CN212987520U - Full heat exchanger - Google Patents
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- CN212987520U CN212987520U CN202021859979.5U CN202021859979U CN212987520U CN 212987520 U CN212987520 U CN 212987520U CN 202021859979 U CN202021859979 U CN 202021859979U CN 212987520 U CN212987520 U CN 212987520U
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Abstract
The utility model discloses a total heat exchanger, include: a housing provided with: a first air intake part communicated with the outdoor space; the first exhaust part is communicated with the indoor space, and an air inlet flow channel is formed between the first exhaust part and the first air inlet part; a second air intake part communicated with the indoor space; a second exhaust part communicated with the outdoor space and forming an exhaust flow passage with the second air inlet part; the axial flow air inlet devices are positioned on the air inlet flow channel and are provided with an even number, the adjacent 2 axial flow air inlet devices are oppositely arranged, and the rotating directions of the blades of the corresponding impellers are opposite; the exhaust device is positioned on the exhaust flow channel; the first filter element is positioned on the air inlet flow channel and is used for filtering the air flow entering the room; and the heat exchanger is arranged between the first air inlet part and the axial flow air inlet device and is used for exchanging heat with air flow entering from the outdoor space. Through the utility model provides a problem that the efficiency of taking a breath that full heat exchanger exists is low and the noise is big among the prior art.
Description
Technical Field
The utility model relates to a new fan technical field especially relates to an improvement of total heat exchanger structure.
Background
Along with people's standard of living's constantly improving, the user is more and more high to the healthy problem attention of room air, and the market is more and more to new trend demand, in order to satisfy user's demand, has appeared the user demand of various total heat exchanger structure in order to satisfy the user on the market, and current total heat exchanger structure mainly including: when the air conditioner is used, the centrifugal fan and the heat exchanger are arranged in the shell, and when the air conditioner works, air flow is sucked from the outdoor air inlet and then discharged out of a room after passing through the heat exchanger through the operation of the centrifugal fan,
however, the total heat exchanger mostly adopts a centrifugal wind wheel to supply air, the air supply form is single, and the size of the whole total heat exchanger is limited, so that the diameter of the centrifugal wind wheel assembled in the shell is smaller, the air exchange efficiency is low, in order to meet the basic air exchange efficiency of a user, the total heat exchanger needs to be realized by increasing the rotating speed of the centrifugal fan when in operation, the rotating speed of the centrifugal fan is increased, the noise value of the whole total heat exchanger is increased, more and more complaints are made on noise by the user, and the satisfaction degree is poor.
SUMMERY OF THE UTILITY MODEL
For the problem that the efficiency of taking a breath that solves full heat exchanger existence among the prior art is low and the noise is big, the utility model provides a new full heat exchanger structure can guarantee to produce less noise under the prerequisite of higher efficiency of taking a breath.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a total heat exchanger, include: a housing on which are disposed:
a first air intake part communicated with the outdoor space;
a first exhaust part communicated with the indoor space and having an intake runner formed therebetween;
a second air intake part communicated with the indoor space;
a second discharge portion communicating with an outdoor space and forming a discharge flow passage with the second intake portion, the discharge flow passage and the intake flow passage being arranged in parallel in the housing;
the axial flow air inlet devices are positioned on the air inlet flow channel and are provided with an even number, 2 adjacent axial flow air inlet devices are oppositely arranged, and the rotating directions of the blades of the corresponding impellers are opposite;
the exhaust device is positioned on the exhaust flow channel;
a first filter element located on the intake runner for filtering the airflow into the chamber;
and the heat exchanger is arranged between the first air inlet part and the axial flow air inlet device and is used for exchanging heat with air flow entering from an outdoor space.
In some embodiments of the present application, the exhaust devices are axial flow exhaust devices, and there are an even number of the exhaust devices, and 2 adjacent axial flow exhaust devices are oppositely disposed and the rotation directions of the blades of the corresponding impellers are opposite.
In some embodiments of the present application, the total heat exchanger further comprises:
and a second filter element positioned on the exhaust flow passage for filtering the air flow discharged to the outside.
In some embodiments of the present application, the second filter element is disposed between the axial flow exhaust device and the second air intake or between the axial flow exhaust device and the second exhaust.
In some embodiments of the present application, the first filter element is disposed between the heat exchanger and the first intake portion, between the heat exchanger and the axial flow air intake device, or between the axial flow air intake device and the first exhaust portion.
In some embodiments of the present application, the total heat exchanger further includes an air intake guide member, an air intake guide cavity is formed inside the air intake guide member, the axial flow air intake device is disposed in the air intake guide cavity, and a gap exists between adjacent axial flow air intake devices.
In some embodiments of the present application, the total heat exchanger further includes an exhaust guide member, an exhaust guide cavity is formed inside the exhaust guide member, the axial flow exhaust devices are disposed in the exhaust guide cavity, and a space exists between adjacent axial flow exhaust devices.
In some embodiments of the present application, an inlet of the intake guide chamber faces the heat exchanger, and an outlet of the intake guide chamber and the first exhaust portion are correspondingly disposed.
In some embodiments of the present application, the total heat exchanger further comprises: a partition member vertically provided on the housing and dividing the housing into a first accommodating space in which the axial flow air intake device and the air intake duct are provided and a second accommodating space in which the exhaust device and the exhaust duct are provided, the first air intake portion being provided on a housing wall opposite to an air intake port of the axial flow air intake device, the first exhaust portion being provided on a housing wall opposite to the first air intake portion; the second air inlet portion is disposed on a housing wall opposite to an air inlet of the exhaust device, and the second exhaust portion is disposed on a housing wall opposite to the second air inlet portion.
In some embodiments of the present application, a heat-accumulating and insulating layer is sprayed on the inner side and the outer side of the heat exchanger, and a damping layer is sprayed on the outer side of the casing.
The technical scheme of the utility model prior art relatively has following technological effect:
the utility model provides a total heat exchanger, axial flow air intake devices are arranged in a shell, and an even number of axial flow air intake devices are arranged, so that 2 adjacent axial flow air intake devices are arranged in a disrotatory mode, that is, the vane rotating directions of the vanes of the impellers between the adjacent axial flow air inlet devices are opposite, so that when the axial flow air inlet devices work, air can firstly flow into the impeller of the first axial flow air inlet device to obtain energy, then the impeller flowing through the second axial flow air inlet device further does work and is discharged outwards, the wind pressure and the air supply capacity are improved through the supercharging effect of 2 impellers, simultaneously, because the rotating directions of the 2 impellers are opposite, when the airflow spirally flows out from the first impeller, the airflow is reversed under the action of the second impeller, and finally, the airflow basically and completely flows out along the axial direction of the axial flow air inlet device, so that the air supply efficiency is improved, and the air exchange efficiency is further improved.
Meanwhile, the overall noise value is reduced by adopting the mode of matching the double-axial-flow air supply device on the premise of ensuring the air exchange efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of a total heat exchanger according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a total heat exchanger according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the internal structure of a total heat exchanger according to an embodiment of the present invention;
fig. 4 is a structural diagram of the cooperation between the intake guide component and the axial flow air intake device in the total heat exchanger according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting 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. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The utility model provides an embodiment of total heat exchanger, as shown with reference to fig. 1-4, include: casing 100 is formed with in casing 100 inside and holds the cavity, and casing 100 can directly choose for use metal material when setting up, and casing 100 can set up into the cuboid, connects gradually through six curb plates and encloses into the cuboid.
The spraying has the damping layer on casing 100's surface, and the damping layer can be the polymer resin coating, and polyurethane coating or pitch etc. have the damping characteristic the coating can, can shelter from the joint gap between each curb plate of casing 100 on the one hand, improve casing 100's leakproofness, on the other hand can play certain damping vibration/noise reduction's effect through the setting on damping layer.
The housing 100 is provided with:
a first air inlet portion 110 communicated with the outdoor space, in some embodiments of the present application, the first air inlet portion 110 is a first air inlet provided on the casing 100, and outdoor air can enter the inside of the casing 100 through the first air inlet.
The first exhaust portion 120 is communicated with the indoor space, and an intake duct is formed between the first exhaust portion 120 and the first intake portion 110, in some embodiments, the first exhaust portion 120 is a first exhaust opening formed on the housing 100, the first exhaust opening and the first intake opening are oppositely arranged, the intake duct is correspondingly formed between the first intake portion 110 and the first exhaust portion 120, and outdoor airflow can enter through the first intake portion 110 and can be discharged to the indoor space from the first exhaust portion 120 after flowing through the intake ducts of the first intake portion 110 and the first intake opening.
And a second air inlet 130 communicating with the indoor space, the second air inlet 130 corresponding to a second air inlet for delivering the indoor air flow to the outside.
A second discharge part 140 communicating with an outdoor space and forming a discharge flow passage with the second intake part 130, the discharge flow passage and the intake flow passage being arranged in parallel in the case 100; the second exhaust part 140 may correspond to a second exhaust port, which is located opposite to the second intake part 130.
In addition, the intake runner and the exhaust runner in this embodiment are arranged in parallel in the housing 100, so that the airflow can flow through the intake runner and the exhaust runner respectively, the intake runner and the exhaust runner do not interfere with each other, and the problem of low ventilation efficiency caused by airflow turbulence is avoided.
The axial flow air inlet devices 200 are positioned on the air inlet flow channel and are provided with an even number, 2 adjacent axial flow air inlet devices 200 are oppositely arranged, and the rotating directions of the blades of the corresponding impellers are opposite. The axial flow air inlet device 200 structurally comprises an impeller and an axial flow air inlet motor connected with the impeller, and the impeller is driven to rotate by the axial flow air inlet motor.
The axial flow air intake device 200 in this embodiment adopts a counter-rotating mode, which means that the rotating directions of the blades of the impellers of the two axial flow air intake devices 200 are opposite. When installed, one impeller is mounted behind the other, with the 2 impellers turning in opposite directions to each other. The two impellers are respectively driven by axial flow air inlet motors with the same capacity and the same model. And when viewed from the air inlet, the first impeller rotates clockwise, and the second impeller rotates anticlockwise.
When the total heat exchanger 500 operates, the airflow can enter the first axial flow air inlet device 200 through the first air inlet part 110 under the action of the axial flow air inlet device 200, and is pressurized and blown out through the action of the blades of the first impeller, at the moment, the airflow directly enters the blades of the second impeller, and is discharged through the further pressurization action of the blades in the second impeller, the airflow is pressurized for 2 times, the air pressure is increased, and the airflow flow is increased.
Meanwhile, because the rotation directions of the 2 impeller blades are opposite, the airflow blown out from the first impeller enters the second impeller and then reverses the flow direction of the airflow through the reverse rotation action of the second impeller, so that most of the airflow is discharged outwards along the axial direction of the axial flow air inlet device 200, and the air supply efficiency and the heat exchange efficiency are improved.
When the axial flow air intake device 200 in this embodiment is disposed, at least 2 axial flow air intake devices are disposed, and certainly, 4 axial flow air intake devices, 6 axial flow air intake devices, and the like may be disposed correspondingly according to actual heat exchange efficiency needs, which is not particularly limited herein.
And the exhaust devices are positioned on the exhaust flow channel, in some embodiments, the exhaust devices are axial flow exhaust devices, the number of the axial flow exhaust devices is even, the 2 adjacent axial flow exhaust devices are oppositely arranged, and the rotating directions of the blades of the corresponding impellers are opposite.
The axial-flow exhaust device is also selected for use as the exhaust device, the axial-flow exhaust device can correspondingly comprise an axial-flow exhaust motor and an axial-flow exhaust impeller connected with the axial-flow exhaust motor, the axial-flow exhaust impeller is driven to rotate by the axial-flow exhaust motor, at least 2 axial-flow exhaust impellers are arranged when the axial-flow exhaust impeller is arranged, and the axial-flow exhaust impeller is arranged in a disrotatory mode when the axial-flow exhaust impeller is arranged in 2 axial-flow exhaust impellers, so that the exhaust air pressure and the exhaust efficiency.
Of course, if there is enough space inside the casing 100 of the total heat exchanger 500, 4 axial flow air exhaust devices or 6 axial flow air exhaust devices may be correspondingly installed during installation, and the air pressure and the air exhaust efficiency are changed by arranging the axial flow air exhaust devices in a contra-rotating manner every 2 axial flow air exhaust devices.
In the total heat exchanger 500 of the embodiment, the axial flow air inlet device 200 is selected and arranged in a contra-rotating manner, so that the air supply efficiency and the air exchange efficiency are improved;
meanwhile, by arranging the axial flow air inlet device 200, the ventilation device can have a smaller noise value on the premise of ensuring the ventilation efficiency, and the use requirement of a user is met.
The first filter element 400 is located on the intake runner and is used for filtering the airflow entering the room, and in some embodiments, the first filter element 400 is a first filter element capable of filtering PM2.5 particles, bacteria and other substances in the air, and the air to be entered into the room is filtered by the first filter element, so as to ensure that the air entered into the indoor internal space is clean and clean air.
The first filtering element can also directly adopt a filtering element which can filter air in the prior art, and the description is omitted here.
The heat exchanger 500 is disposed between the first air intake portion 110 and the axial flow air intake device 200, and is used for exchanging heat with an air flow entering from an outdoor space.
In some embodiments of the present application, the heat exchanger 500 may be connected to a heating device, such as a heater or a heating plate, for directly heating the heat exchanger 500.
In some embodiments, the total heat exchanger 500 of the present application is connected to an air conditioning system for cooling or heating, the air conditioning system includes a refrigerant circulation system, and the heat exchanger 500 is connected to the refrigerant circulation system, and the heating function of the heat exchanger 500 can be realized by a refrigerant in the refrigerant circulation system.
The heat exchanger 500 in this embodiment may be a heat exchanger 500 with a porous structure or a honeycomb structure in the prior art, which is not described herein.
In order to improve the heat exchange performance of the heat exchanger 500 and reduce the loss of heat generated by the heat exchanger 500, in some embodiments, heat storage insulating layers are sprayed on the inner side surface and the outer side surface of the heat exchanger 500, and the heat storage insulating layers can play a role in heat storage and insulation for the heat exchanger 500, so that the heat loss of the heat exchanger 500 is reduced, the heat of the heat exchanger 500 is mainly used for heat exchange, and the heat exchange efficiency is improved.
The heat-storing and insulating layer may be paraffin, expanded graphite, expanded bentonite, etc.
When the total heat exchanger 500 in this embodiment is in use, outdoor air flow can be sucked from the first air inlet 110 through the action of the axial flow air inlet device 200, the sucked air flow can exchange heat through the heat exchanger 500, and is blown to the first air exhaust part 120 through the axial flow air inlet device 200 after being filtered by the first filter element 400, and is exhausted indoors through the first air exhaust part 120, so that the air flow flowing into the indoor is heated and purified, and the heat is provided, and the functions of introducing fresh air and heating are realized.
Indoor air can be sucked from the second air inlet part 130 under the action of the axial flow exhaust device and then is exhausted outwards through the second exhaust part 140, and through the action of the axial flow air inlet device 200 and the axial flow exhaust device, outdoor air and indoor air can continuously and circularly flow, and the cleanness of the indoor air is ensured.
In some embodiments of the present application, the total heat exchanger further comprises:
in order to filter the outdoor air, the second filter element 600 is disposed in the exhaust channel, and the second filter element 600 may also be a second filter element correspondingly selected to filter large particles in the air, and the second filter element may directly adopt a filter element capable of filtering the air in the prior art, which is not limited herein.
In some embodiments of the present application, the second filter element 600 is disposed between the axial flow exhaust device and the second air inlet portion or between the axial flow exhaust device and the second air outlet portion, as long as the second filter element is located on the exhaust air flow channel and can filter air that does not enter the outdoor, and the location thereof is not particularly limited.
In some embodiments of the present application, the first filter element 400 is disposed between the heat exchanger 500 and the first air inlet 110, between the heat exchanger 500 and the axial flow air intake device 200, or between the axial flow air intake device 200 and the first air outlet 120, and likewise, the position of the first filter element 400 in this embodiment is not particularly limited.
In some embodiments of the present application, in order to ensure that the sucked air flow can completely flow to the position of the axial flow air intake device 200 without any flow dissipation loss, the total heat exchanger 500 in this embodiment further includes an air intake guide member 700, an air intake guide cavity is formed inside the air intake guide member 700, a plurality of axial flow air intake devices 200 are disposed in the air intake guide cavity, and a gap exists between adjacent axial flow air intake devices 200.
The intake guide member 700 may be made of a metal material or an ABS material.
The air inlet guide member 700 is configured as an air inlet guide cylinder in some embodiments, the axial flow air intake device 200 is installed inside the air inlet guide cylinder through a mounting frame 910, the mounting frame 910 may be a triangular mounting frame correspondingly, and the mounting frame 910 is connected and fixed on the inner side wall of the air inlet guide cylinder through the support legs. The mounting frame 910 may also be made of metal or ABS material.
In some embodiments of the present application, the total heat exchanger further includes an exhaust guide member 800, an exhaust guide cavity is formed inside the exhaust guide member 800, the axial flow air exhausting devices are disposed in the exhaust guide cavity, and a space exists between adjacent axial flow air exhausting devices. The structure and the installation and fixing manner of the exhaust guide member 800 and the intake guide member 700 are the same, and are not described in detail herein.
In some embodiments of the present application, the inlet of the inlet guide chamber faces the heat exchanger 500, and the outlet of the inlet guide chamber and the first exhaust part 120 are correspondingly disposed.
In some embodiments of the present application, the total heat exchanger 500 further comprises: a partition member 900 vertically disposed in the housing and dividing the housing into a first accommodating space 150 and a second accommodating space 160, the axial flow air intake device 200 and an air intake duct being disposed in the first accommodating space 150, the air discharge device and the air discharge duct being disposed in the second accommodating space 160, the first air intake part 110 being disposed on a housing wall opposite to an air intake port of the axial flow air intake device 200, the first air discharge part 120 being disposed on a housing wall opposite to the first air intake part 110; the second air intake part 130 is provided on a housing wall opposite to an air intake port of the air discharging device, and the second air discharge part 140 is provided on a housing wall opposite to the second air intake part 130.
The partition member 900 may be a partition plate in some embodiments, and is disposed perpendicular to the bottom wall of the casing 100 and the top wall of the casing 100, and two ends of the partition plate are respectively connected to two oppositely disposed side walls of the casing 100, where the two oppositely disposed side walls may correspond to the front wall and the rear wall of the casing 100, or both the left wall and the right wall of the casing 100.
Through the effect of the partition part 900, the casing 100 is divided, and the axial flow air intake device 200, the axial flow air exhaust device, the air intake channel and the air exhaust channel are respectively positioned in the first accommodating space 150 and the second accommodating space 160, so that the air intake channel and the air exhaust channel are completely divided, and thus, when the whole total heat exchanger 500 works, the axial flow air intake device 200, the air intake channel, the axial flow air exhaust device and the air exhaust channel cannot interfere with each other and influence each other, the independent circulation of air flow in each channel is ensured, and the air exchange efficiency is effectively improved.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An enthalpy exchanger comprising: a housing on which are disposed:
a first air intake part communicated with the outdoor space;
a first exhaust part communicated with the indoor space and having an intake runner formed therebetween;
a second air intake part communicated with the indoor space;
a second discharge portion communicating with an outdoor space and forming a discharge flow passage with the second intake portion, the discharge flow passage and the intake flow passage being arranged in parallel in the housing;
the axial flow air inlet devices are positioned on the air inlet flow channel and are provided with an even number, 2 adjacent axial flow air inlet devices are oppositely arranged, and the rotating directions of the blades of the corresponding impellers are opposite;
the exhaust device is positioned on the exhaust flow channel;
a first filter element located on the intake runner for filtering the airflow into the chamber;
and the heat exchanger is arranged between the first air inlet part and the axial flow air inlet device and is used for exchanging heat with air flow entering from an outdoor space.
2. The total heat exchanger according to claim 1, wherein: the exhaust device is an axial flow exhaust device, an even number of the exhaust devices are arranged, 2 adjacent axial flow exhaust devices are oppositely arranged, and the rotating directions of the blades of the corresponding impellers are opposite.
3. The total heat exchanger according to claim 2, wherein: also includes:
and a second filter element positioned on the exhaust flow passage for filtering the air flow discharged to the outside.
4. The total heat exchanger according to claim 3, wherein the second filter element is disposed between the axial-flow air exhausting device and the second air inlet portion or between the axial-flow air exhausting device and the second air exhausting portion.
5. The total heat exchanger according to claim 1, wherein the first filter element is disposed between the heat exchanger and the first intake portion, between the heat exchanger and the axial flow air intake device, or between the axial flow air intake device and the first exhaust portion.
6. The total heat exchanger according to claim 1, further comprising an air intake guide member, wherein an air intake guide cavity is formed inside the air intake guide member, the axial flow air intake devices are disposed in the air intake guide cavity, and a space is formed between adjacent axial flow air intake devices.
7. The total heat exchanger according to claim 2, further comprising:
the exhaust guide device is characterized by further comprising an exhaust guide component, an exhaust guide cavity is formed in the exhaust guide component, the axial flow exhaust devices are arranged in the exhaust guide cavity, and a space exists between every two adjacent axial flow exhaust devices.
8. The total heat exchanger according to claim 6, wherein the inlet of the air induction chamber faces the heat exchanger, and the outlet of the air induction chamber is positioned corresponding to the first exhaust portion.
9. The total heat exchanger according to claim 1, further comprising:
a partition member vertically provided on the housing and dividing the housing into a first accommodating space in which the axial flow air intake device and the air intake duct are provided and a second accommodating space in which the exhaust device and the exhaust duct are provided, the first air intake portion being provided on a housing wall opposite to an air intake port of the axial flow air intake device, the first exhaust portion being provided on a housing wall opposite to the first air intake portion; the second air inlet portion is disposed on a housing wall opposite to an air inlet of the exhaust device, and the second exhaust portion is disposed on a housing wall opposite to the second air inlet portion.
10. The total heat exchanger according to claim 1, wherein a heat-accumulating and insulating layer is sprayed on the inner and outer sides of the heat exchanger, and a damping layer is sprayed on the outer side of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021859979.5U CN212987520U (en) | 2020-08-31 | 2020-08-31 | Full heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021859979.5U CN212987520U (en) | 2020-08-31 | 2020-08-31 | Full heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212987520U true CN212987520U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021859979.5U Active CN212987520U (en) | 2020-08-31 | 2020-08-31 | Full heat exchanger |
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| CN (1) | CN212987520U (en) |
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2020
- 2020-08-31 CN CN202021859979.5U patent/CN212987520U/en active Active
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