CN112033715A - Novel trans-critical CO2Heat pump performance testing device - Google Patents
Novel trans-critical CO2Heat pump performance testing device Download PDFInfo
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- CN112033715A CN112033715A CN202010822258.5A CN202010822258A CN112033715A CN 112033715 A CN112033715 A CN 112033715A CN 202010822258 A CN202010822258 A CN 202010822258A CN 112033715 A CN112033715 A CN 112033715A
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Abstract
The invention discloses novel trans-critical CO2Heat pump performance test device, which comprises an outer shell, the inside of shell has been seted up respectively between the test, between the water side operating mode and between control collection, and the bottom inner wall center department between the test installs the testboard through the bolt, the top of testboard is provided with the test machine, and be provided with the control room on keeping away from between the water side operating mode between the control collection on the bottom lateral wall, and the inside of control room is provided with the power, data acquisition subassembly and computer, the data acquisition subassembly includes terminal box, data acquisition card and steady voltage power supply. According to the invention, through the arranged computer, after the performance of the carbon dioxide heat pump testing machine is detected, the detected signal is transmitted to the interior of the computer through the data acquisition assembly, all signal data can be acquired and detected simultaneously, and through the arranged flow testing device, after the carbon dioxide testing machine is tested, the data is acquired through the temperature and flow testing device.
Description
Technical Field
The invention relates to a novel commercial transcritical CO2Heat pump (performance) testing device belongs to the technical field of heat pump detection, and particularly relates to a novel trans-critical CO2Provided is a heat pump performance testing device.
Background
Carbon dioxide heat pump using CO2As refrigerant in heat pump systems, due to CO2The refrigerant has the code number of R-744, so that CO2The heat pump is also known as an R744 heat pump. At present, commercial transcritical carbon dioxide heat pump performance detection device adopts instrument detection and manual record to traditional detection method, not only take time and probably omit important data, and there is inaccurate scheduling problem of reading, in addition, some import check out test set are expensive, and be not convenient for remove, along with the development of new energy era, replace high GWP working medium with natural working medium such as CO2, be the major measure of realizing china's energy saving and emission reduction, the carbon dioxide heat pump is gradually replaced by market approval, also be in future the only heating and feasible heat pump scheme of hot water, therefore, need design a novel transcritical CO2 heat pump performance test device to solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to solve the problems that the traditional detection method adopts instrument detection and manual recording, not only wastes time and possibly omits important data and has inaccurate reading and the like in the prior art, but also part of imported detection equipment is expensive and is inconvenient to move
With the development of new energy era, natural working media such as CO are used2The method is a great measure for realizing energy conservation and emission reduction in China by replacing a working medium with high GWP, the carbon dioxide heat pump is gradually replaced by market approval and is also the only feasible heat pump scheme for heating and hot water in the future, and the novel trans-critical CO is provided2Provided is a heat pump performance testing device.
In order to achieve the purpose, the invention adopts the following technical scheme:
novel trans-critical CO2The heat pump performance testing device comprises a shell, wherein a testing room, a water side working condition room and a control acquisition room are respectively arranged in the shell, a testing table is installed at the center of the inner wall of the bottom of the testing room through a bolt, a testing machine is arranged at the top of the testing table, a control room is arranged on the outer side wall of the bottom of the control acquisition room, which is far away from the water side working condition room, a power supply, a data acquisition assembly and a computer are arranged in the control room, and the data acquisition assembly comprises a junction box, a data acquisition card and a voltage stabilization power supply.
The key concept of the technical scheme is as follows: through the computer that sets up, after carbon dioxide heat pump test machine performance detects, the inside of signal transmission to the computer after the detection through the data acquisition subassembly, operation method is simple to can gather and detect all signal data simultaneously, greatly make things convenient for user's use.
Further, all install the test subassembly through the bolt on the both sides inner wall between the test, and the test subassembly includes and is electric connection's temperature sensor, pressure sensor and air velocity transducer with the computer.
Further, install constant temperature and humidity machine through the bolt on the one side inner wall between the water side operating mode, and the control is gathered and is close to one side outer wall of constant temperature and humidity machine and all install ethylene glycol water tank and the plate heat exchanger that is linked together with constant temperature and humidity machine through the bolt.
Furthermore, a flow testing device and a cooling system are respectively arranged in the control acquisition room, and the cooling system and the flow testing device are communicated with the testing room through connecting pipes.
Furthermore, a cold water tank and a hot water tank are respectively arranged in the flow testing device, an intermediate temperature tank is arranged at the bottom of the flow testing device, and electromagnetic valves are arranged on the outer walls of one sides of the cold water tank, the hot water tank and the intermediate temperature tank which are adjacent to each other.
Furthermore, the flow testing device, the testing component and the constant temperature and humidity machine are electrically connected with the computer through the data acquisition component, and the computer is electrically connected with the power supply through a connecting wire.
The invention has the beneficial effects that:
1. through the computer that sets up, after carbon dioxide heat pump test machine performance detects, the inside of signal transmission to the computer after the detection through the data acquisition subassembly, operation method is simple to can gather and detect all signal data simultaneously, greatly make things convenient for user's use.
2. Through the flow test device who sets up, after the test of carbon dioxide test machine, the data after the test passes through temperature and flow test device and gathers signal data, can avoid the error that causes because of reasons such as artificial reading, has reduced artificial error and has made the device more safe effective, the effectual accuracy that has increased efficiency of software testing and data.
3. Through the constant temperature and humidity machine that sets up, make carbon dioxide heat pump test machine performance detection device generally be applicable to the air conditioning system of test various types, and then increased the device's suitability, make the device be fit for more popularizing and utilizing.
Drawings
FIG. 1 shows a novel trans-critical CO proposed by the present invention2The structure schematic diagram of the heat pump performance testing device;
FIG. 2 shows a novel trans-critical CO proposed by the present invention2The structure schematic diagram of a cooling system of the heat pump performance testing device;
FIG. 3 shows a novel trans-critical CO proposed by the present invention2The internal structure schematic diagram of the control room of the heat pump performance testing device;
FIG. 4 shows a novel trans-critical CO proposed by the present invention2The structure schematic diagram of the flow testing device of the heat pump performance testing device.
In the figure: 1 shell, 2 test rooms, 3 water side working condition rooms, 4 control collection rooms, 5 test tables, 6 test machines, 7 test components, 8 constant temperature and humidity machines, 9 flow test devices, 10 power supplies, 11 data acquisition groups, 12 computers, 13 cooling systems, 14 ethylene glycol water tanks, 15 plate heat exchangers, 16 cold water tanks, 17 hot water tanks, 18 middle temperature tanks and 19 air side working condition systems
And 20, controlling the room.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1 to 4, a novel trans-critical CO2Heat pump performance test device, including shell 1, shell 1's inside has been seted up respectively between the test 2, 3 between the water side operating mode and control gather 4, and the bottom inner wall center department of 2 between the test installs testboard 5 through the bolt, the top of testboard 5 is provided with test machine 6, and control gather and be provided with control room 20 on 4 keep away from the bottom lateral wall between the water side operating mode between 4, and control room 20's inside is provided with power 10, data acquisition subassembly 11 and computer 12, data acquisition subassembly 11 includes the terminal box, data acquisition card and steady voltage power supply, 2 are used for detecting test machine 6 between the test, control room 20 is used for looking over the condition of detection data.
As apparent from the above description, the present invention has the following advantageous effects: through the computer 12 that sets up, after carbon dioxide heat pump test machine 6 performance detects, the signal after the detection passes through data acquisition component 11 and transmits the inside to computer 6, and operation method is simple to can gather and detect all signal data simultaneously, greatly make things convenient for user's use.
Further, all install test component 7 through the bolt on the both sides inner wall of test room 2, and test component 7 includes and is electric connection's temperature sensor, pressure sensor and wind speed sensor with computer 12, and test component 7 is used for a series of some circumstances such as the temperature of check out test set, pressure and wind speed.
Further, a constant temperature and humidity machine 8 is installed on the inner wall of one side of the water side working chamber 3 through bolts, an ethylene glycol water tank 14 and a plate heat exchanger 15 which are communicated with the constant temperature and humidity machine 8 are installed on the outer wall of one side, close to the constant temperature and humidity machine 8, of the control acquisition chamber 4 through bolts, and the constant temperature and humidity machine 8 enables the performance detection device of the testing machine 6 to be suitable for testing various types of air conditioning systems.
Furthermore, a flow testing device 9 and a cooling system 13 are respectively arranged inside the control collection room 4, the cooling system 13 and the flow testing device 9 are communicated with the testing room 2 through connecting pipes, and the cooling system 13 and the flow testing device 9 are used for cooling the testing machine 6 for testing the flow.
Furthermore, a cold water tank 16 and a hot water tank 17 are respectively arranged in the flow testing device 9, a medium temperature tank 18 is arranged at the bottom of the flow testing device 9, electromagnetic valves are arranged on the outer walls of one sides of the cold water tank 16, the hot water tank 17 and the medium temperature tank 18 which are adjacent to each other, and the cold water tank 16, the hot water tank 17 and the medium temperature tank 18 improve the structure of the flow monitoring device 9.
Further, the flow testing device 9, the testing component 7 and the constant temperature and humidity machine 8 are electrically connected with the computer 12 through the data acquisition component 11, the computer 12 is electrically connected with the power supply 10 through a connecting wire, and the computer 12 performs an information processing function for the device.
By adopting the flow testing device 9, after the carbon dioxide testing machine 6 tests, the tested data is subjected to signal data acquisition through the temperature and flow testing device 9, so that errors caused by artificial reading and the like can be avoided, artificial errors are reduced, the device is safer and more effective, and the testing efficiency and the data accuracy are effectively increased; through the constant temperature and humidity machine 8 that sets up, make 6 performance detection devices of carbon dioxide heat pump test machine generally be applicable to the air conditioning system of test various types, and then increased the device's suitability, make the device be fit for more popularizing and utilizing.
Some preferred embodiments or application examples are listed below to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention with respect to the prior art:
example 1
Novel trans-critical CO2Heat pump performance testing device, including shell 1, 2 between the test, 3 between the water side operating mode and control collection room 4 have been seted up respectively to the inside of shell 1, and the bottom inner wall center department of 2 between the test is throughThe bolt is provided with a test board 5, the top of the test board 5 is provided with a test machine 6, the outer side wall of the bottom of the water side working condition room, far away from the collection room 4, is provided with a control room 20, a power supply 10, a data collection assembly 11 and a computer 12 are arranged inside the control room 20, the data collection assembly 11 comprises a junction box, a data collection card and a voltage stabilization power supply, the test room 2 is used for detecting the test machine 6, and the control room 20 is used for checking the condition of detection data.
The inner walls of the two sides of the test room 2 are respectively provided with a test component 7 through bolts, the test components 7 comprise a temperature sensor, a pressure sensor and a wind speed sensor which are electrically connected with the computer 12, and the test components 7 are used for detecting a series of conditions of temperature, pressure, wind speed and the like of equipment; a constant temperature and humidity machine 8 is installed on the inner wall of one side of the water side working condition room 3 through bolts, a glycol water tank 14 and a plate heat exchanger 15 which are communicated with the constant temperature and humidity machine 8 are installed on the outer wall of one side, close to the constant temperature and humidity machine 8, of the control acquisition room 4 through bolts, and the constant temperature and humidity machine 8 enables the performance detection device of the testing machine 6 to be suitable for testing various types of air conditioning systems; the control collection room 4 is internally provided with a flow testing device 9 and a cooling system 13 respectively, the cooling system 13 and the flow testing device 9 are communicated with the testing room 2 through connecting pipes, and the cooling system 13 and the flow testing device 9 are used for cooling the testing machine 6 for testing the flow; a cold water tank 16 and a hot water tank 17 are respectively arranged in the flow testing device 9, a medium temperature tank 18 is arranged at the bottom of the flow testing device 9, electromagnetic valves are arranged on the outer walls of one sides of the cold water tank 16, the hot water tank 17 and the medium temperature tank 18 which are adjacent to each other, and the cold water tank 16, the hot water tank 17 and the medium temperature tank 18 enable the structure of the flow monitoring device 9 to be more complete; the flow testing device 9, the testing component 7 and the constant temperature and humidity machine 8 are electrically connected with the computer 12 through the data acquisition component 11, the computer 12 is electrically connected with the power supply 10 through a connecting wire, and the computer 12 has the function of processing information for the device.
The working principle is as follows: when an operator uses the device, firstly, the device is placed at the top of the test bench 6, the test machine 6 meets the requirements of various working conditions outside the room through the temperature and the humidity of the constant temperature and humidity machine 8, so that the test is carried out under the conditions of various working conditions, secondly, each sensor respectively collects corresponding temperature, pressure and wind speed data signals in the testing machine 6 under various working conditions, and the collected data signals are simultaneously transmitted into the data acquisition assembly and then transmitted into the computer 6, and finally the computer 6 carries out data processing on the data signals to generate carbon dioxide heat pump performance parameters such as refrigerating capacity, heating capacity, refrigerating consumption power, heating consumption power and power consumption, water flow (water volume) and standard water tank temperature, water inlet temperature, water outlet temperature, water inlet and outlet pressure difference, performance coefficients, maximum load test, low temperature test, defrosting test rate and the like and time change curve graphs corresponding to the heat pump performance parameters.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. Novel trans-critical CO2The heat pump performance testing device comprises a shell (1) and is characterized in that a testing room (2), a water side working condition room (3) and a control collection room (4) are respectively arranged inside the shell (1), a testing platform (5) is installed at the center of the inner wall of the bottom of the testing room (2) through a bolt, a testing machine (6) is arranged at the top of the testing platform (5), a control room (20) is arranged on the outer side wall of the bottom of the control collection room (4) far away from the water side working condition room, a power supply (10), a data collection assembly (11) and a computer (12) are arranged inside the control room (20), and the data collection assembly (11) comprises a junction box, a data collection card and a voltage stabilization power supply collection card.
2. The novel transcritical CO of claim 12The heat pump performance testing device is characterized in that the inner walls of two sides of the testing room (2) are provided with testing components (7) through bolts, and the testing components (7) comprise a computer (12)The temperature sensor, the pressure sensor and the wind speed sensor are electrically connected.
3. The novel transcritical CO of claim 12Heat pump performance test device, its characterized in that, install constant temperature and humidity machine (8) through the bolt on the one side inner wall of water side during operating mode (3), and control gather between (4) one side outer wall that is close to constant temperature and humidity machine (8) all install ethylene glycol water tank (14) and plate heat exchanger (15) that are linked together with constant temperature and humidity machine (8) through the bolt.
4. The novel transcritical CO of claim 12The heat pump performance testing device is characterized in that a flow testing device (9) and a cooling system (13) are respectively arranged in the control collection room (4), and the cooling system (13) and the flow testing device (9) are communicated with the testing room (2) through connecting pipes.
5. The novel transcritical CO of claim 42The heat pump performance testing device is characterized in that a cold water tank (16) and a hot water tank (17) are respectively arranged in the flow testing device (9), an intermediate temperature tank (18) is arranged at the bottom of the flow testing device (9), and electromagnetic valves are arranged on the outer walls of one sides of the cold water tank (16), the hot water tank (17) and the intermediate temperature tank (18) which are adjacent to each other.
6. The novel transcritical CO of claim 42The heat pump performance testing device is characterized in that the flow testing device (9), the testing component (7) and the constant temperature and humidity machine (8) are electrically connected with a computer (12) through a data acquisition component (11), and the computer (12) is electrically connected with a power supply (10) through a connecting wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010822258.5A CN112033715A (en) | 2020-08-16 | 2020-08-16 | Novel trans-critical CO2Heat pump performance testing device |
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| CN202010822258.5A CN112033715A (en) | 2020-08-16 | 2020-08-16 | Novel trans-critical CO2Heat pump performance testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544091A (en) * | 2021-12-28 | 2022-05-27 | 杭州五维检测技术有限公司 | Transcritical CO2Heat pump leakage detection vibration rack |
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2020
- 2020-08-16 CN CN202010822258.5A patent/CN112033715A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544091A (en) * | 2021-12-28 | 2022-05-27 | 杭州五维检测技术有限公司 | Transcritical CO2Heat pump leakage detection vibration rack |
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