CN218627099U - Automatically controlled structure and air condensing units - Google Patents

Abstract

The utility model provides an electric control structure and an outdoor unit of an air conditioner. The electric control structure is arranged on the outdoor unit. The outdoor unit is provided with a casing and a partition, and the partition divides the space inside the casing into a fan chamber and a fan chamber. There are two parts of the press chamber. The electric control structure includes a box body and a box cover. One of the circuit board or the second circuit board is located in the fan cavity, and the box cover is arranged on the box body. The electric control structure of the utility model does not occupy the space of the compressor cavity, and the air can enter the box body as much as possible to flow obliquely by restricting the positions of the air inlet and the air outlet, so that the heat exchange path in the box body is long and evenly distributed, and the heat dissipation effect is good.

Description

An electric control structure and an air conditioner outdoor unit

technical field

The utility model relates to the technical field of air conditioners, in particular to an electric control structure and an outdoor unit of an air conditioner.

Background technique

An air conditioner is a device that can regulate and control the temperature and humidity in a building, including cold source/heat source equipment, cold and hot medium transmission and distribution systems, terminal devices, etc., using the cold and heat from the transmission and distribution to treat the air. To make the air parameters of the target environment meet the specified requirements, it has been widely used in various living and working scenes to improve environmental comfort.

The outdoor unit of the air conditioner usually needs to be equipped with an electronic control structure to control the normal operation of each component. During the operation, the internal components will generate a lot of heat. Once the temperature reaches a critical value, it will cause damage to the components and even cause fires and other accidents; obviously , The heat dissipation performance of the electronic control structure directly affects the operation stability and reliability of the air conditioner.

In view of this, the utility model is proposed.

Utility model content

One problem to be solved by the utility model is that the heat dissipation performance of the electric control structure of the existing outdoor unit is not good and how to take into account the heat dissipation performance and waterproof performance of the electric control structure.

In order to solve the above problems, the utility model provides an electric control structure, which is installed on the outdoor unit, and the outdoor unit is provided with a casing and a partition, and the partition divides the space inside the casing into two parts: the fan chamber and the compressor chamber. part, the electric control structure includes a box body and a box cover, the box body is supported on the partition plate, the first circuit board and the second circuit board are laid horizontally in the box body, and the first circuit board or the second circuit board One of the two circuit boards is located in the fan chamber, and the box cover is arranged on the box body.

This setting can make full use of the top space of the outdoor unit, minimize the relative area between the first circuit board and the second circuit board, and avoid mutual interference of heat dissipation between the two; The natural wind dissipates heat on the first circuit board, and the heat dissipation effect is good.

Preferably, the box body is provided with an air inlet and a second air outlet, the air inlet is located on the side of the partition close to the press chamber, and the second air outlet is located on the other side of the partition. This setting enables the air inlet to be located on the side of the compressor cavity, preventing the condensed water from being thrown into the electric control structure through the air inlet when the fan is rotating, and it also has good heat dissipation and waterproof performance.

Preferably, a heat exchanger is arranged on one side of the outdoor unit, an air inlet is arranged at the bottom of the box, and a second air outlet is arranged on a side of the box away from the heat exchanger. This setting enables the electronic control structure to enter the air from the bottom, fully contact the circuit board for heat exchange, and then discharge the air from the front side of the box body, and the flow direction of the air flow is consistent with the air flow direction of the fan, and the heat dissipation effect is good and will not affect the output. Wind currents cause disturbance.

Preferably, there are two second air outlets, which are arranged close to the first circuit board and the second circuit board respectively. This setting can make the air intake fully contact the first circuit board and the second circuit board, avoid dead angles and further improve the heat dissipation effect.

Preferably, the box cover is provided with an air deflector at a position close to the second air outlet, and the air deflector is located above the second air outlet and inclined downward. This setting can make the air after the heat dissipation of the electronic control structure move downward and forward, and be sucked by the air flow formed by the fan, which improves the flow speed of the air in the electronic control structure, and the heat exchange effect is better.

Preferably, the side wall of the box body is provided with a first air outlet, and the first air outlet and the air inlet are respectively located at both ends of the box body, and a waterproof board is arranged outside the first air outlet, and the waterproof The plate extends in the width direction of the case. This setting enables most of the air to flow through the first circuit board and the second circuit board in turn, thereby achieving more sufficient heat exchange; at the same time, by setting the waterproof board, it is possible to prevent condensed water from entering from the first air outlet, taking into account heat dissipation performance and waterproof performance.

Preferably, the waterproof board includes a first board, a second board, and a third board that are sequentially connected, and the first board and the third board are separately provided with flanging and are fixedly connected with the box body. The plate is set opposite to the first air outlet with a gap between them.

Preferably, the electric control structure further includes a support plate for supporting the first circuit board and/or the second circuit board, the support plate partially extends upwards to form a wire harness structure, and the side wall of the box body is set The notch, the harness structure is limitedly assembled to the notch. This setting can effectively restrain the wire harness, and the assembly efficiency is high; at the same time, the wire harness structure can prevent the wire harness from directly touching the edge of the gap to be cut or damaged, and the assembly is more stable and reliable.

Preferably, a heat dissipation module is provided on the bottom of the box and on a side away from the first circuit board, and the heat dissipation module is located in the press chamber. This arrangement further improves the heat dissipation effect on the first circuit board. Preferably, the heat dissipation module is provided with an avoidance structure for avoiding the fan. This setting can make the electric control structure as close as possible to the setting of the fan, which has a good heat dissipation effect, and at the same time has a compact structure and is convenient for production and processing.

Compared with the prior art, the electric control structure described in the utility model has the following beneficial effects: 1) The electric control structure does not occupy the space of the press chamber, and the heat dissipation effect is good; 2) By restricting the positions of the air inlet and the air outlet Try to avoid the horizontal flow of air entering the box body, but the oblique flow, and the heat exchange path in the box body is long to improve the heat dissipation effect; 3) The structure is simple, which is convenient for production and processing.

The utility model also provides an air conditioner outdoor unit, which includes the above-mentioned electric control structure, and also includes a top cover, a connecting plate, and a motor bracket. The motor bracket is fixed on the heat exchanger and connected with the electric control structure. The connecting plate is pressed on the motor bracket, and the connecting plate is connected to the top cover through a fixing plate. The air conditioner outdoor unit has the same beneficial effects as the electric control structure, which will not be repeated here.

Description of drawings

Fig. 1 is the overall schematic diagram of the outdoor unit of the air conditioner according to the embodiment of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the outdoor unit of the air conditioner according to the embodiment of the present invention;

Fig. 3 is a schematic diagram of the explosion of the outdoor unit of the air conditioner according to the embodiment of the present invention;

Fig. 4 is a structural schematic diagram of the electric control structure described in the embodiment of the present invention;

Fig. 5 is an explosion schematic diagram of the electric control structure described in the embodiment of the present invention;

Fig. 6 is a schematic structural view of the box body described in the embodiment of the present invention;

Fig. 7 is another perspective view of the box body according to the embodiment of the present invention.

Explanation of reference signs:

1-electric control structure; 11-box body; 111-notch; 112-waterproof plate; 113-first mounting plate; 114-second mounting plate; 115-first air outlet; Two air outlets; 118-the third mounting plate; 119-air inlet; 12-box cover; 121-limit hole; 122-limit plate; - support plate; 131 - wire harness structure; 14 - first circuit board; 15 - second circuit board; 16 - cooling module; 2 - motor bracket; 3 - terminal fixing plate; 4 - housing; 41 - first side Plate; 42-second side plate; 43-net cover; 401-fan chamber; 402-press chamber; 5-partition; 6-top cover; 7-connecting plate; 8-fixed plate; -Heat Exchanger.

Detailed ways

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, specific embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

The orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation.

The air conditioner outdoor unit is usually installed in a complex outdoor environment, and the waterproof and heat dissipation performance of the electronic control structure 1 is usually the primary consideration in the design of the air conditioner outdoor unit. Usually, the electric control structure 1 is vertically arranged on the partition plate 5 of the outdoor unit and located on one side of the compressor chamber; due to the existence of the electric control structure 1, the volume of the compressor chamber 402 is relatively large and the fan chamber 401 is relatively small , resulting in a larger overall size of the external unit and complex wiring arrangements. It should be noted that the partition 5 divides the inner space of the housing 4 into two parts—that is, the fan chamber 401 and the compressor chamber 402, wherein the fan chamber 401 is used to place the fan 9, and the compressor chamber 402 is used to place compressor (not shown). Improving the efficiency of assembly and maintenance of the outdoor unit of the air conditioner, especially the electric control structure 1 is obviously conducive to increasing the market competitiveness of the product. To this end, the applicant proposes the following technical solutions:

Example 1

An electric control structure 1 is arranged on the outdoor unit of the air conditioner, the outdoor unit of the air conditioner includes a casing 4, a partition 5 and a motor bracket 2 are arranged inside the casing 4, and the electric control unit is arranged above the partition 5 Structure 1, one end of the electric control structure 1 is connected to the motor support 2 , and the other end of the electric control structure 1 is connected to the housing 4 through a terminal fixing plate 3 . This setting does not occupy the space of the press chamber 402 by setting the electric control structure 1 horizontally, so the connection is stable and reliable, and it is convenient for wiring and installation.

The electrical control structure 1 includes a box body 11 with an open top, and a first circuit board 14 and a second circuit board 15 are laid horizontally inside the box body 11 . This setting can make full use of the top space of the outdoor unit, and has a good heat dissipation effect. As an example of the present utility model, the first circuit board 14 is a drive board, the second circuit board 15 is a control board, and the first circuit board 14 is located at the side of the separator 5 close to the motor bracket 2 On one side, the second circuit board 15 is located on the side of the separator 5 away from the motor bracket 2 . This setting can simultaneously use the natural air from the fan 9 to dissipate heat from the first circuit board 14, and the heat dissipation effect is good. Of course, the first circuit board 14 can also be a control board, and the second circuit board 15 is a driving board.

The electric control structure 1 also includes a box cover 12 located above the box body 11, and the box body 11 and the box cover 12 are detachably connected through an assembly structure. As an example of the present utility model, the assembly structure includes a third mounting plate 118 and a matching plate 125, the third mounting plate 118 is located on one of the box body 11 and the box cover 12, and the matching plate 125 It is located on the other of the box body 11 and the box cover 12 . Preferably, the third mounting plate 118 is located at an end of the box body 11 away from the first mounting plate 113 . Preferably, the assembly structure also includes a limit post 116 and a limit hole 121 that cooperate with each other, the limit hole 121 is located on one of the box body 11 and the box cover 12, and the limit post 116 is located on On the other of the box body 11 and the box cover 12, this setting can take into account the fastness and convenience of assembly. Preferably, there are multiple limiting holes 121 , which are symmetrically arranged on the front and back sides of the box cover 12 .

Both sides of the box body 11 are respectively provided with a first mounting plate 113 and a second mounting plate 114, the second mounting plate 114 is arranged close to the motor bracket 2, and the first mounting plate 113 is used for fixing with the front panel Assembling, the second mounting plate 114 is used for assembling and fixing with the motor bracket 2 , such as screwing and clipping. Preferably, the second mounting plate 114 is provided with a through hole, and the corresponding position of the motor bracket 2 is provided with a limit protrusion 211, and the through hole can be sleeved on the limit protrusion 211 to realize the motor support. 2. Pre-assembly with box body 11 improves assembly efficiency.

Preferably, the electric control structure 1 further includes a support plate 13 arranged between the box body 11 and the first circuit board 14, a notch 111 is provided on the side wall of the box body 11, and a wire harness is arranged on the notch 111 structure 131 , the wire harness structure 131 is integrally formed with the support plate 13 . That is to say: the wire harness structure 131 is formed by the upward extension of the support plate 13, which can effectively restrain the wire harness and has high assembly efficiency; at the same time, the wire harness structure 131 can prevent the wire harness from directly touching the edge of the notch 111 to be cut or damaged , improve assembly reliability.

Preferably, the box cover 12 is provided with a matching groove 123 corresponding to the notch 111 , and the upper side of the matching groove 123 and the matching groove 123 is provided with a limiting plate 122 . This setting can make the box body 11 and the box cover 12 fit tightly, and at the same time, the use of the limit plate 122 can effectively prevent the wire harness passing through the gap 111 from being bent upwards directly and greatly, thereby improving the connection reliability of the wire harness; in addition, the limit plate 122 The position of the notch 111 can be covered to prevent the rainwater or condensed water on the box cover 12 from directly flowing down to the fitting groove 123 and into the box body 11 , and the waterproof effect is good.

Preferably, the box body 11 is provided with a heat dissipation module 16 on a side away from the first circuit board 14 , which can further improve the heat dissipation effect in the box body 11 . The specific structure of the heat dissipation module 16 is the prior art, and will not be repeated here. Preferably, the heat dissipation module 16 is arranged on the side of the box body 11 away from the air inlet 119 , that is, on the side of the partition 5 close to the motor bracket 2 . The heat dissipation module 16 is dissipated to improve the heat dissipation effect of the heat dissipation module 16 on the first circuit board 14 . Preferably, the heat dissipation module 16 is provided with an avoidance structure for avoiding the fan 9 . This setting can make the electronic control structure 1 be arranged as close as possible to the fan 9, which has a good heat dissipation effect, and at the same time has a compact structure and is convenient for production and processing.

Example 2

The electronic control structure 1 in operation tends to generate heat and cause its internal temperature to be too high; because the components and parts work in a high temperature environment for a long time, it is easy to cause loss, resulting in a reduction in the service life of the cold storage, and it is prone to failure, which cannot meet people's use requirements . In order to further improve the heat dissipation performance of the electronic control structure 1, the applicant made the following improvements on the basis of Embodiment 1:

An electric control structure 1, comprising a box body 11, the bottom of the box body 11 is provided with an air inlet 119, and the air inlet 119 is located on the side of the partition 5 away from the motor bracket 2; the box body 11 A second air outlet 117 is provided on a side away from the heat exchanger 10 , and the second air outlet 117 is located on a side of the partition plate 5 close to the motor bracket 2 . This setting enables the electric control structure 1 to enter the air from the compressor cavity, and after cooling the circuit board in the box body 11, the air is discharged from the front side of the box body 11, and the flow direction of the air outlet airflow is consistent with the airflow direction of the fan 9, and the heat dissipation effect is good. At the same time, the air inlet 119 is located on one side of the compressor cavity, so as to prevent the condensed water from being thrown into the electric control structure 1 through the air inlet 119 when the fan 9 rotates, and the waterproof performance is good. A fan 9 is arranged on the motor bracket 2, and the specific structure of the fan 9 is in the prior art, so it will not be repeated here.

Preferably, there are two second air outlets 117 , one of which is set close to the first circuit board 14 , and the other is set close to the second circuit board 15 . This arrangement can dissipate heat from the first circuit board 14 and the second circuit board 15 at the same time, and the airflow can cover most of the areas in the electronic control structure 1 , so the heat dissipation effect is good. As an example of the present invention, the second air outlet 117 and/or the air inlet 119 are composed of a plurality of air inlet holes, and their specific shapes and arrangements can be set as required.

Preferably, the box cover 12 is provided with an air deflector 124 at a position close to the second air outlet 117, and the air deflector 124 is located above the second air outlet 117 for controlling the second air outlet. The outlet airflow of the tuyere 117 is guided. The setting structure is simple, and can guide the airflow of the electric control structure 1, so that the airflow is smoother. As an example of the present invention, the wind deflector 124 is arranged inclined downward. This setting can make the air after the heat dissipation of the electronic control structure 1 move downward and forward, and use the air flow formed by the fan 9 to suck it, which improves the flow speed of the air in the electronic control structure 1 and improves the heat exchange effect. better.

The box body 11 is provided with a first air outlet 115 at one end close to the motor bracket 2, and a waterproof plate 112 is provided outside the first air outlet 115, and the waterproof plate 112 extends along the width direction of the box body 11 . This setting can make the air flow through the first circuit board 14 and the second circuit board 15 in sequence, and the heat exchange is more sufficient; at the same time, by setting the waterproof plate 112, the condensed water can be prevented from entering from the first air outlet 115, taking into account the heat dissipation performance and waterproof performance.

The utility model also provides an air-conditioning outdoor unit, the air-conditioning outdoor unit also includes a top cover 6 and a connecting plate 7, the connecting plate 7 is pressed on the motor bracket 2, and the connecting plate 7 is far away from the net cover One side of 43 is set adjacent to the electric control structure 1 , and the connecting plate 7 and the top cover 6 are connected by a fixing plate 8 . This setting can ensure that the height above the heat exchanger 10 is consistent with the first side plate 41 and the second side plate 42, and form a stable support for the top cover 6. At the same time, it can block the gap between the heat exchanger 10 and the top cover 6 to avoid The entry of insects and rats; the connecting plate 7 provided can simultaneously assemble and fix the motor support 2, the electric control structure 1, the net cover 43, the heat exchanger 10, and the top cover 6, so as to improve the overall strength of the air conditioner outdoor unit. This setting can set the height of the heat exchanger 10 according to needs, which improves the versatility of the outdoor unit of the air conditioner and has a wide range of applications. The specific structures of the connecting plate 7 and the fixing plate 8 are in the prior art and will not be repeated here.

As an example of the present invention, the terminal fixing plate 3 is composed of a sloping plate, a connecting plate and a flange arranged in sequence. The sloping plate and the flange are located on the upper and lower sides of the connecting plate. The housing 4 is fixedly connected, and the flange is connected to the electric control structure 1 by means of screwing, riveting, clamping and the like. Preferably, limit baffles are provided on both sides of the connecting plate and the sloping plate, which are used to restrict the direction of the connection terminals, and the connection terminals are electrically connected to the electric control structure 1 .

As an example of the present utility model, the housing 4 includes a first side plate 41, a net cover 43, a second side plate 42 and a front panel (not shown in the figure) arranged in sequence, and the first side plate 41 , The second side plates 42 are respectively arranged on the left and right sides of the outdoor unit; the outdoor unit of the air conditioner also includes a heat exchanger 10, and the heat exchanger 10 is located in the housing 4 and is close to the net cover 43 It is provided that the upper end of the motor support 2 is connected with the heat exchanger 10 . This setting can make the heat exchanger 10 fully communicate with the outside air, and the heat exchange efficiency is high. Preferably, the upper end of the net cover 43 is hooked on the upper part of the heat exchanger 10 .

Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model, so the protection scope of the present utility model should be based on the scope defined in the claims.

Claims (9)

1. The utility model provides an automatically controlled structure, establishes on the off-premises station, the off-premises station sets up casing (4), baffle (5) will casing (4) inner space divides into fan chamber (401) and press chamber (402) two parts, a serial communication port, automatically controlled structure (1) includes box body (11), lid (12), box body (11) support in on baffle (5), first circuit board (14), second circuit board (15) are established in box body (11) water tiling, first circuit board (14) and/or second circuit board (15) are located in fan chamber (401), lid (12) lid is established on box body (11).

2. The electric control structure according to claim 1, characterized in that the box body (11) is provided with an air inlet (119) and a second air outlet (117), wherein the air inlet (119) is positioned on one side of the partition (5) close to the press cavity (402), and the second air outlet (117) is positioned on the other side of the partition (5).

3. The electric control structure of claim 2, wherein a heat exchanger (10) is disposed at one side of the outdoor unit, an air inlet (119) is disposed at the bottom of the box body (11), and a second air outlet (117) is disposed at one side of the box body (11) far away from the heat exchanger (10).

4. An electric control structure according to claim 3, characterized in that said second air outlet (117) is provided in two and respectively adjacent to said first circuit board (14) and to said second circuit board (15).

5. The electrical control structure according to claim 3, wherein a wind deflector (124) is disposed at the box cover (12) near the second wind outlet (117), and the wind deflector (124) is disposed above the second wind outlet (117) and is inclined downward.

6. The electric control structure according to claim 3, characterized in that a first air outlet (115) is arranged on a side wall of the box body (11), the first air outlet (115) and the air inlet (119) are respectively arranged at two ends of the box body (11), a waterproof board (112) is arranged on the outer side of the first air outlet (115), and the waterproof board (112) extends along the width direction of the box body (11).

7. The electric control structure according to claim 1, characterized in that the electric control structure (1) further comprises a support plate (13) for supporting the first circuit board (14) and/or the second circuit board (15), the support plate (13) partially extends upwards to form a wire harness structure (131), a notch (111) is formed in a side wall of the box body (11), and the wire harness structure (131) is in limited fit with the notch (111).

8. An electric control structure according to any one of claims 1-7, characterized in that a heat sink module (16) is arranged at the bottom of the box (11) and on the side remote from the first circuit board (14), the heat sink module (16) being located in the press cavity (402).

9. An outdoor unit of an air conditioner, comprising the electric control structure (1) of any one of claims 1 to 8, further comprising a top cover (6), a connecting plate (7), and a motor bracket (2), wherein the motor bracket (2) is fixed on a heat exchanger (10) and connected with the electric control structure (1), the connecting plate (7) is pressed on the motor bracket (2), and the connecting plate (7) is connected with the top cover (6) through a fixing plate (8).

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