An electrical connection device and an air conditioner having the same

Abstract

The utility model provides a kind of electrical connection device and air conditioner with the electrical connection device, a kind of electrical connection device, it includes terminal, terminal block and mounting plate;Terminal is detachably mounted on mounting plate, one end of terminal is used to connect with first circuit board, the other end of terminal is used to connect with second circuit board;Terminal block is installed on mounting plate at an angle.The utility model forms integrated connection device by setting terminal and terminal block on same mounting plate, and this modularization setting greatly improves maintenance efficiency, reduces maintenance cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioner technical field, concretely relates to an electrical connection device and air conditioner with the electrical connection device. BACKGROUND

[0002] With the increasing importance of renewable energy, photovoltaic air conditioning systems are gradually becoming a popular choice for residential and commercial buildings. This system uses photovoltaic panels to generate electricity to power the building's air conditioning system. However, connecting photovoltaic panels and air conditioning systems often faces some challenges, such as unsafe connection, difficult maintenance, and unstable electrical performance. The existing wiring terminal and wiring board are single and separately connected to the mainboard, which makes it difficult to locate the problem point after sale, and the air conditioner needs to be completely disassembled when disassembled, increasing the difficulty of maintenance. SUMMARY

[0003] The utility model provides an electrical connection device and air conditioner with the electrical connection device, can solve the existing wiring terminal, wiring board is single and separately connected to the mainboard, there is the technical problem of difficult disassembly when maintaining.

[0004] The utility model provides an electrical connection device, it includes wiring terminal, wiring board and mounting plate;

[0005] The wiring terminal is detachably mounted on the mounting plate, one end of the wiring terminal is used for connecting with the first circuit board, the other end of the wiring terminal is used for connecting with the second circuit board, and the wiring board is installed on the mounting plate at an angle.

[0006] In some embodiments, the mounting plate includes a mounting bottom plate and a first side plate, the first side plate is connected perpendicularly to the mounting bottom plate, the wiring terminal is transversely mounted on the first side plate, and the two ends of the wiring terminal respectively extend out of the first side plate.

[0007] In some embodiments, the first side plate is provided with a relief through hole, and the first side plate is also provided with a mounting through hole, the wiring terminal is detachably mounted in the mounting through hole, and part of the outer edge of the mounting through hole is communicated with the relief through hole.

[0008] In some embodiments, the relief through hole is a rectangular hole, and in the height direction of the first side plate, the maximum diameter of the wiring terminal is less than the minimum width of the relief through hole.

[0009] In some embodiments, at least four of the terminal clamps are mounted on the first side plate, and the first side plate is provided with at least four mounting through holes, the four mounting through holes are arranged opposite to the central array of the avoiding through holes, and the outer edges of the four mounting through holes are communicated with the avoiding through holes, and the mounting through holes and the avoiding through holes form X-shaped through holes.

[0010] In some embodiments, the mounting plate further comprises a second side plate, the first side plate and the second side plate are mounted on the first end surface of the mounting base plate, and the second side plate is angularly mounted on the mounting base plate so that the terminal block is angularly mounted on the mounting plate.

[0011] In some embodiments, the second side plate is provided with a flange, the flange is arranged outwardly relative to the first end surface, and the bottom end of the terminal block is connected with the flange.

[0012] In some embodiments, the terminal block is provided with a first fastening through hole, the second side plate is provided with a second fastening through hole, the terminal block is connected with the second side plate through a fastener, the fastener is sequentially connected with the first fastening through hole and the second fastening through hole, the vertical distance from the center of the first fastening through hole to the bottom end of the terminal block is a first distance, the vertical distance from the center of the second fastening through hole to the bottom end of the flange is a second distance, the vertical distance from the center of the second fastening through hole to the top end of the second side plate is a third distance, the length of the first distance is the same as the length of the second distance, and the length of the third distance is greater than the length of the first distance.

[0013] In some embodiments, the first side plate and the mounting base plate are respectively provided with flanges away from the end surface of the first end surface.

[0014] An air conditioner comprises a housing and an electrical connection device, the electrical connection device is the electrical connection device described above, the top of the housing is provided with a fence structure, the inner cavity of the fence structure is a component installation chamber, and the electrical connection device is installed in the component installation chamber.

[0015] The electrical connection device and the air conditioner with the same have the following beneficial effects:

[0016] The utility model discloses a wiring terminal and wiring board are arranged on the same mounting plate to form integrated connecting device, and the modularization setting greatly improves the maintenance efficiency, reduces the maintenance cost, and all electrical connections are concentrated in a position easy to monitor and manage, the integrated setting of wiring terminal and wiring board can reduce the risk of unsafe connection, when the system has a problem, because of the centralized layout of wiring terminal and wiring board, the problem point can be positioned more quickly, thereby improving the efficiency of fault diagnosis. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creative labor.

[0018] Figure 1 It is the schematic diagram of electrical connection device of the utility model embodiment;

[0019] Figure 2 It is the schematic diagram of the flanging of the utility model embodiment;

[0020] Figure 3 It is the schematic diagram of the mounting through hole and the avoiding through hole of the utility model embodiment;

[0021] Figure 4 It is the schematic diagram of air conditioner of the utility model embodiment;

[0022] Figure 5 It is another schematic diagram of the utility model embodiment;

[0023] Drawing: 1-wiring terminal;2-wiring board;201-first fastening through hole;3-mounting plate;301-mounting bottom plate;302-first side plate;303-avoiding through hole;304-mounting through hole;305-second side plate;4-flanging 5-flanging;6-housing. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, without making the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0026] In order to facilitate the description, spatial relative terms such as "on", "above", "upper surface", "upper" and the like can be used to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "on" other devices or structures will be positioned "below" or "under" other devices or structures.

[0027] For reference Figures 1 to 3 As shown in the drawings, according to the embodiments of the present application, an electrical connection device is provided, which comprises: a terminal 1, a terminal 2 and a mounting plate 3; the terminal 1 is detachably mounted on the mounting plate 3, one end of the terminal 1 is used for connecting with a first circuit board, the other end of the terminal 1 is used for connecting with a second circuit board; the terminal 2 is angularly mounted on the mounting plate 3.

[0028] Specifically, the terminal 1 and the terminal 2 are mounted on the same mounting plate 3, the two ends of the terminal 1 are connected with different circuit boards respectively, the terminal 2 is connected to the photovoltaic air conditioner slave or energy storage battery for power supply; if after-sales processing or maintenance is needed, the relevant wire body can be detached, the terminal 1 and the terminal 2 are removed and the corresponding parts are replaced, without the need for large-scale disassembly of the whole air conditioning system.

[0029] In this embodiment, the terminal 1 and the terminal block 2 are arranged on the same mounting plate 3 to form an integrated connection device, and such a modular arrangement greatly improves the maintenance efficiency and reduces the maintenance cost. All electrical connections are concentrated in one place that is easy to monitor and manage. The integrated arrangement of the terminal 1 and the terminal block 2 can reduce the risk of insecure connection. When the system has a problem, the integrated arrangement of the terminal 1 and the terminal block 2 can help to quickly locate the problem, thereby improving the efficiency of fault diagnosis. Moreover, by optimizing the arrangement of the terminal 1 and the terminal block 2, the poor contact and signal interference in the electrical connection can be reduced, thereby improving the electrical performance stability of the system.

[0030] Referring to Figures 1 to 3 As shown, the mounting plate 3 includes a mounting base plate 301 and a first side plate 302, and the first side plate 302 is connected perpendicularly to the mounting base plate 301. The terminal 1 is transversely mounted on the first side plate 302, and the two ends of the terminal 1 extend out of the first side plate 302.

[0031] In this embodiment, by connecting the first side plate 302 perpendicularly to the mounting base plate 301, a solid frame structure is formed, which helps to improve the stability and durability of the entire electrical connection device. The terminal 1 is transversely mounted on the first side plate 302, which can effectively utilize the space and make the electrical connection device more compact, suitable for installation in limited space. The two ends of the terminal 1 extend out of the first side plate 302, which makes the connection and disconnection operation of the terminal 1 more convenient, and also facilitates the maintenance personnel to check and maintain the terminal 1. Moreover, the transverse installation and extension of the terminal 1 out of the side plate make it easier to identify each terminal 1, which facilitates the operator to quickly find the terminal 1 to be operated.

[0032] Referring to Figures 1 to 3 As shown, the first side plate 302 is provided with a relief hole 303, and the first side plate 302 is also provided with a mounting hole 304. The terminal 1 is detachably mounted in the mounting hole 304, and part of the outer edge of the mounting hole 304 is in communication with the relief hole 303.

[0033] Specifically, the terminal 1 is mounted in the mounting hole 304, and the two sides of the terminal 1 extend out of the first side plate 302. Only part of the outer edge of the mounting hole 304 is in communication with the relief hole 303, which can not only realize the installation of the terminal 1, but also realize the loosening of the terminal 1 when it needs to be disassembled, so as to fully utilize the space of the relief hole 303 for after-sales maintenance.

[0034] In the embodiment, the terminal 1 is detachably installed in the mounting hole 304, when after-sales processing or maintenance is needed, the terminal 1 can be directly loosened, and the space of the avoiding hole 303 is utilized for operation, without the need for large-scale disassembly of the entire electrical system, greatly simplifying the maintenance process. Through the setting of the partial outer edge in communication with the avoiding hole 303, the terminal 1 can be quickly disassembled and replaced as needed, making the entire electrical connection device more flexible and expandable. And when the device has a problem, due to the protruding setting and detachability of the terminal 1, the problem point can be located faster, thereby improving the efficiency of fault diagnosis.

[0035] For reference Figures 1 to 3 As shown, the avoiding hole 303 is a rectangular hole, and in the height direction of the first side plate 302, the maximum diameter of the terminal 1 is smaller than the minimum width of the avoiding hole 303.

[0036] In the embodiment, since the maximum diameter of the terminal 1 is smaller than the minimum width of the avoiding hole 303, it is ensured that the terminal 1 can be smoothly disassembled and replaced through the avoiding hole 303, and will not be hindered during disassembly. When maintenance or replacement of the terminal 1 is needed, the space advantage of the avoiding hole 303 can be utilized to quickly loosen and remove the terminal 1, thereby improving the efficiency of maintenance work.

[0037] As a specific implementation, the minimum width of the avoiding hole 303 is 21mm, and the maximum diameter of the terminal 1 is 18mm, which can meet the needs of directly disassembling the photovoltaic butt terminal without the need for large-scale disassembly of the electrical wiring.

[0038] For reference Figures 1 to 3 As shown, the first side plate 302 is provided with at least four terminals 1, and the first side plate 302 is provided with at least four mounting holes 304, the four mounting holes 304 are arranged in an array relative to the center of the avoiding hole 303, and the partial outer edges of the four mounting holes 304 are all in communication with the avoiding hole 303, forming an X-shaped via between the mounting hole 304 and the avoiding hole 303.

[0039] Specifically, according to the wiring requirements of the air conditioning system, the embodiment is provided with four terminals 1, and the four mounting holes 304 are all in communication with the avoiding hole 303, that is, even if multiple terminals 1 are provided, they can still be easily disassembled. Even if multiple terminals 1 are provided, this setting still facilitates disassembly, and when maintenance or replacement of the terminal 1 is needed, the space advantage of the avoiding hole 303 can be utilized to quickly loosen and remove the terminal 1, thereby improving the efficiency of maintenance work

[0040] In the embodiment, the X-shaped via can provide convenience when after-sales maintenance is needed at the position after the prototype installation is completed by pre-installing the photovoltaic terminal 1. The X-shaped via can be formed by arraying four mounting through holes 304 on the first side plate 302 and communicating with the avoidance through hole 303, which can effectively utilize the space and enable the multiple terminal 1 to be compactly installed on the side plate, thereby improving the overall space utilization.

[0041] For reference Figures 1 to 3 As shown, the mounting plate 3 further comprises a second side plate 305, the first side plate 302 and the second side plate 305 are installed on the first end surface of the mounting bottom plate 301, and the second side plate 305 is installed at an angle on the mounting bottom plate 301 so that the terminal plate 2 is installed at an angle on the mounting plate 3.

[0042] Specifically, the first side plate 302 is perpendicular to the mounting bottom plate 301. This arrangement is also considered in view of the wiring requirements of the terminal 1. The terminal plate 2 is a whole plate structure, and when disassembled, there is a certain inclination angle between the terminal plate 2 and the mounting plate 3, which is more convenient for disassembly. The end surface of the mounting plate 3 and the first end surface of the mounting bottom plate 301 have an included angle, preferably an included angle of 0-90°.

[0043] In the embodiment, the angled second side plate 305 is arranged so that an inclination angle is formed between the terminal plate 2 and the mounting plate 3. Such an arrangement facilitates the disassembly and installation of the terminal plate 2, especially in the case of limited space, the terminal plate 2 can be more easily operated. This arrangement can optimize the space layout, make the layout of the terminal plate 2 and the terminal 1 more reasonable, reduce the space occupation, and improve the space utilization of the overall device. The arrangement of the first side plate 302 perpendicular to the mounting bottom plate 301 and the second side plate 305 at an angle can enhance the structural stability of the entire mounting plate 3, especially when subjected to external force. Such a structural arrangement can better disperse the force and reduce the risk of damage. Moreover, the inclined installation of the terminal plate 2 helps to reduce electrical interference, as it can reduce direct contact between different circuits, thereby reducing the risk of electromagnetic interference.

[0044] As a specific implementation, the mounting bottom plate 301, the first side plate 302 and the second side plate 305 are numerically controlled, and an integrated structure is arranged to be fixed with the rear side plate of the photovoltaic air conditioner and the inductor seat. This fixing method not only improves the reliability of the structure, but also ensures the stability and safety of the connection device during use. The mounting plate 3 is fixed with the rear side plate of the air conditioner and the inductor seat by screws. Specifically, the mounting plate 3 is fixed with the rear side plate of the air conditioner and the inductor seat by four fixing points, which are respectively located at the four corners of the mounting plate 3. This multi-point fixing method not only improves the stability of the structure, but also ensures the reliability and safety of the connection device during long-term use.

[0045] Referring to Figures 1 to 3 As shown in the figure, the second side plate 305 is provided with a flange 4, which is outwardly folded relative to the first end face, and the bottom end of the terminal block 2 is connected with the flange 4.

[0046] Specifically, the first end face, i.e. the end face on which the first side plate 302 and the second side plate 305 are mounted, since the terminals at both ends of the terminal block 2 are the same, if the terminal block 2 is installed reversely, wiring errors may occur, resulting in that the prototype cannot be normally started or electrical safety hazards occur. Therefore, considering the distance between the terminal block 2 and the flange 4, the bottom end of the terminal block 2 is connected with the flange 4, which can prevent the terminal block 2 from being installed reversely to a certain extent. If the terminal block 2 is installed reversely, the top end of the terminal block 2 cannot be connected with the flange 4.

[0047] In the embodiment, the provision of the flange 4 provides a clear assembly reference point for the terminal block 2, and the flange 4 plays a role of preventing mistakes, so that the assembly personnel can more easily identify the correct installation direction, improving the accuracy and efficiency of assembly. Moreover, the connection of the flange 4 with the bottom end of the terminal block 2 can enhance the structural stability of the entire electrical connection device, especially when external forces or vibrations are applied, this connection mode can reduce the displacement or falling of the terminal block 2. By ensuring that the bottom end of the terminal block 2 is connected with the flange 4, the terminal block 2 can be effectively prevented from being installed reversely, and if the terminal block 2 is installed reversely, the top end thereof cannot be connected with the flange 4, thereby avoiding wiring errors caused by reverse installation. The correct installation direction of the terminal block 2 is crucial to ensure electrical safety, and this setting can prevent the prototype from being unable to start normally or electrical safety hazards caused by wiring errors, improving the safety of the entire system. This setting not only improves the reliability of the connection, but also reduces the possibility of misoperation, ensuring the safe operation of the system.

[0048] Referring to Figures 1 to 3 As shown in the figure, the terminal block 2 is provided with a first fastening hole 201, and the second side plate 305 is provided with a second fastening hole. The terminal block 2 is connected with the second side plate 305 through a fastener, the fastener is connected with the first fastening hole 201 and the second fastening hole in sequence, and the fastener is a bolt. The vertical distance from the center of the first fastening hole 201 to the bottom end of the terminal block 2 is a first distance, the vertical distance from the center of the second fastening hole to the bottom end of the flange 4 is a second distance, and the vertical distance from the center of the second fastening hole to the top end of the second side plate 305 is a third distance. The length of the first distance is the same as the length of the second distance, and the length of the third distance is smaller than the length of the first distance or greater than the length of the first distance.

[0049] Specifically, the present embodiment considers that the terminal block 2 is mounted on the second side plate 305 by fasteners, and the terminal block 2 and the second side plate 305 are both provided with relevant through hole structures. According to the settings of the first fastening through hole 201 and the second fastening through hole, a reference can be provided. According to the different distances from the two ends of the terminal block 2 to the turned edge 4 and the top end of the second side plate 305, it is preferred that the length of the third distance is greater than the length of the first distance to determine whether the terminal block 2 is installed reversely. If it is installed reversely, the terminal block 2 will be clamped at the turned edge 4 due to the longer length of the third distance, so that it can be quickly determined during the installation of the terminal block 2.

[0050] In the present embodiment, by setting the first fastening through hole 201 and the second fastening through hole, the connection of the terminal block 2 and the second side plate 305 has directionality. If the terminal block 2 is installed reversely, the terminal block 2 will not be correctly installed or clamped at the turned edge 4 due to the different lengths of the third distance and the first distance, so that it can be quickly determined whether the terminal block 2 is installed reversely. The settings of the first fastening through hole 201 and the second fastening through hole provide an accurate reference point for the installation of the terminal block 2, ensuring that the terminal block 2 can be correctly aligned and fixed on the second side plate 305. The terminal block 2 is connected with the second side plate 305 by fasteners, enhancing the structural stability of the entire electrical connection device, reducing displacement or falling caused by vibration or external force, and installation personnel can quickly determine whether the terminal block 2 is installed reversely by observing the relative position of the terminal block 2 and the turned edge 4. This intuitive feedback mechanism reduces the possibility of installation errors, so that the assembly personnel can quickly determine whether the terminal block 2 is correctly installed without additional inspection steps, improving the efficiency of assembly.

[0051] As a specific embodiment, the length of the first distance is the same as the length of the second distance, both being 17 mm, and the length of the third distance is 20 mm.

[0052] For reference Figures 1 to 3 As shown in Figs. 1 and 2, the end face of the first side plate 302 and the mounting bottom plate 301 away from the first end face is respectively provided with a folded edge 5.

[0053] In the present embodiment, considering the progress around the mounting plate 3 during disassembly work, the folded edge 5 can serve as a physical barrier. The purpose of the folded edge 5 is to prevent cutting and prevent personnel from being cut during operation. The folded edge 5 can increase the strength of the plate and reduce deformation or damage of the plate caused by external force, thereby improving the durability of the entire mounting plate 3.

[0054] An air conditioner, for reference Figure 4 and Figure 5 It comprises a shell 6 and an electrical connection device, characterized in that the electrical connection device is the above-mentioned electrical connection device, and the top of the shell 6 is provided with a fence structure. The inner cavity of the fence structure is a component installation chamber, and the electrical connection device is installed in the component installation chamber.

[0055] Specifically, compared with the conventional arrangement of components in the shell 6, the embodiment adds a fence structure on the shell 6 to form a chamber specially for installing components. The wiring terminal 1 and the wiring board 2 of the electrical connection device in the embodiment are arranged in a detachable manner, which facilitates the user to perform after-sales maintenance and maintenance when needed. For example, when the connection terminal or the wiring board 2 fails, the user can easily remove and replace the corresponding components without the need to disassemble the entire air conditioning system. This modular arrangement greatly improves the maintenance efficiency and reduces the maintenance cost

[0056] As a specific embodiment, the air conditioner is a photovoltaic air conditioning system, and the electrical connection device includes four terminals on the left side and an alternating current wiring board 2 on the right side. The four wiring terminals 1 on the left side are used to connect the solar cell panel and receive direct current power from the solar cell panel. The other end is connected to the photovoltaic controller mainboard for filtering, voltage boosting, etc. The alternating current wiring board 2 on the right side is used to supply power to the photovoltaic air conditioner slave or energy storage battery. This arrangement not only realizes the effective utilization of solar energy, but also ensures the reliability and safety of the system. The application of the electrical connection device in the photovoltaic air conditioning system and the energy storage system has important significance. Its modular arrangement, high reliability and safety not only improve the stability and safety of the system, but also reduce the maintenance cost and improve the user experience. Moreover, the connection device is suitable for different specifications of photovoltaic cell panels and has good applicability.

[0057] It is easy for those skilled in the art to understand that the above advantageous modes can be freely combined and superimposed without conflict.

[0058] The above is only a preferred embodiment of the present application and does not limit the present application. Any modification, equivalent replacement and improvement within the spirit and principles of the present application shall be included in the protection scope of the present application. The above is only a preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, which should be considered as the protection scope of the present application.

Claims

1. An electrical connection device, characterized in that The utility model relates to a kind of terminal block, wiring board and mounting plate, including: Terminal (1), wiring board (2) and mounting plate (3); The terminal (1) is detachably mounted on the mounting plate (3), one end of the terminal (1) is used to connect with the first circuit board, the other end of the terminal (1) is used to connect with the second circuit board;The wiring board (2) is angularly mounted on the mounting plate (3).

2. The electrical connection device of claim 1, wherein, The mounting plate (3) includes mounting bottom plate (301) and first side plate (302), the first side plate (302) is connected perpendicularly with the mounting bottom plate (301), the terminal (1) is transversely mounted on the first side plate (302), and the first side plate (302) extends out respectively at both ends of the terminal (1).

3. An electrical connection device according to claim 2, characterised in that, The first side plate (302) is provided with a relief through hole (303), and the first side plate (302) is also provided with a mounting through hole (304), the terminal (1) is detachably mounted in the mounting through hole (304), and the outer edge of the mounting through hole (304) is communicated with the relief through hole (303).

4. An electrical connection device according to claim 3, characterised in that The relief through hole (303) is a rectangular hole, and the maximum diameter of the terminal (1) is less than the minimum width of the relief through hole (303) in the height direction of the first side plate (302).

5. The electrical connection device of claim 3, wherein, The first side plate (302) is provided with at least four terminals (1), and the first side plate (302) is provided with at least four mounting through holes (304), the four mounting through holes (304) are arranged in an array relative to the center of the relief through hole (303), and the outer edge of the four mounting through holes (304) is communicated with the relief through hole (303), and the mounting through hole (304) and the relief through hole (303) form an X-shaped via hole.

6. The electrical connection device of claim 2, wherein, The mounting plate (3) further includes a second side plate (305), the first side plate (302) and the second side plate (305) are mounted on the first end surface of the mounting bottom plate (301), and the second side plate (305) is angularly mounted on the mounting bottom plate (301) so that the wiring board (2) is angularly mounted on the mounting plate (3).

7. An electrical connection device according to claim 6, characterised in that The second side plate (305) is provided with a flange (4), the flange (4) is outwardly provided relative to the first end surface, and the bottom end of the wiring board (2) is connected with the flange (4).

8. The electrical connection device of claim 7, wherein, The wiring board (2) is provided with a first fastening through hole (201), the second side plate (305) is provided with a second fastening through hole, the wiring board (2) is connected with the second side plate (305) through a fastener, the fastener is connected with the first fastening through hole (201) and the second fastening through hole in turn, the vertical distance from the center of the first fastening through hole (201) to the bottom end of the wiring board (2) is a first distance, the vertical distance from the center of the second fastening through hole to the bottom end of the turn-up (4) is a second distance, the vertical distance from the center of the second fastening through hole to the top end of the second side plate (305) is a third distance, the length of the first distance is the same as the length of the second distance, and the length of the third distance is greater than the length of the first distance.

9. The electrical connection device of claim 6, wherein, The first side plate (302) and the mounting bottom plate (301) are respectively provided with a folding edge (5) away from the end face of the first end face.

10. An air conditioner comprising a housing (6) and an electrical connection device, characterized in that The electrical connection device is the electrical connection device according to any one of claims 1 to 9, a top of the shell (6) is provided with a fence structure, an inner cavity of the fence structure is a component installation cavity, and the electrical connection device is installed in the component installation cavity.

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