CN115762073A

CN115762073A - Combustible gas measuring alarm

Info

Publication number: CN115762073A
Application number: CN202211572662.7A
Authority: CN
Inventors: 孙鹏; 房俊杰; 王艳红; 宋寅立
Original assignee: Shandong Xinchuang Safety Technology Co ltd
Current assignee: Shandong Xinchuang Safety Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-07

Abstract

The invention belongs to the technical field of gas detection devices, and particularly relates to a combustible gas measurement alarm which comprises a fixing frame, a driving piece, an adjusting piece, a quick connecting piece, a collision fixing piece, a measurement alarm body, a detection probe, an air inlet piece and an air suction piece. The combustible gas measuring alarm designed by the invention can enable the measuring alarm body to detect combustible gas in a specified installation range in a circulating and reciprocating manner through the matching design of the fixing frame, the driving piece and the adjusting piece, so that the detection range is improved, and the problem of micro leakage of the combustible gas can be accurately detected under the environment with large oil smoke through the matching design of the detection probe, the air inlet piece and the air suction piece, so that the use effect is improved.

Description

Combustible gas measuring alarm

Technical Field

The invention relates to the technical field of gas detection devices, in particular to a combustible gas measurement alarm.

Background

The combustible gas measuring alarm is also called as a gas leakage detecting alarm instrument, when combustible gas leaks in industrial environment and daily life environment (such as a kitchen using natural gas), and the combustible gas alarm detects that the concentration of the combustible gas reaches an alarm value set by the alarm, the combustible gas alarm can send out sound and light alarm signals to remind people to evacuate, forcibly exhaust, shut down equipment and other safety measures, and the gas alarm can be linked with related linkage equipment, such as leakage in factory production, storage and transportation, can drive systems of exhaust, power supply cut-off, spraying and the like, so as to prevent explosion, fire and toxic accidents, thereby ensuring safety production, and the combustible gas measuring alarm is frequently used in chemical plants, petroleum, gas stations, steel plants and other places using or generating combustible gas, at present, natural gas commonly used in families can be aged due to the valve of a gas stove, in order to improve the use safety of natural gas, a combustible gas measuring alarm is generally arranged at the periphery of the natural gas pipeline to monitor the natural gas pipeline in a room, two combustible gas measuring alarms are generally provided, when one of the combustible gas measuring alarms is fixed and portable, a household combustible gas measuring alarm which is fixed is generally selected for real-time detection for detection, but when the existing fixed combustible gas measuring alarm detects leaked natural gas, the natural gas pipeline in the room cannot be comprehensively covered due to small detection area, the existing natural gas leakage cannot be accurately detected due to the fact that the distance from the existing combustible gas measuring alarm is far away, potential safety hazards exist, and the existing combustible gas measuring alarm has poor use effect in a household environment, when the natural gas is revealed a little, because the velocity of flow is slower, can not in time detect it, and can lead to combustible gas to measure the alarm and can not report to the police to the accurate detection of natural gas revealed because the oil smoke of cooking, influence the result of use.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a combustible gas measurement alarm, which solves the problems that the existing combustible gas measurement alarm cannot realize large-area gas detection and use safety due to fixed installation, and cannot accurately detect gas in time when natural gas leaks slightly, so that the use safety is influenced.

(II) technical scheme

The invention specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a combustible gas measures alarm, includes fixed frame, driving piece, regulating part, quick-operation connecting piece, conflict mounting, measurement alarm body, test probe, air inlet and the piece of breathing in, the internal cooperation is provided with the driving piece on the fixed frame, fixedly connected with regulating part on the driving piece, fixedly connected with quick-operation connecting piece on the regulating part, the internal cooperation of cavity of quick-operation connecting piece is provided with the conflict mounting, the last cooperation of quick-operation connecting piece is installed and is measured the alarm body, the cooperation is provided with test probe on the measurement alarm body, threaded connection has the air inlet on the test probe, the internal cooperation of cavity of air inlet is provided with the piece of breathing in.

Furthermore, a sliding groove is formed in the cavity of the fixing frame in a matched mode, and mounting blocks are fixedly connected to four corners of the fixing frame.

Further, the driving piece comprises lead screw, motor and sliding block, the lead screw rotates to be connected in the sliding tray, the one end fixed connection of lead screw is on the output shaft of motor, motor fixed connection is in the one end of fixed frame, threaded connection has the sliding block on the lead screw, sliding block sliding connection is in the sliding tray.

Further, the regulating part comprises first fixed block, first electric putter, second fixed block and second electric putter, first fixed block fixed connection is on the sliding block, the first electric putter of fixedly connected with on the first fixed block, fixedly connected with second fixed block on first electric putter's the piston rod, fixedly connected with second electric putter on the second fixed block, fixedly connected with quick-operation joint spare on second electric putter's the piston rod.

Furthermore, an insertion groove is formed in the quick connecting piece and is matched with the clamping groove, the clamping groove is formed in the quick connecting piece on one side of the insertion groove, a limiting convex point is fixedly connected in the clamping groove, a rear sealing cover is fixedly connected to one side of the quick connecting piece, and the rear sealing cover is fixedly connected with a piston rod of the second electric push rod.

Further, the conflict mounting comprises touch panel and spring, one side fixedly connected with spring of touch panel, the one end fixed connection of spring is on the touch panel, and other end fixed connection is on quick-operation connecting piece, touch panel sliding connection is in quick-operation connecting piece's cavity.

Further, one side cooperation quick connect union fixedly connected with block mount pad of measurement alarm body, the top one side cooperation of measurement alarm body is provided with the connector, the top opposite side cooperation of measurement alarm body is provided with audible-visual annunciator.

Further, the detecting probe is connected to the bottom of one side of the measuring alarm body in a matched mode, connecting threads are formed in the detecting probe, and a detecting hole is formed in the bottom end of the detecting probe in a matched mode.

Further, the air inlet part comprises an expansion cover, a nut and exhaust holes, the nut is rotatably connected to the top of the expansion cover, the nut is in threaded connection with a connecting thread in a matched mode, and the exhaust holes are formed in the expansion covers on the two sides of the nut.

Furthermore, the piece of breathing in comprises fan, first oil cleaner screen and second oil cleaner screen, fan fixed connection is in the opening position department of expansion cover, the inside of fan one side expansion cover cooperates first oil cleaner screen of fixed connection and second oil cleaner screen of fixed connection in proper order, the mesh dislocation cooperation setting that sets up on first oil cleaner screen and the second oil cleaner screen.

(III) advantageous effects

Compared with the prior art, the invention provides a combustible gas measurement alarm, which has the following beneficial effects:

the combustible gas measuring alarm designed by the invention can be conveniently installed and disassembled through the integral matching design when being used in a household natural gas leakage detection alarm, the combustible gas measuring alarm can detect large-area space, timely detection, discovery and alarm prompt can be ensured when combustible gas is leaked, and the use safety is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the fixing frame of the present invention;

FIG. 3 is a schematic view of the driving member of the present invention;

FIG. 4 is a schematic view of the quick connector of the present invention;

FIG. 5 is a schematic view of the detection alarm assembly of the present invention;

FIG. 6 is a schematic view of the structure of the quick connector and the interference fastener of the present invention;

FIG. 7 is a schematic structural view of a measuring alarm body and a detection probe in the present invention;

FIG. 8 is a schematic view of the structure of an air intake member of the present invention;

fig. 9 is a schematic structural view of the air-absorbing member of the present invention.

In the figure: 1. a fixing frame; 101. a sliding groove; 102. mounting a block; 2. a drive member; 201. a screw rod; 202. a motor; 203. a slider; 3. an adjustment member; 301. a first fixed block; 302. a first electric push rod; 303. a second fixed block; 304. a second electric push rod; 4. a quick connector; 401. inserting grooves; 402. a clamping groove; 403. limiting salient points; 404. sealing the cover; 5. abutting against the fixing piece; 501. a touch plate; 502. a spring; 6. a measuring alarm body; 601. clamping the mounting seat; 602. a connection port; 603. an audible and visual alarm; 7. detecting a probe; 701. connecting threads; 702. detecting holes; 8. an air intake member; 801. an expansion cover; 802. a nut; 803. an exhaust hole; 9. a suction member; 901. a fan; 902. a first oil filter screen; 903. a second oil filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 9, an embodiment of the present invention proposes: a combustible gas measuring alarm comprises a fixed frame 1, a driving piece 2, an adjusting piece 3, a quick connecting piece 4, a conflict fixing piece 5, a measuring alarm body 6, a detection probe 7, an air inlet piece 8 and an air suction piece 9, domestic natural gas is generally discharged and used through a gas stove, and as the valve of the gas stove is aged, combustible gas leakage detection needs to be carried out on the periphery of a natural gas pipeline, the common combustible gas measuring alarm has a portable type and a fixed type, the fixed type combustible gas measuring alarm is generally adopted for detection when the gas stove is used at home, real-time detection is ensured, and use safety is improved, the combustible gas measuring alarm designed by the scheme enables the measuring alarm body 6 to be used for detecting combustible gas in an installation range, improves a detection surface and ensures gas use safety through matching design, through the matching design of the air inlet part 8 and the air suction part 9, the combustible gas which is slightly leaked can be accurately detected under the use environment with larger oil smoke, the use requirement is met, the driving part 2 is arranged in the cavity of the fixing frame 1 in a matching way, when the fixing frame 1 is installed, the fixing frame 1 is inserted into the installation block 102 through a bolt, the fixed connection of the fixing frame 1 is realized, the fixed installation and the use of the device are met, the adjusting part 3 is fixedly connected onto the driving part 2, the lead screw 201 can be driven to rotate in the fixing frame 1 through the motor 202, the sliding block 203 which is in threaded connection with the lead screw 201 is in matching sliding connection with the sliding groove 101, when the lead screw 201 rotates, the sliding block 203 can be adjusted in a sliding way, the quick connecting part 4 is fixedly connected onto the adjusting part 3, the first fixing block 301 is fixedly connected onto the sliding block 203, when the sliding block 203 moves, the adjusting part 3 can be driven to move, the first electric push rod 302 can control the telescopic distance of the second fixing block 303, the second electric push rod 304 arranged on the second fixing block 303 can control the telescopic distance of the quick connecting piece 4, the measurement alarm body 6 arranged on the quick connecting piece 4 can be adjusted to move in a three-dimensional space through matching adjustment, the expansion of a detection range is realized, the detection effect is improved, the collision fixing piece 5 is arranged in the cavity of the quick connecting piece 4 in a matching manner, the measurement alarm body 6 is arranged on the quick connecting piece 4 in a matching manner, when the measurement alarm body 6 is arranged on the quick connecting piece 4, the clamping mounting seat 601 is matched and inserted in the insertion groove 401 through the clamping mounting seat 601, at the moment, the clamping mounting seat 601 can collide and extrude the collision plate 501 to perform extrusion movement towards the inside of the cavity of the quick connecting piece 4, meanwhile, the spring 502 can be extruded and contracted and keep the resilience acting force, when the clamping mounting seat 601 is not pressed, by clockwise rotating the measuring alarm body 6, the clamping mounting seat 601 is rotated to the position of the clamping groove 402, the pressing on the measuring alarm body 6 is released, the touch plate 501 is reset under the resilience of the spring 502, the clamping mounting seat 601 is pushed into the clamping groove 402, as the clamping mounting seat 601 is matched with the limit bump 403 to be provided with a slotted hole, the slotted hole is clamped on the limit bump 403, the measuring alarm body 6 is firmly arranged on the quick connecting piece 4 through matching design, the disassembly and maintenance at the later stage can be more convenient and faster, the use effect is improved, the measuring alarm body 6 is matched with the detection probe 7, the measuring alarm body 6 and the detection probe 7 meet the use effect of the device, the combustible gas can be detected, and the measuring alarm body 6 and the detection probe 7 adopt the prior disclosed technical means, the detection probe 7 is connected with the air inlet 8 through threads, the air suction part 9 is arranged in a cavity of the air inlet 8 in a matching manner, the household natural gas is generally arranged in a kitchen, oil smoke floats in the kitchen when cooking in daily life, the detection accuracy of the detection probe 7 on combustible gas can be influenced if the oil smoke is adsorbed on the detection probe 7, and the detection probe 7 cannot conveniently detect the oil smoke due to the slow flow rate of the combustible gas at a small air leakage position, so that the detection effect is influenced, therefore, the design of the air inlet 8 and the air suction part 9 can enable the device to accurately detect the problem of small air leakage under the use environment with large oil smoke, air is pumped into the air inlet 8 through the fan 901, and the pumped air can be designed through the matching of the first oil filter 902 and the second oil filter 903, the oil fume in the air is filtered, due to the staggered design of the mesh holes of the first oil filter screen 902 and the second oil filter screen 903, when oil fume is carried in the air, the oil fume is adsorbed on the first oil filter screen 902 and the second oil filter screen 903, the oil fume is prevented from entering the interior and being attached to the detection probe 7, the sucked air can be detected by the detection probe 7, when combustible gas is detected, the measurement alarm body 6 gives an audible and visual alarm to remind personnel to carry out detection and maintenance on the position, when the combustible gas is not carried in the air, the air can be discharged from the exhaust hole 803, the air circulation is realized, through the design of the air inlet piece 8, the oil fume can be conveniently and quickly mounted and dismounted on the detection probe 7, the oil fume can be conveniently dismounted and cleaned or replaced when the oil fume is more attached to the first oil filter screen 902 and the second oil filter screen 903, the whole design structure of the device is simple and reasonable, the detection range is improved, the use requirement is met.

As shown in fig. 2, in some embodiments, a sliding groove 101 is formed in the cavity of the fixing frame 1 in a matching manner, and mounting blocks 102 are fixedly connected to four corners of the fixing frame 1, so that the fixing frame 1 is designed to meet necessary installation and use requirements, and overall connection is ensured.

As shown in fig. 3, in some embodiments, the driving member 2 is composed of a screw rod 201, a motor 202 and a sliding block 203, the screw rod 201 is rotatably connected in the sliding groove 101, one end of the screw rod 201 is fixedly connected to an output shaft of the motor 202, the motor 202 is fixedly connected to one end of the fixed frame 1, the sliding block 203 is in threaded connection with the screw rod 201, the sliding block 203 is slidably connected in the sliding groove 101, and the driving member 2 is used for driving the measurement alarm body 6 to move and adjust in the horizontal direction, so as to meet the requirement of large-range detection.

As shown in fig. 4, in some embodiments, the adjusting member 3 is composed of a first fixing block 301, a first electric push rod 302, a second fixing block 303 and a second electric push rod 304, the first fixing block 301 is fixedly connected to the sliding block 203, the first electric push rod 302 is fixedly connected to the first fixing block 301, the second fixing block 303 is fixedly connected to a piston rod of the first electric push rod 302, the second electric push rod 304 is fixedly connected to the second fixing block 303, and the quick connector 4 is fixedly connected to a piston rod of the second electric push rod 304, and by designing the adjusting member 3, the adjusting movement of the measurement alarm body 6 on the xy axis can be controlled, and the detection range can be improved.

As shown in fig. 6, in some embodiments, a plug groove 401 has been seted up on the quick connector 4, plug groove 401 sets up with the cooperation of block groove 402, block groove 402 is seted up on the quick connector 4 of plug groove 401 one side, spacing bump 403 of fixedly connected with in the block groove 402, one side fixedly connected with back closing cap 404 of quick connector 4, back closing cap 404 sets up with the piston rod fixed connection of second electric putter 304, conflict mounting 5 comprises conflict board 501 and spring 502, one side fixedly connected with spring 502 of conflict board 501, the one end fixed connection of spring 502 is on conflict board 501, other end fixed connection is on quick connector 4, conflict board 501 sliding connection is in the cavity of quick connector 4, the cooperation design of quick connector 4 and conflict mounting 5, can make the convenient installation of measuring alarm body 6, be convenient to dismantle when being convenient for later stage detection and maintenance and use.

As shown in fig. 7, in some embodiments, one side of the measurement alarm body 6 cooperates with the snap-fit mounting seat 601 of the quick connector 4, the top one side cooperation of the measurement alarm body 6 is provided with the connector 602, the top opposite side cooperation of the measurement alarm body 6 is provided with the audible and visual alarm 603, the detection probe 7 cooperates and connects in the bottom of the measurement alarm body 6 one side, connecting thread 701 has been seted up on the detection probe 7, the bottom cooperation of the detection probe 7 is provided with the inspection hole 702, the design of the measurement alarm body 6 and the detection probe 7 satisfies the user demand, ensure that the combustible gas can be normally detected, satisfy the user demand, connecting thread 701 is used for the installation of the air inlet 8.

As shown in fig. 8, in some embodiments, the air inlet 8 is composed of an expansion cover 801, a nut 802 and an exhaust hole 803, the nut 802 is rotatably connected to the top of the expansion cover 801, the nut 802 is in threaded connection with the connecting thread 701 in a matching manner, the exhaust holes 803 are respectively arranged on the expansion covers 801 on two sides of the nut 802, the air inlet 8 is expanded, and the air inlet can be extracted and detected for combustible gas in a detection range in a matching manner by the air suction piece 9, so that the detection effect is improved.

As shown in fig. 9, in some embodiments, the air suction piece 9 is composed of a fan 901, a first oil filter screen 902 and a second oil filter screen 903, the fan 901 is fixedly connected to an opening portion of the expansion cover 801, the first oil filter screen 902 and the second oil filter screen 903 are fixedly connected to the inside of the expansion cover 801 on one side of the fan 901 in sequence in a matching manner, meshes of the first oil filter screen 902 and meshes of the second oil filter screen 903 are arranged in a staggered and matching manner, the air suction piece 9 can filter outside air with oil smoke and then input the air into the air suction piece 8, detection use of the detection probe 7 is met, and accurate detection of combustible gas under special environments is met.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a combustible gas measures alarm, includes fixed frame (1), driving piece (2), regulating part (3), quick-connect spare (4), conflict mounting (5), measures alarm body (6), test probe (7), air inlet (8) and piece (9) of breathing in, its characterized in that: fixed frame (1) epicoele internal cooperation is provided with driving piece (2), fixedly connected with regulating part (3) are gone up in driving piece (2), fixedly connected with quick-connect fitting (4) are gone up in regulating part (3), the cavity internal cooperation of quick-connect fitting (4) is provided with conflict mounting (5), quick-connect fitting (4) are gone up the cooperation and are installed and measure alarm body (6), it is provided with test probe (7) to measure alarm body (6) and go up the cooperation, threaded connection has air inlet (8) on test probe (7), the cavity internal cooperation of air inlet (8) is provided with air inlet (9).

2. A combustible gas measurement alarm according to claim 1 wherein: the sliding groove (101) is formed in the cavity of the fixing frame (1) in a matched mode, and mounting blocks (102) are fixedly connected to the four corners of the fixing frame (1).

3. A combustible gas measurement alarm according to claim 1 wherein: the driving piece (2) is composed of a screw rod (201), a motor (202) and a sliding block (203), the screw rod (201) is rotatably connected in the sliding groove (101), one end of the screw rod (201) is fixedly connected to an output shaft of the motor (202), the motor (202) is fixedly connected to one end of the fixed frame (1), the screw rod (201) is connected with the sliding block (203) in a threaded mode, and the sliding block (203) is slidably connected in the sliding groove (101).

4. A combustible gas measurement alarm according to claim 1 wherein: adjusting part (3) comprise first fixed block (301), first electric putter (302), second fixed block (303) and second electric putter (304), first fixed block (301) fixed connection is on sliding block (203), first electric putter (302) of fixedly connected with on first fixed block (301), fixedly connected with second fixed block (303) on the piston rod of first electric putter (302), fixedly connected with second electric putter (304) on second fixed block (303), fixedly connected with quick-operation joint spare (4) on the piston rod of second electric putter (304).

5. A combustible gas measurement alarm according to claim 4 wherein: the quick connecting piece (4) is provided with an inserting groove (401), the inserting groove (401) is matched with a clamping groove (402) in arrangement, the clamping groove (402) is arranged on the quick connecting piece (4) on one side of the inserting groove (401), a limiting convex point (403) is fixedly connected in the clamping groove (402), one side of the quick connecting piece (4) is fixedly connected with a rear sealing cover (404), and the rear sealing cover (404) is fixedly connected with a piston rod of a second electric push rod (304).

6. A combustible gas measurement alarm according to claim 1 wherein: conflict mounting (5) comprise conflict board (501) and spring (502), one side fixedly connected with spring (502) of conflict board (501), the one end fixed connection of spring (502) is on conflicting touch board (501), and other end fixed connection is on quick-operation joint spare (4), conflict board (501) sliding connection is in the cavity of quick-operation joint spare (4).

7. A combustible gas measurement alarm according to claim 1 wherein: one side cooperation quick-connect coupler (4) fixedly connected with block mount pad (601) of measurement alarm body (6), the cooperation of top one side of measurement alarm body (6) is provided with connector (602), the cooperation of the top opposite side of measurement alarm body (6) is provided with audible-visual annunciator (603).

8. A combustible gas measurement alarm according to claim 1 wherein: the detecting probe (7) is connected to the bottom of one side of the measuring alarm body (6) in a matched mode, connecting threads (701) are formed in the detecting probe (7), and a detecting hole (702) is formed in the bottom end of the detecting probe (7) in a matched mode.

9. A combustible gas measurement alarm according to claim 1 wherein: air inlet (8) are by expanding cover (801), nut (802) and exhaust hole (803) and constitute, the top of expanding cover (801) is rotated and is connected with nut (802), nut (802) cooperation threaded connection is on connecting thread (701), all be provided with exhaust hole (803) on the expansion cover (801) of nut (802) both sides.

10. A combustible gas measurement alarm according to claim 1 wherein: the air suction piece (9) comprises a fan (901), a first oil filter screen (902) and a second oil filter screen (903), the fan (901) is fixedly connected to the opening of the expansion cover (801), the first oil filter screen (902) and the second oil filter screen (903) are sequentially and fixedly connected to the inside of the expansion cover (801) on one side of the fan (901) in a matched mode, and meshes arranged on the first oil filter screen (902) and the second oil filter screen (903) are arranged in a staggered mode in a matched mode.