CN111562435A - Novel fill electric pile with direct current electric energy meter - Google Patents
Novel fill electric pile with direct current electric energy meter Download PDFInfo
- Publication number
- CN111562435A CN111562435A CN202010466994.1A CN202010466994A CN111562435A CN 111562435 A CN111562435 A CN 111562435A CN 202010466994 A CN202010466994 A CN 202010466994A CN 111562435 A CN111562435 A CN 111562435A
- Authority
- CN
- China
- Prior art keywords
- electric energy
- current
- voltage
- energy meter
- direct current
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000003750 conditioning effect Effects 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/202—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices
Abstract
The invention discloses a novel direct current electric energy meter for a charging pile, wherein a Hall current sensor chip (1) and a resistance voltage divider are used as current and voltage sensors, a current signal output by the Hall current sensor chip (1) is sent to a current input end of an electric energy calculating unit (3), and a voltage signal output by an R1/R2 voltage divider is sent to a voltage input end of the electric energy calculating unit (3) after passing through a voltage signal conditioning amplifier (2); the electric energy is sent to the micro-processing unit (4) after passing through the electric energy computing unit (3), the micro-processing unit (4) outputs the electric quantity to the digital display (5) for displaying, and meanwhile, the electric quantity data is output from the COM communication port; the voltages V + and I + are a voltage positive electrode and a current positive electrode which are mutually connected and then are a public access end, and the voltages V-and I-are a voltage negative electrode and a current negative electrode respectively; the load current flows from I + to I-and from I-.
Description
Technical Field
The invention relates to an electric energy meter, in particular to a novel direct current electric energy meter for a charging pile.
Background
The existing electric energy meter for charging the pile adopts a resistance sensor to measure electric energy by connecting a meter with the resistance sensor, and the resistance sensor has a heating phenomenon in the measuring process, so that the measured data has a temperature drift phenomenon, and meanwhile, the resistance sensor has the defects of energy consumption, heating and the like in the heavy current measuring process.
Disclosure of Invention
The purpose of the invention is as follows: the novel charging pile direct current electric energy meter is provided, the Hall current sensor chip is adopted to measure the current, the electric energy is not consumed, and the phenomena of temperature drift and energy consumption are avoided.
The invention adopts the following steps: a Hall current sensor chip 1 and a resistance voltage divider which are arranged in the meter are respectively used as a current sensor and a voltage sensor; the current signal output by the Hall current sensor chip 1 is sent to the current input end of the electric energy calculating unit 3, the voltage sensor is a voltage divider formed by R1/R2, and the voltage signal output by the voltage sensor is sent to the voltage input end of the electric energy calculating unit 3 after passing through the voltage signal conditioning amplifier 2; after passing through the electric energy calculating unit 3, the electric energy is sent to the micro-processing unit 4, the micro-processing unit 4 outputs the electric quantity to the digital display 5 to display the electric quantity, and meanwhile, the electric quantity data is output from the COM communication port; the voltages V + and I + are a voltage positive electrode and a current positive electrode which are mutually connected and then are a public access end, and the voltages V-and I-are a voltage negative electrode and a current negative electrode respectively; the load current flows from I + to I-and from I-.
Has the advantages that: the direct current electric energy meter adopts the Hall current sensor chip as the current sensor, has extremely low power consumption and no temperature drift, has the characteristics of accurate and stable measurement and the like, has the superior performances of small volume, easy installation and the like, and has wide use space.
Drawings
Fig. 1 is a diagram of the electric principle of the novel charging pile direct current electric energy meter.
Fig. 2 is an appearance diagram of the novel charging pile direct current electric energy meter.
Fig. 3 is an internal structure diagram of the novel charging pile direct current electric energy meter viewed from the top and from the right.
Fig. 4 is an appearance diagram of a guide rail type structure of the novel charging pile direct current electric energy meter.
In FIGS. 1-4: 1 is a Hall current sensor chip, 2 is a voltage signal conditioning amplifier, 3 is an electric energy calculating unit, 4 is a micro-processing unit, 5 is a digital display, 6 is a shell, 7 is an upper electrode, 8 is a lower electrode, 9 is a printed circuit mainboard, 10 is a printed circuit plugboard, 11 is a COM communication port socket, and 12 is a guide rail type structure shell.
Detailed Description
The drawings illustrate, by way of example, embodiments of the invention and, together with the description, serve to explain the principles of the invention.
Fig. 2 and 3 show an embodiment of the present invention, wherein I + and I-of the hall current sensor chip 1 are respectively welded to the upper electrode 7 and the lower electrode 8 to form electrical connections, and the upper electrode 7 and the lower electrode 8 are fixedly mounted on the housing 6; the components of the electrical schematic diagram shown in fig. 1 are respectively welded to a printed circuit main board 9 and a printed circuit plug board 10, and the printed circuit main board 9 is fixedly installed in the housing 6; the digital display 5 and the COM communication port socket 11 are fixedly mounted on the upper surface of the housing 6.
Fig. 4 shows a novel charging pile dc electric energy meter with a guide rail type structure shell 12, wherein V + and V-, I + and I-are led out through electrodes of the guide rail type structure shell 12, and a digital display 5 and a COM communication port socket 11 are fixedly arranged on the upper surface of the guide rail type structure shell 12.
The above embodiments are disclosed in the accompanying drawings, and the embodiments and drawings are not intended to limit the present invention, but may be modified and modified within the scope of the invention.
Claims (3)
1. Novel fill electric pile and use direct current electric energy meter, adopt hall current sensor chip (1) and the resistance divider built-in the table as electric current and voltage sensor, characterized by respectively: the current signal output by the Hall current sensor chip (1) is sent to the current input end of the electric energy calculating unit (3), the voltage sensor is a voltage divider formed by R1/R2, and the voltage signal output by the voltage sensor is sent to the voltage input end of the electric energy calculating unit (3) after passing through the voltage signal conditioning amplifier (2); after passing through the electric energy computing unit (3), the electric energy is sent to the micro-processing unit (4), the micro-processing unit (4) outputs the electric quantity to the digital display (5) for displaying, and meanwhile, electric quantity data is output from the COM communication port; the voltages V + and I + are a voltage positive electrode and a current positive electrode which are mutually connected and then are a public access end, and the voltages V-and I-are a voltage negative electrode and a current negative electrode respectively; the load current flows from I + to I-and from I-.
2. The novel direct current electric energy meter for the charging pile of claim 1, which is characterized in that: i + and I-of the Hall current sensor chip (1) are respectively welded with an upper electrode (7) and a lower electrode (8) to form electrical connection, and the upper electrode (7) and the lower electrode (8) are fixedly arranged on the shell (6); the components of the electric energy meter are respectively welded on a printed circuit mainboard (9) and a printed circuit plugboard (10), and the printed circuit mainboard (9) is fixedly arranged in a shell (6); the digital display (5) and the COM communication port socket (11) are fixedly arranged on the upper surface of the shell (6).
3. The novel direct current electric energy meter for the charging pile of claim 1, which is characterized in that: the novel charging pile direct current electric energy meter is a guide rail type structure shell (12), V + and V-, I + and I-are led out through an electrode of the guide rail type structure shell (12), and a digital display (5) and a COM communication port socket (11) are fixedly installed on the upper surface of the guide rail type structure shell (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466994.1A CN111562435A (en) | 2020-05-28 | 2020-05-28 | Novel fill electric pile with direct current electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466994.1A CN111562435A (en) | 2020-05-28 | 2020-05-28 | Novel fill electric pile with direct current electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111562435A true CN111562435A (en) | 2020-08-21 |
Family
ID=72069806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010466994.1A Pending CN111562435A (en) | 2020-05-28 | 2020-05-28 | Novel fill electric pile with direct current electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111562435A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323643A (en) * | 2012-03-20 | 2013-09-25 | 美新半导体（无锡）有限公司 | Single-chip current sensor and manufacturing method thereof |
| CN103454597A (en) * | 2012-05-29 | 2013-12-18 | 北京嘉岳同乐极电子有限公司 | Current-induction measuring device and method and sensitivity adjusting method |
| CN104535831A (en) * | 2015-01-15 | 2015-04-22 | 威胜集团有限公司 | Wide-range electric energy meter based on hall sensor |
| CN104977459A (en) * | 2015-07-15 | 2015-10-14 | 威胜集团有限公司 | Current detection device, electric energy meter made by device and metering method thereof |
| CN105428521A (en) * | 2015-11-13 | 2016-03-23 | 扬州国扬电子有限公司 | Power semiconductor module integrated with Hall current sensor |
| CN105699764A (en) * | 2016-03-21 | 2016-06-22 | 威胜集团有限公司 | Hall-sensor-based electric energy meter |
| CN208188190U (en) * | 2018-04-26 | 2018-12-04 | 比亚迪股份有限公司 | Busbar, circuit integration device and vehicle control device |
| CN109490619A (en) * | 2018-10-12 | 2019-03-19 | 国网浙江省电力有限公司丽水供电公司 | A kind of direct-current charging post high accuracy number metering device |
| CN209117742U (en) * | 2018-10-12 | 2019-07-16 | 国网浙江省电力有限公司丽水供电公司 | A kind of direct-current charging post high accuracy number metering device |
| CN110907698A (en) * | 2019-11-22 | 2020-03-24 | 国网浙江省电力有限公司电力科学研究院 | Electric energy metering device for direct current distribution network |
-
2020
- 2020-05-28 CN CN202010466994.1A patent/CN111562435A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323643A (en) * | 2012-03-20 | 2013-09-25 | 美新半导体（无锡）有限公司 | Single-chip current sensor and manufacturing method thereof |
| CN103454597A (en) * | 2012-05-29 | 2013-12-18 | 北京嘉岳同乐极电子有限公司 | Current-induction measuring device and method and sensitivity adjusting method |
| CN104535831A (en) * | 2015-01-15 | 2015-04-22 | 威胜集团有限公司 | Wide-range electric energy meter based on hall sensor |
| CN104977459A (en) * | 2015-07-15 | 2015-10-14 | 威胜集团有限公司 | Current detection device, electric energy meter made by device and metering method thereof |
| CN105428521A (en) * | 2015-11-13 | 2016-03-23 | 扬州国扬电子有限公司 | Power semiconductor module integrated with Hall current sensor |
| CN105699764A (en) * | 2016-03-21 | 2016-06-22 | 威胜集团有限公司 | Hall-sensor-based electric energy meter |
| CN208188190U (en) * | 2018-04-26 | 2018-12-04 | 比亚迪股份有限公司 | Busbar, circuit integration device and vehicle control device |
| CN109490619A (en) * | 2018-10-12 | 2019-03-19 | 国网浙江省电力有限公司丽水供电公司 | A kind of direct-current charging post high accuracy number metering device |
| CN209117742U (en) * | 2018-10-12 | 2019-07-16 | 国网浙江省电力有限公司丽水供电公司 | A kind of direct-current charging post high accuracy number metering device |
| CN110907698A (en) * | 2019-11-22 | 2020-03-24 | 国网浙江省电力有限公司电力科学研究院 | Electric energy metering device for direct current distribution network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103616056B (en) | A kind of multipoint liquid level detection circuit | |
| CN203657886U (en) | Multi-point liquid level detection sensor | |
| CN107870187A (en) | The drinking water conductivity measuring method and measuring circuit of a kind of low-cost and high-precision | |
| CN206074714U (en) | A kind of virtual load assay device for the detection of charging pile metering performance | |
| CN201277992Y (en) | Full automatic digital multi-purpose meter | |
| CN111627160A (en) | New energy automobile charging pile with direct current ammeter and line loss calculation method | |
| CN201435305Y (en) | Current and voltage transformer module | |
| CN102435833A (en) | Temperature compensator of Hall detection current sensor | |
| CN209117742U (en) | A kind of direct-current charging post high accuracy number metering device | |
| CN111562435A (en) | Novel fill electric pile with direct current electric energy meter | |
| CN104577240B (en) | The determination method of lithium ion accumulator and its characteristic with measurement battery | |
| CN208443870U (en) | A kind of electric energy meter testing jig | |
| CN206710567U (en) | Portable multi-function lithium battery group detection case | |
| CN203163840U (en) | High precision column type weighing sensor | |
| CN202748187U (en) | Capacitive pressure transducer | |
| CN213633756U (en) | Detection system for battery electric quantity | |
| CN201532552U (en) | Miniature measuring and controlling device for water purification machine | |
| CN209043964U (en) | Current sensor | |
| CN201255648Y (en) | Liquid level detecting device | |
| CN212134792U (en) | Balanced symmetrical sampling circuit of direct current electric meter | |
| CN202421320U (en) | Temperature compensator for Hall detection current sensor | |
| CN103293362B (en) | DC ammeter and multimeter and apply the measuring method of this reometer or multimeter | |
| CN201903584U (en) | Multifunction direct current electricity meter for photovoltaic system | |
| CN206281894U (en) | Measuring instrument | |
| CN202661522U (en) | Four-wire system shunt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200821 |
|
| RJ01 | Rejection of invention patent application after publication |