CN216348765U - Multi-functional humidifier capability test device - Google Patents
Multi-functional humidifier capability test device Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000002360 preparation method Methods 0.000 claims abstract description 30
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 75
- 238000010438 heat treatment Methods 0.000 claims description 29
- 238000010792 warming Methods 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 claims description 12
- 230000002572 peristaltic effect Effects 0.000 claims description 12
- 238000011056 performance test Methods 0.000 abstract 1
- 239000008236 heating water Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
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Abstract
The utility model relates to a performance test device of a multifunctional humidifier, which comprises a dry air inlet, a wet air inlet, a control unit and a humidifying unit, wherein the dry air inlet is connected with the humidifier to be tested through a dry air connecting pipeline; the wet air inlet is connected with the humidifying unit through an adjusting pipeline, and the humidifying unit outputs humidified air to the humidifier to be tested; the humidifier to be tested is also connected with a first liquid water preparation part and a second liquid water preparation part, and the humidifying unit is connected with a third liquid water preparation part; the output end of the humidifier to be tested is respectively connected with a humidified air parameter feedback pipeline and a residual wet air parameter feedback pipeline, the two pipelines are jointly connected to a circulating pipeline, and the circulating pipeline is connected between a wet air inlet and an adjusting pipeline; in addition, the testing device is also provided with a discharge pipeline for discharging redundant gas. Compared with the prior art, the utility model can be suitable for the working conditions output by the air outlets of various galvanic piles, thereby ensuring the accurate calibration of the humidifying characteristic of the humidifier.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a multifunctional humidifier performance testing device.
Background
In the fuel cell stack, a certain humidity is required to be maintained in the proton exchange membrane during the reaction process to ensure high reaction efficiency, so that a certain amount of water vapor is required to be carried into the stack by the reaction medium, which is usually realized by a humidifier.
The humidifier applied to the fuel cell system mainly utilizes the mixing working condition of wet air and liquid water at the air outlet of the electric pile, and meanwhile, the humidifier can also independently utilize the liquid water to humidify the air, the hydrogen, the nitrogen and the like. Therefore, when the performance of the humidifier is tested, a multi-condition test is necessary to meet the test requirements, however, most of the prior art only performs a wet air condition test, for example, chinese patent CN112882521A provides a humidifier performance testing apparatus and a method for using the same, which only tests wet air, but cannot test the actual condition of mixing wet air and liquid water and the condition of humidifying with liquid water. This results in the subsequent inability to accurately calibrate the humidification characteristics of the humidifier.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a multifunctional humidifier performance testing device which can test the actual working condition of mixing of humid air and liquid water and the working condition of humidifying with all liquid water, thereby accurately calibrating the humidifying characteristic of the humidifier.
The purpose of the utility model can be realized by the following technical scheme: a multifunctional humidifier performance testing device comprises a dry air inlet, a wet air inlet, a control unit and a humidifying unit, wherein one end of the dry air inlet is communicated with filtered dry air, the other end of the dry air inlet is connected with a humidifier to be tested through a dry air connecting pipeline, and the dry air connecting pipeline is in communication connection with the control unit;
one end of the wet air inlet is communicated with the filtered dry air, the other end of the wet air inlet is connected with the humidifying unit through an adjusting pipeline, the adjusting pipeline is in communication connection with the control unit, and the humidifying unit outputs the humidified air to the humidifier to be tested;
the humidifier to be tested is also connected with a first liquid water preparation part and a second liquid water preparation part, the humidifying unit is connected with a third liquid water preparation part, and the first liquid water preparation part, the second liquid water preparation part and the third liquid water preparation part are respectively in communication connection with the control unit;
the output end of the humidifier to be tested is respectively connected with a humidified air parameter feedback pipeline and a residual humid air parameter feedback pipeline, the humidified air parameter feedback pipeline and the residual humid air parameter feedback pipeline are respectively in communication connection with the control unit, the humidified air parameter feedback pipeline and the residual humid air parameter feedback pipeline are jointly connected to a circulating pipeline, and the circulating pipeline is connected between a humid air inlet and an adjusting pipeline;
the control unit is also in communication connection with a discharge pipeline for discharging redundant gas, and the discharge pipeline is respectively connected with the humidified air parameter feedback pipeline and the residual humid air parameter feedback pipeline.
Furthermore, the dry air inlet is provided with a first manual inlet valve, the dry air connecting pipeline is provided with a first electromagnetic flow regulating valve and a first flow meter for controlling air flow, a first heating unit for controlling temperature and a first parameter feedback part, and the first electromagnetic flow regulating valve, the first flow meter, the first heating unit and the first parameter feedback part are respectively in communication connection with the control unit.
Further, the first parameter feedback part includes a first temperature feedback unit, a first pressure feedback unit, and a first humidity feedback unit.
Furthermore, a second manual inlet valve is arranged at the wet air inlet, a one-way valve for preventing air from flowing reversely is connected between the second manual inlet valve and the adjusting pipeline, a second electromagnetic flow adjusting valve and a second flow meter for controlling air flow, a second heating unit for controlling temperature and a second parameter feedback part are arranged on the adjusting pipeline, and the second electromagnetic flow adjusting valve, the second flow meter, the second heating unit and the second parameter feedback part are respectively in communication connection with the control unit.
Further, the second parameter feedback part includes a second temperature feedback unit, a second pressure feedback unit, and a second humidity feedback unit.
Further, third parameter feedback portion, first electromagnetic adjusting needle valve, first electromagnetic adjusting valve have set gradually between humidification unit and the humidifier that awaits measuring, third parameter feedback portion, first electromagnetic adjusting needle valve, first electromagnetic adjusting valve respectively with the control unit communication connection, third parameter feedback portion includes third temperature feedback unit, third pressure feedback unit and third humidity feedback unit.
Further, first liquid water preparation portion is including the first water tank and the peristaltic pump of heating that connect gradually, first water tank and the peristaltic pump of heating respectively with the control unit communication connection, it has fourth parameter feedback portion and second electromagnetic control valve to connect gradually between peristaltic pump and the humidifier that awaits measuring, fourth parameter feedback portion and second electromagnetic control valve respectively with the control unit communication connection, fourth parameter feedback portion includes fourth pressure feedback unit and discharge feedback unit.
Further, liquid water preparation portion of second is including the second water tank and the first water pump of heating that connect gradually, the second heats water tank and first water pump respectively with the control unit communication connection, the second heats and is connected with third electromagnetic control valve between water tank and the humidifier that awaits measuring, be connected with fourth electromagnetic control valve between first water pump and the humidifier that awaits measuring, third electromagnetic control valve and fourth electromagnetic control valve respectively with the control unit communication connection.
Further, the third liquid water preparation portion comprises a third heating water tank and a second water pump which are sequentially connected, and the third heating water tank and the second water pump are respectively in communication connection with the control unit.
Furthermore, a fifth parameter feedback part and a second electromagnetic adjusting needle valve which are sequentially connected are arranged on the humidified air parameter feedback pipeline, the fifth parameter feedback part and the second electromagnetic adjusting needle valve are respectively in communication connection with the control unit, and the fifth parameter feedback part comprises a fifth temperature feedback unit, a fifth pressure feedback unit and a fifth humidity feedback unit;
the residual humid air parameter feedback pipeline is provided with a sixth parameter feedback part and a fifth electromagnetic regulating valve which are sequentially connected, the sixth parameter feedback part and the fifth electromagnetic regulating valve are respectively in communication connection with the control unit, and the sixth parameter feedback part comprises a sixth temperature feedback unit, a sixth pressure feedback unit and a sixth humidity feedback unit;
and a sixth electromagnetic regulating valve is arranged on the discharge pipeline, a seventh electromagnetic regulating valve is arranged on the circulating pipeline, and the sixth electromagnetic regulating valve and the seventh electromagnetic regulating valve are respectively in communication connection with the control unit.
The specific working process of the utility model comprises the following steps:
under the working condition 1, only wet air is input into a wet air end: the dry air inlet is connected with filtered dry air, the flow is controlled through the first flowmeter, the temperature is controlled through the first heating unit, and the filtered dry air enters the humidifier to be tested. The wet air inlet is connected with the filtered dry air, the flow is controlled through the second flowmeter, the temperature is controlled through the second heating unit, and the dry air enters the humidifying unit. The humidifying unit humidifies dry air through a second water pump and a third heating water tank, and wet air after heating and humidifying enters a humidifier to be tested. Each parameter feedback part feeds back corresponding data information to the control unit in real time so as to adjust the input parameters meeting the test. The parameters output by the tested humidifier are recorded and summarized by the control unit, and the set parameters are output.
Compared with the prior art, the utility model can test the humidification characteristic when the wet air passes through, meet the requirement of the batch quick test of products, and can simulate the actual working condition of mixing of the wet air and the liquid water at the outlet of various galvanic piles.
According to different working conditions, the on-off state of each electromagnetic regulating valve and each electromagnetic regulating needle valve can be correspondingly controlled by the control unit, so that real-time switching test among different working conditions can be rapidly and conveniently carried out, the test time is greatly saved, and the test efficiency is improved.
The utility model also can lead the dry and wet air at the dry and wet air outlet to flow back to the wet air inlet after the test of the humidifier by arranging the circulating pipeline so as to carry out re-humidification, thereby reducing the heat energy loss and saving more energy.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a first manual inlet valve, 2, a control unit, 3, a second temperature feedback unit, 4, a first warming water tank, 5, a second pressure feedback unit, 6, a second humidity feedback unit, 7, a peristaltic pump, 8, a humidifying unit, 9, a fourth pressure feedback unit, 10, a first electromagnetic flow regulating valve, 11, a water flow feedback unit, 12, a first flowmeter, 13, a first heating unit, 14, a second electromagnetic regulating valve, 15, a first temperature feedback unit, 16, a first pressure feedback unit, 17, a first humidity feedback unit, 18, a device to be tested, 19, a fifth temperature feedback unit, 20, a fifth pressure feedback unit, 21, a fifth humidity feedback unit, 22, a second electromagnetic regulating needle valve, 23, a sixth electromagnetic regulating valve, 24, a seventh electromagnetic regulating valve, 25, a fifth electromagnetic regulating valve, 26, a third electromagnetic regulating valve, 27. a sixth temperature feedback unit, 28, a sixth pressure feedback unit, 29, a sixth humidity feedback unit, 30, a second warming water tank, 31, a first water pump, 32, a fourth electromagnetic regulating valve, 33, a first electromagnetic regulating valve, 34, a first electromagnetic regulating needle valve, 35, a third temperature feedback unit, 36, a third pressure feedback unit, 37, a third humidity feedback unit, 38, a third warming water tank, 39, a second water pump, 40, a second heating unit 41, a second flow meter, 42, a second electromagnetic flow regulating valve, 43, a check valve, 44, and a second manual inlet valve.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
Example (b):
a multifunctional humidifier performance testing device comprises a dry air inlet, a wet air inlet, a control unit 2 and a humidifying unit 8, wherein one end of the dry air inlet is communicated with filtered dry air, the other end of the dry air inlet is connected with a humidifier 18 to be tested through a dry air connecting pipeline, and the dry air connecting pipeline is in communication connection with the control unit 2;
one end of the wet air inlet is communicated with the filtered dry air, the other end of the wet air inlet is connected with the humidifying unit 8 through an adjusting pipeline, the adjusting pipeline is in communication connection with the control unit 2, and the humidifying unit 8 outputs the humidified air to the humidifier 18 to be tested;
the humidifier 18 to be tested is also connected with a first liquid water preparation part and a second liquid water preparation part, the humidifying unit 8 is connected with a third liquid water preparation part, and the first liquid water preparation part, the second liquid water preparation part and the third liquid water preparation part are respectively in communication connection with the control unit 2;
the output end of the humidifier to be tested 18 is respectively connected with a humidified air parameter feedback pipeline and a residual humid air parameter feedback pipeline, the humidified air parameter feedback pipeline and the residual humid air parameter feedback pipeline are respectively in communication connection with the control unit 2, the humidified air parameter feedback pipeline and the residual humid air parameter feedback pipeline are jointly connected to a circulating pipeline, and the circulating pipeline is connected between a humid air inlet and an adjusting pipeline;
the control unit 2 is also in communication connection with a discharge pipeline for discharging redundant gas, and the discharge pipeline is respectively connected with a humidified air parameter feedback pipeline and a residual humid air parameter feedback pipeline.
Specifically, a first manual inlet valve 1 is arranged at a dry air inlet, a first electromagnetic flow regulating valve 10 and a first flow meter 12 for controlling air flow, a first heating unit 13 for controlling temperature, and a first parameter feedback portion are arranged on a dry air connecting pipeline, the first electromagnetic flow regulating valve 10, the first flow meter 12, the first heating unit 13, and the first parameter feedback portion are respectively in communication connection with a control unit 2, and the first parameter feedback portion comprises a first temperature feedback unit 15, a first pressure feedback unit 16, and a first humidity feedback unit 17.
The wet air inlet is provided with a second manual inlet valve 44, a one-way valve 43 for preventing air from flowing backwards is connected between the second manual inlet valve 44 and the adjusting pipeline, the adjusting pipeline is provided with a second electromagnetic flow adjusting valve 42 and a second flow meter 41 for controlling air flow, a second heating unit 40 for controlling temperature and a second parameter feedback part, the second electromagnetic flow adjusting valve 42, the second flow meter 41, the second heating unit 40 and the second parameter feedback part are respectively in communication connection with the control unit 2, and the second parameter feedback part comprises a second temperature feedback unit 3, a second pressure feedback unit 5 and a second humidity feedback unit 6.
A third parameter feedback part, a first electromagnetic adjusting needle valve 34 and a first electromagnetic adjusting valve 33 are sequentially arranged between the humidifying unit 8 and the humidifier 18 to be measured, the third parameter feedback part, the first electromagnetic adjusting needle valve 34 and the first electromagnetic adjusting valve 33 are respectively in communication connection with the control unit 2, and the third parameter feedback part comprises a third temperature feedback unit 35, a third pressure feedback unit 36 and a third humidity feedback unit 37.
The first liquid water preparation part comprises a first heating water tank 4 and a peristaltic pump 7 which are sequentially connected, the first heating water tank 4 and the peristaltic pump 7 are respectively in communication connection with the control unit 2, a fourth parameter feedback part and a second electromagnetic regulating valve 14 are sequentially connected between the peristaltic pump 7 and a humidifier 18 to be measured, the fourth parameter feedback part and the second electromagnetic regulating valve 14 are respectively in communication connection with the control unit 2, and the fourth parameter feedback part comprises a fourth pressure feedback unit 9 and a water flow feedback unit 11.
The second liquid water preparation portion comprises a second heating water tank 30 and a first water pump 31 which are sequentially connected, the second heating water tank 30 and the first water pump 31 are respectively in communication connection with the control unit 2, a third electromagnetic regulating valve 26 is connected between the second heating water tank 30 and the humidifier 18 to be tested, a fourth electromagnetic regulating valve 32 is connected between the first water pump 31 and the humidifier 18 to be tested, and the third electromagnetic regulating valve 26 and the fourth electromagnetic regulating valve 32 are respectively in communication connection with the control unit 2.
The third liquid water preparation part comprises a third warming water tank 38 and a second water pump 39 which are connected in sequence, and the third warming water tank 38 and the second water pump 39 are respectively in communication connection with the control unit 2.
In addition, a fifth parameter feedback part and a second electromagnetic adjusting needle valve 22 which are connected in sequence are arranged on the humidified air parameter feedback pipeline, the fifth parameter feedback part and the second electromagnetic adjusting needle valve 22 are respectively in communication connection with the control unit 2, and the fifth parameter feedback part comprises a fifth temperature feedback unit 19, a fifth pressure feedback unit 20 and a fifth humidity feedback unit 21;
a sixth parameter feedback part and a fifth electromagnetic regulating valve 25 which are connected in sequence are arranged on the residual humid air parameter feedback pipeline, the sixth parameter feedback part and the fifth electromagnetic regulating valve 25 are respectively in communication connection with the control unit 2, and the sixth parameter feedback part comprises a sixth temperature feedback unit 27, a sixth pressure feedback unit 28 and a sixth humidity feedback unit 29;
a sixth electromagnetic regulating valve 23 is arranged on the discharge pipeline, a seventh electromagnetic regulating valve 24 is arranged on the circulating pipeline, and the sixth electromagnetic regulating valve 23 and the seventh electromagnetic regulating valve 24 are respectively in communication connection with the control unit 2.
Use above-mentioned multi-functional humidifier capability test device, its specific test operating mode includes:
under the working condition 1, only wet air is input into a wet air end: the dry air inlet of the manual inlet valve 1 is opened to receive filtered dry air, the air flow is controlled through the electromagnetic flow regulating valve 10 and the flow meter 12, the temperature is controlled through the heating unit 13, and the air pressure before entering the tested humidifier is regulated through the electromagnetic regulating needle valve 22 to enter the humidifier to be tested. The temperature feedback unit 15, the pressure feedback unit 16 and the humidity feedback unit 17 feed back parameters to the control unit 2 in real time. The wet air inlet is connected to the filtered dry air by opening the manual inlet valve 44, the reverse flow of air is prevented by the check valve 43, the air flow rate is controlled by the electromagnetic flow control valve 42 and the flow meter 41, the temperature is controlled by the heating unit 40, and the air pressure before entering the humidifying unit 8 is adjusted by the electromagnetic needle valve 34 and enters the humidifying unit 8. The temperature feedback unit 3, the pressure feedback unit 5 and the humidity feedback unit 6 feed back parameters before entering the humidifying unit 8 to the control unit 2 in real time. The flow and temperature of the liquid water in the humidifying unit are controlled by the warming water tank 38 and the water pump 39. The humidified air parameters are fed back to the control unit 2 in real time through the temperature feedback unit 35, the pressure feedback unit 36 and the humidity feedback unit 37. Opening solenoid valve 33 and closing solenoid valve 14, solenoid valve 32 and solenoid valve 26 ensures that only humidified air is passed into the humidifier to be tested. When the dry and wet air meeting the parameters enters the humidifier to be tested, the dry and wet air is subjected to work by the humidifier to be tested, the output humidified dry air parameters are fed back to the control unit 2 by the temperature feedback unit 19, the pressure feedback unit 20 and the humidity feedback unit 21, and are guided to the front end of the electromagnetic regulating valve 42 through the opened electromagnetic regulating valve 24 to enter the next cycle; the output residual wet air parameters are fed back to the control unit 2 by the temperature feedback unit 27, the pressure feedback unit 28 and the humidity feedback unit 29, and are guided to the front end of the electromagnetic regulating valve 42 through the opened electromagnetic regulating valve 25 and the electromagnetic regulating valve 24 to enter the next cycle. If the temperature is higher than the required parameter, the electromagnetic regulating valve 23 is opened to discharge the redundant gas. For each stage of parameters of the test, the control unit 2 records and summarizes the parameters and outputs the set parameters.
Working condition 2, wet air and liquid water with adjustable flow are input from a wet air end: the dry air inlet of the manual inlet valve 1 is opened to receive filtered dry air, the air flow is controlled through the electromagnetic flow regulating valve 10 and the flow meter 12, the temperature is controlled through the heating unit 13, and the air pressure before entering the tested humidifier is regulated through the electromagnetic regulating needle valve 22 to enter the humidifier to be tested. The temperature feedback unit 15, the pressure feedback unit 16 and the humidity feedback unit 17 feed back parameters to the control unit 2 in real time. The wet air inlet is connected to the filtered dry air by opening the manual inlet valve 44, the reverse flow of air is prevented by the check valve 43, the air flow rate is controlled by the electromagnetic flow control valve 42 and the flow meter 41, the temperature is controlled by the heating unit 40, and the air pressure before entering the humidifying unit 8 is adjusted by the electromagnetic needle valve 34 and enters the humidifying unit 8. The temperature feedback unit 3, the pressure feedback unit 5 and the humidity feedback unit 6 feed back parameters before entering the humidifying unit 8 to the control unit 2 in real time. The flow and temperature of the liquid water in the humidifying unit are controlled by the warming water tank 38 and the water pump 39. The humidified air parameters are fed back to the control unit 2 in real time through the temperature feedback unit 35, the pressure feedback unit 36 and the humidity feedback unit 37. Meanwhile, the heating water tank 4 and the peristaltic pump 7 start to work, and the pressure feedback unit 9 and the water flow feedback unit 11 feed back to the control unit 2 in real time. Opening solenoid valve 33 and solenoid valve 14 and closing solenoid valve 32 and solenoid valve 26 ensures that only humidified air and liquid water enters the humidifier to be tested. When the dry and wet air and the liquid water meeting the parameters enter the humidifier to be tested, the humidifier to be tested works, the output humidified dry air parameters are fed back to the control unit 2 by the temperature feedback unit 19, the pressure feedback unit 20 and the humidity feedback unit 21, and are guided to the front end of the electromagnetic regulating valve 42 through the opened electromagnetic regulating valve 24 to enter the next cycle; the output residual wet air parameters are fed back to the control unit 2 by the temperature feedback unit 27, the pressure feedback unit 28 and the humidity feedback unit 29, and are guided to the front end of the electromagnetic regulating valve 42 through the opened electromagnetic regulating valve 25 and the electromagnetic regulating valve 24 to enter the next cycle. If the temperature is higher than the required parameter, the electromagnetic regulating valve 23 is opened to discharge the redundant gas. For each stage of parameters of the test, the control unit 2 records and summarizes the parameters and outputs the set parameters.
Working condition 3, liquid water is only input into the wet air end: the dry air inlet of the manual inlet valve 1 is opened to receive filtered dry air, the air flow is controlled through the electromagnetic flow regulating valve 10 and the flow meter 12, the temperature is controlled through the heating unit 13, and the air pressure before entering the tested humidifier is regulated through the electromagnetic regulating needle valve 22 to enter the humidifier to be tested. The temperature feedback unit 15, the pressure feedback unit 16 and the humidity feedback unit 17 feed back parameters to the control unit 2 in real time. The manual inlet valve 44, solenoid valves 42, 14, 33, 25, 24 are closed, solenoid valves 26 and 32 are opened, and the flow and temperature of the liquid water into the humidifier to be tested is controlled by the warm water tank 30, water pump 31. Ensuring that only liquid water enters the humidifier to be tested. When dry air and liquid water meeting the parameters enter the humidifier to be tested and work through the humidifier to be tested, the output humidified dry air parameters are fed back to the control unit 2 by the temperature feedback unit 19, the pressure feedback unit 20 and the humidity feedback unit 21 and are discharged through the opened electromagnetic adjusting valve 23; the output residual liquid water parameters are fed back to the control unit 2 by the temperature feedback unit 27 and the pressure feedback unit 28, and are returned to the warming water tank 30 through the opened electromagnetic regulating valve 26. For each stage of parameters of the test, the control unit 2 records and summarizes the parameters and outputs the set parameters.
The traditional testing device can only test the humidification characteristic when the humid air passes through, can not completely simulate the actual working condition of mixing the humid air and the liquid water at the air outlet of various galvanic piles, and can not accurately calibrate the humidification characteristic of the humidifier. The technical scheme is suitable for the working conditions output by the air outlets of various galvanic piles, and the humidifying characteristic of the humidifier can be accurately calibrated; in addition, the technical scheme can also make the dry and wet air at the dry and wet air outlet after the test of the humidifier flow back to the wet air inlet so as to humidify again, thereby reducing the heat energy loss and saving more energy; in addition, in the technical scheme, all the feedback units can be started for use, and can also be selectively used according to the test characteristics, so that the tests under different working conditions can be conveniently and quickly switched, the test time can be saved, and the humidifying unit can be used for outputting the humidified air humidity of 0-100%.
Claims (10)
1. The multifunctional humidifier performance testing device is characterized by comprising a dry air inlet, a wet air inlet, a control unit (2) and a humidifying unit (8), wherein one end of the dry air inlet is communicated with filtered dry air, the other end of the dry air inlet is connected with a humidifier (18) to be tested through a dry air connecting pipeline, and the dry air connecting pipeline is in communication connection with the control unit (2);
one end of the wet air inlet is communicated with the filtered dry air, the other end of the wet air inlet is connected with the humidifying unit (8) through an adjusting pipeline, the adjusting pipeline is in communication connection with the control unit (2), and the humidifying unit (8) outputs the humidified air to the humidifier (18) to be tested;
the humidifier (18) to be tested is further connected with a first liquid water preparation part and a second liquid water preparation part, the humidifying unit (8) is connected with a third liquid water preparation part, and the first liquid water preparation part, the second liquid water preparation part and the third liquid water preparation part are respectively in communication connection with the control unit (2);
the output end of the humidifier to be tested (18) is respectively connected with a humidified air parameter feedback pipeline and a residual humid air parameter feedback pipeline, the humidified air parameter feedback pipeline and the residual humid air parameter feedback pipeline are respectively in communication connection with the control unit (2), the humidified air parameter feedback pipeline and the residual humid air parameter feedback pipeline are jointly connected to a circulating pipeline, and the circulating pipeline is connected between a humid air inlet and an adjusting pipeline;
the control unit (2) is also in communication connection with a discharge pipeline for discharging redundant gas, and the discharge pipeline is respectively connected with the humidified air parameter feedback pipeline and the residual humid air parameter feedback pipeline.
2. The multifunctional humidifier performance testing device according to claim 1, wherein the first liquid water preparation portion comprises a first warming water tank (4) and a peristaltic pump (7) which are sequentially connected, the first warming water tank (4) and the peristaltic pump (7) are respectively in communication connection with the control unit (2), a fourth parameter feedback portion and a second electromagnetic regulating valve (14) are sequentially connected between the peristaltic pump (7) and the humidifier (18) to be tested, the fourth parameter feedback portion and the second electromagnetic regulating valve (14) are respectively in communication connection with the control unit (2), and the fourth parameter feedback portion comprises a fourth pressure feedback unit (9) and a water flow feedback unit (11).
3. A multi-functional humidifier performance testing apparatus according to claim 1, wherein the dry air inlet is provided with a first manual inlet valve (1), the dry air connection pipeline is provided with a first electromagnetic flow regulating valve (10) and a first flow meter (12) for controlling air flow, a first heating unit (13) for controlling temperature, and a first parameter feedback portion, and the first electromagnetic flow regulating valve (10), the first flow meter (12), the first heating unit (13), and the first parameter feedback portion are respectively in communication connection with the control unit (2).
4. A multi-functional humidifier performance testing apparatus according to claim 3, wherein the first parameter feedback section includes a first temperature feedback unit (15), a first pressure feedback unit (16), and a first humidity feedback unit (17).
5. The multifunctional humidifier performance testing device according to claim 1, wherein a second manual inlet valve (44) is arranged at the wet air inlet, a one-way valve (43) for preventing air backflow is connected between the second manual inlet valve (44) and a regulating pipeline, a second electromagnetic flow regulating valve (42) and a second flow meter (41) for controlling air flow, a second heating unit (40) for controlling temperature and a second parameter feedback part are arranged on the regulating pipeline, and the second electromagnetic flow regulating valve (42), the second flow meter (41), the second heating unit (40) and the second parameter feedback part are respectively in communication connection with the control unit (2).
6. A multi-functional humidifier performance testing apparatus according to claim 5, wherein the second parameter feedback section includes a second temperature feedback unit (3), a second pressure feedback unit (5) and a second humidity feedback unit (6).
7. The multifunctional humidifier performance testing device according to claim 1, wherein a third parameter feedback portion, a first electromagnetic adjustment needle valve (34) and a first electromagnetic adjustment valve (33) are sequentially arranged between the humidifying unit (8) and the humidifier (18) to be tested, the third parameter feedback portion, the first electromagnetic adjustment needle valve (34) and the first electromagnetic adjustment valve (33) are respectively in communication connection with the control unit (2), and the third parameter feedback portion comprises a third temperature feedback unit (35), a third pressure feedback unit (36) and a third humidity feedback unit (37).
8. The multifunctional humidifier performance testing device according to claim 1, wherein the second liquid water preparation portion comprises a second warming water tank (30) and a first water pump (31) which are sequentially connected, the second warming water tank (30) and the first water pump (31) are respectively in communication connection with the control unit (2), a third electromagnetic regulating valve (26) is connected between the second warming water tank (30) and the humidifier (18) to be tested, a fourth electromagnetic regulating valve (32) is connected between the first water pump (31) and the humidifier (18) to be tested, and the third electromagnetic regulating valve (26) and the fourth electromagnetic regulating valve (32) are respectively in communication connection with the control unit (2).
9. The multi-functional humidifier performance testing apparatus according to claim 1, wherein the third liquid water preparation portion comprises a third warming water tank (38) and a second water pump (39) which are connected in sequence, and the third warming water tank (38) and the second water pump (39) are respectively in communication connection with the control unit (2).
10. The multifunctional humidifier performance testing device according to claim 1, wherein a fifth parameter feedback part and a second electromagnetic adjusting needle valve (22) are arranged on the humidified air parameter feedback pipeline and are sequentially connected, the fifth parameter feedback part and the second electromagnetic adjusting needle valve (22) are respectively in communication connection with the control unit (2), and the fifth parameter feedback part comprises a fifth temperature feedback unit (19), a fifth pressure feedback unit (20) and a fifth humidity feedback unit (21);
a sixth parameter feedback part and a fifth electromagnetic regulating valve (25) which are sequentially connected are arranged on the residual humid air parameter feedback pipeline, the sixth parameter feedback part and the fifth electromagnetic regulating valve (25) are respectively in communication connection with the control unit (2), and the sixth parameter feedback part comprises a sixth temperature feedback unit (27), a sixth pressure feedback unit (28) and a sixth humidity feedback unit (29);
the discharging pipeline is provided with a sixth electromagnetic regulating valve (23), the circulating pipeline is provided with a seventh electromagnetic regulating valve (24), and the sixth electromagnetic regulating valve (23) and the seventh electromagnetic regulating valve (24) are respectively in communication connection with the control unit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202122525007.3U CN216348765U (en) | 2021-10-20 | 2021-10-20 | Multi-functional humidifier capability test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122525007.3U CN216348765U (en) | 2021-10-20 | 2021-10-20 | Multi-functional humidifier capability test device |
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| CN216348765U true CN216348765U (en) | 2022-04-19 |
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| CN202122525007.3U Active CN216348765U (en) | 2021-10-20 | 2021-10-20 | Multi-functional humidifier capability test device |
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2021
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Effective date of registration: 20231031 Granted publication date: 20220419 |