CN210740593U

CN210740593U - Soil source heat pump

Info

Publication number: CN210740593U
Application number: CN201921464481.6U
Authority: CN
Inventors: 仇春伟; 郑丹庆; 胡齐亮
Original assignee: Zhejiang Ama & Hien Technology Co ltd
Current assignee: Zhejiang Ama & Hien Technology Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-06-12
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to an air conditioning technology field, concretely relates to soil source heat pump, including the box, and locate heat pump set, fan subassembly and the filtering component in the box, heat pump set is including the compressor, first heat exchanger, throttling arrangement and the second heat exchanger that communicate in proper order, one of first heat exchanger and second heat exchanger and bury in the water circulating line intercommunication of soil, filtering component and fan subassembly's income wind gap intercommunication, and set up side by side with one of first heat exchanger or second heat exchanger. The utility model discloses a soil source heat pump has compact structure, the advantage of indoor air-purifying.

Description

Soil source heat pump

Technical Field

The utility model relates to an air conditioning technology field, concretely relates to soil source heat pump.

Background

The heat pump is a high-efficiency energy-saving device which makes full use of low-grade heat energy. Heat can be transferred spontaneously from a high temperature object to a low temperature object, but cannot proceed spontaneously in the opposite direction. The working principle of the heat pump is a mechanical device which forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, and the heat pump can obtain larger heat supply amount only by consuming a small amount of reverse circulation net work, and can effectively utilize low-grade heat energy which is difficult to apply to achieve the purpose of energy conservation. The heat pump is divided into the following according to different types of heat sources: air source heat pump, water source heat pump, ground source heat pump, dual source heat pump (combination of water source heat pump and air source heat pump), etc. The ground source heat pump is a device which completes heat exchange with the interior of the building through a pipeline system deeply buried around the building by utilizing the characteristic that the temperature of the underground normal-temperature soil is relatively stable. Heat is taken from soil in winter to heat buildings; in summer, heat is discharged to the soil to refrigerate the building. The ground source heat pump technology belongs to the renewable energy utilization technology, has obvious environmental benefit and is more environment-friendly and can be widely applied.

SUMMERY OF THE UTILITY MODEL

Therefore, the soil source heat pump with compact structure and air purification function is provided.

The technical scheme of the utility model is that:

the soil source heat pump comprises a box body, a heat pump unit, a fan assembly and a filtering assembly, wherein the heat pump unit, the fan assembly and the filtering assembly are arranged in the box body, the heat pump unit comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger which are sequentially communicated, one of the first heat exchanger and the second heat exchanger is communicated with a water circulation pipeline buried in soil, and the filtering assembly is communicated with an air inlet of the fan assembly and is arranged side by side with the first heat exchanger or the second heat exchanger.

In the soil source heat pump, the height of a first heat exchanger or a second heat exchanger communicated with the filtering component is smaller than that of the filtering component, and the fan component is arranged above the first heat exchanger or the second heat exchanger.

The filter assembly is arranged on the wall of the box body.

The filter component comprises a filter element, the filter element comprises a primary filter screen which is arranged from outside to inside in parallel and used for removing larger sundries or hair, a high-efficiency filter screen for removing PM2.5 and dust microparticles, an activated carbon filter screen for removing formaldehyde and peculiar smell, and a degerming filter screen with sterilization and degerming functions.

The filter element is characterized by further comprising a shell, a sliding rail and an outer frame, wherein the shell is installed on the box body, the sliding rail is arranged at the bottom of the shell, the outer frame is arranged in the shell, and the filter element is installed on the outer frame and is in sliding connection with the sliding rail.

The primary filter screen comprises a nylon net and an inner frame used for supporting the nylon net, and the outer periphery of the nylon net and the outer periphery of the inner frame are arranged on the outer frame.

One of the first heat exchanger and the second heat exchanger is arranged on the lower side of the box body, the other of the first heat exchanger and the second heat exchanger is arranged on the upper side of the box body, and a fan assembly is arranged between the first heat exchanger and the second heat exchanger.

The utility model discloses technical scheme has following advantage:

1. the utility model discloses a soil source heat pump at the during operation, the refrigerant passes through first heat exchanger or second heat exchanger, and the heat exchange takes place with the water in the hydrologic cycle pipeline, regards as cold source and heat source with the soil source promptly. Indoor air flows through the filtering component, the air purified by the filtering component enters an air inlet of the fan, the fan accelerates air flow, and then accelerates heat exchange between the air and the first heat exchanger or the second heat exchanger. The heat pump unit, the fan assembly and the filtering assembly are integrated in the same box body, and the filtering assembly and one of the first heat exchanger or the second heat exchanger are arranged side by side, so that the soil source heat pump device is compact in structure, does not need to be connected by adopting a long pipeline, is directly integrated during production and then is transported to a downstream merchant, does not need to be assembled on site, reduces the manufacturing and assembling cost, belongs to a renewable energy utilization technology, has remarkable environmental benefit and is more environment-friendly, and the application of the soil source heat pump is wider.

2. The utility model discloses a soil source heat pump, for the intake that improves filter assembly, the windage when reducing fan assembly induced draft, filter assembly highly more high better, can be with the height that highly is less than filter assembly with the first heat exchanger or the second heat exchanger of filter assembly intercommunication, the fan assembly is established in the top of first heat exchanger or second heat exchanger for this soil source heat pump device structure is compacter, windage when reducing fan assembly induced draft.

3. The utility model discloses a soil source heat pump, casing are installed on the box, and the slide rail is established in the bottom of casing, and the casing is arranged in to the frame, installs the filter core on it, and with slide rail sliding connection, when the renew cartridge, dismantle the casing from the box. Then the outer frame is drawn out of the shell along the slide rail, and a new filter element is installed, so that the shell does not need to be disassembled for replacement, and the use is convenient.

4. The utility model discloses a soil source heat pump because the nylon wire is very soft, receives the wind force effect to take place destruction easily in long-term use, and the inside casing can play the supporting role to the nylon wire, has prolonged the life of nylon wire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the ground source heat pump apparatus;

FIG. 2 is a schematic view of the cover plate of FIG. 1;

FIG. 3 is a schematic structural view of a cross-sectional view taken through the center of a second heat exchanger in accordance with the present invention;

fig. 4 is a schematic structural diagram of the outer frame of the soil source heat pump apparatus.

Description of reference numerals:

1-a box body; 2-a first separator; 3-a second separator; 4-a second heat exchanger; 5, mounting a guard plate; 6-lower guard board; 7-water tray assembly; 8-reserving space; 9-centrifugal wind wheel; 10-a vent; 11-an expansion valve; 12-a compressor; 13-a controller; 14-a first heat exchanger; 15-a housing; 16-primary filter screen; 17-high efficiency filter screen; 18-activated carbon filter screen; 19-sterilizing filter screen; 20-outer frame.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The soil source heat pump device of the embodiment, as shown in fig. 1-4, includes a box body 1, the box body 1 is composed of a plurality of cover plates, and the interior of the box body is divided into a heat exchange cavity, a condensation cavity and an installation cavity by a first partition plate 2 and a second partition plate 3, wherein the heat exchange cavity is located on the upper side of the box body 1, the condensation cavity is located on the lower side of the box body 1, and the installation cavity is located on either the left side or the right side of the box body 1.

As shown in fig. 2 and 3, the ground source heat pump apparatus further includes a heat pump unit and a fan assembly. The heat pump unit comprises a compressor 12, a first heat exchanger 14, an expansion valve 11 and a second heat exchanger 4 which are sequentially communicated through pipelines, wherein the first heat exchanger 14 is a sleeve-type heat exchanger or a plate-type heat exchanger and is communicated with a water circulation pipeline deeply buried in soil, the second heat exchanger 4 is a fin-type heat exchanger, a fan assembly comprises two centrifugal wind wheels 9 and a double-shaft motor, and the two centrifugal wind wheels 9 are respectively arranged at two ends of the double-shaft motor.

Wherein, a second heat exchanger 4, a water disc component 7, an upper protection plate 5 and a lower protection plate 6 are arranged in the heat exchange cavity. Go up backplate 5 and backplate 6 down and be platelike, and relative setting, fixed establishing respectively on box 1, second heat exchanger 4 installs in the heat transfer intracavity through last backplate 5 and backplate 6 down aslope, and the slope sets up the benefit and is that the heat transfer area of heat exchanger is bigger under the unchangeable condition of the device box 1 basal area, and is better with the heat transfer effect of room air. The water tray assembly 7 is located below the lower end of the second heat exchanger 4 so that condensed water droplets on the second heat exchanger 4 flow into the water tray assembly 7 for easy cleaning.

The air outlet of the centrifugal wind wheel 9 faces the second heat exchanger 4 and is communicated with the heat exchange cavity, a reserved space 8 is arranged between the air outlet and the second heat exchanger 4, indoor air flows through the air return position of the centrifugal wind wheel 9 of the fan assembly, and the motor rotates to drive the impeller of the centrifugal wind wheel 9 to rotate, so that the air in the centrifugal wind wheel 9 runs at an accelerated speed and is discharged from the air outlet of the centrifugal wind wheel 9 to form mixed air flow with a certain dynamic pressure turbulent flow state. If the mixed air flow flows stably and the noise is reduced, a reserved space 8 needs to be arranged between the air outlet and the second heat exchanger 4 to reduce the dynamic pressure of the air flow and increase a certain static pressure, so that the air flow is more stable and the noise is less. The air current passes through second heat exchanger 4 and absorbs heat or release heat to let more comfortable wind get into indoorly, set up moreover headspace 8 also makes the drop of water after the condensation on second heat exchanger 4 be unlikely to by the wind blow into indoorly, leads to experiencing the effect poor.

The first heat exchanger 14, the fan assembly and the filtering assembly 10 are arranged in the condensation cavity, the fan assembly is arranged between the first heat exchanger 14 and the second heat exchanger 4, the structure of the soil source heat pump device is more compact due to the up-and-down arrangement mode, and the occupation of indoor horizontal space is reduced. First heat exchanger 14 and filter assembly 10 set up side by side, in order to improve filter assembly's intake, reduce the windage when fan assembly induced draft, filter assembly 10 highly higher the better, because still must arrange fan assembly in the condensation chamber, can establish first heat exchanger 14 as being less than filter assembly 10 in the direction of height, fan assembly establishes the top at first heat exchanger 14 for this soil source heat pump device structure is compacter, has reduced the windage when fan assembly induced draft.

The air inlet of the fan assembly is communicated with the filter assembly 10. During operation, indoor air enters the condensation cavity after being filtered by the filtering component 10, enters the reserved space 8 in the heat exchange cavity through the fan component, and then conveys heat or cold generated by the second heat exchanger 4 to the indoor air so as to achieve the effect of refrigeration or heating.

As shown in fig. 2-4, the filter assembly 10 includes a filter element, a housing 15, two slide rails and an outer frame 20, the housing 15 is mounted on the box body, the two slide rails are respectively disposed at the bottom and the top of the housing 15, the outer frame 20 is disposed in the housing 15, and the filter element is mounted thereon and slidably connected to the slide rails. When the filter cartridge is replaced, the housing 15 is detached from the case. Then the outer frame 20 is drawn out of the shell 15 along the slide rail, and a new filter element is installed, so that the shell 15 does not need to be disassembled for replacement, and the use is convenient.

As an alternative embodiment, the housing 15 is mounted on a cover plate with ventilation holes, the cover plate is connected with the box body through hinges, and when the filter cartridge is used, the filter cartridge can be replaced by turning over the cover plate without detaching the housing 15 from the box body, so that the filter cartridge is more convenient to replace.

As a second alternative, the housing 15 is not required to be provided, and the two slide rails are arranged on the box body in parallel along the vertical direction, wherein the slide rail located above is connected with the box body in a sliding manner, and when the filter cartridge is used, the filter cartridge can be directly taken out from the box body by moving the slide rail above, so that the filter cartridge is very convenient to replace.

The filter element comprises a primary filter screen 16, a high-efficiency filter screen 17, an active carbon filter screen 18 and a degerming filter screen 19 which are arranged from the outer side to the inner side.

Wherein, the primary filter screen includes the nylon wire and is used for supporting the inside casing of nylon wire, the periphery of nylon wire with the periphery of inside casing is all located on the frame, great debris or hair can be clear away to the nylon wire. Because the nylon net is very soft, the nylon net is easy to damage under the action of wind in the long-term use process, the inner frame can play a supporting role for the nylon net, and the service life of the nylon net is prolonged.

The efficient filter screen 17 is made of composite filter paper, the composite filter paper is installed on the outer frame 20, the composite filter paper sequentially passes through PP melt-blowing and PET melt-blowing manufacturing processes, so that the composite filter paper has the characteristics of PP and PET, namely existing stiffness, high-precision filtering effect can be guaranteed, and PM2.5 and dust microparticles can be removed.

The activated carbon filter screen 18 comprises a middle frame made of a honeycomb PP material, and activated carbon particles are placed in the honeycomb structure and used for removing formaldehyde and peculiar smell.

Wherein, the degerming filter screen 19 adopts a microporous filter membrane with uniform pore size distribution. The microporous filter membrane is arranged on the outer frame 20, is made by coating a special treatment on a pore-forming additive and a macromolecular chemical material on a supporting layer, and has the functions of sterilization and degerming.

The installation cavity is internally provided with a compressor 12, an expansion valve 11 and a controller 13. The installation cavity is positioned on the left side or the right side of the box body 1, so that the soil source heat pump device is very convenient to maintain, and indoor air does not flow through the installation cavity, so that peculiar smell generated by oil on the compressor 12 cannot enter the indoor air.

During operation, the refrigerant passes through the first heat exchanger and is in heat exchange with water in the water circulation pipeline, namely, a soil source is used as a cold source and a heat source. Indoor air flows through the filtering component, the air purified by the filtering component enters an air inlet of the fan, and the fan accelerates air flow, so that the air exchanges heat with the second heat exchanger. The heat pump unit, the fan assembly and the filtering assembly are integrated in the same box body, and the filtering assembly and the first heat exchanger are arranged side by side, so that the soil source heat pump device is compact in structure, does not need to be connected by long pipelines, is directly integrated during production and then is transported to downstream merchants, does not need to be assembled on site, reduces the manufacturing cost, belongs to a renewable energy utilization technology, has obvious environmental benefits and is more environment-friendly, and the application of the soil source heat pump is wider.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The soil source heat pump is characterized by comprising a box body (1), a heat pump unit, a fan assembly and a filtering assembly, wherein the heat pump unit, the fan assembly and the filtering assembly are arranged in the box body (1), the heat pump unit comprises a compressor (12), a first heat exchanger (14), a throttling device and a second heat exchanger (4) which are sequentially communicated, one of the first heat exchanger (14) and the second heat exchanger (4) is communicated with a water circulation pipeline buried in soil, and the filtering assembly is communicated with an air inlet of the fan assembly and is arranged side by side with the first heat exchanger (14) or one of the second heat exchangers (4).

2. The ground source heat pump according to claim 1, characterized in that the first heat exchanger (14) or the second heat exchanger (4) in communication with the filter assembly has a height smaller than the height of the filter assembly, the fan assembly being provided above the first heat exchanger (14) or the second heat exchanger (4).

3. The ground source heat pump according to claim 1, characterized in that the filter assembly is provided on a wall of the tank (1).

4. The ground source heat pump according to claim 1, characterized in that the filter assembly comprises a filter core, and the filter core comprises a primary filter screen (16) for removing larger impurities or hair, a high-efficiency filter screen (17) for removing PM2.5 and dust microparticles, an activated carbon filter screen (18) for removing formaldehyde and peculiar smell, and a sterilization filter screen (19) with sterilization and degerming functions, which are arranged from outside to inside in parallel.

5. The soil source heat pump according to claim 4, characterized by further comprising a housing (15), a slide rail and an outer frame (20), wherein the housing (15) is installed on the box body (1), the slide rail is arranged at the bottom of the housing (15), the outer frame (20) is arranged in the housing (15), and the filter element is installed on the outer frame (20) and is connected with the slide rail in a sliding manner.

6. The ground source heat pump according to claim 5, characterized in that the primary filter screen (16) comprises a nylon mesh and an inner frame for supporting the nylon mesh, and the outer circumference of the nylon mesh and the outer circumference of the inner frame are both arranged on the outer frame (20).

7. The ground source heat pump according to claim 1, characterized in that one of the first heat exchanger (14) and the second heat exchanger (4) is arranged at the lower side of the box body (1), the other of the first heat exchanger (14) and the second heat exchanger (4) is arranged at the upper side of the box body (1), and the fan assembly is arranged between the first heat exchanger (14) and the second heat exchanger (4).