CN110243427A - A kind of multifunctional internet of things intellectual water meter - Google Patents
A kind of multifunctional internet of things intellectual water meter Download PDFInfo
- Publication number
- CN110243427A CN110243427A CN201910599490.4A CN201910599490A CN110243427A CN 110243427 A CN110243427 A CN 110243427A CN 201910599490 A CN201910599490 A CN 201910599490A CN 110243427 A CN110243427 A CN 110243427A
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- Prior art keywords
- water meter
- pipeline
- controller
- fixed
- heating plate
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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
-
- 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
- G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention is suitable for intellectual water meter technical field, provide a kind of multifunctional internet of things intellectual water meter, including water meter component, intelligent control component and support component, the water meter component includes pipeline, water meter body, cover board, branch pipe, TDS water quality testing meter and heating plate, the intelligent control component includes cover, partition, controller, wireless module and temperature sensor, TDS water quality testing meter by being arranged for the branch pipe of the water in introduction pipe and for detecting water quality, so as to be measured in real time to the water quality in pipeline, by the way that temperature sensor and heating plate for heating for detecting the environment temperature in the outside of water meter body is arranged, heating plate passes through a controller control, when temperature value is lower than first preset temperature value, controller opens heating plate, when temperature value is higher than second preset temperature When value, controller closes heating plate, and the present invention has the characteristics that be able to carry out water quality monitoring and long service life.
Description
Technical field
The invention belongs to intellectual water meter technical field more particularly to a kind of multifunctional internet of things intellectual water meters.
Background technique
Urbanite water consumption generally uses intellectual water meter to detect water consumption, and existing intellectual water meter has one when in use
Fixed defect, existing intellectual water meter structure is simple, cannot be measured in real time to water quality, when the temperature is low water meter be easy by
Damage is so that the service life of water meter can be reduced.
Summary of the invention
The present invention provides a kind of multifunctional internet of things intellectual water meter, it is intended to and solution must not be measured in real time water quality,
Water meter is easy to be damaged the problem of reducing the service life of water meter when temperature is low.
The invention is realized in this way a kind of multifunctional internet of things intellectual water meter, including water meter component, intelligent control component
And support component；
The water meter component includes pipeline, water meter body, cover board, branch pipe, TDS water quality testing meter and heating plate, the pipeline
Middle part is equipped with the water meter body, and the top cover of the water meter body is equipped with the cover board, and the both ends of the branch pipe are fixed
It is connected to the pipeline on the side wall of the pipeline, the institute for detecting the water quality for the water for flowing through the branch pipe is installed on the branch pipe
TDS water quality testing meter is stated, there are two the heating plate settings, and the heating plate is ring structure and is set in the outer of the pipeline
On wall；
The intelligent control component includes cover, partition, controller, wireless module and temperature sensor, and the cover is located at
It on the outside of the water meter body and is fixed on the outer wall of the pipeline, the partition is arranged in the cover and is located at the water
The top of table ontology is fixed with the controller at the top of the partition, the wireless mould is fixed on the outer wall of the cover
Block, the bottom of the partition are fixed with the temperature sensor, and the temperature sensor is used to detect the outer of the water meter body
The temperature value in portion, the wireless module, TDS water quality testing meter, heating plate and the temperature sensor are electrically connected the control
Device；
The support component includes pedestal and fagging, and the pedestal is fixed on the duct bottom, and the top of the pedestal is fixed
There are multiple faggings, is fixedly connected with the pipeline at the top of the fagging；
Wherein, the temperature value that the controller is detected according to the temperature sensor, when the temperature value is the lower than one
When one preset temperature value, the controller opens the heating plate；When the temperature value is higher than second preset temperature value,
The controller closes the heating plate.
The present invention also provides preferred, two heating plates are symmetricly set on the two sides of the water meter body.
The present invention also provides preferred, it is fixed on the inner wall of the pipeline for detecting the pressure value in the pipeline
Pressure sensor.
The present invention also provides preferred, one end of the pipeline is fixed with booster pump, and the booster pump is used for in pipeline
Water pressurize, the pressure sensor and the booster pump are electrically connected the controller；
Wherein, when the pressure value of pressure sensor detection is lower than first preset pressure value, the controller
The booster pump is controlled to open, when the pressure value of pressure sensor detection is higher than second preset pressure value,
The controller controls the booster pump and closes.
The cover has a bottom cover and an overhead guard, and the bottom enclosure is located at the outside of the water meter body, described
Overhead guard is fixed on the top of the water meter body, and a side of the overhead guard is along the bottom cover that is connected by a hinge.
The present invention also provides preferred, the other side edge of the overhead guard and bottom cover is respectively fixed with a jam plate,
The lockhole being mutually aligned is offered in two jam plates, and a fixing lock is installed in the lockhole.
The present invention also provides preferred, a GPRS module, the GPRS module electricity are fixed on the outer wall of the cover
Connect the controller.
The present invention also provides preferred, the controller is fixedly arranged above a battery, the battery electrical connection
The wireless module, TDS water quality testing meter, heating plate, the temperature sensor and the controller.
The present invention also provides preferred, length direction successively uniform intervals setting of multiple faggings along the pipeline.
The present invention also provides preferred, rubber pad is fixed at the top of the fagging.
Compared with prior art, the beneficial effects of the present invention are: a kind of multifunctional internet of things intellectual water meter of the invention, leads to
Setting is crossed for the branch pipe of the water in introduction pipe and the TDS water quality testing meter for detecting water quality, so as to in pipeline
Water quality be measured in real time, by be arranged for detecting the temperature sensor of the environment temperature in the outside of water meter body and being used for
The heating plate of heating, heating plate pass through a controller control, when temperature value is lower than first preset temperature value, controller
Heating plate is opened, when temperature value is higher than second preset temperature value, controller closes heating plate, so as to effectively exist
The environment around water meter is heated when low temperature, extends the adaptation service life of water meter, the present invention has being capable of real-time perfoming water quality
The characteristics of monitoring and long service life.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of multifunctional internet of things intellectual water meter of the invention.
Fig. 2 is the structural schematic diagram of water meter component of the invention.
Fig. 3 is the structural schematic diagram of intelligent control component and support component of the invention.
Fig. 4 is detail enlarged diagram at the A in Fig. 3.
In figure: 1- water meter component, 11- pipeline, 12- water meter body, 13- cover board, 14- branch pipe, 15-TDS water quality testing meter,
16- heating plate, 17- pressure sensor, 18- booster pump, 19- flange, 2- intelligent control component, 21- cover, 22- partition, 23-
Controller, 24- wireless module, 25-GPRS module, 26- jam plate, 27- fixing lock, 28- battery, 29- temperature sensor, 3- branch
Support component, 31- pedestal, 32- fagging, 33- rubber pad.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of multifunctional internet of things intellectual water meter, including water meter
Component 1, intelligent control component 2 and support component 3.
Water meter component 1 includes pipeline 11, water meter body 12, cover board 13, branch pipe 14, TDS water quality testing meter 15 and heating plate
16, the middle part of pipeline 11 is equipped with water meter body 12, and the top cover of water meter body 12 is equipped with cover board 13, and the both ends of branch pipe 14 are solid
It is scheduled on connecting pipe 11 on the side wall of pipeline 11, the TDS water quality for detecting the water quality for the water for flowing through branch pipe 14 is installed on branch pipe 14
Detector 15, there are two the settings of heating plate 16, and heating plate 16 is ring structure and is set on the outer wall of pipeline 11, two heating
Plate 16 is symmetricly set on the two sides of water meter body 12, is fixed on the inner wall of pipeline 11 for detecting the pressure value in pipeline 11
Pressure sensor 17, one end of pipeline 11 are fixed with booster pump 18, and booster pump 18 is for pressurizeing to the water in pipeline.
Wherein, the both ends of pipeline 11 are respectively used to supply water and flow in and out, and water meter body 12 is used for the water in pipeline 11
Flow is detected, and cover board 13 is used to protect the dial plate of water meter body 12, and branch pipe 14 is for the water in introduction pipe 11 and is located at
The upstream of water meter body 12, TDS water quality testing meter 15 are used to detect the concentration of total dissolved matter in the water in pipeline 14, thus
Can real-time detection water quality, heating plate 16 is for heating the external environment of water meter body 12 in low temperature, pressure sensing
Device 17 is used to detect hydraulic pressure in pipeline 11, and when hydraulic pressure of the booster pump 18 in pipeline 11 is too low pressurizes to water,
The both ends of pipeline 11 are respectively fixed with a flange 19, and flange is for connecting external pipe.
Intelligent control component 2 includes cover 21, partition 21, controller 23, wireless module 24 and temperature sensor 29, cover
21 are located at 12 outside of water meter body and are fixed on the outer wall of pipeline 11, and partition 21 is arranged in cover 21 and is located at water meter sheet
The top of body 12, the top of partition 21 are fixed with controller 23, and wireless module 24 is fixed on the outer wall of cover 21, partition 21
Bottom is fixed with temperature sensor 29, and temperature sensor 29 is used to detect the temperature value of the outside of water meter body 12, wireless module
24, TDS water quality testing meter 15, heating plate 16 and temperature sensor 29 are electrically connected controller 23, pressure sensor 17 and pressurization
Pump 18 is electrically connected controller 23, and there is cover 21 a bottom cover and an overhead guard, the bottom enclosure to be located at the outside of water meter body 12,
Overhead guard is fixed on the top of water meter body 12, and a side of overhead guard is along the bottom cover that is connected by a hinge, the other side of overhead guard and bottom cover
Edge is respectively fixed with a jam plate 26, and the lockhole being mutually aligned is offered in two jam plates 26, and one is equipped in lockhole admittedly
Lock 27 is fixed with a GPRS module 25 on the outer wall of cover 21, and GPRS module 25 is electrically connected controller 23, controller 23
It is fixedly arranged above a battery 28, battery 28 is electrically connected wireless module 24, TDS water quality testing meter 15, heating plate 16, temperature
Sensor 29 and controller 23.
Wherein, for cover 21 for protecting to water meter body 12, partition 22 is used to support controller 23, wireless module 24
It can be communicated using 4G module and 5G module and with external mobile phone terminal, GPRS module 25 is used for water meter body 12
Position is positioned, and the installation site of water meter body 12 is grasped convenient for user, and two jam plates 26 are to be oppositely arranged, fixing lock 27
For locking two jam plates 26, battery 28 is used for wireless module 24, TDS water quality testing meter 15, heating plate 16, temperature sensing
Device 29 and controller 23 provide power source.
Support component 3 includes pedestal 31 and fagging 32, and pedestal 31 is fixed on 11 bottom of pipeline, and the top of pedestal 31 is fixed with
Multiple faggings 32, the top of fagging 32 are fixedly connected with pipeline 11, and the top of fagging 32 is fixed with rubber pad 33, pedestal 31 for pair
Pipeline 11 is supported, and pedestal 31 contacts pipeline 11 by multiple faggings 32, and the top of fagging 32 has arcuate structure
Support slot and be close to the outer wall of pipeline 11, rubber pad 33 is used to provide damping to pipeline 11, and use is safer.
Wherein, the temperature value that controller 23 is detected according to temperature sensor 29, when lower than one first default temperature of temperature value
When angle value, controller 23 opens heating plate 16；When temperature value is higher than second preset temperature value, controller 23 closes heating
Plate 16, when the pressure value that pressure sensor 17 detects is lower than first preset pressure value, controller 23 controls booster pump 18
It opens, when the pressure value that pressure sensor 17 detects is higher than second preset pressure value, controller 23 controls booster pump 18
It closes.
Pipeline 11 is mounted on external water supply by flange by a kind of multifunctional internet of things intellectual water meter of the invention, user
On pipeline, the water in 14 introduction pipe 11 of branch pipe and the upstream positioned at water meter body 12, TDS water quality testing meter 15 detect pipeline 14
The concentration of total dissolved matter in interior water, pressure sensor 17 detect the hydraulic pressure in pipeline 11, and the hydraulic pressure in pipeline 11 is too low
When pressurizeed by booster pump 18 to water, cover 21 is for protecting water meter body 12, wireless module 24 and external
Mobile phone terminal communicate row information transmission of going forward side by side, and can pass through the peace that GPRS module 25 grasps water meter body 12 convenient for user
Holding position, fixing lock 27 when user needs to check water meter, are knit armour by key and are fixed for locking two jam plates 26
Lock 27 and the overhead guard for opening cover 21, it is easy to operate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of multifunctional internet of things intellectual water meter, it is characterised in that: including water meter component (1), intelligent control component (2) and branch
Support component (3)；
The water meter component (1) includes pipeline (11), water meter body (12), cover board (13), branch pipe (14), TDS water quality testing meter
(15) and heating plate (16) it, is equipped with the water meter body (12) in the middle part of the pipeline (11), the water meter body (12)
Top cover is equipped with the cover board (13), and the both ends of the branch pipe (14) are each attached on the side wall of the pipeline (11) described in connection
Pipeline (11), be equipped on the branch pipe (14) detection flow through the branch pipe (14) water water quality the TDS water quality detection
Instrument (15), there are two heating plate (16) settings, and the heating plate (16) is ring structure and is set in the pipeline (11)
Outer wall on；
The intelligent control component (2) includes that cover (21), partition (21), controller (23), wireless module (24) and temperature pass
Sensor (29), the cover (21) are located on the outside of the water meter body (12) and are fixed on the outer wall of the pipeline (11),
Top of partition (21) setting in the cover (21) and positioned at the water meter body (12), the top of the partition (21)
Portion is fixed with the controller (23), is fixed with the wireless module (24), the partition on the outer wall of the cover (21)
(21) bottom is fixed with the temperature sensor (29), and the temperature sensor (29) is for detecting the water meter body (12)
Outside temperature value, the wireless module (24), TDS water quality testing meter (15), heating plate (16) and the temperature sensor
(29) controller (23) are electrically connected；
The support component (3) includes pedestal (31) and fagging (32), and the pedestal (31) is fixed on the pipeline (11) bottom,
It is fixed with multiple faggings (32) at the top of the pedestal (31), is fixedly connected with the pipeline at the top of the fagging (32)
(11)；
Wherein, the temperature value that the controller (23) is detected according to the temperature sensor (29), when the temperature value is low
When first preset temperature value, the controller (23) opens the heating plate (16)；When the temperature value is higher than one
When the second preset temperature value, the controller (23) closes the heating plate (16).
2. a kind of multifunctional internet of things intellectual water meter as described in claim 1, it is characterised in that: two heating plates (16)
It is symmetricly set on the two sides of the water meter body (12).
3. a kind of multifunctional internet of things intellectual water meter as described in claim 1, it is characterised in that: the inner wall of the pipeline (11)
On be fixed with pressure sensor (17) for detecting the pressure value in the pipeline (11).
4. a kind of multifunctional internet of things intellectual water meter as claimed in claim 3, it is characterised in that: one end of the pipeline (11)
Be fixed with booster pump (18), the booster pump (18) for pressurizeing to the water in pipeline, the pressure sensor (17) and
The booster pump (18) is electrically connected the controller (23)；
Wherein, when the pressure value of the pressure sensor (17) detection is lower than first preset pressure value, the control
Device (23) processed controls the booster pump (18) and opens, when the pressure value of the pressure sensor (17) detection is higher than one the
When two preset pressure values, the controller (23) controls the booster pump (18) and closes.
5. a kind of multifunctional internet of things intellectual water meter as described in claim 1, it is characterised in that: the cover (21) has one
A bottom cover and an overhead guard, the bottom enclosure are located at the outside of the water meter body (12), and the overhead guard is fixed on the water meter
The top of ontology (12), a side of the overhead guard is along the bottom cover that is connected by a hinge.
6. a kind of multifunctional internet of things intellectual water meter as claimed in claim 5, it is characterised in that: the overhead guard and bottom cover
Other side edge be respectively fixed with a jam plate (26), offers the lockhole being mutually aligned, institute in two jam plates (26)
It states and a fixing lock (27) is installed in lockhole.
7. a kind of multifunctional internet of things intellectual water meter as described in claim 1, it is characterised in that: the outer wall of the cover (21)
On be fixed with a GPRS module (25), the GPRS module (25) is electrically connected the controller (23).
8. a kind of multifunctional internet of things intellectual water meter as described in claim 1, it is characterised in that: the controller (23) it is upper
Side is fixed with a battery (28), and the battery (28) is electrically connected the wireless module (24), TDS water quality testing meter
(15), heating plate (16), the temperature sensor (29) and the controller (23).
9. a kind of multifunctional internet of things intellectual water meter as described in claim 1, it is characterised in that: multiple fagging (32) edges
Successively uniform intervals are arranged the length direction of the pipeline (11).
10. a kind of multifunctional internet of things intellectual water meter as described in claim 1, it is characterised in that: the top of the fagging (32)
Portion is fixed with rubber pad (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910599490.4A CN110243427A (en) | 2019-07-04 | 2019-07-04 | A kind of multifunctional internet of things intellectual water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910599490.4A CN110243427A (en) | 2019-07-04 | 2019-07-04 | A kind of multifunctional internet of things intellectual water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110243427A true CN110243427A (en) | 2019-09-17 |
Family
ID=67890998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910599490.4A Pending CN110243427A (en) | 2019-07-04 | 2019-07-04 | A kind of multifunctional internet of things intellectual water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110243427A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034126A (en) * | 2020-08-28 | 2020-12-04 | 生态环境部南京环境科学研究所 | Water body monitoring and early warning system for cross-boundary area |
| CN112697217A (en) * | 2020-12-07 | 2021-04-23 | 山东工业职业学院 | Data transmission connecting device for 5G intelligent water meter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205642513U (en) * | 2016-05-19 | 2016-10-12 | 江西百川水表有限公司 | Water gauge freeze -proof device |
| CN207488281U (en) * | 2017-11-17 | 2018-06-12 | 宁波水表股份有限公司 | A kind of ductwork water quality detection device |
| CN108680217A (en) * | 2018-07-16 | 2018-10-19 | 湖北正源智能科技有限公司 | A kind of anti-freeze type intellectual water meter with from drain function |
| CN208536948U (en) * | 2018-08-09 | 2019-02-22 | 深圳市伟德鑫业实业有限公司 | A kind of intellectual water meter with function of increasing pressure |
| CN208606836U (en) * | 2018-11-02 | 2019-03-15 | 四川泰力智能仪表科技有限公司 | A kind of horizontal radio frequency water meter |
| CN208902200U (en) * | 2018-10-24 | 2019-05-24 | 广州柏诚智能科技有限公司 | A kind of Intelligent water meter of Internet of things |
-
2019
- 2019-07-04 CN CN201910599490.4A patent/CN110243427A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205642513U (en) * | 2016-05-19 | 2016-10-12 | 江西百川水表有限公司 | Water gauge freeze -proof device |
| CN207488281U (en) * | 2017-11-17 | 2018-06-12 | 宁波水表股份有限公司 | A kind of ductwork water quality detection device |
| CN108680217A (en) * | 2018-07-16 | 2018-10-19 | 湖北正源智能科技有限公司 | A kind of anti-freeze type intellectual water meter with from drain function |
| CN208536948U (en) * | 2018-08-09 | 2019-02-22 | 深圳市伟德鑫业实业有限公司 | A kind of intellectual water meter with function of increasing pressure |
| CN208902200U (en) * | 2018-10-24 | 2019-05-24 | 广州柏诚智能科技有限公司 | A kind of Intelligent water meter of Internet of things |
| CN208606836U (en) * | 2018-11-02 | 2019-03-15 | 四川泰力智能仪表科技有限公司 | A kind of horizontal radio frequency water meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034126A (en) * | 2020-08-28 | 2020-12-04 | 生态环境部南京环境科学研究所 | Water body monitoring and early warning system for cross-boundary area |
| CN112697217A (en) * | 2020-12-07 | 2021-04-23 | 山东工业职业学院 | Data transmission connecting device for 5G intelligent water meter |
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Application publication date: 20190917 |
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| RJ01 | Rejection of invention patent application after publication |