Built-in drive board protection assembly of variable frequency air conditioner

Abstract

The utility model relates to the technical field of protection assemblies, and discloses a built-in drive plate protection assembly of a variable frequency air conditioner, which comprises a shell, the top of the shell is detachably connected with a drive plate body, the front side and the rear side of the interior of the shell are respectively provided with an inner cavity, and one side of the inner wall of each inner cavity is fixedly connected with a plurality of telescopic springs. A pressing plate is slidably connected to the inner wall of the inner cavity, a square opening is formed in the pressing plate, a fixing block is fixedly connected to one side of the inner wall of the square opening, a cooling assembly used for cooling the shell is fixedly connected to the interior of the shell, and the cooling assembly comprises a heat absorbing plate; the exterior of the heat absorbing plate is fixedly connected to the interior of the shell. According to the utility model, the mounting and dismounting of the driving plate are realized, so that a maintainer can easily open the protection assembly to carry out fault diagnosis and maintenance, and does not need to spend a lot of time and energy in dismounting other complicated structures.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protection assembly, especially to a built-in drive board protection assembly of variable frequency air conditioner. BACKGROUND

[0002] The protection assembly in the built-in drive board of variable frequency air conditioner usually refers to a series of component combinations for protecting the drive board and electronic elements thereon, like in some industrial plants, the indoor temperature in summer may exceed 40 DEG C, and the ordinary variable frequency air conditioner drive board is prone to failure under such high-temperature environment for long time operation, and the built-in protection assembly can play a certain protection role and prolong the service life of the drive board.

[0003] During transportation, installation and use, the air conditioner may be subjected to various external impacts such as collision and vibration. The shell of the protection assembly can provide a solid physical barrier for the drive board, absorb and disperse the impact force, and prevent the electronic elements on the drive board from being damaged due to impact.

[0004] In the prior art, some built-in drive board protection assemblies are difficult to install, and if the user encounters a fault during use of the air conditioner, the user needs to wait for a long time to get maintenance, which greatly affects the user's satisfaction. The difficulty in maintenance and time extension caused by the protection assembly that is difficult to install and disassemble will make the user have a negative impression on the air conditioner brand and reduce the user's trust in the product, therefore, the built-in drive board protection assembly of variable frequency air conditioner is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the prior art, and provides a built-in drive board protection assembly of variable frequency air conditioner, which aims at improving the problem that some built-in drive board protection assemblies in the prior art are difficult to install.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A built-in drive board protection assembly of variable frequency air conditioner, comprising a shell, a drive board body is detachably connected to the top of the shell, inner cavities are formed in the front and rear sides of the inner part of the shell, a plurality of extension springs are fixedly connected to one side of the inner wall of the inner cavity, a pressing plate is slidably connected to the inner wall of the inner cavity, a square opening is formed in the inner part of the pressing plate, a fixed block is fixedly connected to one side of the inner wall of the square opening, and a cooling assembly for cooling the shell is fixedly connected to the inner part of the shell.

[0008] Further description of the above technical scheme:

[0009] The cooling assembly comprises a heat absorption plate, the outer part of the heat absorption plate is fixedly connected to the inner part of the shell, the bottom of the heat absorption plate is fixedly connected with a heat dissipation plate, a groove is arranged in the inner part of the shell, and a fan is fixedly connected to the inner bottom of the shell;

[0010] As a further description of the above technical solution:

[0011] The bottom of the driving plate body is fixedly connected with a fixed plate on the front and rear sides, and a through hole is arranged in the inner part of the fixed plate;

[0012] As a further description of the above technical solution:

[0013] Long slots are arranged on the left and right sides of the shell, and a plurality of electronic elements are fixedly connected to the top of the driving plate body;

[0014] As a further description of the above technical solution:

[0015] Slots are arranged on the front and rear sides of the shell, and two reset springs are fixedly connected to the inner walls of the bottom of the slots;

[0016] As a further description of the above technical solution:

[0017] The outer part of the fixed block is clamped with the inner wall of the through hole, and the bottom of the fixed plate is in contact with the top of the reset spring;

[0018] As a further description of the above technical solution:

[0019] The outer part of the fixed plate is clamped with the inner wall of the slot;

[0020] As a further description of the above technical solution:

[0021] The outer part of the heat absorption plate is fixedly connected to the inner wall of the groove, and the outer part of the heat dissipation plate is fixedly connected to the inner wall of the groove.

[0022] The utility model has the advantages of:

[0023] 1、 in the utility model, after pressing the pressing plate, the pressing plate drives the telescopic spring to compress, then the fixed plate is inserted into the inner part of the slot, the fixed plate compresses the reset spring, the telescopic spring drives the pressing plate to slide under the reaction force of the telescopic spring by releasing the pressing plate, the fixed block is moved by the pressing plate, the installation and dismounting of the driving plate are realized, so that the maintenance personnel can easily open the protection assembly, and fault diagnosis and maintenance can be carried out, without spending a lot of time and effort to remove other complex structures.

[0024] 2、The utility model discloses, through the effect of heat absorption board, realized heat absorption board after the heat on the drive board body is absorbed, under the action of the heat dissipation board, realized the cooling of heat absorption board, after starting the fan, realized the fan to the heat dissipation board accelerated heat dissipation, and the heat of after is discharged through the long strip mouth, realized the cooling of drive board, and then can prevent its overheat protection trigger, avoid air conditioner frequent shutdown, reduce the logic error of integrated circuit because of high temperature appears, reduce the failure rate of drive board. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A perspective view of a built-in drive board protection assembly of a variable frequency air conditioner is provided for the utility model;

[0026] Figure 2 A shell inner wall structure schematic view of a built-in drive board protection assembly of a variable frequency air conditioner is provided for the utility model;

[0027] Figure 3 A Figure 2 enlarged view of A in the figure;

[0028] Figure 4 A fan structure schematic view of a built-in drive board protection assembly of a variable frequency air conditioner is provided for the utility model.

[0029] LEGEND:

[0030] 1, shell, 2, drive board body, 3, inner chamber, 4, extension spring, 5, press plate, 6, square opening, 7, fixed block, 8, return spring, 9, fixed plate, 10, through -hole, 11, heat absorption board, 12, heat dissipation board, 13, electronic element, 14, long strip mouth, 15, fan, 16, clamping slot, 17, recess. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0032] Refer to Figures 1 to 3The utility model provides an embodiment: a built -in drive board protection subassembly of frequency conversion air conditioner, including casing 1, the top of casing 1 is detachably connected with drive board body 2, and casing 1 plays the key protection in whole protection subassembly. It provides a safe stable installation environment for drive board body 2, and also provides the support and fixed structure for other components in the inside. Casing 1 is usually made of strong durable material, such as plastic or metal, has certain strength and impact resistance, can effectively protect the drive board body 2 in the inside from external physical impact and damage, and the inside of casing 1 is provided with inner chamber 3 on both sides, a plurality of extension springs 4 are fixedly connected on the inner wall side of inner chamber 3, and the inner wall of inner chamber 3 is slidably connected with pressing plate 5, and pressing plate 5 drives extension spring 4 to compress, the inside of pressing plate 5 is provided with square opening 6, and the inner wall side of square opening 6 is fixedly connected with fixed block 7, and the inside of casing 1 is fixedly connected with cooling assembly for cooling casing 1.

[0033] Referring to Figures 2 to 4 Cooling assembly includes heat absorption plate 11, heat absorption plate 11 is fixedly connected in the inside of casing 1, heat absorption plate 11 is fixedly connected with heat dissipation plate 12 on the bottom, recess 17 is set up in the inside of casing 1, fan 15 is fixedly connected in the bottom end inside of casing 1, and cooling assembly plays important heat dissipation effect in protection subassembly, ensures that drive board body 2 keeps suitable temperature in the working process. Cooling assembly includes heat absorption plate 11, heat dissipation plate 12 and fan 15. Heat absorption plate 11 is fixedly connected in the inside of casing 1, and specifically, heat absorption plate 11 is fixedly connected on the inner wall of recess 17. Heat absorption plate 11 can rapidly absorb the heat generated when drive board body 2 works and transfers the heat to heat dissipation plate 12. The outer portion of heat dissipation plate 12 is also fixedly connected on the inner wall of recess 17, and heat dissipation plate 12 has large surface area and can quickly dissipate heat to the surrounding environment. Fan 15 is fixedly connected in the bottom end inside of casing 1, and fan 15 can accelerate air flow and further improve the heat dissipation effect. Through the synergistic effect of heat absorption plate 11, heat dissipation plate 12 and fan 15, the temperature of drive board body 2 can be effectively reduced, and normal work is ensured.

[0034] The bottom of the driving plate body 2 is fixedly connected with the fixed plate 9 on both sides, the inside of the shell 1 is provided with the inner cavity 3 on both sides, and the inner cavity 3 provides mounting space for the pressing plate 5 and the extension spring 4. The inner wall of the inner cavity 3 is fixedly connected with a plurality of extension springs 4 on one side, the extension spring 4 has elasticity and can be compressed when subjected to external force, and can restore to the original state when the external force disappears. The inner wall of the inner cavity 3 is slidably connected with the pressing plate 5, and the pressing plate 5 can slide in the inner cavity 3. When the driving plate body 2 is installed, the pressing plate 5 is subjected to external force, and the extension spring 4 is compressed. When the driving plate body 2 is installed in place, the elastic force of the extension spring 4 can keep the pressing plate 5 stable, thereby ensuring that the driving plate body 2 is fixed firmly. The inside of the pressing plate 5 is provided with a square opening 6, and the square opening 6 provides a mounting position for the fixed block 7. The inner wall of the square opening 6 is fixedly connected with the fixed block 7 on one side, the fixed block 7 is clamped with the through hole 10 in the inside of the fixed plate 9, the fixed plate 9 is fixedly connected with the driving plate body 2 on both sides, the inside of the fixed plate 9 is provided with the through hole 10, the left and right sides of the shell 1 are provided with the long slot 14, the top of the driving plate body 2 is fixedly connected with a plurality of electronic elements 13, and the driving plate body 2 is one of core components of the built-in driving plate protection assembly of the variable frequency air conditioner. It carries various electronic elements 13 and is responsible for controlling and driving the operation of the air conditioner. The top of the driving plate body 2 is fixedly connected with a plurality of electronic elements 13, which include but are not limited to integrated circuits, transistors, capacitors, resistors and the like, and they work cooperatively to realize accurate control of the air conditioner. The bottom of the driving plate body 2 is fixedly connected with the fixed plate 9 on both sides, and the fixed plate 9 plays an important role in installing and fixing the driving plate body 2.

[0035] Referring to Figures 2 to 4 The inside of the fixed plate 9 is provided with the through hole 10, which is clamped with the fixed block 7 in the inside of the shell 1, thereby realizing the fixed connection between the driving plate body 2 and the shell 1, the front and rear sides of the shell 1 are provided with the clamping groove 16, the bottom inner wall of the clamping groove 16 is fixedly connected with two reset springs 8, the outside of the fixed block 7 is clamped with the inner wall of the through hole 10, the bottom of the fixed plate 9 is in contact with the top of the reset spring 8, the outside of the fixed plate 9 is clamped with the inner wall of the clamping groove 16, the front and rear sides of the shell 1 are provided with the clamping groove 16, and the clamping groove 16 provides a mounting position for the fixed plate 9. The bottom inner wall of the clamping groove 16 is fixedly connected with two reset springs 8, and when the driving plate body 2 is installed, the bottom of the fixed plate 9 is in contact with the top of the reset spring 8. The reset spring 8 can play a buffering role in the installation process and can also provide a certain elastic force when the driving plate body 2 is disassembled, so as to facilitate the disassembly of the driving plate body 2. The outside of the fixed plate 9 is clamped with the inner wall of the clamping groove 16, thereby further ensuring that the fixed connection between the driving plate body 2 and the shell 1 is stable and reliable, the outside of the heat absorption plate 11 is fixedly connected to the inner wall of the groove 17, and the outside of the heat dissipation plate 12 is fixedly connected to the inner wall of the groove 17.

[0036] Working principle: through pressing the pressing plate 5, the pressing plate 5 drives the telescopic spring 4 to compress, then the fixed plate 9 is inserted into the inside of the clamping groove 16, the fixed plate 9 compresses the reset spring 8, through releasing the pressing plate 5, the telescopic spring 4 drives the pressing plate 5 to slide under the reaction force of the telescopic spring 4, the pressing plate 5 drives the fixed block 7 to move, the installation and dismounting of the driving plate are realized, so that the maintenance personnel can easily open the protection assembly, and the fault diagnosis and maintenance can be carried out, and a lot of time and effort are not needed to remove other complex structures.

[0037] Through the action of the heat absorption plate 11, the heat absorption plate 11 absorbs the heat on the driving plate body 2, under the action of the heat dissipation plate 12, the heat absorption plate 11 is cooled, then the fan 15 is started, the fan 15 accelerates the heat dissipation of the heat dissipation plate 12, and the heat is discharged through the long strip port 14, the driving plate is cooled, and then the overheat protection triggering can be prevented, and the air conditioner is avoided from frequent shutdown; the logic error of the integrated circuit due to high temperature is reduced, and the failure rate of the driving plate is reduced.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A built-in drive board protection assembly of a variable frequency air conditioner, comprising a shell (1), characterized in that: The top of the shell (1) is detachably connected with a driving plate body (2), the inside of the shell (1) is provided with an inner cavity (3) on both sides, the inner wall of the inner cavity (3) is fixedly connected with a plurality of extension springs (4) on one side, the inner wall of the inner cavity (3) is slidably connected with a pressing plate (5), the inside of the pressing plate (5) is provided with a square opening (6), the inner wall of the square opening (6) is fixedly connected with a fixed block (7) on one side, the inside of the shell (1) is fixedly connected with a cooling assembly for cooling the shell (1).

2. The built-in drive board protection assembly of a variable frequency air conditioner according to claim 1, characterized in that: The cooling assembly comprises a heat absorption plate (11), the outside of the heat absorption plate (11) is fixedly connected in the inside of the shell (1), the bottom of the heat absorption plate (11) is fixedly connected with a heat dissipation plate (12), the inside of the shell (1) is provided with a groove (17), the bottom end of the inside of the shell (1) is fixedly connected with a fan (15).

3. The built-in drive board protection assembly of a variable frequency air conditioner according to claim 1, characterized in that: The bottom of the driving plate body (2) is fixedly connected with a fixed plate (9) on both sides, the inside of the fixed plate (9) is provided with a through hole (10).

4. The built-in drive board protection assembly of a variable frequency air conditioner according to claim 1, characterized in that: The left and right sides of the shell (1) are provided with a long slot (14), the top of the driving plate body (2) is fixedly connected with a plurality of electronic elements (13).

5. The built-in drive board protection assembly of a variable frequency air conditioner according to claim 3, characterized in that: The front and rear sides of the shell (1) are provided with a clamping groove (16), the bottom inner wall of the clamping groove (16) is fixedly connected with two reset springs (8).

6. The built-in drive board protection assembly of a variable frequency air conditioner according to claim 5, characterized in that: The outside of the fixed block (7) is clamped with the inner wall of the through hole (10), the bottom of the fixed plate (9) is in contact with the top of the reset spring (8).

7. The built-in drive board protection assembly of a variable frequency air conditioner according to claim 5, characterized in that: The outside of the fixed plate (9) is clamped with the inner wall of the clamping groove (16).

8. The built-in drive board protection assembly of a variable frequency air conditioner according to claim 2, characterized in that: The outside of the heat absorption plate (11) is fixedly connected with the inner wall of the groove (17), and the outside of the heat dissipation plate (12) is fixedly connected with the inner wall of the groove (17).

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