Radiation tail end heat transfer rate comparison test device

Abstract

The utility model relates to the technical field of radiation tail end heat transfer rate comparison test, and discloses a radiation tail end heat transfer rate comparison test device which comprises a mounting bottom plate, a cyclic heating equipment body, a cyclic heating water injection port, a DC24V direct current power supply, a communication module body, a first test sample block and a second test sample block, the circulating heating equipment comprises a mounting bottom plate, a circulating heating equipment body is fixedly mounted on one side of the mounting bottom plate, a circulating heating water injection port is formed in one side of the circulating heating equipment body, a DC24V direct-current power supply is fixedly mounted on one side of the mounting bottom plate, and a communication module body is fixedly mounted above the DC24V direct-current power supply. The radiation tail end heat transfer rate comparison test device is simple in structure, full-automatic in design, directly controlled through the HMI, and intuitive and easy to understand by displaying the surface heating or cooling curves of the two test sample blocks to compare the heat transfer rate and the effect taking speed of the two sample blocks, and the practicability of the radiation tail end heat transfer rate comparison test device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of radiation terminal heat transfer rate comparison test, in particular to a radiation terminal heat transfer rate comparison test device. Background Art

[0002] The final heat exchange effect of the radiation air conditioning terminal is proportional to the temperature difference between its average surface temperature and the room temperature. The surface temperature of the radiation terminal is related not only to the supply and return water temperature and flow rate, but also to the average thermal conductivity between the heat exchange medium and the radiation surface. If the thermal conductivity of a certain radiation terminal is high, it means that the rate of cold / heat transfer to the radiation surface is high, which is intuitively characterized by a fast onset of effect.

[0003] The radiation terminal heat transfer rate comparison test device (hereinafter referred to as "this device") is intended to compare the heat transfer performance of the test samples of two radiation terminals by recording and comparing the curves of the surface temperature of different test samples changing with time under the same water supply temperature.

[0004] Generally, it can display the temperature distribution on the surface of an object in real time, and use different colors to represent different temperature areas. However, it has certain limitations in emissivity measurement. It is necessary to know the emissivity of the object in advance to accurately measure the temperature. It is also inconvenient to compare the heat transfer rate and onset speed of the two samples, which makes the detection very troublesome and reduces the practicality of the radiation terminal heat transfer rate comparison test device. Utility Model Content

[0005] The purpose of the utility model is to provide a radiation terminal heat transfer rate comparison test device in order to solve the above-mentioned problems. The device is directly controlled by HMI, and compares the heat transfer rate and onset speed of the two test blocks by displaying the surface heating or cooling curves of the two test blocks. It is intuitive and easy to understand, and solves the problems mentioned in the background technology.

[0006] In order to solve the above problems, the utility model provides a technical solution:

[0007] A radiation terminal heat transfer rate comparison test device comprises a mounting base plate, a circulation heating device body, a circulation heating water injection port, a DC24V direct current power supply, a communication module body, a first test block and a second test block, wherein the circulation heating device body is fixedly mounted on one side of the mounting base plate, a circulation heating water injection port is provided on one side of the circulation heating device body, a DC24V direct current power supply is fixedly mounted on one side of the mounting base plate, a communication module body is fixedly mounted above the DC24V direct current power supply, a first test block is fixedly mounted on one side of the mounting base plate, and a second test block is fixedly mounted on one side of the first test block and on one side of the mounting base plate.

[0008] As a preferred solution of the utility model, a human-computer interaction screen is fixedly installed between the second test sample block and the first test sample block, a power plug is fixedly installed on one side of the DC24V direct current power supply, and a circulating hot water supply pipe is fixedly installed on one side of the circulating heating equipment body.

[0009] As a preferred solution of the utility model, a circulating hot water return pipe is fixedly installed on one side of the circulating hot water supply pipe, a first temperature sensor body is fixedly installed inside the first test sample block, a first temperature sensor signal line is fixedly installed on the bottom of the first temperature sensor body, and the first temperature sensor signal line is electrically connected to the communication module body.

[0010] As a preferred solution of the utility model, a second temperature sensor body is fixedly installed inside the second test sample block, a second temperature sensor signal line is fixedly installed on the bottom of the second temperature sensor body, the second temperature sensor signal line is electrically connected to the communication module body, a test device power supply line is fixedly installed on one side of the power plug, and the other end of the test device power supply line is fixedly installed on a DC24V direct current power supply.

[0011] As a preferred solution of the utility model, a circulating heating equipment live wire is fixedly installed on one side of the DC24V direct power supply, a circulating heating equipment neutral wire is fixedly installed on one side of the circulating heating equipment live wire, and a circulating heating equipment control wire is fixedly installed on the top of the circulating heating equipment neutral wire.

[0012] As a preferred solution of the utility model, an HMI power supply line is fixedly installed on one side of the DC24V direct current power supply, a communication module power supply line is fixedly installed on one side of the HMI power supply line, and a module communication line is fixedly installed inside the human-computer interaction screen.

[0013] The beneficial effects of the utility model are as follows: the device is designed with a size of 900mmx900mm, is easy to install and move, is fully automated, is directly controlled by HMI, and compares the heat transfer rate and onset speed of the two test blocks by displaying the surface heating or cooling curves of the two test blocks, which is intuitive and easy to understand, thereby improving the practicality of the radiation terminal heat transfer rate comparison test device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

[0015] Figure 1 It is a schematic diagram of the overall internal structure of the utility model;

[0016] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 This utility model Figure 1 Enlarged view of point B

[0018] Figure 4 It is an overall three-dimensional schematic diagram of the utility model.

[0019] In the figure: 1. Circulating heating device body; 2. Circulating heating water inlet; 3. DC24V direct current power supply; 4. Communication module body; 5. First test sample block; 6. Second test sample block; 7. Human-computer interaction screen; 8. Power plug; 9. Circulating hot water supply pipe; 10. Circulating hot water return pipe; 11. Installation base plate; 12. First temperature sensor body; 13. Second temperature sensor body; 14. Test device power supply line; 15. Circulating heating device live line; 16. Circulating heating device neutral line; 17. Circulating heating device control line; 18. HMI power supply line; 19. Communication module power supply line; 20. First temperature sensor signal line; 21. Second temperature sensor signal line; 22. Module communication line. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] Example

[0022] See also Figure 1 - Figure 4 The utility model provides a technical solution: a radiation terminal heat transfer rate comparison test device, comprising a mounting base plate 11, a circulation heating device body 1, a circulation heating water injection port 2, a DC24V direct current power supply 3, a communication module body 4, a first test block 5 and a second test block 6, the circulation heating device body 1 is fixedly mounted on one side of the mounting base plate 11, a circulation heating water injection port 2 is provided on one side of the circulation heating device body 1, a DC24V direct current power supply 3 is fixedly mounted on one side of the mounting base plate 11, the DC24V direct current power supply 3 is a constant current, and its size and direction will not change, a communication module body 4 is fixedly mounted above the DC24V direct current power supply 3, a first test block 5 is fixedly mounted on one side of the mounting base plate 11, a second test block 6 is fixedly mounted on one side of the first test block 5 and located on one side of the mounting base plate 11, the first test block 5 and the second test block 6 are used to test the tensile and ductile properties of the material, and all equipment are mounted on the mounting base plate 11.

[0023] Furthermore, a human-computer interaction screen 7 is fixedly installed between the second test sample block 6 and the first test sample block 5, a power plug 8 is fixedly installed on one side of the DC24V direct power supply 3, and the outer end of the power plug 8 has an insulating pad to prevent electric shock, and a circulating hot water supply pipe 9 is fixedly installed on one side of the circulating heating equipment body 1.

[0024] Furthermore, a circulating hot water return pipe 10 is fixedly installed on one side of the circulating hot water supply pipe 9, and the material of the circulating hot water supply pipe 9 and the circulating hot water return pipe 10 is PE. A first temperature sensor body 12 is fixedly installed inside the first test sample block 5, and a first temperature sensor signal line 20 is fixedly installed at the bottom of the first temperature sensor body 12. The first temperature sensor signal line 20 is electrically connected to the communication module body 4.

[0025] Furthermore, a second temperature sensor body 13 is fixedly installed inside the second test sample block 6. Both the first temperature sensor body 12 and the second temperature sensor body 13 utilize the thermal properties of the material to convert the temperature into an electrical signal output. A second temperature sensor signal line 21 is fixedly installed at the bottom of the second temperature sensor body 13. The second temperature sensor signal line 21 is electrically connected to the communication module body 4. A test device power supply line 14 is fixedly installed on one side of the power plug 8. The other end of the test device power supply line 14 is fixedly installed on the DC24V DC power supply 3 and is fixedly connected.

[0026] Furthermore, a circulating heating equipment live wire 15 is fixedly installed on one side of the DC24V power supply 3, a circulating heating equipment neutral wire 16 is fixedly installed on one side of the circulating heating equipment live wire 15, a circulating heating equipment control wire 17 is fixedly installed on the top of the circulating heating equipment neutral wire 16, and the outer ends of the circulating heating equipment live wire 15, the circulating heating equipment neutral wire 16 and the circulating heating equipment control wire 17 have insulating materials.

[0027] Furthermore, an HMI power supply line 18 is fixedly installed on one side of the DC24V power supply 3. The HMI power supply line 18 connects the distribution substation and each FTU as a node on the bus through a shielded twisted pair cable to form a bus-type local area network. A communication module power supply line 19 is fixedly installed on one side of the HMI power supply line 18, and a module communication line 22 is fixedly installed inside the human-computer interaction screen 7.

[0028] In summary: water can be injected into the circulation heating device body 1 through the circulation heating water injection port 2, the circulation heating device body 1 can store water through electric heating, and circulate it through its own circulation pump, and the heated water is sent to the water inlet of the first test block 5 and the second test block 6 through the circulation hot water supply pipe 9. After the first test block 5 and the second test block 6 exchange heat with the air, the cooled circulating water returns to the circulation heating device body 1 through the circulation hot water return pipe 10, and repeats the above cycle, and is connected to the corresponding socket through the power plug 8, and the electrical equipment of the device is powered by the test device power supply line 14. The DC24V direct current power supply 3 is used to convert AC220V electricity into DV24V electricity, and the power is supplied to the human-computer interaction screen 7 and the communication module body 4 through the HMI power supply line 18 and the communication module power supply line 19 respectively. The circulation heating device body 1 is powered by the circulation heating device live supply line 15 and the circulation heating device zero supply line The circulating heating device is powered by line 16, wherein the circulating heating device supply live line 15 is connected to the corresponding relay port in the communication module body 4, and then indirectly powered by the circulating heating device control line 17. Whether to supply power is determined according to the control logic. The first temperature sensor body 12 and the second temperature sensor body 13 respectively collect the surface temperatures of the first test sample block 5 and the second test sample block 6, and transmit the analog signals to the communication module body 4 through the first temperature sensor signal line 20 and the second temperature sensor signal line 21 respectively. After the digital-to-analog conversion, the communication module body 4 transmits the surface temperature values ​​of the two samples to its upper computer human-computer interaction screen 7 through the module communication line 22. The human-computer interaction screen 7 is used to realize the human-computer interaction function of the present device, including displaying the real-time surface temperature and historical temperature curve of the two test samples, receiving the command of the switch circulating heating device body 1, and converting the command into a digital signal and sending it to the communication module body 4 through the module communication line 22.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A radiation terminal heat transfer rate comparison test device, characterized in that: The invention comprises a mounting base plate (11), a circulating heating device body (1), a circulating heating water injection port (2), a DC24V direct current power supply (3), a communication module body (4), a first test sample block (5) and a second test sample block (6); the circulating heating device body (1) is fixedly mounted on one side of the mounting base plate (11); a circulating heating water injection port (2) is provided on one side of the circulating heating device body (1); the DC24V direct current power supply (3) is fixedly mounted on one side of the mounting base plate (11); a communication module body (4) is fixedly mounted above the DC24V direct current power supply (3); the first test sample block (5) is fixedly mounted on one side of the mounting base plate (11); and the second test sample block (6) is fixedly mounted on one side of the first test sample block (5) and on one side of the mounting base plate (11).

2. A radiation terminal heat transfer rate comparison test device according to claim 1, characterized in that: A human-machine interaction screen (7) is fixedly installed between the second test sample block (6) and the first test sample block (5), a power plug (8) is fixedly installed on one side of the DC24V direct current power supply (3), and a circulating hot water supply pipe (9) is fixedly installed on one side of the circulating heating device body (1).

3. A radiation terminal heat transfer rate comparison test device according to claim 2, characterized in that: A circulating hot water return pipe (10) is fixedly installed on one side of the circulating hot water supply pipe (9), a first temperature sensor body (12) is fixedly installed inside the first test sample block (5), a first temperature sensor signal line (20) is fixedly installed at the bottom of the first temperature sensor body (12), and the first temperature sensor signal line (20) is electrically connected to the communication module body (4).

4. The radiation terminal heat transfer rate comparison test device according to claim 2, characterized in that: A second temperature sensor body (13) is fixedly installed inside the second test sample block (6), a second temperature sensor signal line (21) is fixedly installed at the bottom of the second temperature sensor body (13), the second temperature sensor signal line (21) is electrically connected to the communication module body (4), a test device power supply line (14) is fixedly installed on one side of the power plug (8), and the other end of the test device power supply line (14) is fixedly installed on the DC24V direct current power supply (3).

5. The radiation terminal heat transfer rate comparison test device according to claim 1, characterized in that: A circulating heating device live wire (15) is fixedly mounted on one side of the DC24V direct current power supply (3), a circulating heating device neutral wire (16) is fixedly mounted on one side of the circulating heating device live wire (15), and a circulating heating device control wire (17) is fixedly mounted on the top of the circulating heating device neutral wire (16).

6. The radiation terminal heat transfer rate comparison test device according to claim 2, characterized in that: An HMI power supply line (18) is fixedly installed on one side of the DC24V direct current power supply (3), a communication module power supply line (19) is fixedly installed on one side of the HMI power supply line (18), and a module communication line (22) is fixedly installed inside the human-machine interaction screen (7).

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