CN113899414A - Electromagnetic water meter - Google Patents
Electromagnetic water meter Download PDFInfo
- Publication number
- CN113899414A CN113899414A CN202111056838.9A CN202111056838A CN113899414A CN 113899414 A CN113899414 A CN 113899414A CN 202111056838 A CN202111056838 A CN 202111056838A CN 113899414 A CN113899414 A CN 113899414A
- Authority
- CN
- China
- Prior art keywords
- water flow
- battery module
- housing
- water meter
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides an electromagnetic water meter, comprising: the water flow sensor comprises a water flow acquisition module, a water flow detection module and a control module, wherein the water flow acquisition module comprises a sensor for acquiring a magnetic induction signal of water flow and a converter for processing the magnetic induction signal, the sensor is in signal connection with the converter, the sensor further comprises a liner tube for guiding the water flow and an electrode for sensing the magnetic induction signal of the water flow, and the electrode is arranged on the liner tube; a housing, the converter being disposed on the housing, the liner extending through the housing and being connected to a surface of the housing; and the battery module is connected with the sensor through a connecting block for heat dissipation. For avoiding ambient temperature to battery module's influence, accessible casing comes separation ambient temperature to battery module's direct influence, can also realize the heat exchange between battery module and the intraductal fluid of bushing through the connecting block for generating heat of battery module is controllable, and is in under the operating temperature condition of ideal with the battery module.
Description
Technical Field
The invention relates to the field of detection equipment, in particular to an electromagnetic water meter.
Background
With the progress of times, scientific technology is continuously updated and metering performance is continuously improved. Conventional mechanical water meters are increasingly being replaced by electromagnetic water meters. Compared with a mechanical water meter, the electromagnetic water meter is of a full-through structure, has zero pressure loss and is free of abrasion; the performances of ultra-large range ratio, small flow sensitivity, ultra-large flow measurement and the like are superior to those of the common traditional water meter. Along with the remote monitoring management software system and the electromagnetic water meter with the remote transmission function, the electromagnetic water meter can not only realize the receiving and the storage of the flow meter data, but also realize the statistics and the analysis of the flow data, and can conveniently and timely control the water consumption condition of each flow measurement point in the area.
The common electromagnetic water meter consists of a sensor and a converter. Typically, the two components are bolted together to achieve a level of protection of IP68 by compressing the seal. Due to the fact that the field use working conditions of the electromagnetic water meter are complex, the sealing element fails, the pressing force of the screw is insufficient or the sealing surface is damaged frequently along with the passage of time, and the factors can cause the interior of the electromagnetic water meter to be soaked. How to avoid these situations must be optimized for the structure.
At present, most of electromagnetic water meters are supplied with power by lithium batteries with internal parts, and battery boxes are fixed inside converters. Among all environmental factors, ambient temperature has the greatest effect on the discharge performance of a battery, and the electrochemical reaction at the electrode/electrolyte interface, which is considered to be the heart of a lithium battery, is related to ambient temperature. The influence of the environmental temperature on the battery is irreversible, the lithium battery is best to be used at 0-40 ℃, and if the temperature is beyond the temperature range, the discharge of the lithium battery is accelerated, so that the service life of the electromagnetic water meter is influenced.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an electromagnetic water meter, which is used to solve the problem that the battery of the electromagnetic water meter in the prior art is susceptible to the ambient temperature.
To achieve the above and other related objects, the present invention provides an electromagnetic water meter, including:
the water flow sensor comprises a water flow acquisition module, a water flow detection module and a control module, wherein the water flow acquisition module comprises a sensor for acquiring a magnetic induction signal of water flow and a converter for processing the magnetic induction signal, the sensor is in signal connection with the converter, the sensor further comprises a liner tube for guiding the water flow and an electrode for sensing the magnetic induction signal of the water flow, and the electrode is arranged on the liner tube;
a housing, the converter being disposed on the housing, the liner extending through the housing and being connected to a surface of the housing;
and the battery module is connected with the sensor through a connecting block for heat dissipation.
Optionally, the battery module is disposed inside the housing and isolated from the housing.
Optionally, the housing includes a plurality of outer walls, and two adjacent outer walls are fixedly connected by welding.
Optionally, the converter is fixedly connected to an outer wall located above the housing.
Optionally, a plane where the battery module is located is defined as a first plane, and an extending direction of the liner tube is defined as a first direction, wherein the first direction is perpendicular to the first plane.
Optionally, the extending direction of the battery module is defined as a second direction, and the first direction is perpendicular to the second direction.
Optionally, the battery module includes an energy unit and a battery box, and the battery box is matched with the energy unit.
Optionally, the liner tube is made of a first material, the connecting block is made of a second material, the battery box is made of a third material, and the thermal conductivity of the first material and the thermal conductivity of the second material are higher than that of the third material.
Optionally, the liner tube further comprises a flange plate, and the flange plate is connected with the liner tube.
As described above, the electromagnetic water meter of the present invention has the following beneficial effects:
for avoiding ambient temperature to battery module's influence, accessible casing comes separation ambient temperature to battery module's direct influence, can also realize the heat exchange between battery module and the intraductal fluid of bushing through the connecting block for generating heat of battery module is controllable, and is in under the operating temperature condition of ideal with the battery module.
Drawings
Fig. 1 is a schematic view showing an overall structure of an electromagnetic water meter according to an embodiment of the present invention.
Fig. 2 is a schematic half sectional view of an electromagnetic water meter according to an embodiment of the present invention.
Fig. 3 is a schematic view of a heat dissipation structure according to an embodiment of the invention.
Fig. 4 is a top view of a heat dissipation structure according to an embodiment of the invention.
Fig. 5 shows a flow chart of an embodiment of the present invention.
Description of reference numerals
1 casing
2 sensor
3 converter
4 connecting block
5 Battery module
6 liner tube
7 flange plate
8 direction of water flow
9 battery module air heat radiation flow direction
10 heat dissipation flow direction of battery module and connecting block
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Please refer to fig. 1 to 5. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated. The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 5, the present invention provides an electromagnetic water meter, including:
the acquisition module comprises a sensor 2 for acquiring magnetic induction signals of water flow and a converter 3 for processing the magnetic induction signals, wherein the sensor 2 is in signal connection with the converter 3, the sensor 2 further comprises a liner tube 6 for guiding the water flow and an electrode for inducing the magnetic induction signals of the water flow, the electrode is arranged on the liner tube 6, in the working process of the electromagnetic water meter, a magnet exciting coil in the sensor is electrified to generate a magnetic field, when conductive fluid (water flow) passes through the magnetic field, tiny magnetic induction signals are generated due to the acting force of cutting magnetic lines, the tiny magnetic induction signals are acquired and obtained by the electrode, and the flow or the flow speed of the water flow is obtained through the intensity and the flowing time of the magnetic induction signals;
the converter 3 is arranged on the shell 1, and the liner 6 penetrates through the shell 1 and is connected with the surface of the shell 1;
In some implementation processes, a plurality of battery modules 5 can be added inside the housing 1, the purpose of prolonging the endurance cycle and the service life of the electromagnetic water meter is achieved by increasing the number of the battery modules, and the battery life attenuation caused by frequent charging and discharging and the influence of external environmental conditions is also avoided, for example, the design requirements of the battery water meters with different sizes, types and endurance requirements can be met by increasing or reducing the caliber of the housing 1, and for example, more battery modules 5 are added by increasing the aperture of the housing 1.
Referring to fig. 4 and 5, the battery module 5 is disposed inside the housing 1 and is isolated from the housing 1, in some implementation processes, a certain distance is kept between the battery module 5 and the housing 1, so as to prevent the battery module 5 from being directly affected by the ambient temperature, and in the working process of the electromagnetic water meter, the following heat exchange processes occur:
1. the heat flow direction and heat exchange between the battery module and the air in the shell are the heat dissipation flow direction 9 of the air of the battery module;
2. the heat flow direction and the heat exchange of the battery module, the liner tube and the water flow in the liner tube are in the heat dissipation flow direction 10 of the battery module and the connecting block;
3. heat exchange between the air in the housing and the ambient temperature. Generally, the temperature of water flow is 10-25 ℃, the heat flow direction and the heat exchange of the water flow in the battery module, the liner tube and the liner tube are carried out, wherein 8 is the water flow direction, the battery can be in an ideal working temperature range, when the environmental temperature is low, for example, the outdoor temperature in winter in north is low, the heat exchange with the external low temperature is reduced through the air in the shell, the heat compensation is carried out on the battery module through the water flow in the liner tube, when the environmental temperature is high, for example, the outdoor temperature in summer in south is high, the heat exchange with the external high temperature is reduced through the air in the shell, and the temperature reduction treatment is carried out on the battery module through the water flow in the liner tube.
In order to improve the sealing performance of the shell 1, the shell 1 comprises a plurality of outer walls, the two adjacent outer walls are fixedly connected through welding, the sealing performance of the shell 1 is improved through welding the outer walls, high-degree integrated welding can be achieved, a sealing surface required by the shell is reduced, the sealing grade is improved, and high-grade waterproof requirements are met, for example, the integrally formed shell can meet the waterproof requirement of an IP68 grade, the purpose of heat exchange with the environment can be achieved through an integrally welded structure, and the temperature of the battery module reaches dynamic balance.
In order to facilitate data transmission, a remote transmission antenna can be arranged on the shell, the data of the electromagnetic water meter can be exchanged without connection through the remote transmission antenna, the remote transmission antenna can support a mobile cellular communication technology or near field communication technologies such as Bluetooth and infrared, and the difficulty of field installation, debugging and wiring is reduced.
In some implementations, in order to improve the compactness of the overall structure of the electromagnetic water meter, the converter 3 is fixedly connected to an outer wall located above the housing 1, a plane where the battery module 5 is located is defined as a first plane, and an extending direction of the liner tube 6 is defined as a first direction, wherein the first direction is perpendicular to the first plane, the extending direction of the battery module 5 is defined as a second direction, and the first direction is perpendicular to the second direction.
The battery module 5 comprises an energy cell and a battery compartment, which is adapted to the energy cell, in particular to the shape and size, in order to accommodate the energy cell of the battery module.
In order to improve the heat conductivity, the liner tube 6 is made of a first material, the connecting block 4 is made of a second material, the battery case is made of a third material, the first material and the second material are higher in heat conductivity than the third material, for example, the first material and the second material are made of stainless steel, and the third material is made of aluminum alloy.
In some implementations, to facilitate installation of the electromagnetic water meter, the electromagnetic water meter is further provided with a flange 7, and the flange 7 is connected to the liner 6.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. An electromagnetic water meter, comprising:
the water flow sensor comprises a water flow acquisition module, a water flow detection module and a control module, wherein the water flow acquisition module comprises a sensor for acquiring a magnetic induction signal of water flow and a converter for processing the magnetic induction signal, the sensor is in signal connection with the converter, the sensor further comprises a liner tube for guiding the water flow and an electrode for sensing the magnetic induction signal of the water flow, and the electrode is arranged on the liner tube;
a housing, the converter being disposed on the housing, the liner extending through the housing and being connected to a surface of the housing;
and the battery module is connected with the sensor through a connecting block for heat dissipation.
2. An electromagnetic water meter as set forth in claim 1, wherein said battery module is disposed within and isolated from said housing.
3. An electromagnetic water meter as set forth in claim 1, wherein said housing includes a plurality of outer walls, adjacent outer walls being fixedly connected by welding.
4. An electromagnetic water meter as set forth in claim 1, wherein said transducer is fixedly connected to an outer wall located above said housing.
5. The electromagnetic water meter of claim 1, wherein a plane on which the battery module is located is defined as a first plane, and an extension direction of the liner tube is defined as a first direction, wherein the first direction is perpendicular to the first plane.
6. The electromagnetic water meter recited in claim 5, wherein the battery module is defined to extend in a second direction, the first direction being perpendicular to the second direction.
7. An electromagnetic water meter as claimed in any one of claims 1 to 6, wherein said battery module includes an energy unit and a battery compartment, said battery compartment being mated to said energy unit.
8. An electromagnetic water meter as set forth in claim 7, wherein said bushing is of a first material, said connection block is of a second material, and said battery case is of a third material, said first and second materials being more thermally conductive than said third material.
9. An electromagnetic water meter as set forth in claim 1, further comprising a flange, said flange being connected to said liner tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056838.9A CN113899414A (en) | 2021-09-09 | 2021-09-09 | Electromagnetic water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056838.9A CN113899414A (en) | 2021-09-09 | 2021-09-09 | Electromagnetic water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113899414A true CN113899414A (en) | 2022-01-07 |
Family
ID=79028054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111056838.9A Pending CN113899414A (en) | 2021-09-09 | 2021-09-09 | Electromagnetic water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113899414A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574073A (en) * | 2018-06-11 | 2018-09-25 | 美创兴国际有限公司 | A kind of high-energy density liquid cooling battery modules |
| CN208998856U (en) * | 2018-11-21 | 2019-06-18 | 唐山大方汇中仪表有限公司 | A kind of Mine-used I. S electromagnetic flowmeter powered by battery |
| CN110800154A (en) * | 2017-04-10 | 2020-02-14 | 郑铭尧 | Battery module with thermal management design, battery device and battery system |
-
2021
- 2021-09-09 CN CN202111056838.9A patent/CN113899414A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110800154A (en) * | 2017-04-10 | 2020-02-14 | 郑铭尧 | Battery module with thermal management design, battery device and battery system |
| CN108574073A (en) * | 2018-06-11 | 2018-09-25 | 美创兴国际有限公司 | A kind of high-energy density liquid cooling battery modules |
| CN208998856U (en) * | 2018-11-21 | 2019-06-18 | 唐山大方汇中仪表有限公司 | A kind of Mine-used I. S electromagnetic flowmeter powered by battery |
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