Air pressure test equipment for heat exchanger

Abstract

The utility model discloses heat exchanger air pressure test equipment which comprises a base and an air bottle, a water tank is arranged at the upper end of the base, a supporting seat is arranged at the bottom in the water tank, two clamps are connected to the upper surface of the supporting seat in a sliding mode, and heat exchanger bodies are arranged on the side walls of the two clamps. The two ends of the heat exchanger body communicate with an air inlet pipe and an air outlet pipe correspondingly, and the other ends of the air inlet pipe and the air outlet pipe communicate with an air bottle. By means of the structure, the heat exchanger can be conveniently clamped and fixed through the clamp, gas can be conveniently inflated into the heat exchanger body through a gas cylinder, detection is convenient, and the accuracy of detection data can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental equipment, in particular to a heat exchanger air pressure test device. Background Art

[0002] With the development of science and technology, air-water coolers will become the mainstream of cooler types in the future. At the same time, the heat exchanger manufacturing industry will continue to maintain rapid growth, and the demand for heat exchangers will increase. The air pressure verification equipment of heat exchangers is widely used for air pressure verification of heat exchangers in air-water coolers. The traditional air pressure verification method of heat exchangers is that the operator brushes bubbling water at the air pressure inlet and outlet through visual inspection. The visual method cannot ensure the accuracy of the air pressure test results of the heat exchanger, which is easy to affect the final verification results of the air pressure of the heat exchanger, and there are safety hazards in subsequent use. Utility Model Content

[0003] The purpose of the utility model is to provide a heat exchanger air pressure test device. The traditional heat exchanger air pressure verification method is that the operator visually brushes bubbling water at the air pressure inlet and outlet. The visual method cannot ensure the accuracy of the heat exchanger air pressure test result, easily affects the final verification result of the heat exchanger air pressure, and there are safety hazards in subsequent use.

[0004] To achieve the above object, a heat exchanger pressure test device is provided, comprising: a base and a gas cylinder, a water tank is arranged on the upper end of the base, a support seat is arranged at the bottom of the water tank, two clamps are slidably connected to the upper surface of the support seat, and the side walls of the two clamps are provided with a heat exchanger body;

[0005] The two ends of the heat exchanger body are respectively connected with an air inlet pipe and an air outlet pipe, and the other ends of the air inlet pipe and the air outlet pipe are both connected with the gas cylinder.

[0006] According to the heat exchanger air pressure test equipment, the air inlet pipe and the air outlet pipe are respectively provided with a first valve and a second valve, the first valve and the second valve are both one-way valves, and a pressure gauge is provided outside the air inlet pipe.

[0007] According to the heat exchanger air pressure test equipment, two threaded rods are rotatably connected to the middle of the support seat, and threaded blocks are threadedly connected to the outside of the two threaded rods, and the side walls of the threaded blocks are fixedly connected to the side walls of the fixture.

[0008] According to the heat exchanger air pressure test equipment, a first bevel gear is disposed at one end of each of the two threaded rods, a servo motor is disposed on the side wall of the water tank, and a second bevel gear is disposed at the output end of the servo motor.

[0009] According to the heat exchanger air pressure test equipment, a transparent plate is installed on the upper surface of the water tank, and the upper end of the water tank is connected to an exhaust pipe.

[0010] The above scheme has the beneficial effect: the utility model utilizes two clamps to cooperate with each other to clamp the heat exchanger body, so that the heat exchanger body is fixed inside the water tank, which is convenient for air pressure detection of the heat exchanger, and the air inlet pipe and the air outlet pipe are coordinated to be connected with the gas cylinder, and gas is filled into the interior of the heat exchanger to observe whether bubbles are generated on the water surface, thereby ensuring the accuracy of the detection data.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0013] Figure 1 This is a three-dimensional diagram of a heat exchanger air pressure test device of the utility model;

[0014] Figure 2 This is a cross-sectional view of a heat exchanger air pressure test device of the utility model;

[0015] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0016] Legend:

[0017] 1. Base; 2. Water tank; 3. Gas cylinder; 4. Transparent plate; 5. Heat exchanger body; 6. First valve; 7. Pressure gauge; 8. Inlet pipe; 9. Exhaust pipe; 10. Clamp; 11. Second valve; 12. Exhaust pipe; 13. Threaded rod; 14. Threaded block; 15. Support seat; 16. Servo motor; 17. First bevel gear; 18. Second bevel gear. DETAILED DESCRIPTION

[0018] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0019] Reference Figure 1-3 The utility model embodiment is a heat exchanger pressure test equipment, which includes: a base 1 and a gas cylinder 3, a water tank 2 is arranged on the upper end of the base 1, a support seat 15 is arranged at the bottom of the water tank 2, and two clamps 10 are slidably connected to the upper surface of the support seat 15, which is convenient for clamping and fixing the heat exchanger body 5 to ensure the stability of the heat exchanger body 5, and the side walls of the two clamps 10 are provided with the heat exchanger body 5;

[0020] The two ends of the heat exchanger body 5 are respectively connected with an air inlet pipe 8 and an air outlet pipe 12, which is convenient for filling gas into the heat exchanger body 5, facilitating the detection of the heat exchanger body 5 and ensuring the accuracy of the detection data. The other ends of the air inlet pipe 8 and the air outlet pipe 12 are connected to the gas cylinder 3.

[0021] The air inlet pipe 8 and the air outlet pipe 12 are respectively provided with a first valve 6 and a second valve 11. Both the first valve 6 and the second valve 11 are one-way valves to prevent gas backflow. A pressure gauge 7 is arranged on the outside of the air inlet pipe 8. Two threaded rods 13 are rotatably connected to the middle of the support seat 15. The two threaded rods 13 are threadedly connected to the outside with threaded blocks 14. The side walls of the threaded blocks 14 are fixedly connected to the side walls of the clamp 10. One ends of the two threaded rods 13 are provided with a first bevel gear 17, and the first bevel gear 17 and the second bevel gear 18 are meshed with each other. A servo motor 16 is arranged on the side wall of the water tank 2, and a second bevel gear 18 is arranged at the output end of the servo motor 16. A transparent plate 4 is installed on the upper surface of the water tank 2 to facilitate observation of whether there are bubbles on the water surface. The upper end of the water tank 2 is connected with an exhaust pipe 9.

[0022] Working principle: When in use, place the heat exchanger body 5 on the support seat 15, and use the servo motor 16 to drive the first bevel gear 17 and the second bevel gear 18 to rotate, so that the two clamps 10 move toward each other. During the movement, the clamps 10 clamp and fix the heat exchanger body 5, connect the air inlet pipe 8 and the air outlet pipe 12 with the gas cylinder 3, and fill the interior of the heat exchanger body 5 with gas. If the heat exchanger body 5 has pores, bubbles will appear on the water surface, which is convenient during detection and can ensure the accuracy of the detection data.

[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A heat exchanger air pressure test equipment, comprising: A base (1) and a gas cylinder (3), characterized in that a water tank (2) is provided at the upper end of the base (1), a support seat (15) is provided at the bottom of the water tank (2), two clamps (10) are slidably connected to the upper surface of the support seat (15), and a heat exchanger body (5) is provided on the side walls of the two clamps (10); The two ends of the heat exchanger body (5) are respectively connected to an air inlet pipe (8) and an air outlet pipe (12), and the other ends of the air inlet pipe (8) and the air outlet pipe (12) are both connected to the gas cylinder (3).

2. A heat exchanger air pressure test equipment according to claim 1, characterized in that: The air inlet pipe (8) and the air outlet pipe (12) are respectively provided with a first valve (6) and a second valve (11), the first valve (6) and the second valve (11) are both one-way valves, and a pressure gauge (7) is provided outside the air inlet pipe (8).

3. The heat exchanger air pressure test equipment according to claim 1, characterized in that: The middle part of the support seat (15) is rotatably connected to two threaded rods (13), the exteriors of the two threaded rods (13) are both threadedly connected to threaded blocks (14), and the side walls of the threaded blocks (14) are fixedly connected to the side walls of the clamp (10).

4. A heat exchanger air pressure test equipment according to claim 3, characterized in that: A first bevel gear (17) is provided at one end of each of the two threaded rods (13); a servo motor (16) is provided on the side wall of the water tank (2); and a second bevel gear (18) is provided at the output end of the servo motor (16).

5. The heat exchanger air pressure test equipment according to claim 1, characterized in that: A transparent plate (4) is installed on the upper surface of the water tank (2), and an exhaust pipe (9) is connected to the upper end of the water tank (2).

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