CN215413874U - Gas ultrasonic flowmeter capable of preventing gas theft - Google Patents

Abstract

The utility model provides a gas ultrasonic flowmeter for preventing gas theft, which comprises a flowmeter body, wherein an integrating instrument is arranged on the top side of the flowmeter body, an installation base is arranged at the bottom end of the integrating instrument, an annular groove is formed in the top end of the flowmeter body, and a plurality of transmission gears are uniformly and rotatably connected to the inner side of the annular groove. According to the anti-theft component, when any end of the flowmeter body is detached from a pipeline, the insulating inserted rod at the end is pushed out by the first spring due to the fact that the outer end of the insulating inserted rod loses pressure, the first conductive head is in contact with the second conductive head under the pushing of the second spring, and therefore the second battery forms a loop with the audible and visual alarm through the second conductive head, the first conductive head, the conducting wire, the first conducting strip, the first conductive spring, the conducting plate, the second conductive spring and the second conducting strip, and the audible and visual alarm is enabled to generate audible and visual alarm so as to play a certain anti-theft role.

Description

Gas ultrasonic flowmeter capable of preventing gas theft

Technical Field

The utility model relates to the technical field of gas ultrasonic flow meters, in particular to a gas ultrasonic flow meter capable of preventing gas theft.

Background

The gas ultrasonic flowmeter is a process control instrument for detecting and measuring gas flow by utilizing the principle of an ultrasonic velocity difference method.

At present, the existing gas ultrasonic flowmeter can not prevent lawless persons from stealing gas by remounting and assembling a flowmeter body and additionally installing a gas stealing pipeline, the mounting mode of the flowmeter is generally screwed, so that the mounting mode provides convenience for the lawless persons to steal gas on the contrary, and the existing gas ultrasonic flowmeter is not provided with an alarm component for preventing forced disassembly, so that the lawless persons can take the alarm.

Therefore, it is necessary to provide an ultrasonic gas flow meter for preventing gas theft to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a gas ultrasonic flowmeter for preventing gas theft.

In order to solve the technical problem, the utility model provides a gas ultrasonic flowmeter for preventing gas theft, which comprises a flowmeter body, wherein an integrating instrument is arranged on the top side of the flowmeter body, an installation base is arranged at the bottom end of the integrating instrument, an annular groove is formed in the top end of the flowmeter body, a plurality of transmission gears are uniformly and rotatably connected to the inner side of the annular groove, each transmission gear is jointly meshed and connected with a transmission toothed belt, a fixing bolt is fixedly connected to the center of the top end of each transmission gear, the fixing bolt is in threaded connection with the installation base, a driving motor is embedded in the inner top side of the flowmeter body, an output shaft of the driving motor extends to the inner side of the annular groove and is fixedly connected with the adjacent transmission gear, an NFC switch is embedded in one end, close to the driving motor, of the outer side wall of the flowmeter body, an installation groove is formed in the middle position of the top end of the flowmeter body, the inboard of mounting groove is inlayed and is equipped with ultrasonic measurement module and first battery, the both sides that the interior top side of flowmeter body is close to the mounting groove all are provided with the theftproof subassembly, audible-visual annunciator has been installed to one side that the NFC switch was kept away from to the lateral wall of flowmeter body.

Preferably, the anti-theft component comprises an insulating insertion rod and a second battery, the insulating insertion rod is slidably connected to the inner side of the flowmeter body and extends to the outer side of the flowmeter body, the insulating insertion rod and the inner wall of the flowmeter body are fixedly connected with a first spring, one side of the insulating insertion rod, which is far away from the outer side wall of the flowmeter body, is provided with a first conductive head, the bottom end of the first conductive head and the inner wall of the flowmeter body are fixedly connected with a second spring, one side, which is close to the second spring, of the bottom end of the first conductive head is fixedly connected with a wire, one end, which is far away from the first conductive head, of the wire is fixedly connected with a first conductive sheet, the second battery is embedded at the top end of the flowmeter body, the second battery is positioned at the top side of the first conductive sheet, the bottom end of the second battery is provided with a second conductive head, and the top side of the second battery is provided with a cover plate, and the apron inlays the top of locating the flowmeter body, the bottom fixedly connected with current conducting plate of apron, the bottom of current conducting plate corresponds the first conductive spring of position fixedly connected with of second battery, the bottom of current conducting plate is kept away from the position fixedly connected with second conductive spring of first conductive spring, the bottom side of second conductive spring is provided with the second conducting strip, and the second conducting strip inlays the top of locating the flowmeter body, second conducting strip, first conducting strip all and audible-visual annunciator between electric connection.

Preferably, one end of each insulating inserted rod, which is far away from the inner side of the flowmeter body, is fixedly connected with a compression ring.

Preferably, the first battery is electrically connected with the integrating instrument, the ultrasonic measurement module, the driving motor and the NFC switch.

Preferably, the outer side of the audible and visual alarm is provided with a protective cover, and the protective cover is fixedly connected to the outer side wall of the flowmeter body.

Compared with the related art, the gas ultrasonic flowmeter for preventing gas theft provided by the utility model has the following beneficial effects:

(1) the utility model provides a gas ultrasonic flowmeter for preventing gas theft, which is characterized in that an anti-theft component is arranged, when any end of a flowmeter body is detached from a pipeline, an insulating inserted rod at the end is pushed out by a first spring due to the fact that the outer end of the insulating inserted rod loses pressure, so that a first conductive head is in contact with a second conductive head under the pushing of a second spring, a second battery forms a loop with an audible and visual alarm through the second conductive head, the first conductive head, a lead, a first conductive sheet, the first conductive spring, a conductive sheet, the second conductive spring and the second conductive sheet, and the audible and visual alarm generates audible and visual alarm so as to play a certain anti-theft role.

(2) The utility model provides a gas ultrasonic flowmeter for preventing gas theft, which can prevent lawless persons from releasing the alarm of an anti-theft component by unscrewing a packaging structure covered on the anti-theft component through arranging a one-to-one identification component and a screw structure from inside to outside, and further increases the anti-theft property.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

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

FIG. 4 is a schematic diagram of the structure at A in FIG. 1 according to the present invention.

Reference numbers in the figures: 1. a flowmeter body; 2. an integrating instrument; 3. installing a base; 4. mounting grooves; 5. an ultrasonic measurement module; 6. a ring groove; 7. a transmission gear; 8. a drive toothed belt; 9. a drive motor; 10. an NFC switch; 11. pressing a ring; 12. an insulating plug rod; 13. a first spring; 14. a first conductive head; 15. a wire; 16. a second spring; 17. a first conductive sheet; 18. a second conductive head; 19. a first battery; 20. a cover plate; 21. a conductive plate; 22. a first conductive spring; 23. a second conductive spring; 24. a second conductive sheet; 25. fixing the bolt; 26. a protective cover; 27. an audible and visual alarm; 28. a second battery.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to the attached drawings 1-4, an ultrasonic gas flowmeter for preventing gas theft comprises a flowmeter body 1, an integrating instrument 2 is arranged on the top side of the flowmeter body 1, an installation base 3 is arranged at the bottom end of the integrating instrument 2, an annular groove 6 is formed in the top end of the flowmeter body 1, a plurality of transmission gears 7 are uniformly and rotatably connected to the inner side of the annular groove 6, each transmission gear 7 is jointly meshed and connected with a transmission toothed belt 8, a fixing bolt 25 is fixedly connected to the center of the top end of each transmission gear 7, the fixing bolt 25 is in threaded connection with the installation base 3, a driving motor 9 is embedded in the inner top side of the flowmeter body 1, an output shaft of the driving motor 9 extends to the inner side of the annular groove 6 and is fixedly connected with the adjacent transmission gear 7, an NFC switch 10 is embedded in one end, close to the driving motor 9, of the outer side wall of the flowmeter body 1, an installation groove 4 is formed in the middle position of the top end of the flowmeter body 1, the inboard of mounting groove 4 is inlayed and is equipped with ultrasonic measurement module 5 and first battery 19, and the interior top side of flowmeter body 1 all is provided with the theftproof subassembly near the both sides of mounting groove 4, and audible-visual annunciator 27 has been installed to one side that NFC switch 10 was kept away from to flowmeter body 1's lateral wall.

In a further scheme, the anti-theft component comprises an insulating inserted rod 12 and a second battery 28, the insulating inserted rod 12 is slidably connected to the inner side of the flowmeter body 1 and extends to the outer side of the flowmeter body 1, the insulating inserted rod 12 and the inner wall of the flowmeter body 1 are fixedly connected with a first spring 13, one side of the insulating inserted rod 12, which is far away from the outer side wall of the flowmeter body 1, is provided with a first conductive head 14, the bottom end of the first conductive head 14 and the inner wall of the flowmeter body 1 are fixedly connected with a second spring 16, one side of the bottom end of the first conductive head 14, which is close to the second spring 16, is fixedly connected with a lead 15, one end of the lead 15, which is far away from the first conductive head 14, is fixedly connected with a first conductive sheet 17, the second battery 28 is embedded at the top end of the flowmeter body 1, the second battery 28 is positioned at the top side of the first conductive sheet 17, the bottom end of the second battery 28 is provided with a second conductive head 18, the top side of the second battery 28 is provided with a cover plate 20, the cover plate 20 is embedded at the top end of the flowmeter body 1, the bottom end of the cover plate 20 is fixedly connected with a conductive plate 21, the bottom end of the conductive plate 21 is fixedly connected with a first conductive spring 22 corresponding to the position of a second battery 28, the bottom end of the conductive plate 21 is fixedly connected with a second conductive spring 23 far away from the position of the first conductive spring 22, the bottom side of the second conductive spring 23 is provided with a second conductive plate 24, the second conductive plate 24 is embedded at the top end of the flowmeter body 1, the second conductive plate 24 and the first conductive plate 17 are electrically connected with an audible and visual alarm 27, when any end of the flowmeter body 1 is detached from a pipeline, the insulating insertion rod 12 at the end is ejected outwards by the first spring 13 due to the pressure loss of the outer end, so that the first conductive head 14 is in contact with the second conductive head 18 under the pushing of the second spring 16, and the second battery 28 passes through the second conductive head 18, The first conductive head 14, the wire 15, the first conductive sheet 17, the first conductive spring 22, the conductive sheet 21, the second conductive spring 23 and the second conductive sheet 24 form a loop with the audible and visual alarm 27, so that the audible and visual alarm 27 generates audible and visual alarm to play a certain role in preventing burglary.

In the further scheme, each insulating inserted bar 12 is kept away from the equal fixedly connected with clamping ring 11 of the inboard one end of flowmeter body 1, sets up clamping ring 11 accessible through the outer end at insulating inserted bar 12 and carries out the shutoff to the hole between insulating inserted bar 12 and the flowmeter body 1, avoids between external water and the dust infiltration flowmeter body 1 and the insulating inserted bar 12, avoids insulating inserted bar 12's slip to receive the hindrance.

In the further scheme, equal electric connection between first battery 19 and integrating instrument 2, ultrasonic measurement module 5, driving motor 9, the NFC switch 10 is convenient for supply power to integrating instrument 2, ultrasonic measurement module 5, driving motor 9, the NFC switch 10 through first battery 19.

In the further scheme, audible and visual alarm 27's the outside is provided with protection casing 26, and protection casing 26 fixed connection is in the lateral wall of flowmeter body 1, is convenient for protect audible and visual alarm 27 through protection casing 26, avoids external rainwater infiltration audible and visual alarm 27 inboard.

The working principle of the gas ultrasonic flowmeter for preventing gas theft provided by the utility model is as follows: when any end of the flowmeter body 1 is detached from the pipeline, the insulating inserted link 12 at the end is pushed out by the first spring 13 due to the loss of pressure at the outer end, so that the first conductive head 14 is pushed by the second spring 16 to contact with the second conductive head 18, and the second battery 28 forms a loop with the audible and visual alarm 27 through the second conductive head 18, the first conductive head 14, the conducting wire 15, the first conductive sheet 17, the first conductive spring 22, the conductive sheet 21, the second conductive spring 23 and the second conductive sheet 24, so that the audible and visual alarm 27 generates audible and visual alarm to play a certain anti-theft role;

the staff will have the unblock equipment laminating of the NFC chip of mating in the NFC switch 10 outside, NFC switch 10 discernment starts driving motor 9 after accomplishing, driving motor 9 then drives corresponding drive gear 7 and rotates, can drive surplus drive gear 7 through drive cingulum 8 and rotate when this drive gear 7 rotates, consequently each fixing bolt 25 rotates simultaneously, so that accomplish the installation or the dismantlement of the installation base 3 of integrating instrument 2, it can extrude each apron 20 and tightly inlay the top side at flowmeter body 1 after the installation base 3 accomplishes the installation, can avoid lawless persons to remove the alarm of theftproof subassembly through unscrewing the packaging structure of lid on the theftproof subassembly through setting up such discernment and mounting structure, the theftproof nature has further been increased.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (5)

1. The utility model provides a prevent gas ultrasonic flowmeter who steals gas, its characterized in that, includes flowmeter body (1), the top side of flowmeter body (1) is provided with integrating instrument (2), the bottom of integrating instrument (2) is provided with installation base (3), annular (6) have been seted up on the top of flowmeter body (1), the inboard even rotation of annular (6) is connected with a plurality of drive gear (7), each drive gear (7) mesh jointly and are connected with drive cingulum (8), each the top center department of drive gear (7) all fixedly connected with fixing bolt (25), and threaded connection between fixing bolt (25) and installation base (3), driving motor (9) have been inlayed to the interior top side of flowmeter body (1), and the output shaft of driving motor (9) extend to the inboard of annular (6) and with adjacent drive gear (7) between fixed connection, the utility model discloses a flowmeter, including flowmeter body (1), the lateral wall of flowmeter body (1) is close to the one end of driving motor (9) and inlays and be equipped with NFC switch (10), mounting groove (4) have been seted up to the top intermediate position of flowmeter body (1), the inboard of mounting groove (4) is inlayed and is equipped with ultrasonic measurement module (5) and first battery (19), the both sides that the interior top side of flowmeter body (1) is close to mounting groove (4) all are provided with the theftproof subassembly, audible-visual annunciator (27) have been installed to one side that NFC switch (10) was kept away from to the lateral wall of flowmeter body (1).

2. The gas ultrasonic flowmeter for preventing gas theft according to claim 1, wherein the anti-theft component comprises an insulating inserted rod (12) and a second battery (28), the insulating inserted rod (12) is slidably connected to the inner side of the flowmeter body (1) and extends to the outer side of the flowmeter body (1), the insulating inserted rod (12) and the inner wall of the flowmeter body (1) are fixedly connected with a first spring (13) together, one side of the insulating inserted rod (12) far away from the outer side wall of the flowmeter body (1) is provided with a first conductive head (14), the bottom end of the first conductive head (14) and the inner wall of the flowmeter body (1) are fixedly connected with a second spring (16) together, one side of the bottom end of the first conductive head (14) close to the second spring (16) is fixedly connected with a lead (15), one end of the lead (15) far away from the first conductive head (14) is fixedly connected with a first conductive sheet (17), the second battery (28) is embedded at the top end of the flowmeter body (1), the second battery (28) is positioned at the top side of the first conducting strip (17), the second conducting head (18) is arranged at the bottom end of the second battery (28), the cover plate (20) is arranged at the top side of the second battery (28), the cover plate (20) is embedded at the top end of the flowmeter body (1), the conducting plate (21) is fixedly connected at the bottom end of the cover plate (20), the first conducting spring (22) is fixedly connected at the position, corresponding to the second battery (28), of the bottom end of the conducting plate (21), the second conducting spring (23) is fixedly connected at the position, far away from the first conducting spring (22), of the bottom end of the conducting plate (21), the second conducting strip (24) is arranged at the bottom side of the second conducting spring (23), and the second conducting strip (24) is embedded at the top end of the flowmeter body (1), the second conducting strip (24) and the first conducting strip (17) are electrically connected with the audible and visual alarm (27).

3. The ultrasonic gas flow meter for preventing gas theft according to claim 2, wherein a press ring (11) is fixedly connected to one end of each insulating plug rod (12) far away from the inner side of the flow meter body (1).

4. The ultrasonic gas flow meter for preventing gas theft according to claim 1, wherein the first battery (19) is electrically connected with the integrating instrument (2), the ultrasonic measurement module (5), the driving motor (9) and the NFC switch (10).

5. A gas theft prevention ultrasonic flow meter according to claim 1, characterized in that the outside of the audible and visual alarm (27) is provided with a shield (26), and the shield (26) is fixedly connected to the outside wall of the flow meter body (1).

Images