CN218160469U

CN218160469U - Antifreeze fluid recovery device for fuel cell engine system test board

Info

Publication number: CN218160469U
Application number: CN202220237620.7U
Authority: CN
Inventors: 陈新; 孙贺; 朱杰; 王永湛; 甘全全; 戴威
Original assignee: Shanghai Shenli Technology Co Ltd
Current assignee: Shanghai Shenli Technology Co Ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-12-27
Anticipated expiration: 2032-01-28

Abstract

The utility model relates to a fuel cell engine system test board antifreeze solution recovery device, which comprises a water replenishing tank and a plate heat exchanger, wherein the output end of the water replenishing tank is connected to a second heat exchange pipeline of the plate heat exchanger, and the input end and the output end of the second heat exchange pipeline of the plate heat exchanger are both connected to a fuel cell engine; the device still includes recovery tank, drainage solenoid valve and suction pump, and recovery tank's input is connected to plate heat exchanger's second heat transfer pipeline, and the output is connected to the input of suction pump, and the output of suction pump is connected to the input of moisturizing case, and the drainage solenoid valve is located on the pipeline of connecting recovery tank and plate heat exchanger. Compared with the prior art, the utility model discloses a set up recovery water tank, drainage electronic valve and suction pump, can realize carrying the moisturizing box to the collection of antifreeze, retrieve the test and use antifreeze.

Description

Antifreeze fluid recovery device for fuel cell engine system test board

Technical Field

The utility model relates to an antifreeze solution recovery unit especially relates to a fuel cell engine system testboard antifreeze solution recovery unit.

Background

The fuel cell is more and more widely applied as a new energy technology, the core of a fuel cell vehicle is a fuel cell engine, each engine needs to be detected before leaving a factory, the existing fuel cell engine test bench is cooled by deionized water, after the test is finished, a galvanic pile waterway is swept and directly enters a test bench drainage system and is directly drained into a floor drain, and if the test is carried out by using an anti-freezing solution for the vehicle in winter, the direct drainage into the floor drain causes huge waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fuel cell engine system testboard antifreeze solution recovery unit, through setting up recovery tank, drainage electronic valve and suction pump, can realize carrying the water tank of mending back to the collection of antifreeze solution, retrieve the test and use antifreeze solution.

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

the anti-freezing solution recovery device for the fuel cell engine system test board comprises a water supplementing tank and a plate type heat exchanger, wherein the output end of the water supplementing tank is connected to a second heat exchange pipeline of the plate type heat exchanger, and the input end and the output end of the second heat exchange pipeline of the plate type heat exchanger are both connected to a fuel cell engine; the device still includes recovery tank, drainage solenoid valve and suction pump, recovery tank's input is connected to plate heat exchanger's second heat transfer pipeline, and the output is connected to the input of suction pump, the output of suction pump is connected to the input of moisturizing case, the drainage solenoid valve is located on the pipeline of connecting recovery tank and plate heat exchanger.

The device also comprises a frame, the water replenishing tank is positioned at the top of the frame, and the water recovery tank is positioned at the bottom of the frame.

The water suction pump is arranged on the frame and is positioned above the recovery water tank.

The water suction pump is a diaphragm water suction pump.

And a liquid level meter is also arranged on the recovery water tank.

The liquid level meter is a glass tube liquid level meter and is arranged on the side wall of the recovery water tank, and the upper end and the lower end of the liquid level meter are communicated with the recovery water tank.

The liquid level meter is an electronic liquid level meter.

The device also comprises a controller, wherein the controller is respectively connected with the liquid level meter and the water suction pump.

The volume of the recovery water tank is 100L, and the volume of the water replenishing tank is 10L.

The device also comprises an air compressor, wherein the air compressor is connected to a second heat exchange pipeline of the plate type heat exchanger.

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

1. by arranging the recovery water tank, the drainage electronic valve and the water suction pump, the anti-freezing fluid can be collected and conveyed to the recharging water tank, and the anti-freezing fluid for testing is recovered.

2. Through setting up vertical frame, improved the integrated level, reduced area occupied.

3. The electronic liquid level meter is adopted and matched with the controller, so that the automatic water replenishing function of the test board can be realized.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural diagram in an embodiment of the present invention;

wherein: 1. the system comprises a recovery water tank, 2, a diaphragm water pump, 3, a liquid level meter, 4, a drainage electromagnetic valve, 5, a plate type heat exchanger, 6, a water replenishing tank, 7 and a fuel cell engine.

Detailed Description

The present invention will be described in detail below 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.

When a fuel cell engine is debugged by adopting antifreeze, the heat generated by the running of a galvanic pile is taken away through the antifreeze, and the heat of the antifreeze is taken away through an external cold medium by a plate heat exchanger.

A device for recovering antifreeze from a test bench of a fuel cell engine system comprises a water supplementing tank 6 and a plate heat exchanger 5, wherein the output end of the water supplementing tank is connected to a second heat exchange pipeline of the plate heat exchanger 5, and the input end and the output end of the second heat exchange pipeline of the plate heat exchanger 5 are both connected to a fuel cell engine 7; the device still includes recovery water tank 1, drainage solenoid valve 4 and suction pump, and recovery water tank 1's input is connected to plate heat exchanger 5's second heat transfer pipeline, and the output is connected to the input of suction pump, and the output of suction pump is connected to the input of moisturizing case 6, and drainage solenoid valve 4 is located on the pipeline of connecting recovery water tank 1 and plate heat exchanger 5.

By arranging the recovery water tank 1, the drainage electronic valve 4 and the water suction pump, the anti-freezing fluid can be collected and conveyed to the back-supplementing water tank 6, and the anti-freezing fluid for testing is recovered.

In this embodiment, the volume of recovery water tank 1 is 100L, and the volume of moisturizing case 6 is 10L to can adapt to 150kW fuel cell engine system test platform well, the device still includes the frame, and moisturizing case 6 is located the top of frame, and recovery water tank 1 is located the bottom of frame. The suction pump is installed in the frame to be located recovery tank 1's top, through setting up vertical frame, improved the integrated level, reduced area occupied, moisturizing case 6 is located the high point, can be very convenient utilize gravity to realize the moisturizing, and recovery tank 1 that is located the low point is because the volume is bigger, can play the effect that reduces the focus, forms better breeding, thereby improve equipment's stability. Similarly, the drain solenoid valve 4 is also installed at the lowest point, and the drain solenoid valve 4 may be installed on the recovery water tank 1 as shown in fig. 2, in particular, by being manually or automatically controlled in cooperation with a controller.

In this embodiment, the water pump is a diaphragm water pump 2, and may be used to deliver fluids with unstable chemical properties, to avoid contamination, and the like.

In addition, in some embodiments, the recovery water tank 1 is further provided with a liquid level meter 3, in one embodiment, the liquid level meter 3 is a glass tube liquid level meter, and is arranged on a side wall of the recovery water tank 1, and upper and lower ends of the liquid level meter are communicated with the recovery water tank 1, so that liquid level observation can be performed in a visual manner, and the recovery water tank is started, although in other embodiments, the liquid level meter 3 is an electronic liquid level meter, for this purpose, automatic control can be realized by configuring a controller, and the controller is respectively connected with the liquid level meter 3 and the water suction pump, for example, the liquid level meter converts a measured liquid level value into a voltage signal and transmits the voltage signal to the controller, the controller compares the voltage signal with a preconfigured threshold value, and when the voltage signal exceeds or is lower than the preconfigured threshold value, the diaphragm water suction pump 2 is started, and an automatic water replenishing function of the test bench can be realized. In particular, the control logic needs to be determined according to the choice of the gauge 3, when the output voltage of the gauge 3 increases with increasing liquid level, it controls the operation of the membrane pump 2 when a pre-configured threshold is exceeded.

In addition, in this embodiment, the device still includes the air compressor machine, and the air compressor machine is connected to plate heat exchanger 5's second heat transfer pipeline, can realize sweeping the function.

The heat that produces in 7 debugs of fuel cell engine need dispel the heat through plate heat exchanger, and this function is realized through certain coolant to the testboard, and after the engine debugging, in order to prevent to remain in the galvanic pile has the cooling water, damages the galvanic pile when meetting low temperature, needs to carry out the sweeping of galvanic pile cooling channel with compressed air, and coolant gets into the floor drain and can not reuse, causes a large amount of wastes. This application is through increasing antifreeze solution recovery tank and diaphragm suction pump, gets into recovery tank 1 through drainage solenoid valve 4 after sweeping, when changing another engine and testing, sends antifreeze solution to moisturizing case 6 through diaphragm suction pump 2, realizes reuse.

Claims

1. The antifreeze solution recovery device for the test board of the fuel cell engine system comprises a water supplementing tank (6) and a plate type heat exchanger (5), wherein the output end of the water supplementing tank is connected to a second heat exchange pipeline of the plate type heat exchanger (5), and the input end and the output end of the second heat exchange pipeline of the plate type heat exchanger (5) are both connected to a fuel cell engine; the device is characterized by further comprising a recovery water tank (1), a drainage electromagnetic valve (4) and a water suction pump, wherein the input end of the recovery water tank (1) is connected to a second heat exchange pipeline of the plate type heat exchanger (5), the output end of the recovery water tank is connected to the input end of the water suction pump, the output end of the water suction pump is connected to the input end of a water supplementing tank (6), and the drainage electromagnetic valve (4) is arranged on a pipeline connecting the recovery water tank (1) and the plate type heat exchanger (5).

2. The device for recycling antifreeze solution from a test bench of a fuel cell engine system, according to claim 1, further comprises a frame, wherein the water replenishing tank (6) is located at the top of the frame, and the recycling water tank (1) is located at the bottom of the frame.

3. The device for recycling antifreeze solution from a test bench of a fuel cell engine system, according to claim 2, wherein said water pump is mounted on the frame and above the recycling water tank (1).

4. The device for recovering antifreeze solution from a test bench of a fuel cell engine system, according to claim 1, wherein said water pump is a diaphragm water pump (2).

5. The antifreeze solution recovery device for the test bench of the fuel cell engine system according to claim 1, wherein a liquid level meter (3) is further provided on the recovery water tank (1).

6. The antifreeze solution recovery device for the test bench of the fuel cell engine system according to claim 5, wherein the liquid level meter (3) is a glass tube liquid level meter, is arranged on the side wall of the recovery water tank (1), and is communicated with the recovery water tank (1) at the upper end and the lower end.

7. The device for recycling antifreeze solution from a test bench of a fuel cell engine system, according to claim 5, wherein said liquid level meter (3) is an electronic liquid level meter.

8. The device for recovering antifreeze solution from a test bench of a fuel cell engine system, according to claim 7, further comprising a controller, wherein the controller is connected to the liquid level meter (3) and the water pump, respectively.

9. The antifreeze solution recovery device for the test bench of the fuel cell engine system according to claim 1, wherein the volume of the recovery water tank (1) is 100L, and the volume of the water supplement tank (6) is 10L.

10. The device for recovering antifreeze solution from the test bench of the fuel cell engine system according to claim 1, further comprising an air compressor, wherein the air compressor is connected to the second heat exchange pipeline of the plate heat exchanger (5).