CN211697409U

CN211697409U - Performance test system of humidifier and deionization filter

Info

Publication number: CN211697409U
Application number: CN202020079481.0U
Authority: CN
Inventors: 华周发; 孙鹏; 孙博; 绳立威
Original assignee: Shandong Cube New Energy Technology Co Ltd
Current assignee: Mofang Hydrogen Energy Technology (Jiangsu) Co., Ltd.
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-16
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a humidifier and deionization filter's capability test system. The system comprises an air inlet adjusting mechanism of a humidifier performance testing device, an air detection mechanism and a control mechanism, wherein the air inlet adjusting mechanism is used for adjusting the air inlet pressure and the temperature and humidity of a humidifier; the deionization filter performance testing device comprises a circulating water path assembly connected with the deionization filter in series, a conductivity testing mechanism for detecting the conductivity of the circulating water path assembly, and a water pressure detecting mechanism for detecting the pressure of the water inlet end and the water outlet end of the deionization filter. According to the system, the air inlet adjusting mechanism adjusts the pressure and the temperature and humidity of the air inlet end of dry and wet air of the humidifier, and the air detecting mechanism detects the temperature, the humidity and the pressure data of the air inlet end and the air outlet end of the humidifier, so that whether the humidification effect of the humidifier meets the actual operation requirement or not is judged; and controlling the flow of the circulating water path assembly, detecting and comparing the pressure of the water inlet and the water outlet of the deionizing filter and the conductivity of the circulating water path, and judging the working effect of the deionizing filter.

Description

Performance test system of humidifier and deionization filter

Technical Field

The utility model relates to a fuel cell technical field especially relates to a humidifier and deionization filter's capability test system.

Background

Both the air and hydrogen streams must be humidified at the fuel cell inlet. Hydrogen humidification is to ensure that electroosmotic migration does not dry out the anode side of the membrane; humidification of the air is to ensure that excess dry gas does not remove water in the inlet region at a rate higher than the rate at which water is produced by the electrochemical reaction; meanwhile, the conductivity of water used for circulating heat dissipation of each part needs to be effectively controlled, so that the humidifier and the deionization filter need to be tested to determine whether the requirements are met, and a special fuel cell humidifier and deionization filter testing system is not provided at present, so that the testing work is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test system of test humidifier and deionization filter's performance quick accurate to the above-mentioned not enough of prior art.

The utility model discloses a performance test system of a humidifier and a deionization filter, which comprises a humidifier performance test device and a deionization filter performance test device; the humidifier performance testing device comprises an air inlet adjusting mechanism and a gas detection mechanism, wherein the air inlet adjusting mechanism is used for adjusting the air inlet pressure and the temperature and humidity of a dry air inlet and a wet air inlet of the humidifier, and the gas detection mechanism is used for detecting the pressure and the temperature and humidity of the dry air inlet, the wet air inlet, a dry air outlet and a wet air outlet of the humidifier; the device for testing the performance of the deionization filter comprises a circulating water path assembly connected with the deionization filter in series, a conductivity testing mechanism used for detecting the conductivity of the circulating water path assembly, and a water pressure detecting mechanism used for detecting the pressure of the water inlet end and the water outlet end of the deionization filter.

Preferably, the air inlet adjusting mechanism comprises a dry air inlet pipeline, a wet air inlet pipeline, a gas humidifier, two air compressors and two throttle valves respectively arranged at air outlet ends of the two air compressors, wherein the air outlet end of one air compressor is communicated with a dry air inlet of the humidifier through the dry air inlet pipeline, the air outlet end of the other air compressor is communicated with an air inlet of the gas humidifier through the gas humidifier, and an air outlet of the gas humidifier is communicated with a wet air inlet of the humidifier through the wet air inlet pipeline.

Preferably, the gas detection mechanism is including setting up dry air pressure sensor and the dry air humiture sensor that admits air on the dry air inlet pipe way, set up and be in the dry air pressure sensor and the dry air humiture sensor that gives vent to anger of the dry air export of humidifier, set up and be in the wet air pressure sensor and the wet air humiture sensor that admits air of admitting air on the wet air inlet pipe way, and set up and be in the wet air pressure sensor and the wet air humiture sensor that gives vent to anger of the wet air export of humidifier.

Preferably, the circulation water path assembly comprises a circulation water pipe, a circulation water pump, a water tank and a water flow regulating valve, the water tank, the circulation water pump and the deionization filter are connected in series through the circulation water pipe to form a closed loop, and the water flow regulating valve is arranged on the circulation water pipe and used for regulating the flow of the circulation water pipe.

Preferably, the conductivity testing mechanism comprises a conductivity tester arranged on the circulating water pipe, and the water pressure detecting mechanism comprises two water pressure sensors which are respectively arranged at the water inlet and the water outlet of the deionization filter.

Preferably, the air inlet adjusting mechanism further comprises an intercooler, a hot runner of the intercooler is connected in series to the dry air inlet pipeline, and a cold runner of the intercooler is connected in series to the circulating water pipe.

Preferably, the test system further comprises a control display device, the control display device comprises a controller and a display, the controller is electrically connected with the air inlet adjusting mechanism, the gas detection mechanism and the circulating water path assembly respectively, and the display is electrically connected with the controller, the conductivity test mechanism and the water pressure detection mechanism respectively.

Preferably, the air inlet ends of the two air compressors are provided with air filters.

Preferably, the air inlet ends of the two air compressors are respectively provided with a flow sensor for detecting the air inlet flow of the air compressors.

Preferably, two the inlet end of air compressor machine all is equipped with the pneumatics temperature sensor that admits air that is equipped with the air pressure sensor that is used for detecting its admission pressure and the temperature of admitting air.

The utility model discloses a performance test system of humidifier and deionization filter detects time measuring at the performance to the humidifier, admit air through admitting air adjustment mechanism simulation fuel cell and fuel cell waste gas admit air, adjust the pressure of humidifier moisture inlet end through the adjustment mechanism that admits air, simulate the actual parameter under the different work condition, detect temperature, humidity and the pressure data of humidifier business turn over gas end through gas detection mechanism, contrast two sets of data, thereby judge whether the humidification effect of humidifier satisfies the actual operation demand. When the performance of the deionization filter is detected, the pressure of the water inlet and the water outlet of the deionization filter and the conductivity of the circulating water path are detected and compared by controlling the flow of the circulating water path assembly, so that whether the working effect of the deionization filter meets the actual operation requirement or not is judged.

Drawings

Fig. 1 is a schematic structural diagram of a performance testing system for a humidifier and a deionization filter according to the present invention.

100-humidifier performance testing device; 200-deionization filter performance testing device; 300-a control display device; 1-a controller; 2-a display; 3-an air intake adjusting mechanism; 30-air filtering; 31-dry air intake line; 32-a humid air intake line; 33-a gas humidifier; 34-an air compressor; 35-a throttle valve; 36-an intercooler; 37-a flow sensor; 38-air pressure intake pressure sensor; 39-air pressure intake air temperature sensor; 4-a gas detection mechanism; 41-dry air inlet pressure sensor; 42-dry air intake temperature and humidity sensor; 43-dry air outlet pressure sensor; 44-dry air outlet temperature and humidity sensor; 45-humid air intake pressure sensor; 46-a humid air intake temperature and humidity sensor; 47-humid air outlet pressure sensor; 48-a humid air outlet temperature and humidity sensor; 5-a humidifier; 51-dry air inlet; 52-wet air inlet; 53-dry air outlet; 54-a humid air outlet; 6-a deionization filter; 7-a circulating waterway assembly; 71-a circulating water pipe; 72-circulating water pump; 73-a water tank; 74-water flow regulating valve; 8-conductivity testing mechanism; 81-conductivity tester; 9-a water pressure detection mechanism; 91-water pressure sensor.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the performance testing system for a humidifier and a deionization filter of the present invention includes a humidifier performance testing apparatus 100 and a deionization filter performance testing apparatus 200; the humidifier performance testing device 100 comprises an air inlet adjusting mechanism 3 and an air detecting mechanism 4, wherein the air inlet adjusting mechanism 3 is used for adjusting the air inlet pressure and the temperature and the humidity of a dry air inlet 51 and a wet air inlet 52 of a humidifier 5, and the air detecting mechanism 4 is used for detecting the pressure and the temperature and the humidity of the dry air inlet 51, the wet air inlet 52, a dry air outlet 53 and a wet air outlet 54 of the humidifier 5; the deionization filter performance test apparatus 200 includes a circulation water path assembly 7 connected in series with a deionization filter 6, a conductivity test mechanism 8 for detecting the conductivity of the circulation water path assembly 7, and a water pressure detection mechanism 9 for detecting the pressure at the water inlet and outlet ends of the deionization filter 6.

The utility model discloses a performance test system of humidifier and deionization filter detects time measuring at the performance to humidifier 5, admit air through the air inlet adjustment mechanism 3 simulation fuel cell and fuel cell waste gas admits air, adjust the pressure of humidifier 5 dry wet gas inlet end through the air inlet adjustment mechanism 3, simulate actual parameter under the different operating modes, detect temperature, humidity and the pressure data of humidifier 5 business turn over gas end through gas detection mechanism 4, contrast two sets of data, thereby judge whether the humidification effect of humidifier 5 satisfies the actual operation demand. When the performance of the deionization filter 6 is detected, the pressure of the water inlet and the water outlet of the deionization filter 6 and the conductivity of the circulating water path are detected and compared by controlling the flow of the circulating water path component 7, so that whether the working effect of the deionization filter 6 meets the actual operation requirement or not is judged.

The structure of the air intake adjusting mechanism 3 is various, and is not limited herein, in this embodiment, the air intake adjusting mechanism 3 may include a dry air intake pipeline 31, a wet air intake pipeline 32, a gas humidifier 33, two air compressors 34, and two throttle valves 35 respectively disposed at air outlet ends of the two air compressors 34, an air outlet end of one air compressor 34 is communicated with a dry air inlet 51 of the humidifier 5 through the dry air intake pipeline 31, an air outlet end of the other air compressor 34 is communicated with an air inlet of the gas humidifier 33 through an air inlet of the gas humidifier 33, and an air outlet of the gas humidifier 33 is communicated with a wet air inlet 52 of the humidifier 5 through the wet air intake pipeline 32. The air flow under different working conditions is collected by controlling the opening degrees of the air compressor 34 and the throttle valve 35, and then the inlet and outlet pressure and the temperature and humidity change of the humidifier 5 are detected by the gas detection mechanism 4, so that whether the humidification effect of the humidifier 5 meets the actual operation requirement or not is judged.

The gas detecting mechanism 4 has various structures, which are not limited herein, in this embodiment, the gas detecting mechanism 4 may include a dry air inlet pressure sensor 41 and a dry air inlet temperature and humidity sensor 42 disposed on the dry air inlet pipeline 31 for detecting the gas pressure and the gas temperature and humidity in the dry air inlet pipeline 31, a dry air outlet pressure sensor 43 and a dry air outlet temperature and humidity sensor 44 disposed on the dry air outlet 53 of the humidifier 5 for detecting the gas pressure and the gas temperature and humidity in the dry air outlet 53, a wet air inlet pressure sensor 45 and a wet air inlet temperature and humidity sensor 46 disposed on the wet air inlet pipeline 32 for detecting the gas pressure and the gas temperature and humidity in the wet air inlet pipeline 32, and a wet air outlet pressure sensor 47 and a wet air outlet temperature and humidity sensor 48 disposed on the wet air outlet 54 of the humidifier 5, for detecting the gas pressure and the gas temperature and humidity at the wet air outlet 54, and then comparing the data detected by the gas detection mechanism 4, thereby accurately judging the working effect of the humidifier 5. If the pressure change difference of the dry air inlet and outlet of the humidifier 5 is large or the pressure change difference of the wet air inlet and outlet of the humidifier 5 is large, it indicates that the internal resistance of the humidifier 5 is too large, and the design needs to be modified; when the dry air comes out, the pressure is slightly increased than that of the air inlet, and the amplitude is less than 10 kPa; the pressure of the wet air after coming out is reduced compared with that of the air inlet, the pressure drop is less than 30kPa, the working effect is satisfied, the humidity of the dry air is obviously increased after the dry air is humidified by the humidifier 5, the humidity of the wet air coming out of the humidifier 5 is obviously reduced, the working effect of the humidifier 5 is good, and the temperature change is not limited and is only monitored.

The circulating water path assembly 7 has various structures, which are not limited herein, in this embodiment, the circulating water path assembly 7 may include a circulating water pipe 71, a circulating water pump 72, a water tank 73, and a water flow regulating valve 74, the water tank 73, the circulating water pump 72, and the deionization filter 6 are connected in series via the circulating water pipe 71 to form a closed loop, and the water flow regulating valve 74 is disposed on the circulating water pipe 71 and is used for regulating the flow rate of the circulating water pipe 71. Here, the flow rate of the circulating water path is controlled by controlling the rotational speed of the circulating water pump 72 and adjusting the opening degree of the water flow regulating valve 74, and the operation effect of the deionizing filter 6 is judged by detecting the pressure of the water inlet/outlet port of the deionizing filter 6 and the conductivity of the water path by the conductivity measuring means 8 and the water pressure detecting means 9.

The conductivity testing mechanism 8 has various structures, which are not limited herein, in this embodiment, preferably, the conductivity testing mechanism 8 includes a conductivity tester 81 disposed on the circulating water pipe 71, the water pressure detecting mechanism 9 includes two water pressure sensors 91, the two water pressure sensors 91 are disposed at the water inlet and the water outlet of the deionization filter 6, respectively, detect the pressures at the water inlet and the water outlet of the deionization filter 6, compare the two sets of data, and if the difference between the pressures at the water inlet and the water outlet of the deionization filter 6 is too large, for example, the difference exceeds 40kPa, it indicates that the internal resistance of the deionization filter 6 is too large, which does not meet the actual operation requirement. The data detected by the conductivity tester 81 every 1 minute is recorded, and if the conductivity of the inlet and outlet water of the ion filter does not change much all the time, the ion filter does not work well.

The air inlet adjusting mechanism 3 may further include an intercooler 36, a hot runner of the intercooler 36 is connected in series to the dry air inlet pipeline 31, and a cold runner is connected in series to the circulating water pipe 71, and is used for cooling the air compressed by the air compressor 34, where other cold media are also available except for performing heat exchange cooling with water of the circulating water pipe 71, which is originally used for measurement, so that the equipment is simpler, and reintroduction of new refrigerant is also avoided.

In order to further realize automation, the test system further comprises a control display device 300, the control display device 300 comprises a controller 1 and a display 2, the controller 1 is respectively and electrically connected with the air inlet adjusting mechanism 3, the gas detection mechanism 4 and the circulating water path assembly 7, and the display 2 is respectively and electrically connected with the controller 1, the conductivity test mechanism 8 and the water pressure detection mechanism 9. The controller 1 controls and adjusts the air inlet adjusting mechanism 3 according to the temperature, humidity and pressure data of the air inlet end of the dry and wet air of the humidifier 5 detected by the air detecting mechanism 4, and simulates actual operation conditions, so that the temperature, pressure and humidity of the air inlet end of the dry and wet air of the humidifier 5 reach experimental requirement conditions, then the obtained temperature, pressure and humidity of the air inlet end and the air outlet end of the dry and wet air of the humidifier 5 are transmitted to the display 2 to be displayed, and convenience is brought to an operator to judge, the controller 1 adjusts the circulating water path component 7 to control the flow of the circulating water path component 7 entering the deionization filter 6, and then the conductivity testing mechanism 8 and the water pressure detecting mechanism 9 transmit the detected pressure and conductivity of the water inlet and outlet of the deionization filter 6 to the display 2 to be displayed, and convenience is brought to the operator to.

The controller 1 has various structures, which are not limited herein, and the controller 1 may include a humidifier 5 control mechanism and a deionization filter 6 control mechanism, and the humidifier 5 control mechanism may further include a dry air control structure and a wet air control structure, taking the dry air control structure as an example, for example: the dry air control structure may include a receiving unit connected to the dry air inlet 51 pressure sensor, the dry air temperature and humidity sensor, and the comparing unit, respectively, and the display 2, a comparing unit connected to the comparing unit, and the air compressor 34 and the throttle valve 35, respectively. The receiving unit receives the pressure value and the temperature and humidity value of the inlet of the humidifier 5 detected by the dry air inlet 51 pressure sensor and the dry air temperature and humidity sensor, and transmits the pressure value to the comparing unit and the display 2; the comparison unit compares the detected pressure value and the detected temperature and humidity value with a preset value and transmits a comparison result to the execution unit; the execution unit regulates and controls the working efficiency of the air compressor 34 and the opening degree of the throttle valve 35, and when the detected pressure value and the detected temperature and humidity value are smaller than the preset values, the execution unit increases the opening degree of the throttle valve 35, the working efficiency of the air compressor 34 is increased, and therefore the air flow is increased, and the air pressure and the temperature are increased. The configuration of the wet air control structure and the configuration of the control mechanism of the deionizing filter 6 may be similar to that of the dry air control structure, and other configurations may be adopted.

The air inlets of the two air compressors 34 may be provided with air filters 36 for filtering impurities in the air to avoid affecting the performance of the humidifier 5.

The intake ends of both air compressors 34 may be provided with flow sensors 37 for detecting the intake air flow rates thereof, in preparation for knowing the intake air flow rate of the humidifier 5.

The air inlet ends of the two air compressors 34 can be respectively provided with an air pressure inlet pressure sensor 38 and an air pressure inlet temperature sensor 39, the air pressure inlet pressure sensor 38 and the air pressure inlet temperature sensor 39 are used for detecting the inlet pressure of the air compressors, and thus the air inlet ends of the air compressors can be compared with data detected by a dry air inlet pressure sensor 41, a dry air inlet temperature and humidity sensor 42, a wet air inlet pressure sensor 45 and a wet air inlet temperature and humidity sensor 46 at the air inlet end of the humidifier 5, namely the data of the air outlet end of the air compressor 34, so that the air compressor 34 can be tested.

The above is not relevant and is applicable to the prior art.

Although certain specific embodiments of the present invention have been described in detail by way of illustration, it will be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention, which is to be construed as broadly as the present invention will suggest themselves to those skilled in the art to which the invention pertains and which is susceptible to various modifications or additions and similar arrangements to the specific embodiments described herein without departing from the scope of the invention as defined in the appended claims. It should be understood by those skilled in the art that any modifications, equivalent substitutions, improvements and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A performance testing system for humidifiers and deionizing filters, comprising: comprises a humidifier performance testing device (100) and a deionization filter performance testing device (200); the humidifier performance testing device (100) comprises an air inlet adjusting mechanism (3) and an air detecting mechanism (4), wherein the air inlet adjusting mechanism (3) is used for adjusting the air inlet pressure and the temperature and the humidity of a dry air inlet (51) and a wet air inlet (52) of a humidifier (5), and the air detecting mechanism (4) is used for detecting the pressure and the temperature and the humidity of the dry air inlet (51), the wet air inlet (52), a dry air outlet (53) and a wet air outlet (54) of the humidifier (5); the deionization filter performance testing device (200) comprises a circulating water path assembly (7) connected with a deionization filter (6) in series, a conductivity testing mechanism (8) used for detecting the conductivity of the circulating water path assembly (7), and a water pressure detecting mechanism (9) used for detecting the pressure of the water inlet end and the water outlet end of the deionization filter (6).

2. A performance testing system of a humidifier and a deionizing filter as claimed in claim 1, wherein: the air inlet adjusting mechanism (3) comprises a dry air inlet pipeline (31), a wet air inlet pipeline (32), a gas humidifier (33), two air compressors (34) and two throttle valves (35) respectively arranged at air outlet ends of the two air compressors (34), wherein the air outlet end of one air compressor (34) is communicated with a dry air inlet (51) of the humidifier (5) through the dry air inlet pipeline (31), the air outlet end of the other air compressor (34) is communicated with an air inlet of the gas humidifier (33), and an air outlet of the gas humidifier (33) is communicated with a wet air inlet (52) of the humidifier (5) through the wet air inlet pipeline (32).

3. A performance testing system of a humidifier and a deionizing filter as claimed in claim 2, wherein: gaseous detection mechanism (4) are including setting up dry air pressure sensor (41) and the dry air humiture sensor (42) that admits air on dry air inlet pipe way (31) set up dry air pressure sensor (43) and the dry air humiture sensor (44) of giving vent to anger of dry air export (53) of humidifier (5) set up humid air pressure sensor (45) and the humid air humiture sensor (46) that admits air on humid air inlet pipe way (32) and set up humid air pressure sensor (47) and the humid air humiture sensor (48) of giving vent to anger of humid air export (54) of humidifier (5).

4. A performance testing system of a humidifier and a deionizing filter as claimed in claim 2 or 3, wherein: the circulating water path assembly (7) comprises a circulating water pipe (71), a circulating water pump (72), a water tank (73) and a water flow regulating valve (74), the water tank (73), the circulating water pump (72) and the deionization filter (6) are connected in series through the circulating water pipe (71) to form a closed loop, and the water flow regulating valve (74) is arranged on the circulating water pipe (71) and used for regulating the flow of the circulating water pipe (71).

5. A performance testing system of a humidifier and a deionizing filter as claimed in claim 4, wherein: the conductivity testing mechanism (8) comprises a conductivity tester (81) arranged on the circulating water pipe (71), the water pressure detecting mechanism (9) comprises two water pressure sensors (91), and the two water pressure sensors (91) are respectively arranged at the water inlet and the water outlet of the deionization filter (6).

6. A performance testing system of a humidifier and a deionizing filter as claimed in claim 4, wherein: the air inlet adjusting mechanism (3) further comprises an intercooler (36), a hot runner of the intercooler (36) is connected to the dry air inlet pipeline (31) in series, and a cold runner of the intercooler is connected to the circulating water pipe (71) in series.

7. A performance testing system of a humidifier and a deionizing filter as claimed in any one of claims 1 to 3, wherein: the testing system further comprises a control display device (300), the control display device (300) comprises a controller (1) and a display (2), the controller (1) is respectively electrically connected with the air inlet adjusting mechanism (3), the gas detection mechanism (4) and the circulating water path assembly (7), and the display (2) is respectively electrically connected with the controller (1), the conductivity testing mechanism (8) and the water pressure detection mechanism (9).

8. A performance testing system of a humidifier and a deionizing filter as claimed in claim 2 or 3, wherein: and air filters (30) are arranged at the air inlet ends of the two air compressors (34).

9. A performance testing system of a humidifier and a deionizing filter as claimed in claim 2 or 3, wherein: and the air inlet ends of the two air compressors (34) are respectively provided with a flow sensor (37) for detecting the air inlet flow of the air compressors.

10. A performance testing system of a humidifier and a deionizing filter as claimed in claim 2 or 3, wherein: and the air inlet ends of the two air compressors (34) are provided with an air pressure inlet pressure sensor (38) for detecting the inlet pressure of the air compressors and an air pressure inlet temperature sensor (39) for detecting the inlet temperature of the air compressors.