CN213600669U - Explosion-proof structure of diffusion type gas detection probe - Google Patents
Explosion-proof structure of diffusion type gas detection probe Download PDFInfo
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- CN213600669U CN213600669U CN202022474961.XU CN202022474961U CN213600669U CN 213600669 U CN213600669 U CN 213600669U CN 202022474961 U CN202022474961 U CN 202022474961U CN 213600669 U CN213600669 U CN 213600669U
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Abstract
The utility model belongs to the technical field of gaseous check out test set. A diffusion type gas detection probe explosion-proof structure comprises a base, a circuit board, an upper cover, a sensor seat and a diffusion cover, wherein an installation groove is formed in the base, and an assembly hole communicated with the installation groove is formed in the side part of the base; the circuit board is arranged in the mounting groove; the upper cover is arranged on the upper part of the mounting groove in a matching way; the sensor seat is in matched and sealed connection with the assembly hole, a sensor is arranged in the sensor seat, and the sensor is connected with the circuit board through a wire; the diffusion cover is arranged at the outer end of the sensor base in a matching mode, the sensor is arranged between the sensor base and the diffusion cover in a matching mode in a pressing mode, a hollow cover opening is formed in the middle of the diffusion cover, an assembly table is arranged in the cover opening, and a flame-retardant sheet is arranged on the assembly table in a matching mode. This application overall structure reasonable in design has good explosion-proof performance, can be in the corresponding gas of accurate detection of explosive environment, and the reliability is high, and is longe-lived.
Description
Technical Field
The utility model belongs to the technical field of gaseous check out test set, especially, relate to a gaseous test probe explosion-proof construction of diffusion formula.
Background
In industry and life, various gases are generated, which are harmful to the environment or cause dangerous situations. Many of the gases exist in explosive environments or are flammable and explosive gases, so how to accurately detect the gases provides more reliable safety guarantee for the industry and life of people is always the focus of research in related fields.
Disclosure of Invention
The utility model discloses the purpose is to the problem that the aforesaid exists and not enough, provides a gaseous test probe explosion-proof construction of diffusion formula, and its overall structure reasonable in design has good explosion-proof performance, can be in the corresponding gas of accurate detection of explosive environment, and the reliability is high, longe-lived.
In order to realize the purpose, the adopted technical scheme is as follows:
a diffusion type gas detection probe explosion-proof structure comprises:
the device comprises a base, a base and a clamping piece, wherein a mounting groove is formed in the base, and an assembling hole communicated with the mounting groove is formed in the side part of the base;
the circuit board is arranged in the mounting groove;
the upper cover is arranged at the upper part of the mounting groove in a matching way;
the sensor seat is matched and hermetically connected with the assembly hole, a sensor is arranged in the sensor seat, and the sensor is connected with the circuit board through a wire; and
the diffusion cover is arranged at the outer end of the sensor base in a matched mode, the sensor is arranged between the sensor base and the diffusion cover in a matched mode in a pressed mode, a hollow cover opening is formed in the middle of the diffusion cover, an assembly table is arranged in the cover opening, and a flame-retardant sheet is arranged on the assembly table in a matched mode.
According to the utility model discloses gaseous test probe blast resistant construction of diffusion formula, preferably, the upper cover with the base passes through threaded connection fixed, just is in the upper cover with be provided with the sealing washer between the base.
According to the utility model discloses gaseous test probe blast resistant construction of diffusion formula, preferably, the upper cover middle part is provided with explosion-proof glass window, on cover and be provided with spacing platform, explosion-proof glass window is fixed through inboard first clamping ring in the upper cover, just explosion-proof glass window with it is sealed gluey to be provided with epoxy between the upper cover.
According to the utility model discloses gaseous detection probe blast resistant construction of diffusion formula, preferably, the rear end of sensor seat is provided with the connector that has the external screw thread end, be provided with in the pilot hole with the internal thread section that the connector matches, sensor seat with be provided with the sealing washer between the base, just the connector intussuseption is filled with epoxy and is sealed gluey, the electric wire passes epoxy seal glue with the circuit board is connected.
According to the utility model discloses gaseous test probe blast resistant construction of diffusion formula, preferably, be provided with the second clamping ring between fire-retardant piece and the sensor, the sensor with be provided with the sealing washer between the diffusion cover, fire-retardant piece with it is sealed gluey to be provided with epoxy between the diffusion cover.
According to the utility model discloses gaseous test probe blast resistant construction of diffusion formula, preferably, the front end of sensor seat with the diffusion cover passes through threaded connection.
According to the utility model discloses gaseous test probe blast resistant construction of diffusion formula, preferably, the base rear end is provided with a plurality of assembly otic placodes.
According to the utility model discloses gaseous test probe blast resistant construction of diffusion formula, preferably, the lateral part of base still corresponds and is provided with explosion-proof sealed box and waterproof sealing end cap.
By adopting the technical scheme, the beneficial effects are as follows:
this application overall structure reasonable in design, it has good explosion-proof performance, can be in the corresponding gas of accurate detection of explosive environment, and the reliability is high, and is longe-lived.
This application is through the structural design to base and sensor seat for connection structure between each part can ensure sealed, has ensured the sealed separation of circuit board and sensor, thereby has improved its explosion-proof performance, this application carries out the sealed of different positions through sealed glue of sealing washer and epoxy in connection structure, thereby optimized different positions, the seal structure of different assembly methods, and make the practicality of whole equipment stronger, structural stability is better, assembly effect and result of use can obtain effectual promotion, more have market competition.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic structural diagram of a diffusion type gas detection probe explosion-proof structure according to the embodiment of the present invention.
FIG. 2 is a schematic view of the structure in the direction of A-A in FIG. 1
Fig. 3 is a schematic perspective view of an explosion-proof structure of a diffusion type gas detection probe according to an embodiment of the present invention.
Number in the figure:
100 is a base, 101 is a mounting groove, 102 is an assembly hole, 103 is an explosion-proof sealing box, 104 is a waterproof sealing plug, 105 is an assembly lug plate, 106 is a circuit board, and 107 is an electric wire;
200 is an upper cover, 201 is a first pressing ring, 202 is an explosion-proof glass window, 203 is epoxy resin sealant, and 204 is a sealing ring;
a sensor holder 300, a sensor 301, a diffusion cover 302, a flame-retardant sheet 303, a second pressing ring 304, and a connecting head 305.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.
It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
Referring to fig. 1-3, the application discloses a diffusion type gas detection probe explosion-proof structure, which comprises a base 100, a circuit board 106, an upper cover 200, a sensor seat 300 and a diffusion cover 302, wherein the base 100 is internally provided with a mounting groove 101, and the side part of the base 100 is provided with an assembly hole 102 communicated with the mounting groove 101; the circuit board 106 is arranged in the mounting groove 101; the upper cover 200 is arranged at the upper part of the mounting groove 101 in a matching way; the sensor seat 300 is in matching and sealing connection with the assembly hole 102, a sensor 301 is arranged in the sensor seat 300, and the sensor 301 is connected with the circuit board 106 through an electric wire 107; the diffusion cover 302 is arranged at the outer end of the sensor base 300 in a matching mode, the sensor 301 is arranged between the sensor base 300 and the diffusion cover 302 in a matching mode in a pressing mode, a hollow cover opening is formed in the middle of the diffusion cover 302, an assembly table is arranged in the cover opening, and the flame-retardant sheet 303 is arranged on the assembly table in a matching mode.
In this embodiment, the upper cover 200 is fixed to the base 100 by a screw thread, and a sealing ring 204 is disposed between the upper cover 200 and the base 100. Further, an explosion-proof glass window 202 is arranged in the middle of the upper cover 200, a limiting table is arranged on the upper cover 200, the explosion-proof glass window 202 is fixed in the upper cover 200 through a first pressing ring 201 on the inner side, and epoxy resin sealant 203 is arranged between the explosion-proof glass window 202 and the upper cover 200. Realize sealing through the sealing washer between the upper cover of this application and the base, it is sealed through epoxy between explosion-proof glass window and the upper cover to make this port of base realize effectual sealed, and structural stability is good, really helps realizing overall structure's stability and explosion-proof performance.
In this embodiment, the rear end of the sensor seat 300 is provided with a connector 305 with an external thread end, an internal thread section matched with the connector 305 is arranged in the assembly hole 102, a sealing ring 204 is arranged between the sensor seat 300 and the base 100, an epoxy resin sealant 203 is filled in the connector 305, and the electric wire 107 passes through the epoxy resin sealant and is connected with the circuit board 106. Preferably, a second pressing ring 304 is arranged between the flame-retardant sheet 303 and the sensor, a sealing ring 204 is arranged between the sensor 301 and the diffusion cover 302, and an epoxy resin sealant 203 is arranged between the flame-retardant sheet and the diffusion cover.
Further, the front end of the sensor holder 300 in this embodiment is screwed to the diffusion cover 302, and a plurality of mounting lugs 105 are provided at the rear end of the base 100 for fixed connection. An explosion-proof sealing box 103 and a waterproof sealing plug 104 are correspondingly arranged on the side of the base 100.
This application is through the split type design of above-mentioned structure for sensor circuit board obtains effectual sealed isolation, thereby improves the stability and the explosion-proof performance of structure, helps carrying out corresponding gaseous accurate detection, and the reliability is high, long service life in the explosive environment.
Explosion-proof glass window in this application chooses explosion-proof toughened glass material of thickness 10mm for use. The base and the upper cover are made of aluminum alloy materials, and the weight is light and the strength is high.
The diffusion cover and the sensor seat are made of stainless steel.
The base, the upper cover, the explosion-proof stuffing box, the glass window, the thread with a certain length, the epoxy glue seal and the sealing ring isolate the circuit board and the like from external explosive gas, and have good explosion-proof performance.
The gas sensor is isolated from the circuit board through an epoxy glue seal; the flame-retardant sheet, the diffusion cover and the gas sensor are sealed by the sealing ring and the glue to form relatively independent spaces, so that the requirements of gas diffusion detection can be met, combustion can be blocked, and an explosion-proof effect is achieved.
While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.
Claims (8)
1. A diffusion type gas detection probe explosion-proof structure is characterized by comprising:
the device comprises a base, a base and a clamping piece, wherein a mounting groove is formed in the base, and an assembling hole communicated with the mounting groove is formed in the side part of the base;
the circuit board is arranged in the mounting groove;
the upper cover is arranged at the upper part of the mounting groove in a matching way;
the sensor seat is matched and hermetically connected with the assembly hole, a sensor is arranged in the sensor seat, and the sensor is connected with the circuit board through a wire; and
the diffusion cover is arranged at the outer end of the sensor base in a matched mode, the sensor is arranged between the sensor base and the diffusion cover in a matched mode in a pressed mode, a hollow cover opening is formed in the middle of the diffusion cover, an assembly table is arranged in the cover opening, and a flame-retardant sheet is arranged on the assembly table in a matched mode.
2. A diffusion type gas detection probe explosion-proof structure as claimed in claim 1, wherein the upper cover and the base are fixed by screw connection, and a sealing ring is provided between the upper cover and the base.
3. The explosion-proof structure of a diffusion-type gas detection probe of claim 1, wherein an explosion-proof glass window is arranged in the middle of the upper cover, a limit table is arranged on the upper cover, the explosion-proof glass window is fixed in the upper cover through a first pressing ring on the inner side, and epoxy resin sealant is arranged between the explosion-proof glass window and the upper cover.
4. The explosion-proof structure of a diffusion type gas detection probe of claim 1, wherein a connector with an external thread end is arranged at the rear end of the sensor seat, an internal thread section matched with the connector is arranged in the assembly hole, a sealing ring is arranged between the sensor seat and the base, an epoxy resin sealant is filled in the connector, and the electric wire passes through the epoxy resin sealant and is connected with the circuit board.
5. The explosion-proof structure of a diffusion-type gas detection probe of claim 1, wherein a second pressing ring is arranged between the flame-retardant sheet and the sensor, a sealing ring is arranged between the sensor and the diffusion cover, and an epoxy resin sealant is arranged between the flame-retardant sheet and the diffusion cover.
6. A diffusion type gas detection probe explosion-proof structure according to claim 1, wherein the front end of the sensor holder is connected with the diffusion cover by a screw thread.
7. A diffusion type gas detection probe explosion-proof structure as claimed in claim 1, wherein a plurality of fitting lugs are provided at a rear end of the base.
8. A diffusion type gas detection probe explosion-proof structure as claimed in claim 1, wherein the side of the base is further provided with an explosion-proof sealing box and a waterproof sealing plug correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022474961.XU CN213600669U (en) | 2020-10-31 | 2020-10-31 | Explosion-proof structure of diffusion type gas detection probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022474961.XU CN213600669U (en) | 2020-10-31 | 2020-10-31 | Explosion-proof structure of diffusion type gas detection probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213600669U true CN213600669U (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022474961.XU Active CN213600669U (en) | 2020-10-31 | 2020-10-31 | Explosion-proof structure of diffusion type gas detection probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213600669U (en) |
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2020
- 2020-10-31 CN CN202022474961.XU patent/CN213600669U/en active Active
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