CN220586653U

CN220586653U - Frequency conversion board box

Info

Publication number: CN220586653U
Application number: CN202322020419.0U
Authority: CN
Inventors: 范佳蓓; 张方杰; 展江华; 李仕东; 朱振东
Original assignee: Qingdao Dingxin Electronics Technology Co ltd
Current assignee: Qingdao Dingxin Electronics Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-03-12
Anticipated expiration: 2033-07-28

Abstract

The utility model discloses a frequency conversion board box, which comprises: a bottom member having a housing chamber formed therein, the housing chamber having a terminal window portion formed at one side thereof; the turnover part is arranged in the accommodating cavity, is arranged along the circumferential direction of the accommodating cavity, and forms an accommodating space and an inserting space positioned at the periphery of the accommodating space between the bottom member and the turnover part; the bearing parts are formed in the accommodating space and are arranged along the circumferential direction of the inserting part; the clamping structure is formed on the turnover part; the main control board is arranged in the accommodating space, is carried on the bearing part and is clamped and fixed through the clamping structure; a top member inserted in the insertion space; a snap structure formed between the top and bottom members for snapping the top and bottom members; and a side cover part assembled on one side of the bottom member provided with the wiring terminal window part, and a threading passage is formed above the side cover part. The novel frequency conversion board box structure provided by the utility model can be quickly and conveniently installed.

Description

Frequency conversion board box

Technical Field

The utility model belongs to the technical field of compressor frequency conversion plate boxes, and particularly relates to an improvement of a frequency conversion plate box structure which is compact in structure and convenient to install and fix.

Background

The existing variable frequency plate box of the compressor is various and generally comprises a bottom box and a top cover, a main control board is required to be arranged in the variable frequency plate box for realizing corresponding control functions, a plurality of control elements are correspondingly integrated on the main control board, the main control board is mainly fixed on the bottom wall of the bottom box in a screw fixing mode when fixed, then the top cover is fixed on the bottom box, the top cover and the bottom box are also fixed in a screw fixing mode, time and labor are consumed, the installation operation is unchanged, and the assembly efficiency is low;

and, the lead-out wire of binding post on the main control board mainly stretches out through arranging the wiring hole in end box lateral wall department, and side binding post wire outlet is little, and the operation is inconvenient when wiring.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

Aiming at the technical problems of the frequency conversion plate box in the prior art, the utility model provides a novel frequency conversion plate box structure which can be quickly and conveniently installed.

In order to achieve the above-mentioned utility model/design purpose, the utility model adopts the following technical scheme to realize:

a frequency conversion board box, comprising:

a bottom member, in which a housing chamber is formed, and a wiring terminal window is provided on one side of the housing chamber;

the turnover part is arranged in the accommodating cavity and is circumferentially arranged along the accommodating cavity, and an accommodating space and an inserting space positioned at the periphery of the accommodating space are formed between the bottom member and the turnover part;

the bearing parts are formed in the accommodating space and are arranged along the circumferential direction of the inserting part;

the clamping structure is formed on the turnover part;

the main control board is arranged in the accommodating space, is carried on the bearing part and is clamped and fixed through a clamping structure;

a top member inserted in the insertion space;

a snap structure formed between the top and bottom members for snapping the top and bottom members;

and a side cover part assembled on one side of the bottom member provided with a wiring terminal window part, and a threading channel is formed above the side cover part.

In some embodiments of the present application, a heat dissipation structure for dissipating heat from the main control board is formed on the bottom wall of the bottom member, and the heat dissipation structure includes:

the heat dissipation window part is arranged corresponding to the main control board in position;

and a heat dissipation member disposed under the heat dissipation window.

In some embodiments of the present application, there are further included:

and an exhaust passage formed between the heat radiating member and the bottom wall of the bottom member and communicating with the heat radiating window portion.

In some embodiments of the present application, the base member comprises:

a first sidewall member;

a second side wall member disposed opposite to the first side wall member;

the two ends of the backboard component are respectively connected with the first side wall component and the second side wall component;

the two ends of the turnover part are respectively connected with the two ends of the first side wall member, the accommodating space is formed between the first side wall member and the turnover part, and the inserting space is formed between the accommodating space and the backboard member and between the accommodating space and the second side wall member.

In some embodiments of the present application, the terminal window is formed on the first side wall member, the terminal window is provided in plurality, the plurality of terminal windows are arranged in parallel along the length direction of the bottom member, and the height of the terminal window is 1/3-1/2 of the height of the first side wall member.

In some embodiments of the present application, the base member comprises:

a first diagonal portion;

and a second diagonal disposed diagonally to the first diagonal;

the buckle structure comprises: a first snap assembly disposed on the first sidewall member proximate the first diagonal and on the top member;

a second snap assembly is disposed on the second sidewall member proximate the second diagonal and on the top member.

In some embodiments of the present application, the present application further includes a limit stop structure, including:

a limit stop notch formed on the first sidewall member;

the limiting stop component comprises a main body part and a limiting part perpendicular to the main body part, wherein the main body part is clamped on the limiting stop notch, and the limiting part abuts against the side wall of the first side wall member.

In some embodiments of the present application, the main control board is provided with a notch portion, the turnover portion is formed with a fool-proof limiting member, and the main control board is clamped at the fool-proof limiting member through the notch portion.

In some embodiments of the present application, a side cover mounting portion adapted to a contour of a side cover component is formed outside the first outer wall member of the bottom member, and the side cover component is fastened on the side cover mounting portion and is locked and fixed with the mounting portion through a locking member.

In some embodiments of the present application, the top member is provided with a compressor mounting portion for mounting a compressor.

Compared with the prior art, the utility model has the advantages and positive effects that:

when the frequency conversion board box structure is assembled, the main control board is quickly installed through the clamping structure, the clamping structure is inserted up and down to fix the top component, the side cover component is locked through the locking piece, the whole assembly structure is assembled simply and quickly, time and labor are saved, the screw is not needed to be used for locking and fixing, and the cost is correspondingly saved;

the wiring terminal window part is arranged, the wire outlet part of the wiring terminal is changed from the wire outlet hole to the wiring terminal wire outlet window part, so that the size of the whole wiring part is enlarged, and the wiring operation is convenient.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a first perspective view of an embodiment of a frequency conversion board box according to the present utility model;

fig. 2 is a second perspective view of an embodiment of a frequency conversion board box according to the present utility model;

fig. 3 is a schematic structural view of a side cover mounting portion of an embodiment of a frequency conversion board box according to the present utility model;

FIG. 4 is a schematic bottom view of an embodiment of a frequency conversion box according to the present utility model;

FIG. 5 is a diagram illustrating an exhaust channel structure of an embodiment of a frequency conversion box according to the present utility model;

FIG. 6 is a schematic view of the bottom member of an embodiment of the inverter board box according to the present utility model;

FIG. 7 is a schematic diagram II of the bottom member of an embodiment of the inverter board box according to the present utility model;

FIG. 8 is a schematic diagram of the top member of an embodiment of the inverter board box according to the present utility model;

fig. 9 is a schematic diagram of a top member of an embodiment of a frequency conversion board box according to the present utility model.

100, a bottom member; 110. a receiving chamber; 120. a wiring terminal window portion;

130. a turnover part; 131. fool-proof limiting pieces; 132. a first flap; 133. a second flap; 134. a third flap;

140. a heat radiation window part; 151. a first sidewall member; 1511. limit stop notch; 152. a second side wall member; 153. a back plate member; 161. a first diagonal portion; 162. a second diagonal portion; 170. a side cover mounting part;

210. an accommodating space; 220. a plug-in space;

300. a carrying part;

410. a first snap assembly, 420, a second snap assembly;

500. a main control board;

600. a top member; 610. a limit stopper member; 611. a main body portion; 612. a limit part; 620. a compressor assembly part; 630. a first top plate; 640. a second top plate; 650. a third top plate; 660. a fourth top plate;

700. a side cover member; 810. a heat radiating member; 820. an exhaust passage.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In the description of the embodiments, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The utility model provides an embodiment of a frequency conversion board box, which comprises the following components:

a bottom member 100, wherein a receiving chamber 110 is formed in the bottom member 100, and a terminal window 120 is formed at one side of the receiving chamber 110;

in some embodiments of the present application, the base member 100 comprises:

a first sidewall member 151;

a second side wall member 152 disposed opposite to the first side wall member 151;

a back plate member 153 having both ends connected to the first and second side wall members 151 and 152, respectively;

the first side wall member 151, the second side wall member 152, and the back plate member 153 are a first side plate, a second side plate, and a back plate, respectively, and the first side plate, the back plate, and the second side plate are sequentially connected to form the frame of the bottom member 100, and during molding, they can be integrally bent and molded by sheet metal.

The first side wall member 151 is provided with a terminal window 120, and the terminal window 120 is a terminal window, and the opening size of the position where the terminal is out is increased by changing the terminal hole for wiring into a form of a terminal window, so that the terminal and external equipment can be conveniently connected.

A turnover part 130 disposed in the accommodating chamber 110 and disposed along a circumferential direction of the accommodating chamber 110, and an accommodating space 210 and an insertion space 220 located at a periphery of the accommodating space 210 are formed between the bottom member 100 and the turnover part 130;

the turnover part 130 is a turnover plate, and has a height lower than that of the first and second sidewall members 151 and 152 and the back plate member, and is formed to extend upward from the bottom wall of the accommodating chamber 110, and is disposed to extend along the circumferential direction of the accommodating chamber 110.

When specifically provided, the folding plate comprises a first folding plate 132, a second folding plate 133 and a third folding plate 134.

The first flap 132 is disposed parallel to the back panel and the end is connected to the first sidewall member 151;

the second flap 133 is disposed parallel to the second side wall member 152, is connected to the first flap 132, and the third flap 134 is connected to the second flap 133, which is disposed opposite to the second flap 133, and is connected at the other end position of the first side wall member 151.

The turning plate, the back plate member and the second side wall member 152 are all provided with a space, and the inserting space 220 is formed among the turning plate, the second side wall member 152 and the back plate member 153;

the accommodating space 210 is defined between the flap and the first sidewall 151.

In order to enhance the strength of the folding plate, reinforcing rib plates are connected between the folding plate and the back plate member 153 and between the folding plate and the second side wall member 152.

A plurality of bearing parts 300 formed in the accommodating space 210 and arranged along the circumferential direction of the insertion part;

in some embodiments of the present application, the carrying portion 300 is a carrying raised platform, one side is connected to the turning plate, and one side is connected to the bottom wall of the bottom member 100, which is provided in plurality.

A locking structure formed on the turnover part 130;

the main control board is arranged in the accommodating space 210, is carried on the bearing part 300 and is clamped and fixed through a clamping structure;

when the main control board is arranged, the main control board can be assembled into the accommodating space 210 with the matched outline along the direction from top to bottom, the side edges of the main control board are supported by bearing parts 300 circumferentially arranged along the turnover part 130, and meanwhile, the main control board is clamped and fixed by clamping structures arranged on the turnover part 130.

In some embodiments of the present application, the clamping structure includes: the first clamping buckle is provided with a clamping guide surface for guiding the main control board to be assembled in place;

the second clamping buckle is arranged on the upper portion of the main control board to clamp and fix the main control board after the main control board is assembled downwards in place.

A top member 600 inserted in the insertion space 220;

the top member 600 includes a top substrate, and a first top plate 630, a second top plate 640, a third top plate 650, and a fourth top plate 660 disposed around the top substrate, wherein the first top plate 630 and the third top plate 650 are disposed opposite to each other, and the second top plate 640 is disposed opposite to the fourth top plate 660.

The second top plate 640 is higher in bottom surface than the fourth top plate 660.

A catching structure formed between the top member 600 and the bottom member 100 to catch the top member 600 and the bottom member 100;

when assembled, the top member 600 is inserted into the bottom member 100 along the direction from top to bottom, and the top member 600 and the bottom member 100 are locked and fixed by the fastening structure disposed therebetween, so that the first top plate 630 and the fourth top plate 660 are finally inserted into the insertion space 220, the second top plate 640 is attached to the inner side of the first sidewall member 151, the third top plate 650 is attached to the outer side of the third flip plate 134, and the third flip plate 134 is wrapped inside.

Through adopting the cooperation mode of mutual cartridge and parcel between top member 600 and bottom member 100, the space inside for the frequency conversion board box has formed the multilayer protection and has sheltered from for the waterproof sealing performance of whole frequency conversion board box is better.

The top member 600 and the bottom member 100 are fastened by the snap-in structure in the up-down cartridge assembly process, which saves costs and makes assembly operation more convenient and faster than the existing screw fixing method.

The side cover part 700 is assembled on the side of the bottom member 100 where the terminal window 120 is provided, and a threading passage 710 is formed above the side cover part.

The side cover part 700 is mainly used for shielding terminals such as a connecting terminal and a terminal wire harness at the position of the connecting terminal window 120, enhances the overall aesthetic property, is arranged at one side position of the bottom member 100, does not occupy the external space additionally, and reduces the occupation of the external space of the whole frequency conversion board box.

The threading channel 710 is a threading window disposed on the side cover member 700 that facilitates the extraction of the binding post harness.

The threading window penetrates from the side wall of the side cover part 700 to the position of the first side wall member 151.

When the whole structure is assembled: firstly, assembling a main control board to the accommodating space 210 from top to bottom, wherein the bottom of the main control board is supported by a bearing part 300, so that a certain distance is kept between the main control board and the bottom wall of the bottom component 100, the heat dissipation effect of the main control board is good, the upper part of the main control board is clamped and fixed through a clamping structure, and after the main control board is fixed, the top component 600 is inserted into the bottom component 100 along the direction from top to bottom and clamped and fixed through a clamping structure;

and (3) leading out the wiring terminal on the main control board through the wiring terminal window 120, assembling the side cover part 700, and leading out the terminal wire from the threading channel.

When the frequency conversion board box structure in this embodiment is assembled, the main control board is installed fast through the card and establishes the structure, and cartridge buckle structure is fixed about the top component 600, and side cap part 700 is locked through a retaining member, and whole assembly structure is assembled simply swiftly, labour saving and time saving to need not to adopt the screw locking fixed, still corresponding saving cost.

In some embodiments of the present application, a heat dissipation structure for dissipating heat from the main control board is formed on the bottom wall of the bottom member 100, and the heat dissipation structure includes:

the heat dissipation window part 140 is arranged corresponding to the position of the main control board in the heat dissipation window part 140;

when the radiator is arranged, the radiating window parts 140 are provided with a plurality of rows, and the radiating window parts 140 with the plurality of rows are arranged in parallel;

each row includes a plurality of heat dissipating window portions 140.

The plurality of radiating window parts 140 are used for radiating the heat of devices such as a main control board.

In order to prevent the heat dissipation window 140 from being deformed, a reinforcing rib is further provided around the heat dissipation window 140 to enhance the strength of the entire heat dissipation window 140.

To further enhance the heat dissipation effect, a heat dissipation part 810 is provided under the heat dissipation window part 140, a recess groove is formed at the bottom of the bottom member 100, and the heat dissipation part 810 is assembled at the recess groove.

The heat sink 810 is a heat sink, which can be used to dissipate heat.

Double heat dissipation is performed through the cooperation of the heat dissipation window and the heat dissipation part 810, and the heat dissipation effect of the whole frequency conversion plate box is improved.

In some embodiments of the present application, there are further included:

and an exhaust passage formed between the heat radiating part 810 and the bottom wall of the base member 100, communicating with the heat radiating window 140.

The exhaust passages include a first exhaust passage disposed in correspondence with the window portion and a second exhaust passage communicating with the first exhaust passage at both sides of the heat radiating window portion 140. 820

A protrusion is formed on the bottom wall of the recess of the circumference of the heat radiating window 140, the first exhaust passage is formed between the protrusion and the heat radiating member 810, an opening of the second exhaust passage toward the side is provided on the protrusion,

the second exhaust passage is extended along the length direction of the heat dissipation part 810, and communicates with the opening.

An air outlet portion is provided in the second air discharge passage at a position where the second air discharge passage end portion is not blocked by the heat sink 810.

The bottom wall of the bottom member 100 is provided with a glue injection hole, and after the bottom member 100 is injected with glue, the drying can be accelerated through the exhaust channel, so that the time cost is reduced.

In some embodiments of the present application, a plurality of terminal window parts 120 are provided, and the plurality of terminal window parts 120 are arranged in parallel along the length direction of the bottom member 100, and the height of the terminal window part 120 is 1/3-1/2 of the height of the first side wall member 151.

The wiring terminal window 120 is larger in size, so that wiring terminal harnesses can be conveniently penetrated out, the wiring terminal harnesses and external equipment can be conveniently connected in a wire abutting mode, and wiring efficiency is improved.

In some embodiments of the present application, the base member 100 comprises:

a first diagonal portion 161;

the first diagonal portion 161 is defined by the first sidewall member 151 and the back plate member.

And a second diagonal portion 162 diagonally arranged with respect to the first diagonal portion 161;

the second diagonal 162 is formed between the second flap 133 and the third flap 134 of the flaps.

The buckle structure comprises: a first snap assembly 410 disposed on the first sidewall member 151 adjacent the first diagonal portion 161 and on the top member 600;

in some embodiments of the present application, the first latch assembly 410 includes:

the first locking buckle provided on the first sidewall member 151 and the first locking groove provided on the second top plate 640 of the top member 600 are engaged with each other.

A second snap assembly 420 is disposed on the second sidewall member 152 adjacent the second diagonal portion 162 and on the top member 600.

The second buckle assembly 420 includes a second buckle disposed on the second side wall 152 and a third buckle disposed on the fourth top plate 660, and the second buckle and the third buckle are fastened together along the up-down direction.

The clamping and fixing of the bottom member 100 and the top member 600 can be achieved by providing the first and second clamping assemblies 410 and 420 at two diagonal positions of the bottom member 100 and the top member 600, respectively, so that the assembly is simpler and more convenient.

a limit stopper notch 1511 formed on the first sidewall member 151;

specifically, the limit stopper notch 1511 is opened on the top surface of the first sidewall member 151.

The limit stop component comprises a main body portion 611 and a limit portion 612 perpendicular to the main body portion 611, wherein the main body portion 611 is clamped on the limit stop notch 1511, and the limit portion 612 abuts against the side wall of the first side wall member 151.

The limit stop component is a limit stop block, which is formed on the top member 600, and is clamped into the limit stop notch 1511 through the main body 611 when the top member 600 is assembled from top to bottom, and the limit stop component abuts against the side part of the main body 611 to realize the positioning between the limit stop component and the limit stop block.

In some embodiments of the present application, a notch is provided on the main control board, a fool-proof limiting member 131 is formed on the turnover part 130, and the main control board is clamped at the fool-proof limiting member 131 through the notch.

The shape of the notch part is matched with the outline of the fool-proof limiting part 131, the fool-proof limiting part 131 is a fool-proof limiting rib, the shape of the fool-proof limiting rib can be triangular, and the like, and when the fool-proof limiting rib is assembled, the main control board is clamped on the fool-proof limiting part 131 through the notch part to realize fool-proof setting of the main control board.

The main control board can be conveniently and rapidly installed and positioned by the fool-proof limiting member 131 arranged on the bottom member 100.

In some embodiments of the present application, a side cover mounting portion 170 that is matched with the contour of the side cover component 700 is formed outside the first outer wall member of the bottom member 100, and the side cover component 700 is fastened on the side cover mounting portion 170 and is locked and fixed with the mounting portion by a locking member.

The side cover mounting part 170 is a side cover mounting protruding rib, which is disposed perpendicular to the first side wall member 151.

The side cover member 700 is fastened on the side cover mounting protrusion rib during assembly, and the side cover mounting protrusion rib is provided with a protrusion sealing rib for sealing the side cover member 700 and the side cover mounting protrusion rib, so that overall sealing performance is enhanced.

In some embodiments of the present application, the top member 600 is provided with a compressor mounting portion 620 for mounting a compressor.

A screw locking post is further provided on the outer sidewall of the first sidewall member 151, and the locking member is a locking screw, and when assembled, the locking screw passes through the side cover part 700 to be locked and fixed in the screw locking post, so as to connect the side cover part 700 and the bottom member 100.

A window is provided in the top surface of the top member 600.

The compressor mounting 620 includes: a support plate extending from one side of the window,

and the limiting plate is arranged on the periphery of the window, and limiting ribs are arranged on the limiting plate.

The bottom of the compressor can be supported by the supporting plate, and two sides of the compressor are limited and fixed by the limiting plate.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a frequency conversion board box which characterized in that includes:

the bearing parts are formed in the accommodating space and are arranged along the circumferential direction of the accommodating space;

the clamping structure is formed on the turnover part;

a top member inserted in the insertion space;

2. The inverter board box of claim 1, wherein a heat dissipation structure for dissipating heat from the main control board is formed on the bottom wall of the bottom member, and the heat dissipation structure comprises:

and a heat dissipation member disposed under the heat dissipation window.

3. The frequency conversion board box according to claim 2, further comprising:

4. The inverter board box of claim 1, wherein the bottom member comprises:

a first sidewall member;

a second side wall member disposed opposite to the first side wall member;

5. The inverter board box according to claim 4, wherein the terminal window portions are formed on the first side wall member, the terminal window portions are provided in plurality, the plurality of terminal window portions are arranged in parallel along the length direction of the bottom member, and the height of the terminal window portions is 1/3 to 1/2 of the height of the first side wall member.

6. The inverter board box of claim 2, wherein the bottom member comprises:

a first diagonal portion;

and a second diagonal disposed diagonally to the first diagonal;

7. The frequency conversion plate box according to claim 4, further comprising a limit stop structure, comprising:

a limit stop notch formed on the first sidewall member;

8. The variable frequency board box according to claim 1, wherein a notch is formed in the main control board, a fool-proof limiting piece is formed on the turnover part, and the main control board is clamped at the fool-proof limiting piece through the notch.

9. The frequency conversion plate box according to claim 1, wherein a side cover mounting portion adapted to the outline of the side cover component is formed on the outer side of the first side wall member, and the side cover component is fastened to the side cover mounting portion and is locked and fixed with the mounting portion by a locking member.

10. The inverter board box as claimed in claim 1, wherein a compressor mounting portion for mounting a compressor is provided on the top member.