CN217032634U

CN217032634U - Turbine flowmeter with anti-theft mechanism

Info

Publication number: CN217032634U
Application number: CN202220543544.2U
Authority: CN
Inventors: 王三刚; 周洪峰
Original assignee: Tianjin Jiahai Instrument Complete Equipment Co ltd
Current assignee: Tianjin Jiahai Instrument Complete Equipment Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-22
Anticipated expiration: 2032-03-11

Abstract

The utility model belongs to the technical field of turbine flowmeters, and particularly discloses a turbine flowmeter with an anti-theft mechanism, which comprises a meter body and a signal connector in threaded connection with the meter body, wherein the front guide sleeve and the rear guide sleeve are symmetrically arranged at the two ends of the interior of the meter body in a bilateral mode, and two driving shafts which are symmetrically arranged are arranged between the front guide sleeve and the rear guide sleeve; the torque sensor used for detecting the rotating torque is additionally arranged between the impeller and the driving shaft, the change of the rotating torque between the driving shaft and the impeller rotating shaft rod can be monitored in real time through the torque sensor, so that whether the rotating speed of the impeller changes or not is monitored in real time, if the rotating speed of the impeller changes, abnormal information is transmitted to an external platform through the information transmission module, the information transmission module preferably adopts a GPRS communication module, a supply company can timely collect the abnormal information and process the abnormal information, and the loss is reduced.

Description

Turbine flowmeter with anti-theft mechanism

Technical Field

The utility model relates to a turbine flowmeter, in particular to a turbine flowmeter with an anti-theft mechanism.

Background

The turbine flowmeter is a speed type instrument, has the advantages of high precision, good repeatability, simple structure, high pressure resistance, wide measurement range, small volume, light weight, small pressure loss, long service life, simple operation, convenient maintenance and the like, and is used for measuring the volume flow and the cumulant of low viscosity, strong corrosivity and clean liquid in a closed pipeline. Can be widely applied to industries such as petroleum, chemical engineering, metallurgy, organic liquid, inorganic liquid, liquefied gas, urban gas pipe network, pharmacy, food, paper making and the like.

With the rapid development of cities, supply pipelines for tap water and natural gas are gradually improved, the flow of gas or liquid in the pipelines is usually detected by using a flow meter, in recent years, illicit molecules drive benefits, and the flow meter is reduced or omitted by means of refitting or destroying the flow meter, so that the purposes of stealing water, electricity and gas are achieved, and the economic benefit of supply companies is seriously damaged.

Accordingly, those skilled in the art have provided a turbine flow meter with an anti-theft mechanism to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a turbine flowmeter having an anti-theft mechanism to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a turbine flowmeter with anti-theft mechanism, including the strapping table body and with strapping table body threaded connection's converter, the bottom of converter with strapping table body coupling, top spiro union have display instrument, the last pipeline that has set firmly two symmetric distributions of display instrument connects, the inside both ends bilateral symmetry of the strapping table body distributes and is provided with preceding uide bushing and back uide bushing, preceding uide bushing with be provided with the drive shaft of two symmetric distributions between the back uide bushing, two the intermediate position department of drive shaft is connected with the impeller through the axostylus axostyle transmission, the spiro union has the torque sensor with internal power source electric connection in the drive shaft, can dismantle on the strapping table body and be connected with the alarm with internal power source electric connection, the alarm with torque sensor signal connection.

As a still further scheme of the utility model: the metering gauge is characterized in that a monitoring mechanism connected with a torque sensor signal is further arranged on the metering gauge body and comprises a monitoring box, two independent cavities are separated into the monitoring box through a partition plate, a telescopic cylinder connected with an external air source is connected to one side of the partition plate in a threaded mode, a camera is fixedly arranged at the output end of the telescopic cylinder, and a through hole is formed in the front side of the monitoring mechanism.

As a still further scheme of the utility model: the inboard of through-hole is equipped with four dustproof diaphragm that are axisymmetric distribution, the outer wall cover of camera is equipped with the protection casing, the protection casing protrusion the camera.

As a still further scheme of the utility model: the inside of monitoring mechanism sets firmly the infrared sensor with internal power electric connection, infrared sensor with camera signal connection.

As a still further scheme of the utility model: the inner diameter of the through hole is larger than the outer diameter of the protective cover.

As a still further scheme of the utility model: the dustproof membrane is made of elastic plastic.

Compared with the prior art, the utility model has the beneficial effects that:

1. the torque sensor for detecting the rotating torque is additionally arranged between the impeller and the driving shaft, the change of the rotating torque between the driving shaft and the impeller rotating shaft rod can be monitored in real time through the torque sensor, so that whether the rotating speed of the impeller changes or not is monitored in real time, if the rotating speed of the impeller changes, abnormal information is transmitted to an external platform through the information transmission module, and the information transmission module preferably adopts a GPRS communication module, so that a supply company can collect and process the abnormal information in time, and the loss is reduced;

2. the flowmeter designed by the utility model can prevent external personnel from refitting the flowmeter, so that the economic benefit of a supply company is damaged, and whether the flowmeter is accurately measured can be monitored in real time by using the torque sensor, so that the flowmeter is overhauled in time when a problem occurs, and the measuring accuracy of the flowmeter is improved.

Drawings

FIG. 1 is a schematic view of a turbine flow meter having an anti-theft mechanism;

FIG. 2 is a schematic sectional elevation view of a turbine flowmeter having an anti-theft mechanism;

FIG. 3 is an enlarged detail view of a turbine flowmeter with an anti-theft mechanism shown in FIG. 2 at A;

fig. 4 is a side cross-sectional view of a monitoring mechanism in a turbine flow meter having an anti-theft mechanism.

In the figure: 1. a meter body; 2. a converter; 3. a display instrument; 31. a pipe joint; 4. an alarm; 5. a monitoring mechanism; 501. a through hole; 51. a partition plate; 52. a telescopic cylinder; 53. a camera; 531. a protective cover; 54. a dust-proof membrane; 6. a front guide sleeve; 7. a rear guide sleeve; 8. a drive shaft; 81. a shaft lever; 82. a torque sensor; 9. an impeller.

Detailed Description

In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings.

In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to encompass all aspects of the utility model. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any one implementation. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.

The utility model provides a turbine flowmeter with an anti-theft mechanism, which is shown by combining figures 1-4, and comprises a meter body 1 and a converter 2 in threaded connection with the meter body 1, wherein the bottom end of the converter 2 is connected with the meter body 1, the top end of the converter 2 is in threaded connection with a display instrument 3, two symmetrically distributed pipeline joints 31 are fixedly arranged on the display instrument 3, a front guide sleeve 6 and a rear guide sleeve 7 are symmetrically distributed at the left and right ends of the interior of the meter body 1, two symmetrically distributed driving shafts 8 are arranged between the front guide sleeve 6 and the rear guide sleeve 7, impellers 9 are in transmission connection at the middle positions of the two driving shafts 8 through shaft rods 81, torque sensors 82 electrically connected with an internal power supply are in threaded connection with the driving shafts 8, an alarm 4 electrically connected with the internal power supply is detachably connected with the meter body 1, and the alarm 4 is in signal connection with the torque sensors 82.

In this embodiment: two driving shafts 8 which are symmetrically distributed are arranged between the front guide sleeve 6 and the rear guide sleeve 7, the middle positions of the two driving shafts 8 are in transmission connection with impellers 9 through shaft rods 81, torque sensors 82 which are electrically connected with an internal power supply are screwed on the driving shafts 8, an alarm 4 which is electrically connected with the internal power supply is detachably connected on the meter body 1, and the alarm 4 is in signal connection with the torque sensors 82; the change of the rotating torque between the driving shaft 8 and the rotating shaft 81 of the impeller 9 can be monitored in real time through the torque sensor 82, so that whether the rotating speed of the impeller 9 is changed or not is monitored in real time, if the rotating speed of the impeller 9 is changed, abnormal information is transmitted to an external platform through the information transmission module, the information transmission module preferably adopts a GPRS communication module, a supply company can collect the abnormal information in time and process the information, and loss is reduced.

Specifically, the metering gauge body 1 is further provided with a monitoring mechanism 5 in signal connection with the torque sensor 82, the monitoring mechanism 5 comprises a monitoring box, the monitoring box is internally divided into two independent cavities through a partition plate 51, one side of the partition plate 51 is in threaded connection with a telescopic cylinder 52 connected with an external air source, the output end of the telescopic cylinder 52 is fixedly provided with a camera 53, the front side of the monitoring mechanism 5 is provided with a through hole 501, the inner side of the monitoring mechanism 5 is fixedly provided with an infrared sensor electrically connected with an internal power supply, and the infrared sensor is in signal connection with the camera 53; wherein, the camera 53 is in a normally closed state and is arranged in the monitoring box, which can prevent the camera 53 from being polluted by external dust and influence the shooting effect of the camera 53, the infrared sensor can sense the movement of objects in a certain range, when sensing objects meeting the requirements, the telescopic cylinder 52 is started to drive the camera 53 to extend out from the through hole 501, the camera 53 is started to shoot, the shot image is transmitted to an external platform through the information transmission module, which is convenient for the platform personnel to judge, if the illegal molecule is stolen, the supply company can also timely respond, which is convenient for the supply company to lock the suspect and obtain the evidence, and when the infrared sensor does not sense the objects meeting the requirements in a period of time, the camera 53 is closed, and the telescopic cylinder 52 is started to drive the camera 53 to be recycled into the monitoring box, if the camera 53 shoots that the monitoring picture has people (and the face identification is not the staff logged in the external platform), namely, the signal is transmitted to the alarm 4, and the alarm 4 can give out buzzing sound, so that the thieves and residents around the instrument box are warned, and the larger loss is avoided.

Specifically, four dustproof membranes 54 which are axially symmetrically distributed are arranged on the inner side of the through hole 501, and the protective cover 531 protrudes out of the camera 53; the protection device is used for protecting the camera 53, preventing dust deposition on the lens of the camera 53, and the outer wall sleeve of the camera 53 is provided with the protection cover 531 which protrudes out of the camera 53, so that when the camera 53 extends out, the protection film 54 is contacted earlier than the camera 53, the protection film 54 is pushed open, and the camera 53 is enabled to extend out smoothly.

Specifically, the inner diameter of the through hole 501 is larger than the outer diameter of the shield 531; so that the camera 53 can smoothly protrude out of the through hole 501.

Specifically, the dustproof membrane 54 is made of elastic plastic; has good elasticity and automatically rebounds to the sealing through hole 501 when the camera 53 is retracted.

The working principle of the utility model is as follows: the working principle of the turbine flowmeter is that a blade rotating through an impeller 9 cuts magnetic lines of force, the magnetic flux of a coil is periodically changed, so that electric pulse signals are induced at two ends of the coil, the signals are amplified and shaped through a converter 2, and continuous rectangular pulse waves with certain amplitude are formed and can be transmitted to a display instrument 3 to display the instantaneous flow and the cumulant of the fluid; the utility model adds a torque sensor 82 for detecting the rotation torque between an impeller 9 and a driving shaft 8, the torque sensor 82 can monitor the change of the rotation torque between the driving shaft 8 and a rotating shaft 81 of the impeller 9 in real time, thereby monitoring whether the rotating speed of the impeller 9 is changed in real time, if the rotating speed of the impeller 9 is changed, abnormal information is transmitted to an external platform through an information transmission module, wherein the information transmission module preferably adopts a GPRS communication module, a supplier can collect and process the abnormal information in time, the loss is reduced, an alarm 4 and a monitoring mechanism 5 which are in signal connection with the torque sensor 82 are additionally arranged on a flowmeter body, the monitoring mechanism 5 comprises a camera 53 and an infrared sensor which is in signal connection with the camera 53, wherein the camera 53 is in a normally closed state and is arranged in a monitoring box, and the pollution of external dust to the camera 53 can be prevented, the shooting effect of the camera 53 is influenced, the infrared sensor can sense the movement of objects within a certain range, when objects meeting the requirements are sensed, the telescopic cylinder 52 is started to drive the camera 53 to extend out of the through hole 501, the camera 53 is started to shoot, the shot images are transmitted to an external platform through the information transmission module, the judgment of platform personnel is facilitated, if illegal persons steal, a supply company can timely respond to the situation, the suspect is conveniently locked by the supply company, the evidence of the supply company is conveniently taken, when the infrared sensor does not sense the objects meeting the requirements within a period of time, the camera 53 is closed, the telescopic cylinder 52 is started to drive the camera 53 to be recycled into the monitoring box, if the camera 53 shoots that persons exist in the monitoring picture (and the face identification is not the worker recorded in the external platform), the signal is transmitted to the alarm 4, the alarm 4 sends a buzzer, therefore, thieves and residents around the instrument box are warned, and larger loss is avoided; the flowmeter designed by the utility model can prevent external personnel from modifying the flowmeter and damaging the economic benefit of a supply company, and the torque sensor 82 can be used for monitoring whether the flowmeter is accurate in metering in real time, so that the flowmeter is maintained in time when problems occur, and the metering accuracy of the flowmeter is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. A turbine flowmeter with an anti-theft mechanism comprises a meter body (1) and a converter (2) in threaded connection with the meter body (1), wherein the bottom end of the converter (2) is connected with the meter body (1), the top end of the converter is in threaded connection with a display instrument (3), two symmetrically distributed pipeline joints (31) are fixedly arranged on the display instrument (3), the turbine flowmeter is characterized in that a front guide sleeve (6) and a rear guide sleeve (7) are symmetrically distributed at the left end and the right end of the inner part of the meter body (1), two symmetrically distributed driving shafts (8) are arranged between the front guide sleeve (6) and the rear guide sleeve (7), impellers (9) are connected at the middle positions of the two driving shafts (8) in a transmission manner through a shaft rod (81), and a torque sensor (82) electrically connected with an internal power supply is in threaded connection with the driving shafts (8), the electric power meter is characterized in that the alarm (4) electrically connected with an internal power supply is detachably connected to the meter body (1), and the alarm (4) is in signal connection with the torque sensor (82).

2. The turbine flowmeter with the anti-theft mechanism according to claim 1, wherein the meter body (1) is further provided with a monitoring mechanism (5) in signal connection with the torque sensor (82), the monitoring mechanism (5) comprises a monitoring box, the monitoring box is divided into two independent cavities by a partition plate (51), one side of the partition plate (51) is in threaded connection with a telescopic cylinder (52) connected with an external air source, the output end of the telescopic cylinder (52) is fixedly provided with a camera (53), and the front side of the monitoring mechanism (5) is provided with a through hole (501).

3. The turbine flowmeter with the anti-theft mechanism according to claim 2, wherein the through hole (501) is provided with four axially symmetrically distributed dustproof diaphragms (54) on the inner side, the outer wall of the camera (53) is sleeved with a protective cover (531), and the protective cover (531) protrudes out of the camera (53).

4. A turbine flowmeter with an anti-theft mechanism according to claim 3, wherein an infrared sensor electrically connected with an internal power supply is fixedly arranged on the inner side of the monitoring mechanism (5), and the infrared sensor is in signal connection with the camera (53).

5. The turbine flow meter with an anti-theft mechanism according to claim 4, characterized in that the inner diameter of the through hole (501) is larger than the outer diameter of the shield (531).

6. A turbine meter with anti-theft mechanism according to claim 5, characterized in that said dust diaphragm (54) is of resilient plastic material.