CN216733959U

CN216733959U - Radio frequency identification power change cabinet

Info

Publication number: CN216733959U
Application number: CN202122634562.XU
Authority: CN
Inventors: 郭浩; 董阳
Original assignee: Xi'an Benyun Information Technology Co ltd
Current assignee: Xi'an Benyun Information Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-06-14
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a radio frequency identification power exchange cabinet, which comprises: the system comprises a cabinet body, a plurality of power change bins, a display, a loudspeaker, a radio frequency reader-writer and a main controller; the display and the loudspeaker are arranged on the cabinet body; the main controller is electrically connected with a control main board of the display and the loudspeaker; the control mainboard of the display is electrically connected with the radio frequency reader-writer; a charger and a sub-controller are arranged in the electricity changing bin, and a radio frequency antenna is arranged on the inner wall of the electricity changing bin; the radio frequency antenna is electrically connected with the radio frequency reader-writer and is in wireless communication connection with the electronic tag of the battery to be charged. According to the utility model, the radio frequency antenna transmits the radio frequency signal between the radio frequency reader-writer and the electronic tag on the battery to be charged to complete the communication between the radio frequency reader-writer and the electronic tag, and the battery can be exchanged by communicating with the battery exchange bin only by sticking the corresponding electronic tag on the original battery, so that the use scene of the battery exchange cabinet is expanded, the convenience of the battery exchange cabinet is improved, and the utilization rate of the battery exchange cabinet is improved.

Description

Radio frequency identification power change cabinet

Technical Field

The utility model belongs to the technical field of battery charging equipment, and particularly relates to a radio frequency identification power exchange cabinet.

Background

The electric vehicle conforms to the energy-saving and environment-friendly trend set by the state, and is better convenient for short-distance traffic. The electric vehicle is favored by the urban low-income level due to the functional advantages of low price, convenience and environmental protection, and the market of the electric vehicle in China keeps leap-type growth in recent years. With the rapid development of take-out business at present, the electric vehicle also becomes an indispensable food delivery tool. The electric vehicle uses the storage battery to provide electric energy for the electric vehicle, and can really serve users only by ensuring sufficient electric power. Take-out rider distributes distance every day far, and the battery power of electric motor car is limited, need charge or change backup battery after the electric quantity exhausts, wait for battery charging time longer, the rider can charge in filling electric pile after next shift, but the electric motor car fills electric pile not enough, the condition that does not have the place to charge often can appear, consequently can only put the electric motor car in corridor or family and charge, nevertheless has very big potential safety hazard like this. Therefore, a plurality of riders often carry the standby batteries for rotation, but the mode has certain problems, namely, great potential safety hazards exist, and the cost of the two batteries is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a radio frequency identification power exchange cabinet. The technical problem to be solved by the utility model is realized by the following technical scheme:

a radio frequency identification power changing cabinet comprising: the system comprises a cabinet body, a plurality of power change bins, a display, a loudspeaker, a radio frequency reader-writer and a main controller;

the display is arranged on the outer wall of the cabinet body and close to the top;

the loudspeaker is arranged on the cabinet body and is electrically connected with the control main board of the display;

the main controller is arranged in the cabinet body, is positioned outside the power change cabin and is electrically connected with the control main board of the display;

the control main board of the display is electrically connected with the radio frequency reader-writer, and the radio frequency reader-writer is arranged at the top of the cabinet body;

the battery replacing bins are sequentially arranged in the cabinet body;

a charger and a sub-controller are arranged in the electricity changing bin, and a radio frequency antenna is arranged on the inner wall of the electricity changing bin;

the charger is electrically connected with the sub-controller; the sub-controller is electrically connected with the main controller and the electronic door lock of the power change bin; the main controller is electrically connected with a power supply;

the radio frequency antenna is electrically connected with the radio frequency reader-writer and is in wireless communication connection with the electronic tag of the battery to be charged.

In one embodiment of the utility model, a fire extinguisher is further arranged at the top in the power change bin; a smoke alarm and a release are also arranged in the cabinet body;

the smoke alarm is electrically connected with the main controller;

the main controller is electrically connected with the release;

the fire extinguisher is electrically connected with the sub-controller.

In one embodiment of the utility model, a heating sheet is arranged on the outer side wall of the electricity changing bin, an in-bin cooling fan is arranged on the side wall of the electricity changing bin, and an in-bin temperature sensor is also arranged in the electricity changing bin;

and the sub-controller is electrically connected with the heating sheet, the temperature sensor in the bin and the heat dissipation fan in the bin.

In one embodiment of the utility model, a smart meter is further arranged in the cabinet body;

the intelligent electric meter is electrically connected with the main controller.

In one embodiment of the utility model, the device further comprises a water sensor;

the water sensor is arranged at the bottom in the cabinet body and is electrically connected with the main controller.

In one embodiment of the utility model, the device further comprises an inductive switch;

the inductive switch is arranged in the cabinet body, is positioned on the frame on the back face of the cabinet body and is electrically connected with the main controller.

In one embodiment of the utility model, the system further comprises a plurality of electric quantity detection modules;

the electric quantity detection module is arranged in the cabinet body and is electrically connected with the charger and the sub-controller.

In one embodiment of the utility model, the device further comprises an outside-bin heat dissipation fan;

the outside-bin cooling fan is arranged on the back plate in the cabinet body and is electrically connected with the main controller.

The utility model has the beneficial effects that:

according to the utility model, the radio frequency antenna transmits the radio frequency signal between the radio frequency reader-writer and the electronic tag on the battery to be charged, and the communication between the radio frequency reader-writer and the electronic tag is completed, so that the battery can be replaced by communicating with the battery replacing bin only by sticking the corresponding electronic tag on the original battery, and the battery can be replaced conveniently without carrying a standby battery or waiting for charging in a fixed charging pile. Moreover, the display can display the service state information of the power exchange cabinet, and the loudspeaker can play the voice prompt related to the service for the user.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of a radio frequency identification power distribution cabinet according to an embodiment of the present invention;

fig. 2 is a schematic block diagram of a circuit of an rfid switch cabinet according to an embodiment of the present invention.

Description of reference numerals:

10-a cabinet body; 12-a heat dissipation fan outside the bin; 13-radio frequency reader-writer; 14-smart meter; 15-water immersion sensor; 16-an inductive switch; 17-a release; 20-a power change bin; 21-a charger; 22-a radio frequency antenna; 23-a smoke alarm; 24-a fire extinguisher; 25-a heating plate; 26-a heat dissipation fan in the bin; 27-in-bin temperature sensor; 28-electric quantity detection module; 29-electronic door lock; 30-a display; 40-a loudspeaker; 50-a main controller; 60-sub controller.

Detailed Description

The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited thereto.

Example one

Referring to fig. 1 and 2, a radio frequency identification power changing cabinet includes: the cabinet body 10, a plurality of electricity changing cabins 20, a display 30, a loudspeaker 40, a radio frequency reader-writer 13 and a main controller 50. A plurality of power change bins 20 are arranged in the cabinet body 10. The display 30 is disposed outside the cabinet 10 near the top. The display 30 can display information such as the operating status information of each power transfer compartment 20. The loudspeaker 40 is arranged on the cabinet 10, the loudspeaker 40 is close to the display 30, and the loudspeaker 40 is electrically connected with a control main board of the display 30. Speaker 40 may play voice messages to prompt the user for relevant information. The main controller 50 is disposed in the cabinet 10, the main controller 50 is located outside the power change cabin 20, and the main controller 50 is electrically connected to the control main board of the display 30. The control mainboard of the display 30 is electrically connected with the radio frequency reader-writer 13, and the radio frequency reader-writer 13 is arranged at the top of the cabinet body 10. The data read by the rf reader 13 is sent to the control motherboard of the display 30 for identification, and the control motherboard sends the processed data to the main controller 50 for further processing.

A plurality of power change bins 20 are sequentially disposed in the cabinet 10. The power changing bin 20 is internally provided with a charger 21 and a sub-controller 60, and the inner wall of the power changing bin 20 is provided with a radio frequency antenna 22. The charger 21 is electrically connected with the sub-controller 60, the sub-controller 60 is electrically connected with the main controller 50 and the electronic door lock 29 of the battery changing bin 20, and the main controller 50 is electrically connected with the power supply. The radio frequency antenna 22 is electrically connected with the radio frequency reader 13, and the radio frequency antenna 22 is in wireless communication connection with the electronic tag of the battery to be charged. Each power change cabin 20 has one sub-controller 60 and one rf antenna 22, all the sub-controllers 60 being controlled by the main controller 50. The charger 21 obtains the electric energy of the power supply through the sub-controller 60 and the main controller 50, and the power supply also provides the electric energy for all the electrical appliances of the power exchange cabinet.

In this embodiment, when a user (takeaway rider) needs to replace the battery of the electric vehicle, the unused power change bin 20 is opened, the battery to be charged with the electronic tag is placed in the power change bin 20, the rf antenna 22 in the power change bin 20 transmits the received rf signal of the electronic tag to the rf reader-writer 13, the rf reader-writer 13 reads the information (information such as the model of the battery) of the battery stored in the electronic tag and transmits the information to the control main board of the display 30, the control main board receives the information and then identifies and displays the information of the battery, and transmits the information to the main controller 50, the main controller 50 processes the information to generate a corresponding instruction and transmits the instruction to the sub-controller 60 of the power change bin 20 where the fully charged battery is located, the sub-controller 60 controls the electronic door lock 29 of the corresponding power change bin 20 to open, the user only needs to take the battery for replacement, and simultaneously, the user connects the battery to be charged with the charger 21 in the battery replacement bin 20 for charging. This embodiment carries out radio frequency communication through the electronic tags on the rechargeable battery of radio frequency read write line 13 discernment, only need paste corresponding electronic tags on original battery can with trade storehouse 20 and communicate the change of accomplishing the battery, realize convenient change battery, the user need not to carry reserve battery, also need not to wait to charge at fixed electric pile, it is very convenient that battery change and use are very quick, use cost is reduced, the user need not oneself to charge to the battery, the security that the battery used has been improved, and simultaneously, the scene of use of the cabinet that trades electricity has been expanded, the convenience of trading the cabinet has been improved, the rate of utilization of the cabinet that trades electricity has been promoted.

In addition, the display 30 can display the relevant operating status information of the power changing cabinet, such as the number of the power changing bins 20 that can be charged and the number of the completed charges, the model information of the batteries in the power changing bins 20, and the like. The loudspeaker 40 can play various voice prompt messages and the like of the power changing cabinet, so that the functionality of the power changing cabinet is improved.

Wherein, the control mainboard of display 30 passes through 485 communication cables and is connected with main control unit 50 communication, and main control unit 50 passes through CAN communication cables and sub-controller 60 communication connection, and display 30 is the all-in-one that has the display function.

In one possible implementation, the rf antenna 22 is disposed on a back plate of the battery changing chamber 20.

Further, as shown in fig. 1 and 2, a fire extinguisher 24 is further disposed at the top inside the battery changing chamber 20. A smoke alarm 23 and a release 17 are also arranged in the cabinet body 10. The smoke alarm 23 is electrically connected to the main controller 50. The main controller 50 is electrically connected to the trip unit 17. Extinguisher 24 is electrically connected to a sub-controller 60. In this embodiment, each power switching bin 20 is provided with a fire extinguisher 24, when the power switching bin 20 is charged and an accidental fire occurs, a large amount of smoke is generated, the smoke alarm 23 gives an alarm when sensing the smoke and sends a signal to the main controller 50, the main controller 50 controls the operation of the release 17, and the release 17 cuts off the power supply. Trade the switch cabinet after the outage and fall off the power line, long-range backend server can carry out the alarm suggestion, reports an emergency and asks for help or increased vigilance to backstage staff to in time take corresponding measure, avoid the condition of a fire to enlarge. When the temperature in the battery replacement bin 20 reaches a threshold value, the fire extinguisher 24 is triggered to perform fire extinguishing operation, so that the use safety of the battery replacement bin 20 and the battery replacement cabinet is improved. The feedback line of the fire extinguisher 24 is electrically connected to the sub-controller 60 to feed back the trigger status of the fire extinguisher.

In one possible implementation, fire extinguisher 24 may be an aerosol fire extinguisher, and fire extinguisher 24 may be integrated with a temperature sensor, such that when the temperature sensor detects that a temperature reaches a threshold, fire extinguisher 24 triggers a fire extinguishing operation. The main controller 50 may specifically control the operation of the trip unit 17 through a relay.

Further, as shown in fig. 1 and 2, a heating sheet 25 is disposed on an outer side wall of the battery replacement bin 20, an in-bin cooling fan 26 is disposed on a side wall of the battery replacement bin 20, and an in-bin temperature sensor 27 is further disposed in the battery replacement bin 20. The sub-controller 60 is electrically connected to the heater chip 25, the in-bin temperature sensor 27, and the in-bin heat-dissipating fan 26. In this embodiment, each power conversion bin 20 has a separate temperature detection function, heating function and heat dissipation function. Temperature sensor 27 sends the temperature value that trades in the storehouse will detect in the storehouse to sub-controller 60, when the high temperature, then sub-controller 60 control storehouse interior radiator fan 26 work dispels the heat to trading electricity storehouse 20, when the low temperature, then sub-controller 60 control heating plate 25 work heats, avoid using trading electricity storehouse 20 to charge under the high temperature's the condition, and avoid under the low temperature condition unable normal use trade electricity storehouse 20 and charge, the reliability and the security that trade the electric cabinet use have further been promoted.

Further, as shown in fig. 2, the radio frequency identification power change cabinet further includes an outside-bin cooling fan 12. The cooling fan 12 outside the cabin is disposed on the back plate inside the cabinet 10. The external cooling fan 12 is used for cooling the environment outside the battery changing bin 20 (cooling the environment inside the cabinet 10). The main controller 50 is electrically connected to the outdoor cooling fan 12.

In this embodiment, temperature sensor 27 in the storehouse can detect the temperature in the storehouse of trading electricity 20, when the temperature of certain storehouse of trading electricity 20 reaches the threshold value or several temperature of trading electricity storehouse 20 reach the threshold value, sub-controller 60 sends corresponding signal to main control unit 50, main control unit 50 control storehouse external cooling fan 12 work, carry out the whole temperature of dispelling the heat in order to reduce whole cabinet body 10 to the cabinet body 10, thereby further reach and reduce the inside temperature in storehouse of trading electricity 20, the too high performance that influences the battery and produce the potential safety hazard of the ambient temperature of avoiding trading the battery in the storehouse 20, the security of trading the use of the cabinet has been improved.

Further, as shown in fig. 2, a smart meter 14 is also disposed in the cabinet 10. The smart meter 14 is electrically connected to the master controller 50. Each charger 21 is electrically connected with the corresponding sub-controller 60, all the sub-controllers 60 are electrically connected with the main controller 50, the main controller 50 is electrically connected with the smart meter 14, and the smart meter 14 can detect the total electricity consumption for charging all the electricity change bins 20 of the electricity change cabinet through the main controller 50 and the sub-controllers 60.

Further, as shown in fig. 2, the radio frequency identification power conversion cabinet further comprises a water sensor 15. The water sensor 15 is arranged at the bottom in the cabinet body 10, and the water sensor 15 is electrically connected with the main controller 50. Water sensor 15 is located the outer cabinet body 10 of electricity changing storehouse 20, if the internal condition of intaking that takes place of cabinet 10, water sensor 15 sends out the alarm suggestion when detecting the internal intaking of cabinet 10, and simultaneously, main control unit 50 control release 17 work, release 17 cut off power supply, trades the electricity cabinet after the outage and falls off the line, and long-range backstage server can carry out the alarm suggestion, warns about the warning to backstage staff to in time take corresponding measure. The main controller 50 may specifically control the operation of the trip unit 17 through a relay.

Further, as shown in fig. 2, the radio frequency identification power changing cabinet further comprises an inductive switch 16. The inductive switch 16 is disposed in the cabinet 10 and located on the frame at the back of the cabinet 10, and the inductive switch 16 is electrically connected to the main controller 50. The inductive switch 16 can sense whether the back plate of the cabinet 10 is installed or not, so as to detect whether the cabinet 10 is installed in a closed manner or not, and ensure the reliability of the installation of the cabinet 10.

In a possible implementation manner, after the back panel of the cabinet 10 is installed, the induction pressing piece on the induction switch 16 is pressed into the induction switch 16, and the induction pressing piece is electrically connected with the circuit in the induction switch 16, so as to generate an electrical signal. If the back plate is not installed, the inductive switch 16 is in an off state, and the main controller 50 can control the speaker 40 to play an installation prompt tone or a voice prompt, for example, if the back plate is damaged due to theft of the battery replacement cabinet, the inductive switch 16 is in an off state, and a voice prompt can be sent to perform an anti-theft alarm.

Further, as shown in fig. 2, a radio frequency identification power changing cabinet further includes a plurality of power detecting modules 28. The electric quantity detection module 28 is disposed in the cabinet 10, and the electric quantity detection module 28 is electrically connected with the charger 21 and the sub-controller 60. In this embodiment, each electricity-changing cabin 20 corresponds to one electricity-quantity detection module 28. The electric quantity detection module 28 is connected to the battery to be charged through the charger 21, the electric quantity detection module 28 is configured to detect a charged amount or a percentage of the charged battery to be charged in each power change compartment 20, for example, the electric quantity detection module 28 can detect that the battery to be charged has completed seventy percent of charging, and the sub-controller 60 can obtain the electric quantity information detected by the electric quantity detection module 28 and send the information to the main controller 50.

Further, as shown in fig. 2, an electronic door lock 29 is disposed on a compartment door of the battery replacement compartment 20. The electronic door lock 29 is electrically connected to the sub-controller 60. The switch cabinet 20 can be automatically unlocked and locked.

In a feasible implementation manner, a user can scan a two-dimensional code, which is displayed on the display 30 and used for unlocking the electronic door lock 29, of the battery replacing cabin 20 by using a mobile phone to perform an unlocking operation, the main controller 50 receives an unlocking instruction and sends the unlocking instruction to the corresponding sub-controller 60, the sub-controller 60 controls the electronic door lock 29 to unlock, the user places a battery to be charged into the battery replacing cabin 20, and when the battery is locked, the cabin door is closed, so that the electronic door lock can be automatically locked.

Further, the front side of the battery changing bin 20 is further provided with an indicator light, the indicator light is electrically connected with the sub-controller 60, the red indicator light indicates that the battery to be charged in the battery changing bin 20 is being charged, the yellow indicator light indicates that the battery to be charged is not put in the battery changing bin 20, and the green indicator light indicates that the charging of the battery in the battery changing bin 20 is completed.

In a feasible implementation, an antenna module is further arranged in the cabinet body 10, the antenna module is used for providing 4G signals or WIFI signals for the display 30, and an illuminating lamp electrically connected with the main controller 50 is further arranged outside the cabinet body 10.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. A radio frequency identification switch cabinet, comprising: the power supply comprises a cabinet body (10), a plurality of power change bins (20), a display (30), a loudspeaker (40), a radio frequency reader-writer (13) and a main controller (50);

the display (30) is arranged on the outer wall of the cabinet body (10) close to the top;

the loudspeaker (40) is arranged on the cabinet body (10) and is electrically connected with the control main board of the display (30);

the main controller (50) is arranged in the cabinet body (10), is positioned outside the power change cabin (20), and is electrically connected with the control main board of the display (30);

the control main board of the display (30) is electrically connected with the radio frequency reader-writer (13), and the radio frequency reader-writer (13) is arranged at the top of the cabinet body (10);

the plurality of power change bins (20) are sequentially arranged in the cabinet body (10);

a charger (21) and a sub-controller (60) are arranged in the power change bin (20), and a radio frequency antenna (22) is arranged on the inner wall of the power change bin (20);

the charger (21) is electrically connected with the sub-controller (60); the sub-controller (60) is electrically connected with the main controller (50) and an electronic door lock (29) of the power change cabin (20); the main controller (50) is electrically connected with a power supply;

and the radio frequency antenna (22) is electrically connected with the radio frequency reader-writer (13) and is in wireless communication connection with the electronic tag of the battery to be charged.

2. The radio frequency identification cabinet according to claim 1, wherein a fire extinguisher (24) is further provided at the top inside the power change bin (20); a smoke alarm (23) and a release (17) are also arranged in the cabinet body (10);

the smoke alarm (23) is electrically connected with the main controller (50);

the main controller (50) is electrically connected with the release (17);

the fire extinguisher (24) is electrically connected with the sub-controller (60).

3. The radio frequency identification power changing cabinet according to claim 2, wherein a heating plate (25) is arranged on the outer side wall of the power changing cabin (20), an in-cabin cooling fan (26) is arranged on the side wall of the power changing cabin (20), and an in-cabin temperature sensor (27) is further arranged in the power changing cabin (20);

and the sub-controller (60) is electrically connected with the heating sheet (25), the in-bin temperature sensor (27) and the in-bin cooling fan (26).

4. The radio frequency identification power exchange cabinet according to claim 2, wherein a smart meter (14) is further arranged in the cabinet body (10);

the intelligent electric meter (14) is electrically connected with the main controller (50).

5. A radio frequency identification cabinet as claimed in claim 2, characterized by further comprising a water sensor (15);

the water sensor (15) is arranged at the bottom in the cabinet body (10) and is electrically connected with the main controller (50).

6. A radio frequency identification cabinet according to claim 2, characterized by further comprising an inductive switch (16);

the inductive switch (16) is arranged in the cabinet body (10), is positioned on a frame on the back surface of the cabinet body (10), and is electrically connected with the main controller (50).

7. A radio frequency identification cabinet according to claim 2, characterized by further comprising a plurality of charge detection modules (28);

the electric quantity detection module (28) is arranged in the cabinet body (10) and is electrically connected with the charger (21) and the sub-controller (60).

8. The radio frequency identification switch cabinet according to claim 2, further comprising an out-of-cabinet cooling fan (12);

the outside-bin heat dissipation fan (12) is arranged on the back plate in the cabinet body (10) and electrically connected with the main controller (50).