CN118817327B - Automobile air brake energy storage testing device - Google Patents
Automobile air brake energy storage testing deviceInfo
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- CN118817327B CN118817327B CN202410819792.9A CN202410819792A CN118817327B CN 118817327 B CN118817327 B CN 118817327B CN 202410819792 A CN202410819792 A CN 202410819792A CN 118817327 B CN118817327 B CN 118817327B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- General Physics & Mathematics (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
本申请涉及一种汽车气制动储能测试装置，属于汽车气制动储能测试技术领域。包括：储气筒，其具有互相独立的多个储气单元；管路系统，其包括第一管路以及一端分别连通各个储气单元，且另一端均连接于第一管路的多个第二管路，第二管路上设置有开关控制阀，第一管路上还设置有进气阀；以及，所有的储气单元的储气容量被配置为：所有的储气单元的储气容量均为整数，至少一个储气单元的储气容量为1L，且接入到第一管路的各储气单元的总容量的取值范围为[1L，nL]中的所有整数，其中n为储气筒中所有储气单元总容量。本申请使用时，不用反复拆装第一管路和第二管路，通过开关控制阀调整接入到第一管路的容量，节省试验时间。
This application relates to an automotive air brake energy storage testing device, belonging to the field of automotive air brake energy storage testing technology. It includes: an air reservoir having multiple independent air storage units; a piping system including a first pipe and multiple second pipes, each connected at one end to one of the air storage units and at the other end to the first pipe, with a switch control valve installed on the second pipes and an air inlet valve installed on the first pipes; and the air storage capacity of all air storage units is configured such that: the air storage capacity of all air storage units is an integer, at least one air storage unit has a storage capacity of 1L, and the total capacity of all air storage units connected to the first pipe is any integer in the range [1L, nL], where n is the total capacity of all air storage units in the air reservoir. When using this application, there is no need to repeatedly disassemble and reassemble the first and second pipes; the capacity connected to the first pipe is adjusted by the switch control valve, saving testing time.
Description
Technical Field
The application relates to the technical field of automobile air brake energy storage testing, in particular to an automobile air brake energy storage testing device.
Background
At present, the energy storage device of the motor vehicle, namely the air cylinder, is required to ensure that after the driving braking system is controlled to perform eight full-stroke actuation on the energy storage device of the motor vehicle, the residual pressure of the energy storage device is not lower than the pressure required for reaching the specified emergency braking performance.
In order to select the air storage cylinder meeting the test standard, the corresponding capacity is generally selected through calculation, corresponding parts are manufactured in a trial mode, and finally whether the selected air storage cylinder meets the standard is verified through the whole car test. The normal test method comprises the steps of inflating the air storage cylinder in situ to reach the set pressure, removing the first air steel pipe, performing full stroke trampling on the brake pedal in situ for 8 times to release pressure, performing a ninth emergency brake test and recording the result, and repeating the steps for three times. However, once the capacity selection is found to be unsuitable during the test, the capacity needs to be selected again and the corresponding parts are manufactured again, and the test is performed again.
Under the test method, the cost of part trial production is wasted, the air steel pipe is required to be repeatedly disassembled and assembled, and the work is complicated.
Disclosure of Invention
The embodiment of the application provides an automobile air brake energy storage testing device, which aims to solve the problems that in the related art, the energy storage testing method of an air storage cylinder adopted in the related art wastes the cost of part trial manufacture, and the air steel pipe is required to be repeatedly disassembled and assembled, so that the work is complicated
The embodiment of the application provides an automobile air brake energy storage testing device, which comprises an air storage cylinder, a plurality of air storage units and a test unit, wherein the air storage cylinder is provided with a plurality of air storage units which are mutually independent;
The pipeline system comprises a first pipeline and a plurality of second pipelines, one ends of the second pipelines are respectively communicated with each gas storage unit, the other ends of the second pipelines are connected with the first pipeline, the second pipelines are provided with switch control valves, and the first pipelines are also provided with air inlet valves;
And the gas storage capacities of all the gas storage units are configured to be integers, the gas storage capacity of at least one gas storage unit is 1L, and the value range of the total capacity of each gas storage unit connected to the first pipeline is all integers in [1L, nL ], wherein n is the total capacity of all the gas storage units in the gas storage cylinder.
According to the technical scheme, the gas storage units are communicated through the first pipeline and the second pipeline, the gas storage units are adjusted to be connected in series through the switch control valve, the gas inlet source is stored in the gas storage units through the gas inlet valve, different switch control valves are opened according to the operation requirement of each experiment when the experiment is started, so that the gas storage capacity connected into the first pipeline can be adjusted based on 1L, the experiment requirement of each experiment is met, repeated disassembly and assembly are not needed, and sample pieces are not needed to be manufactured independently, and the cost is saved.
In some embodiments, the system further comprises a controller connected with all the switch control valves and used for controlling the opening and closing states of the switch control valves so that the total capacity of each gas storage unit connected to the first pipeline is adjusted in a value range of [1L, nL ] in 1L.
Through the technical scheme, the intelligent air storage device is connected with all switch control valves by the arrangement of the controller, so that the inner capacity of the air storage cylinder can be controlled and adjusted through intelligent operation, and the intelligent operation is convenient.
In some embodiments, the gas reservoir comprises eight of the gas storage units, among which:
one of the gas storage units is arranged as a first gas storage room, and the gas storage capacity of the first gas storage room is 50L;
the two gas storage units are arranged as second gas storage rooms, and the gas storage capacity of each second gas storage room is 20L;
one gas storage unit is arranged as a third gas storage room, and the gas storage capacity of the third gas storage room is 10L;
one gas storage unit is arranged in a fourth gas storage room, and the gas storage capacity of the fourth gas storage room is 5L;
the two gas storage units are arranged as fifth gas storage rooms, and the gas storage capacity of each fifth gas storage room is 2L;
one of the gas storage units is arranged as a sixth gas storage room, and the gas storage capacity of the sixth gas storage room is 1L.
According to the technical scheme, the plurality of gas storage units are configured into the first gas storage room, the second gas storage room, the third gas storage room, the fourth gas storage room, the fifth gas storage room and the sixth gas storage room, so that the capacity in the gas storage cylinder can be adjusted from 1L to 110L to any capacity, the precision is 1L, the capacity of the gas storage cylinder can be quickly adjusted to a state meeting the experiment requirement according to the experiment requirement during each experiment, more accurate parts are guided to be designed, the requirement of regulations can be met, design redundancy is not too large, and the accurate cost reduction function is realized.
In some embodiments, the air cylinder comprises a seventh air storage room, the appearance structure of the seventh air storage room is the same as that of the sixth air storage room, and a partition plate is arranged in the seventh air storage room to partition the inner cavity of the seventh air storage room into the fourth air storage room, the two fifth air storage rooms and the sixth air storage room.
According to the technical scheme, the seventh gas storage room is formed by the fourth gas storage room, the two fifth gas storage rooms and the sixth gas storage room, the appearance structures of the seventh gas storage room and the sixth gas storage room are the same, so that the occupied space of the gas storage cylinder is effectively saved, and the arrangement structure of a plurality of gas storage units is compact.
In some embodiments, one end of the first pipeline is connected with an air inlet pipe, and the air inlet pipe is used for being connected with a first air steel pipe of the tested vehicle.
According to the technical scheme, the first air steel pipe of the tested vehicle of the first pipeline is connected conveniently through the air inlet pipe.
In some embodiments, one end of the first pipeline is connected with an air outlet pipe, and the air outlet pipe is used for being connected with a brake main pipeline of the tested vehicle.
According to the technical scheme, the first pipeline is connected with the brake main pipeline of the tested vehicle through the air outlet pipe.
In some embodiments, an adjusting relief valve is connected to the air inlet pipe.
According to the technical scheme, the pressure in each gas storage unit can be regulated according to the requirement by regulating the pressure release valve so as to meet the pressure requirement in the gas storage cylinder, and the pressure release is automatically carried out after the pressure exceeds the required pressure.
In some embodiments, a pressure sensor is connected to the outlet tube.
According to the technical scheme, the pressure sensor is arranged so as to collect pressure data in the air cylinder in real time in the test process. Therefore, in the experimental process, the capacity in the air storage cylinder can be adjusted in real time, and when the capacity does not meet the experimental requirement or exceeds the experimental requirement, the capacity in the air storage cylinder can be changed in time for further verification, so that the development time is saved.
In some embodiments, a connecting tee is connected between the second and first pipes.
Through the technical scheme, the connecting tee joint is simple in structure and convenient to communicate the first pipeline with the second pipeline.
In some embodiments, the bottom of the air reservoir is provided with a bottom plate.
Through the technical scheme, the air cylinder is convenient to install by using the bottom plate.
The technical scheme provided by the application has the beneficial effects that:
The embodiment of the application provides an automobile air brake energy storage testing device, wherein a plurality of independent air storage units are arranged in an air storage cylinder, the air storage units are communicated through a first pipeline and a second pipeline, and the air storage units are adjusted to be connected in series through a switch control valve. Before the air storage cylinder is tested, an air inlet valve and each switch control valve are firstly opened to store an air inlet source in each air storage unit, when the experiment is formally started, the air inlet valve and each switch control valve are firstly in a closed state, then different switch control valves are opened according to the operation requirement of each experiment, so that the air storage capacity connected into a first pipeline can be adjusted by taking 1L as a reference, the requirement of each experiment is met, repeated disassembly and assembly are not needed, and a separate sample piece is not needed, the cost is saved, when the capacity does not meet the experiment requirement or exceeds the experiment requirement, the capacity of the connected air storage cylinder can be gradually increased until the target requirement is met, and at the moment, the capacity of the air storage cylinder can be used as the design reference of a tested vehicle type, and the development time is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present application;
FIG. 2 is a schematic diagram showing a plurality of air storage cavity structures according to an embodiment of the present application;
fig. 3 is a schematic structural diagram showing an adjusting relief valve according to an embodiment of the present application;
Fig. 4 is a schematic structural diagram showing a pressure sensor according to an embodiment of the present application;
reference numerals:
1. The device comprises an air storage cylinder, 10, a bottom plate, 20, a first pipeline, 200, an air inlet valve, 21, a second pipeline, 3, a switch control valve, 4, a first air storage room, 5, a second air storage room, 6, a third air storage room, 60, a fourth air storage room, 61, a fifth air storage room, 62, a sixth air storage room, 7, an air inlet pipe, 70, an adjusting pressure relief valve, 8, an air outlet pipe, 80, a pressure sensor and 9, and a connecting tee.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In GB12676, the energy storage device is required to ensure that after eight full-stroke actuation of a service brake system control device is carried out on the motor vehicle energy storage device (the air cylinder 1), the residual pressure of the energy storage device is not lower than the pressure required for reaching the specified emergency brake performance. The corresponding capacity is usually selected through calculation, the corresponding part is manufactured in a trial mode, and finally whether the selected air storage cylinder 1 meets the standard is verified through the whole vehicle test, but once the capacity is not selected properly in the test process, the capacity is selected again and the corresponding part is manufactured in a trial mode again. In the experimental process, the air steel pipe needs to be repeatedly disassembled and assembled, the work is complicated, and the air steel pipe can only be tested on the automobile together with the air pressure, so that the development test can not be satisfied with the test of various air pressures.
Therefore, the application can solve the problems of waste of cost of part trial manufacture and complex work due to repeated disassembly and assembly of the air steel tube in the energy storage testing method of the air cylinder 1 adopted in the related technology.
Referring to fig. 1 to 4, an embodiment of the application provides an automobile air brake energy storage testing device, which comprises an air storage cylinder 1 and a pipeline system, wherein a bottom plate 10 is arranged at the bottom of the air storage cylinder 1, the air storage cylinder 1 is horizontally arranged on the bottom plate 10, the air storage cylinder 1 is divided by a partition plate, the air storage cylinder 1 is provided with a plurality of mutually independent air storage units, the pipeline system comprises a first pipeline 20 and a plurality of second pipelines 21, one ends of the second pipelines are respectively communicated with the air storage units, the other ends of the second pipelines 21 are respectively connected with the first pipeline 20, a switch control valve 3 is arranged on the second pipeline 21, an air inlet valve 200 is also arranged on the first pipeline 20, the air storage capacity of all the air storage units is configured to be an integer, the air storage capacity of at least one air storage unit is 1L, and the total capacity of all the air storage units connected to the first pipeline 20 is an integer in the range of [1L, n is the total capacity of all the air storage units in the air storage cylinder 1 ].
In the experimental process, an air inlet valve 200 is connected with an air source, one end of a first pipeline 20 is connected with a first air steel pipe of a tested vehicle, the other end of the first pipeline 20 is connected with a brake main pipeline of the tested vehicle, firstly, one end of the first pipeline 20 connected with the first air steel pipe of the tested vehicle is in a closed state, the air inlet valve 200 and a switch control valve 3 are opened, the air source is introduced into each air storage unit until the air source is fully stored in each air storage unit according to various capacities, after the air source is stored in each air storage unit, the switch control valve 3 is in a closed state, the air inlet valve 200 is also in a state of being disconnected with the air source, two ends of the first pipeline 20 are respectively communicated with the first air steel pipe of the tested vehicle and the brake main pipeline of the tested vehicle, and finally, different switch control valves 3 are adjusted to be opened according to experimental requirements, so that at least each air storage unit is connected into the first pipeline 20.
Starting a vehicle, starting a test, running the vehicle to a specified speed, performing a full-stroke emergency braking test, and collecting the air pressure of the air cylinder 1 in each test. And when the requirement of the test is not met, the switch control valve 3 can be gradually adjusted to be opened so as to increase the capacity of the air reservoir 1 until the target requirement is met, and the capacity of the air reservoir 1 can be used as a design reference of a tested vehicle type. In the experimental process of the application, the first pipeline 20 is not required to be repeatedly disassembled and assembled, the connection and disconnection between the air reservoir 1 and the air source are realized through the air inlet valve 200, the experimental time is saved, the capacity and the pressure of the air reservoir 1 can be adjusted according to the requirement, the sample piece is not required to be independently manufactured in a trial mode, the cost is saved, the air reservoir 1 is used for guiding the design of more accurate parts, the requirement of regulations can be met, the design redundancy is not overlarge, and the accurate cost reduction function is realized. In addition, in the experimental process, after the vehicle is started, the speed, the deceleration and the brake pedal force of each test are also collected.
In the application, the connecting tee joint 9 is connected between the second pipeline 21 and the first pipeline 20, so that the communication between the second pipeline 21 and the first pipeline 20 is effectively realized under the action of the connecting tee joint 9, and the air inlet valve 200 is also connected with the air source and the first pipeline 20 through the connecting tee joint 9.
In the application, one end of a first pipeline 20 is also connected with an air inlet pipe 7, the air inlet pipe 7 is used for being connected with a first air steel pipe of a tested vehicle, one end of the first pipeline 20 is connected with an air outlet pipe 8, and the air outlet pipe 8 is used for being connected with a brake main pipeline of the tested vehicle. The air inlet pipe 7 and the air outlet pipe 8 are both provided with hoses, the first pipeline 20 is connected with the air inlet pipe 7 and the air outlet pipe 8 through the connecting tee joint 9 respectively, and under the action of the air inlet pipe 7 and the air outlet pipe 8, the first pipeline 20 is conveniently connected with a tested vehicle.
In the application, the air inlet pipe 7 is connected with the regulating relief valve 70 through the connecting tee 9, when the air inlet valve 200 and the switch control valve 3 are opened to air in each air storage unit, the regulating relief valve 70 is also in an opened state, the regulating relief valve 70 can regulate the air pressure in each air storage unit according to the requirement, so as to meet the pressure requirement in the air storage cylinder 1, and the pressure is automatically relieved after the pressure exceeds the requirement pressure.
In the application, the air outlet pipe 8 is connected with the pressure sensor 80 through the connecting tee 9, so that pressure data in the air storage cylinder 1 can be collected in real time in the test process. Therefore, in the experimental process, the capacity in the air cylinder 1 can be adjusted in real time, and when the capacity does not meet the experimental requirement or exceeds the experimental requirement, the capacity in the air cylinder 1 can be changed in time for further verification, so that the development time is saved.
In the present application, the air brake energy storage testing device for the automobile comprises a controller (not shown in the figure), wherein the controller is connected with all the switch control valves 3 and is used for controlling the opening and closing states of the switch control valves 3 so as to adjust the total capacity of each air storage unit connected to the first pipeline 20 in the value range [1L, nL ] by taking 1L as a unit. Effectively make the experiment in-process, use the intelligent automation mechanized operation to gas receiver 1, it is very convenient. In addition, the controller is respectively connected with the air inlet valve 200, the pressure release regulating valve 70 and the pressure sensor 80, so that the operation convenience of the air storage cylinder 1 is further improved.
In the application, the air cylinder comprises eight air storage units, wherein one of the eight air storage units is arranged as a first air storage room 4, the air storage capacity of the first air storage room is 50L, two air storage units are arranged as second air storage rooms 5, the air storage capacity of the two second air storage rooms 5 is 20L, one air storage unit is arranged as a third air storage room 6, the air storage capacity of the one air storage unit is 10L, the air storage unit is arranged as a fourth air storage room 60, the air storage capacity of the one air storage unit is 5L, the two air storage units are arranged as a fifth air storage room 61, the air storage capacity of the two fifth air storage rooms 61 is 2L, and the air storage capacity of the one air storage unit is arranged as a sixth air storage room 62, and the air storage capacity of the one air storage unit is 1L.
By configuring the plurality of gas storage units as one first gas storage room 4, two second gas storage rooms 5, one third gas storage room 6, one fourth gas storage room 60, two fifth gas storage rooms 61 and one sixth gas storage room 62, the capacity in the gas storage cylinder 1 can be adjusted from any one of 1L to 110L, and the precision is 1L. For example, if the air cylinder 1 needs to achieve 88L capacity, the first air storage room 4, one second air storage room 5, the third air storage room 6, the fourth air storage room 60, one fifth air storage room 61 and the sixth air storage room 62 need to be opened, and the rest of the second air storage room 5 and the rest of the fifth air storage room 61 need to be closed. Therefore, when each experiment is carried out, the capacity of the air cylinder 1 can be quickly adjusted to a state meeting the experiment requirement according to the experiment requirement, more accurate parts are guided to be designed, the requirement of regulations can be met, design redundancy is not too large, and the accurate cost reduction function is realized.
In the application, the air cylinder 1 comprises a seventh air storage room, the appearance structure of the seventh air storage room is the same as that of the sixth air storage room 6, and a partition plate is arranged in the seventh air storage room to partition the inner cavity of the seventh air storage room into a fourth air storage room 60, two fifth air storage rooms 61 and a sixth air storage room 62.
The fourth air storage room 60 and the two fifth air storage rooms 61 and the sixth air storage room 62 are arranged to be identical to the third air storage room 6 in appearance, so that the air cylinder 1 is compact in appearance and occupies small structural space.
The implementation principle of the embodiment of the application is that in the experimental process, an air inlet valve 200 is connected with an air source, one end of a first pipeline 20 is connected with a first air steel pipe of a tested vehicle through an air inlet pipe 7, the other end of the first pipeline 20 is connected with a brake main pipeline of the tested vehicle through an air outlet pipe 8, a pressure sensor 80 on the air outlet pipe 8 detects air pressure, when the air pressure does not meet the requirement, an adjustable pressure release valve 70 on the air inlet pipe 7 can be adjusted according to the requirement so as to meet the pressure requirement in the air storage cylinder 1, and pressure release is automatically carried out after the pressure exceeds the requirement pressure.
When the test is formally started, firstly, the air inlet pipe 7 is in a closed state with the first air steel pipe of the tested vehicle, the air outlet pipe 8 is in a closed state with the brake main pipeline of the tested vehicle, the air inlet valve 200 and the switch control valve 3 are opened, air sources are introduced into each air storage unit until the content of each air storage unit meets the experimental requirement, the pressure sensor 80 on the air outlet pipe 8 detects the air pressure, when the content of each air storage unit does not meet the requirement, the adjustable pressure release valve 70 on the air inlet pipe 7 can be adjusted according to the requirement, after the air sources are stored in each air storage unit, the switch control valve 3 is in a closed state, the air inlet valve 200 is also in a disconnected state with the air sources, and two ends of the first pipeline 20 are respectively communicated with the first air steel pipe of the tested vehicle and the brake main pipeline of the tested vehicle.
Starting the vehicle, starting the test, running the vehicle to a specified speed, performing a full-stroke emergency braking test, collecting the air pressure of the air storage cylinder 1 in each test, opening the air inlet valve 200 after the first test is completed, repeating the operation twice, and gradually adjusting the opening of the switch control valve 3 when the test requirement is not met so as to increase the capacity of the air storage cylinder 1 until the target requirement is met, wherein the capacity of the air storage cylinder 1 can be used as a design reference of a tested vehicle type. In the experimental process of the application, the first pipeline 20 is not required to be repeatedly disassembled and assembled, the connection and disconnection between the air reservoir 1 and the air source are realized through the air inlet valve 200, the experimental time is saved, the capacity and the pressure of the air reservoir 1 can be adjusted according to the requirement, the sample piece is not required to be independently manufactured in a trial mode, the cost is saved, the air reservoir 1 is used for guiding the design of more accurate parts, the requirement of regulations can be met, the design redundancy is not overlarge, and the accurate cost reduction function is realized. In addition, in the experimental process, after the vehicle is started, the speed, the deceleration and the brake pedal force of each test can be collected.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intervening medium, or may be in communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An automotive air brake energy storage testing device, comprising:
an air cylinder (1) having a plurality of air storage units independent of each other;
The pipeline system comprises a first pipeline (20) and a plurality of second pipelines (21) with one ends respectively communicated with the gas storage units and the other ends connected with the first pipeline (20), wherein a switch control valve (3) is arranged on the second pipeline (21), and an air inlet valve (200) is also arranged on the first pipeline (20);
The gas storage capacities of all the gas storage units are configured to be integers, the gas storage capacity of at least one gas storage unit is 1L, the value range of the total capacity of each gas storage unit connected to the first pipeline (20) is all integers in [1L, nL ], n is the total capacity of all the gas storage units in the gas storage cylinder (1), the gas storage cylinder (1) comprises four gas storage units, and the four gas storage units comprise a first gas storage unit, a second gas storage unit, a third gas storage unit and a fourth gas storage unit:
the first gas storage unit is arranged as a first gas storage room (4), and the gas storage capacity of the first gas storage unit is 50L;
The second gas storage units are arranged as two second gas storage rooms (5), and the gas storage capacity of each second gas storage room (5) is 20L;
The third gas storage unit is arranged as a third gas storage room (6), and the gas storage capacity of the third gas storage unit is 10L;
A partition plate is arranged in the fourth gas storage unit to partition the inner cavity of the fourth gas storage unit into a fourth gas storage room (60), two fifth gas storage rooms (61) and a sixth gas storage room (62), the gas storage capacity of the fourth gas storage room (60) is 5L, the gas storage capacities of the two fifth gas storage rooms (61) are 2L, the gas storage capacity of the sixth gas storage room (62) is 1L, and the appearance structure of the fourth gas storage unit is the same as that of the third gas storage room (6);
the automobile air brake energy storage testing device also comprises a controller which is connected with all the switch control valves (3) and is used for controlling the opening and closing states of the switch control valves (3) so as to adjust the total capacity of each air storage unit connected to the first pipeline (20) in a value range [1L, nL ] by taking 1L as a unit;
One end of the first pipeline (20) is connected with an air inlet pipe (7), and the air inlet pipe (7) is used for being connected with a first air steel pipe of a tested vehicle;
One end of the first pipeline (20) is connected with an air outlet pipe (8), and the air outlet pipe (8) is used for being connected with a brake main pipeline of a tested vehicle.
2. The automobile air brake energy storage testing device according to claim 1, wherein the air inlet pipe (7) is connected with an adjusting relief valve (70).
3. The automobile air brake energy storage testing device according to claim 1, wherein the air outlet pipe (8) is connected with a pressure sensor (80).
4. The automobile air brake energy storage testing device according to claim 1, wherein a connecting tee joint (9) is connected between the second pipeline (21) and the first pipeline (20).
5. The device for testing the air brake energy storage of the automobile according to claim 1, wherein a bottom plate (10) is arranged at the bottom of the air storage cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202410819792.9A CN118817327B (en) | 2024-06-24 | 2024-06-24 | Automobile air brake energy storage testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410819792.9A CN118817327B (en) | 2024-06-24 | 2024-06-24 | Automobile air brake energy storage testing device |
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| CN118817327A CN118817327A (en) | 2024-10-22 |
| CN118817327B true CN118817327B (en) | 2025-11-11 |
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