CN219200160U - Heat exchange device and air conditioning equipment - Google Patents

Abstract

The application provides a heat transfer device and air conditioning equipment, heat transfer device include dull and stereotyped heat transfer device, and dull and stereotyped heat transfer device includes coil pipe and a plurality of fin, and a plurality of fins interval each other set up, and the coil pipe alternates to be connected in the fin, and dull and stereotyped heat transfer device sets up for the horizontal plane slope. In the heat transfer device that this application provided, dull and stereotyped heat transfer device sets up for the horizontal plane slope, and the moisture of adhesion between dull and stereotyped heat transfer device's fin gathers in dull and stereotyped heat transfer device's one side under the action of gravity for moisture can drop from dull and stereotyped heat transfer device more fast. The temperature unevenness caused by accumulated water at the bottom of the flat plate heat exchange device is avoided, and the ventilation rate and the heat exchange efficiency of the flat plate heat exchange device are improved.

Description

Heat exchange device and air conditioning equipment

Technical Field

The utility model relates to the technical field of air conditioners, in particular to a heat exchange device and air conditioning equipment.

Background

The heat exchange device is a device commonly used in air conditioning equipment, the heat exchange device for a medium to pass through is arranged in the heat exchange device, and the heat exchange device is generally provided with a fan and a spraying device for cooling the medium passing through the heat exchange device.

In the process of implementing the present utility model, the inventor finds that at least the following problems exist in the prior art:

the cooling liquid sprayed by the spraying device is easy to accumulate in the fin gaps of the heat exchange device and form a water film for blocking the air flow, so that the wind resistance of the heat exchange device is increased, the heat exchange uniformity of the heat exchange device is reduced, and the working efficiency and the working effect of the heat exchange device and the air conditioning equipment are further reduced.

Disclosure of Invention

In view of this, the application provides a heat exchange device and air conditioning equipment for solve the problem that heat exchange device and air conditioning equipment's work efficiency is low and work effect is poor among the prior art.

In a first aspect, the present application provides a heat exchange device, for a flat plate heat exchange device of horizontal plane slope setting, flat plate heat exchange device includes coil pipe and a plurality of fin, and is a plurality of the fin interval sets up each other, the coil pipe interlude connect in the fin.

In the scheme, the flat plate heat exchange device is obliquely arranged relative to the horizontal plane, and moisture adhered to the fins of the flat plate heat exchange device is converged on one side of the flat plate heat exchange device under the action of gravity, so that the moisture can fall off from the flat plate heat exchange device more quickly. The temperature unevenness caused by accumulated water at the bottom of the flat plate heat exchange device is avoided, and the ventilation rate and the heat exchange efficiency of the flat plate heat exchange device are improved.

In one possible design, the inclination angle a of the flat plate heat exchange device with respect to the horizontal plane satisfies: a is more than or equal to 0 degree and less than or equal to 90 degrees or more than or equal to 1 degree and less than or equal to 3 degrees.

In the scheme, the flat plate heat exchange device has higher drainage efficiency.

In one possible design, the heat exchange device further comprises: the cooling spraying device comprises a spraying outlet pipe which is arranged towards the flat plate heat exchange device; the air flow driving device is arranged on one side of the flat plate heat exchange device and is used for driving air to pass through the flat plate heat exchange device.

In one possible design, the heat exchange device further comprises a frame, and the plate heat exchange device, the cooling spraying device and the air flow driving device are mounted on the frame, and the frame is arranged obliquely relative to the horizontal plane, so that the plate heat exchange device is inclined relative to the horizontal plane.

In the scheme, the frame and the air flow driving device arranged on the frame are integrally parallel to the horizontal plane, so that the balance and stability of the air flow driving device are improved, the flat plate heat exchange device is obliquely arranged relative to the frame, and moisture adhered to fins of the flat plate heat exchange device can be gathered on one side of the flat plate heat exchange device under the action of gravity and smoothly separated from the flat plate heat exchange device.

In one possible design, the inclination direction of the plate heat exchange device is parallel to the extending direction of the fins.

In the scheme, the moisture between the fins can flow along the extending direction of the fins so as to improve the aggregation and dropping speed of the moisture.

In one possible design, the bottom of the fin is provided with a guide portion, the guide portion includes a large end and a small end, the large end is located at a side of the guide portion near the fin, and the small end is located at a side of the guide portion far away from the fin.

In the scheme, the water on the fins can quickly drip under the guidance of the diversion.

In one possible design, the flow guide is triangular, trapezoidal or semicircular in shape.

In the above scheme, the shape of the flow guiding part can improve the flow guiding efficiency.

In one possible design, a plurality of guide portions are provided, and a plurality of guide portions are sequentially arranged at the bottoms of the fins.

In the scheme, the plurality of diversion parts are arranged to enlarge the diversion range and improve the diversion effect.

In one possible design, the bottom of the fin is provided with a plurality of flow guiding groups formed by arranging a plurality of flow guiding parts in sequence, and the flow guiding groups are mutually arranged at intervals.

In the scheme, the flow guide parts at the bottoms of the fins are arranged at intervals after being arranged in groups, so that the material cost can be saved.

In one possible design, the cooling spraying device comprises a pipeline assembly and a pumping member connected to one end of the pipeline assembly, the pumping member is used for pumping cooling liquid to the pipeline assembly, the pipeline assembly comprises a main water pipe and a plurality of spraying outlet pipes, the spraying outlet pipes are all connected to the main water pipe, the main water pipe extends along the length direction of the flat plate heat exchange device, the spraying outlet pipes are arranged at intervals along the length direction of the flat plate heat exchange device, and the pipeline assembly is obliquely arranged so that one end, close to the pumping member, of the pipeline assembly is lower than one end, far away from the pumping member, of the pipeline assembly.

In the scheme, the pipeline assembly is integrally arranged in an inclined mode, so that the convenience of removing accumulated water in the pipeline assembly can be improved.

In a second aspect, the present application provides an air conditioning apparatus, where the air conditioning apparatus includes a heat exchange device as described in any of the above, and the heat exchange device has the advantages of the above, and is not described herein.

Additional features and advantages of embodiments of the application will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of embodiments of the application. The objectives and other advantages of the embodiments of the application will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a heat exchange device provided in an embodiment of the present application;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of a coil and fins according to an embodiment of the present disclosure;

fig. 4 is a front view of a heat exchange device provided in an embodiment of the present application;

FIG. 5 is a front view of a heat exchange device according to another embodiment of the present application;

FIG. 6 is a side view of a heat exchange device provided in an embodiment of the present application;

fig. 7 is a schematic structural diagram of a flow guiding portion according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a diversion portion according to another embodiment of the present application.

Reference numerals:

100. a heat exchange device;

1. a flat plate heat exchange device;

11. a coiled pipe;

12. a fin;

121. a flow guiding part;

1211. a large end;

1212. a small end;

122. a flow guiding group;

2. a cooling spraying device;

21. a pipeline assembly;

211. a spray outlet pipe;

212. a main water pipe;

22. a pumping member;

3. an air flow driving device;

4. a frame;

5. and (5) a water receiving tray.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

Detailed Description

For a better understanding of the technical solutions of the present application, embodiments of the present application are described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

The conventional heat exchanger 100 is generally provided with a heat exchanger comprising a coil 11 and fins 12 disposed outside the coil 11 for improving heat exchange efficiency, wherein an external medium (cooling water) can flow in along a water inlet of the coil 11 and then flow out from a water outlet of the coil 11, and the medium exchanges heat with an external environment through the fins 12 when flowing in the coil 11. In order to further improve the heat exchange effect, a fan and a spraying device can be further arranged, the fan can improve the contact range of air and the heat exchange device through air draft, and the spraying device can spray low-temperature water to the heat exchange device so as to further reduce the temperature of the medium in the coil 11.

Referring to fig. 3, however, because the fins 12 of the heat exchange device are spaced apart from each other, moisture sprayed from the mist spraying device is likely to remain in the gaps between the fins 12 to form a water film, and if the moisture does not flow out from the fins 12 in time, the heat exchange efficiency of the whole heat exchange device is affected, and uneven temperature distribution of the coil 11 is also caused. In addition, the water film formed by the moisture in the gaps of the fins 12 increases the windage of the heat exchanger, reduces the ventilation amount, and further reduces the heat exchange efficiency and the heat exchange performance of the heat exchanger.

In order to solve the above-mentioned problems, a specific embodiment of the structure of the heat exchange device according to the embodiment of the present application will be described below.

In a first aspect, the present application provides a heat exchange device 100, including a flat plate heat exchange device 1, where the flat plate heat exchange device 1 includes a coil 11 and a plurality of fins 12, the fins 12 are arranged at intervals, the coil 11 is connected to the fins 12 in a penetrating manner, and the flat plate heat exchange device 1 is arranged obliquely relative to a horizontal plane; in order to further improve the heat exchange efficiency, a cooling spraying device 2 and an air flow driving device 3 can be further arranged, wherein the cooling spraying device 2 comprises a spraying outlet pipe 211, and the spraying outlet pipe 211 is arranged towards the flat plate heat exchange device 1; the air flow driving device 3 is arranged at one side of the flat plate heat exchange device 1, and the air flow driving device 3 is used for driving air to pass through the flat plate heat exchange device 1.

Referring to fig. 1, 2 and 3, the flat plate heat exchange device 1 includes a coil 11 and a plurality of fins 12, the coil 11 is a hollow tube structure, the coil 11 may extend along any track or shape within the scope of the flat plate heat exchange device 1, and in some embodiments, the coil 11 may be disposed along an "S" shaped track in a plane. One end of the coil 11 is provided with a water inlet, the other end is provided with a water outlet, and the medium to be cooled enters the coil 11 from the water inlet and flows out from the water outlet of the coil 11 after sufficient heat exchange. The outside of coil 11 is provided with a plurality of fins 12, and the fin 12 can be sheet structure, and a plurality of fins 12 are parallel to each other and set up the hole that suits with the diameter of coil 11 on the fin 12, and coil 11 alternates on each fin 12 in proper order, and is connected with each fin 12. The coil 11 may be made of copper, the fin 12 may be made of aluminum, and the flat plate heat exchange device 1 can improve heat exchange efficiency by adopting the material.

The plate heat exchange device 1 is arranged obliquely with respect to the horizontal plane, and the oblique direction of the plate heat exchange device 1 may be parallel or intersecting with the extending direction of the fins 12, and in one embodiment, the oblique direction of the plate heat exchange device 1 is parallel with the extending direction of the fins 12. Thus, the moisture between the fins 12 can flow along the extending direction of the fins 12 to increase the moisture collecting and dropping speed. Further, a water tray 5 may be provided under the flat plate heat exchange device 1 to collect moisture falling from the flat plate heat exchange device 1.

The cooling spraying device 2 comprises parts such as a spraying outlet pipe 211, a water pump, a water pipe and the like, the cooling spraying device 2 can be arranged below the flat plate heat exchange device 1, one or more spraying outlet pipes 211 can be arranged, and water sprayed from the spraying outlet pipe 211 contacts with the flat plate heat exchange device 1 and cools the flat plate heat exchange device.

The air flow driving device 3 is arranged on one side of the flat plate heat exchange device 1, the air flow driving device 3 can be a common fan, the air flow driving device 3 can be arranged right above the flat plate heat exchange device 1, and air passes through the flat plate heat exchange device 1 from bottom to top under the driving of the air flow driving device 3.

The nodes of the air side flow are as follows: external air, wet curtain generated by the cooling spraying device 2, a flat plate heat exchange device 1, an airflow driving device 3 and external air. The nodes of the cooling water side flow are as follows: external medium (cooling water), coil 11 in plate heat exchanger 1, and cooled medium flowing out of coil 11.

Thus, the circulation flow direction of air and the circulation flow direction of media are realized, the wet curtain generated by cooling air and spraying is used for generating heat exchange with the flat plate heat exchange device 1, the cooling of the media is realized, and the heat dissipation capacity of the heat exchange device 100 is improved.

In summary, the flat plate heat exchange device 1 in the present embodiment is disposed obliquely with respect to the horizontal plane, so that the moisture adhering to the fins 12 of the flat plate heat exchange device 1 is collected on one side of the flat plate heat exchange device 1 under the action of gravity, so that the moisture can fall off from the flat plate heat exchange device 1 more quickly. The temperature unevenness caused by accumulated water at the bottom of the flat plate heat exchange device 1 is avoided, and the ventilation rate and the heat exchange efficiency of the flat plate heat exchange device 1 are improved.

In one embodiment, the heat exchange device 100 further includes a frame 4, and the plate heat exchange device 1, the cooling spray device 2, and the air flow driving device 3 are mounted on the frame 4, where the frame 4 is inclined with respect to the horizontal plane, so that the plate heat exchange device 1 is inclined with respect to the horizontal plane.

Referring to fig. 4, the frame 4 may be a frame structure formed by connecting profiles, and the flat heat exchange device 1, the cooling spraying device 2 and the air flow driving device 3 may be mounted on the frame 4 by using conventional fastening structures such as bolts and screws. The frame 4 provides mounting positions for the flat plate heat exchange device 1, the cooling spraying device 2 and the air flow driving device 3, and improves the structural stability of the heat exchange device 100. In this embodiment, the whole inclination mode of the frame 4 is adopted to incline the flat plate heat exchange device 1, so that the operation is convenient, and the inclination angle of the flat plate heat exchange device 1 can be flexibly and conveniently adjusted.

In one embodiment, the heat exchange device 100 further includes a frame 4, and the plate heat exchange device 1, the cooling spraying device 2, and the air flow driving device 3 are mounted on the frame 4, where the frame 4 is disposed in parallel with respect to the horizontal plane, and the plate heat exchange device 1 is disposed obliquely with respect to the frame 4, so that the plate heat exchange device 1 is inclined with respect to the horizontal plane.

Referring to fig. 5, the frame 4 in the present embodiment is maintained in an overall balanced state as compared with the previous embodiment, and the flat plate heat exchange device 1 is tilted with respect to the frame 4, and in particular, the tilting effect can be achieved by adjusting the connection position of the flat plate heat exchange device 1 and the frame 4. In this embodiment, the cooling spraying device 2, the air flow driving device 3 and the frame 4 are all parallel to the horizontal plane and are in a balanced state, so that the structural stability of the heat exchange device 100 is improved. The air flow driving device 3 is parallel to the horizontal plane, so that the dynamic balance of the movable parts of the air flow driving device 3 can be improved, the service life of the air flow driving device 3 can be prolonged, and the noise of the air flow driving device 3 can be reduced.

In summary, the frame 4 and the air flow driving device 3 mounted on the frame 4 are integrally parallel to the horizontal plane, so that the balance and stability of the air flow driving device 3 are improved, and the flat plate heat exchange device 1 is obliquely arranged relative to the frame 4, so that moisture adhered to the fins 12 of the flat plate heat exchange device 1 can be ensured to be gathered at one side of the flat plate heat exchange device 1 under the action of gravity, and can be smoothly separated from the flat plate heat exchange device 1.

In one embodiment, the inclination angle a of the flat plate heat exchange device 1 with respect to the horizontal plane satisfies: a is more than 0 and less than or equal to 90 degrees.

The flat plate heat exchange device 1 can improve the drainage performance of the flat plate heat exchange device 1 as long as the flat plate heat exchange device 1 has a certain inclination angle relative to the horizontal plane, specifically, the inclination angle a of the flat plate heat exchange device 1 relative to the horizontal plane can be: 30 °, 45 °, 60 °, 75 °, 90 °.

In one embodiment, the inclination angle a of the flat plate heat exchange device 1 with respect to the horizontal plane satisfies: a is more than or equal to 1 degree and less than or equal to 3 degrees.

Referring to fig. 4 and 5, when the inclination angle of the flat plate heat exchange device 1 relative to the horizontal plane is too large, the balance of the heat exchange device 100 is seriously affected, and particularly, when the heat exchange device 100 is entirely inclined, the dynamic balance and stability of the air flow driving device 3 are affected due to the too large inclination angle. Too small an inclination angle of the flat plate heat exchange device 1 with respect to the horizontal plane may affect drainage performance of the flat plate heat exchange device 1. The inventors of the present application found an optimal range of the inclination angle a of the flat plate heat exchange device 1 with respect to the horizontal plane through experiments and analyses. Specifically, the inclination angle a of the flat plate heat exchange device 1 with respect to the horizontal plane may be: 1 °, 1.5 °, 2 °, 2.5 °, 3 °.

In one embodiment, the cooling spraying device 2 includes a pipe assembly 21 and a pumping member 22 connected to one end of the pipe assembly 21, the pumping member 22 is used for pumping cooling liquid to the pipe assembly 21, the pipe assembly 21 includes a main water pipe 212 and a plurality of spray outlet pipes 211, the plurality of spray outlet pipes 211 are all connected to the main water pipe 212, the main water pipe 212 extends along the length direction of the plate heat exchange device 1, and the plurality of spray outlet pipes 211 are arranged at intervals along the length direction of the plate heat exchange device 1, wherein the pipe assembly 21 is inclined so that one end of the pipe assembly 21 close to the pumping member 22 is lower than one end of the pipe assembly 21 far away from the pumping member 22.

Referring to fig. 6, the pipeline assembly 21 includes a main water pipe 212 and a plurality of spray outlet pipes 211, wherein the spray outlet pipes 211 are disposed obliquely upward at an angle with respect to the horizontal plane. The main water pipes 212 extend along the length direction of the plate heat exchange device 1, the spray outlet pipes 211 are arranged in two rows, two main water pipes 212 can be arranged, two main water pipes 212 are respectively connected with the two rows of spray outlet pipes 211, one main water pipe 212 can be arranged, and at the moment, the main water pipes 212 can be arranged between the two rows of spray outlet pipes 211. The spray outlet pipes 211 in each row of spray outlet pipes 211 are distributed at equal intervals to improve the uniformity of spraying. The pumping member 22 is connected to an end of the main water pipe 212, and the pumping member 22 is used for pumping cooling liquid to the pipe assembly 21, and further, external cooling liquid can be filtered and then delivered to the pumping member 22, so as to reduce the probability of pipe blockage. The cooling liquid is sprayed from the spray outlet pipe 211 to the plate heat exchanger 1 under the pumping action of the pumping member 22.

Referring to fig. 6, in the present embodiment, the pipe assembly 21 is disposed to be inclined as a whole, and the angle b of inclination with respect to the horizontal plane may be 1 °, 1.5 °, 2 °, 2.5 °, 3 °. When drainage is needed, only the opening of the pipeline assembly 21 close to the water pump is needed to be opened, and liquid stored in the pipeline assembly 21 can naturally flow out, so that the convenience of removing accumulated water in the pipeline assembly 21 is obviously improved.

In one embodiment, the bottom of the fin 12 is provided with a guide portion 121, the guide portion 121 includes a large end 1211 and a small end 1212, the large end 1211 is located at a side of the guide portion 121 near the fin 12, and the small end 1212 is located at a side of the guide portion 121 far from the fin 12.

Referring to fig. 7, the water on the fins 12 naturally flows to the diversion portion 121 under the action of gravity, and the structure of the diversion portion 121 with large upper and small lower portions can further collect water flow, so that the water on the fins 12 can drop down quickly under the guidance of the diversion portion 121, and the drainage speed is improved.

In one embodiment, the flow guide 121 is triangular, trapezoidal, semicircular, or a combination thereof. The drainage efficiency can be improved by adopting the above-described shape for the diversion part 121.

In one embodiment, a plurality of flow guiding portions 121 are provided, and the plurality of flow guiding portions 121 are sequentially arranged at the bottom of the fin 12.

Referring to fig. 7, a plurality of continuous flow guiding portions 121 are disposed at the bottom of the fin 12 to increase the flow guiding range and improve the flow guiding effect.

In one embodiment, the bottom of the fin 12 is provided with a plurality of flow guiding groups 122 formed by sequentially arranging a plurality of flow guiding portions 121, and the flow guiding groups 122 are arranged at intervals.

Referring to fig. 8, the flow guiding groups 122 may include any number of flow guiding portions 121, the number of flow guiding portions 121 in each flow guiding group 122 may be the same or different, and any distance may be provided between each flow guiding group 122. In this embodiment, the diversion portions 121 at the bottom of the fin 12 are arranged in groups and then spaced apart, so that the material cost of the diversion portions 121 can be saved.

In a second aspect, the present application provides an air conditioning apparatus comprising the heat exchange device 100 of any one of the above.

For example, the air conditioning apparatus may be applied to cooling a machine room or heat dissipation of a computer in the machine room. Specifically, the chilled cooling water may be delivered to a liquid cooling device by heat exchange device 100. The cooling water conveyed to the liquid cooling device is used for performing heat exchange with the computer so as to cool the computer and realize heat dissipation. The computers herein may include servers in a data center for providing data computing and storage services. The liquid cooling device may include equipment for holding cooling water and bringing the cooling water into direct or indirect contact with the computer by means of a cold plate, immersion, spraying, etc., such as a cold plate fixed to a heat generating device of the computer, a tank for immersing the computer, a liquid reservoir having an opening, etc. The temperature of the cooling water after cooling the computer rises, the warmed cooling water is conveyed to the heat exchange device 100, and the heat exchange device 100 continuously conveys the cooled cooling water by cooling the warmed cooling water.

The air conditioning apparatus includes a control device for adjusting the heat exchange device 100, and a specific control method may be as follows:

when the ambient temperature is greater than the temperature set value and the current of the air flow driving device 3 is greater than the current set value, the control device opens the cooling spraying device 2, and the cooling spraying device 2 sprays cooling liquid to the flat plate heat exchange device 1.

When the ambient temperature is less than the temperature set point, or the current of the air flow driving device 3 is less than the current set point, or the outlet pressure of the pumping element 22 is less than the lower pressure limit, or the outlet pressure value of the pumping element 22 is greater than the upper pressure limit, the control device turns off the cooling spraying device 2, and the pumping element 22 stops running.

In addition, when the ambient temperature is less than the design value of preventing frostbite, the system solenoid valve that controls the medium flow in the coil 11 and the drainage solenoid valve that is responsible for the drainage of the pipeline assembly 21 are opened simultaneously, and both are opened for a certain time to drain the medium in the coil 11 and the cooling liquid in the pipeline assembly 21, and specific opening and closing time can be flexibly set according to factors such as drainage speed.

The air conditioner of the present application has the advantages of the heat exchanging device 100, and will not be described herein.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.

Claims (10)

1. A heat exchange device, comprising:

the flat plate heat exchange device is obliquely arranged relative to the horizontal plane and comprises a coil pipe and a plurality of fins, the fins are arranged at intervals, and the coil pipe is connected with the fins in a penetrating mode.

2. The heat exchange device according to claim 1, wherein the inclination angle a of the flat plate heat exchange device with respect to the horizontal plane satisfies: a is more than or equal to 0 degree and less than or equal to 90 degrees or more than or equal to 1 degree and less than or equal to 3 degrees.

3. The heat exchange device according to claim 1 or 2, further comprising: the cooling spraying device comprises a spraying outlet pipe which is arranged towards the flat plate heat exchange device; the air flow driving device is arranged on one side of the flat plate heat exchange device and is used for driving air to pass through the flat plate heat exchange device.

4. A heat exchange device according to claim 3, further comprising a frame, wherein the plate heat exchange device, the cooling spray device and the air flow driving device are mounted to the frame, and wherein the frame is inclined with respect to a horizontal plane so that the plate heat exchange device is inclined with respect to the horizontal plane.

5. The heat exchange device of claim 1, wherein the bottom of the fin is provided with a flow guiding portion, the flow guiding portion comprises a large end and a small end, the large end is located at a side of the flow guiding portion close to the fin, and the small end is located at a side of the flow guiding portion away from the fin.

6. The heat exchange device of claim 5 wherein the flow directing portion is triangular, trapezoidal or semi-circular in shape.

7. The heat exchange device according to claim 5, wherein a plurality of the flow guiding portions are provided, and the plurality of the flow guiding portions are sequentially arranged at the bottom of the fin.

8. The heat exchange device according to claim 5, wherein the fin has a bottom provided with a plurality of flow guide groups formed by arranging the plurality of flow guide portions in order, each of the flow guide groups being disposed at a distance from each other.

9. A heat exchange device according to claim 3, wherein the cooling spray device comprises a pipe assembly and a pumping member connected to one end of the pipe assembly, the pumping member is used for pumping cooling liquid to the pipe assembly, the pipe assembly comprises a main water pipe and a plurality of spray outlet pipes, the spray outlet pipes are connected to the main water pipe, the main water pipe extends along the length direction of the plate heat exchange device, the spray outlet pipes are arranged at intervals along the length direction of the plate heat exchange device, and the pipe assembly is inclined so that one end of the pipe assembly close to the pumping member is lower than one end of the pipe assembly far away from the pumping member.

10. An air conditioning apparatus comprising a heat exchange device according to any one of claims 1 to 9.

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