CN218646923U - Gas detector for monitoring harmful gas - Google Patents

Gas detector for monitoring harmful gas Download PDF

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Publication number
CN218646923U
CN218646923U CN202221670207.6U CN202221670207U CN218646923U CN 218646923 U CN218646923 U CN 218646923U CN 202221670207 U CN202221670207 U CN 202221670207U CN 218646923 U CN218646923 U CN 218646923U
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China
Prior art keywords
protection casing
circuit board
unit circuit
safety cover
gas
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CN202221670207.6U
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Chinese (zh)
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刘红亮
刘光昊
牟滨
王海波
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Jinan Huoshao Safety Technology Co ltd
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Jinan Huoshao Safety Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

The utility model relates to a gas detector's technical field discloses a gas detector for harmful gas monitoring, and it includes shell body, gas sensor, processing mechanism and display, the shell body includes mounting panel, safety cover and sampling pipe, safety cover fixed connection is in on the mounting panel, sampling pipe one end and safety cover fixed connection, sampling pipe and safety cover intercommunication, gas sensor sets up in the sampling pipe, processing mechanism fixed connection is in the safety cover, gas sensor with the processing mechanism electricity is connected, the display can be dismantled with processing mechanism and be connected. This application has the effect that improves gas detector's suitability.

Description

Gas detector for monitoring harmful gas
Technical Field
The present application relates to the field of gas detectors, and more particularly to a gas detector for monitoring harmful gases.
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.
At present, chinese utility model patent of publication No. CN203275345U discloses a combustible gas detector, including combustible gas sensor, combustible gas sensor is connected with wiring unit circuit board, and wiring unit circuit board is connected with the electrical unit circuit board, and the electrical unit circuit board is connected with the processing unit circuit board, and the processing unit circuit board is connected with the display element circuit board.
In view of the above-mentioned related art, the inventor believes that different customers have different requirements for the display of the gas detector during the production process of the gas detector, and the defect of poor applicability of the gas detector exists.
SUMMERY OF THE UTILITY MODEL
In order to alleviate the problem that gas detector suitability is poor, the application provides a gas detector for harmful gas monitoring.
The application provides a gas detector for harmful gas monitoring adopts following technical scheme:
the utility model provides a gas detector for harmful gas monitoring, includes shell body, gas sensor, processing mechanism and display, the shell body includes mounting panel, safety cover and sampling pipe, safety cover fixed connection is in on the mounting panel, sampling pipe one end and safety cover fixed connection, sampling pipe and safety cover intercommunication, gas sensor sets up in the sampling pipe, processing mechanism fixed connection is in the safety cover, gas sensor with the processing mechanism electricity is connected, the display can be dismantled with processing mechanism and be connected.
Through adopting above-mentioned technical scheme, will handle mechanism fixed connection and in the safety cover, the display can be dismantled with processing mechanism and be connected, and in the production and processing process, the staff can be according to customer's demand connect the display that accords with customer's demand on processing mechanism to improve gas detector's suitability.
Optionally, processing mechanism includes wiring unit circuit board, electrical unit circuit board and processing unit circuit board, wiring unit circuit board fixed connection is in the safety cover, wiring unit circuit board electricity is connected and is connected with the electrical unit circuit board electricity, the electrical unit circuit board electricity is connected and is connected with processing unit circuit board electricity, processing unit circuit board fixed connection is in the safety cover, gas sensor is connected with wiring unit circuit board electricity, participating in of display can dismantle with the contact pin of processing unit circuit board and be connected.
By adopting the technical scheme, the gas sensor is connected with the processing unit circuit board by utilizing the wiring unit circuit board, the processing unit circuit board processes signals transmitted by the gas sensor, the display is electrically connected with the processing unit circuit board through the pins and the contact pins, and the display is conveniently connected with and separated from the processing unit circuit board.
Optionally, a limiting mechanism for fixing the display is arranged on the protective cover.
Through adopting above-mentioned technical scheme, set up stop gear on the guard shield, after display and processing unit circuit board are connected, utilize stop gear to fix the display, improve the stability of being connected between display and the processing unit circuit board.
Optionally, stop gear includes connecting block and bolt, connecting block fixed connection is on the outer wall of safety cover, the bolt with connecting block threaded connection, the one end of bolt pass the safety cover with the lateral wall butt of display.
Through adopting above-mentioned technical scheme, the display finishes with the processing unit circuit board is connected the back, rotates the bolt and makes its one end and the lateral wall butt of display, utilizes the bolt to fix the display, and the display is fixed convenient.
Optionally, the one end that the safety cover was kept away from to the sampling pipe is connected with dustproof mechanism, dustproof mechanism includes first protection casing, first protection casing is hollow cylinder structure, first protection casing with the sampling pipe screw thread, first protection casing one end with the sampling pipe intercommunication, the air inlet has been seted up to the first protection casing other end, a plurality of first water conservancy diversion mouths have been seted up on the lateral wall of first protection casing, and are a plurality of first water conservancy diversion mouth is followed the equidistant setting of circumference of first protection casing.
Through adopting above-mentioned technical scheme, keep away from the one end of mount pad at the sampling pipe and connect first protection casing, in gas in the monitoring environment got into first protection casing through first water conservancy diversion mouth and air inlet, utilized first protection casing to carry out the water conservancy diversion to gas, stayed greasy dirt and dust on first protection casing, reduced the possibility that the sampling head blockked up, further improved gas detector's suitability.
Optionally, be provided with the second protection casing in the first protection casing, the second protection casing is hollow cylinder structure, the second protection casing with first protection casing coaxial setting, second protection casing and first protection casing fixed connection, the second protection casing is kept away from the one end of air inlet with the sampling pipe intercommunication, the second protection casing is close to a plurality of second water conservancy diversion mouths have been seted up to the one end of air inlet, and is a plurality of the second water conservancy diversion mouth is followed the circumference interval of second protection casing sets up, first water conservancy diversion mouth is located and is close to first protection casing is kept away from the position of the one end of second water conservancy diversion mouth.
Through adopting above-mentioned technical scheme, at the inside second protection casing that sets up of first protection casing, seted up a plurality of second water conservancy diversion mouths on the second protection casing, utilize the second protection casing further to dredge gas, prolong gaseous removal route, improve the protective effect of protection machanism to the sampling head.
Optionally, a guide plate is connected to the second shield, the guide plate is located the second shield is far away from one end of the mounting seat, a plurality of third flow guide openings are formed in the guide plate, and the third flow guide openings are located on one side, close to the axis of the second shield, of the second flow guide opening.
Through adopting above-mentioned technical scheme, connect the guide plate on the second shield, utilize the guide plate to carry out the water conservancy diversion to the gas that gets into the sampling pipe through the air inlet.
Optionally, the second protection casing is kept away from the one end of mount pad has seted up the connecting hole, the guide plate is close to the one end fixedly connected with of second protection casing is used for the connecting block of pegging graft with the connecting hole, the guide plate is kept away from the one end of second protection casing is provided with the mark trachea, the mark trachea pass through the connecting hole with the sampling pipe intercommunication.
By adopting the technical scheme, the second protective cover is provided with the connecting hole, the guide plate is inserted in the second protective cover through the connecting block, and when the protective mechanism is cleaned, the guide plate can be separated from the second protective cover, so that the cleaning convenience of the protective mechanism is improved; set up the mark trachea on the guide plate, when examining gas detector, will hold the gaseous equipment of detection and mark trachea connection, make the detection gas enter into the second protection casing through mark trachea in, improve the convenience that gas detector detected.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the processing mechanism is fixedly connected in the protective cover, and the display is detachably connected with the processing mechanism, so that in the production and processing process, a worker can connect the display meeting the requirements of a customer on the processing mechanism according to the requirements of the customer, and the applicability of the gas detector is improved;
2. the limiting mechanism is arranged on the protective cover, so that after the display is connected with the processing unit circuit board, the display is fixed by the limiting mechanism, and the connection stability between the display and the processing unit circuit board is improved;
3. through connecting first protection casing in the one end of keeping away from the mount pad at the sampling pipe, gas in the monitoring environment utilizes first protection casing to carry out the water conservancy diversion to gas in first protection casing of first water conservancy diversion mouth and air inlet entering, stays greasy dirt and dust on first protection casing, reduces the possibility that the sampling head blockked up, further improves gas detector's suitability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural view of a processing mechanism and a stopper mechanism portion in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a display portion in an embodiment of the present application;
FIG. 4 is a schematic view of the construction of the first and second shield portions of an embodiment of the present application;
fig. 5 is a schematic structural view of a baffle portion in an embodiment of the present application.
Reference numerals: 100. an outer housing; 110. mounting a plate; 120. a protective cover; 130. a sampling tube; 200. a processing mechanism; 210. a processing unit circuit board; 211. inserting a pin; 300. a display; 310. a pin; 400. a limiting mechanism; 410. connecting blocks; 420. a bolt; 500. a dust-proof mechanism; 510. a first shield; 511. an air inlet; 512. a first flow guide port; 520. a second shield; 521. a second flow guide port; 522. connecting holes; 530. a baffle; 531. a third flow guide port; 540. a gas marking pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a gas detector for monitoring harmful gas. Referring to fig. 1 and 2, a gas detector for monitoring harmful gas includes an outer case 100, the outer case 100 includes a mounting plate 110, a protective cover 120 is fixedly connected to the mounting plate 110, the protective cover 120 is a hollow cylindrical structure, one end of the protective cover 120 is fixedly connected to the mounting plate 110, and an axis of the protective cover 120 is perpendicular to the mounting plate 110; a sampling tube 130 is fixedly connected to the protective cover 120, one end of the sampling tube 130 is communicated with the protective cover 120, the sampling tube 130 is positioned below the protective cover 120, and the axis of the sampling tube 130 is perpendicular to the axis of the protective cover 120. The processing mechanism 200 is installed in the protective cover 120, and the gas sensor is installed in the sampling tube 130 and electrically connected to the processing mechanism 200. The processing means 200 is provided with a display 300, the processing means 200 processes the signal transmitted from the gas sensor, the processing means 200 transmits the signal to the display 300 after the processing is completed, and the display 300 displays the result monitored by the gas sensor. The limiting mechanism 400 is mounted on the protective cover 120, and after the display 300 is connected to the processing unit circuit board 210, the display 300 is fixed by the limiting mechanism 400, so that the stability of connection between the display 300 and the processing unit circuit board 210 is improved. Dustproof mechanism 500 is installed to sampling pipe 130 lower extreme, utilizes dustproof mechanism 500 to protect the sampling head, reduces the gas detector in the use, because of the sampling head is blockked up the possibility that influences gas detector monitoring effect by foreign matters such as greasy dirt, dust, improves gas detector's suitability.
Referring to fig. 1, 2 and 3, the processing mechanism 200 includes a wiring unit circuit board fixedly connected to the protective cover 120, the wiring unit circuit board electrically connected to a power unit circuit board, the power unit circuit board electrically connected to a processing unit circuit board 210, and the processing unit circuit board 210 fixedly connected to the protective cover 120. The gas sensor is electrically connected to the processing unit circuit board 210. The pins 310 of the display 300 are plugged with the pins 211 of the processing unit circuit board 210. The gas sensor is connected with the processing unit circuit board 210 by using the wiring unit circuit board, the processing unit circuit board 210 processes signals transmitted by the gas sensor, the display 300 and the processing unit circuit board 210 are electrically connected with the pins 211 through the pins 310, and the connection and separation of the display 300 and the processing unit circuit board 210 are convenient.
Referring to fig. 2, the limiting mechanism 400 includes a connecting block 410 fixedly connected to the sidewall of the protective cover 120, a bolt 420 is threadedly connected to the connecting block 410, and one end of the bolt 420 passes through the protective cover 120 and abuts against the sidewall of the display 300. After the display 300 is connected to the processing unit circuit board 210, the bolt 420 is rotated to make one end of the bolt abut against the sidewall of the display 300, and the display 300 is fixed by the bolt 420, so that the display 300 is fixed conveniently.
Referring to fig. 1, 4 and 5, the dust-proof mechanism 500 includes a first protective cover 510 screwed to the lower end of the sampling tube 130, the first protective cover 510 is a hollow cylinder structure, the first protective cover 510 is coaxially disposed with the sampling tube 130, and the sampling tube 130 is communicated with the first protective cover 510. The nearly gas port has been seted up to first protection casing 510 lower extreme, a plurality of first water conservancy diversion mouths 512 have been seted up on the lateral wall of first protection casing 510, a plurality of first water conservancy diversion mouths 512 set up along the circumference of first protection casing 510 equidistant, first water conservancy diversion mouth 512 is located the position that is close to first protection casing 510 upper end, air in the monitoring environment gets into sampling pipe 130 again after air inlet 511 and a plurality of first water conservancy diversion mouth 512 get into first protection casing 510, stay greasy dirt and dust on first protection casing 510, reduce the possibility that the sampling head blockked up.
Referring to fig. 1, 4 and 5, a second shield 520 is installed in the first shield 510, the second shield 520 is a hollow cylinder structure, the second shield 520 and the first shield 510 are coaxially arranged, the upper end of the second shield 520 is fixedly connected with the first shield 510, the upper end of the second shield 520 is communicated with the sampling pipe 130, a plurality of second diversion ports 521 are formed in the lower end of the second shield 520, the plurality of second diversion ports 521 are arranged at equal intervals along the circumferential direction of the second shield 520, the second shield 520 is installed inside the first shield 510, the gas entering the first shield 510 through the gas inlet 511 and the first diversion port 512 is further guided by the second shield 520, the moving path of the gas is extended, and the protection effect of the protection mechanism on the sampling head is improved.
Referring to fig. 1, 4 and 5, a guide plate 530 is installed at the lower end of the second shield 520, the guide plate 530 is located at one end of the second shield 520 far away from the mounting base, a plurality of third guide openings 531 are formed in the guide plate 530, and the plurality of third guide openings 531 are located on one side of the second guide opening 521 close to the axis of the second shield 520. One end of the second shield 520, which is far away from the mounting seat, is provided with a connection hole 522, and one end of the flow guide plate 530, which is close to the second shield 520, is fixedly connected with a connection block 410 for being inserted into the connection hole 522. By installing the guide plate 530 at the lower end of the second shield 520, the gas entering the first shield 510 through the gas inlet 511 is further divided by the guide plate 530, thereby improving the shielding effect. Guide plate 530 passes through connecting block 410 and pegs graft on second protection casing 520, when clearing up protection machanism, can separate guide plate 530 and second protection casing 520, improves the convenience of protection machanism clearance.
One end of the flow guide plate 530 far away from the second shield 520 is provided with a gas standard pipe 540, and the gas standard pipe 540 is communicated with the sampling pipe 130 through the connecting hole 522. Through setting up mark trachea 540 on guide plate 530, when detecting gas detector, will hold the gaseous equipment of detection and mark trachea 540 and be connected, make the detection gas enter into the second protection casing 520 through mark trachea 540 in, improve the convenience that gas detector detected.
The implementation principle of the gas detector for monitoring harmful gas in the embodiment of the application is as follows: through with processing mechanism 200 fixed connection in safety cover 120, display 300 can dismantle with processing mechanism 200 and be connected, in the production course of working, the staff can be according to customer's demand connect the display 300 that accords with customer's demand on processing mechanism 200 to improve gas detector's suitability.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. A gas detector for hazardous gas monitoring, characterized by: including shell body (100), gas sensor, processing mechanism (200) and display (300), shell body (100) are including mounting panel (110), safety cover (120) and sampling pipe (130), safety cover (120) fixed connection be in on mounting panel (110), sampling pipe (130) one end and safety cover (120) fixed connection, sampling pipe (130) and safety cover (120) intercommunication, gas sensor sets up in sampling pipe (130), processing mechanism (200) fixed connection is in safety cover (120), gas sensor with processing mechanism (200) electricity is connected, display (300) can be dismantled with processing mechanism (200) and be connected.
2. A gas detector for harmful gas monitoring according to claim 1, characterized in that: processing mechanism (200) is including wiring unit circuit board, electrical unit circuit board and processing unit circuit board (210), wiring unit circuit board fixed connection is in safety cover (120), wiring unit circuit board electricity is connected with the electrical unit circuit board electricity and is connected, the electrical unit circuit board electricity is connected with processing unit circuit board (210) electricity, processing unit circuit board (210) fixed connection is in safety cover (120), gas sensor is connected with wiring unit circuit board electricity, participate in (310) of display (300) and can dismantle with contact pin (211) of processing unit circuit board (210) and be connected.
3. A gas detector for harmful gas monitoring according to claim 2, characterized in that: and a limiting mechanism (400) used for fixing the display (300) is arranged on the protective cover (120).
4. A gas detector for harmful gas monitoring according to claim 3, wherein: stop gear (400) are including connecting block (410) and bolt (420), connecting block (410) fixed connection is on the outer wall of safety cover (120), bolt (420) with connecting block (410) threaded connection, the one end of bolt (420) pass safety cover (120) with the lateral wall butt of display (300).
5. A gas detector for harmful gas monitoring according to claim 1, characterized in that: the one end that safety cover (120) were kept away from in sampling pipe (130) is connected with dustproof mechanism (500), dustproof mechanism (500) include first protection casing (510), first protection casing (510) are hollow cylinder structure, first protection casing (510) with sampling pipe (130) screw thread, first protection casing (510) one end with sampling pipe (130) intercommunication, air inlet (511) have been seted up to first protection casing (510) other end, a plurality of first water conservancy diversion mouth (512) have been seted up on the lateral wall of first protection casing (510), and is a plurality of first water conservancy diversion mouth (512) are followed the equidistant setting of circumference of first protection casing (510).
6. A gas detector for harmful gas monitoring according to claim 5, characterized in that: be provided with second protection casing (520) in first protection casing (510), second protection casing (520) are hollow cylinder structure, second protection casing (520) with first protection casing (510) coaxial setting, second protection casing (520) and first protection casing (510) fixed connection, second protection casing (520) are kept away from the one end of air inlet (511) with sampling pipe (130) intercommunication, second protection casing (520) are close to a plurality of second water conservancy diversion mouths (521) have been seted up to the one end of air inlet (511), and are a plurality of second water conservancy diversion mouth (521) are followed the circumference interval of second protection casing (520) sets up, first water conservancy diversion mouth (512) are located and are close to first protection casing (510) are kept away from the position of the one end of second water conservancy diversion mouth (521).
CN202221670207.6U 2022-06-30 2022-06-30 Gas detector for monitoring harmful gas Active CN218646923U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221670207.6U CN218646923U (en) 2022-06-30 2022-06-30 Gas detector for monitoring harmful gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221670207.6U CN218646923U (en) 2022-06-30 2022-06-30 Gas detector for monitoring harmful gas

Publications (1)

Publication Number Publication Date
CN218646923U true CN218646923U (en) 2023-03-17

Family

ID=85489575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221670207.6U Active CN218646923U (en) 2022-06-30 2022-06-30 Gas detector for monitoring harmful gas

Country Status (1)

Country Link
CN (1) CN218646923U (en)

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