Safety explosion-proof device for gas detection and analysis

Abstract

The utility model discloses a safety explosion-proof device for gas detection and analysis, which comprises a main body unit, the main body unit comprises a shell, the inner wall of the shell is fixedly connected with a transverse plate, the side wall of the shell is fixedly connected with a rectangular box, the upper end face of the rectangular box is fixedly connected with a connecting box, a gas inlet pipe is fixedly inserted into the side wall of the shell, and a gas outlet pipe is fixedly inserted into the side wall of the shell; the upper end of the gas inlet pipe penetrates through the transverse plate, a gas outlet pipe fixedly penetrates through the upper end face of the connecting box, and the gas analyzer is symmetrically and fixedly connected with fixing rods. And the operation unit comprises a gas analyzer, and the gas analyzer is arranged in the connecting box. Through cooperative arrangement of the sliding plate, the first connecting rod, the second connecting rod, the circular plate and the spring, when the pressure intensity of the upper end of the shell is increased due to heating and generated gas, the sliding plate moves and compresses the spring, and the sliding plate moves to the rectangular opening and leaks out, so that the gas can enter the connecting box to be detected; and damage to the shell due to increase of pressure intensity can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection, in particular to a safety explosion-proof device for gas detection and analysis. Background Technique

[0002] A gas detector is an instrument and tool for detecting the concentration of gas leakage, mainly using a gas sensor to detect the types of gases existing in the environment. A gas sensor is a sensor used to detect the composition and content of gases.

[0003] In the process of gas sampling and analysis, in order to promote the effective reaction of the gas with the catalyst and generate a target gas that is easier to detect, sometimes it is necessary to pre-heat the gas. However, this heating process often causes the volume of the gas after the reaction to expand, thereby increasing the pressure inside the device. If this increase in pressure is not properly managed, it may have an adverse impact on the housing structure of the device and even cause damage. Content of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. In this part, as well as in the abstract of the specification and the title of the utility model of this application, some simplifications or omissions may be made to avoid obscuring the purpose of this part, the abstract of the specification and the title of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a safety explosion-proof device for gas detection and analysis, which solves the problem of "in the process of gas sampling and analysis, in order to promote the effective reaction of the gas with the catalyst and generate a target gas that is easier to detect, sometimes it is necessary to pre-heat the gas. However, this heating process often causes the volume of the gas after the reaction to expand, thereby increasing the pressure inside the device. If this increase in pressure is not properly managed, it may have an adverse impact on the housing structure of the device and even cause damage".

[0006] To solve the above technical problems, the utility model provides the following technical solutions:

[0007] A safety explosion-proof device for gas detection and analysis, comprising:

[0008] A main body unit, including a housing, a horizontal plate is fixedly connected to the inner wall of the housing, a rectangular box is fixedly connected to the side wall of the housing, a connecting box is fixedly connected to the upper end surface of the rectangular box, an air inlet pipe is fixedly inserted through the side wall of the housing, the upper end of the air inlet pipe penetrates through the horizontal plate, and an air outlet pipe is fixedly inserted through the upper end surface of the connecting box;

[0009] The working unit includes a gas analyzer which is arranged in a connection box. The gas analyzer is symmetrically and fixedly connected with fixing rods. One end of each of the two fixing rods facing away from each other is fixedly connected to the inner wall of the connection box. A sliding plate is slidably connected to the inner wall of the rectangular box. A plurality of first connecting rods are fixedly connected to the inner wall of the rectangular box. The sliding plate is fixedly connected with a plurality of second connecting rods. Each of the second connecting rods is provided with a circular groove. Each of the first connecting rods is fixedly connected with a circular plate. Each of the circular plates is slidably connected in the circular groove. Each of the circular plates is fixedly connected with a spring. One end of each spring facing away from the circular plate is fixedly connected to the inner wall of the circular groove. A rectangular opening is jointly opened on the upper end surface of the rectangular box and the lower end surface of the connection box. The gas analyzer is fixedly connected with a connecting pipe. The connecting pipe is fixedly connected with an intake funnel. The intake funnel is fixedly installed on the inner wall of the rectangular box. A connection port is jointly opened on the side walls of the housing and the rectangular box. A rotating rod is rotatably connected to the inner wall of the housing. A plurality of fixing sleeves are fixedly sleeved on the rotating rod. A plurality of catalyst components are symmetrically arranged on each of the fixing sleeves. A connection component is arranged in the housing.

[0010] As a preferred solution of the safety explosion-proof device for gas detection and analysis according to the present invention, each of the catalyst components includes a mounting plate and a catalyst plate. Each of the mounting plates is fixedly connected to the fixing sleeve. Each of the mounting plates is provided with a mounting cavity. Each of the catalyst plates is fixedly installed in the mounting cavity. A circular hole is opened on the side wall of each of the mounting plates.

[0011] As a preferred solution of the safety explosion-proof device for gas detection and analysis according to the present invention, the connection component includes a mounting strip and an impeller. The mounting strip is fixedly connected to the inner wall of the intake pipe. A vertical rod is rotatably inserted through the mounting strip. The impeller is fixedly sleeved on the vertical rod. A first bevel gear is fixedly sleeved on the upper end of the vertical rod. The first bevel gear is meshed with a second bevel gear. The second bevel gear is fixedly sleeved on the rotating rod.

[0012] As a preferred solution of the safety explosion-proof device for gas detection and analysis according to the present invention, a vertical plate is jointly fixedly connected to the inner wall of the housing and the lower end surface of the cross plate. A plurality of heating wires are fixedly connected between the vertical plate and the housing. An aqueous solution is arranged between the vertical plate and the inner wall of the housing.

[0013] As a preferred solution of the safety explosion-proof device for gas detection and analysis according to the present invention, a panel is fixedly connected to the side wall of the housing. The panel is provided with a display screen and a plurality of control buttons.

[0014] As a preferred solution of a safety explosion-proof device for gas detection and analysis according to the present utility model, wherein: a connecting plate is fixedly connected to the inner wall of the housing, a limiting hole is formed in the connecting plate, the rotating rod is rotatably connected in the limiting hole, and support blocks are fixedly connected to the four corners of the lower end surface of the housing.

[0015] The beneficial effects of the present utility model are as follows:

[0016] Through the cooperative setting of the sliding plate, the first connecting rod, the second connecting rod, the circular plate and the spring, when the pressure at the upper end of the housing increases due to heating and the generated gas, the sliding plate moves and compresses the spring, and the sliding plate moves to expose the rectangular opening, so that the gas can enter the connection box for detection, and damage to the housing caused by increased pressure can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts. Among them:

[0018] Figure 1 is a schematic structural diagram of a safety explosion-proof device for gas detection and analysis proposed by the present utility model;

[0019] Figure 2 is a sectional structural diagram of a safety explosion-proof device for gas detection and analysis proposed by the present utility model;

[0020] Figure 3 is a sectional structural diagram of a rectangular box and a connection box in a safety explosion-proof device for gas detection and analysis proposed by the present utility model;

[0021] Figure 4 is a schematic structural diagram of a catalyst assembly in a safety explosion-proof device for gas detection and analysis proposed by the present utility model;

[0022] Figure 5 is a partial sectional structural diagram of an air inlet pipe in a safety explosion-proof device for gas detection and analysis proposed by the present utility model.

[0023] In the figure: 100, main body unit; 101, housing; 102, horizontal plate; 103, rectangular box; 104, connection box; 105, air inlet pipe; 106, air outlet pipe; 107, panel; 108, display screen; 109, control button; 110, support block; 111, vertical plate; 112, connecting plate;

[0024] 200, Operating unit; 201, Gas analyzer; 202, Skateboard; 203, First connecting rod; 204, Second connecting rod; 205, Circular plate; 206, Spring; 207, Intake funnel; 208, Connecting pipe; 209, Fixed rod; 210, Connection port; 211, Rotating rod; 212, Fixed sleeve; 213, Catalyst assembly; 213a, Mounting plate; 213b, Catalyst plate; 214, Connecting assembly; 214a, Mounting strip; 214b, Vertical rod; 214c, Impeller; 214d, First helical gear; 214e, Second helical gear; 215, Electric heating wire. Detailed implementation mode

[0025] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific implementation mode of the present utility model will be given in conjunction with the accompanying drawings of the specification.

[0026] In the following description, many specific details are set forth in order to fully understand the present utility model, but the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0027] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation mode of the present utility model. The "in one embodiment" that appears in different places in this specification does not all refer to the same embodiment, nor is it a separate or selectively exclusive embodiment with other embodiments.

[0028] Furthermore, the present utility model is described in detail in conjunction with the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally in a non-general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width and depth should be included.

[0029] Referring to Figures 1-5 , the present utility model provides a safety explosion-proof device for gas detection and analysis, including:

[0030] The main body unit 100 includes a housing 101. A horizontal plate 102 is fixedly connected to the inner wall of the housing 101. A rectangular box 103 is fixedly connected to the side wall of the housing 101. A connection box 104 is fixedly connected to the upper end surface of the rectangular box 103. An intake pipe 105 is fixedly inserted through the side wall of the housing 101. The upper end of the intake pipe 105 penetrates through the horizontal plate 102. An outlet pipe 106 is fixedly inserted through the upper end surface of the connection box 104;

[0031] The working unit 200 includes a gas analyzer 201. The gas analyzer 201 is arranged in a connection box 104. The gas analyzer 201 is symmetrically and fixedly connected with fixing rods 209. One ends of the two fixing rods 209 facing away from each other are fixedly connected to the inner wall of the connection box 104. A sliding plate 202 is slidably connected to the inner wall of a rectangular box 103. A plurality of first connecting rods 203 are fixedly connected to the inner wall of the rectangular box 103. The sliding plate 202 is fixedly connected with a plurality of second connecting rods 204. Each second connecting rod 204 is provided with a circular groove. Each first connecting rod 203 is fixedly connected with a circular plate 205. Each circular plate 205 is slidably connected in the circular groove. Each circular plate 205 is fixedly connected with a spring 206. One end of each spring 206 facing away from the circular plate 205 is fixedly connected to the inner wall of the circular groove. A rectangular opening is commonly formed in the upper end surface of the rectangular box 103 and the lower end surface of the connection box 104. The gas analyzer 201 is fixedly connected with a connecting pipe 208. The connecting pipe 208 is fixedly connected with an intake funnel 207. The intake funnel 207 is fixedly installed on the inner wall of the rectangular box 103. A connection port 210 is commonly formed in the side walls of the housing 101 and the rectangular box 103. A rotating rod 211 is rotatably connected to the inner wall of the housing 101. A plurality of fixing sleeves 212 are fixedly sleeved on the rotating rod 211. A plurality of catalyst assemblies 213 are symmetrically arranged on each fixing sleeve 212. A connection assembly 214 is arranged in the housing 101. Through the cooperative setting of the sliding plate 202, the first connecting rods 203, the second connecting rods 204, the circular plates 205 and the springs 206, when the pressure at the upper end of the housing 101 increases due to heating and the generated gas, the sliding plate 202 moves and compresses the springs 206. The sliding plate 202 moves to the rectangular opening and leaks out, enabling the gas to enter the connection box 104 for detection, and damage to the housing 101 caused by increased pressure can be avoided.

[0032] Wherein, each catalyst assembly 213 includes a mounting plate 213a and a catalyst plate 213b. Each mounting plate 213a is fixedly connected to the fixing sleeve 212. Each mounting plate 213a is provided with a mounting cavity. Each catalyst plate 213b is fixedly installed in the mounting cavity. A circular hole is formed in the side wall of each mounting plate 213a. The gas to be detected passes through the circular hole and contacts the catalyst plate 213b.

[0033] Further, the connecting component 214 includes a mounting strip 214a and an impeller 214c. The mounting strip 214a is fixedly connected to the inner wall of the intake pipe 105. A vertical rod 214b is rotatably inserted through the mounting strip 214a. The impeller 214c is fixedly sleeved on the vertical rod 214b. A first helical gear 214d is fixedly sleeved on the upper end of the vertical rod 214b. The first helical gear 214d is meshed with a second helical gear 214e. The second helical gear 214e is fixedly sleeved on the rotating rod 211. The fluid flow drives the impeller 214c to rotate. The impeller 214c rotates through the vertical rod 214b. The vertical rod 214b drives the rotating rod 211 to rotate through the first helical gear 214d and the second helical gear 214e.

[0034] Further, a vertical plate 111 is fixedly connected to the inner wall of the housing 101 and the lower end surface of the transverse plate 102. A plurality of heating wires 215 are fixedly connected to the vertical plate 111 and the housing 101. An aqueous solution is provided between the vertical plate 111 and the inner wall of the housing 101. The heating wires 215 heat the gas to be detected entering the housing 101 through the aqueous solution, which can enhance the reaction rate of the gas to be detected.

[0035] Further, a panel 107 is fixedly connected to the side wall of the housing 101. The panel 107 is provided with a display screen 108 and a plurality of control buttons 109. The control buttons 109 can control the electrical components in the device.

[0036] Furthermore, a connecting plate 112 is fixedly connected to the inner wall of the housing 101. A limiting hole is formed in the connecting plate 112. The rotating rod 211 is rotatably connected in the limiting hole. Support blocks 110 are fixedly connected to the four corners of the lower end surface of the housing 101.

[0037] During use, the gas to be detected is introduced into the housing 101 through the intake pipe 105. The gas flow drives the impeller 214c to rotate. The impeller 214c rotates through the vertical rod 214b. The vertical rod 214b drives the rotating rod 211 to rotate through the first bevel gear 214d and the second bevel gear 214e. The rotating rod 211 drives the mounting plate 213a and the catalyst plate 213b to rotate through the fixed sleeve 212, enhancing the contact between the catalyst plate 213b and the gas to be detected. The heating wire 215 heats the gas to be detected entering the housing 101 through the aqueous solution, which can enhance the reaction rate of the gas to be detected. The heating and the generated gas increase the pressure at the upper end of the housing 101. The slide plate 202 moves and compresses the spring 206. The slide plate 202 moves to the rectangular opening and leaks out, so that the generated gas passes through the rectangular opening and enters the connection box 104. The gas enters the gas analyzer 201 from the intake funnel 207 and the connecting pipe 208. The gas analyzer 201 detects the generated gas, and the detected gas is discharged from the outlet pipe 106. Through the cooperative setting of the slide plate 202, the first connecting rod 203, the second connecting rod 204, the circular plate 205 and the spring 206, when the pressure at the upper end of the housing 101 increases due to the heating and the generated gas, the slide plate 202 moves and compresses the spring 206. The slide plate 202 moves to the rectangular opening and leaks out, enabling the gas to enter the connection box 104 for detection, and damage to the housing 101 caused by increased pressure can be avoided.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A safety explosion-proof device for gas detection and analysis, characterized in that: include: The main unit (100) comprises a shell (101), a transverse plate (102) is fixedly connected to the inner wall of the shell (101), a rectangular box (103) is fixedly connected to the side wall of the shell (101), a connection box (104) is fixedly connected to the upper end surface of the rectangular box (103), an air inlet pipe (105) is fixedly inserted through the side wall of the shell (101), the upper end of the air inlet pipe (105) passes through the transverse plate (102), and an air outlet pipe (106) is fixedly inserted through the upper end surface of the connection box (104); The operating unit (200) comprises a gas analyzer (201), wherein the gas analyzer (201) is arranged in a connection box (104), and the gas analyzer (201) is symmetrically fixedly connected to fixed rods (209), and the opposite ends of the two fixed rods (209) are fixedly connected to the inner wall of the connection box (104), and a slide plate (202) is slidably connected to the inner wall of the rectangular box (103), and a plurality of No. 1 connecting rods (203) are fixedly connected to the inner wall of the rectangular box (103), and the slide plate (202) is fixedly connected to a plurality of No. 2 connecting rods (204), and each of the No. 2 connecting rods (204) is provided with a circular groove, and each of the No. 1 connecting rods (203) is fixedly connected to a circular plate (205), and each of the circular plates (205) is slidably connected in the circular groove, and each of the circular plates (205) is fixedly connected to a spring (206), and each One end of each of the springs (206) facing away from the circular plate (205) is fixedly connected to the inner wall of the circular groove; the upper end surface of the rectangular box (103) and the lower end surface of the connecting box (104) are jointly provided with a rectangular opening; the gas analyzer (201) is fixedly connected to a connecting pipe (208); the connecting pipe (208) is fixedly connected to an air intake funnel (207); the air intake funnel (207) is fixedly installed on the inner wall of the rectangular box (103); a connecting opening (210) is jointly provided on the side wall of the shell (101) and the rectangular box (103); a rotating rod (211) is rotatably connected to the inner wall of the shell (101); a plurality of fixed sleeves (212) are fixedly sleeved on the rotating rod (211); a plurality of catalyst assemblies (213) are symmetrically arranged on each of the fixed sleeves (212); and a connecting assembly (214) is arranged in the shell (101).

2. The safety explosion-proof device for gas detection and analysis according to claim 1, wherein: Each of the catalyst assemblies (213) comprises a mounting plate (213a) and a catalyst plate (213b); each of the mounting plates (213a) is fixedly connected to the fixing sleeve (212); each of the mounting plates (213a) is provided with a mounting cavity; each of the catalyst plates (213b) is fixedly installed in the mounting cavity; and each of the mounting plates (213a) has a side wall provided with a circular hole.

3. The safety explosion-proof device for gas detection and analysis according to claim 1, characterized in that: The connecting component (214) includes a mounting strip (214a) and an impeller (214c). The mounting strip (214a) is fixedly connected to the inner wall of the intake pipe (105). A vertical rod (214b) is rotatably inserted through the mounting strip (214a). The impeller (214c) is fixedly sleeved on the vertical rod (214b). A first bevel gear (214d) is fixedly sleeved on the upper end of the vertical rod (214b). The first bevel gear (214d) is meshed with a second bevel gear (214e). The second bevel gear (214e) is fixedly sleeved on the rotating rod (211).

4. A safety explosion-proof device for gas detection and analysis according to claim 1, characterized in that: A vertical plate (111) is fixedly connected to the inner wall of the housing (101) and the lower end surface of the transverse plate (102). A plurality of heating wires (215) are fixedly connected to the vertical plate (111) and the housing (101). An aqueous solution is provided between the vertical plate (111) and the inner wall of the housing (101).

5. A safety explosion-proof device for gas detection and analysis according to claim 1, characterized in that: A panel (107) is fixedly connected to the side wall of the housing (101). The panel (107) is provided with a display screen (108) and a plurality of control buttons (109).

6. The safety explosion-proof device for gas detection and analysis according to claim 1, characterized in that: A connecting plate (112) is fixedly connected to the inner wall of the housing (101). A limiting hole is formed in the connecting plate (112). The rotating rod (211) is rotatably connected in the limiting hole. Support blocks (110) are fixedly connected to the four corners of the lower end surface of the housing (101).

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