CN105652081A - Monitoring unit with integration of direct-current electricity meter function - Google Patents
Monitoring unit with integration of direct-current electricity meter function Download PDFInfo
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- CN105652081A CN105652081A CN201610192600.1A CN201610192600A CN105652081A CN 105652081 A CN105652081 A CN 105652081A CN 201610192600 A CN201610192600 A CN 201610192600A CN 105652081 A CN105652081 A CN 105652081A
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- monitoring unit
- module
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- integrated
- computation chip
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- 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
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
Abstract
The invention discloses a monitoring unit with integration of direct-current electricity meter function and belongs to the technical field of electric vehicle power supplies. The monitoring unit comprises an auxiliary power supply and a sampling module, a main processor and a communication module that are connected in succession and also comprises a display module connected with the main processor and a metering chip disposed between the sampling module and the main processor; the auxiliary power supply is connected respectively with the sampling module, the communication module, the main processor, the displaying module and the metering chip and provides them with operation required electricity support. The monitoring unit disclosed herein has higher integration than an original technical scheme using an independent direct-current electricity meter, the structural space of a charger and wiring technique of an electrical system can be optimized, and cost can be lowered.
Description
Technical field
The invention belongs to electric car power supply technical field, it relates to the monitoring unit of integrated DC ammeter function in a kind of charging electric vehicle machine.
Background technology
New-energy automobile industry development in recent years is rapid, and the application of electromobile is also more and more extensive. Corresponding supporting industry has also welcome fast development, and the supporting Infrastructure charging set such as electromobile is exactly like this. Owing to the power resources of electromobile are in power cell, power cell must carry out charging supplementing energy and could continue to use after using, and this just requires that electromobile must have supporting charging set in order to charging. The charging set of operation mostly is public operation at present, and the electromobile client charged at this type of charging set needs to charge, and this just requires that charging set has ammeter to carry out rechargeable electrical energy and measures, using the foundation as charge.
DC charging motor uses nature no exception as operation, the power stage loop, each road (i.e. each road charging gun) of DC charging motor all can configure a direct current ammeter, in order to metering with show the information such as the voltage of each road charging, electric current, power and electricity.
Monitoring unit in DC charging motor be responsible for charging set inside monitoring and and the information communication of electromobile BMS, form primarily of accessory power supply, sampling module, main treater, storer, communication module etc.
And direct current ammeter is generally made up of accessory power supply, sampling module, computation chip, main treater, storer, communication module and display module. Accessory power supply gives each component units stable power-supplying of ammeter after the input line power taking of auxiliary source, sampling module gathers voltage, electric current signal by sample line from the power stage loop of charging set, data processing and electric quantity metering is carried out by computation chip, data are by being shown by display module after main treater, it is connected with the communication module of charging set by RS485 communication line again, carries out the mutual of information.
From assembly unit, direct current ammeter has mass part to be that function is identical with the monitoring unit of charging set. Each charging loop of current charging set is configured with separately a direct current ammeter, does not occupy certain system space, increases wiring and the assembly work amount of electrical system, also add the cost of charging set.
Summary of the invention
In order to overcome the defect that above-mentioned prior art exists, it is an object of the invention to provide the monitoring unit of a kind of integrated DC ammeter function, this monitoring modular construction is succinct, integrated level height, cost are low.
The present invention is achieved through the following technical solutions:
A monitoring unit for integrated DC ammeter function, sampling module, main treater and the communication module comprising accessory power supply and being connected successively, also comprises and the display module that main treater is connected, and the computation chip being arranged between sampling module and main treater; Accessory power supply is connected respectively with sampling module, communication module, main treater, display module and computation chip and provides the electric power support needed for work;
Sampling module, for the voltage signal and the electric current signal that charge from power stage bus collection and be delivered to computation chip;
Computation chip, for voltage signal and electric current signal are carried out computing, and charging related data transmission process obtained is to main treater;
Display module, the relevant data of the charging for being uploaded by main treater are converted to numerical monitor.
Sampling module comprises voltage sample module and current sample module.
Computation chip adopts direct current ammeter the special metering IC.
Charging related data packets draws together charging voltage, electric current, power and electricity.
Also comprise and the storer that main treater is connected, the relevant data of the charging that storer obtains for storing computation chip process.
Main treater can control the size of charging set output rating.
Communication module adopts CAN transceiver module, for charging set internal control and with the information interaction of electromobile BMS.
Compared with prior art, the present invention has following useful technique effect:
The monitoring unit of integrated DC ammeter function disclosed by the invention, sampling module, main treater and the communication module comprising accessory power supply and be connected successively, also comprise and the display module that main treater is connected, and the computation chip being arranged between sampling module and main treater; Accessory power supply is connected respectively with sampling module, communication module, main treater, display module and computation chip and provides the electric power support needed for work. The monitoring unit of the present invention is integrated with computation chip and display module, thus makes power distributing unit possess the function of direct current ammeter, has higher integrated level, it is possible to optimizes the structure space of charging set and the Wiring technique of electrical system, effectively reduces cost.
Accompanying drawing explanation
Fig. 1 is the monitoring unit functional block diagram of non-integrated DC ammeter function in prior art;
Fig. 2 is direct current ammeter functional block diagram;
Fig. 3 is the monitoring unit functional block diagram of integrated electricity meter function of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
See Fig. 1, it is the monitoring unit functional block diagram of integrated electricity meter function non-in prior art, comprises accessory power supply, sampling module, main treater and the communication module of monitoring unit, also comprise and the storer that main treater is connected; See Fig. 2, it is direct current ammeter functional block diagram, comprises sampling module, computation chip, main treater and display module.
See Fig. 3, it is the monitoring unit of the integrated electricity meter function of the present invention, adds computation chip and display module on the basis of existing technology, make the present invention monitor unit except original function, also possessed metering and the display function of direct current ammeter.
In the present invention, accessory power supply is connected with sampling module, communication module, computation chip, main treater and display module and provides the electric power support needed for work;
Sampling module comprises voltage sample and current sample, and sampling module gathers, from power stage bus, voltage signal and the electric current signal that charge power exports, and is delivered to computation chip, carries out the calculating of data processing and electrical parameter by computation chip.
Computation chip is direct current ammeter the special metering IC, after voltage and electric current signal carry out data processing and metering, obtains the relevant data of the chargings such as charging voltage, electric current, power, electricity and reaches main treater.
Main treater is connected to display module and storer, the data that computation chip process obtains is reached display module, and deposits in memory. BMS charging voltage that main treater can also obtain alternately according to the voltage, current data and the communication module that obtain, electric current demand, the size of control charging set output rating.
Display module is that the data that main treater is uploaded are converted to numerical monitor, makes monitoring unit possess display function, conveniently checks.
Communication module is CAN transceiver module, is responsible for charging set internal control and the information interaction with electromobile BMS.
In sum, the monitoring unit of integrated DC ammeter function disclosed by the invention, the existing assembly of monitoring unit and direct current exterior portion subcomponent is utilized to have the feature of identical function, on the basis of this part assembly the direct current such as integrating metrology chip and display module boast of one's bit of contribution can necessary assembly, thus make monitoring unit possess the function of direct current ammeter. Compared with the original technical scheme using independent direct current electric energy table, there is higher integrated level, it is possible to optimize the structure space of charging set and the Wiring technique of electrical system, reduce cost simultaneously.
Claims (7)
1. the monitoring unit of an integrated DC ammeter function, it is characterized in that, sampling module, main treater and the communication module comprising accessory power supply and be connected successively, also comprises and the display module that main treater is connected, and the computation chip being arranged between sampling module and main treater; Accessory power supply is connected respectively with sampling module, communication module, main treater, display module and computation chip and provides the electric power support needed for work;
Sampling module, for the voltage signal and the electric current signal that charge from power stage bus collection and be delivered to computation chip;
Computation chip, for voltage signal and electric current signal are carried out computing, and charging related data transmission process obtained is to main treater;
Display module, the relevant data of the charging for being uploaded by main treater are converted to numerical monitor.
2. the monitoring unit of integrated DC ammeter function according to claim 1, it is characterised in that, sampling module comprises voltage sample module and current sample module.
3. the monitoring unit of integrated DC ammeter function according to claim 1, it is characterised in that, computation chip adopts direct current ammeter the special metering IC.
4. the monitoring unit of integrated DC ammeter function according to claim 1, it is characterised in that, charging related data packets draws together charging voltage, electric current, power and electricity.
5. the monitoring unit of integrated DC ammeter function according to claim 1, it is characterised in that, also comprise and the storer that main treater is connected, the relevant data of the charging that storer obtains for storing computation chip process.
6. the monitoring unit of integrated DC ammeter function according to claim 1, it is characterised in that, main treater can control the size of charging set output rating.
7. the monitoring unit of integrated DC ammeter function according to claim 1, it is characterised in that, communication module adopts CAN transceiver module, for charging set internal control and with the information interaction of electromobile BMS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610192600.1A CN105652081B (en) | 2016-03-30 | 2016-03-30 | A kind of monitoring unit of integrated DC ammeter function |
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| CN201610192600.1A CN105652081B (en) | 2016-03-30 | 2016-03-30 | A kind of monitoring unit of integrated DC ammeter function |
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| CN105652081A true CN105652081A (en) | 2016-06-08 |
| CN105652081B CN105652081B (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370950A (en) * | 2016-09-12 | 2017-02-01 | 深圳市安和威电力科技股份有限公司 | Charging facility data recorder |
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| CN105652081B (en) | 2019-11-05 |
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Effective date of registration: 20191225 Address after: 710077 Shaanxi city of Xi'an province high tech Zone No. 211 days Valley Ba Lu HUanpu science and Technology Industrial Park building E Building No. E206-2 Co-patentee after: Qingdao teltel New Energy Technology Co., Ltd Patentee after: XI'AN TERUIDE INTELLIGENT CHARGING TECHNOLOGY CO., LTD. Address before: 710077 Shaanxi city of Xi'an province high tech Zone No. 211 days Valley Ba Lu HUanpu science and Technology Industrial Park building E Building No. E206-2 Co-patentee before: Qingdao Tgood Electric Co., Ltd. Patentee before: XI'AN TERUIDE INTELLIGENT CHARGING TECHNOLOGY CO., LTD. |
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Address after: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee after: Xi'an Telai Intelligent Charging Technology Co.,Ltd. Patentee after: Qingdao special call New Energy Technology Co., Ltd Address before: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee before: XI'AN TGOOD INTELLIGENT CHARGING TECHNOLOGY Co.,Ltd. Patentee before: Qingdao special call New Energy Technology Co., Ltd |