropriately allocating the initial phase of each cylinder 111, in operation, when one of the cylinders 111 is exhausted, at least one of the other cylinders 111 is sucked, and the gas in the cylinder 111 is circulated between the cylinders 111. The gas compression device 11 can be kept from exhausting gas to the outside of the cylinder 111 and from sucking gas from the outside of the cylinder 111 while continuing the operation of the motor.
When the number of the cylinders 111 communicated with each other is two, the initial phase of each cylinder 111 is different by 180 degrees; when the number of the cylinders 111 which are communicated with each other is three, the initial phase of each cylinder 111 is different by 120 degrees; when the number of the cylinders 111 communicated with each other is four, the initial phase of each cylinder 111 differs by 90 °; and so on.
EXAMPLE five
As shown in fig. 8, the present embodiment is different from the fourth embodiment in that: the cylinders 111 are divided into a plurality of air distribution groups, and the number of the cylinders 111 in each air distribution group is two. In the same air distribution group, a pressure relief air outlet 143 of a pressure relief valve 14 on any one air cylinder 111 is directly communicated with another air cylinder 111 through an air distribution channel 4; the cylinders 111 of different valve groups are not connected with the pressure relief valve 14 through the valve distribution channel 4.
Through setting up the distribution group, only need to guarantee that the initial spacing of two cylinders 111 in the distribution group differs 180, can guarantee 11 normal operating of gas compression device, can simplify the distribution process to a certain extent.
EXAMPLE six
As shown in fig. 9, the present embodiment is different from the fourth embodiment in that: the cylinders 111 at least comprise primary cylinders 1111 and secondary cylinders 1112, the number of the primary cylinders 1111 is at least two, and the number of the secondary cylinders 1112 is at least two; the air distribution channel 4 comprises a primary air distribution channel 41 corresponding to the primary cylinder 1111 and a secondary air distribution channel 42 corresponding to the secondary cylinder 1112.
Because the working pressure of the primary cylinder 1111 and the secondary cylinder 1112 and the volume of the cylinder 111 are different, the gas distribution channels 4 of the primary cylinder 1111 and the secondary cylinder 1112 are respectively and independently arranged, namely the cylinder 111 and the secondary cylinder 1112 are not communicated with each other through the gas distribution channels 4, so that the smooth and reasonable operation of the gas compression device 11 can be ensured.
In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (8)
1. A high-pressure fluid supply module for an electric automobile comprises a driving unit, a pump unit and a gas compression device, wherein the driving unit is simultaneously connected with the pump unit and the gas compression device and drives the pump unit and the gas compression device to work;
the gas compression device comprises a plurality of compression execution modules, and air cylinders are arranged in the compression execution modules;
the method is characterized in that: the gas compression device also comprises a pressure relief assembly, wherein the pressure relief assembly comprises a normally closed pressure relief valve; each cylinder corresponds to at least one pressure relief assembly, and the pressure relief air inlet of the pressure relief valve is communicated with the corresponding cylinder.
2. The high pressure fluid supply module of claim 1, wherein: the output end of the driving unit is connected with a crank of the gas compression device through a coupler.
3. The high-pressure fluid supply module according to claim 1, wherein: the gas compression device comprises a gas outlet valve communicated with the cylinder, and the opening pressure of the pressure relief valve is greater than that of the gas outlet valve.
4. The high pressure fluid supply module of claim 1, wherein: the pressure relief valve comprises a valve body and a valve rod, a driving cavity and a pressure relief cavity are arranged in the valve body, and a pressure relief air inlet and a pressure relief air outlet of the pressure relief valve are communicated through the pressure relief cavity;
the valve rod comprises a driving section and an execution section, the driving section corresponds to the driving cavity, and the execution section corresponds to the pressure relief cavity;
the valve rod has at least two position states relative to the valve body: under the first position state, the execution of the valve rod cuts off the communication between the pressure relief air inlet and the pressure relief air outlet of the pressure relief valve in a segmented manner, and the pressure relief valve is in a normally closed state at the moment; in the second position state, the pressure relief air inlet and the pressure relief air outlet of the pressure relief valve are communicated, and the pressure relief valve is in a normally open state at the moment;
the control gas circuit is communicated with the driving cavity; the axial movement of the valve rod can be driven by adjusting the air pressure of the driving cavity through controlling the air chamber, and the valve rod can be switched between a first position state and a second position state.
5. The high pressure fluid supply module according to any one of claims 1 to 4, wherein: still include supplementary gas storage unit, the release gas outlet and the supplementary unit intercommunication of giving vent to anger of relief valve.
6. The high pressure fluid supply module according to any one of claims 1 to 4, wherein: the number of the air cylinders is at least two, and the pressure relief assemblies correspond to the air cylinders one to one;
the air distribution system also comprises an air distribution channel, wherein an air inlet of the air distribution channel is communicated with a pressure relief air outlet of a pressure relief valve on at least one of the air cylinders, and an air outlet of the air distribution channel is directly communicated with at least one of other air cylinders;
the pressure relief air outlet of any pressure relief valve corresponds to at least one air distribution channel, and any cylinder is directly communicated with the air outlet of the at least one air distribution channel.
7. The high-pressure fluid supply module according to claim 6, wherein: the air cylinders are divided into a plurality of air distribution groups, and the number of the air cylinders in each air distribution group is two;
in the same air distribution group, a pressure relief air outlet of a pressure relief valve on any one air cylinder is directly communicated with another air cylinder through an air distribution channel;
the cylinders of different air distribution groups are not connected with the pressure relief valve through air distribution channels.
8. The high pressure fluid supply module of claim 6, wherein: the cylinders at least comprise first-stage cylinders and second-stage cylinders, the number of the first-stage cylinders is at least two, and the number of the second-stage cylinders is at least two;
the gas distribution channel comprises a primary gas distribution channel corresponding to the primary cylinder and a secondary gas distribution channel corresponding to the secondary cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222493944.XU CN218141393U (en) | 2022-09-21 | 2022-09-21 | High-pressure fluid supply module for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222493944.XU CN218141393U (en) | 2022-09-21 | 2022-09-21 | High-pressure fluid supply module for electric automobile |
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| CN218141393U true CN218141393U (en) | 2022-12-27 |
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| CN202222493944.XU Active CN218141393U (en) | 2022-09-21 | 2022-09-21 | High-pressure fluid supply module for electric automobile |
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Effective date of registration: 20230905 Granted publication date: 20221227 |
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