CN220229628U

CN220229628U - Self-adaptive heat balance control device of ground source heat pump

Info

Publication number: CN220229628U
Application number: CN202321695567.6U
Authority: CN
Inventors: 李朋; 李�瑞; 李闯
Original assignee: Noveland Machine Project Technology Co ltd
Current assignee: Noveland Machine Project Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-22
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a self-adaptive heat balance control device of a ground source heat pump, and relates to the technical field of ground source heat pump pipelines. The utility model comprises a main pipe, wherein an access pipe is arranged on one side of the main pipe, a control valve is arranged on one side of the main pipe away from the access pipe, an output pipe is arranged on one side of the control valve away from the main pipe, a shunt pipe is arranged between the output pipe and the main pipe, a shunt valve is arranged on the outer side of the shunt pipe, the control valve comprises a valve clack and a liquid inlet cavity, a conical opening is arranged on the bottom surface of the liquid inlet cavity, the peripheral side surface of the valve clack is matched with the conical opening, and a sealing ring is arranged on the top of the liquid inlet cavity. According to the utility model, the shunt tube with the shunt valve is arranged between the main tube and the output tube, so that the shunt tube is used for supporting a pipeline and adapting to the shunt of temperature regulation requirements, the strength of the pipeline is improved, the flow supply pressure is relieved, and meanwhile, the sealing ring and the liquid inlet cavity of the conical port are arranged to improve the tightness of the pipeline, so that the stability of the device is improved.

Description

Self-adaptive heat balance control device of ground source heat pump

Technical Field

The utility model belongs to the technical field of ground source heat pump pipelines, and particularly relates to a self-adaptive heat balance control device of a ground source heat pump.

Background

Along with the continuous improvement of the living standard of people in China, the energy consumption of the air conditioner is larger and larger in proportion in the energy structure, and the energy conservation of the air conditioner is increasingly important. In a conventional heat supply and air conditioning system, most of energy sources are industrial electricity, on the other hand, a ground source heat pump can absorb heat from a low-temperature environment and release heat to a high-temperature environment, so that with the maturity of a heat pump technology, the heat pump technology is utilized to provide a cold source and a heat source for a central air conditioner, and the heat pump technology becomes an energy-saving and environment-friendly technology with wide application prospect; the ground source heat pump is also called as a soil source heat pump, the main body is composed of a pipeline containing antifreeze water solution, the pipeline is pre-buried under the soil with the depth of 50-100 meters, and the water solution in the plastic pipe is used for carrying out heat exchange with a relatively constant heat source in a deep soil layer, so that the process is environment-friendly and has lower energy consumption.

The utility model discloses a self-adaptation heat balance control device of ground source heat pump among the patent specification of publication number CN210569362U, including balanced control box, support column, movable wheel, adsorption block, installation through-hole, multi-functional detection control plate structure, the protection frame structure is observed in the amplification, balanced regulation pump structure of adjustable connection, control host computer, touch-control display screen, L type fixed couple, antiskid cover, remove the grab handle, control mainboard and expelling parasite box, the support column respectively bolted connection in the lower surface four corners position of balanced control box.

The technical scheme has the following defects: firstly, because the buried depth of the pipeline of the ground source heat pump is large, the pipeline needs to convey a large amount of water solution to the ground, and when the heat exchange demand is large, the circulating liquid in the pipeline flows at a high speed, so the demand of the pipeline on the bearing capacity is large, and the device does not provide a corresponding bearing structure; secondly, when the pressure is too big, when the pipeline sealing capability is not enough, the condition that various interfaces and valve switches leak circulating fluid can appear, and this type of pipeline is because of the pipeline degree of depth is dark, and the too big pressure-bearing leads to more difficult maintenance, so the leakproofness requirement of pipeline itself improves thereupon, and the device only seals the control box, does not seal pipeline itself, and life is limited.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The utility model aims to provide a self-adaptive heat balance control device of a ground source heat pump, which aims to solve the following technical problems: the pipeline of the existing ground source heat pump balance control device has the problems of insufficient bearing capacity and poor sealing performance when in use.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a ground source heat pump self-adaptation heat balance control device, is including being responsible for, be responsible for one side and install the access pipe, be responsible for keeping away from the control valve is installed to one side of access pipe, the control valve is kept away from one side of being responsible for installs the output tube, the output tube with install the shunt tubes between the main pipe, the shunt valves is installed in the shunt tubes outside, the control valve is including valve clack and feed liquor chamber, the feed liquor chamber bottom surface is provided with the toper mouth, valve clack week side with the toper mouth adaptation, the sealing washer is installed at the feed liquor chamber top.

As a further scheme of the utility model: the main pipe and the access pipe, the main pipe and the control valve, the output pipe and the adjacent surfaces between the shunt pipes are provided with flanges, and a plurality of bolts are fixedly connected between the adjacent flanges.

As a further scheme of the utility model: the adjacent surfaces of the flanges between the main pipe and the access pipe, between the output pipe and between the shunt pipe are respectively provided with a tooth pressing surface, and a sealing ring is arranged between the two tooth pressing surfaces.

As a further scheme of the utility model: a stabilizing ring is arranged between the main pipe and the two flanges between the control valve, and sealing rings are arranged between the stabilizing ring and the flanges on two sides.

As a further scheme of the utility model: the control valve further comprises a valve body, the liquid inlet cavity is arranged in the valve body, the valve body is connected with a rotating handle in a rotating mode, and the middle of the rotating handle is attached to the inner side of the sealing ring.

As a further scheme of the utility model: the rotary handle is extended to the bottom of the liquid inlet cavity from the outside of the valve body in a penetrating way, one side, close to the sealing ring, of the conical opening is in a contracted shape, the middle part of the rotary handle is in threaded connection with the valve body, and the peripheral side face of the valve clack is attached to the conical opening.

The utility model has the beneficial effects that:

1. the split pipes are arranged between the main pipe and the output pipe, and the self-adaptive fluid control of the pipeline on the split pipes for temperature adjustment is realized through the opening and closing of the split valves so as to adapt to the pressure of the pipeline under different fluid circulation conditions, and the split pipes are connected through flanges and bolts, so that the connection strength is ensured, and high-frequency resonance is avoided when the high-pressure pipelines are integrally connected, and the compression resistance of the pipeline is improved;

2. through installing sealing ring and stabilizing ring at each junction between dividing and establishing the pipeline, improve the connection leakproofness, set up the valve clack and the feed liquor chamber bottom surface that mutually support and be the shape of gathering together simultaneously in the control valve, be convenient for rotate the accurate switching of handle to the valve, set up the sealing washer simultaneously in feed liquor chamber top department, further improved the sealing performance when valve switching fluid passes through, reduce maintenance frequency to the stability when guaranteeing the device use.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a partial semi-sectional view of the present utility model;

FIG. 3 is an enlarged detail view of FIG. 3A of the present utility model;

fig. 4 is an enlarged detail view of the utility model at B in fig. 4.

In the figure: 1. a main pipe; 2. an access tube; 3. a control valve; 31. a liquid inlet cavity; 32. a valve body; 33. a valve flap; 34. a rotating handle; 4. an output pipe; 5. a shunt; 6. a diverter valve; 7. pressing a tooth surface; 8. a seal ring; 9. a stabilizing ring; 10. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the self-adaptive heat balance control device of the ground source heat pump comprises a main pipe 1, wherein an access pipe 2 is fixedly connected to the bottom surface of the main pipe 1, a control valve 3 is arranged at the top end of the main pipe 1, an output pipe 4 is connected to one side of the control valve 3 perpendicular to the main pipe 1, a split-pipe 5 is arranged between the output pipe 4 and the main pipe 1, the split-pipe 5 is L-shaped overall, a split-pipe valve 6 is arranged on the split-pipe 5, and circulation of circulating liquid in the split-pipe 5 is controlled through the split-pipe valve 6.

The access pipe 2 and the main pipe 1 are fixedly connected with each other through the flange and the bolt, and as the pipeline needs to bear multiple external forces such as self weight, fluid pressure, soil pressure, thermal stress caused by expansion and contraction, vibration load and the like when in use, the integral pipeline can lead the self pressure bearing capacity of the pipeline to be insufficient and influence the service life, and the corresponding bolts and the flange are arranged between the access pipe 2 and the main pipe 1, the main pipe 1 and the control valve 3 and between the output pipe 4 and the shunt pipe 5 for connection, thereby ensuring the structural strength and simultaneously being capable of being used for relieving the pressure born by the pipeline and improving the pressure bearing capacity of the pipeline.

As shown in fig. 2 to 4, at the flange connection surface between the output pipe 4 and the shunt pipe 5, the adjacent surfaces of the two flanges are provided with tooth pressing surfaces 7, a sealing ring 8 is clamped between the tooth pressing surfaces 7, the whole sealing ring 8 is made of rubber, and the pipeline connection between the output pipe 4 and the shunt pipe 5 is tighter through the pressurized sealing of the tooth pressing surfaces 7 to the sealing ring 8, so that the tightness between the output pipe 4 and the shunt pipe 5 is improved; meanwhile, inside (not shown) between the access pipe 2 and the main pipe 1, a seal ring 8 is installed simultaneously for providing tightness of the pipe as a whole.

A stabilizing ring 9 is further arranged between the flange and the fixing bolt at the position of the control valve 3 and the main pipe 1, and the valve for controlling the opening and closing of the pipeline is arranged at the top of the control valve 3 and the main pipe 1, and fluid at the position is larger than that of each branch pipe due to the change of frequency and impact force, so that the stabilizing ring 9 for supporting the double-layer sealing ring 8 is arranged at the middle position of the connecting flange and the fixing bolt, and the sealing ring 8 is arranged at the top and the bottom of the stabilizing ring 9 for further improving the sealing stability.

The control valve 3 comprises an internal liquid inlet cavity 31, a valve body 32 is arranged in the liquid inlet cavity 31, a valve clack 33 is arranged on the bottom surface of the valve body 32, the valve clack 33 and the liquid inlet cavity 31 are propped against each other, adjacent surfaces are inclined planes (see figure 3), namely, the bottom surface of the liquid inlet cavity 31 is provided with a conical opening, the side surfaces of the valve clack 33 are mutually matched with the conical opening, and in particular, the propped inclined planes shrink inwards along with the tightening of the valve clack 33, so that the valve clack 33 can realize gradual sealing of the liquid inlet cavity 31 when being screwed, thereby realizing the opening and closing control of the control valve 3, when the valve clack 33 reversely rotates, the valve clack 33 and the bottom surface of the liquid inlet cavity 31 are mutually separated, the control valve 3 is opened, and fluid in the main pipe 1 can be transmitted to the output pipe 4 by the access pipe 2;

a sealing ring 10 is arranged outside the peripheral side surface of the middle part of the valve body 32 at the top end position of the liquid inlet cavity 31, the sealing ring 10 is used for sealing the liquid inlet cavity 31, and high-pressure fluid in the liquid inlet cavity 31 seeps out in the process of placing the valve to ensure the tightness of the control valve 3 during working;

the control valve 3 top has set up rotation handle 34, and rotation handle 34 is used for driving the rotation of valve body 32, makes the staff realize the on-off control to inside fluid in the outside of control valve 3, and in the rotation in-process, the distance between valve clack 33 and the bottom surface of feed liquor chamber 31 is kept away from or is close to gradually, and the valve flow reduces near, and the valve flow increases when keeping away from to realize the control to control valve 3 flow size.

The working principle of the utility model is as follows:

after the access pipe 2 and the main pipe 1 are fixed through flanges and bolts, a fluid water source which is subjected to heat exchange in the deep layer of the ground is injected into the main pipe 1, when the temperature difference between the ground temperature and the ground temperature is extremely large, the circulation volume of the fluid in the pipeline is large and the flow speed is high due to the fact that the surface air conditioner is large in temperature adjustment pressure, at the moment, the shunt pipe 5 is opened through the shunt valve 6, the fluid supply of the two channels to the output pipe 4 is realized through opening the valve clack 33 of the control valve 3, the flow supply pressure of the main body of the control valve 3 is relieved, and when the temperature difference is small and the temperature adjustment requirement is weak, the control valve 3 or the shunt valve 6 is closed, so that the adaptability adjustment of the heat pump water supply is realized; on the other hand, the shunt tube 5 installed between the main tube 1 and the output tube 4 is used for more stably supporting the pipeline, so that the stability of the heat pump pipeline is improved, meanwhile, the flange and the bolt are arranged between the branch tubes to be matched with the pressing tooth surface 7 and the sealing ring 8 for sealing, the valve clack 33 and the valve body 32 which are propped against each other are arranged in the control valve 3, and the sealing ring 10 for fluid leakage is arranged at the top of the liquid inlet cavity 31, so that the sealing effect of the pipeline connection and the flow control is improved, the pipeline maintenance probability is reduced, and the use safety and stability are improved.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a ground source heat pump self-adaptation heat balance control device, is including being responsible for (1), be responsible for (1) one side and install access pipe (2), be responsible for (1) and keep away from one side of access pipe (2) is installed control valve (3), control valve (3) are kept away from one side of being responsible for (1) is installed output tube (4), a serial communication port, output tube (4) with install shunt tubes (5) between being responsible for (1), shunt tubes (5) outside is installed shunt valves (6), control valve (3) are including valve clack (33) and feed liquor chamber (31), feed liquor chamber (31) bottom surface is provided with the toper mouth, valve clack (33) week side with toper mouth adaptation, sealing washer (10) are installed at feed liquor chamber (31) top.

2. The self-adaptive heat balance control device of the ground source heat pump according to claim 1, wherein flanges are arranged on adjacent surfaces among the main pipe (1), the access pipe (2), the main pipe (1), the control valve (3), the output pipe (4) and the shunt pipe (5), and a plurality of bolts are fixedly connected between the adjacent flanges.

3. A ground source heat pump self-adaptive heat balance control device according to claim 2, characterized in that the adjacent surfaces of the two flanges between the main pipe (1) and the access pipe (2), between the output pipe (4) and the shunt pipe (5) are respectively provided with a tooth pressing surface (7), and a sealing ring (8) is arranged between the two tooth pressing surfaces (7).

4. A ground source heat pump self-adaptive heat balance control device according to claim 2, characterized in that a stabilizing ring (9) is arranged between the two flanges between the main pipe (1) and the control valve (3), and sealing rings (8) are arranged between the stabilizing ring (9) and the flanges at both sides.

5. The self-adaptive heat balance control device of the ground source heat pump according to claim 1, wherein the control valve (3) further comprises a valve body (32), the liquid inlet cavity (31) is arranged inside the valve body (32), the valve body (32) is rotatably connected with a rotating handle (34), and the middle part of the rotating handle (34) is attached to the inner side of the sealing ring (10).

6. The self-adaptive heat balance control device of a ground source heat pump according to claim 5, wherein the rotating handle (34) extends from the outside of the valve body (32) to the bottom of the liquid inlet cavity (31), one side of the conical opening, which is close to the sealing ring (10), is in a contracted shape, the middle part of the rotating handle (34) is in threaded connection with the valve body (32), and the peripheral side surface of the valve clack (33) is attached to the conical opening.