Heating and ventilation water leakage detection equipment

Abstract

The utility model relates to the technical field of heating and ventilation detection, in particular to heating and ventilation water leakage detection equipment. According to the technical scheme, the device comprises a moving seat, a water tank and a water pump are installed on the two sides of the upper surface of the moving seat respectively, a color developing agent adding opening is formed in one side of the upper surface of the water tank, the input end of the water pump is connected with a water return three-way valve, and the remaining two ends of the water return three-way valve are connected with a filter and a connecting pipe A respectively; the output end of the water pump is connected with a water supply three-way valve, the other two ends of the water supply three-way valve are connected with a pressure meter and a connecting pipe B respectively, and the tail end of the connecting pipe B is connected to the upper surface of the water tank. When water leakage detection is carried out on the water distribution pipe in a heating and ventilation project, water with a color developing agent is injected into the water distribution pipe, so that a water leakage point can be quickly and accurately found out, and the detection water in the water distribution pipe is recycled after water leakage detection is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of HVAC detection, in particular to a HVAC water leakage detection device. Background Art

[0002] HVAC engineering refers to the control of temperature, humidity, airflow, air cleanliness, etc. in buildings through the design, construction and management of various air conditioning and water treatment equipment and systems. It plays an irreplaceable role in providing people with a comfortable environment and also provides a new way to save energy. In HVAC engineering, the water distribution pipes used need to be tested for water leaks before use to avoid affecting people's normal lives.

[0003] At present, when water distribution pipes in HVAC projects are pressurized by water injection for leak detection, the leak point cannot be found quickly and accurately due to the long pipes and transparent water. Therefore, we propose a HVAC leak detection device. Summary of the Invention

[0004] The purpose of the utility model is to provide a HVAC water leakage detection device, which has the advantages of injecting water with a color developer into the water distribution pipe when leak detection is performed on the water distribution pipe in the HVAC project, so as to quickly and accurately find the leak point, and recycling the detection water in the water distribution pipe after the leak detection is completed. It solves the problem that when the water distribution pipe in the HVAC project is pressurized by water injection for leak detection, the leak point cannot be found quickly and accurately due to the long pipe and transparent water.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a HVAC water leakage detection device, comprising a movable seat, a water tank and a water pump are respectively installed at positions on both sides of the upper surface of the movable seat, a color developer addition port is provided on one side of the upper surface of the water tank, the input end of the water pump is connected to a return water three-way valve, the remaining two ends of the return water three-way valve are respectively connected to a filter and a connecting pipe A, and the end of the connecting pipe A is connected to the outer surface of the water tank, the end of the filter is connected to a return water pipe, the output end of the water pump is connected to a water supply three-way valve, the remaining two ends of the water supply three-way valve are respectively connected to a pressure gauge and a connecting pipe B, and the end of the connecting pipe B is connected to the upper surface of the water tank, the end of the pressure gauge is connected to an air intake three-way valve, and the remaining two ends of the air intake three-way valve are respectively connected to a one-way valve and a water supply pipe.

[0006] Preferably, the ends of the water supply pipe and the return pipe are both connected with connectors, and the water supply pipe and the return pipe are both connected to the water distribution pipe in the HVAC project through the connectors.

[0007] Preferably, a dust filter is installed at the end of the one-way valve, and dust impurities in the air are filtered out by the dust filter before the outside air enters the inside of the one-way valve.

[0008] Preferably, water pipe winding racks are symmetrically installed on the upper surface of the movable seat near the front surface and the rear surface. After the water leakage detection is completed, the water supply pipe and the return pipe can be wound and stored on the water pipe winding rack to facilitate the placement of the water pipes.

[0009] Preferably, locking moving wheels are installed on the lower surface of the moving base near the four corners, and the moving base is moved and fixed by the four locking moving wheels.

[0010] Preferably, a stirring motor is installed in the middle position of the upper surface of the water tank, and a stirring paddle is connected to the end of the output shaft of the stirring motor. The stirring paddle is located inside the water tank, and the stirring motor drives the stirring paddle to rotate so that the color developer is evenly dispersed in the water inside the water tank.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model is provided with a movable seat, a water tank, a color developer adding port, a water pump, a water supply three-way valve, a pressure gauge, an air inlet three-way valve, a one-way valve, a water supply pipe, a return water three-way valve, a return pipe, a connecting pipe A and a connecting pipe B. When leak detection is performed on the water distribution pipe in the HVAC project, water with a color developer is injected into the water distribution pipe to facilitate rapid and accurate detection of the leak point, and after the leak detection is completed, the detection water in the water distribution pipe is recycled. The movable seat moves to the detection point, the ends of the water supply pipe and the return pipe are respectively connected to the water inlet and outlet ends in the water distribution pipe of the HVAC project, the color developer is put into the water tank through the color developer adding port to make the transparent water have a conspicuous color, and the water pump works After the operation, the water inside the water tank enters the water distribution pipe through the connecting pipe A, the return water three-way valve, the water supply three-way valve, the pressure gauge, the air intake three-way valve and the water supply pipe in turn. The water injection pressure of the water distribution pipe is observed by the pressure gauge. When there is a leak in the water distribution pipe, the water with the color developer will flow out from the leak point, and the leak point can be found quickly and accurately. After the leakage detection is completed, adjust the water supply three-way valve, the air intake three-way valve and the return water three-way valve so that the connecting pipe B is connected to the output end of the water pump, the one-way valve is connected to the water supply pipe, and the return pipe is connected to the input end of the water pump. Then the outside air enters the water supply pipe from the one-way valve, and the water with the color developer in the water distribution pipe passes through the filter to remove impurities in the water and then flows back to the water tank through the water pump and the connecting pipe B.

[0013] 2. The present invention is provided with a stirring motor and a stirring paddle, which can drive the stirring paddle to rotate through the stirring motor, so that the color developer is evenly dispersed into the water inside the water tank.

[0014] 3. The utility model provides a water pipe winding rack. After the water leakage detection is completed, the water supply pipe and the return pipe can be wound and stored on the water pipe winding rack, which is convenient for the placement of the water pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the partial three-dimensional structure of the water supply pipe of the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the partial main cross-sectional structure of the water tank of the utility model.

[0019] Figure numerals: 1. movable seat; 2. water pipe winding rack; 3. water pump; 4. water supply pipe; 5. connector; 6. return pipe; 7. filter; 8. return water three-way valve; 9. connecting pipe A; 10. water tank; 11. developer addition port; 12. locking movable wheel; 13. dust filter; 14. connecting pipe B; 15. water supply three-way valve; 16. pressure gauge; 17. one-way valve; 18. air intake three-way valve; 19. stirring motor; 20. stirring paddle. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments. Example

[0021] like Figure 1-Figure 3 As shown, the utility model proposes a HVAC water leakage detection device, including a movable base 1, the lower surface of the movable base 1 is provided with locking movable wheels 12 near the four corners, the movable base 1 is moved and fixed by the four locking movable wheels 12, and a water tank 10 and a water pump 3 are respectively installed on both sides of the upper surface of the movable base 1, and a color developer adding port 11 is provided on one side of the upper surface of the water tank 10. The color developer is added to the inside of the water tank 10 through the color developer adding port 11, so that the water inside the water tank 10 has a conspicuous color, and water can be added to the water tank 10 through the color developer adding port 11.

[0022] The input end of the water pump 3 is connected to the return water three-way valve 8, and the remaining two ends of the return water three-way valve 8 are respectively connected to the filter 7 and the connecting pipe A9, and the end of the connecting pipe A9 is connected to the outer surface of the water tank 10, the end of the filter 7 is connected to the return water pipe 6, the output end of the water pump 3 is connected to the water supply three-way valve 15, the remaining two ends of the water supply three-way valve 15 are respectively connected to the pressure gauge 16 and the connecting pipe B14, and the end of the connecting pipe B14 is connected to the upper surface of the water tank 10, the end of the pressure gauge 16 is connected to the air intake three-way valve 18, and the remaining two ends of the air intake three-way valve 18 are respectively connected to the one-way valve 17 and the water supply pipe 4, the ends of the water supply pipe 4 and the return water pipe 6 are both connected to the connector 5, and the water supply pipe 4 and the return water pipe 6 are both connected to the water distribution pipe in the HVAC project through the connector 5. A dust filter 13 is installed at the end of the one-way valve 17. Before the outside air enters the one-way valve 17, the dust impurities in the air are filtered out by the dust filter 13.

[0023] When the utility model is in use, the mobile seat 1 moves to the detection point, the ends of the water supply pipe 4 and the return pipe 6 are respectively connected to the water inlet and outlet ends of the HVAC engineering water distribution pipeline, and the color developer is put into the water tank 10 through the color developer addition port 11 to make the transparent water have a conspicuous color. After the water pump 3 works, the water inside the water tank 10 passes through the connecting pipe A9, the return water three-way valve 8, the water supply three-way valve 15, the pressure gauge 16, the air intake three-way valve 18 and the water supply pipe 4 in sequence and enters the water distribution pipe. The water injection pressure of the water distribution pipe is observed by the pressure gauge 16, and when the water distribution pipe When there is a leak, the water with the color developer will flow out from the leak, so the leak can be found quickly and accurately. After the leak detection is completed, adjust the water supply three-way valve 15, the air intake three-way valve 18 and the return water three-way valve 8 so that the connecting pipe B14 is connected to the output end of the water pump 3, the one-way valve 17 is connected to the water supply pipe 4, and the return water pipe 6 is connected to the input end of the water pump 3. Then, the outside air enters the water supply pipe 4 from the one-way valve 17, and the water with the color developer in the water distribution pipe passes through the filter 7 to remove impurities in the water and then flows back to the water tank 10 through the water pump 3 and the connecting pipe B14. Example

[0024] like Figure 1 、 Figure 3 and Figure 4 As shown, the utility model proposes a HVAC water leakage detection device. Compared with the first embodiment, this embodiment also includes a water pipe winding rack 2 symmetrically installed on the upper surface of the movable seat 1 near the front surface and the rear surface. After the water leakage detection is completed, the water supply pipe 4 and the return pipe 6 can be wound and stored on the water pipe winding rack 2 to facilitate the placement of the water pipes. A stirring motor 19 is installed in the middle position of the upper surface of the water tank 10, and a stirring paddle 20 is connected to the end of the output shaft of the stirring motor 19, and the stirring paddle 20 is located inside the water tank 10.

[0025] In this embodiment, the stirring motor 19 drives the stirring paddle 20 to rotate, so that the developer is evenly dispersed into the water inside the water tank 10 .

[0026] The above specific embodiments are only several preferred embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A HVAC water leakage detection device, comprising a mobile seat (1), characterized in that: A water tank (10) and a water pump (3) are respectively installed at positions on both sides of the upper surface of the movable seat (1). A developer addition port (11) is provided on one side of the upper surface of the water tank (10). The input end of the water pump (3) is connected to a return water three-way valve (8). The remaining two ends of the return water three-way valve (8) are respectively connected to a filter (7) and a connecting pipe A (9), and the end of the connecting pipe A (9) is connected to the outer surface of the water tank (10). The end of the filter (7) is connected to a return water pipe (6). The output end of the water pump (3) is connected to a water supply three-way valve (15). The remaining two ends of the water supply three-way valve (15) are respectively connected to a pressure gauge (16) and a connecting pipe B (14), and the end of the connecting pipe B (14) is connected to the upper surface of the water tank (10). The end of the pressure gauge (16) is connected to an air intake three-way valve (18), and the remaining two ends of the air intake three-way valve (18) are respectively connected to a one-way valve (17) and a water supply pipe (4).

2. The HVAC water leakage detection device according to claim 1, characterized in that: The ends of the water supply pipe (4) and the water return pipe (6) are both connected to connectors (5).

3. The HVAC water leakage detection device according to claim 1, characterized in that: A dust filter (13) is installed at the end of the one-way valve (17).

4. The HVAC water leakage detection device according to claim 1, characterized in that: Water pipe winding racks (2) are symmetrically mounted on the upper surface of the movable seat (1) near the front surface and the rear surface.

5. The HVAC water leakage detection device according to claim 1, characterized in that: Locking moving wheels (12) are installed near the four corners of the lower surface of the moving seat (1).

6. The HVAC water leakage detection device according to claim 1, characterized in that: A stirring motor (19) is installed at a middle position on the upper surface of the water tank (10), and a stirring paddle (20) is connected to the end of the output shaft of the stirring motor (19), and the stirring paddle (20) is located inside the water tank (10).

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