CN214097364U - Novel point type gas detector - Google Patents
Novel point type gas detector Download PDFInfo
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- CN214097364U CN214097364U CN202023283687.4U CN202023283687U CN214097364U CN 214097364 U CN214097364 U CN 214097364U CN 202023283687 U CN202023283687 U CN 202023283687U CN 214097364 U CN214097364 U CN 214097364U
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Abstract
The utility model discloses a novel point type gas detector, including casing subassembly and detecting head, the detecting head includes conjuncted, cavity and air collecting chamber, go up conjuncted upper end can dismantle the connection and be in on the casing subassembly, go up conjuncted lower extreme can dismantle the connection and be in the cavity, a plurality of lightening holes have been seted up on the cavity, be equipped with a plurality of diffusion holes on the face of cylinder of air collecting chamber, the diffusion hole with the gas collection hole the accent three communicates each other, be equipped with gas sensor in the cavity, be equipped with the control unit in the casing subassembly, gas sensor with the control unit links to each other. The utility model discloses a institutional advancement solves the problem in the background art, has reduced the input of preparation material, when practicing thrift the cost of manufacture, improves the detection effect when some type gas detector uses, has reduced the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of gaseous detection, especially, relate to a novel some type gas detector.
Background
A gas detector is an instrument that detects the concentration of a gas. The instrument is suitable for dangerous places with combustible or toxic gas, and can continuously detect the content of the detected gas in the air within the lower explosion limit for a long time. The device can be widely applied to various industries with combustible or toxic gas such as gas, petrochemical industry, metallurgy, steel, coking, electric power and the like, and is an ideal monitoring instrument for ensuring property and personal safety.
The existing point-type gas detector can detect the surrounding gas environment, and after the detection is carried out by a sensor, the detected signal is displayed by a display screen, but in the point-type gas detector in the prior art, a detection head is formed by casting and assembling a single part through a pure aluminum block, and the prepared detection head is connected to a shell assembly, so that the point-type gas detector is slightly heavy and wastes manufacturing materials; in addition, only one air inlet is arranged on the detection head, air can only diffuse gradually, and enters the detection head from top to bottom in the vertical direction, the detection effect is not sensitive, and the content of the air required to be detected around the point type air detector cannot be detected in real time, so that certain potential safety hazard is caused, and therefore, improvement on the prior art is needed to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to prior art not enough, the utility model aims to provide a novel some type gas detector solves the problem in the background art, has reduced the input of preparation material, when practicing thrift the cost of manufacture, improves the detection effect when some type gas detector uses, has reduced the potential safety hazard.
The utility model discloses a realize through following technical scheme:
the utility model provides a novel point type gas detector, includes casing subassembly and detecting head, the connecting can be dismantled to the detecting head on the casing subassembly, its characterized in that: the detecting head comprises an upper connector, a cavity and a gas collecting chamber, the upper end of the upper connector is detachably connected to the shell assembly, the lower end of the upper connector is detachably connected to the inside of the cavity, the cavity is provided with a plurality of lightening holes and is circumferentially distributed on the wall of the cavity, a hollow cavity hole is arranged in the cavity, the gas collecting chamber is provided with a plurality of gas collecting holes, the gas collecting holes are vertically arranged at the lower end of the gas collecting chamber, the cylindrical surface of the gas collecting chamber is provided with a plurality of diffusion holes, the diffusion holes are mutually communicated with the gas collecting holes and the cavity hole, a gas sensor is arranged in the cavity, a control unit is arranged in the shell assembly, and the gas sensor is connected with the control unit.
The utility model discloses a further improvement scheme is, the gas collection hole with the diffusion hole sets up perpendicularly mutually.
The utility model discloses a further improvement is, be equipped with the clamping ring between cavity and the collection chamber, clamping ring threaded connection be in the cavity, just the bottom surface of clamping ring is supported the upper end of collection chamber.
The utility model discloses a further improvement scheme is, the clamping ring with the cavity the plenum chamber three sets up with one heart.
The utility model discloses a further improvement is, the casing subassembly includes explosion-proof terminal box, the rigid coupling has audible-visual annunciator on the explosion-proof terminal box, audible-visual annunciator with the control unit links to each other.
The utility model discloses a further improvement is, the control unit includes output module and embedded microcomputer control module, embedded microcomputer control module respectively with output module gas sensor links to each other, output module meets with the display screen.
The utility model discloses a further improvement is, go up conjuncted upper end threaded connection be in on the casing subassembly, go up conjuncted lower extreme threaded connection be in the cavity.
Compared with the prior art, the utility model discloses a novel some type gas detector has following obvious advantage:
1. a plurality of lightening holes are formed in the cavity, the lightening holes are circumferentially distributed on the wall of the cavity, a lightening hole forming mode is adopted on the cavity, a detecting head can be indirectly lightened, manufacturing cost is saved, aluminum strip waste materials generated due to the fact that the lightening holes are formed can be made into the cavity through recycling and remelting, and the novel point-type gas detector conforms to the concept of green development.
2. The utility model provides a novel point type gas detector, is equipped with a plurality of diffusion holes on the face of cylinder of collection chamber, and the diffusion hole communicates with gas collecting hole, accent hole three each other, and the air not only can get into the accent from the gas collecting hole in, and reentrant gas sensor is last to detect, also can follow the diffusion hole and diffuse to the accent in, detects, improves the detection effect when point type gas detector uses.
3. The utility model provides a novel some type gas detector, is equipped with the clamping ring between cavity and the collection chamber, and clamping ring threaded connection is in the cavity, and the bottom surface of clamping ring supports the upper end at the collection chamber, and the setting of clamping ring can make the accurate location of collection chamber, can guarantee the stability between two parts of cavity and collection chamber simultaneously to reduced and led to the fact the possibility of damaging because of the partial structure of cavity and collection chamber behind the strong striking.
Drawings
The above features, technical features, advantages and modes of realisation of the present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is the overall structure diagram of a novel point-type gas detector
FIG. 2 is a cross-sectional view of the whole structure of the probe head of the novel point-type gas detector
FIG. 3 is a schematic view of the upper connection body structure of the present invention
FIG. 4 is a schematic view of the cavity structure of the present invention
FIG. 5 is a schematic view of the pressing ring structure of the present invention
FIG. 6 is a schematic view of the gas collection chamber of the present invention
In the figure, 1-a shell assembly, 11-an explosion-proof Glan head, 12-an explosion-proof junction box, 13-an audible and visual alarm, 2-a detecting head, 21-an upper connector, 22-a cavity, 23-a gas collecting chamber, 24-a pressing ring, 3-a diffusion hole, 4-a gas collecting hole, 5-a lightening hole and 6-a cavity hole.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-5, the present embodiment provides a novel point type gas detector, which comprises a housing assembly 1 and a detecting head 2, wherein the detecting head 2 is detachably connected to the housing assembly 1, the detecting head 2 comprises an upper connector 21, a cavity 22 and a gas collecting chamber 23, the upper end of the upper connector 21 is detachably connected to the housing assembly 1, the lower end of the upper connector 21 is detachably connected to the cavity 22, 12 lightening holes 5 are formed in the cavity 22, the gas collecting chamber is circumferentially distributed on the wall of the chamber 22, a hollow cavity hole 6 is arranged in the chamber 22, 7 gas collecting holes 4 are arranged on the gas collecting chamber 23, the gas collecting holes 4 are vertically arranged at the lower end of the gas collecting chamber 23, 8 diffusion holes 3 are arranged on the cylindrical surface of the gas collecting chamber 23, the diffusion holes 3 are communicated with the gas collecting holes 4 and the cavity hole 6, a gas sensor is arranged in the chamber 22, a control unit is arranged in the shell assembly 1, and the gas sensor is connected with the control unit.
The gas collecting holes 4 are vertical to the diffusion holes 3.
A pressing ring 24 is arranged between the cavity 22 and the gas collection chamber 23, the pressing ring 24 is in threaded connection in the cavity 22, and the bottom surface of the pressing ring 24 abuts against the upper end of the gas collection chamber 23.
The pressing ring 24, the cavity 22 and the air collection chamber 23 are concentrically arranged.
The shell assembly 1 comprises an explosion-proof junction box 12, an audible and visual alarm 13 is fixedly connected to the explosion-proof junction box 12, and the audible and visual alarm 13 is connected with the control unit.
The control unit comprises an output module and an embedded microcomputer control module, the embedded microcomputer control module is respectively connected with the output module and the gas sensor, and the output module is connected with the display screen.
The upper end of the upper union body 21 is in threaded connection with the shell assembly 1, and the lower end of the upper union body 21 is in threaded connection with the cavity 22.
When the gas detection device works, gas in a chamber to be detected enters the gas collection chamber 23 through the gas collection hole 4, the gas is diffused into the gas collection chamber 3 through the diffusion hole 3, and then enters the cavity 22, when a gas sensor arranged in the cavity 22 detects the content of specific gas to be detected, the variable quantity is converted into an electric signal and is transmitted to the microcomputer control module, the embedded microcomputer control module transmits the electric signal to the output module, the output module is connected with the display screen, and the output module can directly display the content of the specific gas to be detected in the chamber on the display screen through measurement and calculation. When the content of the specific gas to be detected exceeds a preset alarm threshold value, the control unit controls the audible and visual alarm to give an alarm, and field inspection personnel can know that the content of the specific gas to be detected in the room exceeds the preset threshold value and make a reasonable emergency response mode.
The novel point-type gas detector can also be connected with a computer DCS system, an output module uploads measured values after detection to the computer DCS system according to a certain numerical relationship, and an operator does not need to go to the site and can observe the condition of the site in real time from a computer.
12 lightening holes are formed in the cavity 6, the lightening holes are circumferentially distributed on the cavity wall of the cavity 6, the lightening holes 5 are formed in the cavity 6, the detector head 2 can be indirectly lightened, the manufacturing cost is saved, aluminum bar waste materials generated by the lightening holes 5 can be recycled and remelted to form the cavity 6, and the green development concept is met.
The cylindrical surface of the gas collection chamber 23 is provided with 8 diffusion holes 3, the diffusion holes 3 are communicated with the gas collection holes 4 and the cavity holes 6, air can enter the cavity holes 6 from the gas collection holes 4 and then enter the gas sensor for detection, and the air can also diffuse into the cavity holes 22 from the diffusion holes 3 for detection, so that the detection effect of the point-type gas detector during use is improved.
The pressing ring 24 is arranged between the cavity 22 and the air collection chamber 23, the pressing ring 24 is in threaded connection with the cavity 22, the bottom surface of the pressing ring 24 abuts against the upper end of the air collection chamber 23, the air collection chamber 23 can be accurately positioned due to the arrangement of the pressing ring 24, and meanwhile, the stability between the two components of the cavity 22 and the air collection chamber 23 can be ensured, so that the possibility of damage to partial structures of the cavity 22 and the air collection chamber 23 caused by strong impact is reduced.
The point type gas detector is manufactured by adopting a 32-bit high-performance main chip and an advanced, reliable and stable gas sensor combined design and using an SMT (surface mount technology) patch technology according to a gas detector developed by the latest national standard. When the instrument works, the gas sensor samples gas, and data are transmitted to the high-speed processing chip in real time to be analyzed and processed in real time. Then the real-time transmission is carried out to the main chip, and the main chip respectively processes the signals into switching value, analog quantity or digital signal and the like for users to select. The instrument can continuously detect gas in an unattended dangerous environment, and can be widely applied to all places with dangerous explosion gas, such as petroleum, chemical engineering, smelting, pharmacy, oil fields, oil depots, storage, environmental protection, fire protection, municipal administration and the like.
It is prior art to relate to circuits, electronic components and control modules, which are well within the skill of those in the art, and not to be reiterated, the present invention is not directed to improvements in software and methods.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a novel point type gas detector, includes casing subassembly (1) and detecting head (2), connecting can be dismantled in detecting head (2) on casing subassembly (1), its characterized in that: the detecting head (2) comprises an upper connector (21), a cavity (22) and a gas collecting chamber (23), the upper end of the upper connector (21) is detachably connected to the shell assembly (1), the lower end of the upper connector (21) is detachably connected to the inside of the cavity (22), the cavity (22) is provided with a plurality of lightening holes (5) and is circumferentially distributed on the wall of the cavity (22), a hollow cavity hole (6) is arranged in the cavity (22), the gas collecting chamber (23) is provided with a plurality of gas collecting holes (4), the gas collecting holes (4) are vertically arranged at the lower end of the gas collecting chamber (23), a plurality of diffusion holes (3) are arranged on the cylindrical surface of the gas collecting chamber (23), the diffusion holes (3) are mutually communicated with the gas collecting holes (4) and the cavity hole (6), and a gas sensor is arranged in the cavity (22), a control unit is arranged in the shell assembly (1), and the gas sensor is connected with the control unit.
2. The novel point type gas detector according to claim 1, wherein: the gas collecting holes (4) are perpendicular to the diffusion holes (3).
3. The novel point type gas detector according to claim 2, wherein: a pressing ring (24) is arranged between the cavity (22) and the gas collection chamber (23), the pressing ring (24) is in threaded connection with the inside of the cavity (22), and the bottom surface of the pressing ring (24) abuts against the upper end of the gas collection chamber (23).
4. A novel point type gas detector according to claim 3, characterized in that: the pressing ring (24), the cavity (22) and the gas collection chamber (23) are concentrically arranged.
5. The novel point type gas detector according to claim 1, wherein: the shell assembly comprises an explosion-proof junction box (12), an acousto-optic alarm (13) is fixedly connected to the explosion-proof junction box (12), and the acousto-optic alarm (13) is connected with the control unit.
6. The novel point type gas detector according to claim 5, wherein: the control unit comprises an output module and an embedded microcomputer control module, the embedded microcomputer control module is respectively connected with the output module and the gas sensor, and the output module is connected with the display screen.
7. The novel point type gas detector according to claim 1, wherein: the upper end of the upper union body (21) is in threaded connection with the shell assembly (1), and the lower end of the upper union body (21) is in threaded connection with the cavity (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023283687.4U CN214097364U (en) | 2020-12-30 | 2020-12-30 | Novel point type gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023283687.4U CN214097364U (en) | 2020-12-30 | 2020-12-30 | Novel point type gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214097364U true CN214097364U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023283687.4U Active CN214097364U (en) | 2020-12-30 | 2020-12-30 | Novel point type gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214097364U (en) |
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2020
- 2020-12-30 CN CN202023283687.4U patent/CN214097364U/en active Active
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