CN109460087A - A kind of AC/DC integrated temperature control charging unit - Google Patents
A kind of AC/DC integrated temperature control charging unit Download PDFInfo
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- CN109460087A CN109460087A CN201710794938.9A CN201710794938A CN109460087A CN 109460087 A CN109460087 A CN 109460087A CN 201710794938 A CN201710794938 A CN 201710794938A CN 109460087 A CN109460087 A CN 109460087A
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- charging
- temperature
- pile body
- rifle
- charging gun
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention is suitable for charging unit, in particular to a kind of AC/DC integrated temperature control charging unit for vehicle, it include: that the pile body that charges with the multiple charging guns of multiple charging guns being arranged in charging pile body is divided into AC charging rifle and DC charging rifle, at least provided with a temperature sensor in AC charging rifle and DC charging rifle；Charging pile body starts according to user's operation, and when the cradle grafting on charging gun and vehicle, charging gun feeds back charging gun type to charging pile body, charging pile body is communicated after receiving charging gun type with vehicle, and charging gun is controlled to Vehicular charging according to user's operation and communication result, and the temperature of charging gun during the charging process is obtained by temperature sensor, when temperature reaches preset temperature corresponding with charging gun type, the pile body that charges reduces the charge power of charging gun, to reduce temperature, it is while realizing AC/DC integrated charging, avoid burning out the cradle on charging gun and vehicle.
Description
Technical field
The present invention relates to a kind of charging unit, in particular to a kind of AC/DC integrated temperature control for electric car, which is charged, to be filled
It sets.
Background technique
As environmental problem is increasingly severe with energy crisis, the new problem that energy-saving and emission-reduction are faced as the whole world, so that
An emphasis direction of the green traffic as various countries' development energy-saving and emission-reduction work, representative of the electric car as green traffic,
Have electric cost low compared with orthodox car, it is energy saving, it is deep to be liked by the masses the advantages that zero-emission.
While electric car fast development, charging auxiliary facility synchronized development corresponding thereto, charging pile is as new
One of emerging industry provides basic charging for electric car.However, existing charging pile can only provide AC charging or straight at present
Charging is connect, functions of the equipments are single；In addition, existing charging pile cannot detect the temperature of charging gun, so by easy production
It is raw because charging gun temperature it is excessively high caused by charging gun or electric car cradle damage the problem of.
Therefore, it is necessary to a kind of technical solution is provided, to solve the above technical problems.
Summary of the invention
The purpose of the present invention is to provide a kind of AC/DC integrated temperature control charging units, it is intended to solve existing charging pile only
AC charging or DC charging can be provided, the temperature of charging gun can not be detected, will be so easy to produce because of charging
The problem of charging gun or electric car cradle damage caused by rifle temperature is excessively high.
The invention is realized in this way a kind of AC/DC integrated temperature control charging unit, for Vehicular charging, the friendship to be straight
Flow multiple charging guns that integrated temperature control charging unit includes: charging pile body with is arranged in the charging pile body, Duo Gesuo
It states charging gun and is divided into AC charging rifle and DC charging rifle, be at least arranged in the AC charging rifle and the DC charging rifle
There is a temperature sensor；
The charging pile body starts according to user's operation, and when the cradle on the charging gun and the vehicle is inserted
When connecing, the charging gun feeds back charging gun type to the charging pile body, and the charging pile body receives the charging gun
It is communicated after type with the vehicle, and the charging gun is controlled to the Vehicular charging according to communication result, and pass through institute
It states temperature sensor and obtains the temperature of the charging gun during the charging process, when the temperature reaches and the charging gun type phase
When corresponding preset temperature, the charging pile body reduces the charge power of the charging gun, to reduce the temperature.
AC/DC integrated temperature control charging unit provided in an embodiment of the present invention is by using point being arranged on charging main body
For the charging gun of DC charging rifle and AC charging rifle, it is provided with temperature sensor in the charging gun, so that when charging pile body
Started according to user's operation, and when the cradle grafting on charging gun and vehicle, charging gun charges to charging pile body feedback
Rifle type, charging pile body receive charging gun type after communicated with vehicle, and according to communication result control charging gun to
Vehicular charging, and the temperature of charging gun during the charging process is obtained by temperature sensor, when temperature reaches and charging gun type
When corresponding preset temperature, charging pile body reduces the charge power of charging gun, to reduce temperature, is realizing alternating current-direct current one
While bulk charging, the cradle burnt out on charging gun and vehicle can effectively avoid.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the modular structure schematic diagram for the AC/DC integrated temperature control charging unit that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides AC/DC integrated temperature control charging unit modular structure schematic diagram；
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to illustrate technical solution of the present invention, the following is a description of specific embodiments.
Fig. 1 shows the modular structure of AC/DC integrated temperature control charging unit provided by one embodiment of the invention, in order to
Convenient for explanation, only the parts related to this embodiment are shown, and details are as follows:
As shown in Figure 1, AC/DC integrated temperature control charging unit provided by the embodiment of the present invention is used for Vehicular charging, and
And the AC/DC integrated temperature control charging unit include: charge pile body 100 be arranged in charging pile body 100 on multiple chargings
Rifle, multiple charging guns are divided into AC charging rifle 220 and DC charging rifle 210, and AC charging rifle 220 and DC charging rifle
At least provided with a temperature sensor in 210.
Specifically, charging pile body 100 starts according to user's operation, and when the cradle grafting on charging gun and vehicle
When, charging gun feeds back charging gun type to charging pile body 100, charging pile body 100 receive after charging gun type with vehicle
It is communicated, and is filled according to user's operation and communication result control charging gun to Vehicular charging, and by temperature sensor acquisition
The temperature of electric rifle during the charging process, when the temperature reaches preset temperature corresponding with charging gun type, charging pile sheet
Body 100 reduces the charge power of charging gun, to reduce temperature.
It should be noted that at least provided with a temperature in 210 charging gun of the AC charging rifle 220 and DC charging rifle
Degree sensor refers to: at least one temperature sensor 211 (in figure only for one) is provided in DC charging rifle 210,
It is provided at least one temperature sensor 221 in AC charging rifle 220 simultaneously (in figure only for one)；In addition, charging pile
Ontology 100 according to user's operation start in user's operation include but is not limited to user charging pile body 100 on execute
Swiping card.
Further, in embodiments of the present invention, preset temperature refers to charging gun work in the ideal temperature of safety zone
Angle value can be configured according to the working characteristics of charging gun, be not particularly limited herein, and specific setting up procedure is herein not
It repeats again.And preset temperature corresponding with charging gun type then refers to: if charging gun type is AC charging rifle, this is pre-
If temperature is the first temperature value, if charging gun type is DC charging rifle, which is second temperature value, first temperature
Angle value and second temperature value can be identical, can also be different.
When it is implemented, at vehicle row to the AC/DC integrated temperature control charging unit, when user is in charging pile body 100
After executing swiping card, charging pile body 100 starts starting operation, when charging gun and the grafting of Vehicular charging socket, charging gun
Can feed back itself charging gun type to charging pile body 100, charging pile body 100 receive after charging gun type with vehicle into
Row communication to obtain the vehicle voltage of vehicle, and controls charging gun to Vehicular charging according to vehicle voltage.
Meanwhile when the pile body 100 that charges controls charging gun and charged to vehicle, due to charging gun and vehicle socket
Junction can generate heat due to there are resistance value, therefore, when the pile body 100 that charges controls charging gun to Vehicular charging, charging
Temperature sensor inside rifle can obtain the temperature of sensing charging gun during the charging process in real time, so that charging pile body
100 obtain the temperature of charging gun during the charging process in real time, when the temperature got reaches corresponding with charging gun type pre-
If when temperature, charging pile body 100 reduces the charge power of charging gun, the temperature of charging gun is reduced with this.
For example, charging pile body 100 obtains the temperature of charging gun during the charging process, if the charging gun is AC charging rifle
220, then when the temperature reaches 80 degrees Celsius, charging pile body 100 reduces the charge power of charging gun, and if the charging gun is
DC charging rifle 210, then when the temperature reaches 90 degrees Celsius, charging pile body 100 reduces the charge power of charging gun.
Further, as a preferred embodiment of the present invention, reducing the charge power of charging gun in the charging pile body 100
Afterwards, if charging pile body 100 detects that the temperature of charging gun continues to rise, the pile body that charges 100 continues to reduce charging gun
Charge power, until the temperature of charging gun reaches capacity when temperature, charging pile body 100 controls charging gun and stops filling to vehicle
Electricity；Wherein, limiting temperature is greater than preset temperature.
Wherein, in embodiments of the present invention, limiting temperature refers to the maximum temperature that cable can bear when charging gun work
Angle value, the Limit temperature value be greater than preset temperature value, and if charging gun during the work time temperature be more than the Limit temperature value,
Then charging gun can be damaged.The limiting temperature can be configured according to the working characteristics of charging gun, be not particularly limited herein,
And details are not described herein again for specific setting up procedure.
Further, if charging pile body 100 is after carrying out drop Power Processing to charging gun, if charging main body 100 detects
Constant temperature to charging gun rises, then shows that the charging filtering of charging gun at this time is excessive, therefore, charging pile body 100 continues
The charge power of charging gun is reduced, until the temperature of charging gun reaches capacity when temperature, charging pile body 100 then controls charging gun
Stop immediately to Vehicular charging, i.e. charging gun stops working.
It is worth noting that, regardless of charging gun is the either DC charging rifle 210 of AC charging rifle 220, the pole of charging gun
Limit temperature value can be set as the maximum temperature value that cable can bear.For example, the maximum temperature value that cable can bear is logical
It is often 105 degrees Celsius, i.e. the Limit temperature value of charging gun can be set to 105 degrees Celsius, but the application is to the pole of charging gun
The numerical value of limit temperature value is not especially limited.
For example, when it is implemented, if charging pile body 100 detects after carrying out drop Power Processing to DC charging rifle 210
To the DC charging rifle 210, constant temperature rises during the charging process, then the pile body that charges 100 continues to reduce the DC charging rifle
210 charge power, until the temperature of DC charging rifle 210 during the charging process reaches 105 degrees Celsius, charge pile body
100 control DC charging rifles 210 stop to Vehicular charging.
If charging pile body 100 detects the AC charging after carrying out drop Power Processing to AC charging rifle 220
Constant temperature rises rifle 20 during the charging process, then the pile body that charges 100 continues to reduce the charging function of the AC charging rifle 220
Rate, until the temperature of AC charging rifle 220 during the charging process reaches 105 degrees Celsius, the charging control exchange of pile body 100 is filled
Electric rifle 220 stops to Vehicular charging.
Further, as a preferred embodiment of the present invention, temperature passes when charging gun type is AC charging rifle 220
Sensor 221 is arranged on the cable apart from pre-determined distance at any two-phase terminal compression joint of AC charging rifle 220.
It should be noted that in embodiments of the present invention, any two phase terminal of AC charging rifle 220 refers to AC charging rifle
The combination of two of U phase, V phase, W phase three-phase terminal in 220 connector, such as U phase terminal and V phase terminal, U phase terminal and W
Phase terminal or V phase terminal and W phase terminal.It wherein, is span exchange on the cable apart from pre-determined distance at two-phase terminal compression joint
At 220 terminal tail end crimping of charging gun on the cable of 10mm, which refers to inserting in the terminal of charging gun and with vehicle
The opposite other end in one end of seated connection touching.
Further, as a preferred embodiment of the present invention, when any two-phase terminal compression joint apart from AC charging rifle 220
When locating to be provided with temperature sensor 221 on the cable of pre-determined distance, if charging pile body 100 detects any temperature sensor
The temperature of charging gun corresponding to 221 transducing signal reaches capacity temperature, then the pile body that charges 100 control charging gun stop to
Vehicular charging.
It should be noted that since the temperature of any phase terminal during the charging process in AC charging rifle 220 is all to friendship
The safety of current charge rifle 220 play the role of it is vital, therefore, can be in any two phase terminal apart from AC charging rifle 220
Temperature sensor 221 is respectively provided at crimping on the cable of pre-determined distance, and remaining another phase terminal in AC charging rifle 220
The settable temperature detect switch (TDS) of the cable of pre-determined distance at crimping, and the pile body 100 that charges can be according to appointing in AC charging rifle 220
The corresponding temperature of the transducing signal of one temperature sensor 221 controls AC charging rifle 220, to prevent AC charging rifle
220 are damaged；It is worth noting that, in embodiments of the present invention, remaining another phase terminal pressure in AC charging rifle 220
The settable temperature detect switch (TDS) of cable for connecing place's pre-determined distance is the prior art, and details are not described herein again.
In addition, charging pile body 100 detects that the corresponding charging gun temperature of the transducing signal of any temperature sensor 221 reaches
Refer to limiting temperature: charging pile body 100 is detected and is preset at any two-phase terminal compression joint of AC charging rifle 220
Any one temperature sensor 221 in two temperature sensors 221 being arranged on the cable of distance reaches capacity temperature.
Specifically, when charging pile body 100 gets two temperature sensors 221 being arranged in AC charging rifle 220
Transducing signal when, charging pile body 100 obtains corresponding temperature according to transducing signal, and by the temperature and AC charging rifle
220 limiting temperature is compared, if the corresponding temperature of the transducing signal of any one temperature sensor 221 is not less than AC charging
The limiting temperature of rifle 220, the then pile body that charges 100 control AC charging rifle 220 and stop to Vehicular charging.
Further, as a preferred embodiment of the present invention, temperature passes when charging gun type is DC charging rifle 210
Sensor 211 is arranged at the negative terminal crimping apart from DC charging rifle 210 on the cable of pre-determined distance and/or fills apart from direct current
At the positive terminal crimping of electric rifle 210 on the cable of pre-determined distance.
It should be noted that in embodiments of the present invention, when charging gun is DC charging rifle 210, the DC charging rifle
There are two connection terminals, respectively positive terminal and negative terminal for 210 tools, and the temperature sensing 211 may be provided at apart from direct current
On the cable of pre-determined distance or the anode apart from DC charging rifle 210 is set at its negative terminal crimping of charging gun 210
It is arranged on the cable of pre-determined distance or simultaneously at terminal compression joint pre- at the negative terminal crimping apart from DC charging rifle 210
If on the cable for crimping place's pre-determined distance on the cable of distance with the positive terminal apart from DC charging rifle 210.Wherein, apart from just
It is the cable of 10mm at the positive and negative terminals tail end crimping of span DC charging rifle 210 on the cable of pre-determined distance at negative terminal crimping
On, the terminal tail end refer in the terminal of charging gun with and vehicle female contact the opposite other end in one end.
Further, as a preferred embodiment of the present invention, it is pre- at the negative terminal crimping apart from DC charging rifle 210
If being provided with temperature on the cable of pre-determined distance at the positive terminal crimping on the cable of distance and apart from DC charging rifle 210
When sensor 211, if charging pile body 100 detects charging gun corresponding to the transducing signal of any temperature sensor 211
Temperature reaches capacity temperature, then the pile body that charges 100 controls charging gun and stops to Vehicular charging.
It should be noted that since the temperature of any terminal during the charging process in DC charging rifle 210 is all to direct current
The safety of charging gun 210 play the role of it is vital, it is therefore, pre- at the negative terminal crimping apart from DC charging rifle 210
If being provided with temperature on the cable of pre-determined distance at the positive terminal crimping on the cable of distance and apart from DC charging rifle 210
When sensor 211, charging pile body 100 can be according to the transducing signal of any one temperature sensor 211 in DC charging rifle 210
Corresponding temperature controls DC charging rifle 210, to prevent DC charging rifle 210 to be damaged.
In addition, charging pile body 100 detects that the corresponding charging gun temperature of the transducing signal of any temperature sensor 211 reaches
Refer to limiting temperature: charging pile body 100 detects the pre-determined distance at two terminal compression joints of DC charging rifle 210
Cable on any one temperature sensor 211 in two temperature sensors 211 being arranged reach capacity temperature.
Specifically, when charging pile body 100 gets two temperature sensors 211 being arranged in DC charging rifle 210
Transducing signal when, charging pile body 100 obtains corresponding temperature according to transducing signal, and by the temperature and DC charging rifle
210 limiting temperature is compared, if the corresponding temperature of the transducing signal of any one temperature sensor 211 is not less than DC charging
The limiting temperature of rifle 210, the then pile body that charges 100 control DC charging rifle 210 and stop to Vehicular charging.
Further, as a preferred embodiment of the invention, as shown in Figure 1, the temperature sensor is thermistor.
Specifically, thermistor may include PTC posive temperature coefficient thermistor and NTC negative tempperature coefficient thermistor, sheet
Preferred NTC negative tempperature coefficient thermistor is invented, which reduces with the raising of temperature, and
Different temperatures is corresponding with different resistance values, resistance value temperature is corresponded in table typing charging pile body 100, charge pile body 100
Pass through the temperature of charging gun during the charging process known to the different resistance values of NTC negative tempperature coefficient thermistor.
In the present invention, AC/DC integrated temperature control charging unit by using be arranged on charging main body 100 being divided into it is straight
The charging gun of current charge rifle 210 and AC charging rifle 220 is provided with temperature sensor 221 or 211 in the charging gun, so that working as
Charging pile body 100 starts according to user's operation, and when the cradle grafting on charging gun and vehicle, and charging gun is to charging pile
Ontology 100 feeds back charging gun type, and charging pile body 100 is communicated after receiving charging gun type with vehicle, and according to logical
It interrogates result control charging gun and obtains the temperature of charging gun during the charging process to Vehicular charging, and by temperature sensor 211 or 221
Degree, when temperature reaches preset temperature corresponding with charging gun type, charging pile body 100 reduces the charging function of charging gun
Rate while realizing AC/DC integrated charging, can effectively avoid the charging burnt out on charging gun and vehicle to reduce temperature
Seat.
Fig. 2 shows another embodiment of the present invention provides AC/DC integrated temperature control charging unit modular structure, in order to
Convenient for explanation, only the parts related to this embodiment are shown, and details are as follows:
As shown in Fig. 2, AC/DC integrated temperature control charging unit provided by the embodiment of the present invention is real on the basis of Fig. 1
Existing, the composition that the difference is that only charging pile body 100 with Fig. 1, specifically, being handed over provided by the embodiment of the present invention
Charging pile body 100 in direct current integrated temperature control charging unit includes:
Filtering and electromagnetism interference module 110, for receiving the alternating current of power supply network output, and are filtered alternating current
With electromagnetism interference processing.
Input control and protective module 130, and filtering are connect with electromagnetism interference module 100, for accepting filter and resisting
Treated the alternating current of electromagnetic interference module 110.
Inverter module 140 and input control are connect with protective module 130, for by treated, alternating current to be converted to directly
Galvanic electricity.
It exports control and protection module 150 and inverter module 140, input control and protective module 130 and charging gun connects
It connects, for being powered according to direct current or treated alternating current to charging gun.
Processing module 160 and input control and protective module 130, inverter module 140, output control and protection module 150
And charging gun connection, for detecting the alternating current and output control and protection mould that are input to input control and protective module 130
The power supply signal that block 150 exports, and when the alternating current for being input to input control and protective module 130 is more than the first limit value,
Disconnect power supply network and charge pile body 100 connection, and power supply signal be more than the second limit value when, control output control with
Protective module 150 stops output power supply signal.
Processing module 160 is also used to detect vehicle voltage, and the duty ratio of inverter module 140 is controlled according to vehicle voltage,
The direct current of the output of inverter module 140 is adjusted with this, and processing module 160 is filled according to the signal acquisition that temperature sensor exports
The temperature of electric rifle during the charging process, and when temperature reaches preset temperature corresponding with charging gun type, reduce charging gun
Charge power.
Specifically, the alternating current that filtering comes to power supply network conveying with electromagnetism interference module 110 is filtered and anti-electricity
Magnetic disturbance processing, with prevent power supply network convey alternating current in noise signal alternating current is interfered, and input control with
Protective module 130 accepts filter with after treated the alternating current of electromagnetism interference module 110, and it is defeated which is divided into two-way
Out, wherein being exported all the way to inverter module 140, so that the inverter module 140 converts the alternating current, by its turn
It is changed to direct current, and by the direct current electricity output after conversion to output control and protection module 150, in order to export control and protection
Module 150 according to the direct current to charging gun power so that the charging gun under the control of processing module 160 to vehicle into
Row DC charging, another way is directly output to output control and protection module 150, in order to export control and protection module 150
It is powered according to the alternating current to charging gun, so that the charging gun exchanges vehicle under the control of processing module 160
Charging, to realize that AC/DC integrated charges.
Realized when it is implemented, existing AC to DC converter circuit can be used in inverter module 140, it is internal include exchange/
The circuits such as direct-flow inverter, filter circuit and pressure stabilizing are handed over when inverter module 140 is received from input control and protective module 130
After galvanic electricity, by internal communication/direct-flow inverter, filter circuit and voltage regulator circuit convert alternating current to stable direct current
Electricity.
Further, the first limit value refer to being input to input control with it is each in the alternating current of protective module 130
The maximum value that electric signal allows to reach, the electric signal include but is not limited to voltage, electric current and power.When due to extraneous factor or
Circuit failure itself causes to be input to any of voltage, electric current or power of input control and protective module 130 when person
When value is greater than the first limit value, processing module 160 then disconnects the connection of power supply network and the pile body 100 that charges, to charging pile sheet
Body 100 is protected.
In addition, the second limit value refers in the alternating current and/or direct current of the output output of control and protection module 150
The maximum value that each electric signal allows to reach, the electric signal include but is not limited to voltage, electric current and power.When due to it is extraneous because
Element or when circuit failure itself cause output any into the output voltage of control and protection module 150, electric current or power
When a value is greater than the first limit value, the control output control and protection module 150 of processing module 160 stops output power supply signal,
To be protected to charging pile body 100.
Further, as a preferred embodiment of the invention, charging pile body 100 further includes leakage protection module 120,
Leakage protection module 120 and filtering connect with electromagnetism interference module 110 and input control with protective module 130, be used for pair
The pile body 100 that charges carries out earth leakage protective.
Further, as a preferred embodiment of the invention, which is digital signal processor.
Specifically, digital signal processor (Digital Signal Processor, DSP), is that one kind is suitable for carrying out
The microprocessor of Digital Signal Processing operation is mainly realized and realizes various digital signal processing algorithms real-time, quickly, at this
In invention, the control to the modules in charging pile body 100 is realized by digital signal processor.
AC/DC integrated temperature control charging unit provided in an embodiment of the present invention is by using point being arranged on charging main body
For the charging gun of DC charging rifle and AC charging rifle, it is provided with temperature sensor in the charging gun, so that when charging pile body
Started according to user's operation, and when the cradle grafting on charging gun and vehicle, charging gun charges to charging pile body feedback
Rifle type, charging pile body receive charging gun type after communicated with vehicle, and according to communication result control charging gun to
Vehicular charging, and the temperature of charging gun during the charging process is obtained by temperature sensor, when temperature reaches and charging gun type
When corresponding preset temperature, charging pile body reduces the charge power of charging gun, to reduce temperature, is realizing alternating current-direct current one
While bulk charging, the cradle burnt out on charging gun and vehicle can effectively avoid, and then solving existing charging pile can only
AC charging or DC charging are provided, the temperature of charging gun can not be detected, will be so easy to produce because of charging gun
The problem of charging gun or electric car cradle damage caused by temperature is excessively high.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of AC/DC integrated temperature control charging unit is used for Vehicular charging, which is characterized in that the AC/DC integrated temperature control
Charging unit includes: that charging pile body is divided with the multiple charging guns to charge in pile body, multiple charging guns are arranged in
For AC charging rifle and DC charging rifle, at least provided with a temperature in the AC charging rifle and the DC charging rifle
Sensor；
The charging pile body starts according to user's operation, and when the cradle grafting on the charging gun and the vehicle
When, the charging gun feeds back charging gun type to the charging pile body, and the charging pile body receives the charging gun class
It is communicated after type with the vehicle, and the charging gun is controlled to the Vehicular charging according to communication result, and by described
Temperature sensor obtains the temperature of the charging gun during the charging process, when the temperature reaches opposite with the charging gun type
When the preset temperature answered, the charging pile body reduces the charge power of the charging gun, to reduce the temperature.
2. AC/DC integrated temperature control charging unit according to claim 1, which is characterized in that dropped in the charging pile body
After the charge power of the low charging gun, if the charging pile body detects that the temperature of the charging gun continues to rise, institute
Charging pile body is stated to continue to reduce the charge power of the charging gun, until the temperature of the charging gun reaches capacity when temperature,
The charging pile body controls the charging gun and stops to the Vehicular charging；Wherein, the limiting temperature is greater than described default
Temperature.
3. AC/DC integrated temperature control charging unit according to claim 1 or 2, which is characterized in that when the charging gun class
When type is AC charging rifle, the temperature sensor is arranged in pre- at any two-phase terminal compression joint of the AC charging rifle
If on the cable of distance.
4. AC/DC integrated temperature control charging unit according to claim 3, which is characterized in that when apart from the AC charging
When being provided with the temperature sensor on the cable of pre-determined distance at any two-phase terminal compression joint of rifle, if the charging pile sheet
The temperature that physical examination measures charging gun corresponding to the transducing signal of any temperature sensor reaches the limiting temperature, then described to fill
Electric pile body controls the charging gun and stops to the Vehicular charging.
5. AC/DC integrated temperature control charging unit according to claim 1 or 2, which is characterized in that when the charging gun class
Type be DC charging rifle when, the temperature sensor be arranged at the negative terminal crimping apart from the DC charging rifle preset away from
From cable on and/or with a distance from the DC charging rifle positive terminal crimping at pre-determined distance cable on.
6. AC/DC integrated temperature control charging unit according to claim 5, which is characterized in that when apart from the DC charging
At positive terminal crimping at the negative terminal crimping of rifle on the cable of pre-determined distance and apart from the DC charging rifle preset away from
From cable on be provided with the temperature sensor when, if the charging pile body detects the sensing of any temperature sensor
The temperature of charging gun corresponding to signal reaches the limiting temperature, then the charging pile body control the charging gun stop to
The Vehicular charging.
7. AC/DC integrated temperature control charging unit according to claim 1, which is characterized in that the temperature sensor is heat
Quick resistance.
8. AC/DC integrated temperature control charging unit according to claim 1, which is characterized in that the charging pile body packet
It includes:
Filtering with electromagnetism interference module, for receive power supply network output alternating current, and to the alternating current be filtered with
Electromagnetism interference processing；
Input control and protective module and the filtering are connect with electromagnetism interference module, for receiving the filtering and anti-electricity
Alternating current after magnetic disturbance resume module；
Inverter module and the input control are connect with protective module, for by treated, alternating current to be converted to direct current；
It exports control and protection module and the inverter module, the input control and protective module and the charging gun connects
It connects, for being powered according to the direct current or treated alternating current to the charging gun；
Processing module and the input control and protective module, the inverter module, the output control and protection module and
The charging gun connection is controlled and is protected for detecting the alternating current for being input to the input control and protective module and the output
The power supply signal of module output is protected, and is more than the first limit value in the alternating current for being input to the input control and protective module
When, the connection of the power supply network and the charging pile body is disconnected, and when the power supply signal is more than the second limit value, control
The output control and protection module is made to stop exporting the power supply signal；
The processing module is also used to detect the vehicle voltage, and controls accounting for for the inverter module according to the vehicle voltage
Empty ratio adjusts the direct current of the inverter module output with this, and the processing module is exported according to the temperature sensor
Signal acquisition described in the temperature of charging gun during the charging process, and reach corresponding with the charging gun type when the temperature
Preset temperature when, reduce the charge power of the charging gun.
9. AC/DC integrated temperature control charging unit according to claim 8, which is characterized in that the charging pile body is also wrapped
Include leakage protection module, the leakage protection module and the filtering and electromagnetism interference module and input control and protection mould
Block connection, for carrying out earth leakage protective to the charging pile body.
10. AC/DC integrated temperature control charging unit according to claim 8 or claim 9, which is characterized in that the processing module is
Digital signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794938.9A CN109460087A (en) | 2017-09-06 | 2017-09-06 | A kind of AC/DC integrated temperature control charging unit |
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| CN113602123A (en) * | 2021-08-27 | 2021-11-05 | 阳光电源股份有限公司 | Direct-current charging pile and charging control method |
| CN113858992A (en) * | 2020-06-30 | 2021-12-31 | 比亚迪股份有限公司 | Charging switching device, vehicle and direct current charging control method |
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