CN220893535U - Electronic water meter capable of being rapidly calibrated - Google Patents

Abstract

The utility model provides an electronic water meter capable of being rapidly verified, which comprises a base meter component and an electronic component arranged on the base meter component, wherein the base meter component comprises a base meter and a water meter; the base meter component comprises a base meter main shell and a rotatable impeller assembly, wherein the base meter main shell is provided with a mounting cavity for mounting the impeller assembly; the impeller assembly comprises an impeller main body and a magnetic ring which rotates synchronously with the impeller main body, the electronic component comprises a magnetic sensing component for generating pulses when the impeller main body and the magnetic ring rotate, and a control main board for receiving pulse information to measure water quantity, and the magnetic sensing component comprises a plurality of magnetic sensing pieces and/or the magnetic ring is a multipolar magnetic ring; each magnetic sensing piece is connected to the control main board; the electronic component is provided with a non-contact photoelectric module which is used for being matched with the verification metering device, and the non-contact photoelectric module is connected with the control main board. The electronic water meter capable of being rapidly calibrated can achieve rapid calibration, is high in calibration efficiency and ensures calibration accuracy.

Description

Electronic water meter capable of being rapidly calibrated

Technical Field

The utility model belongs to the field of water meters, and particularly relates to an electronic water meter capable of being rapidly verified.

Background

The water meter is a device for measuring and recording water flow, and is widely applied to the fields of water supply, water drainage, industrial production and the like. The water meter verification is a process for performing verification operation according to rules specified by national law treatment and metering departments and related organization departments, and the error condition of the water meter indication value is measured through a series of experiments to forcedly evaluate the water meter. In the prior art, the magnetic steel in the water meter is provided with two magnetic poles, one-time metering is carried out when the impeller rotates for one circle (the impeller rotates for one circle approximately for one minute during the minimum flow), and the metering induction point of the water meter cannot be guaranteed to start metering point and end metering point during verification or calibration, so that the water meter and the verification metering device cannot synchronously meter, a calibration result has deviation, and in order to guarantee the measurement accuracy, the number of pulses is generally required to be collected as much as possible to reduce the measurement error, so that the time consumed by verification or calibration is too long, and the production of enterprises is not facilitated.

Disclosure of utility model

The utility model aims to at least overcome one of the defects in the prior art, and provides an electronic water meter capable of being rapidly detected, which can realize rapid detection, has high detection efficiency and ensures detection precision.

The technical scheme of the utility model is as follows: an electronic water meter capable of being rapidly verified comprises a base meter component and an electronic component arranged on the base meter component; the base meter component comprises a base meter main housing and a rotatable impeller assembly, the base meter main housing having a mounting cavity for mounting the impeller assembly; the impeller assembly comprises an impeller main body and a magnetic ring which rotates synchronously with the impeller main body, the electronic component comprises a magnetic sensing component used for generating pulses when the impeller main body and the magnetic ring rotate, and a control main board used for receiving pulse information to measure water quantity, and the magnetic sensing component comprises a plurality of magnetic sensing pieces and/or the magnetic ring is a multipolar magnetic ring; each magnetic sensing piece is connected to the control main board; the electronic component is provided with a non-contact photoelectric module which is used for being matched with the verification metering device, and the non-contact photoelectric module is connected with the control main board.

As a further development of the present solution, the electronic component has a communication module for communication connection with the contactless optoelectronic module for triggering the contactless optoelectronic module.

As a further improvement of the technical scheme, the magnetic sensor is a Hall sensor, and a plurality of Hall sensors are positioned on the outer periphery side of the magnetic ring and are uniformly arranged at intervals along the outer periphery of the magnetic ring.

As a further improvement of the technical scheme, the electronic component comprises a shell cover and a display screen arranged on the shell cover; the display screen is connected to the control main board; the non-contact photoelectric module comprises a non-contact photoelectric interface arranged on the shell cover.

As a further improvement of the technical scheme, the base meter main shell is provided with a first opening communicated with the mounting cavity, and a cover plate with a jack is arranged at the first opening; the shell cover is provided with a connecting part which is used for extending into the jack; the impeller assembly is located below the cover plate.

As a further improvement of the technical scheme, the impeller assembly further comprises a rotating shaft component, a supporting plate is arranged in the base meter main shell, and the impeller main body is sleeved on the outer side of the rotating shaft component; the supporting plate is provided with a central hole, and the top end of the rotating shaft part extends into the central hole; the magnetic ring is positioned in the central hole and connected to the top of the rotating shaft component.

As a further improvement of the technical scheme, the electronic water meter further comprises an impeller shell for extending the bottom end of the rotating shaft part; the impeller body is located between the impeller shell and the support plate.

As a further improvement of the technical scheme, an annular mounting table is arranged on the inner wall of the mounting cavity, and the impeller assembly further comprises a filter screen with the top propped against the annular mounting table; the outer side of the impeller shell is provided with a lap joint table propped against the upper end of the filter screen; the bottom of the impeller shell extends into the filter screen.

As a further improvement of the technical scheme, the upper surfaces of the lap joint tables are arranged on a plurality of abutting tables which are used for abutting against the bottom ends of the supporting plates, and the abutting tables are uniformly distributed along the centers of the supporting plates.

As a further improvement of the technical scheme, the side wall of each abutting table is provided with a step part, and the step part is lower than the top of the abutting table; the bottom of backup pad is provided with annular platform, the lateral wall of butt platform with the outer wall of annular platform meets, the upper surface of step portion support in the diapire of annular platform.

The utility model provides an electronic water meter capable of being rapidly verified, which comprises a base meter component and an electronic component arranged on the base meter component; the base gauge member includes a base gauge main housing having a mounting cavity for mounting an impeller assembly; the impeller assembly comprises an impeller main body and a magnetic ring which can rotate, and a traditional character wheel and a gear transmission part are not needed, so that the cost of the whole machine is reduced; the electronic component comprises a magnetic sensing component used for generating pulses when the impeller main body and the magnetic ring rotate and a control main board used for receiving pulse information to measure water quantity, the magnetic sensing component comprises a plurality of magnetic sensing pieces and/or the magnetic ring is a multipole magnetic ring, the impeller main body and the magnetic ring rotate for one circle to generate more pulse signals, the sensitivity is higher, the metering verification can be completed only by a small amount of water during standard measurement (calibration), the verification time is greatly reduced, and the standard verification efficiency is improved; each magnetic sensing piece is connected to the control main board; the electronic component is provided with a non-contact photoelectric module which is matched with the verification metering device, and the non-contact photoelectric module is connected to the control main board; the non-contact photoelectric module can be used for quick opening verification, and the practicability is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective assembly view of a base meter component of an electronic water meter that can be quickly verified according to an embodiment of the present utility model;

FIG. 2 is an exploded perspective view of a base meter component of a rapidly verifiable electronic water meter in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a base meter component of an electronic water meter capable of being rapidly verified according to an embodiment of the present utility model;

FIG. 4 is a perspective assembly view of electronic components in an electronic water meter with rapid verification according to an embodiment of the present utility model;

Fig. 5 is an exploded perspective view of an electronic component in an electronic water meter capable of being rapidly verified according to an embodiment of the present utility model.

Reference numerals in the drawings:

1. A base table part; 11. a base meter main housing; 110. a mounting cavity; 111. a first opening; 112. an annular mounting table; 12. an impeller assembly; 121. an impeller main body; 122. a cover plate; 123. a rotating shaft member; 124. a support plate; 124a, a central bore; 124b, an annular table; 125. an impeller housing; 125a, a lapping table; 125b, an abutment; 125c, a step portion; 126. a filter screen; 127. a magnetic ring; 2. an electronic component; 20. a non-contact photovoltaic module; 21. a magnetic sensing member; 22. a control main board; 23. a housing cover; 231. a connection part; 24. and a display screen.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the terms "disposed" and "connected" should be construed broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through a central element or a central structure.

In addition, in the embodiments of the present utility model, terms of directions or positional relationships indicated by "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are directions or positional relationships based on the directions or positional relationships shown in the drawings or the conventional placement state or use state, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the structures, features, devices or elements to be referred to must have specific directions or positional relationships nor must be constructed and operated in specific directions, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by different combinations of features/embodiments, where not contradictory, and various possible combinations of features/embodiments in the present utility model are not described further in order to avoid unnecessary repetition.

The embodiment of the utility model provides an electronic water meter capable of being rapidly verified, which comprises a base meter part 1 (shown in figures 1 to 3) and an electronic part 2 (shown in figures 4 and 5); the electronic component 2 is provided to the base table component 1; the base meter part 1 comprises a base meter main housing 11 and an impeller assembly 12, the base meter main housing 11 having a mounting cavity 110 for mounting the impeller assembly 12; the impeller assembly 12 comprises an impeller main body 121 and a magnetic ring 127 which are rotatable, namely the magnetic ring 127 rotates synchronously with the impeller main body 121, the electronic component 2 comprises a magnetic sensing component 21 for generating pulses when the impeller main body 121 and the magnetic ring 127 rotate, and a control main board 22 for receiving pulse information to measure water quantity, and the magnetic ring 127 rotates synchronously with the impeller main body 121; in this embodiment, the magnetic sensing component 21 includes a plurality of magnetic sensing elements, and the magnetic ring 127 is a multipole magnetic ring 127, so that more pulse signals can be generated by rotating the impeller main body 121 and the magnetic ring 127 for one turn, the sensitivity is higher, and particularly, in the standard measurement (calibration), only a small amount of water is needed to complete the metering verification, thus greatly reducing the verification time and improving the standard verification efficiency; each of the magnetic sensing elements is connected to the control main board 22; the electronic component 2 is provided with a non-contact photoelectric module 20 matched with an verification metering device for verification, and the non-contact photoelectric module 20 is connected with the control main board 22; the verification metering device or verification equipment performs verification through the non-contact photoelectric module 20, metering is realized rapidly, verification accuracy is guaranteed, verification efficiency is improved at the same time, and practicality is good.

In some embodiments, the electronic component 2 has a communication module for being communicatively connected to the non-contact optoelectronic module 20 to trigger the non-contact optoelectronic module 20, and in specific applications, when the non-contact optoelectronic module 20 for verification needs to be turned on, a command may be sent, and the non-contact optoelectronic module 20 for verification is turned on and off through the communication module, for example, a connection manner of a communication interface may be a bluetooth connection, so as to more conveniently control the verification switch.

In some embodiments, the magnetic sensor is a hall sensor, and a plurality of hall sensors are located at the outer circumference side of the magnetic ring 127 and are uniformly spaced along the outer circumference of the magnetic ring 127. In this embodiment, the plurality of magnetic sensors are arranged on the control main board 22 at annular intervals, when the impeller main body 121 drives the magnetic ring 127 to rotate to a position corresponding to the magnetic sensors, the magnetic sensors generate pulses, and the pulses can be measured (for example, the standard quantity of water can be given, the number of the pulses can be measured) through the data processing of the control main board 22, so that the quick verification or calibration of the water meter is realized, especially, the verification time can be greatly reduced at the minimum flow point and the demarcation flow point, the verification efficiency is improved, and it is required to be noted that in the standard verification (calibration), the minimum flow refers to the minimum water flow which can be accurately measured and recorded by the water meter, and under the condition that the water consumption of a user is low, the water flow is small, if the water meter cannot accurately measure the small flow, the accuracy of water metering can be affected, therefore, the minimum flow is one of important indexes for testing the performance of the water meter. The demarcation flow is the switching point of the water meter between two flow values; at smaller flows, the measurement result of the water meter may have some errors, but at larger flows, the measurement result may be more accurate and stable; demarcation flow is typically used to determine the turning point of meter performance beyond which the meter measurement is more reliable. The electronic water meter capable of being rapidly calibrated, provided by the embodiment, can complete rapid metering calibration by only a small amount of water, has high calibration speed and short time, and can ensure the precision of calibration results.

In some embodiments, the electronic component 2 includes a housing cover 23 and a display screen 24 disposed on the housing cover 23; the display screen 24 is connected to the control main board 22; the non-contact optoelectronic module 20 includes a non-contact optoelectronic interface disposed on the housing cover 23; in this embodiment, the housing cover 23 includes an upper cover and a lower cover, which are convenient for installation; therefore, the electronic water meter has no gear transmission part for transmission, no mechanical dial plate and pointer display, various data and states are displayed by liquid crystal, and the electronic water meter is very visual and convenient to use.

In some embodiments, the base meter main housing 11 has a first opening 111 communicating with the mounting cavity 110, and a cover plate 122 having a receptacle is provided at the first opening 111; the housing cover 23 has a connection 231 for extending into the receptacle, the impeller assembly 12 being located below the cover plate 122; specifically, the base meter main shell 11 further has a second opening and a third opening for inflow and outflow of water, the second opening and the third opening may be located at two sides of the base meter main shell 11, and the first opening 111 is located at the top of the base meter main shell 11, so that the overall structure is compact.

In some embodiments, the impeller assembly 12 further includes a rotating shaft component 123, the base meter main housing 11 is provided with a support plate 124, and the impeller main body 121 is sleeved outside the rotating shaft component 123; the supporting plate 124 is provided with a central hole 124a, and the top end of the rotating shaft part 123 extends into the central hole 124a; the magnetic ring 127 is located in the central hole 124a and is connected to the top of the rotating shaft member 123. The electronic water meter further comprises an impeller shell 125, and the bottom end of the rotating shaft part 123 extends into the impeller shell 125; the impeller body 121 is located within the impeller housing 125 and below the support plate 124.

In some embodiments, the inner wall of the mounting cavity 110 is provided with an annular mounting table 112, and the impeller assembly 12 further includes a filter screen 126 with a top portion pressed against the annular mounting table 112; the outside of the impeller shell 125 is provided with a lapping table 125a which is propped against the upper end of the filter screen 126; the bottom of the impeller housing 125 extends into the screen 126. The upper surface of the lapping table 125a is disposed on a plurality of abutment tables 125b for abutting against the bottom end of the support plate 124, and the abutment tables 125b are uniformly distributed along the center of the support plate 124. The side wall of each abutment table 125b is provided with a step portion 125c, and the step portion 125c is lower than the top of the abutment table 125 b; the bottom of the supporting plate 124 is provided with an annular table 124b, the side wall of the abutting table 125b is connected with the outer wall of the annular table 124b, and the upper surface of the step portion 125c abuts against the bottom wall of the annular table 124b, so that the whole structure is reliable, and the structure is compact and the volume is small.

The embodiment of the utility model provides an electronic water meter capable of being rapidly verified, which comprises a base meter part 1 and an electronic part 2 arranged on the base meter part 1; the base meter part 1 comprises a base meter main housing 11, the base meter main housing 11 having a mounting cavity 110 for mounting an impeller assembly 12; the impeller assembly 12 comprises an impeller main body 121 and a magnetic ring 127 which can rotate synchronously with the impeller main body 121, and a traditional character wheel and a gear transmission part are not needed, so that the cost of the whole machine is reduced; the electronic component 2 includes a magnetic sensing component 21 for generating pulses when the impeller main body 121 and the magnetic ring 127 rotate, and a control main board 22 for receiving pulse information to measure water quantity, the magnetic sensing component 21 includes a plurality of magnetic sensing pieces, and/or the magnetic ring 127 is a multipole magnetic ring 127, more pulse signals can be generated when the impeller main body 121 and the magnetic ring 127 rotate for one circle, the sensitivity is higher, and particularly, when standard measurement (calibration) is performed, only a small amount of water is needed to finish the measurement verification, the verification time is greatly reduced, and the standard verification efficiency is improved; each magnetic sensor is disposed on the control main board 22; the electronic component 2 has a non-contact optoelectronic module 20 for cooperation with an assay metering device, the non-contact optoelectronic module 20 being connected to the control motherboard 22; the non-contact photoelectric module 20 can be used for rapidly opening and detecting, metering is rapidly achieved, detecting accuracy is guaranteed, detecting efficiency is improved, and practicality is good.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The electronic water meter capable of being rapidly verified is characterized by comprising a base meter component and an electronic component arranged on the base meter component; the base meter component comprises a base meter main housing and a rotatable impeller assembly, the base meter main housing having a mounting cavity for mounting the impeller assembly; the impeller assembly comprises an impeller main body and a magnetic ring which rotates synchronously with the impeller main body, the electronic component comprises a magnetic sensing component used for generating pulses when the impeller main body and the magnetic ring rotate, and a control main board used for receiving pulse information to measure water quantity, and the magnetic sensing component comprises a plurality of magnetic sensing pieces and/or the magnetic ring is a multipolar magnetic ring; each magnetic sensing piece is connected to the control main board; the electronic component is provided with a non-contact photoelectric module which is used for being matched with the verification metering device, and the non-contact photoelectric module is connected with the control main board.

2. The electronic water meter of claim 1, wherein the electronic component has a communication module for communicatively coupling with the non-contact optoelectronic module to trigger the non-contact optoelectronic module.

3. The electronic water meter of claim 1, wherein the magnetic sensor is a hall sensor, and a plurality of hall sensors are located at the outer peripheral side of the magnetic ring and are uniformly spaced along the outer periphery of the magnetic ring.

4. The electronic water meter of claim 1, wherein the electronic component comprises a housing cover and a display screen disposed on the housing cover; the display screen is connected to the control main board; the non-contact photoelectric module comprises a non-contact photoelectric interface arranged on the shell cover.

5. The electronic water meter of claim 4, wherein the base meter main housing has a first opening in communication with the mounting cavity, the first opening having a cover plate with a receptacle disposed therein; the shell cover is provided with a connecting part which is used for extending into the jack; the impeller assembly is located below the cover plate.

6. The electronic water meter of any one of claims 1 to 5, wherein the impeller assembly further comprises a shaft member, a support plate is disposed within the base meter main housing, and the impeller main body is sleeved outside the shaft member; the supporting plate is provided with a central hole, and the top end of the rotating shaft part extends into the central hole; the magnetic ring is positioned in the central hole and connected to the top of the rotating shaft component.

7. The electronic water meter of claim 6, further comprising an impeller housing for receiving a bottom end of the spindle unit; the impeller body is located between the impeller shell and the support plate.

8. The electronic water meter of claim 7, wherein an annular mounting table is provided on an inner wall of the mounting cavity, and the impeller assembly further comprises a filter screen with a top portion pressed against the annular mounting table; the outer side of the impeller shell is provided with a lap joint table propped against the upper end of the filter screen; the bottom of the impeller shell extends into the filter screen.

9. The electronic water meter of claim 8, wherein the upper surface of the landing stage is disposed on a plurality of abutment stages for abutting against the bottom end of the support plate, the plurality of abutment stages being uniformly distributed along the center of the support plate.

10. The electronic water meter of claim 9, wherein a sidewall of each abutment is provided with a step portion that is lower than a top of the abutment; the bottom of backup pad is provided with annular platform, the lateral wall of butt platform with the outer wall of annular platform meets, the upper surface of step portion support in the diapire of annular platform.