Bright transport detector with explosion-proof function

Abstract

The invention discloses a bright transport detector with an explosion-proof function, which comprises a main body, the first end and the second end of the main body are both open, the first end of the main body is provided with an end cover, the second end of the main body is provided with a transparent cover, the end cover is detachably connected with the first end of the main body in a sealing manner, and the transparent cover is provided with an opening. The transparent cover is detachably connected with the second end of the main body in a sealed mode, a closed space is formed among the main body, the end cover and the transparent cover, a brightness sensor and a motion sensor are arranged in the space, and the brightness sensor and the motion sensor are connected with the main body through buffering pieces. The brightness sensor is used for detecting brightness data, and the motion sensor is used for detecting motion data; the device can play a better role in protecting internal electronic elements, has a better explosion-proof effect, and is suitable for being used in industries such as coal mines, petroleum and petrochemical industries and the like.

Description

Technical Field

[0001] The present application relates to the field of explosion-proof technology, and in particular to a light-transmitting detector with explosion-proof function. Background Art

[0002] Brightness detector is a device used to measure the brightness of light. Brightness detector measures brightness by receiving light and converting it into electrical signals. It is usually used in scientific research, industrial detection, optical simulation and other fields. Motion detector is an electronic device that uses sensors to detect nearby people or objects. It triggers an alarm by sensing moving objects. It has the characteristics of high sensitivity and low false alarm rate. It is mainly used for security monitoring and automatic alarm.

[0003] A brightness detector is a detector formed by combining a brightness detector and a motion detector. It can complete ambient light brightness detection and human or object motion detection within the effective detection range, and can be linked to other devices in the detection area through the host, such as lights, automatic doors, alarms, etc.

[0004] Existing Liangyun detectors usually do not have explosion-proof functions and are mostly suitable for indoor non-explosion-proof places such as offices, warehouses, factories, hotels, and laneway lights, or can only adapt to general explosion-proof areas. In addition, existing Liangyun detectors also have problems such as inconvenient installation and maintenance. In summary, existing Liangyun detectors are usually not suitable for use in coal mining, petroleum and petrochemical industries. Therefore, in order to meet industry needs, it is necessary to upgrade and transform existing Liangyun detectors. Summary of the invention

[0005] The main purpose of this application is to propose a Liangyun detector with explosion-proof function, aiming to solve the problems that the existing Liangyun detectors do not have explosion-proof function and are inconvenient to install and maintain.

[0006] To achieve the above-mentioned purpose, the present application proposes a brightness detector with explosion-proof function, including: a main body, the first end and the second end of the main body are both open, the first end of the main body is provided with an end cap, the second end of the main body is provided with a transparent cover, the end cap is detachably and sealedly connected to the first end of the main body, the transparent cover is detachably and sealedly connected to the second end of the main body, a closed space is formed between the main body and the end cap and the transparent cover, a brightness sensor and a motion sensor are provided in the space, the brightness sensor and the motion sensor are connected to the main body through a buffer, the brightness sensor is used to detect brightness data, and the motion sensor is used to detect motion data.

[0007] Optionally, a first annular connecting portion is provided at one end of the end cover facing the main body, the first connecting portion and the end cover are an integrally formed structure, the first connecting portion extends into the interior of the main body, the outer side surface of the first connecting portion is a first connecting surface, the first connecting surface is a conical surface, the diameter of the end of the first connecting surface extending into the main body is smaller than the diameter of one end where the first connecting portion is connected to the end cover main body, and a conical second connecting surface is provided at the opening of the first end of the main body corresponding to the first connecting surface, and the first connecting surface is in contact with the second connecting surface.

[0008] Optionally, a first annular notch is provided on the end surface of the end cover near the first connecting portion, and a first sealing ring is provided in the first notch.

[0009] Optionally, the end cover is fixedly connected to the main body by a plurality of screws, and a plurality of second notches are provided on the end surface of the end cover near the outer side surface.

[0010] Optionally, the transparent cover is installed on the second end of the main body through a fixing ring, and the second end of the main body is provided with an annular second connecting portion, the end surface edge of the transparent cover is located on the inner side of the second connecting portion, and the end surface edge of the transparent cover is sleeved with an elastic ring, and the elastic ring includes a sealing portion and a mounting portion, and the sealing portion has a Z-shaped cross-section, and the sealing portion is located between the transparent cover and the second end surface of the main body, and the mounting portion is located between the end surface of the transparent cover and the second connecting portion, and the mounting portion is sleeved on the end surface edge of the transparent cover, and the fixing ring has an L-shaped cross-section, and the fixing ring is pressed on the end surface of the elastic ring away from the sealing portion, and the fixing ring is connected to the main body through screws.

[0011] Optionally, a first circuit board, a second circuit board, and a third circuit board are sequentially arranged in the space, the first circuit board is located on a side close to the end cover, the second circuit board is located between the first circuit board and the third circuit board, the third circuit board is located on a side close to the transparent cover, the first circuit board is provided with wiring terminals, the wiring terminals are used for wiring and connection of wires and cables, the second circuit board is provided with a power supply component, the power supply component is used to provide electrical energy, and the third circuit board is provided with the brightness sensor and the motion sensor.

[0012] Optionally, the buffer member includes a support member and a connecting column, the first circuit board is installed on the inner wall of the main body through a plurality of evenly distributed support members, the second circuit board is connected to the first circuit board through a plurality of connecting columns, an extension portion is arranged between the third circuit board and the second circuit board, the extension portion and the main body are an integrally formed structure, the third circuit board is installed on the extension portion through a plurality of connecting columns, the support member is a C-shaped structure made of elastic material, and the connecting column is a cylindrical structure made of rubber material.

[0013] Optionally, a hemispherical light homogenizing cover is provided in the space between the third circuit board and the transparent cover, the light homogenizing cover is mounted on the main body by a plurality of screws, and the light homogenizing cover is used to evenly distribute the light projected on the third circuit board.

[0014] Optionally, the side of the main body is a curved structure convex outward, and a plurality of mutually parallel reinforcing ribs are arranged on the outer side surface of the main body, the end cover is a curved structure convex outward, and reinforcing ribs are arranged on the inner side surface of the end cover, the side of the transparent cover is a spherical surface structure convex outward, and a hemispherical mesh cover is also arranged on the outer side of the transparent cover, and the mesh cover is mounted on the fixing ring by a plurality of screws.

[0015] Optionally, a mounting frame is provided above the main body, and the mounting frame is an inverted U-shaped structure. Both ends of the mounting frame are respectively mounted on the side surfaces of the main body by screws, and a plurality of mounting waist holes are provided in the middle position of the mounting frame, and the mounting waist holes are used for mounting on other components by screws.

[0016] The technical solution of the present application forms an explosion-proof enclosed space by combining a main body, an end cover and a transparent cover, and arranges electronic components such as a brightness sensor and a motion sensor in this enclosed space. At the same time, the electronic components are connected to the interior of the main body through a buffer. The buffer can absorb vibration and reduce the impact of vibration on the electronic components, thereby effectively protecting the electronic components. Moreover, the main body, the end cover, the transparent cover and other components are connected by screws, which is convenient for replacement and maintenance of the internal electronic components after disassembly. That is, the device can better protect the internal electronic components and has a good explosion-proof effect, and is suitable for use in coal mines, petroleum and petrochemical industries. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0018] Figure 1 This is one of the external structural schematic diagrams of the Liangyun detector with explosion-proof function of this application;

[0019] Figure 2 This is the second schematic diagram of the external structure of the Liangyun detector with explosion-proof function of this application;

[0020] Figure 3 This is a schematic diagram of the disassembled structure of the components of the Liangyun detector with explosion-proof function in this application;

[0021] Figure 4 This is one of the internal structure diagrams of the Liangyun detector with explosion-proof function of this application;

[0022] Figure 5 This is the second schematic diagram of the internal structure of the Liangyun detector with explosion-proof function of this application;

[0023] Figure 6 For this application Figure 4 A schematic diagram of the enlarged local structure at point A in the middle;

[0024] Figure 7 For this application Figure 4 A magnified schematic diagram of the local structure at B in the middle;

[0025] Figure 8 For this application Figure 5 Enlarged schematic diagram of the local structure at point C in the middle.

[0026] Description of Figure Numbers:

[0027] 1. Main body; 2. End cover; 210. First connecting part; 211. First connecting surface; 220. First notch; 221. First sealing ring; 230. Second notch; 3. Transparent cover; 4. Fixing ring; 5. Space; 510. First circuit board; 520. Second circuit board; 530. Third circuit board; 6. Elastic ring; 601. Sealing part; 602. Mounting part; 7. Support member; 8. Connecting column; 9. Light homogenizing cover; 10. Boss; 11. Sealing cylinder; 12. Sealing gasket; 13. Pressing nut; 14. Mounting frame; 15. Mounting waist hole; 16. Mesh cover.

[0028] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] It should be noted that when an element is referred to as being "fixed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0031] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0032] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if the meaning of "and / or" appearing in the full text is to include three parallel schemes, taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0033] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0034] Existing Liangyun detectors usually do not have explosion-proof functions and are mostly suitable for indoor non-explosion-proof places such as offices, warehouses, factories, hotels, and laneway lights, or can only adapt to general explosion-proof areas. In addition, existing Liangyun detectors also have problems such as inconvenient installation and maintenance. In summary, existing Liangyun detectors are usually not suitable for use in coal mining, petroleum and petrochemical industries. Therefore, in order to meet industry needs, it is necessary to upgrade and transform existing Liangyun detectors.

[0035] In view of this, the present application proposes a brightness detector with explosion-proof function, comprising: a main body 1, wherein the first end and the second end of the main body 1 are both open, the first end of the main body 1 is provided with an end cap 2, the second end of the main body 1 is provided with a transparent cover 3, the end cap 2 is detachably and sealedly connected to the first end of the main body 1, the transparent cover 3 is detachably and sealedly connected to the second end of the main body 1, a closed space 5 is formed between the main body 1 and the end cap 2 and the transparent cover 3, a brightness sensor and a motion sensor are provided in the space 5, the brightness sensor and the motion sensor are connected to the main body 1 through a buffer, the brightness sensor is used to detect brightness data, and the motion sensor is used to detect motion data.

[0036] In the examples of this application, refer to Figures 1 to 6 The above-mentioned explosion-proof detector comprises: a main body 1, which is a shell structure formed by removing half of the lower side (second end) and a part of the upper side (first end) of a sphere, the first end and the second end of the main body 1 are both open, and the diameter of the opening of the first end of the main body 1 is smaller than the diameter of the opening of the second end, the first end of the main body 1 is provided with an end cap 2, and the end cap 2 is provided with an annular first connecting portion 210 at one end facing the main body 1, the first connecting portion 210 and the end cap 2 are an integrally formed structure, the first connecting portion 210 extends into the interior of the main body 1, and the first connecting portion The outer side surface of 210 is a first connecting surface 211, and the first connecting surface 211 is a conical surface. The diameter of one end of the first connecting surface 211 extending into the main body 1 is smaller than the diameter of one end of the connection between the first connecting portion and the end cover 2 main body. The first end opening of the main body 1 is set to a conical second connecting surface 110 corresponding to the first connecting surface 211. The first connecting surface 211 is fitted with the second connecting surface 110. The design of the fitting of the first connecting surface 211 and the second connecting surface 110 makes the structural cooperation between the end cover 2 and the main body 1 more firm and stable, and can also play a sealing role.

[0037] refer to Figure 4 and Figure 6A first annular notch 220 is provided on the end surface of the end cover 2 near the first connecting portion 210, and a first sealing ring 221 is provided in the first notch 220 to further increase the sealing effect between the end cover 2 and the first connecting portion 210. The end cover 2 is fixedly connected to the main body 1 by a plurality of screws. A plurality of second notches 230 are also provided on the end surface of the end cover 2 near the outer side surface. The second notches 230 are used for inserting a crowbar to facilitate the disassembly of the end cover 2, thereby facilitating the repair and replacement of the components inside the main body 1.

[0038] refer to Figure 2 , Figure 3 and Figure 4 A hemispherical transparent cover 3 is provided at the second end of the main body 1, and the transparent cover 3 is sealed and fixedly installed at the second end of the main body 1 through a fixing ring 4. A closed space 5 is formed between the main body 1, the end cover 2 and the transparent cover 3, and the interior of the space 5 is used to accommodate electronic components.

[0039] refer to Figure 4 and Figure 7 The second end of the main body 1 is provided with an annular second connecting portion 120, the end face edge of the transparent cover 3 is located inside the second connecting portion 120, and the end face edge of the transparent cover 3 is sleeved with an elastic ring 6, which is made of rubber material. The elastic ring 6 includes a sealing portion 601 and a mounting portion 602. The cross section of the sealing portion 601 is Z-shaped, the sealing portion 601 is located between the transparent cover 3 and the second end face of the main body 1, the mounting portion 602 is located between the end face of the transparent cover 3 and the second connecting portion 120, and the mounting portion 602 is sleeved on the end face edge of the transparent cover 3, the cross section of the fixing ring 4 is L-shaped, the fixing ring 4 is pressed on the end face of the elastic ring 6 away from the sealing portion 601, and the fixing ring 4 is connected to the main body 1 by screws, so that the transparent cover 3 is installed on the main body 1, and the setting of the elastic ring 6 can play a sealing role between the transparent cover 3 and the main body 1, and can also play a role of buffering and shock absorption.

[0040] refer to Figure 3 , Figure 4 and Figure 5 The electronic components in the space 5 include a first circuit board 510, a second circuit board 520, and a third circuit board 530 which are arranged in sequence from top to bottom, that is, the first circuit board 510 is located on a side close to the end cover 2, the second circuit board 520 is located between the first circuit board 510 and the third circuit board 530, and the third circuit board 530 is located on a side close to the transparent cover 3. The first circuit board 510 is provided with wiring terminals, which are used for wiring and connection of wires and cables. The second circuit board 520 is provided with a power supply component, which is used for providing electrical energy. The third circuit board 530 is provided with a brightness sensor and a motion sensor, which are used for detecting brightness data and motion data respectively.

[0041] In order to improve the explosion-proof effect and reduce the impact of vibration on electronic components, refer to Figure 3 , Figure 5 and Figure 8 The first circuit board 510 is installed on the inner wall of the main body 1 through a plurality of evenly distributed support members 7, the second circuit board 520 is connected to the first circuit board 510 through a plurality of connecting columns 8, an extension portion 130 is arranged between the third circuit board 530 and the second circuit board 520, the extension portion 130 and the main body 1 are an integrally formed structure, and the third circuit board 530 is installed on the extension portion 130 through a plurality of connecting columns 8, wherein the support member 7 is a C-shaped structure made of elastic material, and the elastic material can specifically be spring steel, titanium alloy, rubber-metal composite material, etc., which has good elasticity and buffering and shock absorbing effects, and the connecting column 8 is a cylindrical structure made of rubber material, which has good elasticity and can effectively absorb and buffer vibrations.

[0042] refer to Figure 3 , Figure 4 and Figure 5 A hemispherical light-homogenizing cover 9 is arranged between the third circuit board 530 and the transparent cover 3 in the space 5. The light-homogenizing cover 9 is mounted on the main body 1 by a plurality of screws. The light-homogenizing cover can evenly distribute the light projected on the third circuit board 530, thereby improving the detection accuracy of the brightness sensor and the motion sensor.

[0043] refer to Figure 3 and Figure 4 The outer side of the main body 1 is symmetrically distributed with cylindrical bosses 10, and the inside of the boss 10 is provided with a through hole, which is communicated with the space 5 for the passage of wires and cables. The through hole of the boss 10 is provided with a sealing cylinder 11, a sealing gasket 12 and a locking nut 13 for cooperating with the wires and cables to play a sealing role.

[0044] refer to Figure 2 , Figure 3 A mounting frame 14 is arranged above the main body 1. The mounting frame 14 is an inverted U-shaped structure. Both ends of the mounting frame 14 are respectively mounted on the side surfaces of the main body 1 by screws. A plurality of mounting waist holes 15 are provided in the middle of the mounting frame 14 for mounting on other components by screws.

[0045] refer to Figure 2 , Figure 3 , Figure 4 and Figure 5In order to further improve the explosion-proof performance of the device, the main body 1 and the end cover 2 are both made of metal materials. The main body 1 is a shell structure formed by removing half of the lower side (second end) and a part of the upper side (first end) of a sphere, that is, the side of the main body 1 is a curved structure convex outward, which can have good impact resistance to the outside, and a plurality of mutually parallel reinforcing ribs are arranged on the outer side of the main body 1, which can further improve the structural strength of the main body 1; the end cover 2 is a curved structure convex outward, and reinforcing ribs are arranged on the inner side of the end cover 2. Similarly, the impact resistance to the outside can also be increased and the structural strength of the end cover 2 can be improved; the transparent cover 3 is a hemispherical cover structure made of tempered glass, PC material or acrylic material, and the side of the transparent cover 3 is a spherical surface structure convex outward, which has good impact resistance. A hemispherical mesh cover 16 made of metal material is also arranged on the outer side of the transparent cover 3. The mesh cover 16 is installed on the fixing ring 4 by a plurality of screws. The mesh cover 16 can block the impact of large external objects on the transparent cover 3, providing the explosion-proof capability of the device.

[0046] The technical solution of the present application forms an explosion-proof enclosed space by combining a main body, an end cover and a transparent cover, and arranges electronic components such as a brightness sensor and a motion sensor in this enclosed space. At the same time, the electronic components are connected to the interior of the main body through a buffer. The buffer can absorb vibration and reduce the impact of vibration on the electronic components, thereby effectively protecting the electronic components. Moreover, the main body, the end cover, the transparent cover and other components are connected by screws, which is convenient for replacement and maintenance of the internal electronic components after disassembly. That is, the device can better protect the internal electronic components and has a good explosion-proof effect, and is suitable for use in coal mines, petroleum and petrochemical industries.

[0047] The above description is only an optional embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural transformations made by using the contents of the present application specification and drawings under the inventive concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A light-transmitting detector with explosion-proof function, characterized in that: include: A main body, wherein the first end and the second end of the main body are both open, the first end of the main body is provided with an end cap, the second end of the main body is provided with a transparent cover, the end cap is detachably and sealedly connected to the first end of the main body, the transparent cover is detachably and sealedly connected to the second end of the main body, a closed space is formed between the main body and the end cap and the transparent cover, a brightness sensor and a motion sensor are provided in the space, the brightness sensor and the motion sensor are connected to the main body via a buffer, the brightness sensor is used to detect brightness data, and the motion sensor is used to detect motion data.

2. The explosion-proof detector according to claim 1, characterized in that: The end cover is provided with an annular first connecting portion at one end facing the main body, the first connecting portion and the end cover are an integrally formed structure, the first connecting portion extends into the interior of the main body, the outer side surface of the first connecting portion is a first connecting surface, the first connecting surface is a conical surface, the diameter of the end of the first connecting surface extending into the main body is smaller than the diameter of one end where the first connecting portion is connected to the end cover main body, the first end opening of the main body is provided with a conical second connecting surface corresponding to the first connecting surface, and the first connecting surface is in contact with the second connecting surface.

3. The explosion-proof detector according to claim 2, characterized in that: A first annular notch is provided on the end surface of the end cover near the first connecting portion, and a first sealing ring is provided in the first notch.

4. The explosion-proof detector according to claim 2, characterized in that: The end cover is fixedly connected to the main body by a plurality of screws, and a plurality of second notches are formed on the end surface of the end cover near the outer side surface.

5. The explosion-proof detector according to claim 1, characterized in that: The transparent cover is installed at the second end of the main body through a fixing ring, and a ring-shaped second connecting portion is arranged at the second end of the main body. The edge of the end face of the transparent cover is located on the inner side of the second connecting portion, and an elastic ring is sleeved on the edge of the end face of the transparent cover. The elastic ring includes a sealing portion and a mounting portion. The cross section of the sealing portion is Z-shaped, and the sealing portion is located between the transparent cover and the second end face of the main body. The mounting portion is located between the end face of the transparent cover and the second connecting portion, and the mounting portion is sleeved on the edge of the end face of the transparent cover. The cross section of the fixing ring is L-shaped, and the fixing ring is pressed on the end face of the elastic ring away from the sealing portion, and the fixing ring is connected to the main body through screws.

6. The explosion-proof detector according to claim 1, characterized in that: The first circuit board, the second circuit board, and the third circuit board are sequentially arranged in the space, the first circuit board is located on a side close to the end cover, the second circuit board is located between the first circuit board and the third circuit board, the third circuit board is located on a side close to the transparent cover, the first circuit board is provided with wiring terminals, the wiring terminals are used for wiring and connection of wires and cables, the second circuit board is provided with a power supply component, the power supply component is used for providing electrical energy, and the third circuit board is provided with the brightness sensor and the motion sensor.

7. The explosion-proof detector according to claim 6, characterized in that: The buffer member includes a support member and a connecting column. The first circuit board is installed on the inner wall of the main body through a plurality of evenly distributed support members. The second circuit board is connected to the first circuit board through a plurality of connecting columns. An extension portion is provided between the third circuit board and the second circuit board. The extension portion and the main body are an integrally formed structure. The third circuit board is installed on the extension portion through a plurality of connecting columns. The support member is a C-shaped structure made of elastic material, and the connecting column is a cylindrical structure made of rubber material.

8. The explosion-proof light detector according to claim 6, characterized in that: A hemispherical light homogenizing cover is arranged in the space between the third circuit board and the transparent cover. The light homogenizing cover is mounted on the main body by a plurality of screws. The light homogenizing cover is used to evenly distribute the light projected on the third circuit board.

9. The explosion-proof light detector according to claim 5, characterized in that: The side of the main body is a curved structure convex outward, and a plurality of mutually parallel reinforcing ribs are arranged on the outer side surface of the main body. The end cover is a curved structure convex outward, and a reinforcing rib is arranged on the inner side surface of the end cover. The side of the transparent cover is a spherical surface structure convex outward, and a hemispherical mesh cover is also arranged on the outer side of the transparent cover, and the mesh cover is mounted on the fixing ring by a plurality of screws.

10. The explosion-proof detector according to claim 1, characterized in that: A mounting frame is arranged above the main body, and the mounting frame is an inverted U-shaped structure. Both ends of the mounting frame are respectively mounted on the side surfaces of the main body by screws, and a plurality of mounting waist holes are provided in the middle position of the mounting frame, and the mounting waist holes are used for mounting on other components by screws.

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