CN209096495U - A kind of contact pressure automatic control charging bow system - Google Patents
A kind of contact pressure automatic control charging bow system Download PDFInfo
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- CN209096495U CN209096495U CN201821641106.XU CN201821641106U CN209096495U CN 209096495 U CN209096495 U CN 209096495U CN 201821641106 U CN201821641106 U CN 201821641106U CN 209096495 U CN209096495 U CN 209096495U
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- charging
- bow
- touch panel
- pressure
- pressure sensor
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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
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of contact pressure automatic control charging bow system, is related to electric vehicle charging technical field.Including lifting bow mechanism, driving mechanism, the main power source being connect with driving mechanism and control unit；The charging bow system further includes pressure sensor, DC/DC converter, pressure transmitter, input terminal connection power supply, the output end of DC/DC converter are connect with pressure sensor, pressure transmitter respectively, and pressure sensor is used to detect the contact pressure of the pantograph of lifting bow mechanism and electric vehicle.Charging bow system contact pressure automatic control technology disclosed by the utility model, solve the problems, such as that charging bow is docked with electric car in charging overall process, avoid the equipment or vehicle damage problem when the charging safety problem and excessive pressure of hypotony, realize the real-time quantization processing docked to charging bow with vehicle, further, digitlization, the intelligentized control method of charging bow and vehicle contact are realized.
Description
Technical field
The utility model relates to electric vehicle charging technical field, specially a kind of contact pressure detects charging bow system automatically
System.
Background technique
The high-power charging of electric car is to shorten the charging time, improve car owner's charging consumption experience, solution charging coke
The New-type charge technology considering sense and proposing.High-power charging since the charging time is short, meet electric car course continuation mileage 400~
500 kilometers of quick benefit electricity requires, and substantially increases the consumption experience of car owner.
In high-power charging solution, charging bow because its interface versatility, the automation of charging process and obtain
To fast development.Charging bow is equipped with an extensible arm and contacts with car roof pantograph to be charged, when arm is unfolded
When, it can be connected at the top of the electric car pantograph parked, while this arm will be connected to power grid, give new energy electricity
Electrical automobile charging.
But in the prior art, charging bow with pantograph contact when, can not real-time monitoring contact pressure and to contact threshold value
It carries out automatically controlling, cannot achieve the security protection of active using the mode of stroke control and limit switch, need according to using
The situation constantly system of instruction could ensure the pressure of contact, otherwise can be due to the excessive damage vehicle of pressure and equipment, or because press
Power is too small to be led to not charge normal.
Utility model content
The purpose of the utility model is to provide a kind of contact pressures to automatically control charging bow system, to solve contact pressure
Automatic control problem, passively safety detection is changed into the Prevention-Security of active, while reducing operation expense.
Realizing the technical solution of above-mentioned purpose is: a kind of contact pressure automatic control charging bow system, comprising: lifting bow machine
Structure, driving go up and down the driving mechanism for bending mechanism lifting, the main power source connecting with driving mechanism and control driving mechanism movement
Control unit；It is characterized by: the charging bow system further includes pressure sensor, DC/DC converter, pressure transmitter, DC/
Input terminal connection power supply, the output end of DC converter are connect with pressure sensor, pressure transmitter respectively, pressure sensor
For detecting the contact pressure of the pantograph of lifting bow mechanism and electric vehicle；
The pressure transmitter includes DC/DC converter, analog-digital converter, register, data collector, and the modulus turns
Parallel operation is connect with pressure sensor, the analog signal for sending pressure sensor is converted to digital signal, register and mould
Number converter connection, for store analog-digital converter transmission digital signal, the data collector respectively with register, control
Unit connection, the digital signal for storing register are sent to control unit, and control unit determines to rise according to signal numerical value
The exposure level of Jiang Gong mechanism and electric vehicle pantograph simultaneously controls driving mechanism movement.
Working principle of the utility model is:
It is established when charging bow with electric vehicle and communicates to connect and receive charge request, control unit is driven by driving mechanism
Dynamic lifting bow mechanism drop bow, contacts contact plate with the pantograph of electric vehicle, contact plate is contacted with the pantograph of electric vehicle
Afterwards, the pressure value testing result of pressure sensor is converted and is sent to control unit by pressure transmitter, make contact plate with it is electronic
When the pantograph contact of vehicle reaches given threshold, control unit control driving mechanism stopping is acted and is started to charge.It has charged
Cheng Hou, driving mechanism driving lifting bow mechanism rising bow reset.
The utility model accessible the utility model has the advantages that
1) system is bent in charging disclosed by the utility model, and using high-power charging technique, the charging time is short, whole intelligence
Change, substantially increases the consumption experience of car owner.
2) charging bow system contact pressure automatic control technology disclosed by the utility model is solved and is filled in charging overall process
Pantograph docks problem with electric car, equipment or vehicle when avoiding the charging safety problem and excessive pressure of hypotony
Damage problem, realize to charging bow dock with vehicle real-time quantization processing, further, realize charge bend and vehicle
The digitlization of contact, intelligentized control method.
Further, lifting bow mechanism includes charging bow bracket, direct-flow positive pole charging touch panel, direct current cathode charging
Touch panel, signal end charging touch panel and ground terminal charging touch panel, direct-flow positive pole charging touch panel, direct current cathode charge contact
Plate, signal end charging touch panel and ground terminal charging touch panel pass through insulation board respectively and are connected on charging bow bracket, insulation board
Spring assembly, the direct-flow positive pole charging touch panel, direct current cathode charging touch panel are respectively arranged between charging bow bracket
The two sides of corresponding insulation board are separately installed with pressure sensor, the corresponding analog-digital converter and one of each pressure sensor
A register.
The utility model insulation board corresponding to the direct-flow positive pole charging touch panel, direct current cathode charging touch panel
Two sides are separately installed with pressure sensor, when direct-flow positive pole charging touch panel, the corresponding pressure of direct current cathode charging touch panel pass
Sensor reach the minimum contact threshold of setting but be less than highest contact threshold when, control driving mechanism stopping movement, when appoint
The signal value of what pressure sensor is more than highest threshold, will be handled as pressure anomaly, i.e., control driving mechanism, which rises, rises
Jiang Gong mechanism.
Further, the two sides of insulation board corresponding to signal end charging touch panel and ground terminal charging touch panel are pacified respectively
Equipped with pressure sensor.
When direct-flow positive pole charging touch panel, direct current cathode charging touch panel, signal end charging touch panel and ground terminal charge
When the corresponding all pressure sensors of contact plate reach the minimum contact threshold of setting but are less than highest contact threshold, control
Driving mechanism stopping movement.When any one pressure sensor signal value be more than highest threshold, will as pressure anomaly handle,
I.e. control driving mechanism rises lifting bow mechanism, ensure that the reliable contacts between lifting bow mechanism and pantograph, it is ensured that safety
Charging.
Further, because DC power supply is in power supply process, voltage can be changed by a small margin centered on voltage rating, institute
The input voltage of control unit, driving mechanism and pressure transmitter is stated as wide pressure input, the output voltage of main power source is defeated in width pressure
Enter within voltage range.
Further, driving mechanism is line handspike, and line handspike is corresponding with push rod controller, and push rod controller passes through
CAN communication connects control unit.
Further, it is connected between control unit and data collector by RS485 bus communication.
Detailed description of the invention
Fig. 1 is the systematic schematic diagram of first embodiment；
Fig. 2 is the top view of the contact plate of the lifting bow mechanism in first embodiment；
Fig. 3 is the structural schematic diagram of the lifting bow mechanism 1 in first embodiment；
Fig. 4 be first embodiment in pressure sensor, DC/DC converter, pressure transmitter systematic schematic diagram；
Fig. 5 be first embodiment in pressure sensor, DC/DC converter, pressure transmitter systematic schematic diagram.
Specific embodiment
First embodiment
As shown in Figs 1-4, charging bow system in the prior art includes lifting bow mechanism 1, for driving lifting bow mechanism 1
Driving mechanism 2, the main power source 3 that is connect with driving mechanism 2 and the control unit 4 of control driving mechanism movement, main power source 3
Turn 24V DC power supply for 220V exchange, wherein the driving mechanism in the present embodiment is line handspike, and line handspike is corresponding with push rod
Controller, push rod controller connect control unit 4 by CAN communication.
As shown in Figure 2,3, existing lifting bow mechanism 1 include charging bow bracket 1.1, direct-flow positive pole charging touch panel 1.2,
Direct current cathode charging touch panel 1.3, signal end charging touch panel 1.4 and ground terminal charging touch panel 1.5, top view such as Fig. 2
Shown, direct-flow positive pole charging touch panel 1.2, direct current cathode charging touch panel 1.3 are located on diagonal line, signal end charging touch panel
1.4 for receiving the data-signal of electric vehicle feedback, such as the electricity data of electric vehicle, ground terminal charging touch panel 1.5
For being grounded.
Direct-flow positive pole charging touch panel 1.2, direct current cathode charging touch panel 1.3, signal end charging touch panel 1.4 and ground connection
End charging touch panel 1.5 is connected on charging bow bracket 1.1 by insulation board 1.6 respectively, insulation board 1.6 and charging bow bracket
Spring assembly 5 is respectively arranged between 1.1, spring assembly 5 includes the guide rod 5.1 being connected on insulation board 1.6, guide rod 5.1
Upper end passes through charging bow bracket 1.1 and is connected with stop screw 5.2, the guide rod between insulation board 1.6 and charging bow bracket 1.1
Spring 5.3 has been placed on 5.1.
The main improvement of the utility model is: the charging bow system further includes pressure sensor 6, DC/DC transformation
Device 8, pressure transmitter 7, the input terminal of DC/DC converter 8 is connect with the output end of main power source 3, output end is passed with pressure respectively
Sensor 6, pressure transmitter 7 connect, and pressure sensor 6 is mounted on direct-flow positive pole charging touch panel 1.2, direct current cathode charge contact
The upper end two sides of insulation board 1.6 corresponding to plate 1.3, pressure sensor 6 be used to detect lifting bow mechanism 1 and electric vehicle by
The contact pressure of pantograph,
As shown in figure 4, pressure transmitter 7 includes analog-digital converter 7.2, register 7.3, data collector 7.4, each pressure
Force snesor 6 has been correspondingly connected with an analog-digital converter 7.2, and analog-digital converter 7.2 is used for the simulation for sending pressure sensor 6
Signal is converted to digital signal, and each analog-digital converter 7.2 is correspondingly connected with a register 7.3, and register 7.3 is for storing mould
The digital signal that number converter 7.2 is sent, data collector 7.4 are connect with register 7.3, control unit 4 respectively, wherein data
It is connected between transceiver 7.4 and control unit 4 by RS485 bus communication, data collector 7.4 is for storing up register 7.4
The digital signal deposited is sent to control unit 4, control unit 4 according to signal numerical value determine lifting bow mechanism 1 and electric vehicle by
The exposure level of pantograph simultaneously controls the movement of driving mechanism 2.
The input voltage of the present embodiment described control unit 4, driving mechanism 2 and pressure transmitter 7 is wide pressure input, main electricity
The output voltage in source 3 is within width pressure input voltage range.
When utility model works, when charging bow system and electric vehicle foundation communication connection and charge request is received
Afterwards, control unit 4 makes direct-flow positive pole charging touch panel 1.2, direct current cathode by the driving lifting bow of driving mechanism 2 mechanism 1 drop bow
Charging touch panel 1.3, signal end charging touch panel 1.4 and ground terminal charging touch panel 12.5 and the pantograph of electric vehicle connect
Touching, while the pressure value testing result of pressure sensor 6 is sent to control unit 4 by pressure transmitter 7, when direct-flow positive pole charges
Contact plate 1.2, the corresponding pressure sensor 6 of direct current cathode charging touch panel 1.3 reach the minimum contact threshold of setting but not
When contacting threshold more than highest, control 2 stopping of driving mechanism movement, when the signal value of any one pressure sensor 6 is more than most
High threshold will be handled as pressure anomaly, i.e., control driving mechanism 2 rises lifting bow mechanism 1.
Second embodiment
As shown in figure 5, the structural principle of second embodiment is essentially identical with first embodiment, difference is: direct current is just
Pole charging touch panel 1.2, direct current cathode charging touch panel 1.3, signal end charging touch panel 1.4 and ground terminal charging touch panel
The upper end two sides of insulation board 1.6 corresponding to 1.5 are provided with pressure sensor 6.Each pressure sensor 6 has been correspondingly connected with one
A analog-digital converter 7.2, each analog-digital converter 7.2 are correspondingly connected with a register 7.3, data collector 8 respectively with deposit
Device 7.3, control unit 4 connect.
When direct-flow positive pole charging touch panel 1.2, direct current cathode charging touch panel 1.3, signal end charging touch panel 1.4 and connect
The corresponding all pressure sensors 6 of ground terminal charging touch panel 1.5, which reach the minimum contact threshold of setting but are less than highest, to be connect
When touching threshold, control 2 stopping of driving mechanism movement.When any one pressure sensor 6 signal value be more than highest threshold, will make
For pressure anomaly processing, i.e. control driving mechanism 2 rises lifting bow mechanism 1, ensure that between lifting bow mechanism 1 and pantograph
Reliable contacts, it is ensured that safe charging.
Claims (6)
1. a kind of contact pressure automatically controls charging bow system, comprising: lifting bow mechanism, the driving for driving the lifting of lifting bow mechanism
The control unit of mechanism, the main power source being connect with driving mechanism and control driving mechanism movement；It is characterized by: the charging
Bow system further includes pressure sensor, DC/DC converter, pressure transmitter, the input terminal connection power supply electricity of DC/DC converter
Source, output end are connect with pressure sensor, pressure transmitter respectively, and pressure sensor is for detecting lifting bow mechanism and electric vehicle
Pantograph contact pressure；
The pressure transmitter includes DC/DC converter, analog-digital converter, register, data collector, the analog-digital converter
It is connect with pressure sensor, the analog signal for sending pressure sensor is converted to digital signal, register and modulus turn
Parallel operation connection, for store analog-digital converter transmission digital signal, the data collector respectively with register, control unit
Connection, the digital signal for storing register are sent to control unit, and control unit determines lifting bow according to signal numerical value
The exposure level of mechanism and electric vehicle pantograph simultaneously controls driving mechanism movement.
2. a kind of contact pressure according to claim 1 automatically controls charging bow system, it is characterised in that: lifting bow mechanism
It include charging bow bracket, direct-flow positive pole charging touch panel, direct current cathode charging touch panel, signal end charging touch panel and ground connection
Charging touch panel is held, direct-flow positive pole charging touch panel, direct current cathode charging touch panel, signal end charging touch panel and ground terminal fill
Electrical Contact Plate passes through insulation board respectively and is connected on charging bow bracket, is respectively arranged with spring between insulation board and charging bow bracket
The two sides of component, insulation board corresponding to the direct-flow positive pole charging touch panel, direct current cathode charging touch panel are separately installed with
Pressure sensor, the corresponding analog-digital converter of each pressure sensor and a register.
3. a kind of contact pressure according to claim 2 automatically controls charging bow system, it is characterised in that: signal end charging
The two sides of insulation board corresponding to contact plate and ground terminal charging touch panel are separately installed with pressure sensor.
4. a kind of contact pressure according to claim 1 automatically controls charging bow system, it is characterised in that: the control is single
The input voltage of member, driving mechanism and pressure transmitter is wide pressure input, and the output voltage of main power source presses input voltage model in width
Within enclosing.
5. a kind of contact pressure according to claim 1 automatically controls charging bow system, it is characterised in that: driving mechanism is
Line handspike, line handspike are corresponding with push rod controller, and push rod controller connects control unit by CAN communication.
6. a kind of contact pressure according to claim 1 automatically controls charging bow system, it is characterised in that: control unit with
It is connected between data collector by RS485 bus communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641106.XU CN209096495U (en) | 2018-10-10 | 2018-10-10 | A kind of contact pressure automatic control charging bow system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641106.XU CN209096495U (en) | 2018-10-10 | 2018-10-10 | A kind of contact pressure automatic control charging bow system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209096495U true CN209096495U (en) | 2019-07-12 |
Family
ID=67154678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821641106.XU Active CN209096495U (en) | 2018-10-10 | 2018-10-10 | A kind of contact pressure automatic control charging bow system |
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| Country | Link |
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| CN (1) | CN209096495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677783A (en) * | 2019-10-18 | 2021-04-20 | 许继电气股份有限公司 | Lifting type charging device, charging pile and movement control method of lifting type charging device |
-
2018
- 2018-10-10 CN CN201821641106.XU patent/CN209096495U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677783A (en) * | 2019-10-18 | 2021-04-20 | 许继电气股份有限公司 | Lifting type charging device, charging pile and movement control method of lifting type charging device |
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