CN210241946U

CN210241946U - Variable frequency air conditioner control panel and air conditioner

Info

Publication number: CN210241946U
Application number: CN201921207498.3U
Authority: CN
Inventors: Weijian Zhou; 周伟坚
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-03
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a variable frequency air conditioner control panel and air conditioner, variable frequency air conditioner control panel includes: the circuit board is provided with a clamping structure; the frequency conversion module is attached to the circuit board; the radiator is abutted against one surface of the frequency conversion module, which is far away from the circuit board; the fixing piece is connected with the radiator and is in clamping fit with the clamping structure. The variable frequency air conditioner control panel of the utility model is connected with the radiator through the fixing part and is clamped with the circuit board, so that the radiator is fixedly connected with the circuit board through the clamping mode, and the connecting structure of the variable frequency module and the radiator is reduced, therefore, the variable frequency module can form an adsorption surface for being absorbed by a suction nozzle of the surface mounting technology, the automatic mounting of the variable frequency module is realized, and the assembly efficiency is improved; in addition, compared with manual operation, automatic mounting of the frequency conversion module can reduce the product damage rate caused by excessive force or static electricity, so that the production cost is reduced.

Description

Variable frequency air conditioner control panel and air conditioner

Technical Field

The utility model relates to an air conditioner technical field, in particular to variable frequency air conditioner control panel and air conditioner.

Background

The control of an outdoor unit fan of the existing full-direct-current variable-frequency air conditioner adopts an external drive control mode, a variable-frequency drive module is installed on an outdoor unit main control board, the variable-frequency power modules of the mainstream in the industry at present adopt a plug-in type production and assembly process, the variable-frequency power modules and a radiator are connected into an assembly through fastening screws, the variable-frequency power modules and the radiator are conducted and radiated through heat-conducting silicone grease, and finally the variable-frequency power modules and the radiator are installed on an outdoor main control PCB board in a manual plug-in mode and then assembled through wave soldering. However, the process of the assembly method basically needs to be completed manually, which results in low assembly efficiency of the variable frequency power module.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frequency conversion air conditioner control panel, aim at solving the technical problem who how to improve frequency conversion module's assembly efficiency.

In order to achieve the above object, the utility model provides a variable frequency air conditioner control panel, include: the circuit board is provided with a clamping structure;

the frequency conversion module is attached to the circuit board;

the radiator is abutted against one surface of the frequency conversion module, which is far away from the circuit board;

the fixing piece is connected with the radiator and is in clamping fit with the clamping structure.

Optionally, the clamping structure includes a clamping hole formed in the circuit board, and the fixing member includes a clamping portion adapted to the clamping hole;

or, the clamping structure comprises a buckle which is convexly arranged on the circuit board, and the fixing piece comprises a clamping hole matched with the buckle.

Optionally, the clamping portion includes an elastic arm and a clamping protrusion disposed at a distal end of the elastic arm.

Optionally, the number of the elastic arms is two, a deformation gap is formed between the two elastic arms, and the clamping protrusion is arranged on one side of the two elastic arms opposite to each other.

Optionally, the heat sink is formed with a slot, and the fixing member includes a clip plate fitted with the slot.

Optionally, the heat sink includes a substrate abutting against the frequency conversion module, and at least two heat dissipation fins protruding from the substrate, and the clamping plate abuts against the substrate and is clamped between the two heat dissipation fins.

Optionally, the opposite sides of the two heat dissipation fins are convexly provided with limiting ribs, and the limiting ribs, the base plate and the heat dissipation fins are enclosed to form the clamping grooves.

Optionally, two side edges of the clamping plate are provided with upward raised elastic pieces, and the elastic pieces abut against the limiting ribs.

Optionally, the joint structure including set up in the card hole of circuit board, the quantity in card hole is two and is located respectively the both ends of frequency conversion module, the mounting includes the fixed strip, the fixed strip is fixed in the radiator, the both ends orientation of fixed strip the card hole extends and forms with the trip of card hole adaptation.

Optionally, the middle part of the fixing strip is arranged in a concave folding mode towards the circuit board.

Optionally, the fixing member and the heat sink are integrally formed.

Optionally, the material of construction of the mount comprises beryllium copper.

Optionally, the inverter air conditioner control panel further includes a heat conduction fin disposed between the inverter module and the heat sink.

The utility model also provides an air conditioner, including a variable frequency air conditioner control panel, this variable frequency air conditioner control panel includes: the circuit board is provided with a clamping structure; the frequency conversion module is attached to the circuit board; the radiator is abutted against one surface of the frequency conversion module, which is far away from the circuit board; the fixing piece is connected with the radiator and is in clamping fit with the clamping structure.

The variable frequency air conditioner control panel of the utility model is connected with the radiator through the fixing part and is clamped with the circuit board, so that the radiator is fixedly connected with the circuit board through the clamping mode, and the connecting structure of the variable frequency module and the radiator is reduced, therefore, the variable frequency module can form an adsorption surface for being absorbed by a suction nozzle of the surface mounting technology, the automatic mounting of the variable frequency module is realized, and the assembly efficiency is improved; in addition, compared with manual operation, automatic mounting of the frequency conversion module can reduce the product damage rate caused by excessive force or static electricity, so that the production cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a variable frequency air conditioner control panel of the present invention;

fig. 2 is a schematic end view of an embodiment of a variable frequency air conditioner control panel according to the present invention;

fig. 3 is a schematic structural view of an embodiment of a fixing member of the present invention;

FIG. 4 is a schematic structural diagram of another embodiment of the inverter air conditioner control panel of the present invention;

fig. 5 is a schematic structural view of another embodiment of the middle fixing member of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name (R)
						10	Circuit board	20	Frequency conversion module	30	Heat radiator
40	Fixing piece	11	Fastening hole	41	Clamping part
						411	Elastic arm	412	Clamping projection	413	Deformation gap
31	Clamping groove	42	Card board	32	Substrate
						33	Heat sink	331	Spacing rib	421	Spring plate
43	Fixing strip	431	Clamping hook

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a variable frequency air conditioner control panel.

In the embodiment of the present invention, as shown in fig. 1 to fig. 5, the variable frequency air conditioner control panel includes: the circuit board 10 is provided with a clamping structure;

the frequency conversion module 20 is attached to the circuit board 10;

the heat radiator 30 abuts against one surface, away from the circuit board 10, of the frequency conversion module 20;

and the fixing piece 40 is connected with the radiator 30 and is in clamping fit with the clamping structure.

In this embodiment, the inverter air conditioner control panel is configured to be installed on an outdoor unit of an air conditioner. The circuit board 10 is used for mounting the frequency conversion module 20 and other electronic components, and the clamping structure may be a concave structure or a convex structure, which is not limited herein. The frequency conversion module 20 is used for realizing the frequency conversion operation of the air conditioner, and the frequency conversion module 20 is arranged in an integrated block shape, is installed on the circuit board 10 and is electrically connected with the circuit board 10. The frequency conversion module 20 may be attached to the circuit board 10 by a surface mount technology and fixed by soldering. The heat sink 30 is used for cooling and dissipating heat of the frequency conversion module 20, the heat sink 30 may be an aluminum finned heat sink 30, and the heat sink 30 abuts against a surface of the frequency conversion module 20 away from the circuit board 10 to increase a contact area with the frequency conversion module 20, thereby increasing a heat dissipation area of the frequency conversion module 20. The fixing member 40 and the heat sink 30 may be integrally formed, or may be separately connected after production, and only the fixing member 40 needs to be connected to the heat sink 30. The form of the fixing member 40 is not limited, and only the clamping fit with the clamping structure is required. The clamping fit of the fixing member 40 and the clamping structure enables the heat sink 30 to be fixedly connected with the circuit board 10, and since the frequency conversion module 20 and the circuit board 10 are also relatively fixed, the heat sink 30 can be stably lapped on the frequency conversion module 20. The frequency conversion module 20 and the circuit board 10 are fixed by welding, and the heat radiator 30 and the circuit board 10 are clamped and fixed by the clamping structure and the fixing piece 40, so that the frequency conversion module 20 and the heat radiator 30 are relatively fixed; that is, the frequency conversion module 20 does not need to be provided with a structure fixed with the heat sink 30, and the surface smoothness of the frequency conversion module 20 is maintained, so that the frequency conversion module 20 can be sucked by a suction nozzle of a surface mounting technology, the frequency conversion module 20 can be automatically mounted on the circuit board 10, and then the frequency conversion module 20 is fixed by automatic welding, so that the assembly efficiency of the frequency conversion module 20 is improved. In addition, the clamping through the fixing piece 40 is fixed to replace a manual fastening screw to connect and fix the frequency conversion module 20 and the radiator 30, so that the frequency conversion module 20 can be prevented from being damaged due to misoperation, and the damage rate is reduced. Meanwhile, the frequency conversion module 20 is mounted on the automation equipment, so that the risk that the frequency conversion module 20 is invalid due to the fact that high-voltage static electricity is introduced due to the fact that a human body touches a semiconductor device of the frequency conversion module 20 can be avoided, and the reliability of the control panel of the variable frequency air conditioner is improved.

The utility model discloses variable frequency air conditioner control panel is through making mounting 40 be connected with radiator 30 to with circuit board 10 joint, thereby make radiator 30 and circuit board 10 through the mode fixed connection of joint, reduced the connection structure of variable frequency module 20 and radiator 30, from this, make variable frequency module 20 can form the adsorption plane, for the suction nozzle absorption of surface mounting technique, realize the automatic subsides of frequency module 20, improve assembly efficiency; in addition, the automatic mounting of the inverter module 20 can reduce the product damage rate caused by excessive force or static electricity compared with manual operation, so as to reduce the production cost.

Further, as shown in fig. 1 and fig. 2, the clamping structure includes a clamping hole 11 formed in the circuit board 10, and the fixing member 40 includes a clamping portion 41 adapted to the clamping hole 11; or, the clamping structure includes a buckle protruding from the circuit board 10, and the fixing member 40 includes a clamping hole 11 adapted to the buckle. In this embodiment, the clamping structure is a clamping hole 11 formed in the circuit board 10, and the clamping hole 11 formed in the circuit board 10 is simpler than a processing method for forming a buckle, so that the production cost is lower. Two long sides of the frequency conversion module 20 are provided with pins, the clamping holes 11 are arranged at two ends of the frequency conversion module 20, and the fixing members 40 are two in number and respectively correspond to the two clamping holes 11, so that the extension length of the fixing members 40 can be shortened, the whole assembly structure of the radiator 30, the circuit board 10 and the frequency conversion module 20 is more compact, and the assembly strength is higher.

Specifically, as shown in fig. 2 and 3, the clamping portion 41 includes an elastic arm 411 and a clamping protrusion 412 disposed at a distal end of the elastic arm 411. In this embodiment, the elastic arm 411 extends toward the card hole 11, and the elastic deformation of the elastic arm 411 enables the card protrusion 412 to slide to be matched with the card hole 11, so that the matching process of the card portion 41 and the card hole 11 is more smooth. In practical applications, as shown in fig. 2 and fig. 3, the number of the elastic arms 411 is two, a deformation gap 413 is formed between the two elastic arms 411, and the snap projection 412 is disposed on the opposite side of the two elastic arms 411. In this embodiment, in the process that the protruding portion 412 of card gets into card hole 11, the elastic arm 411 deforms towards the deformation gap 413 in the process that the protruding portion 412 of card matches with the card hole 11, and recovers after the protruding portion 412 of card matches in place, so that the matching process of the clamping portion 41 and the card hole 11 is smoother, and the matching strength of the clamping portion 41 and the card hole 11 can be improved through the matching of the two elastic arms 411 and the card hole 11.

In another embodiment, the hole wall of the clamping hole 11 is provided with a clamping rib, and the clamping portion 41 includes a fastening position, and the fastening position extends into the clamping hole 11 and then is in clamping fit with the clamping rib, so that the fit strength can be improved.

In one embodiment, as shown in fig. 1 to 4, the heat sink 30 is formed with a card slot 31, and the fixing member 40 includes a card board 42 adapted to the card slot 31. With the above embodiment, one end of the clamping plate 42 is connected to one end of the clamping portion 41, and may be integrally disposed. The form of the locking groove 31 on the heat sink 30 is not limited, and may be formed by the structure of the heat sink 30 itself, or may be formed by the concave arrangement or the convex arrangement on the heat sink 30, and only the locking plate 42 is required to be fixed on the heat sink 30 by matching with the locking groove 31. When assembling the heat sink 30, the clamping plate 42 is clamped and fixed with the heat sink 30, and then the heat sink 30 is integrally lapped on the mounted frequency conversion module 20, and in the lapping process, the clamping part 41 is clamped and fixed with the clamping hole 11, so that the heat sink 30 and the frequency conversion module 20 are relatively fixed.

Specifically, as shown in fig. 1 and fig. 2, the heat sink 30 includes a base plate 32 abutting against the frequency conversion module 20, and at least two heat dissipation fins 33 protruding from the base plate 32, the clamping plate 42 and the buckle are bent, and the clamping plate 42 abuts against the base plate 32 and is clamped between the two heat dissipation fins 33. In the present embodiment, the heat sink 30 is an aluminum fin heat sink 30, and the substrate 32 abuts against the inverter module 20 to transfer heat of the inverter module 20 to the heat sink 30. The radiating fins 33 are convexly arranged on one surface of the substrate 32, which is far away from the frequency conversion module 20, and are used for transferring the heat of the substrate 32 to the air; the number of the heat dissipation fins 33 is plural, and the plural heat dissipation fins 33 extend along the length direction of the substrate 32 and are arranged at intervals along the width direction of the substrate 32 to increase the heat dissipation area and improve the heat dissipation efficiency. The plurality of heat dissipation fins 33 include a first heat dissipation fin 33 and a second heat dissipation fin 33 near the middle of the substrate 32, and the clamping plate 42 abuts against the substrate 32 and is clamped between the first heat dissipation fin 33 and the second heat dissipation fin 33, wherein the clamping manner may be interference fit. Combine above-mentioned embodiment, cardboard 42 is the setting of buckling with joint portion 41, and a side protrusion in base plate 32 of cardboard 42, joint portion 41 connect in the convex side of cardboard 42 and extend towards card hole 11 to the realization is fixed with the joint of circuit board 10.

It should be noted that if the embodiments of the present invention are described with reference to "first", "second", etc., the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In practical application, as shown in fig. 2, the opposite sides of the two heat dissipation fins 33 are convexly provided with a limiting rib 331, and the limiting rib 331, the base plate 32 and the heat dissipation fins 33 surround to form the slot 31. In this embodiment, the limiting rib 331 extends along the length direction of the substrate 32, and two side edges of the clamping plate 42 are clamped between the limiting rib 331 and the substrate 32, so that the clamping plate 42 and the heat sink 30 are more stably matched. To further stabilize the matching between the card 42 and the heat sink 30, as shown in fig. 3, two sides of the card 42 are formed with upward-raised spring pieces 421, and it should be noted that the upward-raised means that the ends of the spring pieces 421 protrude from the surface of the card 42 away from the substrate 32, rather than the absolute extending direction of the spring pieces 421. The number of the elastic pieces 421 may be two and arranged at intervals along the side of the card board 42, so that the fitting strength of the card board 42 and the heat sink 30 may be further improved.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In an embodiment, as shown in fig. 5, the clamping structure includes two clamping holes 11 formed in the circuit board 10, the two clamping holes 11 are respectively located at two ends of the frequency conversion module 20, the fixing member 40 includes a fixing strip 43, the fixing strip 43 is fixed to the heat sink 30, and two ends of the fixing strip 43 extend toward the clamping holes 11 and form a clamping hook 431 adapted to the clamping holes 11. In this embodiment, in combination with the above-mentioned embodiments of the substrate 32 and the heat sink 33, the fixing bar 43 extends along the length direction of the substrate 32, the substrate 32 is provided with a fixing groove extending along the length direction, the fixing bar 43 is embedded in the fixing groove, and two ends of the fixing bar 43 protrude out of two ends of the heat sink 30. The number of the clamping holes 11 is two and is located at two ends of the frequency conversion module 20, and two ends of the fixing strip 43 extend towards the clamping holes 11 and form a clamping hook 431 matched with the clamping holes 11, so that clamping matching with the clamping holes 11 is realized.

Specifically, as shown in fig. 5, the middle portion of the fixing strip 43 is concavely folded toward the circuit board 10. In this embodiment, the middle of the fixing strip 43 is concavely folded toward the substrate 32, so that a gap is formed between the connecting portion between the middle and the end of the fixing strip 43 and the substrate 32, and in the process of matching the hook 431 with the fastening hole 11, the connecting portion deforms toward the gap, so that the connecting portion can form potential energy for restoring deformation, thereby increasing the matching strength of the hook 431 and the fastening hole 11.

In one embodiment, the material of construction of the mount 40 includes beryllium copper. Beryllium copper is a high-grade elastic material with the best performance in copper alloy, and has a series of excellent physical, chemical and mechanical properties such as high strength, elasticity, hardness, fatigue strength, small elastic hysteresis, corrosion resistance, wear resistance, cold resistance, high conductivity, no magnetism, no spark generation due to impact and the like. Be beryllium copper is adopted to make mounting 40, can avoid mounting 40 to split in the department of buckling, and mounting 40 and circuit board 10 joint are fixed back, can pass through welded fastening in addition, and beryllium copper material can improve the welded fastening effect to improve inverter air conditioner control panel's overall stability.

In practical application, the inverter air conditioner control panel further includes a heat conducting fin disposed between the inverter module 20 and the heat sink 30. The heat conducting sheet can be a soft heat conducting silica gel sheet, is arranged between the contact surfaces of the frequency conversion module 20 and the radiator 30, can be extruded out of the contact surfaces by being extruded and deformed to fill the gaps of the contact surfaces, so that the radiator 30 is ensured to be fully contacted with the frequency conversion module 20, the heat dissipation area of the frequency conversion module 20 is increased, and the heat dissipation efficiency is further improved.

The utility model discloses still provide an air conditioner, this air conditioner include machine in the air conditioning, air condensing units and a variable frequency air conditioner control panel, the concrete structure of this variable frequency air conditioner control panel refers to above-mentioned embodiment, because this air conditioner has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary details here. Wherein, the variable frequency air conditioner control panel is installed in air condensing units.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a frequency conversion air conditioner control panel which characterized in that includes:

the circuit board is provided with a clamping structure;

the frequency conversion module is attached to the circuit board;

2. The control panel of the inverter air conditioner of claim 1, wherein the clamping structure comprises a clamping hole formed in the circuit board, and the fixing member comprises a clamping portion adapted to the clamping hole;

3. The inverter air conditioner control panel of claim 2, wherein the clip portion comprises an elastic arm and a clip protrusion disposed at a distal end of the elastic arm.

4. The control panel of claim 3, wherein the number of the elastic arms is two, a deformation gap is formed between the two elastic arms, and the locking protrusion is disposed on the opposite side of the two elastic arms.

5. The control panel of inverter air conditioner of claim 1, wherein the heat sink is formed with a slot, and the fixing member comprises a snap-in plate fitted into the slot.

6. The control panel of claim 5, wherein the heat sink comprises a base plate abutting against the inverter module and at least two heat dissipation fins protruding from the base plate, and the clamping plate abuts against the base plate and is clamped between the two heat dissipation fins.

7. The control panel of claim 6, wherein the two heat dissipation plates are protruded with limiting ribs on opposite sides thereof, and the limiting ribs, the base plate and the heat dissipation plates are enclosed to form the slots.

8. The control panel of inverter air conditioner of claim 7, wherein the two sides of the clip board are formed with upturned spring plates, and the spring plates are abutted against the limiting ribs.

9. The control panel of the inverter air conditioner of claim 1, wherein the clamping structure comprises two clamping holes formed in the circuit board, the two clamping holes are respectively located at two ends of the inverter module, the fixing member comprises a fixing strip, the fixing strip is fixed to the heat sink, and two ends of the fixing strip extend towards the clamping holes and form a clamping hook matched with the clamping holes.

10. The inverter air conditioner control panel of claim 9, wherein the middle portion of the fixing strip is concavely folded toward the circuit board.

11. The inverter air conditioner control panel of claim 1, wherein the fixing member is integrally formed with the heat sink.

12. The control panel of any of claims 1 to 11, wherein the fixing member is made of a material comprising beryllium copper.

13. The inverter air conditioner control panel of any one of claims 1 to 11, further comprising a heat conducting fin disposed between the inverter module and the heat sink.

14. An air conditioner characterized by comprising the inverter air conditioner control panel according to any one of claims 1 to 13.