CN211603097U - High-sensitivity combustible gas sensor - Google Patents
High-sensitivity combustible gas sensor Download PDFInfo
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- CN211603097U CN211603097U CN201922386303.2U CN201922386303U CN211603097U CN 211603097 U CN211603097 U CN 211603097U CN 201922386303 U CN201922386303 U CN 201922386303U CN 211603097 U CN211603097 U CN 211603097U
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- combustible gas
- gas sensor
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- fixedly connected
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Abstract
The utility model relates to a combustible gas sensor technical field just discloses a high sensitive combustible gas sensor, including sensor body and guide pin, the fixed cover of outer wall of sensor body has connect the fixed plate, the through-hole has all been seted up to the upper surface corner of fixed plate, and the pore wall swing joint of through-hole has fixed establishment, and is a plurality of the common fixedly connected with complementary unit of fixed establishment's inner wall. The utility model provides the high sensitivity that combustible gas sensor detected, and then can effectively improve the effect that combustible gas sensor detected to and the stability of combustible gas sensor installation has been improved.
Description
Technical Field
The utility model relates to a combustible gas sensor technical field especially relates to a combustible gas sensor of high sensitivity.
Background
Combustible gas is the greatest risk for safe production in mines, chemical enterprises, petroleum refining enterprises and daily life. When the combustible gas is accumulated to deflagration concentration in a certain space, explosion can be generated when the combustible gas meets a fire source, and personal and property safety is seriously harmed. The harm of combustible gas is more serious to the coal mine, and coal mine accidents are mostly caused by combustible gas such as methane and the like. Therefore, the combustible gas alarm is designed and manufactured for measuring the concentration of the combustible gas and giving an alarm in time when the combustible gas reaches dangerous concentration. The combustible gas alarm consists of a sensor, an electronic circuit and an alarm device, and the key part of the combustible gas alarm is the sensor.
The existing combustible gas sensor is installed inside the alarm shell, and the air flow inside the alarm is poor, so that the detection effect of the combustible gas sensor is poor, and the detection sensitivity of the combustible gas sensor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art combustible gas sensor and installing inside the alarm casing, and relatively poor because of the inside air flow of alarm, lead to the effect of combustible gas sensor's detection relatively poor, and then influence combustible gas sensor detectivity's problem, and the combustible gas sensor of a high sensitivity that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-sensitivity combustible gas sensor comprises a sensor body and a guide pin, wherein a fixed plate is fixedly sleeved on the outer wall of the sensor body, through holes are formed in corners of the upper surface of the fixed plate, the wall of each through hole is movably connected with a fixing mechanism, and auxiliary mechanisms are fixedly connected to the inner walls of the plurality of fixing mechanisms together;
the auxiliary mechanism comprises a cylinder fixedly connected with the outer wall of the threaded cylinder, a connecting plate is fixedly connected to the inner wall of the cylinder, a motor is fixedly connected to the upper surface of the connecting plate, and fan blades are fixedly connected to the output end of the motor.
Preferably, the fixing mechanism comprises a threaded cylinder movably connected with the inner wall of the through hole in the fixing plate, the inner wall of the threaded cylinder is in threaded connection with a screw, and the outer wall of the threaded cylinder is fixedly sleeved with a retaining ring.
Preferably, the outer walls of a plurality of adjacent threaded cylinders are fixedly connected with a mesh plate.
Preferably, the upper surface of the connecting plate is provided with a circular hole matched with the output end of the motor.
Preferably, the cylinder and the connecting plate are made of plastics.
Compared with the prior art, the utility model provides a high sensitive combustible gas sensor possesses following beneficial effect:
the high-sensitivity combustible gas sensor is provided with the motor, the fan blades and the threaded cylinder, when the sensor body is arranged on an electric plate in the alarm through the guide pin, then the screws are screwed into the screw holes of the electric plate, the baffle ring on the thread cylinder extrudes the fixed plate and ensures the stability of the sensor installation, then the motor drives the fan blades to rotate by starting the motor, the fan blades absorb outside air from the heat dissipation holes of the alarm through the cylinder and lean against the sensor body, the air flow speed around the sensor body is improved, meanwhile, the sensor body is ensured to be fully contacted with the air in the surrounding environment, the sensitivity degree of the detection of the sensor body is improved, the concentration of the combustible gas can be timely and accurately detected, this structure has improved the sensitivity that combustible gas sensor detected, and then can effectively improve the effect that combustible gas sensor detected to and the stability of combustible gas sensor installation has been improved.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model provides high sensitivity that combustible gas sensor detected, and then can effectively improve the effect that combustible gas sensor detected to and improved the stability of combustible gas sensor installation.
Drawings
Fig. 1 is a schematic structural diagram of a highly sensitive combustible gas sensor according to the present invention;
fig. 2 is a schematic structural diagram of a portion a of a highly sensitive combustible gas sensor according to the present invention.
In the figure: 1 sensor body, 2 guide pins, 3 fixing plates, 4 fixing mechanisms, 41 threaded cylinders, 42 screws, 43 baffle rings, 5 auxiliary mechanisms, 51 cylinders, 52 connecting plates, 53 motors, 54 fan blades, 6 mesh plates and 7 circular holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a highly sensitive combustible gas sensor comprises a sensor body 1 and a guide pin 2, wherein a fixing plate 3 is fixedly sleeved on the outer wall of the sensor body 1, through holes are formed in corners of the upper surface of the fixing plate 3, the wall of each through hole is movably connected with a fixing mechanism 4, and auxiliary mechanisms 5 are fixedly connected to the inner walls of the fixing mechanisms 4 together;
The fixing mechanism 4 comprises a thread cylinder 41 movably connected with the inner wall of the through hole in the fixing plate 3, the inner wall of the thread cylinder 41 is in threaded connection with a screw 42, the outer wall of the thread cylinder 41 is fixedly sleeved with a baffle ring 43, and the mechanism can improve the stability of sensor installation.
The outer walls of the adjacent threaded cylinders 41 are fixedly connected with the screen plate 6, the screen plate 6 can prevent the sensor body 1 from exploding to damage the alarm and damage gas devices, and unnecessary economic loss is avoided.
The upper surface of connecting plate 52 is seted up and is had the circular port 7 with motor 53 output matched with, and motor 53 output wearing and tearing can be avoided to circular port 7.
The materials of the cylinder 51 and the connecting plate 52 are plastics, which have poor quality and low cost, and the motor 53 is electrically connected to an external power source through a control switch, so as to ensure that the motor 53 is supported by the power supply during operation.
In the utility model, when the sensor body 1 is arranged on the inner electric plate of the alarm through the leading needle 2, then, by screwing the screw 42 into the screw hole of the electric plate, the retaining ring 43 on the screw cylinder 41 presses the fixing plate 3, and the stability of the sensor installation is ensured, then the motor 53 is started, the motor 53 drives the fan blades 54 to rotate, the fan blades 54 absorb outside air from the alarm radiating holes through the cylinder 51 and lean against the sensor body 1, the air flow speed around the sensor body 1 is improved, meanwhile, the sensor body 1 is ensured to be fully contacted with the air in the surrounding environment, the sensitivity degree of the detection of the sensor body 1 is improved, the concentration of the combustible gas can be timely and accurately detected, this structure has improved the sensitivity that combustible gas sensor detected, and then can effectively improve the effect that combustible gas sensor detected to and the stability of combustible gas sensor installation has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A high-sensitivity combustible gas sensor comprises a sensor body (1) and a guide pin (2), and is characterized in that a fixing plate (3) is fixedly sleeved on the outer wall of the sensor body (1), through holes are formed in corners of the upper surface of the fixing plate (3), the hole walls of the through holes are movably connected with fixing mechanisms (4), and auxiliary mechanisms (5) are fixedly connected to the inner walls of the fixing mechanisms (4) together;
the auxiliary mechanism (5) comprises a cylinder (51) fixedly connected with the outer wall of the threaded cylinder (41), a connecting plate (52) is fixedly connected to the inner wall of the cylinder (51), a motor (53) is fixedly connected to the upper surface of the connecting plate (52), and fan blades (54) are fixedly connected to the output end of the motor (53).
2. The combustible gas sensor according to claim 1, wherein the fixing mechanism (4) comprises a threaded cylinder (41) movably connected with the inner wall of the through hole on the fixing plate (3), the inner wall of the threaded cylinder (41) is in threaded connection with a screw (42), and the outer wall of the threaded cylinder (41) is fixedly sleeved with a retaining ring (43).
3. A highly sensitive combustible gas sensor according to claim 2, wherein a mesh plate (6) is fixedly attached to each other on the outer wall of a plurality of adjacent threaded cartridges (41).
4. The combustible gas sensor according to claim 1, wherein the upper surface of the connecting plate (52) is provided with a circular hole (7) matched with the output end of the motor (53).
5. A highly sensitive combustible gas sensor according to claim 1 characterised in that the cylinder (51) and the web (52) are both of plastics material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386303.2U CN211603097U (en) | 2019-12-26 | 2019-12-26 | High-sensitivity combustible gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386303.2U CN211603097U (en) | 2019-12-26 | 2019-12-26 | High-sensitivity combustible gas sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211603097U true CN211603097U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922386303.2U Active CN211603097U (en) | 2019-12-26 | 2019-12-26 | High-sensitivity combustible gas sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211603097U (en) |
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2019
- 2019-12-26 CN CN201922386303.2U patent/CN211603097U/en active Active
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