CN207099540U - The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner - Google Patents

The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner Download PDF

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Publication number
CN207099540U
CN207099540U CN201721097851.8U CN201721097851U CN207099540U CN 207099540 U CN207099540 U CN 207099540U CN 201721097851 U CN201721097851 U CN 201721097851U CN 207099540 U CN207099540 U CN 207099540U
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CN
China
Prior art keywords
circuit board
power component
metal cooling
conductive insulating
board assemblies
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Application number
CN201721097851.8U
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Chinese (zh)
Inventor
鲍殿生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201721097851.8U priority Critical patent/CN207099540U/en
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Abstract

The utility model discloses a kind of circuit board assemblies,The electric-controlled box and air conditioner of air conditioner,Wherein,The circuit board assemblies include circuit board,Power component,Metal cooling board and thermally conductive insulating layer,The power component is on the circuit board,The metal cooling board offers the holding tank of cooling matchmaker cooling line installation,The thermally conductive insulating layer is arranged between the metal cooling board and the power component,The metal cooling board and the power component to be insulated,And the metal cooling board and the power component thermal conductivity are connect,The thermally conductive insulating layer includes at least two layers of heat conductive insulating soft layer,And the heat conduction hard layer between two layers of heat conductive insulating soft layer,The circuit board assemblies can be taken into account efficiently to be radiated to the power component,The power component is insulated again simultaneously,And the structural strength of thermally conductive insulating layer is good and not easily damaged.

Description

The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner
Technical field
The utility model is related to air conditioner technical field, more particularly to a kind of circuit board assemblies, air conditioner electric-controlled box with And air conditioner.
Background technology
The use of convertible frequency air-conditioner is more and more extensive at present, and the popularization of particularly high-power frequency conversion air-conditioning is more and more wider, still The power component of convertible frequency air-conditioner such as IGBT device (English full name:Insulated Gate Bipolar Transistor, Chinese:Insulated gate bipolar transistor) and diode etc. due to the limitation of technique, be all to use at present to reliably radiate Nonisulated design, thus brings a stubborn problem, because power component is all to carry high pressure at work, It is again simultaneously to be operated in high current pattern, heating is very severe, so having to reliably be radiated, takes into account again reliable Insulation.
Utility model content
Main purpose of the present utility model is to propose a kind of circuit board assemblies, the electric-controlled box and air conditioner of air conditioner, purport Power component can preferably cooled down, while ensureing again and power component is preferably insulated.
To achieve the above object, the utility model provides a kind of circuit board assemblies, for the electric-controlled box of air conditioner, the electricity Road board component includes:
Circuit board;
Power component, on the circuit board;
Metal cooling board, on the power component, the metal cooling board offers cooling matchmaker cooling line peace The holding tank of dress;And
Thermally conductive insulating layer, it is arranged between the metal cooling board and the power component, to the metal is cold But plate and power component insulation, and the metal cooling board and the power component thermal conductivity are connect, the heat conduction is exhausted Edge layer includes at least two layers of heat conductive insulating soft layer and the heat conduction hard between two layers of heat conductive insulating soft layer Layer.
Preferably, the material of the heat conductive insulating soft layer is heat conductive silica gel or heat-conducting silicone grease.
Preferably, the material of the heat conduction hard layer is metal.
Preferably, the material of the metal cooling board is aluminium.
Preferably, a surface of the metal cooling board back to the circuit board offers a plurality of holding tank.
Preferably, the metal cooling board is provided with mounting groove back to a surface of circuit board, is provided with the mounting groove exhausted Edge block;
The circuit board assemblies also include the first spiro connecting piece, and first spiro connecting piece passes through the collets and the heat conduction Insulating barrier connects with the power component.
Preferably, the metal cooling board is respectively equipped with the installation back to two surfaces in face of the circuit board Groove, the mounting groove on described two surfaces is in being oppositely arranged and the collets being equipped with it, to form a pair of collets
First spiro connecting piece passes through the pair of collets, connects with the thermally conductive insulating layer and the power component Connect.
Preferably, the material of the collets is ceramics.
Preferably, the collets are spirally connected by the second spiro connecting piece is fixed to the bottom wall of the mounting groove.
Preferably, the circuit board is provided with insulating mounting frame, and the power component is located at the insulating mounting inframe, The insulating mounting inframe is also equipped with multiple control chips;
The metal cooling board is on the insulating mounting frame.
Preferably, the power component includes at least one of IGBT device and diode.
The utility model also provides a kind of electric-controlled box of air conditioner, including box body and the circuit board group in the box body Part, the circuit board assemblies include:
Circuit board;
Power component, on the circuit board;
Metal cooling board, on the power component, the metal cooling board offers cooling matchmaker cooling line peace The holding tank of dress;And
Thermally conductive insulating layer, it is arranged between the metal cooling board and the power component, to the metal is cold But plate and power component insulation, and the metal cooling board and the power component thermal conductivity are connect, the heat conduction is exhausted Edge layer includes at least two layers of heat conductive insulating soft layer and the heat conduction hard between two layers of heat conductive insulating soft layer Layer.
The utility model provides a kind of air conditioner again, including:
The electric-controlled box of air conditioner, the electric-controlled box of the air conditioner include box body and the circuit board group in the box body Part, the circuit board assemblies include circuit board, power component, metal cooling board and thermally conductive insulating layer;The power member device Part is on the circuit board, and the metal cooling board is on the power component, and the metal cooling board offers The holding tank of cooling matchmaker cooling line installation, the thermally conductive insulating layer are arranged on the metal cooling board and the power component Between, the metal cooling board and the power component to be insulated, and the metal cooling board and the power is first Device thermal conductivity connects, and the thermally conductive insulating layer includes at least two layers of heat conductive insulating soft layer and positioned at two layers of heat conductive insulating Heat conduction hard layer between soft layer;And
The refrigerant cooling line, is connected in the refrigerant pipeline system of the air conditioner, the refrigerant cooling tube appearance of a street It is located at the holding tank.
In technical scheme provided by the utility model, refrigerant cooling line passes through metal cooling board and thermally conductive insulating layer and institute State power component thermal conductivity to connect, efficiently to cool down the power component, while the thermally conductive insulating layer can be by institute State power component to insulate with the metal cooling board, the power component efficiently radiated it is thus possible to take into account, Simultaneously again the power component is insulated, also, the thermally conductive insulating layer include at least two layers of heat conductive insulating soft layer, And the heat conduction hard layer between two layers of heat conductive insulating soft layer, the heat conduction hard layer can be pointed to described lead Heat conductive insulating soft layer between hot hard layer and the metal cooling board is protected and avoids it impaired.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the perspective exploded view of an embodiment of circuit board assemblies provided by the utility model;
Fig. 2 is the combination diagram for the circuit board assemblies that Fig. 1 is provided;
Fig. 3 is Fig. 2 schematic cross-sectional view.
Drawing reference numeral explanation:
Label Title Label Title
100 Circuit board assemblies 41 Heat conductive insulating soft layer
1 Circuit board 42 Heat conduction hard layer
2 Power component 5 Collets
3 Metal cooling board 6 First spiro connecting piece
31 Holding tank 7 Second spiro connecting piece
32 Mounting groove 8 Insulating mounting frame
4 Thermally conductive insulating layer
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model provides a kind of air conditioner, and in particular transducer air conditioning, air conditioner includes the electric-controlled box of air conditioner, The electric-controlled box of air conditioner includes box body and the circuit board assemblies in the box body, the power member device as transducer air conditioning Part (including at least one of IGBT device, diode etc.) is all at present to reliably radiate due to the limitation of technique Nonisulated design is employed, such as the outer face of IGBT device is provided with a metallic heat radiating plate, by the power component Inner member heat derives, cooling and insulation accordingly, for power component are particularly important.
In consideration of it, the utility model provides a kind of circuit board assemblies, Fig. 1 to Fig. 3 is circuit board provided by the utility model One embodiment of component, Fig. 1 to Fig. 3 is referred to, it is cold that the circuit board assemblies 100 include circuit board 1, power component 2, metal But plate 3 and thermally conductive insulating layer 4.
The power component 2 specifically, other electronics is additionally provided with the circuit board 1 on the circuit board 1 Device such as electric capacity, resistance and some control chips etc..
The metal cooling board 3 offers cooling matchmaker cooling line, and (the refrigerant cooling line is connected to the cold of air conditioner In matchmaker's pipe-line system) holding tank 31 of installation, the metal cooling board 3 is on the circuit board 1, and positioned at power member On device 2, specifically, the circuit board 1 is provided with insulating mounting frame 8, and the power component 2 is located at the insulating mounting frame In 8, multiple control chips are also equipped with the insulating mounting frame 8, the metal cooling board 3 is located at the insulating mounting frame 8 On.
The thermally conductive insulating layer 4 is arranged between the metal cooling board 3 and the power component 2, to by described in Metal cooling board 3 and the power component 2 are insulated, and the metal cooling board 3 and the thermal conductivity of the power component 2 are connect, The thermally conductive insulating layer 4 includes at least two layers of heat conductive insulating soft layer 41 and positioned at two layers of heat conductive insulating soft layer 41 Between heat conduction hard layer 42.
In technical scheme provided by the utility model, refrigerant cooling line by metal cooling board 3 and thermally conductive insulating layer 4 with The thermal conductivity of power component 2 connects, efficiently to be cooled down to the power component 2, while the meeting of the thermally conductive insulating layer 4 The power component 2 and the metal cooling board 3 are insulated, the power component 2 carried out efficiently it is thus possible to take into account Ground is radiated, while the power component 2 is insulated again.
Also, the thermally conductive insulating layer 4 includes at least two layers of heat conductive insulating soft layer 41 and positioned at two layers of the heat conduction Heat conduction hard layer 42 between insulation soft layer 41, the effect of the heat conduction hard layer 42 are to play to protect the heat conductive insulating soft The effect of matter layer 41, the especially heat conduction of the protection between the heat conduction hard layer 42 and the metal cooling board 3 are exhausted Edge soft layer 41, according to the heat conductive insulating soft layer of the individual layer of routine, the heat conductive insulating soft layer of the individual layer is easily by hard Structure, such as structure on circuit board 1 damages and damaged, and then can influence insulating properties, in the present embodiment, positioned at institute The heat conductive insulating soft layer 41 between heat conduction hard layer 42 and the metal cooling board 3 is stated, it is hard to be protected in the heat conduction Between matter layer 42 and the metal cooling board 3, and be not easy by extraneous adamant breakage.
The metal cooling board 3 is the preferable metal material of heat conductivility, for example, copper, iron, aluminium etc., in the present embodiment In, the material of the metal cooling board 3 is aluminium, because aluminium has the advantages that light, cheap and thermal conductivity factor is high.
The one side of heat conductive insulating soft layer 41 plays a part of heat conduction, also will the metal cooling board 3 and described The thermal conductivity of power component 2 connects, and on the other hand plays a part of insulation, also will the power component 2 and metal cooling Plate 3 insulate, and the material of the heat conductive insulating soft layer 41 is heat conductive silica gel or heat-conducting silicone grease, it is clear that the heat conductive insulating soft layer 41 can also use other materials.
The heat conduction hard layer 42 necessarily requires have enough intensity, is at least required to heat conduction in addition, therefore, at this In embodiment, the material of the heat conduction hard layer 42 is metal, for example, copper, iron, aluminium etc..
In the present embodiment, a surface of the metal cooling board 3 back to the circuit board 1 offers a plurality of receiving Groove 31, can be installed with for more refrigerant cooling tubes or a refrigerant cooling tube is installed with back and forth, and then can improve metal Heat exchange area between coldplate 3 and the refrigerant cooling tube, and improve cooling effect.
In the present embodiment, the metal cooling board 3 is provided with mounting groove 32, the installation back to a surface of circuit board 1 Collets 5 are provided with groove 32, the circuit board assemblies 100 also include the first spiro connecting piece 6, and first spiro connecting piece passes through described exhausted Edge block 5 is connected with the thermally conductive insulating layer 4 and the power component 2, the collets 5 avoid the power component 2 with The metal cooling board 3 is connected by first spiro connecting piece 6.
Further, in the present embodiment, the metal cooling board 3 back to in face of two surfaces of the circuit board 1 The mounting groove 32 is respectively equipped with, the mounting groove 32 on described two surfaces is in be oppositely arranged and the collets 5 are equipped with it, To form a pair of collets 5;First spiro connecting piece 6 passes through a pair of collets 5, with the thermally conductive insulating layer 4 and The power component 2 connects.So as to which two collets 5 can lift the power component 2 and be cooled down with the metal Insulating properties between plate 3.
The material of the collets 5 be can be, but not limited to as ceramics, it is clear that other insulating materials are also suitable.
In the present embodiment, the collets 5 are spirally connected by the second spiro connecting piece 7 is fixed to the bottom wall of the mounting groove 32, Obviously, the design not limited to this, can also be that holding is consolidated between the mounting groove 32 of the collets 5 and the metal cooling board 3 Fixed, viscose glue fixation etc..
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in Other related technical areas are included in scope of patent protection of the present utility model.

Claims (13)

1. a kind of circuit board assemblies, the electric-controlled box for air conditioner, it is characterised in that the circuit board assemblies include:
Circuit board;
Power component, on the circuit board;
Metal cooling board, on the power component, the metal cooling board offers the installation of cooling matchmaker cooling line Holding tank;And
Thermally conductive insulating layer, it is arranged between the metal cooling board and the power component, to by the metal cooling board Insulate, and the metal cooling board and the power component thermal conductivity are connect, the thermally conductive insulating layer with the power component Including at least two layers of heat conductive insulating soft layer and the heat conduction hard layer between two layers of heat conductive insulating soft layer.
2. circuit board assemblies according to claim 1, it is characterised in that the material of the heat conductive insulating soft layer is heat conduction Silica gel or heat-conducting silicone grease.
3. circuit board assemblies according to claim 1, it is characterised in that the material of the heat conduction hard layer is metal.
4. circuit board assemblies according to claim 1, it is characterised in that the material of the metal cooling board is aluminium.
5. circuit board assemblies according to claim 1, it is characterised in that the metal cooling board is back to the circuit board One surface offers a plurality of holding tank.
6. circuit board assemblies according to claim 1 a, it is characterised in that table of the metal cooling board back to circuit board Face is provided with mounting groove, and collets are provided with the mounting groove;
The circuit board assemblies also include the first spiro connecting piece, and first spiro connecting piece passes through the collets and the heat conductive insulating Layer connects with the power component.
7. circuit board assemblies according to claim 6, it is characterised in that the metal cooling board back to in face of the electricity Two surfaces of road plate are respectively equipped with the mounting groove, and the mounting groove on described two surfaces is in be oppositely arranged and be all provided with it Collets are stated, to form a pair of collets
First spiro connecting piece passes through the pair of collets, is connected with the thermally conductive insulating layer and the power component.
8. the circuit board assemblies according to claim 6 or 7, it is characterised in that the material of the collets is ceramics.
9. the circuit board assemblies according to claim 6 or 7, it is characterised in that the collets pass through the second spiro connecting piece spiral shell Connect the bottom wall for being fixed to the mounting groove.
10. circuit board assemblies according to claim 1, it is characterised in that the circuit board is provided with insulating mounting frame, institute State power component and be located at the insulating mounting inframe, the insulating mounting inframe is also equipped with multiple control chips;
The metal cooling board is on the insulating mounting frame.
11. circuit board assemblies according to claim 1, it is characterised in that the power component include IGBT device and At least one of diode.
12. a kind of electric-controlled box of air conditioner, it is characterised in that the circuit board assemblies including box body and in the box body, institute Circuit board assemblies are stated as the circuit board assemblies as described in claim 1 to 11 any one.
A kind of 13. air conditioner, it is characterised in that including:
The electric-controlled box of air conditioner as claimed in claim 12;And
Refrigerant cooling line, it is connected in the refrigerant pipeline system of the air conditioner, the refrigerant cooling line is installed with described Holding tank.
CN201721097851.8U 2017-08-29 2017-08-29 The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner Active CN207099540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721097851.8U CN207099540U (en) 2017-08-29 2017-08-29 The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721097851.8U CN207099540U (en) 2017-08-29 2017-08-29 The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner

Publications (1)

Publication Number Publication Date
CN207099540U true CN207099540U (en) 2018-03-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107567244A (en) * 2017-08-29 2018-01-09 广东美的制冷设备有限公司 The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107567244A (en) * 2017-08-29 2018-01-09 广东美的制冷设备有限公司 The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner

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