CN210441934U

CN210441934U - A screw-wing water meter with a pressure sensor

Info

Publication number: CN210441934U
Application number: CN201920741757.4U
Authority: CN
Inventors: 高国强
Original assignee: Wuhan Waterman Measurement Technology Co Ltd
Current assignee: Wuhan Waterman Measurement Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-05-01
Anticipated expiration: 2029-05-22

Abstract

The utility model provides a take pressure sensor spiral shell wing formula water gauge, including casing, flange and pressure sensor, the flange is fixed set up in on the casing, be equipped with counter and last mounting hole on the flange, be equipped with down the mounting hole on the casing, be equipped with an impeller in the casing, the impeller center is equipped with an impeller shaft, it is just right to go up the mounting hole down the mounting hole, pressure sensor is fixed in the upper and lower mounting hole, the inside converting circuit that is equipped with of pressure sensor to connect outside signal transmitter through the wire. The utility model has the advantages that: the pressure sensor is arranged in the water meter and can measure the water pressure in the water meter; the pressure sensor is arranged in the mounting holes of the flange and the shell, so that the interference phenomenon with other parts can be avoided; a conversion circuit is arranged in the pressure sensor and is connected with a signal transmitter through a lead, so that signals can be conveniently transmitted to a remote terminal through the transmitter, and remote monitoring is realized.

Description

Spiral wing type water meter with pressure sensor

Technical Field

The utility model relates to a measure the continuous flow measurement ware through the instrument fluid, especially design a take pressure sensor spiral wing formula water gauge.

Background

The water meter is used as a metering device for trade settlement, belongs to one of national key management metering devices, is accurate in metering, is directly related to economic benefits of supply and use parties, and is also an important link for realizing fair metering and civil metering. The spiral-wing type water meter also belongs to a speed type water meter. After water flows into the water meter, the spiral wing-shaped impeller of the water meter is impacted along the axial direction to rotate and then flows out, the rotating speed of the impeller is in direct proportion to the water flow speed, after the water flow is subjected to speed reduction transmission by a gear set in a counter, the total water passing through the water meter is displayed on an indicating device of the counter, the self-meter-reading charging workload is continuously increased along with the gradual expansion of a meter-modifying project of each household of tap water, the traditional manual meter-reading mode is increasingly not suitable for the development requirement, the automatic meter-reading technology is advocated and applied, therefore, a plurality of intelligent water meters with remote measurement functions are provided, the intelligent water meters sense the instantaneous flow and the total flow passing through the water meters through a sensor and transmit flow information to a remote terminal, and a worker can monitor a plurality of water meters simultaneously on a display interface of the remote terminal, compared with the manual, however, the problems of the intelligent water meters are as follows: the staff need not the scene for a long time and looks over the water gauge state, can't in time know whether the water gauge is in abnormal state, can take place the precision of user's private adjustment water gauge or directly demolish the water gauge even, leads to the fact the waste of loss and water resource for the water supply plant. The working conditions of the water meter and the like can be reflected in the water pressure in the water meter, whether the water meter is in an abnormal state or not can be approximately reflected by measuring the water pressure in the water meter, but the existing water meters do not have the water pressure function monitoring.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the existing water meter can not monitor the water pressure in the water meter, the embodiment of the utility model provides a spiral wing type water meter with a pressure sensor, which comprises a shell, a flange and the pressure sensor, the flange is fixedly arranged on the shell, the flange is provided with a counter and an upper mounting hole, the shell is provided with a lower mounting hole, the lower mounting hole is arranged at the top of the shell, and penetrates through the shell, an impeller is arranged in the shell, an impeller shaft is arranged in the center of the impeller, the impeller shaft is connected with the counter, used for driving the counter to count, the upper mounting hole is over against the lower mounting hole, the lower end of the pressure sensor is fixed in the lower mounting hole, the upper end is limited in the upper mounting hole, the upper part of the pressure sensor is connected with a lead, and the lead transmits a signal measured by the pressure sensor to an external signal emitter.

Furthermore, an internal thread is arranged in the lower mounting hole, an external thread is arranged at the lower end of the pressure sensor, and the lower end of the pressure sensor is fixed in the lower mounting hole through a thread.

Further, the top end of the impeller shaft is provided with first magnetic steel, a central shaft is arranged in the counter, the lower end of the central shaft is provided with second magnetic steel, and the first magnetic steel is coupled with the second magnetic steel through magnetic force.

Furthermore, an upper fluid director and a lower fluid director are arranged in the shell, the upper fluid director is fixed at the bottom of the flange, the lower fluid director is fixed at the lower part of the upper fluid director, a filter screen is arranged outside the lower fluid director, and the filter screen is used for preventing impurities from entering the lower fluid director.

Furthermore, the flange is provided with a mounting groove, and the counter is arranged in the mounting groove.

Furthermore, a protective cover is arranged on the flange, the protective cover is fixedly arranged on the flange, and the counter covers the protective cover.

The utility model has the advantages that: the pressure sensor is arranged in the water meter and can measure the water pressure in the water meter, so that the working state of the water meter is judged, and the water meter is prevented from being removed privately; the pressure sensor is arranged in the mounting holes of the flange and the shell, so that the interference phenomenon with other parts can be avoided, and the space is saved; a conversion circuit is arranged in the pressure sensor and is connected with the emitter through a lead, so that signals can be conveniently transmitted to a remote terminal through the emitter, and remote monitoring is realized.

Drawings

Fig. 1 is a schematic structural view of the spiral-wing water meter with a pressure sensor of the present invention.

Fig. 2 is a partial enlarged view of the spiral-wing water meter with the pressure sensor.

In the figure: 1-shell, 2-filter screen, 3-lower deflector, 4-impeller, 5-upper deflector, 6-flange, 7-counter, 8-protective cover, 9-pressure sensor, 10-impeller shaft, 11-lead, 12-upper mounting hole, 13-lower mounting hole, 14-first magnetic steel, 15-second magnetic steel, 16-central gear shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

As shown in fig. 1, a spiral water meter with a pressure sensor includes a housing 1, a flange 6 and a pressure sensor 9.

The flange 6 lid is located on the casing 1, casing 1 has water inlet and delivery port, be equipped with divertor 5 and lower divertor 3 in the casing 1, it fixes to go up divertor 5 flange 6 bottom, divertor 3 is fixed down go up the lower part of divertor 5, and the middle vacuole formation of the two, 3 overcoat of divertor is equipped with a filter screen 2 down, filter screen 2 is used for preventing aquatic impurity from getting into in the divertor 3 down, impeller 4 sets up go up the divertor 5 with in the cavity between the divertor 3 down, impeller 4 center is equipped with an impeller shaft 10, the fixed first magnet steel 14 that is equipped with in impeller shaft 10 top.

1 top of flange is equipped with an installation groove, be equipped with a counter 7 in the installation groove, be equipped with central gear shaft 16 in the counter 7, central gear shaft 16 is used for driving thereby gear unit rotates makes in the counter 7 the counter count, 16 lower parts of central gear shaft are equipped with relatively 16 fixed second magnet steel 15 of central gear shaft, second magnet steel 15 and the coupling of first magnet steel 14, can pass through when impeller shaft 10 is rotatory first magnet steel 14 drives central gear shaft 16 with the magnetic force of the coupling of second magnet steel 15 and rotates, thereby drives counter 7 counts, counter 7 is equipped with a safety cover 8 outward, safety cover 8 is fixed on the flange 6, and will counter 7 lid in safety cover 8.

As shown in fig. 2, a through upper mounting hole 12 is provided on the flange 1, a lower mounting hole 13 is provided at the top of the housing 1, the lower mounting hole 13 penetrates through the object, an internal thread is provided in the lower mounting hole 13, the upper mounting hole 12 is aligned to the lower mounting hole 13, an external thread is provided at the lower end of the pressure sensor 9, the lower end of the pressure sensor 9 is fixed in the lower mounting hole 13 through the external thread, the upper end of the pressure sensor 9 is limited in the upper mounting hole 12, the pressure sensor 9 is used for monitoring the pressure of water in the lower mounting hole 13 of the housing 1, a conversion circuit is provided inside the pressure sensor 9, the conversion circuit is used for converting the pressure received by the pressure sensor 9 into an electrical signal, the upper portion of the pressure sensor 9 is connected with a lead 11, and the lead 11 is connected with a signal transmitter, the wire 11 is used for transmitting an electrical signal to the external signal transmitter, and the electrical signal is remotely transmitted to a remote terminal by the signal transmitter.

The utility model discloses a theory of operation: rivers are followed 1 water inlet of casing gets into the casing, and after filter screen 2 was rectified by lower divertor 3, upwards flow through impeller 4 makes its rotation, and the water stream is gone up the divertor 5 after, flows from the delivery port of casing, impeller 4 rotates, thereby makes first magnet steel 14 drives second magnet steel 15 rotates, second magnet steel 15 rotates and makes sun gear shaft 16 rotates and drives the gear train rotates and counts, and simultaneously casing 1 well water is in pressure sensor 9 bottom produces pressure, converting circuit among the pressure sensor 9 converts pressure signal into the signal of telecommunication to through wire transmission to outside transmitter, transmitter with signal of telecommunication transmission to remote terminal.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a take pressure sensor spiral shell wing formula water gauge which characterized in that: including casing, flange and pressure sensor, the flange is fixed set up in on the casing, be equipped with counter and last mounting hole on the flange, be equipped with down the mounting hole on the casing, down the mounting hole set up in the casing top, and run through the casing, be equipped with an impeller in the casing, the impeller center is equipped with an impeller shaft, the impeller shaft is connected the counter is used for the drive the counter count, it is just right to go up the mounting hole down, the pressure sensor lower extreme is fixed in the mounting hole down, the upper end spacing in go up in the mounting hole, a wire is connected on pressure sensor upper portion, the wire will signal transmission to outside signal transmitter that pressure sensor surveyed.

2. A spiral water meter with a pressure sensor as claimed in claim 1, wherein: the lower mounting hole is internally provided with an internal thread, the lower end of the pressure sensor is provided with an external thread, and the lower end of the pressure sensor is fixed in the lower mounting hole through a thread.

3. A spiral water meter with a pressure sensor as claimed in claim 1, wherein: the top end of the impeller shaft is provided with first magnetic steel, a central shaft is arranged in the counter, the lower end of the central shaft is provided with second magnetic steel, and the first magnetic steel is coupled with the second magnetic steel through magnetic force.

4. A spiral water meter with a pressure sensor as claimed in claim 1, wherein: the novel air purifier is characterized in that an upper fluid director and a lower fluid director are arranged in the shell, the upper fluid director is fixed to the bottom of the flange, the lower fluid director is fixed to the lower portion of the upper fluid director, a filter screen is arranged outside the lower fluid director, and the filter screen is used for preventing impurities from entering the lower fluid director.

5. A spiral water meter with a pressure sensor as claimed in claim 1, wherein: the flange is provided with a mounting groove, and the counter is arranged in the mounting groove.

6. A spiral water meter with a pressure sensor as claimed in claim 1, wherein: the counter is characterized in that a protective cover is arranged on the flange, the protective cover is fixedly arranged on the flange, and the counter covers the inside of the protective cover.