CN212511483U - Thin type air conditioner indoor heat exchange system - Google Patents
Thin type air conditioner indoor heat exchange system Download PDFInfo
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- CN212511483U CN212511483U CN202021503990.8U CN202021503990U CN212511483U CN 212511483 U CN212511483 U CN 212511483U CN 202021503990 U CN202021503990 U CN 202021503990U CN 212511483 U CN212511483 U CN 212511483U
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Abstract
The utility model discloses an indoor heat transfer system of slim air conditioner, including fan, casing, a plurality of heat exchanger, a plurality of baffle etc. The heat exchanger forms an S-shaped air flow channel in the shell along with the partition plate, the top of the shell is provided with an air inlet, the bottom of the shell is provided with an air outlet, a space between the uppermost partition plate and the top of the shell is used as a negative pressure cavity, a fan is installed on the space, and external air flows through the heat exchangers from the S-shaped air flow channel through the fan and flows out from the air outlet. The utility model discloses utilize crisscross design of grouping and the S type air runner of heat exchanger, realize ultra-thin design and low windage requirement. The air conditioner provides a solution for the ultra-thin design of some special air conditioners in the future.
Description
Technical Field
The utility model relates to an air conditioner heat transfer device field specifically is a slim indoor heat transfer system of air conditioner.
Background
With the continuous development of new air conditioners for cabinets, cabins and cabs, the styles and functions of the air conditioners are rich, so as to meet the ever-increasing new requirements. At present, 2 types of refrigeration are mainly adopted for a cabin and a cabinet, and the 1 st type directly adopts a vapor compression type refrigeration principle, namely, a refrigerant is utilized to dissipate heat in a condenser and change phase into liquid, and absorb heat in an evaporator and change phase into gas to form thermodynamic cycle of a compressor, wherein the evaporator obtains low temperature through an outer tube fin to realize refrigeration; the second type is that the secondary low-temperature secondary refrigerant (cooling liquid) flows through the heat exchanger to make the external fins obtain low temperature to realize refrigeration.
In the actual design, the air conditioning equipment is often limited by space and structure, and the design is difficult to complete. For example, some electronic cabinets currently dissipate heat by using a door air conditioner or an internal heat exchanger, wherein the evaporator or the internal heat exchanger is usually required to have a thin (e.g., 50 mm to 90 mm) and narrow (e.g., 300 mm to 500 mm) design in the cabinet. The heat exchanger is generally a finned tube heat exchanger, refrigerant or secondary refrigerant flows in the tubes, and air generated outside the tubes by a fan blows over fins for heat exchange, so that the heat exchanger is usually arranged in 2-9 rows along the airflow direction in order to achieve sufficient heat exchange area, but the number of the rows of the heat exchanger along the airflow direction is far more than the number sometimes, so that the wind resistance is particularly large (such as more than 400 Pa), and a common heat exchange scheme is difficult to realize. Still other air conditioners are mounted on the back of the cab seat or attached to the inner cabin wall of the shelter and face the same problems as above.
How to utilize narrow and limited space, compromise heat transfer windage and the air cycle of inside and outside, arrange through ingenious heat transfer, to promoting the heat transfer performance of some special air conditioners, its meaning is doubtless.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slim air conditioner indoor heat transfer system to solve the problem that the air conditioner heat transfer device that prior art exists is difficult to be applicable to narrow space installation.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a slim air conditioner indoor heat transfer system which characterized in that: the heat exchanger comprises a shell, wherein a plurality of clapboards are respectively connected to two opposite vertical side surfaces in the shell, the clapboards on the two vertical side surfaces are distributed in a staggered manner from top to bottom, namely one of the two clapboards adjacent in the vertical direction is connected to one vertical side surface, the other one of the two clapboards adjacent in the vertical direction is connected to the other vertical side surface, a gap is formed between each clapboard and the opposite vertical side surface, heat exchangers are respectively arranged between the two clapboards adjacent in the vertical direction, each heat exchanger and the vertical direction form an included angle with the same size due to the staggered distribution of the clapboards in the vertical direction, the included angles of the two heat exchangers adjacent in the vertical direction and the vertical direction are different in direction;
the top of the shell is provided with an air inlet, the bottom of the shell is provided with an air outlet, the air inlet side of each heat exchanger faces upwards, the air outlet side of each heat exchanger faces downwards, a space between the uppermost partition plate and the top of the shell in the shell is a negative pressure cavity, a positive pressure cavity is arranged below the uppermost partition plate, a fan is arranged in the negative pressure cavity, the air inlet of the fan is communicated with the negative pressure cavity, and the air outlet of the fan is communicated with the space between the uppermost partition plate and the vertical side face opposite to the partition plate;
the external air enters the negative pressure cavity from the air inlet at the top of the shell under the action of the fan and is sent to the positive pressure cavity from the air outlet of the fan, the air outlet of the fan is blown to the heat exchangers from top to bottom in sequence, an S-shaped airflow field which is alternated from top to bottom and left to right is formed, and finally the air outlet of the fan is blown out from the air outlet at the bottom of the shell.
The thin type air conditioner indoor heat exchange system is characterized in that: the shell is of an integral structure or an assembly structure.
The thin type air conditioner indoor heat exchange system is characterized in that: at least one of the two vertical side surfaces of the shell is provided with an upper side air inlet corresponding to the position of the negative pressure cavity.
The thin type air conditioner indoor heat exchange system is characterized in that: at least one of two vertical sides of casing corresponds malleation chamber and is close to the bottom position and is equipped with air outlet under the side.
The thin type air conditioner indoor heat exchange system is characterized in that: except the uppermost partition plate, the rest partition plates are in a trapezoidal structure with inclined upper and lower sides, and the included angle between the two inclined surfaces in each trapezoidal structure is the same as the included angle between the heat exchanger and the vertical direction; in two adjacent heat exchangers in the vertical direction, condensed water generated on the surface of the heat exchanger above can flow to the partition plate at the lower end of the heat exchanger downstream and flow to the heat exchanger below along the inclined surface of the partition plate, and finally the condensed water generated by each heat exchanger converges downwards in the sequential process.
The thin type air conditioner indoor heat exchange system is characterized in that: a partition plate at the lower end of the heat exchanger at the lowest part is omitted in the shell and is replaced by a water tank, the lower end of the heat exchanger at the lowest part extends into the water tank, and therefore condensed water generated by the heat exchangers flows downwards into the water tank.
The thin type air conditioner indoor heat exchange system is characterized in that: except the uppermost baffle, the other baffles are horizontal plates, a condensed water channel which vertically penetrates through the horizontal plates is respectively arranged in each horizontal plate, and the lower baffle in two vertically adjacent baffles is positioned right below the upper baffle, so that the included angle between the heat exchanger between the two vertically adjacent baffles and the vertical direction is zero; the condensed water generated on the surface of the heat exchanger above can flow to the partition plate at the lower end of the heat exchanger downstream, and flows to the heat exchanger below from the condensed water channel of the partition plate, and finally the condensed water generated by each heat exchanger converges downwards to the water tank in the sequential process.
The thin type air conditioner indoor heat exchange system is characterized in that: the heat exchanger is an evaporator or a surface cooler of an air conditioner.
The thin type air conditioner indoor heat exchange system is characterized in that: the plurality of heat exchangers are connected in series in sequence along the vertical direction.
The thin type air conditioner indoor heat exchange system is characterized in that: the shell is internally provided with flow guide strips outside the air inlet side and the air outlet side of the heat exchanger respectively.
The utility model has the advantages that:
1. the utility model discloses the crisscross design of grouping and the S type air runner of make full use of heat exchanger realize ultra-thin design and low windage requirement.
2. The utility model discloses utilize upper portion to inhale hot-air, the lower part blows out cold air, and load end air current is more excellent.
3. The utility model discloses a design of vertical ultra-thin air conditioner provides a new design.
4. The utility model discloses the structure is succinct, reliable, compact, easily design.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural view of a specific example of the horizontal plate of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, the present embodiment of a thin type air-conditioning indoor heat exchange system takes three heat exchangers as an example to explain a structure, and includes a casing 12, a fan 2, a first heat exchanger 5, a second heat exchanger 7, a third heat exchanger 9, an upper partition plate 3, a first middle partition plate 6, a second middle partition plate 8, a water tank 10, an air inlet 1, an air outlet 11, and a plurality of flow guide strips 4.
Go up baffle 3, first median septum 6, second median septum 8, basin 10 and distribute according to from last direction down in proper order, wherein: the left end of the upper partition plate 3 is fixed on the left vertical side of the shell 12, and a space is arranged between the right end of the upper partition plate 3 and the right vertical side of the shell 12. The right end of the first middle partition plate 6 is fixed on the right vertical side of the shell 12, and a space is reserved between the left end of the first middle partition plate 6 and the left vertical side of the shell 12. The left end of the second septum 8 is fixed to the left vertical side of the housing 12, and there is a gap between the right end of the second septum 8 and the right vertical side of the housing 12. The sink 10 is fixed to the right vertical side of the housing 12. Thereby forming an S-shaped air flow passage inside the housing 12.
The first heat exchanger 5, the second heat exchanger 7 and the third heat exchanger 9 are all fin tube type heat exchangers with the same size and are arranged in an upper, middle and lower sequence in a centering way. Wherein the first heat exchanger 5 is fixed between the upper partition plate 3 and the first middle partition plate 6; the second heat exchanger 5 is fixed between the first middle clapboard 6 and the second middle clapboard 8; the upper end of the third heat exchanger 9 is fixed on the second middle partition plate 8, and the lower end of the third heat exchanger 9 extends into the water tank 10. The air inlet side of each heat exchanger faces upwards, and the air outlet side faces downwards.
The included angle theta between each heat exchanger and the vertical direction is the same, but the included angle theta between the adjacent heat exchangers in the vertical direction and the vertical direction is different. And approximate triangular spaces are reserved on two sides of each heat exchanger. The tube outlet of the third heat exchanger 9 is connected with the tube inlet of the second heat exchanger 7, and the tube outlet of the second heat exchanger 7 is connected with the tube inlet of the first heat exchanger 5, so that a relatively complete serial heat exchange pipeline structure is formed.
The upper partition plate 3 is arranged above the first heat exchanger 5, the space between the upper partition plate 3 and the top of the shell 12 is used as a negative pressure cavity, and the interior of the shell below the upper partition plate 3 is used as a positive pressure cavity. The negative pressure cavity is internally provided with a fan 2, an air inlet of the fan 2 is communicated with the negative pressure cavity, and an air outlet of the fan 2 is communicated to the right end of the upper partition plate 3 and the vertical side surface of the right side of the shell at intervals. The top of the shell is provided with an air inlet 1, and the bottom of the shell is provided with an air outlet 11. When the fan 2 works, air in the environment enters the negative pressure cavity and enters the air inlet of the fan 2, and the air outlet of the fan 2 is blown to the first heat exchanger 5, the second heat exchanger 7 and the third heat exchanger 9 in sequence to form an S-shaped airflow field which alternates from top to bottom and from left to right. Namely: the fan 2 blows towards the air inlet side of the first heat exchanger 5 firstly, turns downwards to the air inlet side of the second heat exchanger 7 after blowing out from the air outlet side of the first heat exchanger 5, turns downwards to the air inlet side of the third heat exchanger 9 after blowing out from the air outlet side of the second heat exchanger 7, and turns towards the air outlet 11 after blowing out from the air outlet side of the third heat exchanger 9.
The first middle clapboard 6 and the second middle clapboard 8 are assemblies integrating water retaining, flow guiding, supporting and heat insulation, the first middle clapboard 6 and the second middle clapboard 8 are both in a trapezoidal structure with inclined upper and lower sides, the included angle between the inclined surfaces is matched with the included angle theta between the heat exchanger and the vertical direction, when condensate water generated on the surface of the first heat exchanger 5 flows onto the first middle clapboard 6 along fins, flows onto the second heat exchanger 7 along the inclined surface of the first middle clapboard 6, flows onto the second middle clapboard 8 after being mixed with the condensate water generated on the surface of the second heat exchanger 7, flows onto the third heat exchanger 9 along the inclined surface of the second middle clapboard 8, finally flows into a water tank 10 after being mixed with the condensate water generated on the surface of the third heat exchanger 9, and is discharged after being uniformly collected by the water tank 10.
The first heat exchanger 5, the second heat exchanger 7 and the third heat exchanger 9 are evaporators or surface coolers of air conditioners, refrigerants or secondary refrigerants are arranged in corresponding pipes, and the sizes, the pipeline distribution and the like of the refrigerants or the secondary refrigerants can be determined according to heat exchange requirements.
The guide strips 4 are respectively positioned at two sides of the first heat exchanger 5, the second heat exchanger 7 and the third heat exchanger 9, and the specific number, shape and the like can be determined according to the designed wind resistance, the designed air quantity and the designed space.
The utility model is provided with an upper side inlet 21 on the vertical side of the left side of the shell 12 corresponding to the negative pressure cavity besides the air inlet 1; except for the air outlet 22, a lower air outlet 22 is arranged at the position, close to the bottom, of the left vertical side face of the shell corresponding to the positive pressure cavity. Of course, the specific positions of the upper side air inlet 21 and the lower side air outlet 22 can be adjusted according to the requirement of the external air flow field. The air inlet and outlet capacity is improved through the side upper air inlet 21 and the side lower air outlet 22.
For further explanation:
the design of the inclination angle theta needs to comprehensively consider the sizes of the first heat exchanger 5, the second heat exchanger 7 and the third heat exchanger 9 and the total indoor-side heat exchange thickness requirement, and the design angle theta is generally not more than 25 degrees.
In the actual design, if 3 groups of heat exchangers are not enough, 4 groups, 5 groups, 6 groups and other groups can be grafted; if the wind pressure of the selected fan 2 is not enough, the fan can be additionally arranged at the air outlet 11, and the wind pressure and the protection content of the patent do not conflict.
In addition, the heat insulation treatment is not particularly emphasized here, because the core content to be protected by the patent is not referred to, but the corresponding treatment should be performed in practical application.
As shown in fig. 2, fig. 2 is a schematic diagram of a specific application example of the structural principle of the present invention, that is, a specific example in which an included angle θ between the heat exchanger and the vertical direction is zero. At this time, the first heat exchanger 5, the second heat exchanger 7 and the third heat exchanger 9 are arranged in a vertical alignment. The upper clapboard 3, the first middle clapboard 6 and the second middle clapboard 8 comprise horizontal plates which are sequentially and positively opposite in the vertical direction. Condensate water channels are respectively arranged in the first middle clapboard 6 and the second middle clapboard 8, condensate water generated by the first heat exchanger 5 downwards passes through the condensate water channel of the first middle clapboard 6 and flows to the second heat exchanger 7, the condensate water and condensate water generated by the second heat exchanger 7 downwards pass through the condensate water channel of the second middle clapboard 8 and flow to the third heat exchanger 9, and the condensate water generated by the third heat exchanger 9 are converged to the water tank 10. Meanwhile, in order to reduce wind resistance, the horizontal plates of the first middle partition plate 6 and the second middle partition plate 8 are connected with the corresponding vertical side surfaces of the shell 12 through flow guiding arcs.
The above embodiments are only preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any obvious modifications to the above embodiments without departing from the principle of the present invention will fall within the protection scope of the present invention and the appended claims.
Claims (10)
1. The utility model provides a slim air conditioner indoor heat transfer system which characterized in that: the heat exchanger comprises a shell, wherein a plurality of clapboards are respectively connected to two opposite vertical side surfaces in the shell, the clapboards on the two vertical side surfaces are distributed in a staggered manner from top to bottom, namely one of the two clapboards adjacent in the vertical direction is connected to one vertical side surface, the other one of the two clapboards adjacent in the vertical direction is connected to the other vertical side surface, a gap is formed between each clapboard and the opposite vertical side surface, heat exchangers are respectively arranged between the two clapboards adjacent in the vertical direction, each heat exchanger and the vertical direction form an included angle with the same size due to the staggered distribution of the clapboards in the vertical direction, the included angles of the two heat exchangers adjacent in the vertical direction and the vertical direction are different in direction;
the top of the shell is provided with an air inlet, the bottom of the shell is provided with an air outlet, the air inlet side of each heat exchanger faces upwards, the air outlet side of each heat exchanger faces downwards, a space between the uppermost partition plate and the top of the shell in the shell is a negative pressure cavity, a positive pressure cavity is arranged below the uppermost partition plate, a fan is arranged in the negative pressure cavity, the air inlet of the fan is communicated with the negative pressure cavity, and the air outlet of the fan is communicated with the space between the uppermost partition plate and the vertical side face opposite to the partition plate;
the external air enters the negative pressure cavity from the air inlet at the top of the shell under the action of the fan and is sent to the positive pressure cavity from the air outlet of the fan, the air outlet of the fan is blown to the heat exchangers from top to bottom in sequence, an S-shaped airflow field which is alternated from top to bottom and left to right is formed, and finally the air outlet of the fan is blown out from the air outlet at the bottom of the shell.
2. The indoor heat exchange system of a thin air conditioner as claimed in claim 1, wherein: the shell is of an integral structure or an assembly structure.
3. The indoor heat exchange system of a thin air conditioner as claimed in claim 1, wherein: at least one of the two vertical side surfaces of the shell is provided with an upper side air inlet corresponding to the position of the negative pressure cavity.
4. The indoor heat exchange system of a thin air conditioner as claimed in claim 1, wherein: at least one of two vertical sides of casing corresponds malleation chamber and is close to the bottom position and is equipped with air outlet under the side.
5. The indoor heat exchange system of a thin air conditioner as claimed in claim 1, wherein: except the uppermost partition plate, the rest partition plates are in a trapezoidal structure with inclined upper and lower sides, and the included angle between the two inclined surfaces in each trapezoidal structure is the same as the included angle between the heat exchanger and the vertical direction; in two adjacent heat exchangers in the vertical direction, condensed water generated on the surface of the heat exchanger above can flow to the partition plate at the lower end of the heat exchanger downstream and flow to the heat exchanger below along the inclined surface of the partition plate, and finally the condensed water generated by each heat exchanger converges downwards in the sequential process.
6. The indoor heat exchange system of a thin air conditioner as claimed in claim 5, wherein: a partition plate at the lower end of the heat exchanger at the lowest part is omitted in the shell and is replaced by a water tank, the lower end of the heat exchanger at the lowest part extends into the water tank, and therefore condensed water generated by the heat exchangers flows downwards into the water tank.
7. The thin type air-conditioning indoor heat exchange system according to any one of claims 1, 5 and 6, characterized in that: except the uppermost baffle, the other baffles are horizontal plates, a condensed water channel which vertically penetrates through the horizontal plates is respectively arranged in each horizontal plate, and the lower baffle in two vertically adjacent baffles is positioned right below the upper baffle, so that the included angle between the heat exchanger between the two vertically adjacent baffles and the vertical direction is zero; the condensed water generated on the surface of the heat exchanger above can flow to the partition plate at the lower end of the heat exchanger downstream, and flows to the heat exchanger below from the condensed water channel of the partition plate, and finally the condensed water generated by each heat exchanger converges downwards to the water tank in the sequential process.
8. The indoor heat exchange system of a thin air conditioner as claimed in claim 1, wherein: the heat exchanger is an evaporator or a surface cooler of an air conditioner.
9. The indoor heat exchange system of a thin air conditioner as claimed in claim 1, wherein: the plurality of heat exchangers are connected in series in sequence along the vertical direction.
10. The indoor heat exchange system of a thin air conditioner as claimed in claim 1, wherein: the shell is internally provided with flow guide strips outside the air inlet side and the air outlet side of the heat exchanger respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503990.8U CN212511483U (en) | 2020-07-27 | 2020-07-27 | Thin type air conditioner indoor heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503990.8U CN212511483U (en) | 2020-07-27 | 2020-07-27 | Thin type air conditioner indoor heat exchange system |
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| Publication Number | Publication Date |
|---|---|
| CN212511483U true CN212511483U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021503990.8U Active CN212511483U (en) | 2020-07-27 | 2020-07-27 | Thin type air conditioner indoor heat exchange system |
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|---|---|
| CN (1) | CN212511483U (en) |
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- 2020-07-27 CN CN202021503990.8U patent/CN212511483U/en active Active
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