Bright running detector with explosion-proof function

By designing an explosion-proof enclosed space and a buffer connection structure in the Liangyun detector, the problems of the Liangyun detector's lack of explosion-proofness and inconvenient maintenance were solved, and its application in coal mining and petroleum and petrochemical industries was realized.

CN119533648BActive Publication Date: 2025-10-14SHENZHEN SEVA LIGHTING CO LTD +2
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Patent Information

Application Number
CN202411766422.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-10-14
Estimated Expiration
2044-12-04

AI Technical Summary

Technical Problem

The existing Liangyun detectors do not have explosion-proof functions and are inconvenient to install and maintain, making them difficult to use in industries such as coal mining, petroleum and petrochemicals.

Method used

A brightness detector with explosion-proof function is designed. The main body, end cover and transparent cover are combined into a closed space. Brightness sensor and motion sensor are set inside and connected by buffer parts. Screw connection is used for easy disassembly and maintenance.

Benefits of technology

It achieves effective protection for electronic components, has good explosion-proof performance, is suitable for use in coal mines and petroleum and petrochemical industries, and is easy to install and maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a bright operation 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 and sealingly connected with the first end of the main body, the transparent cover is detachably and sealingly connected with the second end of the main body, a closed space is formed between the main body and the end cover and the transparent cover, a brightness sensor and a motion sensor are arranged in the space, the brightness sensor and the motion sensor are connected with the main body through a buffer, the brightness sensor is used for detecting brightness data, and the motion sensor is used for detecting motion data; the device can better protect the internal electronic elements, has a better explosion-proof effect, and is suitable for use in the coal mine, petroleum and petrochemical industries.
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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] A brightness detector is a device used to measure light brightness. It measures brightness by receiving light and converting it into an electrical signal. It is commonly used in scientific research, industrial testing, and optical simulation. A motion detector is an electronic device that uses a sensor to detect nearby people or objects. It triggers an alarm by sensing movement. It features high sensitivity and a low false alarm rate, and is primarily used for security monitoring and automatic alarms.

[0003] A brightness detector is a detector that combines a brightness detector and a motion detector. It can detect ambient light brightness and human or object motion 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 LIYU detectors generally lack explosion-proof functionality and are primarily suitable for use in non-explosion-proof indoor locations such as offices, warehouses, factories, hotels, and roadway lighting, or are only suitable for use in general explosion-proof areas. Furthermore, existing LIYU detectors present issues such as inconvenient installation and maintenance. In summary, existing LIYU detectors are generally unsuitable for use in industries such as coal mining, petroleum, and petrochemicals. Therefore, to meet these industry demands, upgrading and retrofitting existing LIYU detectors is necessary. 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 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 cover, the second end of the main body is provided with a transparent cover, the end cover 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 cover 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, 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 the end where the first connecting portion is connected to the end cover main body, the first end opening of the main body is set to a conical second connecting surface 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 further provided on the end surface of the end cover near the outer side surface.

[0010] Optionally, the transparent cover is mounted on the second end of the main body through a fixing ring, and a ring-shaped second connecting portion is provided at the second end of the main body. The end face edge of the transparent cover is located on the inner side of the second connecting portion, and the end face edge of the transparent cover is sleeved with an elastic ring, and 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 end face edge 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 by 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 and third circuit boards, and the third circuit board is located on a side close to the transparent cover. The first circuit board is provided with wiring terminals, which are used for wiring and connecting wires and cables. The second circuit board is provided with a power supply component, which is used to provide electrical energy. The brightness sensor and the motion sensor are provided on the third circuit board.

[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 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.

[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. 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 provided on the outer side surface of the main body, the end cover is a curved structure convex outward, and reinforcing ribs are provided 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 provided 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 bracket is provided above the main body, and the mounting bracket is an inverted U-shaped structure. The two ends of the mounting bracket 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 bracket, and the mounting waist holes are used to be mounted 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 facilitates the 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, and other 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 following briefly introduces the drawings required for use in the embodiments or the description of the prior art. 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 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 in 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 in this application;

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

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

[0024] Figure 7 For this application Figure 4 A magnified schematic diagram of the local structure at point 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 uniformity 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 objectives, 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 this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts 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 accompanying drawings, and are only for the convenience of describing this 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 this 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 for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such 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 in which A and B are satisfied at the same time. 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 mutually contradictory or cannot be implemented, it should be deemed 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 efficacy and purpose that can be achieved by this application.

[0034] Existing LIYU detectors generally lack explosion-proof functionality and are primarily suitable for use in non-explosion-proof indoor locations such as offices, warehouses, factories, hotels, and roadway lighting, or are only suitable for use in general explosion-proof areas. Furthermore, existing LIYU detectors present issues such as inconvenient installation and maintenance. In summary, existing LIYU detectors are generally unsuitable for use in industries such as coal mining, petroleum, and petrochemicals. Therefore, to meet these industry demands, upgrading and retrofitting existing LIYU detectors is necessary.

[0035] In view of this, the present application proposes a brightness detector with explosion-proof function, comprising: a main body 1, 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 cover 2, the second end of the main body 1 is provided with a transparent cover 3, the end cover 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 cover 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 light detector includes: 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 cover 2, and the end cover 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 cover 2 are an integrally formed structure. The first connecting portion 210 extends into the interior of the main body 1. The first connecting portion The outer side surface of 210 is the first connecting surface 211, which is a conical surface. The diameter of the 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 part 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 enhance 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 multiple 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 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. 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. 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 a ring-shaped 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, and 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. 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 in 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 the 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 the side close to the transparent cover 3. The first circuit board 510 is provided with wiring terminals, which are used for wiring and connecting wires and cables. The second circuit board 520 is provided with a power supply component, which is used to provide electrical energy. The third circuit board 530 is provided with a brightness sensor and a motion sensor, which are used to detect 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, and an extension portion 130 is provided 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. 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-uniform cover 9 is provided in the space 5 between the third circuit board 530 and the transparent cover 3. The light-uniform cover 9 is mounted on the main body 1 by a plurality of screws. The light-uniform 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 There are cylindrical bosses 10 symmetrically distributed on the outside of the main body 1. A through hole is opened inside the boss 10, which is connected to the space 5 for the passage of wires and cables. A sealing cylinder 11, a sealing gasket 12 and a tightening nut 13 are arranged in the through hole of the boss 10 to cooperate with the wires and cables to play a sealing role.

[0044] refer to Figure 2 、 Figure 3 A mounting bracket 14 is provided above the main body 1. The mounting bracket 14 is an inverted U-shaped structure. The two ends of the mounting bracket 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 position of the mounting bracket 14 for mounting on other components by screws.

[0045] refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 5, in order to further improve the explosion-proof performance of the device, the main body 1 and the end cover 2 are made of metal material, the main body 1 is a shell structure formed by removing the lower side (second end) half and the upper side (first end) part, that is, the side of the main body 1 is a curved structure outwardly convex, which can have better impact resistance to the outside, and a plurality of 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 outwardly convex, and reinforcing ribs are arranged on the inner surface of the end cover 2, so that the impact resistance to the outside can 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, the side of the transparent cover 3 is a spherical surface structure outwardly convex, which has good impact resistance, and a hemispherical mesh cover 16 made of metal material is further 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, and the mesh cover 16 can block the impact of the transparent cover 3 by the large volume of external material, thereby providing the explosion-proof capability of the device.

[0046] The technical scheme of the present application combines the main body, the end cover and the transparent cover into a closed explosion-proof space, and sets the electronic components such as the brightness sensor and the motion sensor in the closed space, and at the same time, connects the electronic components with the inside of the main body through the buffer, which can absorb vibration and reduce the influence of vibration on the electronic components, thereby effectively protecting the electronic components, and the main body, the end cover and the transparent cover are connected by screws, which is convenient for disassembly, replacement and maintenance of the internal electronic components, that is, the device can effectively protect the internal electronic components, has good explosion-proof effect, and is suitable for use in coal mines, petroleum and petrochemical industries.

[0047] The above is only an optional embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields based on the inventive concept of the present application and the contents of the specification and drawings are included in the patent protection scope of the present application.

Claims

1. A light detector with explosion-proof function, characterized in that: include: A main body, wherein both the first end and the second end of the main body are open, an end cap is provided at the first end of the main body, and a transparent cover is provided at the second end of the main body, the end cap is detachably and sealedly connected to the first end of the main body, and 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, 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 being connected to the main body via a buffer, the brightness sensor being used to detect brightness data, and the motion sensor being used to detect motion data; A first circuit board, a second circuit board, and a third circuit board are sequentially arranged in the space, wherein the first circuit board is located on a side close to the end cover, the second circuit board is located between the first and third circuit boards, and the third circuit board is located on a side close to the transparent cover. The first circuit board is provided with wiring terminals, which are used for wiring and connecting wires and cables. The second circuit board is provided with a power supply component, which is used to provide electrical energy. The third circuit board is provided with the brightness sensor and the motion sensor. The main body is made of metal material, an extension portion is provided between the third circuit board and the second circuit board, and the extension portion and the main body are integrally formed; 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 multiple evenly distributed support members. The second circuit board is connected to the first circuit board through multiple connecting columns. The third circuit board is installed on the extension part through multiple 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.

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 the 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 provided 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 mounted on the second end of the main body through a fixing ring. The second end of the main body is provided with a ring-shaped second connecting portion. The end face edge of the transparent cover is located on the inner side of the second connecting portion. The end face edge of the transparent cover is sleeved with an elastic ring. The elastic ring includes a sealing portion and a mounting portion. The cross-section of the sealing portion is Z-shaped. 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 end face edge of the transparent cover. The cross-section of the fixing ring is L-shaped. 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 by screws.

6. The explosion-proof detector according to claim 1, characterized in that: 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. The light homogenizing cover is used to evenly distribute the light projected on the third circuit board.

7. The explosion-proof 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 provided on the outer side surface of the main body. The end cover is a curved structure convex outward, and a reinforcing rib is provided 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 provided on the outer side of the transparent cover. The mesh cover is mounted on the fixing ring by a plurality of screws.

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

Citation Information

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