Testing device for measuring influence of inlet and outlet positions of heat exchanger on heat exchange performance
By installing solenoid valves at the inlet and outlet of the heat exchanger and controlling them with a controller, the problems of inaccurate test results and high cost in the study of the influence of the inlet and outlet positions of the heat exchanger in the prior art are solved, and efficient and accurate testing of multiple inlet and outlet positions is achieved.
Patent Information
- Application Number
- CN202423300314.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing technologies, when studying the impact of heat exchanger inlet and outlet positions on refrigerant, require multiple heat exchanger samples, which makes test results susceptible to manufacturing differences, increases test cycles and costs, and makes it difficult to switch inlet and outlet positions efficiently and accurately.
Design a test device that uses solenoid valves installed at the inlet and outlet of a heat exchanger and a controller to control the opening and closing of the solenoid valves to achieve rapid switching of the refrigerant circuit, reduce equipment downtime, and improve test efficiency and accuracy.
This allows for the rapid and accurate investigation of the impact of multiple inlet and outlet locations on heat exchange performance in a single installation, reducing the testing cycle and cost, and improving the efficiency and accuracy of the test.
Smart Images
Figure CN223637127U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchanger test technical field more specifically, relate to a kind of test device for determining the influence of heat exchanger inlet and outlet position on heat exchange performance. BACKGROUND
[0002] Heat exchanger is the equipment that transfers part of heat of hot fluid to cold fluid, also called heat exchanger. Heat exchanger plays an important role in chemical industry, petroleum, power, food and other many industrial production, and it can be used as heater, cooler, condenser, evaporator and reboiler in chemical production, and is widely used.
[0003] According to current design cognition, refrigerant will be affected by inlet and outlet position when flowing in heat exchanger, and different inlet and outlet position has great influence on refrigerant. In prior art, when studying the influence of inlet and outlet position on refrigerant, multiple heat exchanger samples are generally made, and inlet and outlet position of each heat exchanger is different or inlet position is same and outlet position is different, or vice versa. However, multiple heat exchangers will cause test results to be easily affected by manufacturing differences of heat exchanger, and each time test equipment is restarted, test bench is affected. At the same time, test cycle and cost are greatly increased due to multiple inlet and outlet combinations. Therefore, the utility model designs a test device for determining the influence of heat exchanger inlet and outlet position on heat exchange performance to solve the above problems. UTILITY MODEL CONTENT
[0004] 1. Technical problem to be solved
[0005] The utility model aims to provide a kind of test device for determining the influence of heat exchanger inlet and outlet position on heat exchange performance to solve the problems proposed in the above background.
[0006] 2. Technical scheme
[0007] A kind of test device for determining the influence of heat exchanger inlet and outlet position on heat exchange performance, including heat exchanger, the outside of heat exchanger is respectively fixedly connected with inlet flange and outlet flange, the outside of inlet flange and outlet flange is fixedly connected with connecting pipe, the outside of two connecting pipes is fixedly connected with electromagnetic valve.
[0008] Preferably, one end of one connecting pipe away from heat exchanger is fixedly connected with connecting piece one, and the other end of the other connecting pipe away from heat exchanger is fixedly connected with connecting piece two, so that the device can be connected to the inlet and outlet of the equipment through connecting piece one and connecting piece two, thereby improving the practicality of the device.
[0009] Preferably, the outer side of the two connecting pipes is fixedly connected with a measuring device, so that the device can detect the refrigerant through the measuring device, so that the device can facilitate the refrigerant to be affected by the inlet and outlet positions.
[0010] Preferably, the lower side of the heat exchanger is fixedly connected with a bottom plate, so that the device can improve the stability, thereby further improving the practicality of the device.
[0011] Preferably, the outer side of the bottom plate is fixedly connected with a controller, and the controller is connected with the electromagnetic valve, so that the device can control the electromagnetic valve through the controller, thereby improving the convenience of the device.
[0012] 3. Beneficial effects
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. In the utility model, a plurality of parallel paths are added between the equipment and the heat exchanger inlet, on-off electromagnetic valves are installed on each parallel branch, the on-off of the electromagnetic valves of each branch is realized to realize the quick switching of the heat exchanger inlet and outlet without stopping the equipment of the refrigerant circuit. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model; Figure 1 It is an enlarged view of structure A in the utility model.
[0017] Label explanation in the figure: 1, heat exchanger; 2, inlet flange; 3, outlet flange; 4, connecting pipe; 5, electromagnetic valve; 6, connecting piece one; 7, connecting piece two; 8, measuring device; 9, bottom plate; 10, controller. DETAILED DESCRIPTION
[0018] Embodiment: please refer to Figures 1-2 A test device for determining the influence of heat exchanger inlet and outlet positions on heat exchange performance, comprising a heat exchanger 1, the outer side of the heat exchanger 1 is fixedly connected with an inlet flange 2 and an outlet flange 3, the outer side of the inlet flange 2 and the outlet flange 3 is fixedly connected with a connecting pipe 4, the outer side of the two connecting pipes 4 is fixedly connected with an electromagnetic valve 5.
[0019] One end of the connecting pipe 4 away from the heat exchanger 1 is fixedly connected with the connecting piece one 6, and the other end of the connecting pipe 4 away from the heat exchanger 1 is fixedly connected with the connecting piece two 7, so that the device can be connected with the inlet and outlet of the equipment through the connecting piece one 6 and the connecting piece two 7, thereby improving the practicality of the device.
[0020] The outer side of the two connecting pipes 4 is fixedly connected with the measuring device 8, so that the device can detect the refrigerant through the measuring device 8, thereby making the device convenient to study the influence of the inlet and outlet position on the refrigerant.
[0021] The bottom plate 9 is fixedly connected below the heat exchanger 1, so that the device can improve the stability, thereby further improving the practicality of the device.
[0022] The outer side of the bottom plate 9 is fixedly connected with the controller 10, and the controller 10 is connected with the electromagnetic valve 5, so that the device can control the electromagnetic valve 5 through the controller 10, thereby improving the convenience of the device.
[0023] The working principle of the utility model is as follows:
[0024] Firstly, the connecting piece one 6 and the connecting piece two 7 are connected with the equipment, when it is needed to study the influence of the inlet and outlet position on the refrigerant, the electromagnetic valve 5 is controlled to work through the controller 10, so that the electromagnetic valve 5 on the two connecting pipes 4 can only work one at a time, so that the inner cavity of the two connecting pipes 4 has only one passage, so as to study the influence of the inlet and outlet position on the refrigerant.
[0025] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A test device for determining the influence of the inlet and outlet positions of a heat exchanger on the heat exchange performance, comprising a heat exchanger (1), characterized in that: The heat exchanger (1) is fixedly connected with an inlet flange (2) and an outlet flange (3) respectively, the outer sides of the inlet flange (2) and the outlet flange (3) are fixedly connected with connecting pipes (4), and the outer sides of the two connecting pipes (4) are fixedly connected with electromagnetic valves (5).
2. The test device for determining the influence of the position of the inlet and outlet of a heat exchanger on the heat exchange performance according to claim 1, characterized in that: One end of one of the connecting pipes (4) away from the heat exchanger (1) is fixedly connected with a connecting piece one (6), and one end of the other connecting pipe (4) away from the heat exchanger (1) is fixedly connected with a connecting piece two (7).
3. The test device for determining the influence of the inlet and outlet positions of a heat exchanger on the heat exchange performance according to claim 1, characterized in that: The outer sides of the two connecting pipes (4) are fixedly connected with measuring devices (8).
4. The test device for determining the influence of the inlet and outlet positions of a heat exchanger on the heat exchange performance according to claim 1, characterized in that: The lower side of the heat exchanger (1) is fixedly connected with a bottom plate (9).
5. The test device for determining the influence of the inlet and outlet positions of a heat exchanger on the heat exchange performance according to claim 4, characterized in that: The outer side of the bottom plate (9) is fixedly connected with a controller (10), and the controller (10) is connected with the electromagnetic valve (5).