CN210399663U

CN210399663U - Connection structure of variable frequency control box and compressor

Info

Publication number: CN210399663U
Application number: CN201921485605.9U
Authority: CN
Inventors: 赵晓东
Original assignee: Changshu Tianyin Electromechanical Co Ltd
Current assignee: Changshu Tianyin Electromechanical Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-04-24
Anticipated expiration: 2029-09-06

Abstract

A connection structure of a variable frequency control box and a compressor belongs to the technical field of installation of variable frequency devices. The device comprises an outer shell, an inner shell, a side shell and a support, wherein the inner shell is connected to the front side of the outer shell in a buckling mode, the side shell covers the left side surfaces of the outer shell and the inner shell, the support is connected with one side surface of the inner shell, an opening is formed in the middle of the inner shell, a left connecting edge, a right connecting edge and an upper connecting edge are arranged on one side, facing the support, of the periphery of the opening in a protruding mode respectively, a fixing edge extends downwards from the lower end of the left connecting edge, and a lower retaining edge extends left; the left clamping device clamped on the left connecting edge and the fixing edge is arranged on one side, facing the inner shell, of the left side edge of the support in a protruding mode, the right clamping device clamped on the right connecting edge is arranged on one side, facing the inner shell, of the right side edge of the support in a protruding mode, and the upper retaining edge attached to the lower surface of the upper connecting edge is arranged on one side, facing the inner shell, of the upper edge in a protruding mode. The damage of the jitter to the frequency conversion device is effectively reduced.

Description

Connection structure of variable frequency control box and compressor

Technical Field

The utility model belongs to the technical field of the frequency conversion device installation, concretely relates to connection structure of variable frequency control box and compressor.

Background

The compressor is one of the indispensable parts in the refrigeration system, and there are generally two states in the refrigerator: one is that when the temperature in the refrigerator is higher than the set temperature, the compressor is started to operate at full power until the temperature is reduced to the set value; the other is that when the temperature in the refrigerator is close to the set value, the heat preservation is carried out by the heat preservation layer outside the refrigerator, and the compressor is in a shutdown state at the moment, but because the heat preservation capability of the refrigerator is limited, and the refrigerator needs to continuously work all the year round, the compressor is almost in a continuous full-power working state, so a large amount of electric energy can be consumed, and the service life of the compressor can be reduced. The compressor is equipped with an inverter device to maintain the temperature in the refrigerator by adjusting the output power of the compressor, thereby achieving the purposes of saving electric energy and prolonging the service life of the compressor. At present, most of frequency conversion devices are independently fixed beside a compressor and connected with the compressor through a lead, and the defects that cables are easy to interfere with each other and the firmness of installation and connection of the frequency conversion devices is influenced are overcome; the frequency conversion device in addition adopts box body structure and compressor installation together, has so not only made things convenient for the installation, and the cable can also be hidden in the box body moreover, has avoided the intertwine between the cable, but current box body is comparatively not hard up with the connection structure of compressor, along with the operation and the vibration of compressor, the box body shakes at joint gap's within range easily, and frequency conversion device probably is destroyed through long-time shake.

In view of the above, there is a need for a connection structure of an inverter control box and a compressor, which has a simple structure and is convenient to connect and can reduce the jitter of the inverter control box. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

Disclosure of Invention

The utility model aims at providing a connection structure of variable frequency control box and compressor helps improving the connection structure of control box and compressor and prevents the control box along upper and lower and left right direction shake, reduces the destruction that the shake caused frequency conversion equipment.

In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a connection structure of variable frequency control box and compressor which characterized in that: comprises an outer shell, an inner shell which is connected with the front side of the outer shell in a buckling way, a side shell which covers the left side surfaces of the outer shell and the inner shell, and a bracket which is assembled and connected with one side surface of the inner shell, an opening is arranged in the middle of the inner shell, a left connecting edge, a right connecting edge and an upper connecting edge are respectively arranged on one side of the periphery of the opening facing the bracket in a protruding manner, the left connecting edge and the right connecting edge are respectively arranged at the left side edge and the right side edge of the opening and extend along the upper side and the lower side, the upper connecting edge is arranged obliquely downwards at the upper edge of the opening, and two ends of the upper connecting edge extend towards the left side and the right side respectively, the left end and the right end of the upper connecting edge are respectively connected with the upper ends of the left connecting edge and the right connecting edge, the lower end of the left connecting edge extends downwards to form a fixed edge, and a lower retaining edge extends leftwards between the fixed edge and the left connecting edge; the left clamping device clamped on the left connecting edge and the fixed edge is arranged on one side, facing the inner shell, of the left edge of the support in a protruding mode, the right clamping device clamped on the right connecting edge is arranged on one side, facing the inner shell, of the right edge of the support in a protruding mode, and the upper edge of the support is arranged on one side, facing the inner shell, of the upper edge of the support in a protruding mode and is provided with an upper retaining edge attached to the lower surface of the upper connecting edge in a protruding mode.

The utility model discloses a specific embodiment, left clamping device include a left baffle and a left fixed plate, left baffle and left fixed plate about adjacent and control the interval setting, be formed with a left side that is used for centre gripping left side connection limit and fixed limit between left baffle and the left fixed plate and inlay the chamber, the upper surface of left fixed plate support to lean on the lower surface of flange under, left fixed plate and fixed edge corresponding position punishment do not seted up a left fixed orifices and a screw hole, fixed limit and left fixed plate pass through a screw and connect fixedly after passing screw hole, left fixed orifices.

In another specific embodiment of the present invention, the right holding device comprises a first right baffle and a second right flange, the first right baffle and the second right flange are adjacent to each other from top to bottom and are spaced from each other from left to right, and a right embedding cavity for holding the right connecting edge is formed between the first right baffle and the second right flange.

In another specific embodiment of the present invention, a mounting cavity for mounting the frequency converter is formed between the outer casing and the inner casing.

In another specific embodiment of the present invention, the middle portion of the bracket is provided with a first plug abdicating hole, and the bracket beside the first plug abdicating hole is further provided with a second plug abdicating hole.

In yet another specific embodiment of the present invention, the first plug is a circular hole.

In a more specific embodiment of the present invention, the second plug recess hole is a square hole.

In yet another specific embodiment of the present invention, the material of the bracket is one of stainless steel and iron.

The utility model discloses owing to adopted the structure on the limit is connected to the support left and right sides centre gripping casing and the last limit of connecting of casing, lower flange to lean on respectively and construct the structure for fixed connection at the last flange upper surface of support and the structure of left fixed plate upper surface and the fixed limit of casing through the screw with the left fixed plate of support, therefore restricted the control box along the condition of upper and lower and left and right sides direction shake, reduced the destruction that the shake caused to frequency conversion equipment effectively.

Drawings

Fig. 1 is a perspective structural view of an embodiment of the present invention.

Fig. 2 is a schematic structure diagram of an application of the present invention.

In the figure: 1. an outer housing; 2. the bolt comprises an inner shell, 21. an opening, 22. a left connecting edge, 23. a right connecting edge, 24. an upper connecting edge, 25. a lower flange, 26. a fixing edge, 261. a bolt hole; 3. a side housing; 4. a mounting cavity; 5. the plug comprises a bracket, 51, a left clamping device, 511, a left baffle, 512, a left fixing plate, 5121, a left fixing hole, 513, a left embedding cavity, 52, a right clamping device, 521, a first right baffle, 522, a second right baffle, 523, a right embedding cavity, 53, an upper baffle edge, 54, a first plug yielding port, 55 and a second plug yielding port; 6. compressor, 61, multi-pin plug, 62, single-pin plug; 7. and (4) screws.

Detailed Description

The following is a detailed description by way of example, but the description of the example is not intended to limit the scope of the present invention, and any equivalent changes made according to the present invention, which are merely formal and insubstantial, should be considered as technical solutions of the present invention.

Referring to fig. 1 and 2, the present invention relates to a connecting structure of a frequency conversion control box and a compressor, comprising an outer shell 1, an inner shell 2 snap-connected to the front side of the outer shell 1, a side shell 3 covering the left side of the outer shell 1 and the inner shell 2, and a bracket 5 assembled and connected to a side of the inner shell 2, wherein the outer shell 1, the inner shell 2, and the side shell 3 are all formed by plastic molding, an opening 21 is formed in the middle of the inner shell 2, a left connecting edge 22, a right connecting edge 23, and an upper connecting edge 24 are respectively disposed around the opening 21 and protrude toward one side of the bracket 5, the left connecting edge 22 and the right connecting edge 23 are respectively disposed at the left and right side edges of the opening 21 and extend along the upper and lower sides, the upper connecting edge 24 is disposed at the upper edge of the opening 21 and obliquely below and both ends extend to the left and right sides, the left end and the right end of the upper connecting edge 24 are respectively connected with the upper ends of the left connecting edge 22 and the right connecting edge 23, the lower end of the left connecting edge 22 extends downwards to form a fixed edge 26, and a lower retaining edge 25 extends leftwards between the fixed edge 26 and the left connecting edge 22. The material of the bracket 5 is not limited, and is preferably one of stainless steel and iron in this embodiment, a left clamping device 51 clamped on the left connecting edge 22 and the fixing edge 26 is protruded at one side facing the inner shell 2 at the left edge of the bracket 5, a right clamping device 52 clamped on the right connecting edge 23 is protruded at one side facing the inner shell 2 at the right edge of the bracket 5, and an upper retaining edge 53 abutted against the lower surface of the upper connecting edge 24 is protruded at one side facing the inner shell 2 at the upper edge of the bracket 5. Left clamping device 51 include a left baffle 511 and a left fixed plate 512, left baffle 511 and left fixed plate 512 adjacent from top to bottom and control the interval setting, be formed with a left side that is used for centre gripping left side connection 22 and fixed limit 26 between left baffle 511 and the left fixed plate 512 and inlay the chamber 513, the upper surface of left fixed plate 512 support and lean on the lower surface of flange 25 down, left fixed plate 512 and fixed limit 26 on corresponding position punishment seted up a left fixed orifices 5121 and a screw hole 261 respectively, fixed limit 26 and left fixed plate 512 constitute fixed connection after passing screw hole 261, left fixed orifices 5121 through a screw 7. The right clamping device 52 comprises a first right baffle 521 and a second right rib 522, the first right baffle 521 and the second right rib 522 are arranged adjacently up and down and at left and right intervals, and a right embedding cavity 523 for clamping the right connecting rib 23 is formed between the first right baffle 521 and the second right rib 522.

Further, an installation cavity 4 for installing the frequency converter is formed between the outer shell 1 and the inner shell 2.

Furthermore, a first plug yielding port 54 is formed in the middle of the bracket 5, and a second plug yielding hole 55 is further formed in the bracket 5 beside the first plug yielding port 54. The first plug relief hole 54 is preferably a circular hole, and the second plug relief hole 55 is preferably a square hole.

Referring to fig. 1 in combination with fig. 2, when the control box needs to be fixedly connected to the compressor 6, the bracket 5 is first welded to the plug of the compressor 6, the compressor 6 generally has a multi-pin plug 61 and a single-pin plug 62, at this time, the multi-pin plug 61 and the single-pin plug 62 respectively pass through the first plug abdicating hole 54 and the second plug abdicating hole 55 of the bracket 5 and extend toward one side of the control box, the frequency converter is then disposed in the mounting cavity 4 between the outer shell 1 and the inner shell 2, the socket connected to the wires on the frequency converter respectively passes through the opening 21 and is in plugging fit with the multi-pin plug 61 and the single-pin plug 62, then, the lower surface of the upper connecting edge 24 abuts against the upper surface of the upper rib 53, and the left clamping device 51 and the right clamping device 52 are clamped on the left connecting edge 22, the fixed edge 26 and the right connecting edge 23 respectively, specifically: left baffle 511 and left fixed plate 512 inlay the chamber 513 through a left side and centre gripping respectively on the right flank of left side connection 22 and the left surface of fixed limit 26, the upper surface of left fixed plate 512 supports and leans on flange 25 down, first right baffle 521 and second right flange 522 inlay chamber 523 through the right side and centre gripping respectively on the left and right sides side of right side connection 23, will at last screw 7 fix in screw hole 261 and left fixed orifices 5121 to the fixed connection of control box and compressor 6 has been accomplished. The utility model discloses a left clamping device 51 and right clamping device 52's centre gripping and the cooperation of going up connection limit 24 and last flange 53 have reached the purpose of restriction control box upper and lower and left and right directions shake.

Claims

1. The utility model provides a connection structure of variable frequency control box and compressor which characterized in that: comprises an outer shell (1), an inner shell (2) which is connected with the front side of the outer shell (1) in a buckling way, a side shell (3) which covers the left side surfaces of the outer shell (1) and the inner shell (2), and a bracket (5) which is assembled and connected with one side surface of the inner shell (2), wherein the middle part of the inner shell (2) is provided with an opening (21), a left connecting edge (22), a right connecting edge (23) and an upper connecting edge (24) are respectively arranged on one side of the opening (21) facing the bracket (5) in a protruding way, the left connecting edge (22) and the right connecting edge (23) are respectively arranged on the left side edge and the right side edge of the opening (21) and extend along the upper side and the lower side, the upper connecting edge (24) is arranged below the upper edge of the opening (21) in a slanting way and two ends of the upper connecting edge (24) respectively extend towards the left side and the right side, and the left end and the right end of the upper connecting edge (24) are respectively connected with, the lower end of the left connecting edge (22) extends downwards to form a fixed edge (26), and a lower retaining edge (25) extends leftwards between the fixed edge (26) and the left connecting edge (22); the left clamping device (51) clamped on the left connecting edge (22) and the fixed edge (26) is arranged on one side, facing the inner shell (2), of the left edge of the support (5) in a protruding mode, the right clamping device (52) clamped on the right connecting edge (23) is arranged on one side, facing the inner shell (2), of the right edge of the support (5) in a protruding mode, and the upper retaining edge (53) attached to the lower surface of the upper connecting edge (24) is arranged on one side, facing the inner shell (2), of the upper edge of the support (5) in a protruding mode.

2. A connection structure of a variable frequency control box and a compressor according to claim 1, characterized in that said left holding means (51) comprises a left baffle plate (511) and a left fixing plate (512), the left baffle (511) and the left fixing plate (512) are arranged adjacently up and down and at a left-right interval, a left embedded cavity (513) used for clamping the left connecting edge (22) and the fixed edge (26) respectively is formed between the left baffle plate (511) and the left fixed plate (512), the upper surface of the left fixing plate (512) is abutted against the lower surface of the lower flange (25), the corresponding positions of the left fixing plate (512) and the fixing edge (26) are respectively provided with a left fixing hole (5121) and a screw hole (261), the fixing edge (26) and the left fixing plate (512) are connected and fixed after passing through the screw hole (261) and the left fixing hole (5121) through a screw (7).

3. The structure for connecting the variable frequency control box and the compressor as claimed in claim 1, wherein the right clamping device (52) comprises a first right baffle (521) and a second right rib (522), the first right baffle (521) and the second right rib (522) are vertically adjacent and arranged at a left-right interval, and a right embedded cavity (523) for clamping the right connecting rib (23) is formed between the first right baffle (521) and the second right rib (522).

4. A structure for connecting a control box of variable frequency with a compressor according to claim 1, characterized in that a mounting cavity (4) for mounting the variable frequency drive is formed between the outer casing (1) and the inner casing (2).

5. The connecting structure of the inverter control box and the compressor as claimed in claim 1, wherein the bracket (5) is provided with a first plug relief opening (54) at the middle portion thereof, and the bracket (5) beside the first plug relief opening (54) is further provided with a second plug relief hole (55).

6. The structure for connecting a variable frequency control box and a compressor as claimed in claim 5, wherein the first plug relief opening (54) is a circular hole.

7. The structure for connecting a variable frequency control box and a compressor as claimed in claim 5, wherein the second plug relief hole (55) is a square hole.

8. The structure for connecting a variable frequency control box and a compressor as claimed in claim 1, wherein the material of the bracket (5) is one of stainless steel and iron.