CN206900179U - A kind of Multi-channel type electric car charging equipment - Google Patents
A kind of Multi-channel type electric car charging equipment Download PDFInfo
- Publication number
- CN206900179U CN206900179U CN201720460303.0U CN201720460303U CN206900179U CN 206900179 U CN206900179 U CN 206900179U CN 201720460303 U CN201720460303 U CN 201720460303U CN 206900179 U CN206900179 U CN 206900179U
- Authority
- CN
- China
- Prior art keywords
- charging
- microcontroller
- charging circuit
- electric car
- roads
- 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.)
- Expired - Fee Related
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Classifications
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of Multi-channel type electric car charging equipment, including for carrying out unit of swiping the card or insert coins, N roads charging circuit, charging detection unit and the microcontroller of pre-payment；According to the pre-payment situation of the unit of swiping the card or insert coins, the microcontroller distributes charging circuit all the way to user, starts charging；The charging detection unit, for detecting the charging load of N roads charging circuit, and it is sent to the microcontroller；The microcontroller is closed according to the charging spatial load forecasting N roads charging circuit of N roads charging circuit.
Description
Technical field
Electric car charging equipment is the utility model is related to, specifically, relate to a kind of Multi-channel type electric car charging equipment.
Background technology
As China's electric bicycle is widely using, occur a large amount of Multi-channel type electric car charging equipments on the market, be
Avoid any rechargeable battery all the way from excessively stream occur, overcharge phenomenon, generally pass through the electricity that current transformer gathers battery at this stage
Stream, direct current signal is become by rectification and gives microprocessor progress amplitude measurement processing, so as to be sentenced by current amplitude size
Pond payload is powered off, and then controls the relay switch of corresponding charge circuit；The circuit structure of which is simple, but samples
Principle has limitation, and poor linearity, measurement range is narrow, and load current can only be detected, it is impossible to actual load power
Measure, can not be traded using way of energy measuring, so as to not reach the need that user is directed to the charging of electric car load
Ask.
In order to solve the problem present on, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of this utility model is in view of the shortcomings of the prior art, so as to provide a kind of design science, practical
Multi-channel type electric car charging equipment.
To achieve these goals, technical scheme is used by the utility model：A kind of Multi-channel type electric car charging is set
It is standby, including for carrying out unit of swiping the card or insert coins, N roads charging circuit, charging detection unit and the microcontroller of pre-payment；
According to the pre-payment situation of the unit of swiping the card or insert coins, the microcontroller charges all the way to user's distribution
Circuit, start charging；
The charging detection unit, for detecting the charging load of N roads charging circuit, and it is sent to the microcontroller
MCU；
The microcontroller is closed according to the charging spatial load forecasting N roads charging circuit of N roads charging circuit；
Wherein, it is described charging detection unit include voltage transformer, N number of current transformer and respectively with the microcontroller
The N piece computation chips of device MCU connections, the voltage transformer gather the voltage signal of charging circuit all the way and are respectively sent to N
Piece computation chip；Each current transformer connects charging circuit and a piece of computation chip all the way, gathers the electricity of the charging circuit
Flow signal and send to the computation chip.
Based on above-mentioned, starter is additionally provided with per road charging circuit, the starter includes relay and triode,
The normally opened contact of the relay is connected between the primary side of live wire outlet and the current transformer, the line of the relay
Circle both ends connect the colelctor electrode of dc source and the triode respectively, and the base stage of the triode connects the microcontroller
MCU, the grounded emitter of the triode.
Based on above-mentioned, in addition to display unit, the display unit are connected with the microcontroller.
Based on above-mentioned, in addition to RS485 communication interfaces and Surveillance center, the microcontroller are led to by the RS485
Believe that interface connects the Surveillance center.
The utility model has substantive distinguishing features and progress compared with the prior art, and specifically, the utility model will be single-phase
Computation chip is applied in electric car charging equipment, ensure that the reliability and accuracy of charging load measurement, effective to solve
Existing charging equipment to power, electric energy measurement precision is too low the problem of, while also realize quantitative electric energy charge function.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in figure 1, a kind of Multi-channel type electric car charging equipment, including for carrying out the list of swiping the card or insert coins of pre-payment
Member, N roads charging circuit, charging detection unit and microcontroller；
According to the pre-payment situation of the unit of swiping the card or insert coins, the microcontroller charges all the way to user's distribution
Circuit, start charging；
The charging detection unit, for detecting the charging load of N roads charging circuit, and it is sent to the microcontroller
MCU；
The microcontroller is closed according to the charging spatial load forecasting N roads charging circuit of N roads charging circuit；
Wherein, it is described charging detection unit include voltage transformer, N number of current transformer and respectively with the microcontroller
The N piece computation chips of device MCU connections, the primary side of the voltage transformer are connected in parallel on the live wire inlet wire and zero of charging circuit all the way
Between line inlet wire, the primary side of the voltage transformer connects N piece computation chips respectively；The primary side two of each current transformer
End connects live wire inlet wire and the live wire outlet of charging circuit all the way respectively, and the primary side of each current transformer passes through an electric current
Sampling module correspondingly connects a piece of computation chip.Preferably, the current sample module is made up of several sampling resistors.
Concrete operating principle：The voltage transformer gathers the voltage signal of charging circuit all the way and sent to N pieces and measures
Chip, each current transformer and coupled current sample module form current collection circuit all the way, gather phase inductive charging
The current signal of circuit is simultaneously sent to corresponding computation chip, and the computation chip is according to the voltage signal and electric current letter
Current value, magnitude of voltage and the performance number of number measurement charging circuit, when the performance number of any charging circuit all the way, current value or
When any value is more than or equal to the predetermined threshold value in the microcontroller in magnitude of voltage, the microcontroller controls phase
The charging circuit answered is closed.Current value, magnitude of voltage and performance number are measured by the computation chip, effectively solve existing fill
Electric equipment to power, electric energy measurement precision is too low the problem of, while also avoid any charging circuit all the way from battery load mistake occur
Flow, overcharge phenomenon.
The microcontroller can also add up the electric flux per charging circuit all the way, when wherein charging circuit all the way
Electric flux is more than default electric energy threshold value in the microcontroller, and the microcontroller controls corresponding charging circuit to close
Close, realize quantitative charging.
Specifically, being additionally provided with starter per road charging circuit, the starter includes relay and triode, institute
The normally opened contact for stating relay is connected between the primary side of live wire outlet and the current transformer, the coil of the relay
Both ends connect the colelctor electrode of dc source and the triode respectively, and the base stage of the triode connects the microcontroller,
The grounded emitter of the triode.
When the microcontroller exports low level, the triode ON, lead to so as to the coil of the relay
Electricity, the normally opened contact of the relay is closed, the charging circuit conducting, starts to charge to electric car；When the microcontroller
When MCU exports high level, the triode cut-off, so as to the coil losing electricity of the relay, the normally opened of the relay is disconnected
Contact, the charging circuit disconnect, and stop charging to electric car.
For the ease of user intuitively or the Multi-channel type electric car charging equipment working condition, Multi-channel type electricity
Motor-car charging equipment also includes display unit, and the display unit is connected with the microcontroller.
For the ease of the working condition of Multi-channel type electric car charging equipment described in staff's remote monitor, the multichannel
Formula electric car charging equipment also includes RS485 communication interfaces and Surveillance center, and the microcontroller is led to by the RS485
Believe that interface connects the Surveillance center, for uploading the work shape of the Multi-channel type electric car charging equipment to the Surveillance center
State.
Finally it should be noted that:Above example is only illustrating the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (4)
- A kind of 1. Multi-channel type electric car charging equipment, it is characterised in that：Including the unit of swiping the card or insert coins for carrying out pre-payment, N roads charging circuit, charging detection unit and microcontroller；According to the pre-payment situation of the unit of swiping the card or insert coins, the microcontroller distributes charging circuit all the way to user, Start charging；The charging detection unit, for detecting the charging load of N roads charging circuit, and it is sent to the microcontroller；The microcontroller is closed according to the charging spatial load forecasting N roads charging circuit of N roads charging circuit；Wherein, it is described charging detection unit include voltage transformer, N number of current transformer and respectively with the microcontroller The N piece computation chips of MCU connections, the voltage transformer gather the voltage signal of charging circuit all the way and are respectively sent to N pieces Computation chip；Each current transformer connects charging circuit and a piece of computation chip all the way, gathers the electric current of the charging circuit Signal is simultaneously sent to the computation chip.
- 2. Multi-channel type electric car charging equipment according to claim 1, it is characterised in that：It is additionally provided with per road charging circuit Starter, the starter include relay and triode, the normally opened contact of the relay be connected on live wire outlet and Between the primary side of the current transformer, the coil both ends of the relay connect dc source and the triode respectively Colelctor electrode, the base stage of the triode connect the microcontroller, the grounded emitter of the triode.
- 3. Multi-channel type electric car charging equipment according to claim 1 or 2, it is characterised in that：Also include display unit, institute Display unit is stated to be connected with the microcontroller.
- 4. Multi-channel type electric car charging equipment according to claim 3, it is characterised in that：Also include RS485 communication interfaces And Surveillance center, the microcontroller connect the Surveillance center by the RS485 communication interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460303.0U CN206900179U (en) | 2017-04-28 | 2017-04-28 | A kind of Multi-channel type electric car charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460303.0U CN206900179U (en) | 2017-04-28 | 2017-04-28 | A kind of Multi-channel type electric car charging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206900179U true CN206900179U (en) | 2018-01-19 |
Family
ID=61291317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720460303.0U Expired - Fee Related CN206900179U (en) | 2017-04-28 | 2017-04-28 | A kind of Multi-channel type electric car charging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206900179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973718A (en) * | 2018-06-21 | 2018-12-11 | 浙江利尔达亿合智能科技有限责任公司 | Shared intelligent charging system and method based on NB-IoT network and cloud platform |
-
2017
- 2017-04-28 CN CN201720460303.0U patent/CN206900179U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973718A (en) * | 2018-06-21 | 2018-12-11 | 浙江利尔达亿合智能科技有限责任公司 | Shared intelligent charging system and method based on NB-IoT network and cloud platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20210428 |