CN112882521A - Humidifier performance testing device and using method thereof - Google Patents
Humidifier performance testing device and using method thereof Download PDFInfo
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- CN112882521A CN112882521A CN202110244180.8A CN202110244180A CN112882521A CN 112882521 A CN112882521 A CN 112882521A CN 202110244180 A CN202110244180 A CN 202110244180A CN 112882521 A CN112882521 A CN 112882521A
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to the technical field of new energy of hydrogen fuel cells, in particular to a humidifier performance testing device and a using method thereof, wherein the humidifier performance testing device comprises a water tank, a first air pipe, a second air pipe and a humidifier, a control valve is arranged on the outer side of the first air pipe, the bottom end of the first air pipe is communicated with the right side of the top end of the humidifier, the left side of the top end of the humidifier is communicated with the second air pipe, the second air pipe is an air outlet pipe, heating blocks are arranged on the second air pipe and the inner side of the first air pipe on the right side, the inner side of each heating block is electrically connected with a temperature sampling line, the other end of each temperature sampling line is respectively communicated with a temperature control module and an alternating current contactor module, the temperature control module is electrically connected with the alternating current contactor module, and one end of the alternating current contactor module is electrically connected with a power supply, the heat exchanger is more, the temperature can be compensated, and the moisture input temperature and humidity are more accurate.
Description
Technical Field
The invention relates to the technical field of new energy of hydrogen fuel cells, in particular to a humidifier performance testing device and a using method thereof.
Background
The normal temperature normal humidity normal pressure air enters the heat exchanger, discharges after carrying out total heat exchange through the membrane inside the heat exchanger, tests the humiture of the discharged air, and the moisture that the humidification was used obtains vapor through heating the water tank, and current heat exchange test can only be applicable to the test of ordinary air conditioning, and the air source is normal temperature normal humidity normal pressure state, and the moisture source is also ordinary hot water evaporation formula, can't apply to the hydrogen fuel cell field and test the humidifier, therefore, provides a humidifier performance test device and application method to the above-mentioned problem.
Disclosure of Invention
The present invention is directed to a humidifier performance testing apparatus and a method for using the same, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a humidifier performance testing device comprises a water tank, a first air pipe, a second air pipe and a humidifier, wherein the number of the first air pipe is 2, the first air pipe is arranged in a bilateral symmetry mode, a control valve is installed on the outer side of the first air pipe, the bottom end of the first air pipe is communicated with the right side of the top end of the humidifier, the left side of the top end of the humidifier is communicated with the second air pipe, the number of the second air pipe is 2, the second air pipe is located on the right side and is an air inlet pipe, the second air pipe is located on the left side and is an air outlet pipe, heating blocks are installed on the inner sides of the second air pipe and the first air pipe on the right side, the inner side of each heating block is electrically connected with a temperature sampling line, the other end of the temperature sampling line is respectively communicated with a temperature control module and an alternating current contactor module, and the temperature control module and the alternating current, the one end electric connection of ac contactor module has the power, the manometer is all installed in the one end outside of first trachea and second trachea and humidifier intercommunication, the humiture measuring meter is all installed to one side of manometer, the tracheal other end intercommunication of second has the heat exchanger, the input and the output of heat exchanger all communicate there is the connecting pipe, and the other end and the water tank intercommunication of connecting pipe, the bottom face intercommunication of water tank has notes outlet.
Preferably, the first air pipe on the right side is an air inlet pipe, the first air pipe on the left side is an exhaust pipe, and the first air pipe on the right side is provided with a flowmeter.
Preferably, the number of the heating blocks on the second air pipe on the right side is 2, and the two heating blocks are arranged up and down.
Preferably, a water pump is installed inside the connection pipe located at the lower side.
Preferably, the one end of the temperature control module positioned on the left side is communicated with a water temperature sensor, the water temperature sensor is arranged on the inner side of the water tank, the one end of the alternating current contactor module positioned on the left side is communicated with a heating rod, and the heating rod is arranged on the inner side of the water tank.
A humidifier performance testing device and a using method thereof comprise the following steps:
the method comprises the following steps: the design principle is as follows: firstly, introducing air after drying and heating treatment into a first air pipe on the right side, wherein the heating temperature is 70-90 ℃, the air drying humidity is 6-10%, and the air flow rate is 5000-7000L/min, and measuring pressure and temperature and humidity data before entering; then the gas is humidified by a membrane tube of the humidifier, discharged through a second gas tube on the left side, and the pressure, the temperature and the humidity of the discharged test gas are measured; then, the gas enters a heat exchanger, exchanges heat with hot water in the heat exchanger, the temperature and the humidity are increased, then the gas is heated through a heating block 7 in a second gas pipe on the right side so as to reach the temperature and the humidity required by the test, then the gas enters a humidifier to be tested, and finally the gas is discharged through a first gas pipe on the left side;
step two: and (3) testing the humidifying performance: firstly, setting the temperature of a water source in a water tank, starting heating by a heating rod of the water tank to reach the temperature and keep the temperature constant, then setting the air flow and the pressure of a first air pipe on the right side, enabling the air flow and the pressure to reach a desired value and keep the constant by a linkage control valve, then starting a heating block on the inner side of the first air pipe on the right side to reach the temperature and keep the constant, then setting the rotating speed of a water pump to start the water pump, if the temperature and the humidity in a second air pipe on the right side do not reach the test requirements, achieving the requirements by the auxiliary heating of the heating block on the inner side of the second air pipe, finally recording the air flow, the temperature and the humidity of the first air pipe and the temperature and the pressure;
step three: dry and wet pressure drop test: closing the second air pipe, opening the first air pipe, then setting the pressure value of the first air pipe on the right side, opening the control valve on the right side to reach the set pressure value, and then closing the control valve; finally, the time length for the first air pipe pressure on the right side to be reduced to zero is recorded and is recorded in the same table with the humidification capability test;
step four: and (3) life test: firstly, according to the step of humidification performance testing, the testing conditions of the first air pipe on the left side and the second air pipe on the left side are changed regularly according to a plurality of groups of set values and set time to achieve the real running condition of the automobile, then the first air pipe on the left side and the second air pipe on the left side run according to the normal testing conditions after XX hours of the set time, the air flow, the temperature and humidity and the pressure of the first air pipe and the second air pipe are recorded after stabilization, the absolute pressure is calculated, and the testing duration is recorded.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the heat exchanger is more energy-saving than the traditional evaporative heat exchanger when providing high-humidity gas, the temperature of input air can be controlled, and the temperature can be compensated, so that the humidity and the humidity of the input moisture are more accurate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the device comprises a water tank 1, a first air pipe 2, a second air pipe 3, a humidifier 4, a flowmeter 5, a control valve 6, a heating block 7, a temperature sampling line 8, a temperature control module 9, an alternating current contactor module 10, a power supply 11, a pressure gauge 12, a temperature and humidity measuring meter 13, a heat exchanger 14, a connecting pipe 15, a water pump 16, a water temperature sensor 17, a heating rod 18 and a water injection and drainage port 19.
Detailed Description
Example 1: referring to fig. 1, the present invention provides a technical solution:
a humidifier performance testing device comprises a water tank 1, a first air pipe 2, a second air pipe 3 and a humidifier 4, wherein the number of the first air pipes 2 is 2, the first air pipes 2 are arranged in bilateral symmetry, a control valve 6 is installed on the outer side of the first air pipe 2, the bottom end of the first air pipe 2 is communicated with the right side of the top end of the humidifier 4, the second air pipe 3 is communicated with the left side of the top end of the humidifier 4, the number of the second air pipes 3 is 2, the second air pipe 3 positioned on the right side is an air inlet pipe, the second air pipe 3 positioned on the left side is an air outlet pipe, heating blocks 7 are installed on the second air pipe 3 positioned on the right side and the inner side of the first air pipe 2 positioned on the right side, the inner sides of the heating blocks 7 are electrically connected with temperature sampling lines 8, the other ends of the temperature sampling lines 8 are respectively communicated with a temperature control module 9 and an alternating current contactor module 10, and, one end electric connection of ac contactor module 10 has power 11, manometer 12 is all installed in the one end outside that first trachea 2 and second trachea 3 communicate with humidifier 4, humiture measuring meter 13 is all installed to one side of manometer 12, the other end intercommunication of second trachea 3 has heat exchanger 14, the input and the output of heat exchanger 14 all communicate has connecting pipe 15, and the other end of connecting pipe 15 and water tank 1 communicate, the bottom face intercommunication of water tank 1 has notes outlet 19, in the invention, not only the heat exchanger is more energy-conserving when providing high humid gas than traditional evaporative formula, and can control the temperature of input air, can also compensate the temperature, make the moisture input humiture more accurate.
The first air pipe 2 on the right side is an air inlet pipe, the first air pipe 2 on the left side is an exhaust pipe, the first air pipe 2 on the right side is provided with a flow meter 5, the arrangement can well measure the introduced air and ensure the use effect, the number of the heating blocks 7 on the second air pipe 3 on the right side is 2, the two heating blocks 7 are arranged up and down, the arrangement can enable the temperature compensation to be more accurate, the water pump 16 is arranged on the inner side of the connecting pipe 15 on the lower side, the arrangement can enable the water source to flow well and ensure the heat exchange effect, one end of the temperature control module 9 on the left side is communicated with the water temperature sensor 17, the water temperature sensor 17 is arranged on the inner side of the water tank 1, one end of the alternating current contactor module 10 on the left side is communicated with the heating rod 18, the heating rod 18 is arranged on the inner side of the water tank 1, the arrangement can well control the temperature, thereby facilitating use.
The using method comprises the following steps:
the method comprises the following steps: the design principle is as follows: firstly, introducing air subjected to drying and heating treatment into a first air pipe 2 on the right side, wherein the heating temperature is 70 ℃, the air drying humidity is 10%, the air flow rate is 5000/min, and pressure and temperature and humidity data are measured before the air enters; then the gas is humidified by a membrane tube of the humidifier 4 and then discharged through the second gas tube 3 on the left side, and the pressure, the temperature and the humidity of the gas are tested after the gas is discharged; then, the gas enters a heat exchanger 14, exchanges heat with hot water in the heat exchanger 14, the temperature and the humidity are increased, then the gas is heated through a heating block 7 in a second gas pipe 3 on the right side to reach the temperature and the humidity required by the test, then the gas enters a humidifier 4 to be tested, and finally the gas is discharged through a first gas pipe 2 on the left side;
step two: and (3) testing the humidifying performance: firstly, setting the temperature of a water source in a water tank 1, starting heating by a heating rod 8 of the water tank 1 to reach the temperature and keep the temperature constant, then setting the air flow and the pressure of a first air pipe 2 on the right side, enabling the air flow and the pressure to reach a desired value and keep the constant by a linkage control valve 6, then starting a heating block 7 on the inner side of the first air pipe 2 on the right side to reach the temperature and keep the constant, then setting the rotating speed of a water pump 16 to start the water pump 16, if the temperature and the humidity in a second air pipe 3 on the right side do not reach the test requirements, assisting in heating by the heating block 7 on the inner side of the second air pipe to reach the requirements, finally recording the air flow, the temperature and the humidity of the first air pipe 2 and the temperature and the pressure of the;
step three: dry and wet pressure drop test: closing the second air pipe 3, opening the first air pipe 2, then setting the pressure value of the first air pipe 2 on the right side, opening the control valve 6 on the right side, and closing the control valve 6 after the set pressure value is reached; finally, recording the time length of the pressure of the first air pipe 2 on the right side reduced to zero, and recording the time length and the humidification capacity test in the same table;
step four: and (3) life test: firstly, according to the step of humidification performance testing, the testing conditions of the first air pipe 2 on the left side and the second air pipe 3 on the left side are changed periodically according to a plurality of groups of set values and set time to achieve the real running condition of the automobile, then the first air pipe 2 on the left side and the second air pipe 3 on the left side run according to the normal testing conditions after XX hours of the set time, the air flow, the temperature and humidity of the first air pipe 2 and the second air pipe 3, the pressure and the calculated absolute pressure are recorded in a recording table after stabilization, and the testing duration is recorded.
Example 2: referring to fig. 1, the present invention provides a technical solution:
a humidifier performance testing device comprises a water tank 1, a first air pipe 2, a second air pipe 3 and a humidifier 4, wherein the number of the first air pipes 2 is 2, the first air pipes 2 are arranged in bilateral symmetry, a control valve 6 is installed on the outer side of the first air pipe 2, the bottom end of the first air pipe 2 is communicated with the right side of the top end of the humidifier 4, the second air pipe 3 is communicated with the left side of the top end of the humidifier 4, the number of the second air pipes 3 is 2, the second air pipe 3 positioned on the right side is an air inlet pipe, the second air pipe 3 positioned on the left side is an air outlet pipe, heating blocks 7 are installed on the second air pipe 3 positioned on the right side and the inner side of the first air pipe 2 positioned on the right side, the inner sides of the heating blocks 7 are electrically connected with temperature sampling lines 8, the other ends of the temperature sampling lines 8 are respectively communicated with a temperature control module 9 and an alternating current contactor module 10, and, one end electric connection of ac contactor module 10 has power 11, manometer 12 is all installed in the one end outside that first trachea 2 and second trachea 3 communicate with humidifier 4, humiture measuring meter 13 is all installed to one side of manometer 12, the other end intercommunication of second trachea 3 has heat exchanger 14, the input and the output of heat exchanger 14 all communicate has connecting pipe 15, and the other end of connecting pipe 15 and water tank 1 communicate, the bottom face intercommunication of water tank 1 has notes outlet 19, in the invention, not only the heat exchanger is more energy-conserving when providing high humid gas than traditional evaporative formula, and can control the temperature of input air, can also compensate the temperature, make the moisture input humiture more accurate.
The first air pipe 2 on the right side is an air inlet pipe, the first air pipe 2 on the left side is an exhaust pipe, the first air pipe 2 on the right side is provided with a flow meter 5, the arrangement can well measure the introduced air and ensure the use effect, the number of the heating blocks 7 on the second air pipe 3 on the right side is 2, the two heating blocks 7 are arranged up and down, the arrangement can enable the temperature compensation to be more accurate, the water pump 16 is arranged on the inner side of the connecting pipe 15 on the lower side, the arrangement can enable the water source to flow well and ensure the heat exchange effect, one end of the temperature control module 9 on the left side is communicated with the water temperature sensor 17, the water temperature sensor 17 is arranged on the inner side of the water tank 1, one end of the alternating current contactor module 10 on the left side is communicated with the heating rod 18, the heating rod 18 is arranged on the inner side of the water tank 1, the arrangement can well control the temperature, thereby facilitating use.
The using method comprises the following steps:
the method comprises the following steps: the design principle is as follows: firstly, introducing air subjected to drying and heating treatment into a first air pipe 2 on the right side, wherein the heating temperature is 90 ℃, the air drying humidity is 6%, the air flow rate is 7000/min, and pressure and temperature and humidity data are measured before the air enters; then the gas is humidified by a membrane tube of the humidifier 4 and then discharged through the second gas tube 3 on the left side, and the pressure, the temperature and the humidity of the gas are tested after the gas is discharged; then, the gas enters a heat exchanger 14, exchanges heat with hot water in the heat exchanger 14, the temperature and the humidity are increased, then the gas is heated through a heating block 7 in a second gas pipe 3 on the right side to reach the temperature and the humidity required by the test, then the gas enters a humidifier 4 to be tested, and finally the gas is discharged through a first gas pipe 2 on the left side;
step two: and (3) testing the humidifying performance: firstly, setting the temperature of a water source in a water tank 1, starting heating by a heating rod 8 of the water tank 1 to reach the temperature and keep the temperature constant, then setting the air flow and the pressure of a first air pipe 2 on the right side, enabling the air flow and the pressure to reach a desired value and keep the constant by a linkage control valve 6, then starting a heating block 7 on the inner side of the first air pipe 2 on the right side to reach the temperature and keep the constant, then setting the rotating speed of a water pump 16 to start the water pump 16, if the temperature and the humidity in a second air pipe 3 on the right side do not reach the test requirements, assisting in heating by the heating block 7 on the inner side of the second air pipe to reach the requirements, finally recording the air flow, the temperature and the humidity of the first air pipe 2 and the temperature and the pressure of the;
step three: dry and wet pressure drop test: closing the second air pipe 3, opening the first air pipe 2, then setting the pressure value of the first air pipe 2 on the right side, opening the control valve 6 on the right side, and closing the control valve 6 after the set pressure value is reached; finally, recording the time length of the pressure of the first air pipe 2 on the right side reduced to zero, and recording the time length and the humidification capacity test in the same table;
step four: and (3) life test: firstly, according to the step of humidification performance testing, the testing conditions of the first air pipe 2 on the left side and the second air pipe 3 on the left side are changed periodically according to a plurality of groups of set values and set time to achieve the real running condition of the automobile, then the first air pipe 2 on the left side and the second air pipe 3 on the left side run according to the normal testing conditions after XX hours of the set time, the air flow, the temperature and humidity of the first air pipe 2 and the second air pipe 3, the pressure and the calculated absolute pressure are recorded in a recording table after stabilization, and the testing duration is recorded.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (6)
1. The utility model provides a humidifier capability test device, includes water tank (1), first trachea (2), second trachea (3) and humidifier (4), its characterized in that: the number of the first air pipes (2) is 2, the first air pipes (2) are arranged in a bilateral symmetry mode, the control valves (6) are installed on the outer sides of the first air pipes (2), the bottom end of the first air pipes (2) is communicated with the right side of the top end of the humidifier (4), the top left side of the humidifier (4) is communicated with the second air pipes (3), the number of the second air pipes (3) is 2, the second air pipes (3) on the right side are air inlet pipes, the second air pipes (3) on the left side are air outlet pipes, the second air pipes (3) on the right side and the inner sides of the first air pipes (2) on the right side are provided with heating blocks (7), the inner sides of the heating blocks (7) are electrically connected with temperature sampling lines (8), the other ends of the temperature sampling lines (8) are respectively communicated with a temperature control module (9) and an alternating current contactor (10), and control by temperature change module (9) and ac contactor module (10) electric connection, the one end electric connection of ac contactor module (10) has power (11), manometer (12) are all installed in the one end outside of first trachea (2) and second trachea (3) and humidifier (4) intercommunication, humiture measurement table (13) are all installed to one side of manometer (12), the other end intercommunication of second trachea (3) has heat exchanger (14), the input and the output of heat exchanger (14) all communicate there are connecting pipe (15), and the other end and water tank (1) intercommunication of connecting pipe (15), the bottom face intercommunication of water tank (1) has notes outlet (19).
2. A humidifier performance testing apparatus according to claim 1, wherein: the first air pipe (2) positioned on the right side is an air inlet pipe, the first air pipe (2) positioned on the left side is an exhaust pipe, and the first air pipe (2) positioned on the right side is provided with a flowmeter (5).
3. A humidifier performance testing apparatus according to claim 1, wherein: the number of the heating blocks (7) on the second air pipe (3) on the right side is 2, and the two heating blocks (7) are arranged up and down.
4. A humidifier performance testing apparatus according to claim 1, wherein: and a water pump (16) is arranged on the inner side of the connecting pipe (15) positioned on the lower side.
5. A humidifier performance testing apparatus according to claim 1, wherein: be located the left one end intercommunication of temperature control module (9) has water temperature sensor (17), and water temperature sensor (17) place the inboard of water tank (1) in, is located the left one end intercommunication of ac contactor module (10) has heating rod (18), and heating rod (18) place the inboard of water tank (1).
6. A humidifier performance testing apparatus according to claims 1-5, in a method of using the apparatus, wherein: the method comprises the following steps:
the method comprises the following steps: the design principle is as follows: firstly, introducing air after drying and heating treatment into a first air pipe (2) on the right side, wherein the heating temperature is 70-90 ℃, the air drying humidity is 6-10%, and the air flow rate is 5000-7000L/min, and measuring pressure and temperature and humidity data before entering; then the gas is humidified by a membrane tube of the humidifier (4), and then is discharged through a second gas tube (3) on the left side, and the pressure, the temperature and the humidity of the gas are tested after the gas is discharged; then, the gas enters a heat exchanger (14), exchanges heat with hot water in the heat exchanger (14) to increase the temperature and humidity, is heated by a heating block 7 in a second gas pipe (3) on the right side to reach the temperature and humidity required by the test, then enters a humidifier (4) to be tested, and finally is discharged through a first gas pipe (2) on the left side;
step two: and (3) testing the humidifying performance: firstly, the temperature of a water source in a water tank (1) is set, a heating rod (8) of the water tank (1) starts to heat to reach the temperature and is constant, then the air flow and the pressure of the first air pipe (2) on the right side are set, the control valve (6) is linked to lead the air flow and the pressure to reach the desired values and be constant, then the temperature value of the first air pipe (2) at the right side is started, the heating block (7) at the inner side is started to reach the temperature and be constant, then the rotating speed of the water pump (16) is set to start the water pump (16), if the temperature and the humidity in the second air pipe (3) on the right side do not meet the test requirements, the auxiliary heating is carried out by the heating block (7) at the inner side to meet the requirement, and finally after the data is stable, recording the air flow, the temperature and humidity pressures of the first air pipe (2) and the second air pipe (3) in a form of a table and a graph, calculating and recording the absolute humidity of the second air pipe (3) on the left side;
step three: dry and wet pressure drop test: the second air pipe (3) is closed, the first air pipe (2) is opened, then the pressure value of the first air pipe (2) on the right side is set, and the control valve (6) on the right side is opened to reach the set pressure value and then the control valve (6) is closed; finally, recording the time length of the pressure of the first air pipe (2) on the right side reduced to zero, and recording the time length and the humidifying capacity test in the same table;
step four: and (3) life test: firstly, according to the step of humidification performance testing, the testing conditions of the first air pipe (2) on the left side and the second air pipe (3) on the left side are changed regularly according to a plurality of sets of set values and set time to achieve the real running condition of the automobile, then the first air pipe (2) on the left side and the second air pipe (3) on the left side run according to the normal testing conditions after XX hours of set time, the air flow, the temperature and humidity and the pressure of the first air pipe (2) and the second air pipe (3) are recorded after stabilization, the absolute pressure is calculated and recorded in a recording table, and the testing duration is recorded.
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| CN113418727A (en) * | 2021-05-27 | 2021-09-21 | 深圳伊腾迪新能源有限公司 | Humidifier performance testing device and using method thereof |
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| CN113418727A (en) * | 2021-05-27 | 2021-09-21 | 深圳伊腾迪新能源有限公司 | Humidifier performance testing device and using method thereof |
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