CN110645640A - Electric appliance box and outdoor unit with high heat dissipation efficiency - Google Patents
Electric appliance box and outdoor unit with high heat dissipation efficiency Download PDFInfo
- Publication number
- CN110645640A CN110645640A CN201911024917.4A CN201911024917A CN110645640A CN 110645640 A CN110645640 A CN 110645640A CN 201911024917 A CN201911024917 A CN 201911024917A CN 110645640 A CN110645640 A CN 110645640A
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- Prior art keywords
- heat dissipation
- heat
- dissipation structure
- temperature
- refrigerant
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/22—Arrangement or mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides an electric appliance box and an outdoor unit with high heat dissipation efficiency. The electrical box comprises a shell, a plurality of heating elements and a heat dissipation structure, wherein the heating elements are arranged inside the shell, the heat dissipation structure is arranged inside the shell, one or more heating elements are arranged on the heat dissipation structure in a contact mode, and the rest heating elements are located in a heat dissipation area of the heat dissipation structure. Directly set up heat radiation structure inside the casing, and carry out the contact heat dissipation with partial heating element and heat radiation structure, can guarantee heat radiation structure to the inside temperature control of casing simultaneously, utilize inside the refrigerant pipeline introduces the casing with the low temperature refrigerant simultaneously, the heat transfer effect of refrigerant has been increased for prior art, the fin can increase heat radiation structure's radiating effect, utilize temperature sensor to detect the casing internal temperature and utilize the temperature and the aperture of presetting temperature ratio regulation throttle mechanism, the sensible heat and the latent heat of rational utilization refrigerant dispel the heat, finally, the radiating efficiency of electrical apparatus box is increased.
Description
Technical Field
The invention relates to the technical field of heat dissipation of electronic components, in particular to an electric box and an outdoor unit with high heat dissipation efficiency.
Background
With the development of air conditioning technology, the use field of air conditioning equipment is wider and wider, and the use environment is more and more severe. The operation of the electrical components in the electrical box of the air conditioner generates heat, and the too high temperature can cause the service life of the electrical components to be short, the operation efficiency to be reduced, and even the electrical components to be burnt, so in order to ensure the stable operation of the electrical box of the air conditioner, the components in the electrical box need to be cooled, so that the air conditioner can operate reliably, and the prior outdoor unit of the air conditioner uses a refrigerant as a heat exchange medium for heat radiation. The existing refrigerant heat dissipation structure mostly adopts the refrigerant heat dissipation assembly to be fixed on the front or side of the shell of the electrical box shell assembly due to the space limitation inside the air conditioner outdoor unit, and the refrigerant pipeline for heat dissipation is arranged on the front or side of the shell of the electrical box shell assembly, so that the problem of poor refrigerant heat dissipation effect exists
Disclosure of Invention
In order to solve the technical problem that the existing electric appliance box is poor in cooling efficiency by adopting a cooling medium, the electric appliance box and the outdoor unit are high in cooling efficiency, wherein the cooling medium is introduced into the electric appliance box, and the heating element is directly contacted with the cooling structure for cooling.
The utility model provides an electrical box, includes the casing and set up in a plurality of heating element of casing inside still includes heat radiation structure, heat radiation structure set up in inside the casing, and one or more heating element contact set up in heat radiation structure is last, remains heating element is in heat radiation structure's heat dissipation area.
The heat dissipation structure comprises a body and a refrigerant pipeline arranged on the body, the heating element arranged on the heat dissipation structure is abutted to the outer side face of the body, and the refrigerant pipeline is communicated with an external refrigeration system.
The body is provided with a first side surface, and the heating element arranged on the heat dissipation structure is arranged on the first side surface.
The body also has a second side opposite the first side, the second side facing the remaining heat-generating elements.
The heat dissipation structure further comprises fins, and the fins are vertically arranged on the second side face.
The heating element comprises a filter and a driving plate, the driving plate is arranged on the first side face in a contact mode, and the second side face faces the filter.
The electrical box further comprises a main board, and the main board is arranged on the outer side of the shell.
The electric appliance box further comprises a temperature sensor and a throttling mechanism, the throttling mechanism is arranged on the refrigerant pipeline, the temperature sensor is arranged in the shell and electrically connected with the throttling mechanism, when the detection temperature of the temperature sensor is lower than a set temperature, the opening degree of the throttling mechanism is maximum, and when the monitoring temperature of the temperature sensor is higher than the set temperature, the opening degree of the throttling mechanism is in a dynamically adjusted throttling state.
An outdoor unit comprises the electric appliance box.
The outdoor unit comprises an outdoor heat exchanger, the heat dissipation structure comprises a body and a refrigerant pipeline arranged on the body, and the refrigerant pipeline is communicated with the outdoor heat exchanger through a throttling mechanism.
The outdoor unit further comprises an indoor unit connecting pipe, the refrigerant pipeline is communicated with the indoor unit connecting pipe and enters the indoor unit connecting pipe after heat exchange of the refrigerant pipeline.
According to the electric box and the outdoor unit with high heat dissipation efficiency, the heat dissipation structure is directly arranged in the shell, and part of heating elements are in contact with the heat dissipation structure for heat dissipation, so that the heat dissipation effect of the heat dissipation structure is improved, the temperature control of the heat dissipation structure on the interior of the shell can be ensured, meanwhile, a low-temperature refrigerant is introduced into the shell through the refrigerant pipeline, compared with the prior art, the heat exchange effect of the refrigerant is improved, the fins can improve the heat dissipation effect of the heat dissipation structure, the temperature in the shell is detected through the temperature sensor, the opening degree of the throttling mechanism is adjusted through the comparison of the temperature and the preset temperature, the sensible heat and the latent heat of the refrigerant are reasonably utilized for heat dissipation.
Drawings
Fig. 1 is a schematic structural view of an electrical box according to an embodiment of an electrical box and an outdoor unit with high heat dissipation efficiency provided by the present invention;
fig. 2 is an exploded view of an electric box according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an outdoor unit of an embodiment of an electrical box and an outdoor unit with high heat dissipation efficiency according to the present invention;
fig. 4 is a schematic diagram of an outdoor unit of an embodiment of an electrical box and an outdoor unit with high heat dissipation efficiency according to the present invention;
in the figure:
1. a housing; 2. a heating element; 3. a body; 4. a refrigerant pipeline; 5. ribs; 6. a throttle mechanism; 7. an outdoor heat exchanger.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The electrical box shown in fig. 1 to 4 comprises a housing 1 and a plurality of heating elements 2 disposed inside the housing 1, and further comprises a heat dissipation structure, wherein the heat dissipation structure is disposed inside the housing 1, one or more heating elements 2 are disposed on the heat dissipation structure in a contacting manner, the remaining heating elements 2 are disposed in a heat dissipation area of the heat dissipation structure, the heat dissipation area is an effective working area where the heat dissipation structure can dissipate heat, the reliable heat dissipation of the heating elements 2 can be effectively ensured by disposing the heating elements 2 in the heat dissipation area, the disposition position of the heating elements can be selected according to the volume of the housing and the volume of the heat dissipation area, for example, when the volume of the housing is too large, the heating elements are disposed around the heat dissipation structure, and when the volume of the housing is matched with the volume of the heat dissipation area, the heating elements can be selectively disposed directly on the housing, and when the volume in heat dissipation region has surpassed the volume of casing, can set up heating element in the outside of casing, thereby reduce the inside structure complexity of casing and heating element's the degree of piling up, thereby rationally arrange heating element under the prerequisite of guaranteeing the radiating efficiency, set up heat radiation structure inside casing 1, and utilize heat radiation structure directly to contact the heat dissipation with partial heating element 2, overcome among the prior art and set up heat radiation structure in casing 1 outside and utilize the air to carry out the heat conduction and the problem that the radiating efficiency that causes is low.
The heat radiation structure comprises a body 3 and a refrigerant pipeline 4 arranged on the body 3, the heating element 2 is abutted to the outer side face of the body 3, the refrigerant pipeline 4 is communicated with an external refrigeration system, and a low-temperature refrigerant is introduced into the shell 1 through the refrigerant pipeline 4, so that the heat exchange efficiency of the refrigerant is increased, and the problem that the heat exchange efficiency is low due to the fact that the refrigerant is only guided to the outer surface of the shell 1 in the prior art is solved.
The body 3 has a first side, set up in on the heat radiation structure heating element 2 set up in on the first side, guarantee aforementioned heating element 2's reliable heat dissipation to make remaining heating element 2 set up in 3 week sides of body, wherein the body 3 can have a plurality of sides, and make each side all match the heat dissipation with one or more heating element 2, thereby the radiating effect of make full use of body dispels the heat.
The body 3 is also provided with a second side surface opposite to the first side surface, the second side surface faces the rest of the heating element 2, namely the body 3 is positioned in the middle of the shell 1, so that the heat dissipation structure can dissipate heat of the electric appliance box at the ring temperature, the overall heat dissipation effect of the electric appliance box is ensured, the second side surface points to the heating element 2, the cold energy of the heat dissipation structure can be promoted to flow to the heating element 2, and the heat dissipation effect of the heating element 2 is increased.
The heat dissipation structure further comprises fins 5, wherein the fins 5 are vertically arranged on the second side face, so that the heat dissipation area of the heat dissipation structure is increased, and the heat dissipation effect is improved.
The heating element 2 includes a filter and a driving board disposed in contact on the first side surface, and the second side surface faces the filter.
The electrical apparatus box still includes the mainboard, and the calorific capacity of mainboard is little, consequently can with the mainboard set up in the outside of casing 1, heat radiation structure can be enough to satisfy the heat dissipation demand of mainboard to the cooling of casing to the radiating effect of ring temperature of casing to guarantee to reduce the inside structure complexity of casing under the reliable radiating prerequisite.
The refrigerant pipeline 4 is provided with a throttling mechanism 6 and a temperature sensor, the temperature sensor is arranged in the shell 1 and is electrically connected with the throttling mechanism 6, when the detected temperature of the temperature sensor is lower than a set temperature, the opening degree of the throttling mechanism 6 is maximum, when the monitored temperature of the temperature sensor is higher than the set temperature, the opening degree of the throttling mechanism 6 is in a dynamically adjusted throttling state, wherein the temperature sensor is used for detecting the ambient temperature in the shell 1 and preferably enabling the set temperature to be at the optimal working temperature of the heating element 2, the working state of the throttling mechanism 6 is adjusted by comparing the temperature detected by the temperature sensor with the set temperature, and when the detected temperature is higher than the set temperature, the fact that a large amount of heat dissipation is required inside the electrical appliance box is proved, so that the throttling mechanism 6 is in the throttling state, the refrigerant carries out the phase transition heat transfer through the throttle of throttle mechanism 6 to utilize the latent heat of refrigerant to dispel the heat, and when the temperature that detects is less than or equal to the settlement temperature, prove that the electrical apparatus box is inside does not need a large amount of heat dissipations or does not need the heat dissipation, thereby makes throttle mechanism 6 be in and lets the flow state, and the refrigerant directly passes through throttle mechanism 6 and does not produce the phase transition, only utilizes the temperature of refrigerant to dispel the heat to the electrical apparatus box is inside, realizes the sensible heat dissipation of refrigerant.
An outdoor unit comprises the electric appliance box.
The outdoor unit comprises an outdoor heat exchanger 7, the heat dissipation structure comprises a body 3 and a refrigerant pipeline 4 arranged on the body 3, the refrigerant pipeline 4 is communicated with the outdoor heat exchanger 7 through a throttling mechanism 6, low-temperature refrigerants formed at the outdoor heat exchanger 7 are sent into the refrigerant pipeline 4 to be dissipated, and the refrigerants of the special outdoor heat exchanger 7 completely pass through the heat dissipation structure.
The outdoor unit further comprises an indoor unit connecting pipe, the refrigerant pipeline 4 is communicated with the indoor unit connecting pipe, and the refrigerant passing through the refrigerant pipeline 4 enters the indoor unit connecting pipe after heat exchange, so that the refrigerant passing through the heat dissipation structure enters a heat exchange cycle of the outdoor unit.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. An electrical box, includes casing (1) and sets up in a plurality of heating element (2) inside casing (1), its characterized in that: the electrical box further comprises a heat dissipation structure, the heat dissipation structure is arranged inside the shell (1), one or more heating elements (2) are arranged on the heat dissipation structure in a contact mode, and the rest heating elements (2) are located in a heat dissipation area of the heat dissipation structure.
2. The appliance cartridge of claim 1, wherein: the heat dissipation structure comprises a body (3) and a refrigerant pipeline (4) arranged on the body (3), wherein the heating element (2) arranged on the heat dissipation structure is abutted to the outer side surface of the body (3), and the refrigerant pipeline (4) is communicated with an external refrigeration system.
3. The appliance cartridge of claim 2, wherein: the body (3) is provided with a first side surface, and the heating element (2) arranged on the heat dissipation structure is arranged on the first side surface.
4. The appliance cartridge of claim 3, wherein: the body also has a second side opposite to the first side, the second side facing the remaining heating elements (2).
5. The appliance cartridge of claim 4, wherein: the heat dissipation structure further comprises fins (5), and the fins (5) are vertically arranged on the second side face.
6. The appliance cartridge of claim 4, wherein: the heating element (2) comprises a filter and a driving plate, the driving plate is arranged on the first side face in a contact mode, and the second side face faces the filter.
7. The appliance cartridge of claim 1, wherein: the electrical box further comprises a main board, and the main board is arranged on the outer side of the shell (1).
8. The appliance cartridge of claim 2, wherein: the electric appliance box further comprises a temperature sensor and a throttling mechanism (6), the throttling mechanism (6) is arranged on the refrigerant pipeline (4), the temperature sensor is arranged in the shell (1), the temperature sensor is electrically connected with the throttling mechanism (6), when the detection temperature of the temperature sensor is smaller than a set temperature, the opening degree of the throttling mechanism (6) is maximum, and when the monitoring temperature of the temperature sensor is larger than the set temperature, the opening degree of the throttling mechanism (6) is in a dynamically adjusted throttling state.
9. An outdoor unit, its characterized in that: an appliance box comprising any of claims 1 to 8.
10. The outdoor unit of claim 9, wherein: the outdoor unit comprises an outdoor heat exchanger (7), the heat dissipation structure comprises a body (3) and a refrigerant pipeline (4) arranged on the body (3), and the refrigerant pipeline (4) is communicated with the outdoor heat exchanger (7) through a throttling mechanism (6).
11. The outdoor unit of claim 10, wherein: the outdoor unit further comprises an indoor unit connecting pipe, the refrigerant pipeline (4) is communicated with the indoor unit connecting pipe and enters the indoor unit connecting pipe after heat exchange of refrigerant of the refrigerant pipeline (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911024917.4A CN110645640A (en) | 2019-10-25 | 2019-10-25 | Electric appliance box and outdoor unit with high heat dissipation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911024917.4A CN110645640A (en) | 2019-10-25 | 2019-10-25 | Electric appliance box and outdoor unit with high heat dissipation efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110645640A true CN110645640A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911024917.4A Pending CN110645640A (en) | 2019-10-25 | 2019-10-25 | Electric appliance box and outdoor unit with high heat dissipation efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110645640A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442418A (en) * | 2020-05-11 | 2020-07-24 | 珠海格力电器股份有限公司 | Electrical box, air conditioner and control method of air conditioner |
| CN111442439A (en) * | 2020-03-20 | 2020-07-24 | 海信（山东）空调有限公司 | Variable frequency air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111442439A (en) * | 2020-03-20 | 2020-07-24 | 海信（山东）空调有限公司 | Variable frequency air conditioning system |
| CN111442418A (en) * | 2020-05-11 | 2020-07-24 | 珠海格力电器股份有限公司 | Electrical box, air conditioner and control method of air conditioner |
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