WO2023220906A1

WO2023220906A1 - Front-facing infrared thermal imager structure

Info

Publication number: WO2023220906A1
Application number: PCT/CN2022/093220
Authority: WO
Inventors: 刘龙; 刘晓宇; 赵有良
Original assignee: 合肥英睿系统技术有限公司
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2023-11-23
Also published as: EP4280192A1

Abstract

A front-facing infrared thermal imager structure, comprising a user operation module and a front-facing infrared module, wherein the front-facing infrared module is arranged at the front end of a white light sight; and the user operation module is detachably mounted on the front-facing infrared module. When the user operation module is mounted on the front-facing infrared module or is separated from the front-facing infrared module, the user operation module is in communication connection with the front-facing infrared module, such that the user operation module transmits a received user operation instruction to the front-facing infrared module. During the process of using the front-facing infrared thermal imager structure, the user operation module may be detached from the front-facing infrared module so as to be operated, and there is no need to operate the user operation module on the front-facing infrared module, such that the operation convenience is greatly improved.

Description

A front-facing infrared thermal imaging camera structure

Technical field

The present application relates to the technical field of electronic equipment, and in particular to a front-mounted infrared thermal imaging camera structure.

Background technique

Currently, white light sights on the market can only be used for aiming during the day and cannot be used at night. In order to increase the application scenarios of the white light sight, you can add an infrared front mirror/infrared thermal imaging camera to the front of the white light sight to expand the night vision function of the white light sight. However, after adding an infrared thermal imaging camera, the product length is about half a meter. Due to the long distance, operating the infrared thermal imaging camera when aiming is difficult and the operating experience is very poor. Therefore, in order to meet the usage requirements, it is necessary for those skilled in the art to provide a front-mounted infrared thermal imaging camera that is easy to operate in a timely manner.

Contents of the invention

The purpose of this application is to provide a front-mounted infrared thermal imaging camera structure that can detach the user operation module from the front-mounted infrared module during use, thereby greatly improving the convenience of operation.

In order to achieve the above purpose, this application provides a front-facing infrared thermal imaging camera structure, which includes a user operation module and a front-facing infrared module. The front-facing infrared module is placed at the front end of the white light sight, and the user operating module is detachably installed on the front-facing infrared sight. on the module;

Among them, when the user operation module is installed on the front infrared module and when it is separated from the front infrared module, there is a communication connection between the user operation module and the front infrared module, so that the user operation module can transmit the received user operation instructions to Front infrared module.

In some embodiments, the user operation module includes:

The instruction receiving part is used to receive and transmit user operation instructions;

The first connector is communicatively connected with the instruction receiving part;

The front-facing infrared module includes:

The control part is used to receive the user operation instructions transmitted by the instruction receiving part;

The second connector is connected to the control unit;

Among them, when the user operation module is installed on the front infrared module, the first connector and the second connector are in contact and connected, so that the instruction receiving part and the control part realize communication connection through physical contact; when the user operation module is separated from the front infrared module, When the module is connected, the first connector and the second connector are disconnected, and the instruction receiving part and the control part realize communication connection through wireless means.

In some embodiments, the instruction receiving part realizes communication connection with the control part through a wireless communication network, and the wireless communication network is WiFi, Bluetooth or ZigBee.

In some embodiments, the first connector is a first probe, and the second connector is a second probe. After the first probe and the second probe come into contact, the instruction receiving part and the control part are connected through communication. .

In some embodiments, the user operation module includes:

The front-facing infrared module includes:

The second connector is connected to the control unit;

Among them, the second connector and the first connector are connected through a retractable wire, so that when the user operation module is installed on the front infrared module and detached from the front infrared module, the command receiving part and the control part communicate through wired means. connect.

In some embodiments, a white light sight is also included. The front end of the white light sight is provided with an adapter ring, and the front infrared module is installed on the adapter ring.

In some embodiments, the outer surface of the front infrared module is provided with an installation slot that is adapted to the user operation module, and the user operation module is installed in the installation slot.

In some embodiments, the user operation module is detachably installed on the front infrared module through magnetic attraction, snapping or plugging.

In some embodiments, the user operation module is provided with a first connection member, and the front infrared module is provided with a second connection member. The first connection member and the second connection member are detachably connected, so that the user operation module can be detachably installed on the Front infrared module.

In some embodiments, the first connecting piece and the second connecting piece are one of a magnetic sub-assembly, a snapping sub-assembly and a plug-in sub-assembly that cooperate with each other.

In some embodiments, the user operation module further includes a lower housing, the lower housing is provided with a first fixing hole and a second fixing hole, the first connector is provided in the first fixing hole, and the first connecting member is provided in the second fixing hole. hole.

In some embodiments, the user operation module further includes a key component, and the key component is connected to the instruction receiving part, so that when the user operates the key component, the instruction receiving part receives the user operation instruction.

In some embodiments, the key assembly includes an upper cover and a leather case, and the command receiving portion is located in the accommodation space formed by the upper cover and the lower shell; the upper surface of the leather case is provided with raised buttons, and the lower surface of the leather case is Connected to the command receiving part; the upper cover is provided with a through hole that matches the button, and the button passes through the through hole and protrudes from the surface of the upper cover; when the user presses the protruding button, the command receiving part receives the user's operation instruction.

In some embodiments, the front-facing infrared module further includes an outer shell. The outer shell is provided with an installation slot for installing the user operation module. The installation slot is provided with a third fixing hole and a fourth fixing hole. The second connector is located on The third fixing hole, the second connecting piece is provided in the fourth fixing hole.

Compared with the above background technology, the front-mounted infrared thermal imaging camera structure provided by the embodiment of the present application includes a user operation module and a front-side infrared module. The front-side infrared module is placed at the front end of the white light sight, and the user operation module is removably Installed on the front infrared module. When the user operation module is installed on the front infrared module and separated from the front infrared module, there is a communication connection between the user operation module and the front infrared module, so that the user operation module can transmit the received user operation instructions to the front infrared module. Infrared module. That is to say, in the structure of the front-facing infrared thermal imaging camera provided by the embodiment of the present application, no matter whether the user operation module and the front-facing infrared module are in a connected state or a separated state, the relationship between the user operating module and the front-facing infrared module is The communication connection is always maintained, and the user operation module transmits the received user operation instructions to the front infrared module to achieve preset actions. In this way, the user can remove the user operation module from the front infrared module during use and place it in any convenient position to control the structure of the infrared thermal imaging camera, and then install it on the front infrared module when not in use. . Compared with the traditional structure, the front-facing infrared thermal imaging camera structure provided by the embodiment of the present application can detach the user operation module from the front-facing infrared module during use, and there is no need to operate the user operating module on the front-facing infrared module. , thereby greatly improving the convenience of operation. After use, reinstall the user operation module on the front infrared module to prevent the user operation module from being lost.

Description of the drawings

In order to explain the embodiments of the present application or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only This is an embodiment of the present application. For those of ordinary skill in the art, other drawings can be obtained based on the provided drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of the front infrared thermal imaging camera structure in the first state in the embodiment of the present application;

Figure 2 is a schematic structural diagram of the front infrared thermal imaging camera structure in the second state in the embodiment of the present application;

Figure 3 is an exploded view of the connection between the user operation module and the front infrared module in Figure 1.

in:

1-Front infrared thermal imaging camera structure;

11-User operation module; 12-Front infrared module; 13-Adapter ring; 14-White light sight;

111-Upper cover; 112-Leather case; 113-Instruction receiving part; 114-Lower housing; 115-First fixing block; 116-First connector; 117-First connecting piece;

121-outer shell; 122-second fixing block; 123-second connector; 124-second connecting piece;

1141-Second fixing hole; 1142-First fixing hole;

1211-shell plane; 1212-fourth fixing hole; 1213-third fixing hole;

1221-Fixed block hole.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

It should be noted that the directional terms such as "upper end, lower end, left side, right side" described below are all defined based on the drawings of the description.

Please refer to Figure 1, Figure 2 and Figure 3. Figure 1 is a structural schematic diagram of the front infrared thermal imaging camera structure in the first state in the embodiment of the present application; Figure 2 is a structural schematic diagram of the front infrared thermal imaging camera structure in the embodiment of the present application. Structural diagram of the second state; Figure 3 is an exploded view of the connection between the user operation module and the front infrared module in Figure 1.

The front infrared thermal imaging camera structure 1 provided by the embodiment of the present application includes a user operation module 11 and a front infrared module 12. The front infrared module 12 is placed at the front end of the white light sight 14, and the user operation module 11 is detachable. Installed on the front infrared module 12. When the user operation module 11 is installed on the front infrared module 12 and detached from the front infrared module 12, there is a communication connection between the user operation module 11 and the front infrared module 12 to realize that the user operation module 11 will receive the user information. The operating instructions are transmitted to the front infrared module 12 .

In order to facilitate the installation of the user operation module 11 on the front infrared module 12, the outer surface of the front infrared module 12 is provided with an installation slot that matches the user operation module 11, and the user operation module 11 is installed in the installation slot.

That is to say, in the front-mounted infrared thermal imaging camera structure 1 provided by the embodiment of the present application, no matter whether the user operation module 11 and the front-mounted infrared module 12 are in a connected state or a separated state, the user operation module 11 and the front-mounted infrared camera 12 are in a connected state or a separated state. The communication connection is always maintained between the infrared modules 12, and the user operation module 11 transmits the received user operation instructions to the front infrared module 12, thereby realizing the preset action.

In this way, the user can remove the user operation module 11 from the front infrared module 12 during use and place it at any convenient position to control the structure of the infrared thermal imaging camera. When not in use, the user can then install it on the front infrared module 12 . on module 12.

Compared with the traditional structure, the front-facing infrared thermal imaging camera structure provided by the embodiment of the present application can be operated by detaching the user operation module 11 from the front-facing infrared module 12 during use, without the need to operate on the front-facing infrared module 12 The user operation module 11 greatly improves the convenience of operation. After use, the user operation module 11 can be reinstalled on the front infrared module 12 to prevent the user operation module 11 from being lost.

In addition, the front infrared thermal imaging camera structure 1 also includes an adapter ring 13 and a white light sight 14. The adapter ring 13 is installed on the front end of the white light sight 14, and the front infrared module 12 is installed on the adapter ring 13.

In this way, the user can remove the user operation module 11 from the front infrared module 12 during use and place it in any convenient position to control the infrared thermal imaging camera, and then install it back to the front infrared module when not in use. on module 12.

In some embodiments, the user operation module 11 and the front-end infrared module 12 can achieve communication connection through wireless means. Of course, the communication connection can also be achieved through wired means. This article does not specifically limit this, provided that the user operation module can be connected 11 and the front infrared module 12 are connected or disconnected, so that the user operation module 11 and the front infrared module 12 always maintain communication connection. The following details:

When the user operation module 11 and the front-end infrared module 12 realize communication connection through wireless means, specifically, the user operation module 11 includes an instruction receiving part 113 and a first connector 116, wherein the instruction receiving part 113 is used to receive and transmit user information. For operating instructions, the first connector 116 is communicatively connected with the instruction receiving part 113; accordingly, the front infrared module 12 includes a control part and a second connector 123, where the control part is used to receive user operation instructions transmitted by the instruction receiving part 113. , the second connector 123 is communicatively connected with the control unit.

In this way, when the user operation module 11 is installed on the front infrared module 12, the first connector 116 and the second connector 123 are in contact and connected, so that the instruction receiving part 113 and the control part realize communication connection through physical contact; when When the user operation module 11 is separated from the front infrared module 12, the first connector 116 and the second connector 123 are disconnected, and the instruction receiving part 113 and the control part realize communication connection through wireless means.

In some embodiments, the instruction receiving unit 113 realizes communication connection with the control unit through a wireless communication network. In this case, the control unit is a network module used to connect to the Internet, and the wireless communication network is WiFi, Bluetooth or ZigBee.

Of course, the command receiving part 113 and the control part can also be connected and communicated through remote control technology. For example, the command receiving part 113 is a remote control, and the control part is a remote control receiving head adapted to the remote control. The wireless communication network is not limited to WiFi, Bluetooth or ZigBee, and can also be a 2G/3G/4G/5G network. In this case, the control part is the wireless mobile communication module.

Specifically, the first connector 116 is a first probe or a first pogo pin, the second connector 123 is a second probe or a second pogo pin, the instruction receiving part 113 is a key board, and the control part is a circuit board. . When the user operation module 11 is installed on the front infrared module 12, after the first probe and the second probe are in contact, the key board and the circuit board maintain connection and communication through physical contact. When the user operation module 11 is removed, , the keypad can be used to remotely control the circuit board through wireless protocols such as WIFI or Bluetooth or ZIGBEE, and the user operation module 11 can be placed wherever the operator wants to make it convenient for the operator to use.

When the user operation module 11 and the front-end infrared module 12 are connected through wired communication, specifically, the instruction receiving component includes an instruction receiving part 113 and a first connector 116. The instruction receiving part 113 is used to receive and transmit user operation instructions, The first connector 116 is communicatively connected with the instruction receiving part 113; correspondingly, the front infrared module 12 includes a control part and a second connector 123. The control part is used to receive the user operation instruction transmitted by the instruction receiving part 113. The second connector 123 is communicatively connected to the control unit; wherein, the second connector 123 and the first connector 116 are connected through retractable wires, so that when the user operation module 11 is installed on the front infrared module 12 and separated from the front infrared module 12, The instruction receiving unit 113 and the control unit are both connected through wired communication.

It should be noted that when a retractable wire is used for connection, a wire trough for accommodating the retracted wire may be provided on the front infrared module 12 .

Specifically, the first connector 116 is a first probe or a first pogo pin, the second connector 123 is a second probe or a second pogo pin, the instruction receiving part 113 is a key board, and the control part is a circuit board. . When the user operation module 11 is installed on the front infrared module 12, the first probe and the second probe are connected through wires (storage state), and the key board and the circuit board maintain communication connection. When the user operation module 11 is removed, At this time, the first probe and the second probe can realize connection and communication between the key board and the circuit board through wires (in the unfolded state), and the user operation module 11 can be placed wherever the operator wants to place it, making it convenient for the operator to use.

In some embodiments, the user operation module 11 is detachably installed on the front infrared module 12 through magnetic attraction, snapping or plugging.

In some embodiments, the user operation module 11 is provided with a first connector 117, and the front infrared module 12 is provided with a second connector 124. The first connector 117 and the second connector 124 are detachably connected to achieve user operation. The module 11 is detachably installed on the front infrared module 12 .

Among them, the first connecting member 117 and the second connecting member 124 are one of mutually matched magnetic sub-assemblies, buckle sub-assemblies and plug-in sub-assemblies.

For ease of use, this embodiment preferably uses magnetic sub-assemblies. Specifically, the first connecting member 117 is a first magnet block, and the second connecting member 124 is a second magnet block. The first magnet block and the second magnet block are magnetically coupled to realize the user operation module 11 and the front infrared. The combination of the module 12, and when the user operation module 11 needs to be disassembled, the user operation module 11 can be directly removed, which greatly improves the convenience of operation.

In some embodiments, the user operation module 11 further includes a lower housing 114. In order to facilitate installation, the lower housing 114 is provided with a first fixing hole 1142 and a second fixing hole 1141, wherein the first connector 116 passes through the first fixing hole 1142. The block 115 is provided in the first fixing hole 1142, and the first connecting member 117 is provided in the second fixing hole 1141.

In some embodiments, the user operation module 11 further includes a key component, and the key component is connected to the instruction receiving part 113, so that when the user operates the key component, the instruction receiving part 113 receives the user operation instruction.

Specifically, the key assembly includes a leather case 112 and an upper cover 111 nested in the leather case 112. The upper cover 111 is connected to the lower housing 114, and the command receiving portion 113 is located in the accommodation space formed by the upper cover 111 and the lower housing 114. inside; the upper surface of the holster 112 is provided with raised buttons, and the lower surface of the holster 112 is connected to the command receiving part 113; the upper cover 11 is provided with a through hole matching the button, and the button passes through the through hole and protrudes. out of the surface of the upper cover 111.

In this way, when the user presses the protruding button, the instruction receiving unit 113 receives the user operation instruction.

When assembling the key assembly, the leather cover 112 is directly assembled to the upper cover 111 through the raised keys to complete the assembly of the key assembly.

When the lower housing 114 is assembled, firstly, the first connector 116 is formed on the first fixing block 115 through a molding process. The entire assembly of the first connector 116 and the first fixing block 115 and the first connecting piece 117 pass through a secondary process. The molding process is fixed in the lower shell 114 to form a button lower shell assembly, in which the entire assembly of the first connector 116 and the first fixing block 115 is fixed in the first fixing hole 1142 of the lower shell 114, and the first connector 117 is fixed in the lower shell 114. The second fixing hole 1141 of the housing 114; furthermore, the command receiving part 113 (keyboard) is fixed in the accommodation space formed by the upper cover 111 and the lower shell 114 through screws, where the first connector 116 and the command receiving part 113 (keyboard) are connected through welding, thereby completing the assembly of the lower housing 114.

When the user operation module 11 is assembled, the key assembly and the lower housing 114 are fixed together with screws to complete the assembly of the user operation module 11 .

In some embodiments, the front infrared module 12 also includes an outer shell 121. The outer shell 121 includes a shell plane 1211. The shell plane 1211 is provided with an installation slot for installing the user operation module 11, and the installation slot is provided with a third fixing hole 1213. and the fourth fixing hole 1212, the second connector 123 is provided in the third fixing hole 1213 through the second fixing block 122, and the second connecting member 124 is provided in the fourth fixing hole 1212.

When the outer shell 121 is assembled, the second connector 123 is formed on the second fixing block 122 through a molding process, and the entire assembly of the second connector 123 and the second fixing block 122, as well as the second connecting piece 124, is fixed through a secondary molding process. On the outer shell 121, a shell assembly is formed, in which the second connector 123 passes through the fixing block hole 1221 of the second fixing block 122, and the second fixing block 122 is formed in the third fixing hole 1213 on the outer shell 121. The connector 124 is formed in the fourth fixing hole 1212 on the outer housing 121 to complete the assembly of the outer housing 121. At this time, the command receiving part 113 (keyboard) is connected to the control part (circuit board) inside the outer housing 121.

When connected by magnetic attraction, the user operation module 11 and the front infrared module 12 are attracted together by two magnets, forming physical contact between the first connector 116 and the second connector 123, thereby realizing the placement of the user operation module 11. The physical connection to the front infrared module 12 can provide charging and data connection to the user operation module 11 when the product is turned on. The signals are connected through wireless protocols such as WIFI, Bluetooth or ZIGBEE.

It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply the existence of any such relationship between these entities. Actual relationship or sequence.

The structure of the front-mounted infrared thermal imaging camera provided by this application has been introduced in detail above. This article uses specific examples to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the solution and the core idea of the present application. It should be noted that for those of ordinary skill in the art, several improvements and modifications can be made to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

A front-mounted infrared thermal imaging camera structure (1), characterized by including a user operation module (11) and a front-mounted infrared module (12), and the front-mounted infrared module (12) is placed on a white light sight (14) At the front end, the user operation module (11) is detachably installed on the front infrared module (12);

Wherein, when the user operation module (11) is installed on the front infrared module (12) and separated from the front infrared module (12), the user operation module (11) and the front infrared module There are communication connections between the modules (12) to enable the user operation module (11) to transmit the received user operation instructions to the front infrared module (12).
The front-mounted infrared thermal imaging camera structure (1) according to claim 1, characterized in that the user operation module (11) includes:

Instruction receiving unit (113), used to receive and transmit the user operation instructions;

The first connector (116) is communicatively connected with the instruction receiving part (113);

The front infrared module (12) includes:

A control unit configured to receive the user operation instruction transmitted by the instruction receiving unit (113);

The second connector (123) is communicatively connected with the control part;

Wherein, when the user operation module (11) is installed on the front infrared module (12), the first connector (116) and the second connector (123) are in contact and connected, so that all The instruction receiving part (113) and the control part realize communication connection through physical contact; when the user operation module (11) is separated from the front infrared module (12), the first connector (116) and The second connector (123) is disconnected, and the instruction receiving part (113) and the control part realize communication connection through wireless means.
The front-mounted infrared thermal imaging camera structure (1) according to claim 2, characterized in that the instruction receiving part (113) realizes communication connection with the control part through a wireless communication network, and the wireless communication network is WiFi , Bluetooth or ZigBee.
The front-mounted infrared thermal imaging camera structure (1) according to claim 2, characterized in that the first connector (116) is a first probe, and the second connector (123) is a second probe. needle, after the first probe and the second probe come into contact, the instruction receiving part (113) and the control part are connected in communication.
The front-mounted infrared thermal imaging camera structure (1) according to claim 1, characterized in that the user operation module (11) includes:

Instruction receiving unit (113), used to receive and transmit the user operation instructions;

The first connector (116) is communicatively connected with the instruction receiving part (113);

The front infrared module (12) includes:

A control unit configured to receive the user operation instruction transmitted by the instruction receiving unit (113);

The second connector (123) is communicatively connected with the control part;

Wherein, the second connector (123) and the first connector (116) are connected through retractable wires, so that when the user operation module (11) is installed on the front infrared module (12) And when the front infrared module (12) is detached, the instruction receiving part (113) and the control part realize communication connection through wired means.
The front-mounted infrared thermal imaging camera structure (1) according to claim 1, characterized in that it also includes a white light sight (14), and an adapter ring (13) is provided at the front end of the white light sight (14). The front infrared module (12) is installed on the adapter ring (13).
The front-mounted infrared thermal imaging camera structure (1) according to claim 1, characterized in that the outer surface of the front-mounted infrared module (12) is provided with an installation module that is adapted to the user operation module (11). slot, and the user operation module (11) is installed in the installation slot.
The front-mounted infrared thermal imaging camera structure (1) according to any one of claims 1 to 7, characterized in that the user operation module (11) is detachable through magnetic attraction, snapping or plugging. Installed on the front infrared module (12).
The front-mounted infrared thermal imaging camera structure (1) according to claim 2, characterized in that the user operation module (11) is provided with a first connector (117), and the front-mounted infrared module (12) is provided with a first connector (117). There is a second connecting piece (124), and the first connecting piece (117) and the second connecting piece (124) are detachably connected, so that the user operation module (11) can be detachably installed on the front Set up the infrared module (12).
The front-mounted infrared thermal imaging camera structure (1) according to claim 9, characterized in that the first connecting piece (117) and the second connecting piece (124) are magnetic attractors that cooperate with each other. It is one of the mother parts, snap-on daughter parts and plug-in mother parts.
The front-mounted infrared thermal imaging camera structure (1) according to claim 9, characterized in that the user operation module (11) further includes a lower housing (114), and the lower housing (114) is provided with a third A fixing hole (1142) and a second fixing hole (1141), the first connector (116) is provided in the first fixing hole (1142), and the first connecting piece (117) is provided in the first fixing hole (1142). Two fixing holes (1141).
The front-mounted infrared thermal imaging camera structure (1) according to claim 11, characterized in that the user operation module (11) further includes a button assembly, and the button assembly is connected to the instruction receiving part (113), So that when the user operates the key component, the instruction receiving unit (113) receives the user operation instruction.
The front-mounted infrared thermal imaging camera structure (1) according to claim 12, characterized in that the button assembly includes an upper cover (111) and a leather case (112), and the instruction receiving part (113) is located at In the accommodation space formed by the upper cover (111) and the lower housing (114); the upper surface of the leather case (112) is provided with raised buttons, and the lower surface of the leather case (112) is in contact with The instruction receiving part (113) is connected; the upper cover plate (11) is provided with a through hole that matches the button, and the button passes through the through hole and protrudes from the upper cover plate (11). 111) Surface; when the user presses the protruding button, the instruction receiving part (113) receives the user operation instruction.
The front-mounted infrared thermal imaging camera structure (1) according to claim 9, characterized in that the front-mounted infrared module (12) further includes an outer shell (121), and the outer shell (121) is provided with a The installation slot for installing the user operation module (11) is provided with a third fixing hole (1213) and a fourth fixing hole (1212), and the second connector (123) is provided on the third fixing hole (1212). Three fixing holes (1213), the second connecting piece (124) is provided in the fourth fixing hole (1212).