CN212409731U

CN212409731U - Combustible gas temperature pressure sensor

Info

Publication number: CN212409731U
Application number: CN202022239174.7U
Authority: CN
Inventors: 王小平; 曹万
Original assignee: Wuhan Finemems Inc
Current assignee: Wuhan Finemems Inc
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-01-26
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a combustible gas temperature pressure sensor belongs to sensor technical field, and it is including depositing the shell, the inside of depositing the shell is provided with first gas, the right flank of depositing the shell communicates with the left end of connecting pipe, the surface of connecting pipe and movable support device's internal surface fixed connection, movable support device's left end and the right flank fixed connection of depositing the shell. This combustible gas temperature pressure sensor, through setting up first gas, the connecting pipe, first piston, first slide bar, the fly leaf, the second slide bar, the second piston, the second slide bar, the backup pad, the rope, third spring and guard plate for this device can reach the work to the different positions gas pressure detection in the closed container through the mobile sensor body, has guaranteed the comprehensive and the accuracy nature of testing result, and this device can also cover the protection to the sensor body simultaneously, thereby can guarantee the life of sensor body.

Description

Combustible gas temperature pressure sensor

Technical Field

The utility model belongs to the technical field of the sensor, specifically be combustible gas temperature pressure sensor.

Background

The high-temperature pressure sensor is a pressure transmitter which is most commonly used in industrial practice, aims to detect the pressure of various gases and liquids in a high-temperature environment, is widely applied to various industrial automatic control environments, and relates to various industries such as petroleum pipelines, water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipeline air supply, boilers, smelting furnaces and the like.

At the in-process that detects combustible gas, often need use high temperature pressure sensor, but ordinary high temperature pressure sensor only fixes at the inside certain position of carrying combustible gas container when in actual use, be difficult to detect the gas pressure of different positions, make testing result's accuracy relatively poor, and ordinary high temperature pressure sensor all exposes externally, not only receive external force injury easily when not using, still receive gaseous corruption easily, thereby cause the influence to high temperature pressure sensor's life, consequently, need combustible gas temperature pressure sensor to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a combustible gas temperature pressure sensor has solved ordinary high temperature pressure sensor and has just fixed in a certain position when in-service use for the accuracy of testing result is relatively poor, and ordinary high temperature pressure sensor all exposes externally, not only receives external force injury easily when not using, still receives gaseous corruption easily, thereby causes the problem of influence to high temperature pressure sensor's life.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: combustible gas temperature pressure sensor, including depositing the shell, the inside of depositing the shell is provided with first gas, the right flank of depositing the shell communicates with the left end of connecting pipe, the surface of connecting pipe and movable support device's internal surface fixed connection, movable support device's left end and the right flank fixed connection who deposits the shell, the right-hand member of connecting pipe is linked together with the left surface of first barrel, the internal surface of first barrel is provided with first piston, the right flank of first piston and the left end fixed connection of first slide bar, the right-hand member of first slide bar and the left surface fixed connection of fly leaf, the upper surface of fly leaf and the lower fixed surface of casing are connected, the inside of casing is provided with the second gas.

The right flank of casing is linked together with the left surface of head, the right-hand member of head and the left surface fixed connection of backup pad, the head includes the second barrel, the left surface of second barrel is linked together with the right flank of casing, the internal surface of second barrel is provided with the second piston, the right flank of second piston and the left end fixed connection of second slide bar, the right-hand member of second slide bar and the left surface fixed connection of backup pad, the left surface of backup pad and the right-hand member fixed connection of two ropes, the left end of rope and the right surface fixed connection of connecting block.

The lower surface of connecting block and the last fixed surface of guard plate are connected, two the same sealing device of opposite face fixedly connected with of guard plate, two the right flank of guard plate all is articulated through the left surface of hinge and gusset plate, the right flank of gusset plate and the left surface fixed connection of fixed block, the right flank of fixed block and the left surface fixed connection of casing, the left surface of gusset plate and the right-hand member fixed connection of sensor body, the left surface of gusset plate and the right-hand member fixed connection of two third springs, the left end of third spring and the right surface fixed connection of connecting block.

As a further aspect of the present invention: the lower surface of the storage shell is fixedly connected with the upper surface of the fixing seat, and the lower surface of the fixing seat is fixedly connected with the upper surface of the mounting plate.

As a further aspect of the present invention: the connecting pipe sets up to the elastic hose, the right flank of first piston and the left end fixed connection of first spring, the right-hand member of first spring and the left surface fixed connection of first sliding sleeve, first sliding sleeve and first spring all cup joint the surface at first slide bar, first sliding sleeve joint is at the right flank of first barrel.

As a further aspect of the present invention: the upper surface and the lower surface of the reinforcing plate are fixedly connected with the opposite surfaces of the two pulleys respectively, and the outer surfaces of the pulleys are in lap joint with the lower surface of the rope.

As a further aspect of the present invention: the movable supporting device comprises two telescopic rods, wherein fourth springs are sleeved on the outer surfaces of the telescopic rods, the left ends of the telescopic rods and the left ends of the four springs are fixedly connected with the right side face of the storage shell, the right ends of the telescopic rods and the right ends of the four springs are fixedly connected with the left side face of the connecting plate, and the inner surface of the connecting plate is fixedly connected with the outer surface of the connecting pipe.

As a further aspect of the present invention: the right flank of second piston and the left end fixed connection of second spring, the right-hand member of second spring and the left surface fixed connection of second sliding sleeve, second sliding sleeve and second spring all cup joint the surface at the second slide bar, second sliding sleeve joint is at the right flank of second barrel, the second gas pocket has all been seted up on the upper and lower two surfaces of second barrel.

As a further aspect of the present invention: two first air holes are formed in the right side face of the first cylinder, and a plurality of bolts are arranged on the lower surface of the first cylinder.

As a further aspect of the present invention: the sealing device comprises a first sealing gasket fixedly connected to the lower surface of the upper protection plate, a second sealing gasket is lapped on the lower surface of the first sealing gasket, and the second sealing gasket is fixedly connected to the upper surface of the lower protection plate.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the combustible gas temperature and pressure sensor is characterized in that a first gas, a connecting pipe, a first piston, a first slide rod, a movable plate, a second slide rod, a second piston, a second slide rod, a supporting plate, a rope, a third spring and a protection plate are arranged, the first gas and the second gas expand under heat to respectively push the first piston and the second piston to move rightwards, so that the second slide rod can be unfolded through the supporting plate and the rope to pull the protection plate, meanwhile, the first slide rod drives the sensor body to detect rightwards through the movable plate, and finally, the two protection plates can be pushed to be closed through the third spring to cover the sensor body, through the operation, the device can achieve the work of detecting the gas pressure at different positions in a closed container through moving the sensor body, the comprehensiveness and the accuracy of a detection result are ensured, and meanwhile, the device can also cover and protect the sensor body, thereby the life of the sensor body can be guaranteed.

2. This combustible gas temperature pressure sensor passes through the bolt through the setting, and the quantity of bolt is a plurality of for the staff can rotate suitable bolt according to the demand, and then makes the bolt can carry on spacingly to the shift position of first piston, thereby can adapt to the container of different internal diameters, avoids the inner wall contact of this device and container, causes the damage of container inner wall.

3. This combustible gas temperature pressure sensor, through setting up the connecting pipe, and the connecting pipe sets up to flexible hose, make the connecting pipe have flexible motivity, make gas expansion when too much, the connecting pipe extension can increase the volume of first barrel, avoid first gas expansion to cause unnecessary first gas can't discharge, lead to the problem that this device was fried open easily for a long time, thereby the security in this device use has been guaranteed, and through setting up telescopic link and fourth spring, make the telescopic link can play the effect of support to first barrel, can guarantee the flexible stability of fourth spring simultaneously, and the fourth spring can utilize the pulling force of self to drive the connecting pipe shrink, thereby made things convenient for the work of follow-up use.

Drawings

Fig. 1 is a front cross-sectional view of an embodiment of the present invention;

fig. 2 is a top cross-sectional view of a portion of the structure of fig. 1 according to the present invention;

FIG. 3 is a front cross-sectional view of the mobile device of the present invention;

fig. 4 is a cross-sectional view of a portion of the structure of fig. 1 in accordance with the present invention;

FIG. 5 is a left side view of another portion of the structure of FIG. 1 in accordance with the present invention;

in the figure: the device comprises a storage shell 1, a first gas 2, a connecting pipe 3, a bolt 4, a first cylinder 5, a first piston 6, a first sliding rod 7, a first spring 8, a first sliding sleeve 9, a movable plate 10, a shell 11, a movable device 12, a second piston 121, a second spring 122, a second sliding rod 123, a second cylinder 124, a second sliding sleeve 125, a second air hole 126, a second gas 13, a supporting plate 14, a fixed block 15, a reinforcing plate 16, a rope 17, a pulley 18, a hinge 19, a third spring 20, a connecting block 21, a protective plate 22, a sensor body 23, a first sealing gasket 241, a second sealing gasket 242, a movable supporting device 25, a fourth spring 251, a telescopic rod 252, a connecting plate 253, a fixed seat 26, a mounting plate 27 and a first air hole 28.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-5, the utility model provides a technical solution: combustible gas temperature and pressure sensor, including depositing shell 1, the inside of depositing shell 1 is provided with first gas 2, the right side of depositing shell 1 communicates with the left end of connecting pipe 3, the surface of connecting pipe 3 and the internal surface fixed connection of activity strutting arrangement 25, the left end of activity strutting arrangement 25 and the right side fixed connection of depositing shell 1, the right-hand member of connecting pipe 3 is linked together with the left surface of first barrel 5, the internal surface of first barrel 5 is provided with first piston 6, the right flank of first piston 6 and the left end fixed connection of first slide bar 7, the right-hand member of first slide bar 7 and the left surface fixed connection of fly leaf 10, the upper surface of fly leaf 10 and the lower fixed surface of casing 11 are connected, the inside of casing 11 is provided with second gas 13.

The right side of casing 11 is linked together with the left side of head 12, the right-hand member of head 12 and the left side fixed connection of backup pad 14, head 12 includes second barrel 124, the left side of second barrel 124 is linked together with the right side of casing 11, the internal surface of second barrel 124 is provided with second piston 121, the right flank of second piston 121 and the left end fixed connection of second slide bar 123, the right-hand member of second slide bar 123 and the left side fixed connection of backup pad 14, the left side of backup pad 14 and the right-hand member fixed connection of two ropes 17, the left end of rope 17 and the right side fixed connection of connecting block 21.

The lower surface of the connecting block 21 is fixedly connected with the upper surfaces of the protection plates 22, the opposite surfaces of the two protection plates 22 are fixedly connected with the same sealing device 24, the right side surfaces of the two protection plates 22 are hinged with the left side surface of the reinforcing plate 16 through hinges 19, the hinges 19 are arranged and can provide a central point for the protection plates 22, so that the protection plates 22 can normally turn over, the right side surface of the reinforcing plate 16 is fixedly connected with the left side surface of the fixing block 15, the right side surface of the fixing block 15 is fixedly connected with the left side surface of the shell 11, the left side surface of the reinforcing plate 16 is fixedly connected with the right end of the sensor body 23, the left side surface of the reinforcing plate 16 is fixedly connected with the right end of the two third springs 20, the third springs 20 and the protection plates 22 are arranged, and the third springs 20 can push the two protection plates 22 to turn over and close by utilizing the self elasticity, so, further, a certain protection effect can be exerted on the sensor body 23, and the left end of the third spring 20 is fixedly connected with the right side face of the connecting block 21.

As shown in figure 1, the lower surface of the storage shell 1 is fixedly connected with the upper surface of a fixed seat 26, the lower surface of the fixed seat 26 is fixedly connected with the upper surface of the mounting plate 27, the mounting plate 27 is arranged, and a worker can install and fix the fixed seat 26 through the mounting plate 27, so that the placement firmness of the device can be ensured, the connecting pipe 3 is arranged to be an elastic hose, the connecting pipe 3 has telescopic activity through the arrangement of the connecting pipe 3, when the gas is expanded too much, the volume of the first barrel 5 can be increased through the extension of the connecting pipe 3, the problem that the redundant first gas 2 cannot be discharged due to the expansion of the first gas 2, the device is easily exploded for a long time is solved, so that the safety of the device in the use process is ensured, the right side surface of the first piston 6 is fixedly, through arranging the first spring 8, and the first spring 8 can push the first piston 6 to move leftwards by utilizing the elasticity of the first spring 8, thereby ensuring the reset effect of the first piston 6 and facilitating the work of subsequent normal use of the device, the right end of the first spring 8 is fixedly connected with the left side surface of the first sliding sleeve 9, through arranging the first sliding sleeve 9, thereby ensuring the work of stable sliding left and right of the first sliding rod 7, the first sliding sleeve 9 and the first spring 8 are both sleeved on the outer surface of the first sliding rod 7, the first sliding sleeve 9 is clamped on the right side surface of the first barrel 5, the upper surface and the lower surface of the reinforcing plate 16 are respectively fixedly connected with the opposite surfaces of the two pulleys 18, through arranging the pulleys 18, and the rope 17 can effectively slide on the surface of the pulleys 18, thereby ensuring the sliding fluency of the rope 17, and simultaneously reducing the abrasion of the rope 17, thereby ensuring the service life of the rope 17, the outer surface of the pulley 18 overlaps the lower surface of the rope 17.

As shown in fig. 2, the movable supporting device 25 includes two telescopic rods 252, a fourth spring 251 is sleeved on the outer surface of the telescopic rod 252, through the arrangement of the telescopic rod 252 and the fourth spring 251, the telescopic rod 252 can support the first barrel 5, and meanwhile, the telescopic stability of the fourth spring 251 can be ensured, and the fourth spring 251 can drive the connecting pipe 3 to contract by using the pulling force of the fourth spring 251, thereby facilitating the subsequent use, the left ends of the two telescopic rods 252 and the two fourth springs 251 are fixedly connected with the right side of the storage shell 1, the right ends of the two telescopic rods 252 and the two fourth springs 251 are fixedly connected with the left side of the connecting plate 253, and the inner surface of the connecting plate 253 is fixedly connected with the outer surface of the connecting pipe 3.

As shown in fig. 3, the right side surface of the second piston 121 is fixedly connected to the left end of the second spring 122, through the second spring 122, and the second spring 122 can push the second piston 121 to move leftwards by using its own elastic force, so as to ensure the leftward resetting effect of the second piston 121, further facilitate the reuse of the device, the right end of the second spring 122 is fixedly connected to the left side surface of the second sliding sleeve 125, through the second sliding sleeve 125, so as to ensure the more stable leftward and rightward sliding of the second sliding rod 123, the second sliding sleeve 125 and the second spring 122 are both sleeved on the outer surface of the second sliding rod 123, the second sliding sleeve 125 is fastened to the right side surface of the second cylinder 124, and the second air holes 126 are both opened on the upper and lower surfaces of the second cylinder 124.

As shown in fig. 4, two first air holes 28 have been seted up to the right flank of first barrel 5, through setting up first air hole 28 and second air hole 126, and first air hole 28 can guarantee the circulation of first barrel 5 and outside air, the circulation of second barrel 124 and outside air can be guaranteed to second air hole 126 simultaneously, further the work of first piston 6 and second piston 121 normal removal can be guaranteed, the lower surface of first barrel 5 is provided with a plurality of bolt 4, through setting up bolt 4, and the quantity of bolt 4 is a plurality of, make the staff can rotate suitable bolt 4 according to the demand, and then make bolt 4 carry on spacingly to the shift position of first piston 6, thereby can adapt to the container of different internal diameters, avoid the inner wall contact of this device and container, cause the damage of container inner wall.

As shown in fig. 5, the sealing device 24 includes a first sealing gasket 241, the first sealing gasket 241 is fixedly connected to the lower surface of the upper protection plate 22, a second sealing gasket 242 is overlapped on the lower surface of the first sealing gasket 241, by providing the first sealing gasket 241 and the second sealing gasket 242, the first sealing gasket 241 and the second sealing gasket 242 can be attached to each other, so as to ensure the tightness between the two protection plates 22, improve the sealing effect, and better ensure the protection effect of the sensor body 23, and the second sealing gasket 242 is fixedly connected to the upper surface of the lower protection plate 22.

The utility model discloses a theory of operation does:

s1, when pressure needs to be detected, a worker can install the device in a combustible gas container through the installation plate 27, when the device is used, if high temperature is passed through, the first gas 2 and the second gas 13 in the storage shell 1 and the shell 11 are affected by the high temperature to expand, so that the first gas 2 enters the connecting pipe 3 and the first cylinder 5, the first piston 6 is pushed to move rightwards, the first piston 6 compresses the first spring 8, the first piston 6 pushes the first sliding rod 7 to move rightwards, and the first sliding rod 7 drives the second cylinder 124 to move rightwards through the movable plate 10.

S2, and simultaneously the second gas 13 enters the second cylinder 124 and pushes the second piston 121 to move rightwards, so that the second piston 121 compresses the second spring 122, so that the second piston 121 pushes the second sliding rod 123 to move rightwards, so that the second sliding rod 123 pushes the support plate 14 to move rightwards, so that the support plate 14 pulls the two ropes 17 to move rightwards, so that the two ropes 17 pull the two protection plates 22 to turn open through the two connecting blocks 21, so that the two protection plates 22 compress the two third springs 20.

S3, the sensor body 23 is exposed to detect pressure, and the sensor body 23 can move to the right for detection, if the temperature of the gas passing through the container gradually decreases, so that the temperature of the second gas 13 and the first gas 2 decreases, when the second gas 13 and the first gas 2 decrease to a proper low temperature state, the second spring 122 pushes the second piston 121 to move to the left by its own elastic force, so that the second piston 121 drives the supporting plate 14 to move to the left by the second sliding rod 123, so that the rope 17 is loosened, at this time, the third spring 20 pushes the two protection plates 22 to turn over by its own elastic force through the connecting block 21, so that the two protection plates 22 are closed, so that the two protection plates 22 cover the sensor body 23, so that the protection work of the sensor body 23 is completed, and at the same time, the first spring 8 pushes the first piston 6 to move to the left by its own elastic force, so that the first piston 6 drives the movable plate 10 to move leftward through the first sliding rod 7, and the sensor body 23 is reset leftward.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. Combustible gas temperature pressure sensor, including depositing shell (1), its characterized in that: the storage shell (1) is internally provided with a first gas (2), the right side surface of the storage shell (1) is communicated with the left end of the connecting pipe (3), the outer surface of the connecting pipe (3) is fixedly connected with the inner surface of the movable supporting device (25), the left end of the movable supporting device (25) is fixedly connected with the right side surface of the storage shell (1), the right end of the connecting pipe (3) is communicated with the left side surface of the first cylinder (5), a first piston (6) is arranged on the inner surface of the first cylinder (5), the right side surface of the first piston (6) is fixedly connected with the left end of a first sliding rod (7), the right end of the first sliding rod (7) is fixedly connected with the left side surface of the movable plate (10), the upper surface of the movable plate (10) is fixedly connected with the lower surface of the shell (11), and a second gas (13) is arranged in the shell (11);

the right side surface of the shell (11) is communicated with the left side surface of the movable device (12), the right end of the movable device (12) is fixedly connected with the left side surface of the support plate (14), the movable device (12) comprises a second cylinder (124), the left side surface of the second cylinder (124) is communicated with the right side surface of the shell (11), a second piston (121) is arranged on the inner surface of the second cylinder (124), the right side surface of the second piston (121) is fixedly connected with the left end of a second sliding rod (123), the right end of the second sliding rod (123) is fixedly connected with the left side surface of the support plate (14), the left side surface of the support plate (14) is fixedly connected with the right ends of the two ropes (17), and the left end of each rope (17) is fixedly connected with the right side surface of the connecting block (21);

the lower surface of connecting block (21) is connected with the last fixed surface of guard plate (22), two the same sealing device (24) of opposite face fixedly connected with of guard plate (22), two the right flank of guard plate (22) is all articulated through the left surface of hinge (19) and gusset plate (16), the right flank of gusset plate (16) and the left surface fixed connection of fixed block (15), the right flank of fixed block (15) and the left surface fixed connection of casing (11), the left surface of gusset plate (16) and the right-hand member fixed connection of sensor body (23), the left surface of gusset plate (16) and the right-hand member fixed connection of two third springs (20), the left end of third spring (20) and the right surface fixed connection of connecting block (21).

2. The combustible gas temperature pressure sensor according to claim 1, wherein: deposit the lower surface of shell (1) and the last fixed surface of fixing base (26) and be connected, the lower surface of fixing base (26) and the last fixed surface of mounting panel (27) are connected.

3. The combustible gas temperature pressure sensor according to claim 1, wherein: connecting pipe (3) set up to flexible hose, the right flank of first piston (6) and the left end fixed connection of first spring (8), the right-hand member of first spring (8) and the left flank fixed connection of first sliding sleeve (9), first sliding sleeve (9) and first spring (8) all cup joint the surface at first slide bar (7), first sliding sleeve (9) joint is at the right flank of first barrel (5).

4. The combustible gas temperature pressure sensor according to claim 1, wherein: the upper surface and the lower surface of the reinforcing plate (16) are respectively fixedly connected with the opposite surfaces of the two pulleys (18), and the outer surface of each pulley (18) is overlapped with the lower surface of the rope (17).

5. The combustible gas temperature pressure sensor according to claim 1, wherein: the movable supporting device (25) comprises two telescopic rods (252), fourth springs (251) are sleeved on the outer surfaces of the telescopic rods (252), the left ends of the two telescopic rods (252) and the left ends of the two fourth springs (251) are fixedly connected with the right side face of the storage shell (1), the right ends of the two telescopic rods (252) and the right ends of the two fourth springs (251) are fixedly connected with the left side face of a connecting plate (253), and the inner surface of the connecting plate (253) is fixedly connected with the outer surface of the connecting pipe (3).

6. The combustible gas temperature pressure sensor according to claim 1, wherein: the right flank of second piston (121) and the left end fixed connection of second spring (122), the right-hand member of second spring (122) and the left surface fixed connection of second sliding sleeve (125), second sliding sleeve (125) and second spring (122) all cup joint the surface at second slide bar (123), the right flank of second sliding sleeve (125) joint at second barrel (124), second gas pocket (126) have all been seted up on the upper and lower two surfaces of second barrel (124).

7. The combustible gas temperature pressure sensor according to claim 1, wherein: two first air holes (28) are formed in the right side face of the first cylinder (5), and a plurality of bolts (4) are arranged on the lower surface of the first cylinder (5).

8. The combustible gas temperature pressure sensor according to claim 1, wherein: sealing device (24) include first sealed pad (241), first sealed pad (241) fixed connection is at the lower surface of top guard plate (22), the lower surface overlap joint of first sealed pad (241) has second sealed pad (242), the upper surface of second sealed pad (242) fixed connection in below guard plate (22).