Electric control box and electric equipment

Abstract

The embodiment of the utility model relates to the technical field of air conditioners, and particularly discloses an electric control box which comprises a shell, a circuit board and a contact piece. The shell comprises a shell body and a cover plate, the shell body and the cover plate jointly define a containing cavity, and the shell body is provided with a mounting part. The circuit board is provided with a first end and a second end which are opposite in the preset direction, the first end is fixed to the installation part, the length of the cover plate is L1 in the preset direction, the length of the circuit board is L2, and L1-L2 is larger than or equal to 0. The contact piece is arranged between the second end and the cover plate, and the contact piece abuts against the cover plate or the shell. Through the above structure, the first end is fixed to the shell, the second end abuts against the cover plate or the shell, so that the circuit board can be fixed between the shell and the cover plate, and meanwhile, the contact piece at the second end only plays a role in abutting and supporting, so that when the length of the circuit board in the preset direction changes, the circuit board can be fixed between the shell and the cover plate. Only by changing the abutting position of the contact piece and the cover plate or the shell, the purpose that the electric control box is adaptive to circuit boards with different lengths can be achieved.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of air conditioning technology, and in particular to an electric control box and electrical equipment. Background Art

[0002] Air conditioning is an air conditioner, which is a device that uses artificial means to adjust and control the temperature, humidity, flow rate and other parameters of the ambient air in a building or structure. Air conditioning generally includes: electronic control module, refrigeration host, water pump, fan and piping system.

[0003] In the process of realizing the present application, the inventor of the present application found that circuit boards of different lengths need to be installed inside the electric control module of the air conditioner. At present, the electric control module includes a housing and a circuit board, and the housing is provided with a mounting support, and the circuit board is fixed to the housing through the mounting support provided on the housing. However, the position of the mounting support in this structure is fixed, and it is impossible to adapt to circuit boards of different lengths. Utility Model Content

[0004] The embodiments of the present application provide an electric control box and an electric device, which can improve the current situation where the position of the mounting support is fixed and cannot adapt to circuit boards of different lengths.

[0005] In order to solve the above technical problems, a technical solution adopted by the present application is: to provide an electric control box, the electric control box includes a shell, a circuit board and a contact. The shell includes a shell and a cover plate, the shell and the cover plate together enclose a accommodating cavity, and the shell is provided with a mounting portion. The circuit board has a first end and a second end opposite to each other along a preset direction, the first end is fixed to the mounting portion, along the preset direction, the length of the cover plate is L1, the length of the circuit board is L2, and L1-L2≥0. The contact is arranged between the second end and the cover plate, and the contact abuts against the cover plate or the shell.

[0006] Optionally, the circuit board is provided with a through hole, and the through hole is provided at the second end. The contact member is provided with a plug-in portion and a supporting portion, the plug-in portion is mounted on the supporting portion, the plug-in portion is plugged into the through hole, one side of the supporting portion is supported on the circuit board, and the other side of the supporting portion abuts against the cover plate or the housing.

[0007] Optionally, the contact piece is further provided with a clamping portion, the clamping portion is protruding from the plug-in portion, and the clamping portion and the supporting portion jointly clamp the circuit board.

[0008] Optionally, there is an angle between the plug-in portion and the axial direction of the through hole, and an end of the plug-in portion away from the support portion is closer to the axis of the through hole relative to an end of the plug-in portion close to the support portion.

[0009] Optionally, the housing is provided with a mounting groove surrounding the accommodating cavity, the cover plate is buckled in the mounting groove, the cover plate comprises a bottom plate and a side plate, the side plate is arranged perpendicular to the bottom plate, and the side plate abuts against the bottom of the mounting groove.

[0010] Optionally, the shell is further provided with a first hook, the side plate is provided with a slot, and the first hook is engaged with the slot.

[0011] Optionally, a limiting portion is protruding from one side of the shell facing the accommodating cavity, the circuit board has a first surface, the limiting portion abuts against the first surface, and the circuit board is mounted on the limiting portion.

[0012] Optionally, a second hook is protruding from one side of the shell facing the accommodating cavity, the circuit board has a second surface, the first surface and the second surface are arranged opposite to each other, the second hook abuts against the second surface, and the limiting portion and the second hook jointly clamp the circuit board.

[0013] Optionally, the circuit board has a first surface and a second surface disposed opposite to each other, the first surface faces the housing, and the second surface faces the cover. The electric control box further includes a dustproof member, the dustproof member is installed at the second end of the circuit board and extends toward the cover, and the dustproof member, part of the housing, part of the cover, and the second surface of the circuit board together enclose a dustproof cavity.

[0014] In order to solve the above technical problems, another technical solution adopted in the present application is: an electrical device is also provided, the electrical device includes an air conditioner and the above electric control box, the electric control box is installed in the air conditioner, and the electric control box is used to control the air conditioner.

[0015] The beneficial effect of the embodiment of the present application is that: different from the prior art, the embodiment of the present application provides an electric control box, the electric control box includes a shell, a circuit board and a contact. The shell includes a shell and a cover plate, the shell and the cover plate together enclose a receiving cavity, and the shell is provided with a mounting portion. The circuit board has a first end and a second end opposite to each other along a preset direction, the first end is fixed to the mounting portion, along the preset direction, the length of the cover plate is L1, the length of the circuit board is L2, L1-L2≥0. The contact is arranged between the second end and the cover plate, and the contact abuts against the cover plate or the shell. Through the above structure, the first end of the circuit board is fixed to the shell, and the second end of the circuit board abuts against the cover plate or the shell, so that the circuit board can be fixed between the shell and the cover plate, and at the same time, the contact at the second end only plays the role of abutment support, so that when the length of the circuit board in the preset direction changes, only the abutment position of the contact with the cover plate or the shell needs to be changed, so that the purpose of the electric control box adapting to circuit boards of different lengths can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying creative work.

[0017] Figure 1 is a three-dimensional diagram of an electric control box provided in one embodiment of the present application;

[0018] Figure 2 One embodiment of the present application provides Figure 1 A-side cross-sectional view;

[0019] Figure 3 is an exploded view of an electric control box provided in one embodiment of the present application;

[0020] Figure 4 is a three-dimensional diagram of a contact member provided in one embodiment of the present application;

[0021] Figure 5 It is a three-dimensional diagram of a shell provided in one embodiment of the present application.

[0022] The reference numerals of the electric control box 1000 are as follows:

[0023]

[0024] DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in this specification and in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0027] The embodiment of the present application provides an electric device, which includes an air conditioner and an electric control box 1000. The electric control box 1000 is installed on the air conditioner, and the electric control box 1000 is used to control the circuit of the air conditioner. It is understandable that the electric device can also be a refrigerator, a freezer, a compressor, a motor, a pump, and other electric devices that require circuit control. In the present application, the air conditioner is taken as an example for explanation.

[0028] For the aforementioned electric control box 1000, please refer to Figure 1 and Figure 2The electric control box 1000 includes a housing 100, a circuit board 200 and a contact 300. The housing 100 includes a shell 110 and a cover plate 120. The shell 110 and the cover plate 120 together enclose a receiving cavity 130. The shell 110 is provided with a mounting portion 115. The circuit board 200 has a first end 210 and a second end 220 opposite to each other along a preset direction F. The first end 210 is fixed to the mounting portion 115. Along the preset direction F, the length of the cover plate 120 is L1, and the length of the circuit board 200 is L2, and L1-L2≥0. The contact 300 is provided between the second end 220 and the cover plate 120, and the contact 300 abuts against the cover plate 120 or the housing 110. It can be understood that the length of the circuit board 200 in the preset direction F can be adjusted according to actual use conditions, and because the contact member 300 only abuts against the housing 110 or the cover plate 120 but is not fixed, the circuit board 200 of different lengths can be adapted, and the contact member 300 and the mounting portion 115 play a role in supporting the circuit board 200 together. Through the above structure, the first end 210 of the circuit board 200 is fixed to the housing 110, and the second end 220 of the circuit board 200 abuts against the cover plate 120 or the housing 110, so that the circuit board 200 can be fixed between the housing 110 and the cover plate 120. At the same time, the contact member 300 at the second end 220 only plays a role of abutment and support, so that when the length of the circuit board 200 in the preset direction F changes, only the abutment position of the contact member 300 and the cover plate 120 or the housing 110 needs to be changed, so that the purpose of the electric control box 1000 adapting to circuit boards 200 of different lengths can be achieved.

[0029] For further information, see Figure 3 and Figure 4, and in combination with other drawings. The circuit board 200 is provided with a through hole 230, and the through hole 230 is provided at the second end 220. The contact member 300 is provided with a plug-in portion 310 and a support portion 320, the plug-in portion 310 is installed on the support portion 320, the plug-in portion 310 is plugged into the through hole 230, one side of the support portion 320 is supported on the circuit board 200, and the other side of the support portion 320 is abutted against the cover plate 120 or the housing 110. In the embodiment of the present application, the support part 320 abuts between the cover plate 120 and the circuit board 200. Since the surface of the cover plate 120 is flat, the support part 320 does not need to occupy too much space between the housing 110 and the circuit board 200 when abutting against the cover plate 120; and in the embodiment of the present application, the distance between the circuit board 200 and the cover plate 120 is smaller than the distance between the cover plate 120 and the housing 110, and the cover plate 120 is arranged close to the plane where the electric control box 1000 is installed, so that the distance between the contact member 300 and the cover plate 120 is smaller, and the support for the circuit board 200 is more stable, that is, the contact member 300 abuts against the cover plate 120 or the housing 110 is selected according to the circuit board 200 being closer to the cover plate 120 or the housing 110, and the contact member 300 with too long length will affect the support stability of the contact member 300 for the circuit board 200. It should still be noted that the through hole 230 is a circular through hole 230. In some embodiments, the housing 110 is provided with two mounting portions 115 near the first end 210, and the circuit board 200 is provided with two through holes 230 at the second end 220. The electric control box 1000 further includes two contacts 300, and one contact 300 passes through one through hole 230 and is supported between the circuit board 200 and the cover plate 120, thereby improving the support stability of the contact 300 on the circuit board 200. For some circuit boards 200 that are longer in the preset direction F, or circuit boards 200 that have more electronic components, additional through holes 230 may be provided in the middle of the circuit board 200 and the contact 300 may be installed accordingly, thereby sharing the load borne by the circuit board 200 and improving the support stability of the contact 300 on the circuit board 200.

[0030] For further information, see Figure 4, and in combination with other drawings. The contact member 300 is also provided with a clamping portion 330, which is convexly arranged on the plug-in portion 310, and the clamping portion 330 and the support portion 320 jointly clamp the circuit board 200. The distance between the clamping portion 330 and the support portion 320 is greater than or equal to the thickness of the circuit board 200, thereby preventing the tolerance of the parts from causing installation interference. It can be understood that the clamping portion 330 is at least partially in contact with the periphery of the through hole 230 of the circuit board 200, and only plays the role of the contact member 300 clamping and fixing the circuit board 200; optionally, the number of the clamping portions 330 can be two, and the two clamping portions 330 are relatively arranged on both sides of the plug-in portion 310, thereby reducing the contact area with the circuit board 200, thereby facilitating the circuit planning of the circuit board 200 or providing a larger area for the electronic components of the circuit board 200.

[0031] Still need to explain, please refer to Figure 4 , and combined with other drawings. There is an angle between the plug-in portion 310 and the axial direction of the through hole 230. The end of the plug-in portion 310 away from the support portion 320 is closer to the axis of the through hole 230 than the end of the plug-in portion 310 close to the support portion 320. Through the above structure, the plug-in portion 310 is tilted to facilitate insertion into the through hole 230. Specifically, the plug-in portion 310 and the clamping portion 330 in the embodiment of the present application are arranged in an arrow shape.

[0032] It is still necessary to explain the above-mentioned contact member 300. Figure 4 , and in combination with other drawings. The contact member 300 is also provided with a base 340, and the base 340 is arranged at the end of the support portion 320 away from the plug-in portion 310. The base 340 and the support portion 320 are projected onto the cover plate 120, and the projection area of ​​the base 340 is larger than the projection area of ​​the support portion 320. Through the above structure, the contact area between the base 340 and the cover plate 120 or the housing 110 is increased, thereby further improving the support stability of the contact member 300 to the circuit board 200. Specifically, the cross-sections of the base 340 and the support portion 320 are arranged in an "I" shape, thereby improving the structural strength of the contact member 300 and reducing the weight of the parts, saving materials.

[0033] In the embodiments of this application, please refer to Figure 5, and in combination with other drawings. The shell 110 is provided with a mounting groove 111 surrounding the accommodating cavity 130. The cover plate 120 is buckled in the mounting groove 111, and the cover plate 120 includes a bottom plate 121 and a side plate 122. The side plate 122 is arranged perpendicular to the bottom plate 121, and the side plate 122 abuts against the bottom of the mounting groove 111. That is, the side plate 122 is arranged around the bottom plate 121 and buckled in the shell 110. The side plate 122 abuts against the bottom of the mounting groove 111, and / or the groove wall of the mounting groove 111 abuts against the bottom plate 121. By providing the side plate 122, on the one hand, the contact area between the cover plate 120 and the shell 110 can be increased, thereby improving the stability of the installation; on the other hand, the installation and fixation of the mounting groove 111 and the side plate 122 can prevent the cover plate 120 from moving relative to the shell 110.

[0034] For further information, see Figure 2 and Figure 5 , and in combination with other drawings. The housing 110 is further provided with a first hook 112, and the side plate 122 is provided with a slot 1221, and the first hook 112 is engaged with the slot 1221. That is, the side plate 122 abuts against the bottom of the installation slot 111, and the slot 1221 is engaged and fixed with the first hook 112, thereby fixing the cover plate 120 to the housing 110. This facilitates the installation and removal of the cover plate 120, and facilitates the disassembly and assembly when the circuit board 200 needs to be repaired or cleaned.

[0035] Please note that Figure 2 and Figure 5 , and in combination with other drawings. The circuit board 200 has a first surface 240 and a second surface 250 that are arranged opposite to each other, the first surface 240 faces the housing 110, and the second surface 250 faces the cover 120. The first surface 240 and the second surface 250 are both used to set electronic components. Specifically, in the embodiment of the present application, the electronic components that occupy a smaller space are set on the second surface 250, and the electronic components that occupy a larger space are set on the first surface 240.

[0036] For the housing 110, see Figure 2 , Figure 3 and Figure 5 , and in combination with other drawings. The housing 110 is also provided with a limiting portion 113 protruding from one side of the housing 110 facing the accommodating cavity 130. The circuit board 200 has a first surface 240. The limiting portion 113 abuts against the first surface 240. The circuit board 200 is mounted on the limiting portion 113. It should be noted that the limiting portion 113 is provided on the wall surface of the side wall of the housing 110 and is provided around the circuit board 200, thereby supporting the circuit board 200.

[0037] For further information, see Figure 2 , Figure 3 and Figure 5, and in combination with other drawings. The housing 110 is also provided with a second hook 114 protruding from one side of the housing cavity 130, the second hook 114 abuts against the second surface 250, and the limiting portion 113 and the second hook 114 jointly clamp the circuit board 200. It can be understood that by providing the second hook 114 and the limiting portion 113 on the inner wall of the housing 110 to jointly clamp the circuit board 200, there is no need to change the structure of the circuit board 200 itself, so that the housing 110 can adapt to circuit boards 200 of different lengths.

[0038] In the embodiments of this application, please refer to Figure 2 and Figure 3 , and in combination with other drawings. The electric control box 1000 also includes a dustproof member 400, which is installed at the second end 220 of the circuit board 200 and extends toward the cover plate 120. The dustproof member 400, part of the housing 110, part of the cover plate 120, and the second surface 250 of the circuit board 200 together enclose a dustproof cavity 410. Optionally, the dustproof member 400 is arranged in an "L" shape, and part of the dustproof member 400 is provided with an adhesive layer, which is attached to the circuit board 200, and the other part is bent and arranged to enclose the dustproof cavity 410, thereby protecting the electronic components arranged on the second surface 250 and reducing dust from entering the dustproof cavity 410. Optionally, the dustproof member 400 includes a Mylar sheet. It should be noted that the Mylar sheet (MYLAR sheet) PET polyester film is a film formed by heating dimethyl terephthalate and ethylene glycol with the assistance of relevant catalysts, undergoing ester exchange and vacuum polycondensation, and biaxial stretching. It has dimensional stability, flatness, excellent tearing strength, heat resistance, cold resistance, moisture resistance, water resistance, chemical corrosion resistance, and has good insulation properties, excellent electrical, mechanical, heat resistance, and chemical resistance.

[0039] In an embodiment of the present application, an electric control box 1000 is provided, and the electric control box 1000 includes a housing 100, a circuit board 200, and a contact 300. The housing 100 includes a shell 110 and a cover plate 120, and the shell 110 and the cover plate 120 together enclose a receiving cavity 130, and the shell 110 is provided with a mounting portion 115. The circuit board 200 has a first end 210 and a second end 220 opposite to each other along a preset direction F, and the first end 210 is fixed to the mounting portion 115. Along the preset direction F, the length of the cover plate 120 is L1, and the length of the circuit board 200 is L2, and L1-L2≥0. The contact 300 is arranged between the second end 220 and the cover plate 120, and the contact 300 abuts against the cover plate 120 or the housing 110. Through the above structure, the first end 210 of the circuit board 200 is fixed to the shell 110, and the second end 220 of the circuit board 200 abuts against the cover plate 120 or the shell 110, so that the circuit board 200 can be fixed between the shell 110 and the cover plate 120. At the same time, the contact member 300 at the second end 220 only plays a role of abutment support, so that when the length of the circuit board 200 in the preset direction F changes, it is only necessary to change the abutment position of the contact member 300 and the cover plate 120 or the shell 110, so as to achieve the purpose of the electric control box 1000 adapting to circuit boards 200 of different lengths.

[0040] Based on the unified inventive concept, the present application also provides an electrical device, which includes an air conditioner and the above-mentioned electric control box 1000, the electric control box 1000 is installed in the air conditioner, and the electric control box 1000 is used to control the air conditioner. The structure and function of the electric control box 1000 can be referred to the above embodiment, and will not be repeated here.

[0041] It should be noted that the preferred embodiments of the present application are given in the specification and drawings of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described in the specification. These embodiments are not used as additional limitations on the content of the present application. The purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. In addition, the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as the scope of the description of the present application; further, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should belong to the scope of protection of the claims attached to the present application.

Claims

1. An electric control box, characterized in that: include: The housing comprises a shell and a cover plate, wherein the shell and the cover plate together enclose an accommodating cavity, and the shell is provided with a mounting portion; A circuit board having a first end and a second end opposite to each other along a preset direction, wherein the first end is fixed to the mounting portion, and along the preset direction, the length of the cover plate is L1, the length of the circuit board is L2, and L1-L2≥0; A contact piece is disposed between the second end and the cover plate, and the contact piece abuts against the cover plate or the housing.

2. The electric control box according to claim 1, characterized in that: The circuit board is provided with a through hole, and the through hole is provided at the second end; The contact piece is provided with an inserting portion and a supporting portion, the inserting portion is installed on the supporting portion, the inserting portion is inserted into the through hole, one side of the supporting portion is supported on the circuit board, and the other side of the supporting portion abuts against the cover plate or the shell.

3. The electric control box according to claim 2, characterized in that: The contact piece is further provided with a clamping portion, which is protruding from the plug-in portion, and the clamping portion and the supporting portion jointly clamp the circuit board.

4. The electric control box according to claim 2, characterized in that: An included angle exists between the plug-in portion and the axial direction of the through hole. An end of the plug-in portion away from the support portion is closer to the axis of the through hole than an end of the plug-in portion close to the support portion.

5. The electric control box according to any one of claims 1 to 4, characterized in that: The housing is provided with a mounting groove surrounding the accommodating cavity; The cover plate is buckled in the installation groove, and the cover plate includes a bottom plate and a side plate. The side plate is arranged perpendicular to the bottom plate, and the side plate abuts against the bottom of the installation groove.

6. The electric control box according to claim 5, characterized in that: The housing is further provided with a first hook, and the side plate is provided with a slot, and the first hook is engaged with the slot.

7. The electric control box according to any one of claims 1 to 4, characterized in that: A limiting portion is protruding from one side of the shell toward the accommodating cavity. The circuit board has a first surface. The limiting portion abuts against the first surface. The circuit board is mounted on the limiting portion.

8. The electric control box according to claim 7, characterized in that: A second hook is protruding from one side of the shell toward the accommodating cavity, the circuit board has a second surface, the first surface and the second surface are arranged opposite to each other, the second hook abuts against the second surface, and the limiting portion and the second hook jointly clamp the circuit board.

9. The electric control box according to any one of claims 1 to 4, characterized in that: The circuit board has a first surface and a second surface disposed opposite to each other, the first surface faces the housing, and the second surface faces the cover plate; The electric control box also includes a dustproof member, which is installed at the second end of the circuit board and extends toward the cover plate. The dustproof member, part of the shell, part of the cover plate, and the second surface of the circuit board together enclose a dustproof cavity.

10. An electrical device, characterized in that: It comprises an air conditioner and an electric control box as described in any one of claims 1 to 9, wherein the electric control box is installed on the air conditioner and is used to control the circuit of the air conditioner.

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