CN217336243U - Heat dissipation device and air conditioner - Google Patents

Abstract

The utility model discloses a heat abstractor and air conditioner, heat abstractor include that inside has irritated the heat transfer pipe fitting of refrigerant, and the heat transfer pipe fitting includes: the evaporation zone and the condensation zone of intercommunication, the evaporation zone with generate heat the face laminating that generates heat of piece, the condensation zone passes through the comdenstion water cooling of air conditioner internal unit, is equipped with the valve of adjusting heat exchange efficiency on the heat transfer pipe fitting. The utility model provides a heat abstractor can realize the cooling to the piece that generates heat, can also control heat abstractor's radiating efficiency, when the temperature that generates heat is close environment dew point temperature, reduces heat abstractor's radiating efficiency and prevents to generate heat a condensation, when the heat that the piece that generates heat gives off is more, in time improves heat abstractor's radiating efficiency and accelerates the heat dissipation that generates heat a.

Description

Heat dissipation device and air conditioner

Technical Field

The utility model relates to an air conditioner heat dissipation field especially relates to a heat abstractor and air conditioner.

Background

The heat dissipation of present air conditioner electric cabinet mainly dispels the heat through air-cooled heat dissipation or system refrigerant pipe, and air-cooled heat dissipation can only satisfy the electric cabinet that calorific capacity is few, and the refrigerant pipe heat dissipation that is suitable for calorific capacity to many often adopts the structural style of system main road or bypass pipeline to electric cabinet radiator to dispel the heat, and this kind of structural design leads to the pipeline to arrange too complicatedly, needs to install more components and parts and realizes the system function, has improved whole quick-witted cost, occupies too much space, influences the performance of complete machine. Meanwhile, the two heat dissipation modes do not consider the condition that condensation can occur due to the fact that the temperature inside the electric cabinet is too low in the heat dissipation process of the electric cabinet.

Therefore, the heat dissipation device which can not only meet the heat dissipation of the electric control boxes with different heat productivity, but also prevent condensation of the electric control boxes is lacked to dissipate heat of the electric control boxes at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that the heat abstractor of above-mentioned prior art air conditioning electric cabinet can't satisfy the heat dissipation simultaneously and prevent the condensation demand, but provide a heat abstractor and air conditioner.

The utility model adopts the technical proposal that:

the utility model provides a heat abstractor and air conditioner, heat abstractor include the inside heat transfer pipe fitting of irritating the refrigerant, the heat transfer pipe fitting includes: the heat exchange tube comprises an evaporation section and a condensation section which are communicated, wherein the evaporation section is attached to a heating surface of a heating piece, the condensation section is cooled through condensed water of an air conditioner internal unit, and a valve for adjusting heat exchange efficiency is arranged on the heat exchange tube.

Further, the method also comprises the following steps: first heating panel and second heating panel, first heating panel laminating is connected the face that generates heat of piece, the evaporation zone clamp is established laminate and connection with both between first heating panel and the second heat dissipation version.

In one embodiment, the heat exchange tube comprises: divide into evaporation zone with the condenser section communicating pipe, at least one with the evaporating pipe that the evaporation zone is connected, at least one with the condenser pipe that the condenser section is connected, communicating pipe the evaporating pipe with the port of communicating pipe is sealed.

Furthermore, the joint of at least one evaporation tube and the communicating tube is provided with the valve, and the valve is arranged between the evaporation section and the condensation section on the communicating tube.

In an embodiment, the middle parts of the evaporation pipe and the condensation pipe are connected with the communication pipe.

In an embodiment, the one end of communicating pipe does the evaporation zone, along the axial of communicating pipe is equipped with first evaporating pipe, second evaporating pipe, third evaporating pipe and fourth evaporating pipe in proper order even interval, first evaporating pipe with the junction of communicating pipe is equipped with first valve K1, the fourth evaporating pipe with the junction of communicating pipe is equipped with second valve K2.

In an embodiment, the other end of communicating pipe does the condensation segment, along the axial of communicating pipe is equipped with first condenser pipe, second condenser pipe, third condenser pipe and fourth condenser pipe at even interval in proper order, be equipped with third valve K3 on communicating pipe, third valve K3 is located the fourth evaporating pipe with between the fourth condenser pipe.

Further, the method also comprises the following steps: the temperature control device comprises a first temperature sensor arranged in each heating area of each heating element, a second temperature sensor used for detecting the ambient temperature, and a controller used for controlling the opening degree of each valve according to the temperature of each heating area of each heating element and the ambient temperature.

In one embodiment, the ambient dew point temperature Td is calculated according to the ambient temperature detected by the second temperature sensor, and it is determined whether the lowest temperature Tmin detected by the first temperature sensor is less than or equal to the sum of the ambient dew point temperature Td and a preset temperature margin Ta.

Further, if yes, calculating a temperature change rate delta Ts of the lowest temperature Tmin in a unit period, and judging whether the temperature change rate delta Ts is smaller than or equal to a preset temperature change rate delta Tb; if yes, controlling the first valve K1, the second valve K2 and the third valve K3 to be closed; if not, the first valve K1 is controlled to be fully opened, the second valve K2 is controlled to be closed, and the third valve K3 is controlled to be half opened.

And further, if not, presetting a plurality of temperature intervals, setting control logics corresponding to the valves in each temperature interval, judging the temperature interval in which the maximum temperature Tmax is located, and adjusting the opening of the valves by the controller according to the corresponding control logics.

Further, a first temperature interval (Td + Ta, T1), a second temperature interval (T1, T2), a third temperature interval [ T2, T3), and a third temperature interval [ T3, + ∞ ] are preset, the first valve K1 is controlled to be closed, the second valve K2 is controlled to be closed, the third valve K3 is half-opened when the maximum temperature Tmax is in the first temperature interval, the first valve K1 is controlled to be fully opened, the second valve K2 is controlled to be closed, and the third valve K3 is controlled to be half-opened when the maximum temperature Tmax is in the second temperature interval, the first valve K1 is controlled to be fully opened, the second valve K2 is controlled to be fully opened, the third valve K3 is controlled to be half-opened, and the first valve K1, the third valve K2 and the third valve K3 are controlled to be fully opened when the maximum temperature Tmax is in the fourth temperature interval.

Furthermore, a plurality of radiating fins are arranged on the outer surface of the condensation pipe.

In one embodiment, the valve is an electromagnetic valve, and the heating element is an electric cabinet.

The air conditioner comprises an electric cabinet, an air conditioner indoor unit and the heat dissipation device.

Furthermore, a nozzle is arranged at the tail end of a drain pipe of the air conditioner indoor unit, and a water outlet of the nozzle faces the condensation pipe.

Compared with the prior art, the utility model provides a heat abstractor can realize the cooling to the piece that generates heat, can also control heat abstractor's radiating efficiency, when the temperature that generates heat is close environment dew point temperature, reduces heat abstractor's radiating efficiency and prevents to generate heat a condensation, when the heat that the piece that generates heat gived off is more, in time improves heat abstractor's radiating efficiency and accelerates the heat dissipation of the piece that generates heat.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a heat dissipation device according to an embodiment of the present invention;

fig. 2 is a control flow chart of a valve according to an embodiment of the present invention;

1. a first heat dissipation plate; 2. a communicating pipe; 31. a first evaporation tube; 32. a second evaporation tube; 33. a third evaporation tube; 34. a fourth evaporation tube; 41. a first condenser pipe; 42. a second condenser pipe; 43. a third condenser pipe; 44. a fourth condenser tube; 5. an electric cabinet.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Because the heat dissipation mode of the electric cabinet in the air conditioner among the prior art can only satisfy the sight that calorific capacity is few, or satisfy the heat dissipation of big heat on the basis that structural style is too complicated, these two kinds of heat dissipation modes all have the defect, so in order to solve this problem, the utility model provides a heat abstractor, this heat abstractor includes: the inside has filled the heat transfer pipe fitting of refrigerant, and the heat transfer pipe fitting has evaporation zone and the condensation zone that falls into the intercommunication, and the evaporation zone is laminated with the heating face that generates heat the piece. The refrigerant in the evaporation section absorbs heat and then vaporizes into a gaseous refrigerant to flow into the condensation section, and the gaseous refrigerant in the condensation section is cooled by condensed water of an air conditioner internal unit, so that the heat dissipation process of the heating part is completed. Meanwhile, a valve for adjusting heat exchange efficiency is arranged on the heat exchange pipe fitting, and when the temperature inside the heating part is close to the dew point temperature under the current environment, the opening of the valve is controlled to adjust the heat exchange speed so as to prevent the condensation inside the heating part.

The heat dissipation device of the present invention is applied to an electric cabinet of an air conditioner, and the principle and structure of the present invention will be described with reference to the accompanying drawings and embodiments.

As shown in fig. 1, a first heat dissipation plate 1 in the heat dissipation device is fixed on a heat generation surface of an electric cabinet 5, an evaporation section of a heat exchange pipe is fixed on the first heat dissipation plate 1, and the first heat dissipation plate 1 can increase the area of heat conduction to conduct heat in the electric cabinet to the evaporation section of the heat exchange pipe. And in order to further improve the heat conduction, a second heat dissipation plate is further arranged, and the first heat dissipation plate and the second heat dissipation plate are oppositely arranged to clamp the heat exchange pipe fitting in the middle.

Further, the heat exchange pipe member includes: a communication pipe 2 with sealed ports, an evaporation pipe and a condensation pipe. Communicating pipe 2's both ends are evaporation zone and condensation segment respectively, and the evaporation union coupling is the intercommunication between evaporation zone and evaporating pipe and communicating pipe 2, and the condensation pipe is connected and is the intercommunication between condensation segment and condenser pipe and communicating pipe 2. In this embodiment, a first evaporation tube 31, a second evaporation tube 32, a third evaporation tube 33 and a fourth evaporation tube 34 are sequentially and uniformly arranged from one port of the communication tube 2 along the axial direction of the communication tube 2 at intervals, the middle portions of the first evaporation tube 31, the second evaporation tube 32, the third evaporation tube 33 and the fourth evaporation tube 34 are vertically connected with the communication tube 2, a first valve K1 is arranged at the connection position of the first evaporation tube 31 and the communication tube 2, and a second valve K2 is arranged at the connection position of the fourth evaporation tube 34 and the communication tube 2. The first valve K1 and the second valve K2 are both disposed on the evaporation tube or at the connection between the evaporation tube and the communication tube, so the opening degrees of the first valve K1 and the second valve K2 only make the refrigerant flow in the first evaporation tube 31 and the fourth evaporation tube 34 to the communication tube 2, and do not affect the refrigerant flow in the communication tube 2. Similarly, the other port of the communication pipe 2 is sequentially and uniformly provided with the first condensation pipe 41, the second condensation pipe 42, the third condensation pipe 43 and the fourth condensation pipe 44 at intervals along the axial direction of the communication pipe 2, the middle parts of the first condensation pipe 41, the second condensation pipe 42, the third condensation pipe 43 and the fourth condensation pipe 44 are vertically connected with the communication pipe 2, the communication pipe 2 is provided with a third valve K3, and the third valve K3 is located between the fourth evaporation pipe 34 and the fourth condensation pipe 44. And at first condenser pipe 41, second condenser pipe 42, be equipped with radiating fin on the surface of third condenser pipe 43 and fourth condenser pipe 44, because the heat dissipation of condensation segment is the comdenstion water cooling that relies on the air conditioner internal unit, so place first condenser pipe 41, second condenser pipe 42, third condenser pipe 43 and fourth condenser pipe 44 in the below of the air conditioner internal unit drain pipe when the design, and be equipped with the nozzle in the terminal drain outlet department of drain pipe, the nozzle is concentrated the comdenstion water and is sprayed on the condenser pipe, and the heat dissipation efficiency is improved.

To sum up, the refrigerant is filled in the first evaporation tube 31, the second evaporation tube 32, the third evaporation tube 33 and the fourth evaporation tube 34, the refrigerant absorbs the heat inside the electric cabinet and evaporates into a gaseous refrigerant, the gaseous refrigerant flows into the first condensation tube 41, the second condensation tube 42, the third condensation tube 43 and the fourth condensation tube 44 along the communicating tube 2, the high-temperature gaseous refrigerant in the first condensation tube 41, the second condensation tube 42, the third condensation tube 43 and the fourth condensation tube 44 is cooled by the condensed water and then becomes a liquid refrigerant, the liquid refrigerant returns to the evaporation tube, and the above processes are circulated to dissipate heat of the electric cabinet.

Further, the utility model provides a heat abstractor can also control heat exchange efficiency, can prevent that the heat transfer from excessively letting the inside phenomenon that the condensation appears of electric cabinet, also can accelerate the heat dissipation under the great condition of electric cabinet calorific capacity, and this heat abstractor is mainly through controlling first valve K1 to heat exchange efficiency's control, second valve K2 and third valve K3's aperture realize, first valve K1, the switching of evaporation zone heat transfer flow path can be controlled to second valve K2's aperture, thereby increase and decrease heat transfer area controls temperature variation, the aperture of third valve K3 can control the flow of refrigerant in communicating pipe 2, thereby the flow of control heat transfer. In order to realize the control of the opening degree of the first valve K1, the second valve K2 and the third valve K3, the heat sink further comprises: the temperature control system comprises a first temperature sensor arranged in each heating area in the electric cabinet, a second temperature sensor for detecting the environment temperature of the current electric cabinet, and a controller for controlling the opening degree of a first valve K1, a second valve K2 and a third valve K3 according to the temperature of each heating area of each heating element and the environment temperature.

Specifically, as shown in fig. 2, first, the maximum temperature Tmax and the minimum temperature Tmin of each heating area detected by the first temperature sensor are selected, the current environmental dew point temperature Td is calculated according to the current environmental temperature at which the electric cabinet detected by the second temperature sensor is located, the preset temperature margin Ta is obtained according to the specific situation of the distribution of the components inside the electric cabinet, and then the temperature change rate Δ Ts of the minimum temperature Tmin inside the electric cabinet in a unit period is calculated. Meanwhile, according to the specific distribution condition and the use situation of the components in the electric cabinet, determining the preset temperature change rate delta Tb of the electric cabinet in a unit period, the temperature T1 corresponding to the condition that the actual power consumption of the components in the electric cabinet is lower than the normal power consumption state, the temperature T2 corresponding to the condition that the actual power consumption of the components in the electric cabinet is equal to the normal power consumption state and the temperature T3 corresponding to the condition that the actual power consumption of the components in the electric cabinet is higher than the normal power consumption state, and then judging whether the lowest temperature Tmin is less than or equal to the sum of the environment dew point temperature Td and the preset temperature margin Ta.

When Tmin is less than or equal to Td + Ta, the temperature of a heating area at a certain position in the electric cabinet is reduced to the environmental dew point temperature Td with a high probability, and then whether the temperature change rate Delta Ts is less than or equal to the preset temperature change rate Delta Tb is further judged. If the delta Ts is less than or equal to the delta Tb, the temperature in the electric cabinet is reduced or the trend of rising is small, then the temperature of the electric cabinet is lower than the environmental dew point temperature Td, and at the moment, the first valve K1, the second valve K2 and the third valve K3 are controlled to be closed, so that the cooling speed of the electric cabinet is reduced, and condensation in the electric cabinet is prevented; if delta Ts is greater than delta Tb, the temperature in the electric cabinet is in a rising trend, and the heat exchange efficiency can be reduced by controlling the first valve K1 to be fully opened, the second valve K2 to be closed and the third valve K3 to be half opened.

When Tmin is more than Td + Ta, the temperature of each heating area in the electric cabinet is larger than the environmental dew point temperature Td, the condensation situation is not needed to be considered, at the moment, the heat dissipation quantity of components in the electric cabinet is more, the heat exchange efficiency needs to be improved, the electric cabinet is cooled, and then, which temperature interval of the four temperature intervals, namely the Tmax temperature interval (Td + Ta, T1), the second temperature interval (T1, T2), the third temperature interval [ T2, T3] and the fourth temperature interval [ T3, + ∞ ], is required to be further judged, the four temperature intervals all correspond to a set of valve control logic, so the temperature interval in which the Tmax temperature is positioned is judged, and the opening degrees of the first valve K1, the second valve K2 and the third valve K3 are controlled according to the corresponding valve control logic, specifically, when the Tmax is positioned in the first temperature interval (Td + Ta, T1), the temperature in the electric cabinet is lower at the moment, and the first valve K1, the second valve K2 and the third valve K3 are controlled to be closed, half-opened, so that the heat dissipation of the electric cabinet is low in efficiency; when Tmax is in a second temperature interval (T1, T2), the internal temperature of the electric cabinet is relatively high, and at the moment, the first valve K1 is controlled to be fully opened, the second valve K2 is controlled to be closed, and the third valve K3 is controlled to be half opened; when the Tmax is in a third temperature interval [ T2, T3], indicating that the internal temperature of the electric cabinet is higher, controlling the first valve K1 to be fully opened, the second valve K2 to be fully opened and the third valve K3 to be half opened, and cooling by heat exchange at a higher speed; when the Tmax is in a fourth temperature interval [ T3, + ∞ ], the internal temperature of the electric cabinet is extremely high, at the moment, the first valve K1 is controlled to be fully opened, the second valve K2 is controlled to be fully opened, and the third valve K3 is controlled to be fully opened, so that the temperature is reduced through rapid heat exchange.

The utility model also provides an air conditioner, including electric cabinet, air conditioner internal unit and the above heat abstractor.

In other embodiments, the evaporation section of the heat exchange pipe can be embedded in the heat dissipation plate to increase the conduction area, and the heat exchange pipe can be manufactured to be flat to increase the conduction area. And in the concrete implementation, the number, arrangement mode, connection position and the like of the evaporating pipes and the condensing pipes are not limited, the evaporating pipes, the condensing pipes and the communicating pipes 2 are connected in an inclined mode, the number of the valves is not limited, each evaporating pipe can be provided with one valve, and the opening degree of each valve is controlled according to the setting condition of the valve and the temperature condition of a heating area in the electric cabinet.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (12)

1. Heat abstractor, its characterized in that has the heat transfer pipe fitting of refrigerant including inside the pouring, the heat transfer pipe fitting includes: the heat exchange tube comprises an evaporation section and a condensation section which are communicated, wherein the evaporation section is attached to a heating surface of a heating piece, the condensation section is cooled through condensed water of an air conditioner internal unit, and a valve for adjusting heat exchange efficiency is arranged on the heat exchange tube.

2. The heat dissipating device of claim 1, further comprising: first heating panel and second heating panel, first heating panel laminating is connected the face that generates heat of piece, the evaporation zone clamp is established laminate and connection with both between first heating panel and the second heat dissipation version.

3. The heat dissipating device of claim 1, wherein said heat exchange tubing comprises: divide into evaporation zone with the condenser section communicating pipe, at least one with the evaporating pipe that the evaporation zone is connected, at least one with the condenser pipe that the condenser section is connected, communicating pipe the evaporating pipe with the port of communicating pipe is sealed.

4. The heat dissipating device of claim 3, wherein said valve is disposed at a connection between at least one of said evaporating tubes and said communicating tube, and said valve is disposed between said evaporating section and said condensing section on said communicating tube.

5. The heat dissipating device of claim 3, wherein the evaporating pipe and the condensing pipe are connected to the communicating pipe at their middle portions.

6. The heat dissipating device of claim 3, wherein one end of the communication pipe is the evaporation section, a first evaporation pipe, a second evaporation pipe, a third evaporation pipe and a fourth evaporation pipe are sequentially and uniformly spaced along an axial direction of the communication pipe, a first valve K1 is disposed at a connection position of the first evaporation pipe and the communication pipe, and a second valve K2 is disposed at a connection position of the fourth evaporation pipe and the communication pipe.

7. The heat dissipating device according to claim 6, wherein the other end of the communication pipe is the condensation section, the first condensation pipe, the second condensation pipe, the third condensation pipe and the fourth condensation pipe are sequentially and uniformly spaced along the axial direction of the communication pipe, the communication pipe is provided with a third valve K3, and the third valve K3 is located between the fourth evaporation pipe and the fourth condensation pipe.

8. The heat dissipating device of claim 7, further comprising: the temperature control device comprises a first temperature sensor arranged in each heating area of each heating element, a second temperature sensor used for detecting the ambient temperature, and a controller used for controlling the opening degree of each valve according to the temperature of each heating area of each heating element and the ambient temperature.

9. The heat dissipating device of claim 3, wherein a plurality of heat dissipating fins are provided on an outer surface of said condensation duct.

10. The heat dissipating device of claim 1, wherein said valve is a solenoid valve and said heat generating member is an electric cabinet.

11. An air conditioner, comprising an electric cabinet and an air conditioner indoor unit, and further comprising a heat dissipation device as claimed in any one of claims 1 to 10.

12. The air conditioner according to claim 11, wherein the end of the drain pipe of the indoor unit of the air conditioner is provided with a nozzle, and the water outlet of the nozzle faces the condensation pipe connected with the condensation section.

Images