CN217333158U

CN217333158U - Fuel cell test bench exhaust pipe central control system

Info

Publication number: CN217333158U
Application number: CN202220997954.4U
Authority: CN
Inventors: 崔明杰; 余卓平; 陈佳逸; 潘相敏; 江正寒; 周向阳; 杨秦泰; 张若婧; 朱皓民; 任海平; 郑伟波
Original assignee: Shanghai Intelligent New Energy Vehicle Technology Innovation Platform Co ltd
Current assignee: Shanghai Intelligent New Energy Vehicle Technology Innovation Platform Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-30
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a central control system of an exhaust pipeline of a fuel cell test board, which comprises a control console, an exhaust main pipe, a fan, a plurality of exhaust branch pipes and a plurality of test boards; the test board is connected with the exhaust branch pipes in a one-to-one correspondence mode, the multi-path exhaust branch pipes are connected to the exhaust main pipe, the exhaust branch pipes are provided with pneumatic valves, pressure sensors are arranged between the test board and the pneumatic valves, the fan is arranged at the air outlet end of the exhaust main pipe, and the control board is in communication connection with the fan, the test board, the pressure sensors and the pneumatic valves. Compared with the prior art, the utility model discloses at testboard exhaust in-process, the exhaust branch pipe through controlling other testboards open the state of opening of pneumatic valve, can prevent that exhaust waste gas from flowing into other testboards, and then protective apparatus, through the running state of control fan, combines pressure sensor's pressure data, can control the pressure of the terminal gas vent of testboard, provides the exhaust passage of low flow resistance for the testboard.

Description

Fuel cell testboard exhaust pipe central control system

Technical Field

The utility model belongs to the technical field of the fuel cell test technique and specifically relates to a fuel cell testboard exhaust pipe center control system is related to.

Background

Various tests are required during fuel cell development. The stack test stand, system test stand, etc. in the fuel cell laboratory will generate a large amount of exhaust gas during the test, which needs to be exhausted out of the laboratory through an exhaust line. When test bench quantity is more in the laboratory, the quantity of exhaust pipe is also more, and the pipe arrangement is complicated, and for avoiding exhaust pipe too much, in the laboratory at present, exhaust pipe connects many test benches, and multichannel exhaust pipe connects in parallel to the exhaust main pipe, then the main pipe is in line.

However, the testboard has the requirement of accuse pressure to the piece to be measured, therefore the flow resistance of exhaust pipe should satisfy the requirement of testboard, and among the present exhaust pipe layout scheme, the main line actually connects many equipment, can appear exhausting and flow into other testboards scheduling problem, influence equipment. Meanwhile, the flow resistance is possibly too large due to the overlong exhaust main pipeline, and the pressure of an exhaust port of the equipment cannot meet the requirement of the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fuel cell testboard exhaust pipe center control system in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

a central control system for an exhaust pipeline of a fuel cell test bench comprises a control console, an exhaust main pipe, a fan, a plurality of exhaust branch pipes and a plurality of test benches;

the test board is connected with the exhaust branch pipes in a one-to-one correspondence mode, the multi-path exhaust branch pipes are connected to the exhaust main pipe, the exhaust branch pipes are provided with pneumatic valves, a pressure sensor is arranged between the test board and the pneumatic valves, the fan is arranged at the air outlet end of the exhaust main pipe, and the control console is in communication connection with the fan, the test board, the pressure sensor and the pneumatic valves.

Preferably, the console comprises a data acquisition module, a data processing module and an execution module, the data acquisition module is used for acquiring the equipment states of the fan, the test bench, the pressure sensor and the pneumatic valve, the data processing module is used for processing the control logics of the fan and the pneumatic valve, and the execution module is used for controlling the equipment states of the fan and the pneumatic valve.

Preferably, the test board is provided with a data sending unit for sending an exhaust signal of the test board and the requirement of the tail end exhaust pressure of the test board, and the data sending unit is in communication connection with the data acquisition module.

Preferably, the execution module comprises a pneumatic valve switch unit, a fan switch unit and a fan power adjusting unit, wherein the pneumatic valve switch unit is used for opening and closing the pneumatic valve, the fan switch unit is used for opening and closing the fan, and the fan power adjusting unit is used for adjusting the operating power of the fan.

Preferably, the air inlet end and the air outlet end of the exhaust branch pipe are respectively connected with the test board and the exhaust main pipe, the air inlet end of the exhaust main pipe is closed, and the air outlet end is connected with the waste gas treatment device.

Preferably, the control console is in communication connection with the fan, the test bench, the pressure sensor and the pneumatic valve through data lines.

Preferably, the console comprises a display module for displaying the equipment states of the fan, the test bench, the pressure sensor and the pneumatic valve.

Preferably, the display module is a liquid crystal display screen.

Preferably, the alarm device further comprises an alarm device, wherein the alarm device is in communication connection with the console and used for sending alarm information.

Preferably, the alarm comprises a buzzer and an LED lamp.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) in the exhaust process of the test board, the start-stop state of the pneumatic valves on the exhaust branch pipes of other test boards is controlled, so that the exhausted waste gas can be prevented from flowing into other test boards, and equipment is protected.

(2) In the exhaust process of the test board, the pressure of the exhaust port at the tail end of the test board can be controlled by controlling the running state of the fan and combining the pressure data of the pressure sensor, so that an exhaust channel with low flow resistance is provided for the test board.

(3) In the exhaust process of the test board, whether the pneumatic valves on the exhaust branch pipes of other test boards are smoothly closed can be judged by monitoring the pressure data on the exhaust branch pipes of other test boards, and then the exhausted waste gas is prevented from flowing into other test boards.

Drawings

Fig. 1 is a schematic structural view of the present invention;

reference numerals: 1. the device comprises a control console, 2, an exhaust main pipe, 3, a fan, 4, an exhaust branch pipe, 5, a test bench, 6, a pneumatic valve, 7 and a pressure sensor.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. Parts are exaggerated in the drawing where appropriate for clarity of illustration.

Example 1:

a central control system of an exhaust pipeline of a fuel cell test bench is shown in figure 1 and comprises a control bench 1, an exhaust main pipe 2, a fan 3, a plurality of exhaust branch pipes 4 and a plurality of test benches 5;

in terms of the pipeline connection relationship, the test tables 5 are connected with the exhaust branch pipes 4 in a one-to-one correspondence manner, the multi-path exhaust branch pipes 4 are connected to the exhaust main pipe 2, and the exhaust gas is directly discharged from the exhaust main pipe 2. Install pneumatic valve 6 on every exhaust branch pipe 4, install pressure sensor 7 between testboard 5 and the pneumatic valve 6, pneumatic valve 6 is used for controlling the break-make of exhaust branch pipe 4 and exhaust main pipe 2, pressure sensor 7 is used for monitoring the pressure of exhaust branch pipe 4 (testboard 5 is terminal promptly), fan 3 installs the end of giving vent to anger at exhaust main pipe 2, the operation of fan 3 can change the pressure of exhaust main pipe 2, and then adjust the pressure of exhaust branch pipe 4, the terminal pressure of control testboard 5. Console 1 and fan 3, testboard 5, pressure sensor 7 and pneumatic valve 6 communication connection, in this embodiment, console 1 passes through data line and fan 3, testboard 5, pressure sensor 7 and pneumatic valve 6 communication connection.

An exhaust branch pipe 4 is correspondingly connected with a test bench 5 and used for discharging waste gas generated in the test process, and the air inlet end and the air outlet end of the exhaust branch pipe 4 are respectively connected with the test bench 5 and the exhaust main pipe 2; the air inlet end of the exhaust main pipe 2 is closed, the air outlet end is connected with a waste gas treatment device, and waste gas is directly discharged from the exhaust main pipe 2.

The control console 1 comprises a data acquisition module, a data processing module and an execution module, wherein the data acquisition module is used for acquiring the equipment states of the fan 3, the test bench 5, the pressure sensor 7 and the pneumatic valve 6, the data processing module is used for processing the control logics of the fan 3 and the pneumatic valve 6, the opening and closing of the pneumatic valve 6 are judged according to exhaust signals, the power of the fan 3 is calculated according to the real-time pressure data and the tail end exhaust pressure requirement of the equipment, and the execution module is used for controlling the equipment states of the fan 3 and the pneumatic valve 6.

Console 1 includes display module for show fan 3, testboard 5, pressure sensor 7 and pneumatic valve 6's equipment state in real time, the operating personnel of being convenient for looks over, in this embodiment, display module is liquid crystal display.

The test bench 5 is provided with a data sending unit for sending the exhaust signal of the test bench 5 and the requirement of the tail end exhaust pressure of the test bench 5, and the data sending unit is in communication connection with the data acquisition module.

The execution module comprises a pneumatic valve 6 switch unit, a fan 3 switch unit and a fan 3 power adjusting unit, wherein the pneumatic valve 6 switch unit is used for opening and closing the pneumatic valve 6, the fan 3 switch unit is used for opening and closing the fan 3, and the fan 3 power adjusting unit is used for adjusting the operating power of the fan 3.

The application comprises the following steps:

the control desk 1 receives the exhaust signal sent by the test desk 5, sends out a signal, controls the pneumatic valves 6 on the exhaust branch pipes 4 corresponding to the test desk 5 in the exhaust state to be opened, and simultaneously controls the pneumatic valves 6 on the exhaust branch pipes 4 corresponding to other test desks 5 to be closed, so that the exhausted gas is prevented from entering other test desks 5 to damage the test desks 5 and the tested pieces; the pressure data of the exhaust branch pipe 4 corresponding to the test bench 5 in the exhaust state is monitored in real time through the pressure sensor 7, a signal is sent out by combining the tail end exhaust pressure requirement of the test bench 5, the running power of the fan 3 is controlled, and feedback regulation is carried out to ensure that the exhaust pressure at the tail end of the test bench 5 meets the requirement of the test bench 5. It can be understood that, when the number of the test benches 5 in the exhaust state is large, the operation power of the fan 3 will be increased to ensure the exhaust gas to be smoothly exhausted.

Meanwhile, in the exhaust process of the test board 5, the pressure of each exhaust branch pipe 4 corresponding to other test boards 5 can be monitored in real time, and the opening and closing state of the pneumatic valve 6 on the exhaust branch pipe 4 is judged by combining pressure data, so that the condition that the theoretically closed pneumatic valve 6 is opened due to faults is avoided, and the test board 5 and a tested piece are protected.

This application includes the alarm, alarm and 1 communication connection of control cabinet for send alarm information, can report to the police under the unusual circumstances such as pressure data, 6 switching of pneumatic valve, in order to remind operating personnel, in this embodiment, the alarm includes bee calling organ and LED lamp.

Through this application, in the exhaust system of a plurality of testboards 5 in laboratory, can control opening of 4 pneumatic valves 6 of exhaust branch pipe and stop the state, can prevent that exhaust waste gas from flowing into other testboards 5, and then protective apparatus, through the running state of control fan 3, combine pressure sensor 7's pressure data, can satisfy the pressure demand of the terminal gas vent of equipment, provide the exhaust passage of low flow resistance for testboard 5.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A central control system for an exhaust pipeline of a fuel cell test bench is characterized by comprising a control console, an exhaust main pipe, a fan, a plurality of exhaust branch pipes and a plurality of test benches;

2. The exhaust pipeline central control system of the fuel cell test bench according to claim 1, wherein the control bench comprises a data acquisition module, a data processing module and an execution module, the data acquisition module is used for acquiring the equipment states of the fan, the test bench, the pressure sensor and the pneumatic valve, the data processing module is used for processing the control logic of the fan and the pneumatic valve, and the execution module is used for controlling the equipment states of the fan and the pneumatic valve.

3. The fuel cell test bench exhaust pipeline central control system according to claim 2, wherein a data sending unit is arranged on the test bench and used for sending an exhaust signal of the test bench and a requirement for exhaust pressure at the tail end of the test bench, and the data sending unit is in communication connection with the data acquisition module.

4. The exhaust pipeline central control system of the fuel cell test bench according to claim 2, wherein the execution module comprises a pneumatic valve switch unit, a fan switch unit and a fan power adjusting unit, the pneumatic valve switch unit is used for opening and closing the pneumatic valve, the fan switch unit is used for opening and closing the fan, and the fan power adjusting unit is used for adjusting the operation power of the fan.

5. The central control system of an exhaust pipeline of a fuel cell test bench according to claim 1, wherein the inlet end and the outlet end of the exhaust branch pipe are respectively connected with the test bench and the exhaust main pipe, the inlet end of the exhaust main pipe is closed, and the outlet end is connected with an exhaust gas treatment device.

6. The fuel cell test bench exhaust pipeline central control system according to claim 1, wherein the control bench is in communication connection with the fan, the test bench, the pressure sensor and the pneumatic valve through data lines.

7. The exhaust pipeline central control system of the fuel cell test bench according to claim 1, wherein the console comprises a display module for displaying the equipment status of the blower, the test bench, the pressure sensor and the pneumatic valve.

8. The exhaust pipeline central control system of the fuel cell test bench according to claim 7, wherein the display module is a liquid crystal display.

9. The exhaust pipeline central control system of the fuel cell test bench according to claim 1, further comprising an alarm, wherein the alarm is in communication connection with the console and is used for sending alarm information.

10. The exhaust pipeline central control system for the fuel cell test bench according to claim 9, wherein the alarm comprises a buzzer and an LED lamp.