CN114112469A - Air source heat pump test system - Google Patents
Air source heat pump test system Download PDFInfo
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- CN114112469A CN114112469A CN202111436860.6A CN202111436860A CN114112469A CN 114112469 A CN114112469 A CN 114112469A CN 202111436860 A CN202111436860 A CN 202111436860A CN 114112469 A CN114112469 A CN 114112469A
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- 238000012360 testing method Methods 0.000 title claims abstract description 223
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 266
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 description 22
- 125000004122 cyclic group Chemical group 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
Abstract
The invention belongs to the technical field of air source heat pump testing, and discloses an air source heat pump testing system. The air source heat pump test system comprises a machine to be tested, a test water tank set and a temperature regulating unit, wherein a first water inlet end of the test water tank set is communicated with the machine to be tested, a water outlet end of the test water tank set is respectively communicated with the machine to be tested and the outside, the test water tank set comprises test water tanks of various models, the machine to be tested can be communicated with any one test water tank of the test water tank set, and a water outlet end of the temperature regulating unit is communicated with a second water inlet end of the test water tank set. By using the air source heat pump test system in the technical scheme, the test water tank group comprises the test water tanks of various models, any one of the test water tanks can be communicated with the machine to be tested, and an operator can selectively control the test water tanks according to different models and different water quantities, so that the air source heat pump test system can be matched with air source heat pumps of various models.
Description
Technical Field
The invention relates to the technical field of air source heat pump testing, in particular to an air source heat pump testing system.
Background
Air source heat pump system generally can be divided into instant heating mode and circulation mode, and instant heating mode need not heat storage water tank, and entire system is relatively stable than the circulation mode, but requires highly to the power of heat pump, and the cost improves, and in addition, instant heating mode adopts the water supply system of cold and hot moisture source mostly, because cold and hot water pressure is different, and the temperature is wayward when leading to the user to use hot water. The circulation heating mode can prolong the heating time, stagger the hot water heating time and the use time period, and the water temperature is also easier to control, but the user has the phenomenon that hot and cold water mixes in the water storage tank when using hot water, can reduce the temperature in the water storage tank after mixing, and especially when the water peak, seriously influences user comfort level.
At present, traditional air source heat pump need carry out the circulation heating experimental system, and then detect air source heat pump's circulation heating capacity efficiency, but current test water tank model is single, when carrying out the test operation to the air source heat pump of different models, need change different test water tank and detect, has reduced efficiency of software testing. In addition, the existing test system adopts manual control, the water amount is manually operated through a valve and calculated, the operation is troublesome, the time is long, the error is large, and the experimental data deviation is large.
Disclosure of Invention
The invention aims to provide an air source heat pump testing system which is used for at least solving the problem of low testing efficiency caused by single type of a testing water tank of the existing testing system.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air-source heat pump test system comprising:
a machine to be tested;
the first water inlet end of the test water tank set is communicated with the machine to be tested, the water outlet end of the test water tank set is respectively communicated with the machine to be tested and the outside, the test water tank set comprises test water tanks of various types, and the machine to be tested can be communicated with any one type of test water tank in the test water tank set;
and the water outlet end of the temperature adjusting unit is communicated with the second water inlet end of the test water tank group.
Preferably, the test water tank group comprises a first test water tank and a second test water tank, and the first test water tank and the second test water tank are arranged in parallel.
Preferably, a first electromagnetic valve is arranged between the first test water tank and the temperature adjusting unit and electrically connected with a control center.
Preferably, a second electromagnetic valve is arranged between the second test water tank and the temperature adjusting unit and electrically connected with a control center.
Preferably, a first electric valve is arranged between the first test water tank and the to-be-tested machine, and the first electric valve is electrically connected with the control center.
Preferably, a second electric valve is arranged between the second test water tank and the to-be-tested machine, and the second electric valve is electrically connected with the control center.
Preferably, a third electric valve is arranged between the first test water tank and the outside, and the third electric valve is electrically connected with a control center.
Preferably, a fourth electric valve is arranged between the second test water tank and the outside, and the fourth electric valve is electrically connected with the control center.
Preferably, the temperature adjusting unit comprises a first water pump, an operating condition machine and a temperature adjusting water tank which are sequentially communicated, a first water outlet end of the temperature adjusting water tank is communicated with the test water tank group, and a second water outlet end of the temperature adjusting water tank is communicated with the operating condition machine.
Preferably, a flow meter and a second water pump are arranged between the temperature adjusting unit and the test water tank group, and the flow meter and the second water pump are respectively and electrically connected with a control center.
Preferably, a third water pump is arranged between the machine to be tested and the test water tank group, and the third water pump is electrically connected with the control center.
The invention has the beneficial effects that:
by using the air source heat pump test system in the technical scheme, a combined structure of a to-be-tested machine and a test water tank combined temperature regulating unit is adopted, the to-be-tested machine is an air source heat pump to be tested, the temperature regulating unit is used for controlling the temperature of test water and enabling the test water to flow to a test water tank set, and the test water tank is used for leading quantitative and constant-temperature test water to the to-be-tested machine so as to further detect the heating capacity and the heating energy efficiency of the to-be-tested machine.
And secondly, the electromagnetic valve and the electric valve are electrically connected with the control center, so that the automatic control of the whole test system can be realized, the control efficiency is improved, and the control of the test system is more efficient.
In addition, the flowmeter is arranged between the temperature adjusting unit and the test water tank set, so that the quantitative water supply of the temperature adjusting water tank to the test water tank set can be realized, the control of the test system is more accurate, and the reliability is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the air source heat pump test system of the invention.
In the figure:
10. a machine to be tested; 11. a third water pump; 12. a fifth electrically operated valve;
21. a first test water tank; 211. a first solenoid valve; 212. a first electrically operated valve; 213. a third electrically operated valve; 22. a second test water tank; 221. a second solenoid valve; 222. a second electrically operated valve; 223. a fourth electrically operated valve;
31. a temperature-regulating water tank; 311. a second water pump; 312. a flow meter; 313. a sixth electrically operated valve; 314. a seventh electrically operated valve; 32. a working condition machine; 33. a first water pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Fig. 1 is a schematic diagram of the overall structure of the air source heat pump test system of the invention. As shown in fig. 1, the air source heat pump test system in the invention includes a to-be-tested machine 10, a test water tank set and a temperature adjustment unit, wherein a first water inlet end of the test water tank set is communicated with the to-be-tested machine 10, a water outlet end of the test water tank set is respectively communicated with the to-be-tested machine 10 and the outside, the test water tank set includes test water tanks of various types, the to-be-tested machine 10 can be communicated with any one type of test water tank in the test water tank set, and a water outlet end of the temperature adjustment unit is communicated with a second water inlet end of the test water tank set.
By using the air source heat pump test system in the technical scheme, a combined structure of the to-be-tested machine 10 and the test water tank combined temperature regulating unit is adopted, the to-be-tested machine 10 is an air source heat pump to be tested, the temperature regulating unit is used for controlling the temperature of test water and enabling the test water to flow to the test water tank set, the test water tank is used for leading quantitative and constant-temperature test water to the to-be-tested machine 10, and further detecting the heating capacity and the heating energy efficiency of the to-be-tested machine 10, the test water tank set comprises test water tanks of various models, any one of the test water tanks can be communicated with the to-be-tested machine 10, and an operator can selectively control the air source heat pump test system according to different models and different water volumes, so that the air source heat pump test system can be matched with air source heat pumps of various models, and the universality and the test efficiency of the air source heat pump test system are improved.
Preferably, as shown in fig. 1, the test water tank set includes a first test water tank 21 and a second test water tank 22, and the first test water tank 21 and the second test water tank 22 are disposed in parallel. In this embodiment, the test water tank set includes first test water tank 21 and second test water tank 22, and the capacity of first test water tank 21 in this embodiment is 500L, and the capacity of second test water tank 22 is 1000L to first test water tank 21 and second test water tank 22 set up in parallel, can realize that the machine under test 10 communicates with first test water tank 21 or second test water tank 22, and then detect the circulation heating performance of machine under test 10.
Preferably, as shown in fig. 1, a first solenoid valve 211 is provided between the first test water tank 21 and the temperature adjusting unit, and the first solenoid valve 211 is electrically connected to the control center. The first electromagnetic valve 211 can control the on-off state between the first test water tank 21 and the temperature regulating unit, when the machine to be tested 10 is matched with the first test water tank 21, the first electromagnetic valve 211 is in an open state, the test water of the temperature regulating unit can be quantitatively led to the first test water tank 21 and finally led to the machine to be tested 10, and the test of the circulating heating performance is carried out.
Preferably, as shown in fig. 1, a second electromagnetic valve 221 is disposed between the second test water tank 22 and the temperature adjusting unit, and the second electromagnetic valve 221 is electrically connected to the control center. The second electromagnetic valve 221 can control the on-off state between the second test water tank 22 and the temperature adjusting unit, when the machine under test 10 is matched with the second test water tank 22, the second electromagnetic valve 221 is in an open state, the test water of the temperature adjusting unit can quantitatively lead to the second test water tank 22 and finally lead to the machine under test 10, and the test of the circulating heating performance is carried out.
Preferably, as shown in fig. 1, a first electric valve 212 is disposed between the first test water tank 21 and the dut 10, and the first electric valve 212 is electrically connected to the control center. First motorised valve 212 and first test water tank 21 phase-match can open the operation when awaiting measuring machine 10 matches with first test water tank 21, closes the operation when awaiting measuring machine 10 mismatches with first test water tank 21, has promoted the reliability.
Preferably, as shown in fig. 1, a second electric valve 222 is disposed between the second testing water tank 22 and the dut 10, and the second electric valve 222 is electrically connected to the control center. The second electrically operated valve 222 is matched with the second test water tank 22, so that the opening operation can be performed when the machine under test 10 is matched with the second test water tank 22, and the closing operation can be performed when the machine under test 10 is not matched with the second test water tank 22, so that the reliability is improved.
Preferably, as shown in fig. 1, a third electric valve 213 is provided between the first test water tank 21 and the outside, and the third electric valve 213 is electrically connected to the control center. In the testing process, if the first testing water tank 21 is matched with the machine under test 10, the third electric valve 213 is needed to discharge the liquid water in the first testing water tank 21, and then the testing water with the temperature adjusting unit quantitatively and the temperature is introduced, so that the data when the cyclic heating performance of the machine under test 10 is detected is more accurate and reliable.
Preferably, as shown in fig. 1, a fourth electric valve 223 is disposed between the second test water tank 22 and the outside, and the fourth electric valve 223 is electrically connected to the control center. In the testing process, if the second testing water tank 22 is matched with the machine under test 10, the liquid water in the second testing water tank 22 needs to be discharged through the fourth electric valve 223, and then the testing water with the temperature adjusting unit quantitatively and the temperature fixed is introduced, so that the data when the cyclic heating performance of the machine under test 10 is detected is more accurate and reliable.
Preferably, as shown in fig. 1, the temperature adjustment unit includes a first water pump 33, an operating condition machine 32, and a temperature adjustment water tank 31, which are sequentially communicated, a first water outlet end of the temperature adjustment water tank 31 is communicated with the test water tank set, and a second water outlet end of the temperature adjustment water tank 31 is communicated with the operating condition machine 32. The capacity of the temperature-adjusting water tank 31 in this embodiment is 2000L, and an electric heating assembly is provided inside, which can heat the test water inside. The first water pump 33 is used to promote the flow of the test water. The condition machine 32 can realize that the test water works under different conditions.
Specifically, as shown in fig. 1, in this embodiment, the third water outlet end of the temperature-adjusting water tank 31 is communicated with the water inlet end of the dut 10, the first water inlet end of the temperature-adjusting water tank 31 is communicated with the operating condition machine 32, and the second water inlet end of the temperature-adjusting water tank 31 is communicated with the water outlet end of the dut 10, so that the temperature-adjusting water tank 31 can also serve as a test water tank, when the capacity of the dut 10 is matched with that of the temperature-adjusting water tank 31, the test water heated by the temperature-adjusting water tank 31 directly forms a loop with the dut 10, so as to test the cyclic heating capacity of the dut 10, thereby further improving the universality and applicability of the test system.
Specifically, as shown in fig. 1, in the present embodiment, a sixth electric valve 313 is disposed on a first pipeline between the temperature-adjusting water tank 31 and the device under test 10, and a seventh electric valve 314 is disposed on a second pipeline between the temperature-adjusting water tank 31 and the device under test 10. When the accommodating capacity of the dut 10 is matched with that of the temperature-regulating water tank 31, the sixth electrically operated valve 313 and the seventh electrically operated valve 314 can control the on-off state between the dut 10 and the temperature-regulating water tank 31, so as to achieve the corresponding test purpose.
Preferably, as shown in fig. 1, a flow meter 312 and a second water pump 311 are arranged between the temperature regulating unit and the test water tank set, and the flow meter 312 and the second water pump 311 are respectively and electrically connected with the control center. The flow meter 312 is used to quantitatively supply the test water inputted into the test water tank set, and the second water pump 311 can promote the test water of the temperature adjusting unit to flow toward the test water tank set.
Preferably, as shown in fig. 1, a third water pump 11 is arranged between the machine under test 10 and the test water tank set, and the third water pump 11 is electrically connected with the control center. The third water pump 11 is used to promote the flow of the test water so that the test water can flow in the direction of the test apparatus 10.
Specifically, as shown in fig. 1, in other embodiments of the present invention, a fifth electric valve 12 is provided between the outside and the test water tank set, and the fifth electric valve 12 is used for discharging the excessive test water to the outside.
Further, the operation flow of the test system of the present invention for the first model dut is: when one air source heat pump needs to test the cyclic heating performance, the capacity parameter of the air source heat pump is 480L water volume, and the air source heat pump needs to be heated from 9 ℃ to 55 ℃. The first water pump 33 is firstly started, and then the working condition machine 32 and the temperature-adjusting water tank 31 are started, so that the water temperature is controlled below 9 ℃. Since the water amount of the dut 10 is 480L, 500L of the second test water tank 22 is selected, and the fourth electric valve 223 and the fifth electric valve 12 are opened to drain the remaining water in the second test water tank 22. After the water control of the temperature-adjusting water tank 31 is below 9 ℃, the second electromagnetic valve 221 is opened, the flow meter 312 is controlled by the control center, the rated water volume of the second test water tank 22 is input, the electromagnetic flow meter 312 can perform accurate calculation, the reliability is improved, meanwhile, the second water pump 311 is opened, and the test water of the temperature-adjusting water tank 31 can automatically output 480L of water required by the to-be-tested device 10 into 500L of the second test water tank 22. And then, opening the second electric valve 222, and starting the third water pump 11 and the machine under test 10, so that the cyclic heating performance of the machine under test 10 heated from 9 ℃ to 55 ℃ can be detected.
Specifically, the operation flow of the test system of the present invention for the second model dut is as follows: when another air source heat pump needs to test the cyclic heating performance, the capacity parameter of the air source heat pump is 960L water volume, and the air source heat pump needs to be heated from 15 ℃ to 55 ℃. The first water pump 33 is firstly started, and then the working condition machine 32 and the temperature-adjusting water tank 31 are started, so that the water temperature is controlled below 15 ℃. Since the water amount of the dut 10 is 960L, 1000L of the first test water tank 21 is selected, and the third electric valve 213 and the fifth electric valve 12 are opened to drain the remaining water of the first test water tank 21. After the water in the temperature-adjusting water tank 31 is controlled below 15 ℃, the first electromagnetic valve 211 is opened, the flow meter 312 is controlled by the control center, the rated water amount of the first test water tank 21 is input, the electromagnetic flow meter 312 can perform accurate calculation, the reliability is improved, meanwhile, the second water pump 311 is started, and the test water in the temperature-adjusting water tank 31 can automatically output 960L of water required by the machine under test 10 into 1000L of the first test water tank 21. And then, opening the first electric valve 212, and starting the third water pump 11 and the machine under test 10, so that the cyclic heating performance of the machine under test 10 heated from 15 ℃ to 55 ℃ can be detected.
Specifically, the air source heat pump can be selectively controlled according to different models of the to-be-tested machine 10 and different water quantities, the operation is simple, the water quantity is automatically controlled through the control center, and the required rated water quantity is input, so that the control of the test system is more accurate and efficient.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (11)
1. An air source heat pump test system, comprising:
a device under test (10);
the first water inlet end of the test water tank set is communicated with the machine to be tested (10), the water outlet end of the test water tank set is respectively communicated with the machine to be tested (10) and the outside, the test water tank set comprises test water tanks of various models, and the machine to be tested (10) can be communicated with any one test water tank in the test water tank set;
and the water outlet end of the temperature adjusting unit is communicated with the second water inlet end of the test water tank group.
2. The air-source heat pump test system of claim 1, wherein the test water tank set comprises a first test water tank (21) and a second test water tank (22), the first test water tank (21) and the second test water tank (22) being arranged in parallel.
3. The air-source heat pump test system according to claim 2, wherein a first solenoid valve (211) is arranged between the first test water tank (21) and the temperature regulating unit, and the first solenoid valve (211) is electrically connected with a control center.
4. The air-source heat pump test system according to claim 2, wherein a second electromagnetic valve (221) is arranged between the second test water tank (22) and the temperature regulating unit, and the second electromagnetic valve (221) is electrically connected with a control center.
5. The air-source heat pump test system according to claim 2, wherein a first electric valve (212) is arranged between the first test water tank (21) and the test machine (10), and the first electric valve (212) is electrically connected with a control center.
6. The air-source heat pump test system according to claim 2, wherein a second electric valve (222) is arranged between the second test water tank (22) and the test machine (10), and the second electric valve (222) is electrically connected with a control center.
7. The air-source heat pump test system according to claim 2, wherein a third electric valve (213) is arranged between the first test water tank (21) and the outside, and the third electric valve (213) is electrically connected with a control center.
8. The air-source heat pump test system according to claim 2, wherein a fourth electric valve (223) is arranged between the second test water tank (22) and the outside, and the fourth electric valve (223) is electrically connected with a control center.
9. The air source heat pump test system according to claim 1, wherein the temperature regulating unit comprises a first water pump (33), an operating condition machine (32) and a temperature regulating water tank (31) which are sequentially communicated, a first water outlet end of the temperature regulating water tank (31) is communicated with the test water tank group, and a second water outlet end of the temperature regulating water tank (31) is communicated with the operating condition machine (32).
10. The air-source heat pump test system according to claim 1, wherein a flow meter (312) and a second water pump (311) are arranged between the temperature regulating unit and the test water tank group, and the flow meter (312) and the second water pump (311) are respectively and electrically connected with a control center.
11. The air-source heat pump test system as claimed in claim 1, wherein a third water pump (11) is arranged between the machine under test (10) and the test water tank group, and the third water pump (11) is electrically connected with a control center.
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| CN202111436860.6A CN114112469A (en) | 2021-11-29 | 2021-11-29 | Air source heat pump test system |
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Cited By (2)
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| CN115824691A (en) * | 2023-02-20 | 2023-03-21 | 格瑞海思人居环境科技(江苏)有限公司 | Air source heat pump testing device and testing method thereof |
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| CN113252380A (en) * | 2021-06-22 | 2021-08-13 | 浙江创能新能源股份有限公司 | Automatic test platform of multi-functional heat pump |
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