CN219037712U - Heat exchanger and gas source heat pump using same - Google Patents

Abstract

The utility model discloses a heat exchanger and a gas source heat pump using the heat exchanger, and relates to a heat exchanger which comprises a cylindrical shell and a lifting support frame positioned at the bottom of the shell, wherein a partition plate is arranged in the shell and divides the inner cavity of the shell into a first cavity and a second cavity, a plurality of heat conducting pipes and a plurality of baffle plates are arranged in the first cavity and the second cavity, a first fluid inlet and outlet group communicated with the first cavity is arranged at the upper part of the shell, a second fluid inlet and outlet group communicated with the second cavity is arranged at the lower part of the shell, and the heat conductivity of the partition plate is equal to or greater than that of the heat conducting pipes. Through dividing into two cavities with shell inner structure, through carrying out the heat exchange simultaneously or respectively, reduce the volume of whole heat pump, avoided the time that fluid flows in a plurality of heat exchangers, improved heat exchange efficiency, solved the lower and limited technical problem of applicable environment of heat exchange efficiency among the prior art.

Description

Heat exchanger and gas source heat pump using same

Technical Field

The utility model relates to the field of gas equipment, in particular to a heat exchanger and a gas source heat pump using the heat exchanger.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

The heat pump is a high-efficiency energy-saving device which fully utilizes low-grade heat energy, and heat can be spontaneously transferred from a high-temperature object to a low-temperature object, but cannot be spontaneously conducted 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, only a small amount of reverse circulation net work is consumed, larger heat supply can be obtained, and low-grade heat energy which is difficult to apply can be effectively utilized to achieve the purpose of energy conservation. The gas heat pump is a system for performing cooling and heating by driving a compressor to operate by using a gas engine.

The prior art discloses a Chinese patent with the application number of 202011174936.8 and the name of a heat pump driven by a gas engine, and the applicant finds that the following technical problems still exist in the structure of the patent: the existing heat exchanger can only complete heat exchange of one fluid at a time, when the heat exchange of a plurality of fluids is needed at the same time, the heat exchanger needs to be additionally arranged, so that the whole device has overlarge structural volume, limited applicable environment, time required in the flow process of smoke among three smoke heat exchangers and lower heat exchange efficiency.

Disclosure of Invention

The purpose of the present disclosure is to provide a heat exchanger and a gas source heat pump using the same, which solve the technical problems of low heat exchange efficiency and limited applicable environment in the prior art.

According to one aspect of the present disclosure, there is provided a heat exchanger, including a cylindrical housing and a lifting support frame located at the bottom of the housing, a partition plate is disposed in the housing, the partition plate divides an inner cavity of the housing into a first chamber and a second chamber, a plurality of heat pipes and a plurality of baffles are disposed in the first chamber and the second chamber, a first fluid inlet and outlet group communicated with the first chamber is disposed at an upper portion of the housing, a second fluid inlet and outlet group communicated with the second chamber is disposed at a lower portion of the housing, and a thermal conductivity of the partition plate is equal to or greater than a thermal conductivity of the heat pipes. The double-channel heat exchange is realized by arranging the double cavities.

In some embodiments of the disclosure, both sides of the heat conduction pipe pass through a fixing plate, an outer circle of the fixing plate is connected with an inner wall of the housing, and a heat exchange area is formed between the two fixing plates. The heat is guaranteed not to be wasted through the fixed plate.

In some embodiments of the disclosure, the first fluid inlet and outlet set includes a first inlet, a second inlet, a first outlet, and a second outlet, the first inlet and the second inlet are sequentially connected from left to right to an upper portion of one end of the housing, the first outlet and the second outlet are sequentially connected from left to right to an upper portion of the other end of the housing, a temperature of the fluid introduced by the first inlet is higher than a temperature of the fluid introduced by the second inlet, the second outlet and the first inlet are all communicated with the heat conducting tube, and the second inlet and the first outlet are all communicated with the heat exchanging region.

In some embodiments of the disclosure, the second fluid inlet and outlet set includes a third inlet, a fourth inlet, a third outlet, and a fourth outlet, where the third inlet and the fourth inlet are sequentially connected from left to right to the lower portion of one end of the housing, the third outlet and the fourth outlet are sequentially connected from left to right to the lower portion of the other end of the housing, the temperature of the fluid introduced by the third inlet is higher than the temperature of the fluid introduced by the fourth inlet, the fourth outlet and the third inlet are all communicated with the heat conducting tube, and the fourth inlet and the third outlet are all communicated with the heat exchange area.

In some embodiments of the disclosure, the baffle plate is an arc plate, the middle part of the baffle plate is recessed from left to right, the second inlet and the fourth inlet are both provided with one-way valves, and the first outlet, the third outlet, the second outlet and the fourth outlet are all connected with an accelerating pump. The speed of the fluid flow is ensured by the accelerating pump and the fluid can be successfully discharged.

In some embodiments of the disclosure, a first pressure sensor is connected to the left side of the baffle plate near the first outlet in the first chamber; and a second pressure sensor is connected to the left side of the baffle plate near the third outlet in the second chamber. The position reached by the fluid movement is detected by a pressure sensor.

In some embodiments of the present disclosure, a first electromagnetic switch electrically connected to the first pressure sensor is disposed in the first outlet, and a second electromagnetic switch electrically connected to the second pressure sensor is disposed in the third outlet. Whether the fluid passes through is controlled by an electromagnetic switch.

In some embodiments of the disclosure, a first temperature sensor electrically connected to the first electromagnetic switch is connected to the inner wall of the housing in the first chamber near the first pressure sensor; and in the second cavity, a second temperature sensor electrically connected with the second electromagnetic switch is connected to the position, close to the second pressure sensor, of the inner wall of the shell. The sensor detects whether the temperature of the fluid after heat exchange meets the regulation.

In some embodiments of the disclosure, the lifting support frame comprises a bottom cylinder and a connecting column movably connected in the bottom cylinder, the top of the bottom cylinder is provided with a connecting ring, a plurality of connecting holes are formed in the connecting column, a limiting ring is sleeved outside the connecting column, the section of the limiting ring is L-shaped, the lower surface of the limiting ring is in butt joint with the connecting ring, the side wall of the limiting ring is connected with the connecting holes through bolts, an auxiliary opening is formed in the bottom of the side wall of the bottom cylinder, a supporting block is arranged in the bottom cylinder, and the auxiliary opening is used for placing the supporting block into the bottom cylinder. Through setting up the height-adjustable's lift support frame, can make this device adapt to different installation environment.

According to another aspect of the present disclosure, there is provided a gas-source heat pump having the heat exchanger described above therein.

Compared with the technology disclosed at present, the technology disclosed by the disclosure has the following advantages and beneficial effects: according to the heat exchanger, the shell is divided into the first cavity and the second cavity, so that two heat exchanges can be simultaneously realized, the volume of the whole heat pump is reduced, the heat pump can adapt to more installation environments, the time consumed when fluid flows among the heat exchangers is saved, unnecessary heat loss is avoided, and the heat exchange efficiency is improved; meanwhile, by arranging the arc baffle plate, the number of times that fluid molecules are reflected on the arc surface of the baffle plate is increased, the residence time and the moving time of the fluid in the cavity are prolonged, and the heat can be fully transferred.

Drawings

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

fig. 2 is a schematic view of a lifting support frame structure according to the present utility model.

Legend description:

1-a housing; 2-dividing plates; 3-a first chamber; 4-a second chamber; 5-a heat conduction pipe; 6-baffle plates; 7-fixing plates; 8-a heat exchange zone; 9-a first inlet; 10-a second inlet; 11-a first outlet; 12-a second outlet; 13-a third inlet; 14-fourth inlet; 15-a third outlet; 16-a fourth outlet; 17-a first pressure sensor; 18-a second pressure sensor; 19-a first temperature sensor; 20-a second temperature sensor; 21-a bottom cylinder; 22-connecting columns; a 23-connecting ring; 24-limiting rings; 25-auxiliary port; 26-supporting blocks.

Detailed Description

Referring to fig. 1-2 together, the present embodiment provides a heat exchanger and a gas source heat pump using the heat exchanger, where the heat exchanger and the gas source heat pump using the heat exchanger are already in actual testing and use.

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which illustrative embodiments of the utility model are shown. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

Unless defined to the contrary, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

The embodiment at least comprises the following contents: the utility model provides a heat exchanger, including tubular shell 1 and the lift support frame that is located shell 1 bottom, be provided with division board 2 in the shell 1, division board 2 is cut apart the inner chamber of shell 1 into first cavity 3 and second cavity 4, all be provided with a plurality of heat pipes 5 and a plurality of baffling board 6 in first cavity 3 and the second cavity 4, shell 1 upper portion has the first fluid access & exit group that communicates with first cavity 3, the lower part has the second fluid access & exit group that communicates with second cavity 4, the coefficient of heat conductivity of division board 2 is equal to or more than the coefficient of heat conduction of heat pipe 5. It should be noted that, through dividing the shell 1 into the first cavity 3 and the second cavity 4, two heat exchanges can be simultaneously realized, the volume of the whole heat pump is reduced, the heat pump can adapt to more installation environments, the time consumed when fluid flows among a plurality of heat exchangers is saved, unnecessary heat dissipation is avoided, and the heat exchange efficiency is improved.

It should be noted that, the thermal conductivity of the housing 1 is far smaller than that of the heat conducting tube 5, so as to ensure that heat will not be dissipated to the outside of the device and be wasted, the thermal conductivity of the partition plate 2 is set to be equal to or greater than that of the heat conducting tube 5, and when two cavities start to work at the same time, heat which is not absorbed by the fluid with low heat in the cavity can be absorbed by the fluid with low heat in the adjacent cavity, thereby realizing effective utilization of energy and improving efficiency of heat exchange.

In this embodiment, both sides of the heat conduction pipe 5 pass through the fixing plates 7, the outer circle of each fixing plate 7 is connected with the inner wall of the casing 1, and a heat exchange area 8 is formed between the two fixing plates 7. By arranging the fixing plate 7, mixing between two fluids is avoided, and the fluid components are ensured to be consistent all the time.

In this embodiment, the first fluid inlet and outlet group includes a first inlet 9, a second inlet 10, a first outlet 11, and a second outlet 12, where the first inlet 9 and the second inlet 10 are sequentially connected from left to right to the upper portion of one end of the housing 1, the first outlet 11 and the second outlet 12 are sequentially connected from left to right to the upper portion of the other end of the housing 1, the temperature of the fluid introduced into the first inlet 9 is higher than that of the fluid introduced into the second inlet 10, the second outlet 12 and the first inlet 9 are both communicated with the heat conducting tube 5, and the second inlet 10 and the first outlet 11 are both communicated with the heat exchange area 8. Through the first inlet 9, the second inlet 10, the first outlet 11 and the second outlet 12, one-time heat exchange is realized, fluid with high heat enters from the first inlet 9, flows out from the first outlet 11, fluid with low heat enters from the second inlet 10 and flows out from the second outlet 12, and heat exchange and transfer are carried out when various fluids with different heat are in the same area in the first cavity.

In this embodiment, the second fluid inlet and outlet set includes a third inlet 13, a fourth inlet 14, a third outlet 15, and a fourth outlet 16, where the third inlet 13 and the fourth inlet 14 are sequentially connected from left to right to the lower part of one end of the housing 1, the third outlet 15 and the fourth outlet 16 are sequentially connected from left to right to the lower part of the other end of the housing 1, the temperature of the fluid introduced by the third inlet 13 is higher than the temperature of the fluid introduced by the fourth inlet 14, the fourth outlet 16 and the third inlet 13 are both communicated with the heat conducting tube 5, and the fourth inlet 14 and the third outlet 15 are both communicated with the heat exchange area 8. The third inlet 13, the fourth inlet 14, the third outlet 15 and the fourth outlet 16 are arranged to realize another heat exchange, the fluid with high heat enters from the third inlet 13, flows out from the fourth outlet 16, the fluid with low heat enters from the third inlet 13, flows out from the third outlet 15, and the heat exchange and the heat transfer are carried out when the fluids with different heat are in the same area in the second cavity.

The first cavity and the second cavity may be operated simultaneously or separately.

Example 2

In this embodiment, only the differences from embodiment 1 are described, the baffle plate 6 is an arc plate, the middle part of the baffle plate is recessed from left to right, the second inlet 10 and the fourth inlet 14 are respectively provided with a one-way valve, and the first outlet 11, the third outlet 15, the second outlet 12 and the fourth outlet 16 are respectively connected with an accelerating pump. In order to ensure that the outlets and inlets which are both positioned above or below can finish the flow of the fluid, the accelerating pump is arranged to help the fluid to realize the flow, and the check valve is arranged to prevent the fluid from flowing reversely, so that the efficiency of fluid exchange and flow is ensured.

In the present embodiment, a first pressure sensor 17 is connected to the left side of the baffle 6 in the first chamber 3, which is close to the first outlet 11; a second pressure sensor 18 is connected to the left side of the baffle 6 in the second chamber 4, near the third outlet 15. A first electromagnetic switch electrically connected to the first pressure sensor 17 is provided in the first outlet 11, and a second electromagnetic switch electrically connected to the second pressure sensor 18 is provided in the third outlet 15. The pressure sensor is arranged to detect the arrival of fluid, when the pressure sensor detects that the fluid arrives at the outlet position, signals are transmitted to the one-way valve and the electromagnetic switch to enable the one-way valve and the electromagnetic switch to be opened and start working, so that the fluid flows through, and the situation that the pressure in the cavity is overlarge due to the fact that the fluid cannot flow out is prevented.

In the embodiment, a first temperature sensor 19 electrically connected with a first electromagnetic switch is connected to the inner wall of the housing 1 in the first chamber 3 near the first pressure sensor 17; in the second chamber 4, a second temperature sensor 20 electrically connected to the second electromagnetic switch is connected to the inner wall of the housing 1 near the second pressure sensor 18. The temperature sensor is used for detecting the temperature of the fluid at the outlet position, judging whether the temperature of the fluid meets the requirement, and if the temperature of the fluid does not meet the requirement, the inlet is closed, and the outlet is closed, so that the fluid with low heat continues to receive the heat transferred by the fluid with high heat, or an external pipeline is opened to enable the fluid to return to the wall body again for heat exchange.

In this embodiment, the lifting support frame includes a bottom section of thick bamboo 21 and swing joint at the spliced pole 22 in the bottom section of thick bamboo 21, bottom section of thick bamboo 21 top has spliced pole 23, has seted up many dry connecting holes on the spliced pole 22, and spliced pole 22 overcoat is equipped with spacing ring 24, and spacing ring 24 cross-section is L type, and spacing ring 24 lower surface and spliced pole 23 butt, spacing ring 24 lateral wall and spliced hole are used bolted connection, and bottom section of thick bamboo 21 lateral wall bottom has been seted up auxiliary port 25, and bottom section of thick bamboo 21 inside has been placed the supporting shoe, and auxiliary port 25 is used for putting into the supporting shoe to bottom section of thick bamboo 21 inside. The height of the supporting base is adjusted by arranging the bottom cylinder 21, the connecting column 22, the connecting ring 23, the limiting ring 24 and the supporting block, and in detail, during installation, the limiting ring 24 and the connecting ring 23 are coaxially arranged, then the connecting column 22 is installed to penetrate through the limiting ring 24 and the mounting ring and then is inserted into the bottom cylinder 21, the connecting column 22 is adjusted up and down, and when the connecting column 22 is at a proper position, the limiting ring 24, the connecting column 22, the connecting ring 23 and the limiting ring 24 are connected through bolts, and at the moment, the top of the connecting column 22 is connected with the bottom of the shell 1. The height of the device can be adjusted by connecting the bolts with the connecting holes at different positions.

For a better understanding of the present disclosure, the present disclosure also provides a gas source heat pump having the above-described heat exchanger therein.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a heat exchanger, its characterized in that includes tubular shell (1) and is located the lift support frame of shell (1) bottom, be provided with division board (2) in shell (1), division board (2) will the inner chamber of shell (1) is cut apart into first cavity (3) and second cavity (4), first cavity (3) with all be provided with a plurality of heat pipe (5) and a plurality of baffling board (6) in second cavity (4), shell (1) upper portion have with the first fluid access group of first cavity (3) intercommunication, the lower part have with the second fluid access group of second cavity (4) intercommunication, the coefficient of heat conductivity of division board (2) is equal to or more than the coefficient of heat pipe (5).

2. A heat exchanger according to claim 1, wherein the heat conducting pipes (5) are provided with two sides penetrating through the fixing plates (7), the outer circle of the fixing plates (7) is connected with the inner wall of the casing (1), and a heat exchange area (8) is formed between the two fixing plates (7).

3. A heat exchanger according to claim 2, wherein the first fluid inlet and outlet group comprises a first inlet (9), a second inlet (10), a first outlet (11) and a second outlet (12), the first inlet (9) and the second inlet (10) are sequentially connected from left to right to the upper part of one end of the housing (1), the first outlet (11) and the second outlet (12) are sequentially connected from left to right to the upper part of the other end of the housing (1), the temperature of the fluid introduced by the first inlet (9) is higher than the temperature of the fluid introduced by the second inlet (10), the second outlet (12) and the first inlet (9) are both communicated with the heat conducting tube (5), and the second inlet (10) and the first outlet (11) are both communicated with the heat exchanging area (8).

4. A heat exchanger according to claim 3, wherein the second fluid inlet and outlet group comprises a third inlet (13), a fourth inlet (14), a third outlet (15) and a fourth outlet (16), the third inlet (13) and the fourth inlet (14) are sequentially connected from left to right to the lower part of one end of the housing (1), the third outlet (15) and the fourth outlet (16) are sequentially connected from left to right to the lower part of the other end of the housing (1), the temperature of the fluid introduced by the third inlet (13) is higher than the temperature of the fluid introduced by the fourth inlet (14), the fourth outlet (16) and the third inlet (13) are both communicated with the heat conducting tube (5), and the fourth inlet (14) and the third outlet (15) are both communicated with the heat exchanging area (8).

5. A heat exchanger according to claim 4, wherein the baffle plate (6) is an arc plate, the middle part of the baffle plate is recessed from left to right, the second inlet (10) and the fourth inlet (14) are respectively provided with one-way valves, and the first outlet (11), the third outlet (15), the second outlet (12) and the fourth outlet (16) are respectively connected with an accelerating pump.

6. A heat exchanger according to claim 4, wherein a first pressure sensor (17) is connected to the left side of the baffle (6) in the first chamber (3) near the first outlet (11); a second pressure sensor (18) is connected to the left side of the baffle plate (6) near the third outlet (15) in the second chamber (4).

7. A heat exchanger according to claim 6, wherein a first electromagnetic switch electrically connected to the first pressure sensor (17) is provided in the first outlet (11), and a second electromagnetic switch electrically connected to the second pressure sensor (18) is provided in the third outlet (15).

8. A heat exchanger according to claim 7, wherein a first temperature sensor (19) electrically connected to the first electromagnetic switch is connected to the inner wall of the housing (1) in the first chamber (3) near the first pressure sensor (17); in the second chamber (4), a second temperature sensor (20) electrically connected with the second electromagnetic switch is connected to the inner wall of the housing (1) close to the second pressure sensor (18).

9. The heat exchanger according to any one of claims 1 to 8, wherein the lifting support comprises a bottom cylinder (21) and a connecting column (22) movably connected in the bottom cylinder (21), a connecting ring (23) is arranged at the top of the bottom cylinder (21), a plurality of connecting holes are formed in the connecting column (22), a limiting ring (24) is sleeved outside the connecting column (22), the cross section of the limiting ring (24) is L-shaped, the lower surface of the limiting ring (24) is abutted to the connecting ring (23), the side wall of the limiting ring (24) is connected with the connecting holes through bolts, an auxiliary opening (25) is formed in the bottom of the side wall of the bottom cylinder (21), a supporting block is arranged in the bottom cylinder (21), and the auxiliary opening (25) is used for placing the supporting block into the bottom cylinder (21).

10. A gas-source heat pump comprising a heat exchanger according to any one of claims 2 to 9.

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