CN218895703U - Pipe sleeve type heat exchanger and heat exchange system - Google Patents

Pipe sleeve type heat exchanger and heat exchange system Download PDF

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Publication number
CN218895703U
CN218895703U CN202223204975.5U CN202223204975U CN218895703U CN 218895703 U CN218895703 U CN 218895703U CN 202223204975 U CN202223204975 U CN 202223204975U CN 218895703 U CN218895703 U CN 218895703U
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China
Prior art keywords
tube
heat exchanger
water leakage
leakage detection
refrigerant
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CN202223204975.5U
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Chinese (zh)
Inventor
刘爱军
邓伟彬
邵代波
张勇
袁明征
李孜
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Abstract

The utility model provides a pipe sleeve type heat exchanger, which comprises a refrigerant pipe, a fluid pipe and a water leakage detection assembly, wherein a liquid storage cavity for accommodating a refrigerant is formed between the inner wall surface of the refrigerant pipe and the outer wall surface of the fluid pipe, the water leakage detection assembly comprises a water leakage detection head, and at least one part of the water leakage detection head is immersed in the refrigerant in the liquid storage cavity. The utility model also provides a heat exchange system, which comprises the pipe sleeve type heat exchanger. The pipe sleeve type heat exchanger and the heat exchange system provided by the utility model can solve the problem that the pipe sleeve type heat exchanger in the prior art lacks the function of liquid leakage detection.

Description

Pipe sleeve type heat exchanger and heat exchange system
Technical Field
The utility model relates to the technical field related to heat exchange equipment, in particular to a tube-in-tube heat exchanger and a heat exchange system.
Background
The air-source heat pump water heater unit is widely used along with the aim of carbon neutralization, the most commonly used double pipe heat exchanger is one of key components of the air-source heat pump water heater, in the use process, the inside of the double pipe heat exchanger is frozen due to water quality corrosion problems and the quality problems of the double pipe heat exchanger, abnormal use, leakage of the inside of the double pipe heat exchanger is caused, the water side is communicated with the refrigerant side, water enters into each component of a refrigerant system, the whole machine is damaged, the refrigerant system of the unit is usually required to be replaced by a compressor, a vapor-liquid separator, an electronic expansion valve and other basically all components, the refrigerant system is required to dry water, and the maintenance cost is high.
From the above, the conventional tube-in-tube heat exchanger has a problem of lacking a liquid leakage detection function.
Disclosure of Invention
The utility model mainly aims to provide a pipe sleeve type heat exchanger and a heat exchange system, which are used for solving the problem that the pipe sleeve type heat exchanger in the prior art lacks the function of liquid leakage detection.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a tube-in-tube heat exchanger including a refrigerant tube; a liquid storage cavity for accommodating the refrigerant is formed between the inner wall surface of the refrigerant pipe and the outer wall surface of the fluid pipe; the water leakage detection assembly comprises a water leakage detection head, and at least one part of the water leakage detection head is immersed in the refrigerant in the liquid storage cavity.
Further, at least one water leakage detection head is arranged, and the water leakage detection head is an electrode head.
Further, the water leakage detection assembly comprises a sleeve, and a first end of the sleeve is communicated with the liquid storage cavity; the plug, leak and detect the head and install on the plug, the plug is connected with the sleeve pipe and shutoff sleeve pipe's second end's opening, and plug and sleeve pipe enclose into the installation cavity, leak and detect the inside that the first end of head stretches into installation cavity and/or stock solution chamber.
Further, the sleeve is clamped with the plug or connected with the plug through threads or through a fastener; and/or the plug is provided with an extending section and an abutting section, wherein the extending section extends into the sleeve, and the abutting section abuts against the end face of the second end of the sleeve.
Further, the tube-in-tube heat exchanger further comprises at least one seal member disposed between the run-in section and the inner wall surface of the tube; and/or at least one seal is provided between the abutment section and an end face of the second end of the sleeve.
Further, the refrigerant pipe comprises a main body section and a connecting section arranged at the end part of the main body section, and a sleeve of the water leakage detection assembly is connected to the connecting section, wherein the main body section is in a coil-shaped structure; and/or the connecting section is a metal tube.
Further, the refrigerant pipe includes main part section and sets up the linkage segment at the tip of main part section, and leak water detection assembly's sleeve pipe is connected on the linkage segment, wherein, is provided with the via hole with the stock solution chamber intercommunication on the linkage segment, sheathed tube first end is connected with the pore wall of via hole.
Further, the via hole is a flanging hole, and the first end of the sleeve is connected with the inner wall surface or the outer wall surface of the flanging hole.
Further, the refrigerant pipe includes the main part section, is provided with the via hole on the main part section, and the pipe box heat exchanger still includes the installation pipe, and the installation pipe box is established on the at least partial region in the outside of refrigerant pipe, has the installation passageway on the installation pipe, along the extending direction of installation passageway, the inside of the region of via hole, the sleeve pipe of leak detection subassembly is connected on the installation pipe.
Further, the two water leakage detection heads are arranged, the pipe sleeve type heat exchanger further comprises two conductive wires, and one ends of the two conductive wires are respectively and electrically connected with the two water leakage detection heads; and the second ends of the two conductive wires are electrically connected with the controller.
Further, one or more water leakage detection assemblies are arranged, and at least the liquid outlet side of the refrigerant pipe is provided with the water leakage detection assemblies; or the liquid outlet side of the refrigerant pipe and the liquid inlet side of the refrigerant pipe are both provided with water leakage detection assemblies.
Further, the tube-in-tube heat exchanger also comprises a controller, and the controller is electrically connected with the water leakage detection assembly; the two switch structures are respectively arranged at the liquid inlet end and the liquid outlet end of the refrigerant pipe, and are electrically connected with the controller.
Further, the switch structure is an electromagnetic valve or the switch structure is an electronic expansion valve or one of the switch structures is an electromagnetic valve, and the other switch structure is an electronic expansion valve.
According to another aspect of the present utility model, there is provided a heat exchange system comprising the above tube-in-tube heat exchanger.
By applying the technical scheme of the utility model, the tube-in-tube heat exchanger comprises a refrigerant tube, a fluid tube and a water leakage detection assembly, wherein a liquid storage cavity for accommodating a refrigerant is formed between the inner wall surface of the refrigerant tube and the outer wall surface of the fluid tube, the water leakage detection assembly comprises a water leakage detection head, and at least one part of the water leakage detection head is immersed in the refrigerant in the liquid storage cavity.
From the above, the pipe sleeve type heat exchanger adopts the technical means of setting up the detection subassembly that leaks, detects the inside of stock solution chamber through the detection head that leaks to after the inside fluid of fluid pipe leaks the inside of stock solution chamber, the detection head that submerges in the refrigerant realizes detecting function, has realized detecting the fluid pipe through setting up the detection subassembly that leaks and has had the problem of leaking, can't be known after avoiding appearing the fluid pipe weeping and lead to appearing influencing the problem of refrigerant system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 shows a schematic perspective view of a tube-in-tube heat exchanger according to the utility model;
fig. 2 shows a front view of a tube-in-tube heat exchanger of the present utility model;
FIG. 3 shows an enlarged view at A in FIG. 2;
fig. 4 shows a schematic diagram of the connection of the heat exchange system of the present utility model.
Wherein the above figures include the following reference numerals:
10. a refrigerant pipe; 101. a liquid storage cavity; 110. a main body section; 120. a connection section; 20. a fluid pipe; 30. a water leakage detection assembly; 310. a sleeve; 311. a mounting cavity; 320. a plug; 330. a water leakage detection head; 40. a switch structure; 50. an expansion valve; 60. an evaporator; 70. a compressor.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.
Example 1
The utility model provides a pipe sleeve type heat exchanger in order to solve the problem that the pipe sleeve type heat exchanger in the prior art lacks the function of liquid leakage detection. The tube-in-tube heat exchanger can be used in the industrial field as well as the household field.
As shown in fig. 1 to 3, the tube-in-tube heat exchanger includes a refrigerant tube 10, a fluid tube 20, and a water leakage detection assembly 30, a liquid storage chamber 101 for accommodating a refrigerant is formed between an inner wall surface of the refrigerant tube 10 and an outer wall surface of the fluid tube 20, the water leakage detection assembly 30 includes a water leakage detection head 330, and at least a portion of the water leakage detection head 330 is immersed in the refrigerant in the liquid storage chamber 101.
Specifically, the pipe-in-pipe heat exchanger adopts the technical means of setting up the detection subassembly 30 that leaks, detects the inside of stock solution chamber 101 through leaking detection head 330 to after the inside fluid of fluid pipe 20 leaks the inside of stock solution chamber 101, the detection function is realized to the detection head that submerges in the refrigerant, has realized detecting the problem that fluid pipe 20 has leaking through setting up the detection subassembly 30 that leaks, avoids appearing that unable being known after the fluid pipe 20 leaks leads to appearing influencing the problem of refrigerant system.
Further, the refrigerant in the refrigerant pipe 10 is a non-conductive body, and the water leakage detection head 330 is non-conductive when immersed in the refrigerant; when water in the fluid pipe 20 flows into the refrigerant pipe 10, the water leakage detection head 330 is in a conducting state due to the water level conductor, and the water leakage detection head 330 in the conducting state sends an electric signal to the controller so as to achieve the effect of water leakage detection.
The coolant may be a non-conductive coolant such as freon.
In the present embodiment, at least one water leakage detecting head 330 is provided, and the water leakage detecting head 330 is an electrode head. When two electrode heads are arranged, the two electrode heads are arranged at intervals and immersed in the refrigerant, and when water in the fluid pipe 20 does not leak into the refrigerant, an open circuit is formed between the two electrode heads arranged at intervals; when water leaks into the refrigerant, the two electrode heads form a passage under the conduction action of the water. The electrode tip may be a metal sheet, for example, the electrode tip is a copper sheet.
As shown in fig. 1 to 3, the water leakage detecting assembly 30 includes a sleeve 310 and a plug 320, a first end of the sleeve 310 communicates with the liquid storage chamber 101, the water leakage detecting head 330 is mounted on the plug 320, the plug 320 is connected with the sleeve 310 and seals an opening of a second end of the sleeve 310, the plug 320 and the sleeve 310 enclose a mounting chamber 311, and the first end of the water leakage detecting head 330 extends into the mounting chamber 311 and/or the liquid storage chamber 101.
Specifically, the first end of the sleeve 310 is communicated with the liquid storage cavity 101 so that the refrigerant can enter the interior of the sleeve 310, the second end of the sleeve 310 is plugged by the plug 320 to avoid refrigerant leakage, the water leakage detection head 330 can be located in the interior of the refrigerant of the installation cavity 311, the water leakage detection head 330 can also directly penetrate through the outer wall of the refrigerant pipe 10 to extend into the interior of the liquid storage cavity 101, and of course, the water leakage detection head 330 can also extend into the interior of the liquid storage cavity 101 through the installation cavity 311 when the water leakage detection head 330 is long enough, so that a part of the water leakage detection head 330 is located in the installation cavity 311 and a part of the water leakage detection head 330 is located in the liquid storage cavity 101.
Further, the electrode tip is fixed on the plug 320 by a plastic packaging process, so as to improve the stability of the electrode tip installation.
Further, the plug 320 has an extending section extending into the interior of the sleeve 310 and an abutting section abutting against an end face of the second end of the sleeve 310. The outer wall surface of stretching into the section and the inner wall surface laminating setting of sleeve pipe 310, the terminal surface butt of butt section and sleeve pipe 310 second end, butt section and stretching into section complex mode have realized good shutoff sleeve pipe 310 second end open-ended effect.
Wherein, the end surface department that the butt section and the section of stretching into are connected forms the butt face, and the butt face is in butt with the terminal surface of the second end of sleeve pipe 310, adopts the face-to-face contact to improve the leakproofness of shutoff.
In order to further improve the sealing effect, the tube-in-tube heat exchanger further comprises at least one sealing element, and the following three embodiments are provided according to the positions where the sealing elements are arranged.
In a specific embodiment, the seal may be disposed between the run-in section and the inner wall surface of the sleeve 310, and at least one seal is disposed between the run-in section and the inner wall surface of the sleeve 310, and when a plurality of seals are disposed, the plurality of seals are disposed at intervals along the extending direction of the run-in section.
In another specific embodiment, a seal is provided between the abutment section and the end face of the second end of the sleeve 310, i.e. the seal is provided between the abutment face and the end face of the second end of the sleeve 310.
In another specific embodiment, the seals are provided between the projecting section and the inner wall surface of the sleeve 310, between the abutment section and the end surface of the second end of the sleeve 310, respectively, i.e. the seals are provided between the abutment surface and the end surface of the second end of the sleeve 310.
It should be noted that the connection manner of the plug 320 and the sleeve 310 in the present application is not limited to the above-mentioned plug connection, and may be a snap connection, a screw connection, or a connection by a fastener. Wherein the fastener may be a screw.
As shown in fig. 1 to 3, the refrigerant pipe 10 includes a main body section 110 and a connection section 120 provided at an end of the main body section 110, and a sleeve 310 of the water leakage detection assembly 30 is connected to the connection section 120.
The main body section 110 is in a coil-shaped structure, the connecting section 120 is a metal tube, for example, the connecting tube is in a steel structure, and the connecting section 120 and the main body section 110 are connected by adopting a welding method.
Further, the connecting section 120 is provided with a via hole communicated with the liquid storage cavity 101, and the first end of the sleeve 310 is connected with the wall of the via hole, so as to realize the communication between the sleeve 310 and the liquid storage cavity 101, and further realize that the refrigerant can enter into the installation cavity 311.
Further, the via hole is a burring hole, and the first end of the sleeve 310 is connected to an inner wall surface or an outer wall surface of the burring hole. Wherein. The flanging hole is formed by stamping through a flanging stamping process, namely the flanging hole is flanged outwards along the opening direction of the through hole from a part of the pipe wall of the refrigerant pipe 10, a convex ring structure extending towards the direction far away from the refrigerant pipe 10 is formed through flanging, and the first end of the sleeve 310 is connected with the inner wall surface of the convex ring structure or the outer wall surface of the convex ring structure.
In this embodiment, the number of the water leakage detection heads 330 is two, the tube-in-tube heat exchanger further includes two conductive wires and a controller, one ends of the two conductive wires are respectively electrically connected with the two water leakage detection heads 330, and the second ends of the two conductive wires are electrically connected with the controller.
The electrode heads are electrically connected with the controller through conductive wires so as to realize the transmission of electric signals to the controller after the two electrode heads are conducted.
Further, the tube-in-tube heat exchanger further comprises two switch structures 40, the two switch structures 40 are respectively arranged at the liquid inlet end and the liquid outlet end of the refrigerant tube 10, and the switch structures 40 are electrically connected with the controller. After the controller receives the electric signal of the water leakage detection head 330, the controller cuts off the flow of the refrigerant and the external pipeline by controlling the switch structure 40 to be powered off, so as to prevent water leaked into the refrigerant from affecting other electric devices.
It should be noted that the switch structure 40 is disposed on a side of the water leakage detecting assembly 30 facing away from the main body section 110.
Further, the switch structure 40 may be a solenoid valve or an electronic expansion valve, and of course, one of the switch structures 40 may be a solenoid valve and the other may be an electronic expansion valve.
In this embodiment, one or more water leakage detecting components 30 are provided, and at least the liquid outlet side of the refrigerant pipe 10 is provided with a water leakage detecting component 30 to detect whether there is leaked water in the refrigerant when the refrigerant flows out.
Of course, in order to further enhance the accuracy and comprehensiveness of the detection, it is also possible that both the liquid outlet side of the refrigerant pipe 10 and the liquid inlet side of the refrigerant pipe 10 are provided with the water leakage detection assembly 30.
In a specific implementation of this embodiment, the refrigerant tube 10 includes a main body section 110, a via hole is provided on the main body section 110, the tube-in-tube heat exchanger further includes a mounting tube, a mounting sleeve 310 is provided on at least a partial area of the outer side of the refrigerant tube 10, the mounting tube has a mounting channel thereon, the via hole is located inside the area of the mounting channel along the extending direction of the mounting channel, and the sleeve 310 of the water leakage detection assembly 30 is connected to the mounting tube
Specifically, in order to facilitate the installation of the water leakage detection assembly 30 on the main body section 110 of the refrigerant pipe 10, an installation pipe is adopted, an installation channel on the installation pipe is aligned with the via hole, and the installation of the sleeve 310 of the water leakage detection assembly 30 is realized through the installation channel.
Further, in order to ensure that the refrigerant enters the inside of the mounting cavity 311 through the hole, no leakage occurs, the through hole of the present application is located in the inside of the area of the mounting channel, and the refrigerant enters the inside of the sleeve 310 after entering the inside of the area of the channel through the through hole.
Further, the sleeve 310 is connected to the inner wall surface or the outer wall surface of the installation channel by a screw connection, a fastening connection, a welding connection when the sleeve 310 is made of metal, an adhesive connection, or the like.
In the present embodiment, the water leakage detecting assembly 30 provided on the main body section 110 may be one or more, and when the water leakage detecting assembly 30 is provided in plurality, the plurality of water leakage detecting assemblies 30 are disposed at intervals along the extending direction of the main body section 110.
It should be noted that, when the fluid pipe 20 leaks in the use process of the pipe-in-pipe heat exchanger, the liquid in the fluid pipe 20 of the pipe-in-pipe heat exchanger enters the liquid storage cavity 101, the first conductive member and the second conductive member of the water leakage detection assembly 30 are conducted, the water leakage detection assembly 30 sends an electrical signal to the controller, and the controller of the pipe-in-pipe heat exchanger controls the electromagnetic valve to be powered off so that the electromagnetic valve is in a closed state; when the fluid pipe 20 is watertight, the liquid in the fluid pipe 20 of the pipe sleeve type heat exchanger does not enter the liquid storage cavity 101, the first conductive piece and the second conductive piece of the water leakage detection assembly 30 are not conducted, the water leakage detection assembly 30 does not send an electric signal to the controller, and the controller controls the electromagnetic valve to be electrified so that the electromagnetic valve is in an open state.
Example 2
As shown in fig. 4, the present embodiment provides a heat exchange system including the tube-in-tube heat exchanger of embodiment 1.
Specifically, the heat exchange system further comprises a conveying pipeline, one end of the conveying pipeline is communicated with the liquid outlet end of the refrigerant pipe 10 of the tubular heat exchanger, and the other end of the conveying pipeline is communicated with the liquid inlet end of the refrigerant pipe 10 of the tubular heat exchanger.
Further, the heat exchange system further includes an expansion valve 50, an evaporator 60, and a compressor 70 disposed in the transfer pipe in this order.
In the present embodiment, a filter is further provided between the sleeve 310 type heat exchanger and the evaporator 60 to achieve a filtering effect.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
the pipe-in-pipe heat exchanger adopts the technical means of setting up the detection subassembly 30 that leaks, detects the inside of stock solution chamber 101 through leaking detection head 330 to after the inside of fluid pipe 20 leaks the inside of stock solution chamber 101, the detection function is realized to the detection head that submerges in the refrigerant, has realized detecting the problem that fluid pipe 20 has leaking through setting up the detection subassembly 30 that leaks, can't be known after avoiding appearing the fluid pipe 20 weeping and lead to appearing influencing the problem of refrigerant system.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (14)

1. A tube-in-tube heat exchanger, comprising:
a refrigerant pipe (10);
a fluid pipe (20), wherein a liquid storage cavity (101) for accommodating a refrigerant is formed between the inner wall surface of the refrigerant pipe (10) and the outer wall surface of the fluid pipe (20);
a water leakage detection assembly (30), wherein the water leakage detection assembly (30) comprises a water leakage detection head (330), and at least one part of the water leakage detection head (330) is immersed in the refrigerant in the liquid storage cavity (101).
2. The tube-in-tube heat exchanger according to claim 1, wherein at least one of the water leakage detection heads (330) is an electrode tip, and the water leakage detection heads (330) are electrode tips.
3. The tube-in-tube heat exchanger according to claim 1, wherein the water leakage detection assembly (30) comprises:
a cannula (310), a first end of the cannula (310) being in communication with the reservoir (101);
the plug (320), leak detection head (330) install on plug (320), plug (320) with sleeve pipe (310) are connected and shutoff the opening of the second end of sleeve pipe (310), plug (320) with sleeve pipe (310) enclose into installation cavity (311), leak detection head (330) first end stretch into installation cavity (311) and/or the inside of stock solution chamber (101).
4. A tube-in-tube heat exchanger as claimed in claim 3, wherein,
the sleeve (310) is clamped or connected with the plug (320) in a threaded manner or connected through a fastener; and/or
The plug (320) has an insertion section that protrudes into the interior of the sleeve (310) and an abutment section that abuts an end face of the second end of the sleeve (310).
5. The tube-in-tube heat exchanger of claim 4 wherein the tube-in-tube heat exchanger further comprises at least one seal,
at least one of the seals is disposed between the run-in section and an inner wall surface of the sleeve (310); and/or
At least one of the seals is disposed between the abutment section and an end face of the second end of the sleeve (310).
6. The tube-in-tube heat exchanger according to claim 1, wherein the refrigerant tube (10) comprises a main body section (110) and a connection section (120) provided at an end of the main body section (110), the tube (310) of the water leakage detection assembly (30) being connected to the connection section (120), wherein,
the main body section (110) is in a coil-shaped structure; and/or
The connecting section (120) is a metal tube.
7. The tube-in-tube heat exchanger according to claim 1, wherein the refrigerant tube (10) comprises a main body section (110) and a connecting section (120) arranged at the end part of the main body section (110), the tube (310) of the water leakage detection assembly (30) is connected to the connecting section (120), wherein a through hole communicated with the liquid storage cavity (101) is arranged on the connecting section (120), and the first end of the tube (310) is connected with the wall of the through hole.
8. The tube-in-tube heat exchanger according to claim 7, wherein the via hole is a burring hole, and the first end of the sleeve (310) is connected to an inner wall surface or an outer wall surface of the burring hole.
9. The tube-in-tube heat exchanger according to claim 1, wherein the refrigerant tube (10) comprises a main body section (110), wherein a through hole is provided in the main body section (110), the tube-in-tube heat exchanger further comprises a mounting tube, wherein the mounting tube is sleeved on at least a partial area of the outer side of the refrigerant tube (10), the mounting tube is provided with a mounting channel, the through hole is positioned in the inner part of the area of the mounting channel along the extending direction of the mounting channel, and the sleeve (310) of the water leakage detection assembly (30) is connected to the mounting tube.
10. The tube-in-tube heat exchanger according to any one of claims 1 to 9, wherein the water leakage detection heads (330) are two, the tube-in-tube heat exchanger further comprising:
one end of each of the two conductive wires is electrically connected with the two water leakage detection heads (330);
and the second ends of the two conductive wires are electrically connected with the controller.
11. Tube-in-tube heat exchanger according to any one of claims 1 to 9, wherein the water leakage detection assembly (30) is one or more,
at least the liquid outlet side of the refrigerant pipe (10) is provided with the water leakage detection assembly (30); or alternatively
The liquid outlet side of the refrigerant pipe (10) and the liquid inlet side of the refrigerant pipe (10) are both provided with the water leakage detection assembly (30).
12. The tube-in-tube heat exchanger according to any one of claims 1 to 9, further comprising:
the controller is electrically connected with the water leakage detection assembly (30);
the two switch structures (40) are respectively arranged at the liquid inlet end and the liquid outlet end of the refrigerant pipe (10), and the switch structures (40) are electrically connected with the controller.
13. The tube-in-tube heat exchanger of claim 12 wherein the heat exchanger is configured to heat the heat exchanger,
the switch structure (40) is an electromagnetic valve; or alternatively
The switch structure (40) is an electronic expansion valve; or alternatively
One of the switch structures (40) is an electromagnetic valve, and the other switch structure (40) is an electronic expansion valve.
14. A heat exchange system, characterized in that it comprises a tube-in-tube heat exchanger according to any one of claims 1 to 13.
CN202223204975.5U 2022-11-29 2022-11-29 Pipe sleeve type heat exchanger and heat exchange system Active CN218895703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223204975.5U CN218895703U (en) 2022-11-29 2022-11-29 Pipe sleeve type heat exchanger and heat exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223204975.5U CN218895703U (en) 2022-11-29 2022-11-29 Pipe sleeve type heat exchanger and heat exchange system

Publications (1)

Publication Number Publication Date
CN218895703U true CN218895703U (en) 2023-04-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223204975.5U Active CN218895703U (en) 2022-11-29 2022-11-29 Pipe sleeve type heat exchanger and heat exchange system

Country Status (1)

Country Link
CN (1) CN218895703U (en)

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