CN113885628A - Integrated circuit control chip of intelligent water meter based on Internet of things - Google Patents
Integrated circuit control chip of intelligent water meter based on Internet of things Download PDFInfo
- Publication number
- CN113885628A CN113885628A CN202110989055.XA CN202110989055A CN113885628A CN 113885628 A CN113885628 A CN 113885628A CN 202110989055 A CN202110989055 A CN 202110989055A CN 113885628 A CN113885628 A CN 113885628A
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- diode
- triode
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- circuit
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 15
- 230000003071 parasitic effect Effects 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000006855 networking Effects 0.000 claims 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/561—Voltage to current converters
-
- 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
- G01F15/001—Means for regulating or setting the meter for a predetermined quantity
- G01F15/003—Means for regulating or setting the meter for a predetermined quantity using electromagnetic, electric or electronic means
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses an integrated circuit control chip of an intelligent water meter based on the Internet of things, which comprises a control chip module, and a self-driving circuit capable of helping to control the on-signal and off-signal of the chip module, the self-driving circuit is a lossless absorption self-driving circuit, the lossless absorption self-driving circuit comprises a silicon carbide diode and an MOS tube, after the silicon carbide diode and the MOS tube are connected in series, the MOS tube is connected in series with a parasitic diode, the parasitic diode and the MOS tube are connected in series, one end of the silicon carbide diode is connected with the first detection circuit end, one end of the MOS tube is connected with the second detection circuit end, thereby forming a self-driven circuit structure, this integrated circuit control chip of intelligent water gauge adopts harmless absorption from drive circuit, and furthest improves from drive circuit's running function and running life, and then improves control chip's running function and running life.
Description
Technical Field
The invention relates to the technical field of control chips of intelligent water meters, in particular to an integrated circuit control chip of an intelligent water meter based on the Internet of things.
Background
With the development and progress of the technology, the traditional mechanical water meter is gradually replaced by the more convenient intelligent water meter, and the intelligent water meter is a novel water meter which measures the water consumption by utilizing the modern microelectronic technology, the modern sensing technology and the intelligent IC card technology and carries out water consumption data transmission and settlement transaction. Compared with the traditional water meter which only has the functions of flow acquisition and mechanical pointer display of water consumption, the water meter is a great improvement. The intelligent water meter can record and electronically display the water consumption, can control the water consumption according to convention, automatically complete the water fee calculation of the stepped water price, and simultaneously can perform the function of water data storage. The intelligent water meter has the advantages that the control chip can not be operated, whether the control chip operates or not is closely related to the quality of the driving circuit, and the conventional driving circuit has high self loss in the operation process, so that the normal operation of the driving circuit is influenced, and the operation of the control chip is also influenced.
Disclosure of Invention
The invention aims at the problems and provides an integrated circuit control chip of an intelligent water meter based on the Internet of things.
In order to achieve the technical purpose, the integrated circuit control chip of the intelligent water meter based on the Internet of things comprises a control chip module and a self-driving circuit capable of helping the control chip module to turn on and off signals, wherein the self-driving circuit is a lossless absorption self-driving circuit, the lossless absorption self-driving circuit comprises a silicon carbide diode and an MOS (metal oxide semiconductor) tube, the MOS tube is connected in series with a parasitic diode after the silicon carbide diode and the MOS tube are connected in series, one end of the silicon carbide diode is connected with a first detection circuit end, and one end of the MOS tube is connected with a second detection circuit end, so that a self-driving circuit structure is formed.
Preferably, the first detection circuit terminal includes: the circuit comprises a capacitor, a first diode, a first triode, a first resistor and a second resistor, wherein the capacitor, the first triode and the first resistor are connected in series;
the first diode and the second resistor are connected in parallel, the first diode and the second resistor which form a parallel structure are connected in parallel with the capacitor, the first triode and the first resistor which form series connection;
the second detection circuit terminal includes: the second diode, the third diode, the second triode and the third triode;
the second diode and the second triode are connected in series;
the third diode and the third triode are formed in series;
the second diode and the second triode which are connected in series are connected in parallel with the third diode and the third triode which are connected in series;
and the emission set of the second triode is connected with the output end of the MOS tube, and the emission set of the third triode is connected between the capacitor and the first triode.
The MOS transistor further comprises an inductor, wherein the input end of the inductor is connected with the capacitor and the second diode in series, and the output end of the inductor is connected with the input end of the MOS transistor.
Furthermore, a packaging structure is adopted to package the lossless absorption self-driving circuit so as to form an independent functional module.
After the technology is adopted, the invention has the following advantages:
1. the nondestructive absorption self-driving circuit adopts two detection circuit ends to detect the current loss condition of the self-driving circuit, and adopts the combination of the silicon carbide diode and the MOS tube to eliminate impedance, thereby achieving the purpose of nondestructive absorption;
2. the invention makes the lossless absorption self-driving circuit into an integrated modular packaging structure, and is convenient to install and maintain.
Drawings
FIG. 1 is a circuit block diagram of the present invention;
FIG. 2 is a schematic diagram of the package structure and the connection of the control module according to the present invention;
wherein, 1, silicon carbide diode; 2. an MOS tube; 3. a parasitic diode; 4. a capacitor; 5. a first diode; 6. a first triode; 7. a first resistor; 8. a second resistor; 9. a second diode; 10. a third diode; 11. a second triode; 12. a third triode; 13. an inductance; 14. a control chip module; 15. and (7) packaging the structure.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As can be seen from fig. 1, an integrated circuit control chip of an intelligent water meter based on the internet of things includes a control chip module 14 and a self-driving circuit capable of helping the control chip module 14 to turn on and off signals.
In the invention, the self-driving circuit is a lossless absorption self-driving circuit, the lossless absorption self-driving circuit comprises a silicon carbide diode 1 and an MOS (metal oxide semiconductor) tube 2, after the silicon carbide diode 1 and the MOS tube 2 are connected in series, the MOS tube 2 is connected in series with a parasitic diode 3, namely the parasitic diode 3 and the MOS tube 2 are connected in series, one end of the silicon carbide diode 1 is connected with a first detection circuit end, and one end of the MOS tube 2 is connected with a second detection circuit end, thereby forming a self-driving circuit structure.
In the present invention, a preferred first detection circuit terminal includes: the circuit comprises a capacitor 4, a first diode 5, a first triode 6, a first resistor 7 and a second resistor 8, wherein the capacitor 4, the first triode 6 and the first resistor 7 are connected in series;
the first diode 5 and the second resistor 8 are connected in parallel, the first diode 5 and the second resistor 8 which form a parallel structure are connected in parallel with the capacitor 4, the first triode 6 and the first resistor 7 which form a series structure.
In the present invention, a preferred second detection circuit terminal includes: a second diode 9, a third diode 10, a second triode 11, and a third triode 12;
in the component, a second diode 9 and a second triode 10 are connected in series; the third diode 10 and the third triode 12 are connected in series; and a second diode 9 and a second triode 11 which are connected in series and a third diode 10 and a third triode 12 which are connected in series are connected in parallel;
the emission set of the second triode 10 is connected with the output end of the MOS tube 2, and the emission set of the third triode 12 is connected between the capacitor 4 and the first triode 6.
The invention also comprises an inductor 13, wherein the input end of the inductor 13 is connected with the capacitor 4 and the second diode 9 in series, and the output end of the inductor 13 is connected with the input end of the MOS tube 2.
The nondestructive absorption self-driving circuit with the structure adopts two detection circuit ends to detect the current loss condition of the self-driving circuit, and adopts the combination of the silicon carbide diode and the MOS tube to eliminate impedance, thereby achieving the purpose of nondestructive absorption.
As shown in fig. 2, the present invention further employs a package structure 15 to package the lossless absorption self-driving circuit to form a single functional module.
The lossless absorption self-driving circuit is manufactured into an integrated modular packaging structure, so that the installation and maintenance are convenient.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides an integrated circuit control chip of intelligence water gauge based on thing networking, includes a control chip module to and one can help the control chip module turn-on signal and turn-off signal from drive circuit, its characterized in that, from drive circuit for the harmless absorption from drive circuit, the harmless absorption from drive circuit includes a carborundum diode and a MOS pipe, carborundum diode and MOS pipe formation are established ties the back, a parasitic diode is established ties to the MOS pipe, parasitic diode and MOS pipe formation are established ties, its characterized in that, carborundum diode one end is connected first detection circuitry end, second detection circuitry end is connected to MOS pipe one end to form a self-driven circuit structure.
2. The ic control chip for an intelligent water meter based on the internet of things according to claim 1, wherein the first detection circuit terminal comprises: the circuit comprises a capacitor, a first diode, a first triode, a first resistor and a second resistor, wherein the capacitor, the first triode and the first resistor are connected in series;
the first diode and the second resistor are connected in parallel, the first diode and the second resistor which form a parallel structure are connected in parallel with the capacitor, the first triode and the first resistor which form series connection;
the second detection circuit terminal includes: the second diode, the third diode, the second triode and the third triode;
the second diode and the second triode are connected in series;
the third diode and the third triode are formed in series;
the second diode and the second triode which are connected in series are connected in parallel with the third diode and the third triode which are connected in series;
and the emission set of the second triode is connected with the output end of the MOS tube, and the emission set of the third triode is connected between the capacitor and the first triode.
3. The ic control chip of an internet-of-things-based intelligent water meter according to claim 2, further comprising an inductor, wherein an input terminal of the inductor is connected in series with the capacitor and the second diode, and an output terminal of the inductor is connected to an input terminal of the MOS transistor.
4. The ic control chip for an intelligent water meter based on the internet of things according to claim 1, wherein the lossless absorption self-driving circuit according to claim 1 is packaged by a packaging structure to form a single functional module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110989055.XA CN113885628A (en) | 2021-08-26 | 2021-08-26 | Integrated circuit control chip of intelligent water meter based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110989055.XA CN113885628A (en) | 2021-08-26 | 2021-08-26 | Integrated circuit control chip of intelligent water meter based on Internet of things |
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| Publication Number | Publication Date |
|---|---|
| CN113885628A true CN113885628A (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110989055.XA Pending CN113885628A (en) | 2021-08-26 | 2021-08-26 | Integrated circuit control chip of intelligent water meter based on Internet of things |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202422270U (en) * | 2011-11-08 | 2012-09-05 | 黑龙江科技学院 | Intelligent water meter controller with IC (intelligent circuit) card |
| CN106953510A (en) * | 2017-03-23 | 2017-07-14 | 上海英联电子系统有限公司 | Switching device voltage spike active clamp driving circuit |
| WO2018157458A1 (en) * | 2017-02-28 | 2018-09-07 | 深圳市华星光电技术有限公司 | Voltage absorption circuit |
| CN112928913A (en) * | 2021-01-27 | 2021-06-08 | 苏州海鹏科技有限公司 | Buck conversion circuit and lossless absorption circuit thereof |
| CN113014097A (en) * | 2021-03-08 | 2021-06-22 | 中南大学 | Boost converter of passive lossless soft switch and control method |
-
2021
- 2021-08-26 CN CN202110989055.XA patent/CN113885628A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202422270U (en) * | 2011-11-08 | 2012-09-05 | 黑龙江科技学院 | Intelligent water meter controller with IC (intelligent circuit) card |
| WO2018157458A1 (en) * | 2017-02-28 | 2018-09-07 | 深圳市华星光电技术有限公司 | Voltage absorption circuit |
| CN106953510A (en) * | 2017-03-23 | 2017-07-14 | 上海英联电子系统有限公司 | Switching device voltage spike active clamp driving circuit |
| CN112928913A (en) * | 2021-01-27 | 2021-06-08 | 苏州海鹏科技有限公司 | Buck conversion circuit and lossless absorption circuit thereof |
| CN113014097A (en) * | 2021-03-08 | 2021-06-22 | 中南大学 | Boost converter of passive lossless soft switch and control method |
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Application publication date: 20220104 |