Electric control box and air conditioner

Abstract

The utility model provides an electric control box and an air conditioner, relates to the technical field of air conditioners, and aims to solve the problem that safety risks exist in lead arrangement of the electric control box. The electric control box comprises a box body and a circuit board, the circuit board is installed in the box body, and the circuit board is connected with a plurality of leads; the box body is provided with a lead passing part, and the plurality of leads penetrate through the lead passing part in a state that the heights of the leads are reduced in the direction away from the circuit board. The possibility that fire spreads out of the electric control box along a lead of the electric control box can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, in particular to an electric control box and an air conditioner. Background Art

[0002] In the indoor unit of a wall-mounted air conditioner, the electronic control box needs to be connected to the wind wheel motor, the power cord of the air conditioner, and the power cord of the outdoor unit to power these motors. It also needs to be connected to sensors such as the indoor ambient temperature sensor. It also needs to be electrically connected to the drive motors that drive the horizontal sweep blades and the upper and lower sweep blades. In addition, it is necessary to connect the ground wire and the electric heating wire for PTC auxiliary heating.

[0003] If the wires connected to the electric control box are not positioned properly, the fire in the electric control box will spread outward along the insulation on the surface of the wires, thus causing a larger fire. Utility Model Content

[0004] The first purpose of the utility model is to provide an electric control box to solve the technical problem that the lead arrangement of the existing electric control box has safety risks.

[0005] The utility model provides an electric control box, comprising a box body and a circuit board, wherein the circuit board is installed in the box body and is connected to a plurality of leads; a lead passing portion is provided on the box body, and a plurality of leads are passed through the lead passing portion in a state of being reduced in height in a direction away from the circuit board.

[0006] The beneficial effects brought by the electric control box of the utility model are:

[0007] By installing multiple lead wires in the lead passing portion in a state of being lowered in height in a direction away from the circuit board, it can be ensured that the leads are in a state of lower height as they pass through the lead passing portion as they are farther away from the circuit board. Even if a fire occurs on the circuit board and causes the fire to spread along the wires, the fire is difficult to spread downward because the leads in that part are in the above state, thereby significantly reducing the speed of fire spread and improving the safety of the air conditioner.

[0008] In addition, since the height of this part of the lead is higher as it is closer to the circuit board, even if condensation occurs at certain locations inside the wall-mounted air conditioner indoor unit due to low temperature, water droplets will form on the surface of the lead. Even if the water droplets flow along the lead to the area where the lead passes through the lead passing part, they will not flow upward and enter the electrical control box, interfering with the normal operation of the circuit board.

[0009] In an alternative technical solution, the box body includes a box base, a first half-hole forming member is provided on the box base, the first half-hole forming member is fixedly connected to a second half-hole forming member, a first through-hole for threading a first lead is jointly formed by a first half-hole portion of the first half-hole forming member and a second half-hole portion of the second half-hole forming member, and the first through-hole is configured to gradually decrease along the direction in which the first lead is away from the circuit board.

[0010] By providing the first half-hole forming member and the second half-hole forming member fixedly connected thereto to form the first through-hole, and configuring the first through-hole to gradually decrease in the direction away from the circuit board, it can ensure that the first lead threaded through the first through-hole maintains this posture, thereby preventing the spread of fire along the first lead here or external condensation from entering the electric control box through the first lead at the first through-hole.

[0011] In an alternative technical solution, the first connection position between the first lead and the circuit board is higher than the first through-hole.

[0012] Setting the first connection position where the first lead is connected to the circuit board higher than the first through-hole means that inside the electric control box, the first lead must have a range that gradually slopes downward along the direction away from the circuit board. Therefore, this setting can increase the cable length of the first lead in the downward direction along the direction away from the circuit board, which is more conducive to preventing the spread of fire.

[0013] In an alternative technical solution, the box body further includes a box cover, the second through-hole has a first opening facing the box cover, the first wire pressing portion is further connected to a first wire blocking hook, and the horizontal position of the first wire blocking hook is opposite to the first opening.

[0014] By providing the first wire pressing portion outside the second through-hole on the rear wall of the box base and making the lower edge of the first wire pressing portion lower than the second through-hole, the lead can maintain a state where the height is lower the farther away from the circuit board after passing through the second through-hole. And the position where the lead passes through the second through-hole will also show a state where the height is lower the farther away from the circuit board in at least a partial range.

[0015] In an alternative technical solution, the box body further includes a box cover, the second through-hole has a first opening facing the box cover, the first wire pressing portion is further connected to a first wire blocking hook, and the horizontal position of the first wire blocking hook is opposite to the first opening.

[0016] A first opening is provided, which is beneficial for, when connecting the second lead, after connecting the second lead to the circuit board, placing the second lead into the first opening to enable the second lead to pass through the second wire passing hole, and then closing the lid with the second wire passing hole. By providing a first wire blocking hook and making its horizontal position opposite to the first opening, the second lead passing through the second wire passing hole is restricted within the horizontal range where the second wire passing hole is located, preventing the second lead from escaping from the first opening to the outside of the end face where the base and the lid face each other, and preventing the second lead from interfering with the installation of the lid and the base, thereby improving the operation efficiency.

[0017] In an alternative technical solution, a first wire clamping part is provided on the rear wall of the base, the first wire clamping part is perpendicular to the rear wall of the base, the first wire clamping part is provided with a first wire clamping hole, the first wire clamping hole includes a first accommodating hole and a first passing notch communicating with the first accommodating hole, the width of the first passing notch is smaller than the diameter of the first accommodating hole, and the first passing notch is configured to squeeze the second lead and generate frictional force;

[0018] Or,

[0019] A second wire clamping part is provided on the top wall of the base, the second wire clamping part includes a second accommodating hole and a second passing notch communicating with the second accommodating hole, the width of the second passing notch is smaller than the diameter of the second accommodating hole, and the second passing notch is configured to squeeze the second lead and generate frictional force.

[0020] By providing the first wire clamping part or the second wire clamping part, using the first accommodating hole or the second accommodating hole to accommodate the second lead and making the widths of the first passing notch and the second passing notch smaller than the diameters of the corresponding accommodating holes, the first passing notch or the second passing notch can be used to squeeze the first lead and generate frictional force. On the one hand, the second lead can be placed into the first accommodating hole or the second accommodating hole from the side without having to pass the lead through the first accommodating hole or the second accommodating hole. On the other hand, after the second lead is placed into the first accommodating hole or the second accommodating hole, it is difficult to spontaneously escape through the first passing notch or the second passing notch, improving the reliability of the installation of the second lead.

[0021] In an alternative technical solution, the box body further includes a lid, the lid is fastened to the base, a downwardly communicating second opening is provided at the bottom of the rear wall of the base, the second opening includes a third accommodating hole and a third passing notch communicating with the third accommodating hole, and the third accommodating hole is lower than the bottom wall of the base.

[0022] A second opening communicating downward is provided at the bottom of the rear wall of the box base, so that the lead wire in the electric control box can pass through the bottom of the rear wall of the box base through the second opening, and the third accommodation hole is lower than the bottom wall of the box base, so that the lead wire passing through the second opening can extend downward from the connection position with the circuit board and then pass through the third opening. Therefore, the area where the lead wire passes through the bottom wall of the box base is in a state where the farther it is from the circuit board, the lower its height is.

[0023] In an alternative technical solution, the box body further includes a box cover, the box cover is buckled on the box base, a third opening is provided on the bottom wall of the box base, the third opening is lower than the bottom end of the circuit board, and a part of the third opening is blocked by the bottom wall of the box cover.

[0024] By providing a third opening on the bottom wall of the box base and using the bottom wall of the box cover to block a part of the third opening, the lead wires inserted by the wiring terminals at the lower part of the circuit board are constrained and led out from the lower part of the electric control box, without occupying the horizontal side space of the electric control box, which is beneficial to the layout of the electric control box in a narrow space.

[0025] In an alternative technical solution, the box base is provided with a second wire blocking hook, and the second wire blocking hook is lower than the third opening.

[0026] By providing the second wire blocking hook, the cable led out from the third opening can be constrained, preventing the cable from being scattered or having too large a movement range, improving the service life of the cable, and can also constrain the cable when the box cover is buckled, avoiding being clamped between the end face of the box base and the box cover and interfering with the buckling of the box cover.

[0027] The second object of the present invention is to provide an air conditioner to solve the technical problem that the lead wire arrangement of the electric control box has safety risks.

[0028] The air conditioner provided by the present invention includes a wall-mounted air conditioner indoor unit, the wall-mounted air conditioner indoor unit includes a base, a wind wheel motor and the electric control box according to any one of the above, the wind wheel motor is installed on the base, and the electric control box is located in front of the wind wheel motor.

[0029] By providing the above-mentioned electric control box in the air conditioner, correspondingly, the air conditioner has all the advantages of the above-mentioned electric control box, which will not be elaborated one by one here. Description of the Drawings

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the background technology, the following will briefly introduce the drawings required for use in the description of the embodiments or the background technology. Obviously, the following drawings are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative work.

[0031] Figure 1A schematic diagram of the structure of the electric control box provided in the first embodiment of the utility model in a state where the box cover is separated;

[0032] Figure 2 A three-dimensional disassembled diagram of the electric control box provided in the first embodiment of the utility model;

[0033] Figure 3 A schematic diagram of the appearance of the electric control box provided in the first embodiment of the utility model;

[0034] Figure 4 A three-dimensional cross-sectional view of the electric control box provided in the first embodiment of the utility model;

[0035] Figure 5 A three-dimensional cross-sectional view of the electric control box provided in the first embodiment of the utility model applied to a wall-mounted air conditioner indoor unit, wherein the section position is Figure 4 more to the left;

[0036] Figure 6 A three-dimensional disassembled diagram of the electric control box provided in the first embodiment of the utility model viewed from another direction;

[0037] Figure 7 A structural schematic diagram of a box seat in another implementation of the electric control box provided in Embodiment 1 of the utility model;

[0038] Figure 8 A schematic structural diagram of a box seat in another implementation of the electric control box provided in the first embodiment of the utility model viewed from another angle;

[0039] Figure 9 A partial three-dimensional diagram of another implementation of the electric control box provided in the first embodiment of the present utility model, which is applied to a wall-mounted air conditioner indoor unit, in which the box cover is omitted;

[0040] Figure 10 This is a schematic structural diagram of a wall-mounted indoor air conditioner in an air conditioner provided in Embodiment 2 of the present utility model.

[0041] Description of reference numerals:

[0042] 100-box seat; 110-first half hole forming member; 111-clip rib plate; 112-threaded hole; 113-positioning groove; 120-second thread hole; 121-first opening; 131-first pressing portion; 132-first stop hook; 140-first clamping portion; 141-first clamping hole; 142-first accommodating hole; 143-first through notch; 150-second clamping portion; 151-second accommodating hole; 152-second through notch; 160-second opening; 161-third accommodating hole; 162-third through notch; 170-third opening; 181-second stop hook; 182-stop hook plate;

[0043] 200-circuit board; 210-first lead; 220-second lead; 230-third lead; 240-fourth lead;

[0044] 300-box cover;

[0045] 410-base; 420-motor cover. DETAILED DESCRIPTION

[0046] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0047] Unless otherwise specified, the definition of directions in this application is as follows: the front refers to the side of the wall-mounted air-conditioning indoor unit facing the main indoor space, and the rear refers to the side of the wall-mounted air-conditioning indoor unit facing the wall on which it is hung. The bottom refers to the side of the wall-mounted air-conditioning indoor unit facing the ground. The top refers to the side of the wall-mounted air-conditioning indoor unit facing the roof. The left and right can be defined based on the above-mentioned front, back and bottom, that is, when the observer faces the wall on which the wall-mounted air conditioner is installed, the observer's left hand direction is the left side, and the observer's right hand direction is the right side. In addition, the inside and the outside are defined based on a component in the shape of a cavity or a box body, the side of the cavity or the box body facing its internal space is the inside, and the outside is the side of the cavity or the box body facing its external space.

[0048] Embodiment 1:

[0049] Figure 1 A schematic diagram of the structure of the electric control box provided in the first embodiment of the utility model in a state where the box cover is separated; Figure 2 A three-dimensional disassembled diagram of the electric control box provided in the first embodiment of the utility model; Figure 3 This is a schematic diagram of the appearance of the electric control box provided in the first embodiment of the utility model; Figure 4 A three-dimensional cross-sectional view of the electric control box provided in the first embodiment of the utility model; Figures 1 - 4 As shown, the electric control box provided in the first embodiment of the utility model includes a box body and a circuit board 200. The circuit board 200 is installed in the box body, and a plurality of leads are connected to the circuit board 200. A lead passing portion is provided on the box body, and a plurality of leads are passed through the lead passing portion in a state of being lowered in height in a direction away from the circuit board 200.

[0050] By installing multiple lead wires in the lead passing portion in a state of being lowered in height in a direction away from the circuit board 200, it can be ensured that the leads are in a state of being lower in height as they pass through the lead passing portion as they are farther away from the circuit board 200. Even if a fire occurs on the circuit board 200 and causes the fire to spread along the wires, the fire is difficult to spread downward because the leads in that part are in the above-mentioned state, thereby significantly reducing the speed of fire spread and improving the safety of the air conditioner.

[0051] In addition, since the height of this part of the lead is higher as it is closer to the circuit board, even if condensation occurs at certain locations inside the wall-mounted air conditioner indoor unit due to low temperature, water droplets will be produced on the surface of the lead. Even if the water droplets flow along the lead to the area where the lead passes through the lead passing portion, they will not flow upward and enter the electrical control box, interfering with the normal operation of the circuit board 200.

[0052] In this embodiment, the electric control box is located at the right half of the wall-mounted air conditioner indoor unit as an example, that is, the wind wheel motor is located near the right end of the base 410, and the wind wheel (not shown in the figure) driven by the wind wheel motor (not shown in the figure) is located on the left side of the wind wheel motor, and the wind wheel motor is provided with a motor pressure cover 420. In this embodiment, some leads are connected to control the driving motor and the wind wheel motor for driving the horizontal wind sweeping blades and the upper and lower wind sweeping blades, and some leads belong to the grounding wire and the electric heating wire of the PTC auxiliary heating, and some leads belong to the grounding wire and the power line, and these leads are all installed in the lead passing part in a state of being reduced in height away from the circuit board 200.

[0053] In addition, it should be noted that, in this embodiment, the circuit board 200 may include a board body and electronic components and electrical components. The circuit board 200 is connected to a lead or cable, which does not only mean that the board body of the circuit board 200 is connected to a lead or cable, but also includes the connection between an electronic component or an electrical component and a lead or cable, such as the connection between a lead and some plug terminals, which can also be included in the concept of the circuit board 200 being connected to a lead or cable.

[0054] Figure 5 A three-dimensional cross-sectional view of the electric control box provided in the first embodiment of the utility model applied to a wall-mounted air conditioner indoor unit, wherein the section position is Figure 4 more to the left; Figure 6 A three-dimensional disassembled diagram of the electric control box provided in the first embodiment of the utility model viewed from another direction; Figure 1 , Figure 2 and Figures 4 - 6As shown, optionally, the cartridge body includes a cartridge base 100. A first half-hole forming member 110 is provided on the cartridge base 100. The first half-hole forming member 110 is fixedly connected to a second half-hole forming member (not shown in the figure). A first wire passing hole for threading a first lead wire 210 is jointly formed by a first half-hole portion of the first half-hole forming member 110 and a second half-hole portion of the second half-hole forming member. The first wire passing hole is configured such that, along the direction in which the first lead wire 210 is away from the circuit board 200, the first wire passing hole gradually decreases.

[0055] By providing the first half-hole forming member 110 and the second half-hole forming member fixedly connected thereto to form the first wire passing hole, and configuring the first wire passing hole to gradually decrease in the direction away from the circuit board 200, it can be ensured that the first lead wire 210 threaded through the first wire passing hole maintains this posture, thereby preventing the spread of fire along the first lead wire 210 here or the entry of external condensation through the first lead wire 210 at the first wire passing hole into the electric control box.

[0056] Among them, the first wire passing hole is a form of manifestation of the wire passing portion. The first lead wire 210 can be a lead wire for the electric control box to control the wind wheel motor and the power supply wire of the electric control box.

[0057] Specifically, it should be noted that the surfaces of the first half-hole forming member 110 and the second half-hole forming member do not necessarily have to be complete semi-circular shapes. The reason for using the terms "first half-hole" and "second half-hole" is that the two can cooperate with each other to clamp the first lead wire 210 to form an area for the first lead wire 210 to pass through.

[0058] In this embodiment, the first half-hole forming member 110 may include a plurality of wire clamping rib plates 111. The upper surface of each wire clamping rib plate 111 has an arc-shaped depression, and the arc-shaped depressions of each wire clamping rib plate 111 preferably remain consistent. Of course, if there are multiple lead wires passing through the first half-hole forming member 110, multiple arc-shaped depressions can be provided on the wire clamping rib plates 111. If the diameters of the lead wires are different, arc-shaped depressions with a larger radius of curvature can be provided for the thicker lead wires, and arc-shaped depressions with a smaller radius of curvature can be provided for the thinner lead wires.

[0059] Moreover, the first half-hole forming member 110 is also provided with a threaded hole 112, and a male threaded connecting member such as a screw or a bolt passing through the through hole in the second half-hole forming member is threadedly connected to the threaded hole 112. Among them, the threaded hole 112 and the through hole are respectively located at one end of the first half-hole forming member and the second half-hole forming member. In addition, a positioning groove 113 is provided at the other end of the first half-hole forming member 110 to accommodate and match the other end of the second half-hole forming member to prevent the other end of the second half-hole forming member from disengaging from the first half-hole forming member 110. Among them, the side of the second half-hole forming member facing the first half-hole forming member 110 is symmetrically arranged with the first half-hole forming member 110. For example, it may also include a plurality of mirror-symmetrical wire clamping rib plates 111, so as to jointly clamp the cable when the first half-hole forming member 110 and the second half-hole forming member are fixedly connected.

[0060] Specifically in this embodiment, along the direction away from the circuit board 200, the first lead 210 is in a state of being backward and downward in the area passing through the first wire passing hole. Figure 5 and Figure 6 in, when observed from the right side, it is toward the lower right direction of the drawing.

[0061] Such as Figure 1 、 Figure 2 and Figures 4 - 6 shown, optionally, the first connection position of the first lead 210 and the circuit board 200 is higher than the first wire passing hole.

[0062] Setting the first connection position of the first lead 210 and the circuit board 200 to be higher than the first wire passing hole means that inside the electric control box, the first lead 210 must have a range that gradually descends along the direction away from the circuit board 200. Therefore, this setting can increase the cable length of the first lead 210 in the downward direction along the direction away from the circuit board 200, which is more conducive to preventing the spread of fire.

[0063] Among them, the first connection position of the first lead 210 and the circuit board 200 not only refers to the position where the first lead 210 is directly connected to the board body of the circuit board 200, but also includes the position where the first lead 210 is connected to the electrical components or electronic components on the circuit board 200.

[0064] Such as Figure 1 、 Figure 2 and Figures 4 - 6 shown, optionally, the box body includes a box base 100. The rear wall of the box base 100 is provided with a second wire passing hole 120 for the second lead 220 to pass through. The outer side of the second wire passing hole 120 is also provided with a first wire pressing portion 131, and the lower edge of the first wire pressing portion 131 is lower than the lowest end of the second wire passing hole 120.

[0065] By providing a first wire pressing portion 131 outside the second wire passing hole 120 on the rear wall of the box base 100 and making the lower edge of the first wire pressing portion 131 lower than the second wire passing hole 120, it is possible to make the lead wire maintain a state where the height becomes lower as it gets farther away from the circuit board 200 after passing through the second wire passing hole 120. Also, the position where the lead wire passes through the second wire passing hole 120 will also present a state where the height becomes lower as it gets farther away from the circuit board 200 within at least a partial range.

[0066] In this embodiment, the second wire passing hole 120 and the first wire pressing portion 131 together constitute an embodiment form of the wire passing portion. Specifically, the first wire pressing portion 131 includes a bent plate body that extends downward and rearward from the rear wall of the box base 100 and then bends downward to form a plate body substantially along the vertical direction or a plate body substantially parallel to the rear wall of the box base 100. When the second lead wire 220 passes outside the second wire passing hole 120 and encounters the bent plate body of the first wire pressing portion 131, and the lower edge of the bent plate body is lower than the lowest end of the second wire passing hole 120, the second wire pressing portion causes the second lead wire 220 to bend downward. Although, in this embodiment, the connection position of the second lead wire 220 to the circuit board 200 may be higher than the second wire passing hole 120, due to the above reasons, the second lead wire 220 still has a region where the height becomes lower as it gets farther away from the circuit board 200 as a whole. The fire of the electronic components in the electric control box or the circuit board 200 is not easily transmitted to the outside of the electric control box through the second lead wire 220.

[0067] In this embodiment, the second lead wire 220 can be the ground wire in the electric control box and the electric heating wire for connecting the PTC auxiliary heating device.

[0068] Such as Figure 1 、 Figure 2 and Figure 5 、 Figure 6 As shown in

[0069] A first opening 121 is provided, which is beneficial for when connecting the second lead 220. After connecting the second lead 220 to the circuit board 200, the second lead 220 can be placed into the first opening 121 to enable the second lead 220 to pass through the second wire passing hole 120, and then the lid 300 is covered with the second wire passing hole 120. By providing a first wire blocking hook 132 and making its horizontal position opposite to the first opening 121, the second lead 220 passing through the second wire passing hole 120 is constrained within the horizontal range where the second wire passing hole 120 is located, preventing the second lead 220 from escaping from the first opening 121 to the outside of the end face where the box base 100 and the lid 300 face each other, and preventing the second lead 220 from interfering with the installation of the lid 300 and the box base 100, thereby improving the operation efficiency.

[0070] Among them, the horizontal position of the first wire blocking hook 132 being opposite to the first opening 121 means that the first wire blocking hook 132 is opposite to the first opening 121 in the left - right direction. However, since the height of the lower edge of the first wire pressing portion 131 is lower than the lowest end of the second wire passing hole 120, the vertical position of the first wire blocking hook 132 can be lower than the lower edge of the first opening 121. Specifically, in this embodiment, the root of the first wire blocking hook 132 is located at the lower - right corner position of the first wire pressing portion 131, and the first wire blocking hook 132 can extend forward and downward from the first wire pressing portion 131 to more effectively prevent the cable from escaping from the first opening 121.

[0071] Of course, in another implementation, the first wire pressing portion 131 may not be a bent plate body. For example, the first wire pressing portion 131 may be a horizontal rod body, and a first wire blocking hook 132 is provided at the free end of the rod body to hook the second lead 220 to prevent it from escaping from the first opening 121.

[0072] Figure 7 Schematic diagram of the structure of the box base in another implementation of the electric control box provided in the first embodiment of the present utility model; Figure 8 Schematic diagram of the structure of the box base in another implementation of the electric control box provided in the first embodiment of the present utility model when observed from another angle; As Figures 5 - 6 shown, optionally, a first wire clamping portion 140 is provided on the rear wall of the box base 100. The first wire clamping portion 140 is perpendicular to the rear wall of the box base 100. The first wire clamping portion 140 is provided with a first wire clamping hole 141. The first wire clamping hole 141 includes a first accommodation hole 142 and a first passing notch 143 communicating with the first accommodation hole 142. The width of the first passing notch 143 is smaller than the diameter of the first accommodation hole 142. The first passing notch 143 is configured to squeeze the second lead 220 and generate frictional force;

[0073] Or,

[0074] As Figures 7 - 8As shown, the top wall of the box base 100 is provided with a second wire clamping portion 150. The second wire clamping portion 150 includes a second receiving hole 151 and a second passing notch 152 communicating with the second receiving hole 151. The width of the second passing notch 152 is smaller than the diameter of the second receiving hole 151. The second passing notch 152 is configured to squeeze the second lead wire 220 and generate frictional force.

[0075] By providing the first wire clamping portion 140 or the second wire clamping portion 150, using the first receiving hole 142 or the second receiving hole 151 to receive the second lead wire 220 and making the widths of the first passing notch 143 and the second passing notch 152 smaller than the diameters of the corresponding receiving holes, the first passing notch 143 or the second passing notch 152 can be used to squeeze the first lead wire 210 and generate frictional force. On the one hand, the second lead wire 220 can be placed into the first receiving hole 142 or the second receiving hole 151 from the side without the need for the lead wire to pass through the first receiving hole 142 or the second receiving hole 151. On the other hand, after the second lead wire 220 is placed into the first receiving hole 142 or the second receiving hole 151, it is difficult to spontaneously escape through the first passing notch 143 or the second passing notch 152, improving the reliability of the installation of the second lead wire 220.

[0076] As Figure 5 and Figure 6 shown, specifically, in this embodiment, the first wire clamping portion 140 can be plate-shaped and is arranged on the left side of the first wire pressing portion 131. A first receiving hole 142 is formed in the first wire clamping portion 140, and the first receiving hole 142 can be circular. The first passing notch 143 is arranged at the rear of the first receiving notch, and the first passing notch 143 communicates the first receiving hole 142 and the rear edge of the first wire clamping portion 140. If the first receiving hole 142 receives a cable, the diameter of the first receiving hole 142 is greater than or equal to the diameter of this cable, and the width of the first passing notch 143 is smaller than the diameter of this cable, and it is ensured that the cable can be pressed into or pulled out of the first passing notch 143.

[0077] As Figure 7 and Figure 8 shown, similarly, the structure of the second wire clamping portion 150 is similar to that of the first wire clamping portion 140 and will not be described in detail here. The main difference is that the second wire clamping portion 150 can be block-shaped and is arranged on the upper surface of the top wall of the box base 100, and the second passing notch 152 is located above the second receiving hole 151.

[0078] Figure 9 This is a partial perspective view of an electric control box in another implementation manner provided by Embodiment 1 of the present invention, which is applied to a wall-mounted air conditioner indoor unit. The box cover is omitted in the figure; as Figures 7 - 9As shown, optionally, a second opening 160 communicating downward is provided at the bottom of the rear wall of the cartridge base 100. The second opening 160 includes a third receiving hole 161 and a third through notch 162 communicating with the third receiving hole 161. The third receiving hole 161 is lower than the bottom wall of the cartridge base 100.

[0079] By providing the second opening 160 communicating downward at the bottom of the rear wall of the cartridge base 100, the lead wire in the electronic control box can pass through the bottom of the rear wall of the cartridge base 100 through the second opening 160. Moreover, since the third receiving hole 161 is lower than the bottom wall of the cartridge base 100, the lead wire passing through the second opening 160 can extend downward from the connection position with the circuit board 200 and then pass through the third opening 170. Thus, the area where the lead wire passes through the bottom wall of the cartridge base 100 is in a state where the farther it is from the circuit board 200, the lower its height.

[0080] Among them, in this embodiment, the lead wire passing through the second opening 160 is the third lead wire 230. The third lead wire 230 can be the connection wire between the electronic control box and the motors for driving the upper and lower air-sweeping blades and the horizontal air-sweeping blade. The area where the bottom wall edge of the cartridge base 100 is penetrated by the third lead wire 230 and the second opening 160 together constitute an embodiment form of the lead wire passing portion. Since the third receiving hole 161 is lower than the bottom wall of the cartridge base 100, at least a part of the section of the third lead wire 230 from the bottom wall of the cartridge base 100 to the third receiving hole 161 is lower in height the farther it is from the circuit board 200. Specifically, in this embodiment, the part of the rear wall of the cartridge base 100 where the second opening 160 is provided is lower than the bottom wall of the cartridge base 100. The second opening 160 can be an inverted L shape, that is, the third receiving hole 161 is a horizontal bar of the inverted L shape, and the second through notch 152 is a vertical bar of the inverted L shape. The second through notch 152 communicates.

[0081] Moreover, by setting the second opening 160 in the above shape, during the assembly process, the third lead wire 230 can be first connected to the plug-in terminal on the circuit board. After the circuit board is installed on the cartridge base 100, the third lead wire 230 is passed through the third through notch 162 and the third receiving hole 161, so that the third lead wire 230 is located in the third receiving hole 161 and is constrained. It can prevent the second lead wire 220 from coming out of the first opening 121 to the outside of the end face of the cartridge base 100 opposite to the cartridge cover 300, and prevent the second lead wire 220 from interfering with the installation of the cartridge cover 300 and the cartridge base 100, thereby improving the operation efficiency.

[0082] As Figure 1 and Figure 2 shown, optionally, the cartridge body further includes a cartridge cover 300. The cartridge cover 300 is snapped onto the cartridge base 100. A third opening 170 is provided in the bottom wall of the cartridge base 100. The third opening 170 is lower than the bottom end of the circuit board 200. The bottom wall of the cartridge cover 300 shields a part of the third opening 170.

[0083] By providing a third opening 170 on the bottom wall of the box base 100 and using the bottom wall of the box cover 300 to block a part of the third opening 170, the leads inserted into the wiring terminals at the lower part of the circuit board 200 are constrained and led out from the lower part of the electric control box, without occupying the space on the horizontal side of the electric control box, which is beneficial for arranging the electric control box in a narrow space.

[0084] In this embodiment, the lead passing through the third opening 170 is the fourth lead 240, and the fourth lead 240 can be the connection line between the electric control box and the motors for driving the upper and lower air-sweeping blades and the horizontal air-sweeping blade. The third opening 170 is also a form of embodiment of the lead passing part. The third opening 170 is provided at the right edge of the bottom wall of the box base 100 and opens to the right. The third opening 170 is a vertically penetrating third opening 170, and the bottom wall of the box cover 300 of the electric control box blocks a part of the third opening 170, which means that from the perspective of looking up, the bottom wall of the box cover 300 covers the right part of the third opening 170.

[0085] As Figure 1 、 Figure 2 and Figure 4 shown, optionally, the box base 100 is provided with a second wire blocking hook 181, and the second wire blocking hook 181 is lower than the third opening 170.

[0086] By providing the second wire blocking hook 181, the cable led out from the third opening 170 can be constrained, preventing the cable from being scattered or having too large a movement range, improving the service life of the cable, and also being able to constrain the cable when the box cover 300 is buckled, avoiding being clamped between the end face of the box base 100 and the box cover 300 and interfering with the buckling of the box cover 300.

[0087] Specifically, the second wire blocking hook 181 is arranged on the wire blocking hook plate 182, and the wire blocking hook plate 182 extends downward from the bottom wall of the box base 100 in the vertical direction. More specifically, the second wire blocking hook 181 is arranged at the bottom of the wire blocking hook plate 182. Starting from the root, the second wire blocking hook 181 first extends backward and then extends leftward, thus forming an opening area opening backward to prevent the corresponding part of the cable from moving too far to the right.

[0088] Embodiment Two:

[0089] Figure 10 It is a schematic structural diagram of a wall-mounted air conditioner indoor unit in the air conditioner provided by the second embodiment of the present invention; as Figure 5 、 Figure 9 and Figure 10 Embodiment Two also provides an air conditioner, including a wall-mounted air conditioner indoor unit, the wall-mounted air conditioner indoor unit includes a base 410, a wind wheel motor and the electric control box of Embodiment One, the wind wheel motor is installed on the base 410, and the electric control box is located in front of the wind wheel motor.

[0090] By providing the above-mentioned electronic control box in the air conditioner, correspondingly, the air conditioner has all the advantages of the above-mentioned electronic control box, which will not be elaborated one by one here.

[0091] Although the present utility model is disclosed as above, the present 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. Therefore, the protection scope of the present utility model shall be subject to the scope defined by the claims.

[0092] Finally, it should also be noted that in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

[0093] In the above embodiments, the descriptions of directions such as "upper" and "lower" are all based on the drawings.

[0094] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model.

[0095] Therefore, the present utility model will not be limited to these embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electronic control box, characterized in that, The invention comprises a box body and a circuit board (200), wherein the circuit board (200) is installed in the box body and a plurality of leads are connected to the circuit board (200); a lead passing portion is provided on the box body, and a plurality of leads are passed through the lead passing portion in a state where their height is reduced in a direction away from the circuit board (200).

2. The electronic control box according to claim 1, wherein The box body includes a box seat (100), and a first half-hole forming member (110) is provided on the box seat (100). The first half-hole forming member (110) is fixedly connected to a second half-hole forming member. The first half-hole portion of the first half-hole forming member (110) and the second half-hole portion of the second half-hole forming member jointly form a first wire passing hole for passing a first lead wire (210). The first wire passing hole is configured such that the first wire passing hole gradually decreases along the direction in which the first lead wire (210) is away from the circuit board (200).

3. The electronic control box according to claim 2, characterized in that, A first connection position between the first lead wire (210) and the circuit board (200) is higher than the first wire-passing hole.

4. The electronic control box according to claim 1, characterized in that The box body comprises a box seat (100), a rear wall of the box seat (100) is provided with a second wire passing hole (120) for the second lead wire (220) to pass through, a first wire pressing portion (131) is further provided on the outer side of the second wire passing hole (120), and a lower edge of the first wire pressing portion (131) is lower than the lowest end of the second wire passing hole (120).

5. The electronic control box according to claim 4, characterized in that, The box body also includes a box cover (300), the second wire passing hole (120) has a first opening (121) facing the box cover (300), the first wire pressing portion (131) is also connected to a first wire blocking hook (132), and the horizontal position of the first wire blocking hook (132) is opposite to the first opening (121).

6. The electronic control box according to claim 4, characterized in that, The rear wall of the box seat (100) is provided with a first wire clamping portion (140), the first wire clamping portion (140) is perpendicular to the rear wall of the box seat (100), the first wire clamping portion (140) is provided with a first wire clamping hole (141), the first wire clamping hole (141) comprises a first receiving hole (142) and a first through notch (143) connected to the first receiving hole (142), the width of the first through notch (143) is smaller than the diameter of the first receiving hole (142), and the first through notch (143) is configured to squeeze the second lead wire (220) and generate friction force; or, The top wall of the box seat (100) is provided with a second wire clamping portion (150), the second wire clamping portion (150) comprises a second accommodating hole (151) and a second through notch (152) connected to the second accommodating hole (151), the width of the second through notch (152) is smaller than the diameter of the second accommodating hole (151), and the second through notch (152) is configured to squeeze the second lead wire (220) and generate friction force.

7. The electronic control box according to any one of claims 1-6, characterized in that, The box body further includes a box cover (300), the box cover (300) is snapped onto the box base (100), a second opening (160) communicating downward is provided at the bottom of the rear wall of the box base (100), the second opening (160) includes a third receiving hole (161) and a third passing notch (162) communicating with the third receiving hole (161), and the third receiving hole (161) is lower than the bottom wall of the box base (100).

8. The electronic control box according to any one of claims 1-6, characterized in that, The box body further includes a box cover (300), the box cover (300) is snapped onto the box base (100), a third opening (170) is provided in the bottom wall of the box base (100), the third opening (170) is lower than the bottom end of the circuit board (200), and a part of the third opening (170) is blocked by the bottom wall of the box cover (300).

9. The electronic control box according to claim 8, characterized in that, The box base (100) is provided with a second wire blocking hook (181), and the second wire blocking hook (181) is lower than the third opening (170).

10. An air conditioner, characterized in that, The air conditioner includes a wall-mounted air conditioner indoor unit, the wall-mounted air conditioner indoor unit includes a base (410), a wind wheel motor, and an electronic control box according to any one of claims 1-9, the wind wheel motor is installed on the base (410), and the electronic control box is located in front of the wind wheel motor.

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