Soil heat exchange capacity monitoring device for ground source heat pump system

Abstract

The utility model relates to the technical field of ground source heat pumps, in particular to a soil heat exchange capacity monitoring device for a ground source heat pump system, which comprises a base plate, the top of the base plate is connected with a mounting vertical plate through bolts, and the front side and the rear side of an inner cavity of the mounting vertical plate are fixedly connected with a water conveying pipeline in a penetrating manner. Pipe joints are fixedly connected to the front side and the rear side of the water conveying pipeline, and a temperature sensor, an electromagnetic flow sensor and a pressure sensor are fixedly connected to the surface of the water conveying pipeline. Through cooperative use of the protection frame, the monitoring instrument, the positioning mechanism, the temperature sensor, the electromagnetic flow sensor and the pressure sensor, the protection device has the advantage of better protection effect, the monitoring instrument is arranged in the protection frame and can be more comprehensively protected, meanwhile, the monitoring instrument does not need to be held by a person for operation, the working intensity is relieved, and the working efficiency is improved. And by arranging the positioning mechanism, the monitoring instrument can be conveniently disassembled and assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of ground source heat pumps, in particular to a soil heat exchange capacity monitoring device for a ground source heat pump system. Background Art

[0002] Ground source heat pump generally refers to geothermal heat pump system, which uses ground source energy as cooling source for heat pump in summer and low temperature heat source for heating in winter. It is also a system to realize heating, cooling and domestic hot water, which is used to replace the traditional mode of using refrigerators and boilers for air conditioning, heating and heating.

[0003] During the normal operation of the ground source heat pump system, special instruments are needed to monitor the soil heat exchange capacity. Currently, most monitoring instruments are handheld and exposed to the outside world, which cannot provide more comprehensive protection for the monitoring instruments. Long-term handholding by personnel also increases the workload. At the same time, the lack of moisture-proof function makes the monitoring instruments prone to malfunction when working in a humid environment. In order to solve the above technical problems, we have designed a soil heat exchange capacity monitoring device for ground source heat pump systems. Utility Model Content

[0004] The purpose of the utility model is to provide a soil heat exchange capacity monitoring device for a ground source heat pump system, which has the advantages of more comprehensive protection of monitoring instruments, reduced workload of personnel, moisture-proof function, and avoiding malfunctions caused by moisture inside the instrument. It solves the problem that the protection effect of the monitoring instrument is poor, the workload of personnel is increased, and the lack of moisture-proof function leads to malfunctions caused by moisture inside the instrument.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soil heat exchange capacity monitoring device for a ground source heat pump system, comprising a base plate, the top of the base plate is connected to a mounting vertical plate by bolts, a water pipeline is fixedly connected through the front and rear sides of the inner cavity of the mounting vertical plate, the front and rear sides of the water pipeline are fixedly connected to pipe joints, the surface of the water pipeline is respectively fixedly connected to a temperature sensor, an electromagnetic flow sensor and a pressure sensor, a connector is fixedly connected through the left side of the inner cavity of the mounting vertical plate by bolts, the front and rear sides of the left side of the mounting vertical plate are fixedly connected to positioning mechanisms, a monitoring instrument is fixedly connected between the front and rear positioning mechanisms, a protective frame is fixedly connected to the left side of the mounting vertical plate, and a moisture absorption box cover is hinged on the left side of the protective frame.

[0006] Preferably, the monitoring instrument includes an installation base shell, the inner cavity of which is fixedly sleeved with an instrument body, the four corners of the installation base shell are fixedly connected with plug boards, and plug slots are provided on opposite sides of the upper and lower plug boards, and a connecting wire is fixedly connected through the top of the instrument body, and the connecting wire is electrically connected to the connector on the side away from the instrument body.

[0007] Preferably, the positioning mechanism includes a positioning shell, and plug-in openings are provided on the upper and lower sides of the left side of the positioning shell, and connecting push plates are slidably connected to the upper and lower sides of the inner cavity of the positioning shell, and a positioning spring is fixedly connected between the upper and lower connecting push plates, and a positioning plug plate is fixedly connected to the side of the connecting push plate away from the positioning spring, and the side of the positioning plug plate away from the connecting push plate passes through the inner cavity of the plug-in opening and is chamfered.

[0008] Preferably, sliding openings are provided on both upper and lower sides of the left side of the inner cavity of the positioning shell, and the left side of the connecting push plate passes through to the outside of the sliding opening.

[0009] Preferably, the moisture absorption box cover includes a cover body, a storage shell is passed through and fixedly connected to the left side of the cover body, a ventilation mesh is passed through and fixedly connected to the right side of the storage shell, silica gel desiccant is placed in the inner cavity of the storage shell, and a sealing plate is connected to the left side of the storage shell by bolts.

[0010] Preferably, the output wires of the temperature sensor, electromagnetic flow sensor and pressure sensor are all electrically connected to the connector, and positioning holes are provided at the four corners of the top of the base plate.

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

[0012] 1. The utility model has the advantage of better protection effect through the coordinated use of a protective frame, a monitoring instrument, a positioning mechanism, a temperature sensor, an electromagnetic flow sensor and a pressure sensor. By arranging the monitoring instrument inside the protective frame, it can be more comprehensively protected. At the same time, it does not require manual operation by personnel, which reduces the workload. The positioning mechanism is provided to facilitate the disassembly and assembly of the monitoring instrument.

[0013] 2. The utility model has the advantage of moisture absorption through the coordinated use of the ventilation mesh plate, the storage shell, the silica gel desiccant and the cover body. The silica gel desiccant can absorb the humid air in the protective frame to ensure that the monitoring instrument is in a dry space and avoid malfunction of internal parts due to moisture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric drawing of the structure of the utility model;

[0015] Figure 2This is an internal axonometric diagram of the protective frame of the utility model;

[0016] Figure 3 It is a left axonometric view of the wiring connector and the positioning mechanism of the utility model;

[0017] Figure 4 For this utility model Figure 3 A magnified view of middle;

[0018] Figure 5 It is an axonometric diagram of the monitoring instrument of the utility model;

[0019] Figure 6 A right axonometric view of the utility model with the vertical plate installed;

[0020] Figure 7 It is a left axonometric view of the moisture absorption box cover of the utility model.

[0021] In the figure: 1. base plate; 2. pipe joint; 3. installation riser; 4. protection frame; 5. moisture absorption box cover; 6. monitoring instrument; 7. positioning mechanism; 8. connector; 9. positioning plug plate; 10. positioning spring; 11. positioning shell; 12. connecting push plate; 13. plug opening; 14. connecting wire; 15. instrument body; 16. plug slot; 17. plug plate; 18. installation bottom shell; 19. temperature sensor; 20. water supply pipeline; 21. ventilation mesh plate; 22. storage shell; 23. silica gel desiccant; 24. cover body; 25. electromagnetic flow sensor; 26. pressure sensor. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 7 , a soil heat exchange capacity monitoring device for a ground source heat pump system, comprising a base plate 1, a mounting vertical plate 3 is connected to the top of the base plate 1 by bolts, a water pipe 20 is fixedly connected to the front and rear sides of the inner cavity of the mounting vertical plate 3, a pipe joint 2 is fixedly connected to the front and rear sides of the water pipe 20, a temperature sensor 19, an electromagnetic flow sensor 25 and a pressure sensor 26 are respectively fixedly connected to the surface of the water pipe 20, a wiring connector 8 is fixedly connected to the left side of the inner cavity of the mounting vertical plate 3 by bolts, a positioning mechanism 7 is fixedly connected to the front and rear sides of the left side of the mounting vertical plate 3, a monitoring instrument 6 is fixedly connected between the front and rear positioning mechanisms 7, a protective frame 4 is fixedly connected to the left side of the mounting vertical plate 3, and a moisture absorption box cover 5 is connected to the left side of the protective frame 4 by a hinge;

[0023] See also Figure 5The monitoring instrument 6 includes a mounting bottom shell 18, the inner cavity of the mounting bottom shell 18 is fixedly sleeved with an instrument body 15, the four corners of the mounting bottom shell 18 are fixedly connected with plug boards 17, and the upper and lower plug boards 17 are provided with plug slots 16 on opposite sides. The top of the instrument body 15 is penetrated and fixedly connected with a connecting wire 14, and the side of the connecting wire 14 away from the instrument body 15 is electrically connected to the connector 8. By setting the mounting bottom shell 18, the instrument body 15 can be conveniently fixedly installed;

[0024] See also Figure 4 The positioning mechanism 7 includes a positioning shell 11, and the upper and lower sides of the left side of the positioning shell 11 are provided with plug-in openings 13. The upper and lower sides of the inner cavity of the positioning shell 11 are slidably connected with connecting push plates 12, and a positioning spring 10 is fixedly connected between the upper and lower connecting push plates 12. The side of the connecting push plate 12 away from the positioning spring 10 is fixedly connected with a positioning plug plate 9. The side of the positioning plug plate 9 away from the connecting push plate 12 passes through the inner cavity of the plug-in opening 13 and is provided with a chamfer. By setting the chamfer, the positioning plug plate 9 can be pushed out during the insertion of the plug plate 17 into the plug-in opening 13, so as to facilitate the positioning of the plug plate 17;

[0025] See also Figure 4 , the upper and lower sides of the left side of the inner cavity of the positioning shell 11 are provided with sliding openings, and the left side of the connecting push plate 12 passes through to the outside of the sliding opening;

[0026] See also Figure 7 The moisture absorption box cover 5 includes a cover plate body 24, a storage shell 22 is fixedly connected to the left side of the cover plate body 24, a ventilation mesh plate 21 is fixedly connected to the right side of the storage shell 22, a silica gel desiccant 23 is placed in the inner cavity of the storage shell 22, and a sealing plate is connected to the left side of the storage shell 22 by bolts. By setting the ventilation mesh plate 21, the ventilation function is provided, and the humid air in the protection frame 4 can be easily adsorbed;

[0027] See also Figure 6 The output wires of the temperature sensor 19 , the electromagnetic flow sensor 25 and the pressure sensor 26 are all electrically connected to the connector 8 , and positioning holes are provided at the four corners of the top of the base plate 1 .

[0028] When in use, the pipe joints 2 on the front and rear sides are respectively connected to the hot water pipes in the external geothermal well and the water pipes flowing to the heat exchange equipment. The geothermal water flows into the water pipe 20 from the front side. The temperature sensor 19, the electromagnetic flow sensor 25 and the pressure sensor 26 on the surface of the water pipe 20 monitor the water flow, water temperature and pipe pressure. The monitored values ​​are transmitted to the instrument body 15 through the connector 8 and the connecting wire 14. The heat absorbed from the soil and the thermal conductivity of the rock and soil are calculated by the instrument body 15 and the values ​​are displayed for personnel to view. The monitoring instrument 6 is installed and fixed inside the protective frame 4, which can fully protect the monitoring instrument 6 and can be operated in the protective frame 4 without the need for manual operation. This has a better protection effect on the monitoring instrument 6 and is more labor-saving. When the monitoring instrument 6 needs to be removed from the protective frame 4 for maintenance, the personnel first connect the connecting wire 14 to the monitoring instrument 6. The wire 14 is unplugged from the connector 8, and then the connection push plates 12 on the front and rear sides are pushed. The connection push plates 12 drive the positioning plug plate 9 to move out of the plug slot 16, so that the personnel can take the monitoring instrument 6 out of the protective frame 4. When installation is required, the plug plates 17 at the four corners are respectively aligned with the plug openings 13 on the front and rear sides, and then pressed hard. When the plug plate 17 is fully inserted into the plug opening 13, the positioning plug plate 9 is inserted into the plug slot 16 to position the plug plate 17 under the action of the positioning spring 10 releasing the elastic force. The monitoring instrument 6 is installed. This makes disassembly and assembly more convenient and quick. By placing a silica gel desiccant 23 in the storage shell 22, after the cover body 24 is closed, the silica gel desiccant 23 can absorb the humid air inside the protective frame 4 to ensure that the air in the protective frame 4 is dry, prevent the components inside the instrument body 15 from getting damp and malfunctioning, and extend the service life.

[0029] In summary: the soil heat exchange capacity monitoring device for the ground source heat pump system, through the coordinated use of the protection frame 4, the monitoring instrument 6, the positioning mechanism 7, the temperature sensor 19, the electromagnetic flow sensor 25, the pressure sensor 26, the ventilation mesh plate 21, the storage shell 22, the silica gel desiccant 23 and the cover body 24, solves the problems of poor protection of the monitoring equipment, increased workload of personnel, lack of moisture-proof function, and causing malfunctions due to moisture inside the instrument.

Claims

1. A soil heat exchange capacity monitoring device for a ground source heat pump system, comprising a base plate (1), characterized in that: The top of the base plate (1) is connected to a mounting vertical plate (3) by bolts, a water pipe (20) is fixedly connected through the front and rear sides of the inner cavity of the mounting vertical plate (3), the front and rear sides of the water pipe (20) are fixedly connected to pipe joints (2), the surface of the water pipe (20) is respectively fixedly connected to a temperature sensor (19), an electromagnetic flow sensor (25) and a pressure sensor (26), the left side of the inner cavity of the mounting vertical plate (3) is fixedly connected to a connector (8) by bolts, the front and rear sides of the left side of the mounting vertical plate (3) are fixedly connected to positioning mechanisms (7), a monitoring instrument (6) is fixedly connected between the front and rear positioning mechanisms (7), the left side of the mounting vertical plate (3) is fixedly connected to a protective frame (4), and the left side of the protective frame (4) is connected to a moisture absorption box cover (5) by a hinge.

2. The soil heat exchange capacity monitoring device for a ground source heat pump system according to claim 1, characterized in that: The monitoring instrument (6) comprises a mounting base shell (18), the inner cavity of which is fixedly sleeved with an instrument body (15), the four corners of which are fixedly connected with plug boards (17), the upper and lower plug boards (17) being provided with plug slots (16) on opposite sides, the top of which is penetrated and fixedly connected with a connecting wire (14), and the connecting wire (14) is electrically connected to the connector (8) on the side away from the instrument body (15).

3. The soil heat exchange capacity monitoring device for a ground source heat pump system according to claim 1, characterized in that: The positioning mechanism (7) comprises a positioning shell (11), the upper and lower sides of the left side of the positioning shell (11) are provided with plug-in openings (13), the upper and lower sides of the inner cavity of the positioning shell (11) are slidably connected with connecting push plates (12), a positioning spring (10) is fixedly connected between the upper and lower connecting push plates (12), a side of the connecting push plate (12) away from the positioning spring (10) is fixedly connected with a positioning plug plate (9), and a side of the positioning plug plate (9) away from the connecting push plate (12) passes through the inner cavity of the plug-in opening (13) and is provided with a chamfer.

4. The soil heat exchange capacity monitoring device for a ground source heat pump system according to claim 3, characterized in that: Sliding openings are provided on both upper and lower sides of the left side of the inner cavity of the positioning shell (11), and the left side of the connecting push plate (12) penetrates to the outside of the sliding opening.

5. The soil heat exchange capacity monitoring device for a ground source heat pump system according to claim 1, characterized in that: The moisture absorption box cover (5) comprises a cover body (24), a storage shell (22) is passed through and fixedly connected to the left side of the cover body (24), a ventilation mesh plate (21) is passed through and fixedly connected to the right side of the storage shell (22), a silica gel desiccant (23) is placed in the inner cavity of the storage shell (22), and a sealing plate is connected to the left side of the storage shell (22) via bolts.

6. The soil heat exchange capacity monitoring device for a ground source heat pump system according to claim 1, characterized in that: The output wires of the temperature sensor (19), the electromagnetic flow sensor (25) and the pressure sensor (26) are all electrically connected to the connector (8), and positioning holes are provided at the four corners of the top of the base plate (1).

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