CN208369289U - A kind of charging pile over-current and -load protection system based on NB-IOT - Google Patents
A kind of charging pile over-current and -load protection system based on NB-IOT Download PDFInfo
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- CN208369289U CN208369289U CN201821181540.4U CN201821181540U CN208369289U CN 208369289 U CN208369289 U CN 208369289U CN 201821181540 U CN201821181540 U CN 201821181540U CN 208369289 U CN208369289 U CN 208369289U
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- pnp triode
- resistor
- charging pile
- shell
- iot
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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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The utility model discloses a kind of, and the charging pile over-current and -load based on NB-IOT protects system; including charging pile main body; charging pile main body includes shell and the charging gun that hang on shell; electrically-controlled component is equipped in shell; electrically-controlled component includes microcontroller and the key connecting with microcontroller, touch screen, memory module, voice announcer, power module, electric energy metering module, NB-IOT communication module, and the key and touch screen are set on the front panel of shell.The power supply line of charging gun is equipped with charge control module, charge control module includes PMOS tube, first resistor, second resistance, 3rd resistor, the first PNP triode and the second PNP triode, battery current sampling end, the connection charging gun between 3rd resistor and the second PNP triode emitter are provided on route between first resistor and the first PNP triode emitter.The utility model apply when can in the excessive protection power supply circuit of electric current component, be conducive to the popularization and application of electric automobile charging pile.
Description
Technical field
The utility model relates to charging pile equipment technical field, specifically a kind of charging pile over-current and -load based on NB-IOT
Protection system.
Background technique
The consumption of petroleum and tail gas pollution problem generated with continuing to increase for car ownership, automobile, has aggravated the energy
And environmental pressure, energy-saving and emission-reduction receive the great attention of people.Electric car realizes the environmentally friendly, clear of " zero-emission " as a kind of
Clean, energy-conserving product, increasingly has been favored by people.Charging equipment of electric automobile is the auxiliary facility to charge to electric car,
It is the infrastructure for pushing Development of Electric Vehicles, belongs to one of new industry, be and electric vehicle industrialization synchronized development.If
Imperfect mating basic electrically-charging equipment, represents electric automobile charging pile especially as the mainstream of charging equipment of electric automobile
It cannot develop, electric vehicle engineering is advanced again to be also difficult to promote.
Existing electric automobile charging pile is in application, often occur because of input current mistake on the external rechargeable battery of charging gun
It is big and the case where lead to component damage in power supply circuit, it is frequent replace component in power supply circuit and will increase electric car fill
The use cost of electric stake, and then influence whether the popularization and application of electric automobile charging pile.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of charging pile mistake based on NB-IOT
Overload protective device is flowed, overall structure is simple, is easy to implement, and it is at low cost, and charging that can be external in charging gun when its application
Disconnecting circuit when input current is excessive on battery protects component in power supply circuit, and then is conducive to electric automobile charging pile
It promotes and applies.
The purpose of this utility model is achieved through the following technical solutions: a kind of charging pile based on NB-IOT, which is crossed, to be flowed through
Carry protection system, including charging pile main body, the charging pile main body includes shell and the charging gun that hang on shell, the shell
It is equipped with electrically-controlled component in vivo, the electrically-controlled component includes microcontroller and the key connecting with microcontroller, touch screen, storage mould
Block, voice announcer, power module, electric energy metering module, NB-IOT communication module, the key and touch screen are set to shell
On front panel；The power supply line of the charging gun be equipped with charge control module, the charge control module include PMOS tube,
First resistor, second resistance, 3rd resistor, the first PNP triode and the second PNP triode, the grid conduct of the PMOS tube
Charge power supply connecting pin, the drain electrode of PMOS tube connect power supply, the first resistor both ends respectively with PMOS tube source electrode and the first PNP
Transistor emitter connects, and battery current sampling is provided on the route between first resistor and the first PNP triode emitter
End；Described second resistance one end is connected on the route between first resistor and PMOS tube source electrode, the other end and the first PNP tri-
The connection of pole pipe base stage, the first PNP triode collector connect with the second PNP triode base stage, the second PNP triode collector and
The connection of first PNP triode base stage, the second PNP triode emitter are connect with PMOS tube grid；The 3rd resistor both ends point
It is not connect with the second PNP triode emitter and the second PNP triode base stage, and 3rd resistor and the second PNP triode emit
Connection charging gun between pole.
The utility model is in application, by the external rechargeable battery to be charged of first resistor, for obtaining rechargeable battery
The size of electric current, when electric current is excessive, the control circuit conducting that the first PNP triode and the second PNP triode are constituted, PMOS tube
Grid, source electrode current potential become smaller so that PMOS tube is ended, the charging circuit of charging gun is disconnected.
It is monitored for the ease of the operating status to the utility model, further, the electrically-controlled component further includes referring to
Show that lamp, the indicator light are used to indicate the working condition of electrically-controlled component.
Convenient for being overhauled to electrically-controlled component when in order to apply the utility model, further, the side wall of the shell
It is provided with door-plate.
Further, mounting plate is fixed on the shell, the mounting plate separates enclosure interior and constitutes the area Liang Ge up and down
Domain, the electrically-controlled component are set to above mounting plate.The utility model mounting plate can be arranged in specific setting certain high
Degree, to promote the height of electrically-controlled component, to promote the humidity resistance of the utility model.
Further, the charge control module further includes first capacitor, and described first capacitor one end is connected to the second electricity
On route between resistance and the first PNP triode base stage, the other end is connected to first resistor and the first PNP triode emitter
Between route on.The utility model carries out signal filtering by first capacitor, to promote the first PNP triode and the 2nd PNP
The stability of control circuit shutdown, conducting that triode is constituted.
In conclusion the utility model has the advantages that the utility model overall structure compared with prior art
Simply, few using component, be easy to implement, it is at low cost, the utility model in application, electric current by obtaining battery to be charged,
It is led to control the control circuit that the first PNP triode and the second PNP triode are constituted when battery input current to be charged is excessive
Logical, so that PMOS tube is ended, the charging circuit of charging gun is disconnected, and to protect component in power supply circuit, and then is conducive to electronic
The popularization and application of automobile charging pile.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model；
Fig. 2 is the structural schematic diagram of electrically-controlled component in one specific embodiment of the utility model；
Fig. 3 is the structural schematic diagram of charge control module in one specific embodiment of the utility model.
Title corresponding to appended drawing reference in attached drawing are as follows: 1, shell, 2, door-plate, 3, charging gun, 4, key, 5, touch display
Screen, 6, indicator light, 7, mounting plate, 8, charge power supply connecting pin, 9, battery current sampling end, R1, first resistor, R2, the second electricity
Resistance, R3,3rd resistor, C1, first capacitor, N1, PMOS tube, Q1, the first PNP triode, Q2, the second PNP triode.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment:
As shown in FIG. 1 to 3, a kind of charging pile over-current and -load based on NB-IOT protects system, including charging pile main body,
Wherein, charging pile main body includes shell 1 and the charging gun 3 that hang on shell 1, and electrically-controlled component, the present embodiment are equipped in shell 1
Electrically-controlled component include that microcontroller and the key connecting with microcontroller 4, touch screen 5, indicator light 6, memory module, voice are broadcast
Device, power module, electric energy metering module, NB-IOT communication module are reported, key 4, touch screen 5 and indicator light 6 are set on shell 1
On front panel.The microcontroller of the present embodiment uses the TM32F103xE family chip of ARM Cortex-M3 kernel, model
STM32F103ZET6.Memory module uses the memory Flash chip and eeprom chip (M24256B) of large capacity, and voice is broadcast
Device is reported to use the YS07 type voice module of thousand mesh Electronics Co., Ltd.s.Electric energy metering module is anti-electricity-theft using single-phase multifunctional
The special metering IC, model RN8209, chip are capable of measuring active energy, reactive energy, power factor, frequency and voltage.This
It is remotely located that the NB-IOT communication module of embodiment is used to realize that charging pile operating parameter carries out, and has wide covering, large capacity, low
The features such as power consumption, low cost, can be taken in band, three kinds of deployment way of protection band or Independent Carrier Wave using License frequency range, with
Existing network coexists.
The present embodiment realizes the correlation functions such as charging operations using ARM embedded chip as core processor, for controlling,
And the consumption information of user in charging process and the running state information of charging pile itself can be sent out by NB-IOT communication module
It is sent to background server, is supplied to the manager of charging pile.The voice announcer of the present embodiment is mounted on inside shell 1, shell 1
Front panel design has speaker voice giving mouth, and when user carries out charging operations, voice announcer carries out prompt and faulty operation alarm.
The indicator light 6 of the present embodiment indicates current working condition using different luminescent colors, mentions when using charging pile for user
It is indicated for operating status.
For the ease of overhauling electrically-controlled component, the side wall of the shell 1 of the present embodiment is provided with door-plate 2.In order to promote this implementation
The humidity resistance of example, mounting plate 7 is fixed on the shell 1 of the present embodiment, and mounting plate 7 separates 1 Inner Constitution of shell two up and down
Region, electrically-controlled component are set to 7 top of mounting plate.For the present embodiment in specific setting, mounting plate 7 is preferably fixed to 1 middle part of shell.
For the ease of data-printing, the electrically-controlled component of the present embodiment further includes the printer connecting with microcontroller.
The power supply line of the charging gun 3 of the present embodiment is equipped with charge control module, and charge control module includes PMOS tube
N1, first resistor R1, second resistance R2,3rd resistor R3, the first PNP triode Q1, the second PNP triode Q2 and first capacitor
For the grid of C1, the PMOS tube N1 of the present embodiment as charge power supply connecting pin 8, the drain electrode of PMOS tube N1 connects power supply VCC, and first
The both ends resistance R1 are connect with PMOS tube N1 source electrode and the first PNP triode Q1 emitter respectively, first resistor R1 and the first PNP tri-
Battery current sampling end 9 is provided on route between pole pipe Q1 emitter.One end second resistance R2 of the present embodiment is connected to
On route between first resistor R1 and PMOS tube N1 source electrode, the other end is connect with the first PNP triode Q1 base stage, and first
PNP triode Q1 collector is connect with the second PNP triode Q2 base stage, the second PNP triode Q2 collector and tri- pole the first PNP
The connection of pipe Q1 base stage, the second PNP triode Q2 emitter are connect with PMOS tube N1 grid.The both ends 3rd resistor R3 of the present embodiment
It is connect respectively with the second PNP triode Q2 emitter and the second PNP triode Q2 base stage, and 3rd resistor R3 and the 2nd PNP tri-
Connection charging gun 3 between pole pipe Q2 emitter.One end first capacitor C1 of the present embodiment be connected to second resistance R2 with
On route between first PNP triode Q1 base stage, the other end is connected to first resistor R1 and the first PNP triode Q1 and emits
On route between pole.
The present embodiment is electric to obtain cell input terminal to be charged in application, the external battery to be charged of battery current sampling end 9
Stream, to realize that the control circuit constituted to the first PNP triode Q1 and the second PNP triode Q2 implements control.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of charging pile over-current and -load based on NB-IOT protects system, including charging pile main body, the charging pile main body packet
The charging gun (3) for including shell (1) and hanging on shell (1), which is characterized in that electrically-controlled component, institute are equipped in the shell (1)
Stating electrically-controlled component includes microcontroller and the key connecting with microcontroller (4), touch screen (5), memory module, voice broadcast
Before device, power module, electric energy metering module, NB-IOT communication module, the key (4) and touch screen (5) are set to shell (1)
On side panel；The power supply line of the charging gun (3) is equipped with charge control module, and the charge control module includes PMOS tube
(N1), first resistor (R1), second resistance (R2), 3rd resistor (R3), the first PNP triode (Q1) and the second PNP triode
(Q2), the grid of the PMOS tube (N1) connects power supply (VCC) as charge power supply connecting pin (8), the drain electrode of PMOS tube (N1),
First resistor (R1) both ends are connect with PMOS tube (N1) source electrode and the first PNP triode (Q1) emitter respectively, the first electricity
Battery current sampling end (9) are provided on route between resistance (R1) and the first PNP triode (Q1) emitter；Second electricity
Resistance one end (R2) is connected on the route between first resistor (R1) and PMOS tube (N1) source electrode, the other end and the first PNP tri-
The connection of pole pipe (Q1) base stage, the first PNP triode (Q1) collector are connect with the second PNP triode (Q2) base stage, the 2nd PNP tri-
Pole pipe (Q2) collector is connect with the first PNP triode (Q1) base stage, the second PNP triode (Q2) emitter and PMOS tube (N1)
Grid connection；3rd resistor (R3) both ends respectively with the second PNP triode (Q2) emitter and the second PNP triode (Q2)
Base stage connection, and the connection charging gun (3) between 3rd resistor (R3) and the second PNP triode (Q2) emitter.
2. a kind of charging pile over-current and -load based on NB-IOT according to claim 1 protects system, which is characterized in that institute
Stating electrically-controlled component further includes indicator light (6), and the indicator light is used to indicate the working condition of electrically-controlled component.
3. a kind of charging pile over-current and -load based on NB-IOT according to claim 1 protects system, which is characterized in that institute
The side wall for stating shell (1) is provided with door-plate (2).
4. a kind of charging pile over-current and -load based on NB-IOT according to claim 1 protects system, which is characterized in that institute
It states and is fixed on shell (1) mounting plate (7), the mounting plate (7) separates shell (1) Inner Constitution two regions up and down, described
Electrically-controlled component is set to above mounting plate (7).
5. a kind of charging pile over-current and -load protection system based on NB-IOT described according to claim 1~any one of 4,
It is characterized in that, the charge control module further includes first capacitor (C1), described first capacitor (C1) one end is connected to second
On route between resistance (R2) and the first PNP triode (Q1) base stage, the other end is connected to first resistor (R1) and first
On route between PNP triode (Q1) emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181540.4U CN208369289U (en) | 2018-07-25 | 2018-07-25 | A kind of charging pile over-current and -load protection system based on NB-IOT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181540.4U CN208369289U (en) | 2018-07-25 | 2018-07-25 | A kind of charging pile over-current and -load protection system based on NB-IOT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208369289U true CN208369289U (en) | 2019-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821181540.4U Active CN208369289U (en) | 2018-07-25 | 2018-07-25 | A kind of charging pile over-current and -load protection system based on NB-IOT |
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| Country | Link |
|---|---|
| CN (1) | CN208369289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746349A (en) * | 2020-06-28 | 2020-10-09 | 江苏工程职业技术学院 | New energy automobile charging pile control system and control method |
-
2018
- 2018-07-25 CN CN201821181540.4U patent/CN208369289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746349A (en) * | 2020-06-28 | 2020-10-09 | 江苏工程职业技术学院 | New energy automobile charging pile control system and control method |
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