CN216592153U - Electrical box assembly and air conditioner - Google Patents

Abstract

The utility model belongs to the technical field of household appliances, and particularly discloses an electric box assembly and an air conditioner, wherein the electric box assembly comprises: the electrical appliance box comprises an electrical appliance box shell and a cover, wherein the electrical appliance box shell comprises a box body and an end cover, a hollow cavity is formed in the box body, the end cover is in waterproof fit with the box body, a PCB is arranged in the cavity, and the box body is provided with a light transmission part which is used for displaying information of a communication port circuit arranged at the bottom of the PCB; the bottom of the PCB is provided with a dial switch and a key, and the light-transmitting part is used for directly operating the dial switch and performing combined operation of the key and the dial switch under the condition that a motor is not detached. The utility model has the advantages of providing the electric appliance box shell with the end cover with good sealing performance and convenient assembly and disassembly, being convenient to set an address, being convenient to observe the running state of the motor and being capable of locally controlling the running of the motor.

Description

An electrical box assembly and an air conditioner

technical field

The utility model relates to the technical field of household appliances, in particular to an electrical box assembly and an air conditioner.

Background technique

At present, electrical boxes can be widely used as a part of the motors in household appliances such as air conditioners to control the work of the motors. First lock it into the aluminum box by screws and then pour the sealant to seal it. However, if you need to set the address of the controller, you need to clean the sealant in the electrical box and unscrew the screw to set the controller. For the staff who implement these steps, it will undoubtedly increase the operational complexity and The difficulty of operation is increased, and the removal of the controller from the electrical box will not only easily damage the hardware of the controller, but also increase the manufacturing cost of the motor controlled by the controller and including the electrical box; in addition, the existing The specific way of setting the address is also complicated, and needs to operate multiple single buttons. In addition, after the controller is put into the electrical box, sealant is used to make the controller completely sealed in the electrical box. When the motor is abnormal, it is impossible to observe and detect the running state of the controller, which is not conducive to the monitoring of the motor. For optimization, in addition, the controller that controls the existing motor needs to receive control from the upper computer. When the upper computer is lacking, the motor cannot run by itself.

Utility model content

Based on this, in view of the prior art, the technical problem to be solved by the present invention is to provide an electrical box housing with an end cover with good sealing performance and convenient assembly and disassembly, which can conveniently set the address, facilitate the observation of the running state of the motor, Operates electrical box components and air conditioners for local control.

To achieve the above object, the technical scheme used by the present invention is as follows:

On the one hand, the utility model provides an electrical box, which includes: an electrical box shell, which includes a box body and an end cover that is waterproofly matched with the box body, a hollow cavity is formed inside the box body, and a cavity is provided for connecting with the box body. For the PCB board electrically connected to the motor, the end cover is detachably placed on the opening of the cavity to seal the PCB board, the box body is provided with a light-transmitting part composed of through holes; the bottom of the PCB board is provided with a communication port circuit, and the light-transmitting part It is used to display the information of the communication port circuit; there is a DIP switch at the bottom of the PCB board, and the light-transmitting part can directly operate the DIP switch without disassembling the motor; there are buttons at the bottom of the PCB board, so that the motor can be controlled by the host computer in the absence of the motor. When controlling, the light-transmitting part is used for the combined operation of the key and the DIP switch, and the local operation mode is carried out, and the driving operation is directly carried out.

Further optionally, a ring of grooves is provided on the box body, the electrical box assembly further includes a sealing ring arranged in the groove, and a plurality of first buckles are provided on the inner peripheral wall of the light-transmitting part; the end cover includes a The protruding post is used for being inserted into the light-transmitting part. The outer peripheral wall of the protruding post is provided with a plurality of second snaps corresponding to the plurality of first snaps which can be detachably fastened.

Further optionally, the end cover further includes a flange surrounding the outer circumference of the protruding column, the end cover rotates in the buckling direction relative to the light-transmitting portion, so that the first buckle and the second buckle are buckled, and the end cover is opposite to the light-transmitting portion. The first buckle and the second buckle are separated by rotating the part in the separation direction.

Further optionally, the first buckle and the second buckle are set to four, and each first buckle is set as a protrusion arranged at equal intervals along the same circumference of the inner peripheral wall, and the end of the outer peripheral wall away from the flange is provided. There are four gaps for a protrusion to enter, and a second buckle and a stopper are provided on the outer peripheral wall at equal intervals along the buckling direction away from each gap, and each second buckle is set as The arc-shaped protrusions, and the height of each arc-shaped protrusion relative to the flange gradually increases along the locking rotation direction, and each arc-shaped protrusion slides along each corresponding protrusion until the protrusion and the stop block abut, and the flange The outer peripheries of the light-transmitting parts are abutted so that the sealing ring is elastically deformed and compressed in the groove.

Further optionally, the button includes a needle seat and an indicator light, the PCB board includes a communication interface module, the needle seat indicator lights are all electrically connected with the communication interface module, and the communication interface module receives the information transmitted by the external component inserted on the needle seat to control the control. The controller updates the program, and the communication interface module obtains the running state information of the motor operation, and the indicator lights perform corresponding different indication outputs according to different running state information.

Further optionally, the indication output is the number of flashes of the indicator light, and the running status information includes the rotational speed, power, current or/and voltage of the motor.

Further optionally, the DIP switch includes a first switch and a second switch that both have an ON state and an OFF state, the PCB board includes an address encoding module electrically connected with the DIP switch, and the address encoding module is determined according to the switch information of the DIP switch. The address of the controller is determined by toggling the first switch and the second switch to obtain different switch state combinations to determine that the controller has different addresses.

Optionally, the PCB board further includes a local control module, the local control module is electrically connected to the key and the address coding module, and the local control module directly controls the operation of the motor according to the local operation information received from the key and the address coding module.

Further optionally, the keys include a first key and a second key, the first key, the second key, the first switch and the second switch are jointly operated to determine the local operation information for the local control module to receive, the first switch and the first switch are operated together. The different switch state combinations of the two switches are used to determine the rotation, speed or/and power of the motor, and the first button and the second button are respectively used to determine the increase and decrease of the motor speed or to determine the start and pause of the motor.

On the other hand, the present invention provides an air conditioner, which includes a motor and any one of the above electrical box components, and the motor is electrically connected to the controller.

Compared with the prior art, since the box body of the electrical box assembly and the electrical box housing of the air conditioner of the present invention is provided with a light-transmitting part formed by a through hole sealed by an openable end cover, an effective maintenance is obtained. The overall waterproof and dustproof grade of the motor does not affect the service life of the motor and enhances the beneficial effect of the reliability of the motor. Therefore, while ensuring good sealing and no need to disassemble the motor or electrical box to take out the controller, only the It is necessary to open the end cover to open the light-transmitting part, and at least one of the following beneficial effects can also be obtained:

1. It is convenient to set the address of the controller, and the DIP switch at the bottom of the PCB can be adjusted directly and conveniently to set without disassembling the motor.

2. The needle seat reserved at the bottom of the PCB board can easily read the status information of the motor when it is running or faulty, and the current running status or fault status of the motor can be easily seen through the indication of the indicator light.

3. When the motor lacks the control of the host computer, the local operation mode can be directly driven by the buttons designed at the bottom of the PCB board to directly drive the motor.

Description of drawings

In order to make the content of the present utility model easier to be understood clearly, the present utility model will be described in further detail below according to the specific embodiments of the present utility model and in conjunction with the accompanying drawings, but the exemplary embodiments of the present utility model and the description thereof are used for the purpose of In explaining the present utility model, it does not constitute an improper limitation to the present utility model, wherein:

1 is a cross-sectional view of a box body of an electrical box assembly of the present invention;

Fig. 2 is the front view of the sealing ring of the utility model electrical box assembly;

3 is a front view of the end cover of the electrical box assembly of the present invention;

FIG. 4 is a top view of the end cover and the box body of the electrical box assembly of the present invention being fastened together.

Fig. 5 is the front view of the needle seat and indicator light of the electric box assembly of the utility model;

6 is a front view of the DIP switch and the control key of the electrical box assembly of the present invention;

7 is a top view of the PCB board of the electrical box assembly of the present invention;

8 is a schematic diagram of the open state of the end cover of the electrical box assembly of the present invention;

The reference numbers in the figure are indicated as:

1-box body; 11-transparent part; 12-groove; 13-first buckle; 2-sealing ring; 3-end cover; 31-post; 32-flange; 33-second buckle; 34-notch; 35-stop; 4-PCB board; 41-pin seat; 42-indicator; 43-dip switch; 431-first switch; 432-second switch; 44-control key; 441- The first control key; 442 - the second control key.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application or uses in any way. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIGS. 1 to 8 , as an objective of the present invention, an embodiment of the present invention provides an electrical box assembly, the electrical box assembly includes an electrical box housing, which includes a box body 1 and is waterproof with the box body 1 The matching end cover 3, the box body is a thin shell type, a hollow cavity is formed inside the box body 1, and the cavity is provided with a PCB board 4 for electrical connection with the motor. It can be understood that the motor includes a motor body and an electrical appliance. The box assembly, the electrical box assembly can be arranged on the motor, and the motor of the motor body is electrically connected to the PCB board 4, so that the PCB board 4 controls the winding power-on logic in the motor to make the motor run according to predetermined parameters and the PCB board 4 can also Obtain the running state information of the motor, and the motor can be applied to different occasions according to actual needs. The end cover 3 is detachably covered on the opening of the cavity to seal the PCB board 4 therein. The box body 1 is provided with a light-transmitting part 11 composed of a through hole. It should be noted that the above-mentioned openings, through-holes and the light-transmitting part can substantially refer to the same component. A certain thickness, that is to say, the through hole constituting the light-transmitting part 11 has a certain hole depth and diameter, so as to ensure that the convex column 31, the communication port circuit, the DIP switch and the button can be accommodated, and can be manipulated or inserted by hand. External components (will be further described below), the bottom of the PCB board 4 is provided with a communication port circuit, the light-transmitting part 11 is used to display the information of the communication port circuit, the bottom of the PCB board 4 is provided with a DIP switch, and the light-transmitting part 11 is used for When the motor is removed, the DIP switch 43 can be directly operated. The bottom of the PCB board 4 is provided with a button 44, so that when there is no host computer to control the motor, the light-transmitting part 11 is used for the combination of the button 44 and the DIP switch 43 to operate in the local operation mode and directly drive operation. Therefore, since the light-transmitting portion 11 of the box body 1 is sealed by the detachable waterproof cover of the end cap 3, the light-transmitting portion 11 can be sealed and opened by installing and dismounting the end cap 3. It avoids the unfavorable situation of complicated disassembly and assembly and easy hardware damage caused by the use of sealant sealing in the existing electrical box, and also because the communication port circuit on the PCB board 4, Both the DIP switch 43 and the button 44 can be observed or/and operated through the light-transmitting part 11 , so that the user can conveniently set the desired address without removing the end cover 1 relative to the box body. Observing the running state of the motor and being able to locally control the running of the motor.

1 and 3, specifically, a circle of grooves 12 is provided on the box body 1, and the circle of grooves 12 is arranged on the end face of the box body 1 away from the PCB board 4 relative to the light-transmitting portion 11, for example Preferably, a circular groove 12 is arranged on the circumference of the box body 1 around the light-transmitting portion 11, and the size of the circular groove 12 is set to: diameter: 2mm and depth: 2mm, and the electrical box assembly also includes an arrangement. For the sealing ring 2 in the groove 12, the sealing ring 2 adopts a waterproof rubber ring and the diameter is set to: 39mm, and the diameter of the above-mentioned light-transmitting part 11 is set to: 36 mm, so that the sealing ring 2 is assembled in the groove 12 in a compressed manner. . A plurality of first buckles 13 are arranged on the inner peripheral wall of the light-transmitting portion 11 , the end cover 3 includes a protruding post 31 for being inserted into the light-transmitting portion 11 , and a plurality of first snaps 13 are arranged on the outer peripheral wall of the protruding post 31 Corresponding to the plurality of first buckles 13, the second buckles 33 can be detachably buckled. Therefore, the end cover 3 can be easily buckled and separated from the box body by means of buckles, so as to ensure excellent waterproof performance at the same time. , to facilitate the corresponding observation and operation through the light-transmitting part.

1 and 3 , specifically, the end cap 3 further includes a flange 32 surrounding the outer circumference of the protruding column 31 , and the end cap 3 rotates relative to the light-transmitting portion 11 in the buckling direction to make the first buckle 13 and the second buckle 13 The buckles 33 are fastened together, and the end cover 3 rotates relative to the light-transmitting portion 11 in the separation direction to separate the first buckles 13 and the second buckles 33 . A handle part that is easy to rotate is provided on the upper part, so that the end cover can be opened or closed through the rotation direction, and the operation is convenient and quick.

Preferably, the number of the first snaps 13 and the second snaps 33 is four, that is, the end cover 3 realizes a snap connection in each 90° area of the 360° quadrant of the circumference of the light-transmitting portion 11 . And compress the sealing ring 2, so as to ensure that the end cover 3 is sealed and fixed with the light-transmitting part 11 at an equal angle, so as to ensure that the electrical box has excellent sealing performance. The size of the cuboid of each protruding block can be set as: length*width*height=8mm*1.5mm*1.5mm, and four notches 34 are provided at the end of the outer peripheral wall away from the flange 32 for a protruding block to enter, respectively. A second buckle 33 and a stopper 35 are provided on the outer peripheral wall at equal intervals along the buckling direction away from each of the notches 34, and four are arranged on the outer peripheral wall, and each second buckle 33 is set as Arranged at equal intervals along the same circumference of the outer peripheral wall, each second buckle 33 is set as an arc-shaped protrusion, and the height of each arc-shaped protrusion relative to the flange 32 gradually increases along the locking rotation direction. Once the corresponding protrusion is slid until the protrusion abuts against the stop block 35 , the flange 32 abuts the outer circumference of the light-transmitting portion 11 , so that the sealing ring 2 is elastically deformed and compressed in the groove 12 , so that the anti-sealing ring 2 The volume is compressed by about 25%, so that the groove 12 , the end cap 3 and the sealing ring 2 are tightly closed. Therefore, when the end cover 3 is tightened by the user in the snap-fit rotation direction, each protrusion correspondingly guides each arc-shaped protrusion to rotate and slide in the radial direction of the light-transmitting portion 11 and also move toward the box body in the axial direction. , so that enough axial force is applied to make the flange 32 and the sealing ring 2 closely contact to achieve a good waterproof and dustproof sealing effect, which can ensure that the motor meets the dustproof and waterproof capability of IP67.

5 and 8, preferably, the communication port circuit includes a needle seat 41 and an indicator light 42, the needle seat 41 is a kind of external terminal, and the external terminal includes a needle seat 41, a connection terminal, etc. and the specific function is to realize the program Communication programming into the processor means communication download and other functions. The PCB board 4 includes a communication interface module. It should be understood that the communication interface module and the following modules are all arranged on the PCB board 4, for example, on processors such as main control chips CPU, PLC, and single-chip microcomputers, so as to realize corresponding communication, control, etc. Function, for example, for the communication interface module, it has a communication port circuit and belongs to the peripheral hardware circuit of the motor. The communication port circuit can complete specific hardware functions, and can realize program communication burning into the processor on the PCB board 4, the needle seat 41 is electrically connected with the communication interface module, and the communication interface module receives the information transmitted by the external component inserted on the needle seat 41 to update the program of the controller. The external component can be a laptop computer, a U disk, etc. The external component connected with the light-transmitting part 11 and the needle seat 41 communicates with the communication interface module, which can update the program of the controller and read the data of the running state information such as the speed, power, current, and voltage of the motor. The indicator light 42 is electrically connected with the communication interface module, and the communication interface module obtains the running state information of the motor operation, and the indicator light 42 performs corresponding different indication outputs according to different operating state information. The indication output methods such as , always on or flashing can be used according to the needs. Therefore, for example, when the motor fails, there is no need to disassemble the entire motor or electrical box. Just open the end cover 3 to visually observe the indicator light 42. It is convenient and quick to find the specific situation of the fault corresponding to the working state.

Specifically, the indicated output is the number of flashes of the indicator light 42, and the operating state information includes the rotational speed, power, current or/and voltage of the motor. Generally speaking, the operating state of the motor is defined by the program and realized with the hardware circuit, The program to control the running state of the motor is programmed and downloaded into the main control chip of the motor through the needle seat 41, which can also be called an external terminal. The communication interface module can judge the fault condition of the motor and control the flashing of the indicator light 42 according to the operating status information. In this embodiment, the indicator light 42 indicates the fault status of the motor by the flashing state. For example, the flashing times of the indicator light 42 The corresponding relationship with the fault state is set as follows: 1: Indicator light 42 flashes twice: DC bus overvoltage (over 400V) protection; 2: Indicator light 42 flashes three times: DC bus undervoltage (below 170V) protection, 3: The indicator light 42 flashes 4 times: three-phase overcurrent protection, 4: the indicator light 42 flashes 5 times: power protection, 5: the indicator light 42 flashes 6 times: phase loss protection, 6: the indicator light 42 flashes 7 times: FO hardware over Current protection, 7: indicator light 42 flashes 8 times: bias voltage error protection, 8: indicator light 42 flashes 9 times: stall protection, 9: indicator light 42 flashes 10 times: out-of-step protection, 10: indicator light 42 continues Blinking means innumerable times: the input frequency signal is out of range; therefore, the user can easily understand the running state of the motor by observing the blinking state of the indicator light 42. What is even better is that the end cover 3 is made of transparent material, so there is no need to open the end cover 3 The working state of the indicator light 42 can be observed, which is more convenient and quicker.

6 and 8, preferably, the DIP switch 43 includes a first switch 431 and a second switch 432 each having an ON state and an OFF state, and the PCB board 4 includes an address coding module electrically connected to the DIP switch 43, The address coding module determines the address of the controller according to the switch information of the DIP switch 43. The address of the controller is the address of the controller after the PCB board 4 is installed into the housing of the electrical box. At this time, the address of the electrical box assembly is the address of the controller. When a single electrical box component is not assembled with the PCB board 4, the electrical box component belongs to a hardware structure and does not have a communication function, that is, it does not have a communication address, and the address of the controller can be used to match the corresponding mode for communication. It is determined that the controller has different addresses by toggling the first switch 431 and the second switch 432 to obtain different switch state combinations. In this embodiment, two indicator lights 42 are used to set four different switch state combinations. Four different addresses, for example, the corresponding relationship between the different switch state combinations of the two DIP switches 43 and the specific addresses set are as follows: 1: When the first switch 431 and the second switch 432 are both in the OFF position, the controller Set to address 1; 2: When the first switch 431 is ON and the second switch 432 is OFF, the controller is set to address 2; 3: When the first switch 431 is OFF and the second switch 432 is ON, the controller controls The controller is set to address 3; when the first switch 431 and the second switch 432 are both ON, the controller is set to address 4. Therefore, when it is necessary to set the address of the controller, it is not necessary to disassemble the entire motor or electrical box, just open the end cover 3 to set the address by operating the DIP switch 43, which greatly reduces the complexity of the operation and the operation. Difficulty, and the use of the DIP switch 43 not only reduces the number of use but also is relatively simple and quick to set up.

6 and 8, the PCB board 4 also includes a local control module, the local control module is electrically connected with the key 44 and the address coding module, and the local control module is based on the received local operation information from the key 44 and the address coding module. Directly control the operation of the motor, specifically, the combined control of the button 44 and the DIP switch 43 can be realized by the processor on the PCB board 4, so that the local operation mode of the motor can be realized. When the motor cannot run by itself, there is no need to disassemble the entire motor or electrical box, just open the end cover 3 and then operate the button 44 to directly drive the motor to run in the local operation mode to ensure the normal operation of the motor.

7 and 8, specifically, the control key 44 includes a first key 441 and a second key 442, the first key 441, the second key 442, the first switch 431 and the second switch 432 are jointly operated to determine the local The operation information is received by the local control module. The different switch states of the first switch 431 and the second switch 432 are used to determine the rotation, speed or/and power of the motor. The first button 441 and the second button 442 are used to determine the motor. The increase and decrease of the speed of the electric motor are respectively used to determine the start and pause of the motor. Therefore, on the basis that the above-mentioned first switch 431 and second switch 432 play the role of setting the address of the electrical box, the two switches can also be combined with the two buttons. The joint action achieves the control of the local running state of the motor. In this embodiment, four different operation combinations of each switch and each button can control four different local running states of the motor. For example, each DIP switch 43 and each The corresponding relationship between the different operation combinations of the buttons and the four different local operating states is as follows: 1: When the first switch 431 is ON and the second switch 432 is OFF, the motor is in forward rotation mode, the first button controls acceleration, and the second button controls Deceleration; 2: When the first switch 431 is OFF and the second switch 432 is ON, the motor is in reverse mode, the first button controls acceleration, and the second button controls deceleration; 3: The first switch 431 and the second switch 432 are simultaneously in When ON, the motor is running at the maximum speed (that is, the maximum speed allowed by the system is 1500rpm), the first button controls the start, and the second button controls the pause; 4: When the first switch 431 and the second switch 432 are both OFF, the motor is running at the maximum power (That is, the maximum power allowed by the system is 1500W), the No. 1 button controls the start, and the No. 2 button controls the pause.

As another object of the present utility model, another embodiment of the present utility model provides an air conditioner, the air conditioner includes a motor and any one of the above electrical box assemblies, and the motor is electrically connected to the PCB board. Therefore, the air conditioner has electrical appliances. Any beneficial effect of the box assembly will not be repeated here.

The relative arrangement of components set forth in these embodiments does not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of various parts shown in the accompanying drawings are not drawn in an actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific value should be construed as illustrative only and not as limiting. Accordingly, other examples of exemplary embodiments may have different values. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present invention, it should be understood that orientation words such as "front, rear, top, bottom, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. The orientation or positional relationship is usually based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and these orientations do not indicate and imply the indicated device unless otherwise stated. Or elements must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as a limitation on the protection scope of the present invention; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. An electrical box assembly is characterized in that, comprising: An electrical box housing, which includes a box body and an end cover waterproofly matched with the box body, a hollow cavity is formed inside the box body, and a PCB board for electrical connection with the motor is arranged in the cavity, and the The end cover is detachably arranged on the opening of the cavity to seal the PCB, and the box is provided with a light-transmitting part formed by a through hole; A communication port circuit is arranged at the bottom of the PCB board, and the light-transmitting part is used to display the information of the communication port circuit; A DIP switch is provided at the bottom of the PCB board, and the light-transmitting part is used to directly operate the DIP switch without disassembling the motor; There are buttons at the bottom of the PCB board, so that when there is no upper computer to control the motor, the light-transmitting part is used for the buttons and the DIP switches to be operated in combination to perform the local operation mode and directly drive the operation. . 2 . The electrical box assembly according to claim 1 , wherein a ring of grooves is provided on the box body, and the electrical box assembly further comprises a sealing ring arranged in the groove, and in the light transmission A plurality of first buckles are arranged on the inner peripheral wall of the light-transmitting portion; the end cover includes a protruding post for inserting into the light-transmitting portion, and the outer peripheral wall of the protruding post is provided with a plurality of first buckles. The first snaps are correspondingly separable and fastened second snaps. 3 . The electrical box assembly according to claim 2 , wherein the end cover further comprises a flange surrounding the outer circumference of the protruding column, and the end cover rotates relative to the light-transmitting portion in a snap-fit direction to prevent the The first buckle and the second buckle are fastened together, and the end cover rotates in the separation direction relative to the light-transmitting part to separate the first buckle and the second buckle . 4 . The electrical box assembly according to claim 3 , wherein the first buckle and the second buckle are set to four, and each of the first buckles is set along the inner The protruding blocks are arranged at equal intervals on the same circumference of the peripheral wall, and four notches are provided at the end of the peripheral wall away from the flange for each of the protruding blocks to enter, and the peripheral wall is equally spaced along the A second buckle and a stop block are provided at positions away from each of the notch in the buckling direction, each of the second buckles is set as an arc-shaped protrusion, and each arc-shaped protrusion is along the buckle. The rotation direction increases gradually with respect to the height of the flange, each of the arc-shaped protrusions slides along each of the corresponding protrusions until the protrusions abut against the stop block, and the flanges are connected to the stopper. The outer peripheries of the light-transmitting parts abut against each other so that the sealing ring is elastically deformed and compressed in the groove. 5 . The electrical box assembly according to claim 1 , wherein the button includes a needle seat and an indicator light, the PCB board includes a communication interface module, and the needle seat and the indicator light are all connected with the communication interface. 6 . The modules are electrically connected, the communication interface module receives the information transmitted by the external component inserted on the needle seat to update the program of the controller, and the communication interface module obtains the running state information of the motor operation, the The indicator lights perform correspondingly different indication outputs according to the different operating state information. 6 . The electrical box assembly according to claim 5 , wherein the indication output is the number of flashes of the indicator light, and the operating status information includes the rotational speed, power, current or/and voltage of the motor. 7 . 7 . The electrical box assembly according to claim 1 , wherein the DIP switch comprises a first switch and a second switch each having an ON state and an OFF state, and the PCB board includes a DIP switch that is compatible with the DIP switch. 8 . An address encoding module electrically connected, the address encoding module determines the address of the controller according to the switch information of the dial switch, and determines the address of the controller by dialing the first switch and the second switch to obtain different switch state combinations The controllers have different addresses. 8 . The electrical box assembly according to claim 7 , wherein the PCB board further comprises a local control module, the local control module is electrically connected to the buttons and the address coding module, and the local control module The module directly controls the operation of the motor according to the local operation information received from the key and the address coding module. 9 . The electrical box assembly according to claim 8 , wherein the keys comprise a first key and a second key, the first key, the second key, the first switch and the first key The two switches are jointly operated to determine the local operating information for the local control module to receive, and different switch states of the first switch and the second switch are combined to determine the direction of rotation, rotational speed or/and of the electric motor. power, the first button and the second button are respectively used to determine the increase and decrease of the rotational speed of the motor or to determine the start and pause of the motor respectively. 10. An air conditioner, characterized in that, the air conditioner comprises a motor and the electrical box assembly according to any one of claims 1-9, and the motor is electrically connected to the PCB board.

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