CN105914824A - Direct current non-polarized frame type charging device - Google Patents
Direct current non-polarized frame type charging device Download PDFInfo
- Publication number
- CN105914824A CN105914824A CN201610317401.9A CN201610317401A CN105914824A CN 105914824 A CN105914824 A CN 105914824A CN 201610317401 A CN201610317401 A CN 201610317401A CN 105914824 A CN105914824 A CN 105914824A
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- Prior art keywords
- catalyst
- charging device
- outfan
- switch
- polarity
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
Abstract
The invention relates to a direct current non-polarized frame type charging device. A polarity determination unit determines the polarity of the input terminal of a vehicle to be charged which is connected to a first output terminal and a second output terminal of a charging device. If the anode of the vehicle to be charged is determined to be connected with the first output terminal, and the cathode of the vehicle to be charged is determined to be connected with the second output terminal, the polarity determination unit outputs a first switching signal to a loop control unit; the loop control unit controls closure of a first contactor and a third contactor according to the first switching signal, allowing the first output terminal of the charging device to be the anode, and the second output terminal to be the cathode. In a similar way, if the determination result of the polarity determination unit is opposite, a second contactor and a fourth contactor are controlled to be closed, allowing the first output terminal of the charging device to be the cathode, and the second output terminal to be the anode. Accordingly, a pantograph type electric automobile can not distinguish the polarities of a charging frame and a pantograph in charging, i.e., the body direction of the electric automobile is not limited, thereby facilitating vehicle charging by a user.
Description
Technical field
The present invention relates to charging device, particularly relate to a kind of DC electrodeless posture charging dress controlling simplicity
Put.
Background technology
The both positive and negative polarity of existing charging rack is fixing, so requires to enter by the direction provided when electric motor car charges
, anisotropy can cause charging, even damage charger.Charging rack and automobile pantograph just have
Negative pole point, electric motor car can only be marched into the arena charging by a direction, can lead if direction when charging of marching into the arena is anti-
The pantograph causing automobile is reverse with charging rack both positive and negative polarity, it is impossible to charging, and serious meeting damages charger.
Summary of the invention
Based on this, it is necessary to provide a kind of DC electrodeless posture charging device controlling simplicity.
A kind of DC electrodeless posture charging device, including: contact modules, Check up polarity module；Described
Contact modules includes the first catalyst, the second catalyst, the 3rd catalyst and the 4th catalyst；Described pole
Property detection module includes polarity judging unit and circuit controls unit；
Described first catalyst is for connecting the first outfan of DC power anode and described charging device；
Described second catalyst is for connecting the first output of described DC power anode and described charging device
End；
Described 3rd catalyst is for connecting the second output of described DC power cathode and described charging device
End；
Described 4th catalyst is for connecting the second output of described DC power cathode and described charging device
End；
Described polarity judging unit is connected between the first outfan of described charging device and the second outfan；
The input of described circuit controls unit terminates described in the outfan of described polarity judging unit, output termination
Contact modules；
Described polarity judging unit is for judging with the first outfan of described charging device, the second outfan even
The polarity of the vehicle input to be charged connect；
If described polarity judging unit judge to be connected with the first outfan for described vehicle to be charged just
The negative pole for described vehicle to be charged that pole is connected with the second outfan；The most described polarity judging unit exports
First switching signal gives described circuit controls unit；Described circuit controls unit is according to described first switching signal
Controlling described first catalyst and described 3rd catalyst Guan Bi, the first outfan making described charging device is
Positive pole, the second outfan are negative pole；
If described polarity judging unit judges the bearing for described vehicle to be charged being connected with the first outfan
The positive pole for described vehicle to be charged that pole is connected with the second outfan；The most described polarity judging unit exports
Second switching signal gives described circuit controls unit；Described circuit controls unit is according to described second switching signal
Controlling described second catalyst and described 4th catalyst Guan Bi, the first outfan making described charging device is
Negative pole, the second outfan are positive pole.
Wherein in an embodiment, described first catalyst includes switching KM11 and electronic coil KM12；
Described switch KM11 is for connecting the first outfan of DC power anode and described charging device, institute
State electronic coil KM12 to be connected with described circuit controls unit.
Wherein in an embodiment, described second catalyst includes switching KM21 and electronic coil KM22；
Described switch KM21 is for connecting the first outfan of DC power anode and described charging device, institute
State electronic coil KM22 to be connected with described circuit controls unit.
Wherein in an embodiment, described 3rd catalyst includes switching KM31 and electronic coil KM32；
Described switch KM31 is for connecting the second outfan of DC power anode and described charging device, institute
State electronic coil KM32 to be connected with described circuit controls unit.
Wherein in an embodiment, described 4th catalyst includes switching KM41 and electronic coil KM42；
Described switch KM41 is for connecting the second outfan of DC power anode and described charging device, institute
State electronic coil KM42 to be connected with described circuit controls unit.
Wherein in an embodiment, described circuit controls unit includes the first driving switch JY1, the second driving
Switch JY2, catalyst KA1 and catalyst KA2；
Described catalyst KA1 includes normally closed switch KA11, electronic coil KA12 and normal open switch KA13；
Described catalyst KA2 includes normally closed switch KA21, electronic coil KA22 and normal open switch KA23；
Described first drives switch JY1, described normally closed switch KA11, electronic coil KA12 to be sequentially connected to
Between V+ end and the V-end of chip power；
Described second drives switch JY2, described normally closed switch KA21, electronic coil KA22 to be sequentially connected to
Between V+ end and the V-end of chip power；
Described normal open switch KA13 is simultaneously connected with described first catalyst and described 3rd catalyst；
Described normal open switch KA23 is simultaneously connected with described second catalyst and described 4th catalyst.
Wherein in an embodiment, also include being connected to described DC power anode and described first catalyst
Between the 5th catalyst, described 5th catalyst be used for controlling described DC source and described first catalyst,
The conducting of described 4th catalyst and disconnection.
Wherein in an embodiment, described 5th catalyst includes catalyst KM5.
Wherein in an embodiment, also include that the first electric fuse FU1, described first electric fuse FU1 connect
Between described 5th catalyst and described first catalyst.
Wherein in an embodiment, also include that the second electric fuse FU2, described second electric fuse FU2 connect
Between described first catalyst and the first outfan of described charging device.
Above-mentioned DC electrodeless posture charging device judges defeated with the first of charging device by polarity judging unit
Go out the polarity of the vehicle input to be charged of end, the second outfan connection.If judging with the first outfan even
The negative pole for vehicle to be charged that the positive pole for vehicle to be charged connect and the second outfan connect；Then polarity
Judging unit exports the first switching signal to loop control unit；Circuit controls unit is according to the first switching signal
Control the first catalyst and described 3rd catalyst Guan Bi, make the first outfan of charging device be positive pole, the
Two outfans are negative pole.In like manner, if the judged result of polarity judging unit is contrary to the above, then second is controlled
Catalyst and the 4th catalyst Guan Bi, the first outfan making charging device is that negative pole, the second outfan are for just
Pole.Thus, can be the most electronic regardless of charging rack and the polarity of pantograph during pantograph formula charging electric vehicle
During car charging, car body direction is unrestricted, facilitates user to Vehicular charging.
Accompanying drawing explanation
Fig. 1 is the module map of DC electrodeless posture charging device；
Fig. 2 is the circuit diagram of DC electrodeless posture charging device；
Fig. 3 is the circuit diagram of circuit controls unit.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.
Accompanying drawing gives the preferred embodiment of the present invention.But, the present invention can come in many different forms
Realize, however it is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiments be make right
The understanding of the disclosure is more thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another
On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements.Used herein
Term " vertical ", " level ", "left", "right" and similar statement simply to illustrate that mesh
's.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.Used herein
Term " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
When posture is charged, the pantograph of electric motor car have both positive and negative polarity point and the polarity of pantograph be integrally fixed at not
Become, can only be marched into the arena by a direction during electric motor car charging, it is ensured that the both positive and negative polarity of pantograph is with charging rack just
Negative pole the most just can complete charging, if electric motor car is marched into the arena, during charging, both positive and negative polarity and the charging rack of pantograph be just
Negative pole is contrary, can cause charging, and serious meeting damages charger.The present invention can guarantee that charging rack
Both positive and negative polarity can be adjusted according to electric motor car pantograph both positive and negative polarity, is always ensured that charging rack, pantograph both positive and negative polarity
Unanimously.Specific implementation is as follows.
As it is shown in figure 1, be the module map of DC electrodeless posture charging device.
A kind of DC electrodeless posture charging device, including: contact modules 10, Check up polarity module 20；
Described contact modules 10 include first catalyst the 101, second catalyst the 102, the 3rd catalyst 103 and
4th catalyst 104；Described Check up polarity module 20 includes polarity judging unit 201 and circuit controls unit
202。
Described first catalyst 101 is for connecting the first outfan of DC power anode and described charging device.
Described second catalyst 102 is defeated with the first of described charging device for connecting described DC power anode
Go out end.
Described 3rd catalyst 103 is defeated with the second of described charging device for connecting described DC power cathode
Go out end.
Described 4th catalyst 104 is defeated with the second of described charging device for connecting described DC power cathode
Go out end.
Described polarity judging unit 201 be connected to the first outfan of described charging device and the second outfan it
Between.
Input the termination outfan of described polarity judging unit 201, the output of described circuit controls unit 202
Terminate described contact modules 10.
Described polarity judging unit 201 is for judging and the first outfan of described charging device, the second output
The polarity of the vehicle input to be charged that end connects.
If described polarity judging unit 201 judge to be connected with the first outfan for described vehicle to be charged
The negative pole for described vehicle to be charged that positive pole and the second outfan connect；The most described polarity judging unit 201
Export the first switching signal to described circuit controls unit 202；Described circuit controls unit 202 is according to described
One switching signal controls described first catalyst 101 and described 3rd catalyst 103 closes, and makes described charging
First outfan of device be positive pole, the second outfan be negative pole.
If described polarity judging unit 201 judge to be connected with the first outfan for described vehicle to be charged
The positive pole for described vehicle to be charged that negative pole and the second outfan connect；The most described polarity judging unit 201
Export the second switching signal to described circuit controls unit 202；Described circuit controls unit 202 is according to described
Two switching signals control described second catalyst 102 and described 4th catalyst 104 closes, and make described charging
First outfan of device be negative pole, the second outfan be positive pole.
In the present embodiment, the first catalyst 101 is for connecting the first of DC power anode and charging device
Outfan, the 3rd catalyst 103 is for connecting the second outfan of DC power cathode and charging device.Cause
This, when the first catalyst the 101, the 3rd catalyst 103 closes, the first outfan of charging device be positive pole,
Second outfan end is negative pole.
In like manner, the second catalyst 102 is used for the first outfan connecting DC power anode with charging device,
4th catalyst 104 is for connecting the second outfan of DC power cathode and charging device.Therefore,
When two catalyst the 102, the 4th catalysts 104 close, the first outfan of charging device is positive pole, second defeated
Going out end is negative pole.
Polarity judging unit 201 is for judging and treating that charging device the first outfan, the second outfan are connected
The polarity of charging vehicle input.Owing to the present invention is the both positive and negative polarity in order to adapt to vehicle to be charged, fill waiting
After electric car is connected with charging device, the input polarity treating charging vehicle detects, and then makes charging fill
The first outfan of putting, the second outfan can export the voltage of corresponding polarity.
Complete after polarity judges, to will determine that result is with the first switching signal and the at polarity judging unit 201
The form of two switching signals is sent to circuit controls unit 202.
When circuit controls unit 202 receives the first switching signal, control the first catalyst the 101, the 3rd contact
Device 103 closes.
When circuit controls unit 202 receives the second switching signal, control the second catalyst the 102, the 4th contact
Device 104 closes.
Certainly, in other embodiments, first catalyst the 101, second catalyst the 102, the 3rd catalyst 103
And the annexation that the 4th between catalyst 104 and DC source both positive and negative polarity can change.As long as meeting
Two-by-two after Guan Bi, the first outfan of charging device, the second outfan can export generating positive and negative voltage.
Incorporated by reference to Fig. 2.
First catalyst 101 includes switching KM11 and electronic coil KM12；
Described switch KM11 is for connecting the first outfan of DC power anode and described charging device, institute
State electronic coil KM12 to be connected with described circuit controls unit 202.
Described second catalyst 102 includes switching KM21 and electronic coil KM22；
Described switch KM21 is for connecting the first outfan of DC power anode and described charging device, institute
State electronic coil KM22 to be connected with described circuit controls unit 202.
Described 3rd catalyst 103 includes switching KM31 and electronic coil KM32；
Described switch KM31 is for connecting the second outfan of DC power anode and described charging device, institute
State electronic coil KM32 to be connected with described circuit controls unit 202.
Described 4th catalyst 104 includes switching KM41 and electronic coil KM42；
Described switch KM41 is for connecting the second outfan of DC power anode and described charging device, institute
State electronic coil KM42 to be connected with described circuit controls unit 202.
Incorporated by reference to Fig. 3.
Described circuit controls unit 202 includes the first driving switch JY1, the second driving switch JY2, catalyst
KA1 and catalyst KA2.
Described catalyst KA1 includes normally closed switch KA11, electronic coil KA12 and normal open switch KA13.
Described catalyst KA2 includes normally closed switch KA21, electronic coil KA22 and normal open switch KA23.
Described first drives switch JY1, described normally closed switch KA11, electronic coil KA12 to be sequentially connected to
Between V+ end and the V-end of chip power.
Described second drives switch JY2, described normally closed switch KA21, electronic coil KA22 to be sequentially connected to
Between V+ end and the V-end of chip power.
Described normal open switch KA13 is simultaneously connected with described first catalyst 101 and described 3rd catalyst 103.
Described normal open switch KA23 is simultaneously connected with described second catalyst 102 and described 4th catalyst 104.
DC electrodeless posture charging device also includes that being connected to described DC power anode contacts with described first
The 5th catalyst 105 between device 101, described 5th catalyst 105 is used for controlling described DC source and institute
State the first catalyst 101, the conducting of described 4th catalyst 104 and disconnection.
5th catalyst 105 includes catalyst KM5.
DC electrodeless posture charging device also includes the first electric fuse FU1, and described first electric fuse FU1 is even
It is connected between described 5th catalyst 105 and described first catalyst 101.
DC electrodeless posture charging device also includes the second electric fuse FU2, and described second electric fuse FU2 is even
It is connected between described first catalyst 101 and the first outfan of described charging device.
Based on above-mentioned all embodiments, the operation principle of DC electrodeless posture charging device is as follows:
After vehicle to be charged enters charging device, it is connected with posture charging device.Now, Check up polarity list
Unit 201 judges the pole of the vehicle input to be charged being connected with charging device the first outfan, the second outfan
Property.
If described polarity judging unit 201 judge to be connected with the first outfan for described vehicle to be charged
The negative pole for described vehicle to be charged that positive pole and the second outfan connect；The most described polarity judging unit 201
Export the first switching signal to described circuit controls unit 202；The first driving in circuit controls unit 202 is opened
Closing JY1 Guan Bi, therefore, normally closed switch KA11, electronic coil KA12 obtain electric, now normal open switch KA13
Guan Bi, the electronic coil KM12 and the electronic coil KM32 that are connected with normal open switch KA13 obtain electric so that
Normal open switch KM11 and the normal open switch KM31 Guan Bi of its correspondence.I.e. first catalyst 101 and the 3rd connects
Tentaculum 103 closes, make the first outfan of described charging device be positive pole, the second outfan be negative pole.
If the negative pole for described vehicle to be charged that polarity judging unit 201 is judged to be connected with the first outfan,
The positive pole for described vehicle to be charged being connected with the second outfan；The most described polarity judging unit 201 exports
Second switching signal gives described circuit controls unit 202；The second driving switch in circuit controls unit 202
JY2 closes, and therefore, normally closed switch KA21, electronic coil KA22 obtain electric, now normal open switch KA23
Guan Bi, the electronic coil KM22 and the electronic coil KM42 that are connected with normal open switch KA23 obtain electric so that
Normal open switch KM21 and the normal open switch KM21 Guan Bi of its correspondence.I.e. second catalyst 102 and the 4th connects
Tentaculum 104 closes, make the first outfan of described charging device be negative pole, the second outfan be positive pole.
Thus can complete a polarity exchange.Normally closed switch KA11, the normally closed point of normally closed switch KA21 are
In order to ensure simultaneously only one group catalyst Guan Bi (be KM1, KM3 Guan Bi, otherwise be KM2,
KM4 closes), it is ensured that both positive and negative polarity will not short circuit
When polarity has exchanged (keeping consistent with vehicle pantograph to be charged), charging device and car to be charged
After successful connection, so that it may starting contactor KM5 output electric current charging, the first electric fuse FU1, second protect
Danger silk FU2 is fuse, the overload in charging process, short-circuit protection.
Above-mentioned DC electrodeless posture charging device auxiliary reclay (such as relay K A1), HVDC connect
Tentaculum (catalyst KM), Check up polarity module 20 realize the both positive and negative polarity conversion of two output loops, in utilization
Between relay normally-closed contact ensure high-voltage DC contactor will not maloperation, circuit devcie is few, simple in construction,
Reliability is high, and this circuit coordinates the remote signalling point of software to make the detection of auxiliary contact, can detect that the work of catalyst
Make state and catalyst quality state.
Above-mentioned DC electrodeless posture charging device judges the with charging device by polarity judging unit 201
The polarity of the vehicle input to be charged that one outfan, the second outfan connect.If judging and the first output
The negative pole for vehicle to be charged that the positive pole for vehicle to be charged of end connection and the second outfan connect；Then
Polarity judging unit 201 exports the first switching signal to loop control unit 202；Circuit controls unit 202
Control the first catalyst 101 according to the first switching signal and described 3rd catalyst 103 closes, make charging device
The first outfan be positive pole, the second outfan be negative pole.In like manner, if the judgement of polarity judging unit 201
Result is contrary to the above, then control the second catalyst 102 and the 4th catalyst 104 closes, make charging device
The first outfan be negative pole, the second outfan be positive pole.Thus, can during pantograph formula charging electric vehicle
With the polarity regardless of charging rack and pantograph, i.e. during electric motor car charging, car body direction is unrestricted, facilitates user
To Vehicular charging.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. a DC electrodeless posture charging device, it is characterised in that including: contact modules, polarity
Detection module；Described contact modules includes the first catalyst, the second catalyst, the 3rd catalyst and the 4th
Catalyst；Described Check up polarity module includes polarity judging unit and circuit controls unit；
Described first catalyst is for connecting the first outfan of DC power anode and described charging device；
Described second catalyst is for connecting the first output of described DC power anode and described charging device
End；
Described 3rd catalyst is for connecting the second output of described DC power cathode and described charging device
End；
Described 4th catalyst is for connecting the second output of described DC power cathode and described charging device
End；
Described polarity judging unit is connected between the first outfan of described charging device and the second outfan；
The input of described circuit controls unit terminates described in the outfan of described polarity judging unit, output termination
Contact modules；
Described polarity judging unit is for judging with the first outfan of described charging device, the second outfan even
The polarity of the vehicle input to be charged connect；
If described polarity judging unit judge to be connected with the first outfan for described vehicle to be charged just
The negative pole for described vehicle to be charged that pole is connected with the second outfan；The most described polarity judging unit exports
First switching signal gives described circuit controls unit；Described circuit controls unit is according to described first switching signal
Controlling described first catalyst and described 3rd catalyst Guan Bi, the first outfan making described charging device is
Positive pole, the second outfan are negative pole；
If described polarity judging unit judges the bearing for described vehicle to be charged being connected with the first outfan
The positive pole for described vehicle to be charged that pole is connected with the second outfan；The most described polarity judging unit exports
Second switching signal gives described circuit controls unit；Described circuit controls unit is according to described second switching signal
Controlling described second catalyst and described 4th catalyst Guan Bi, the first outfan making described charging device is
Negative pole, the second outfan are positive pole.
DC electrodeless posture charging device the most according to claim 1, it is characterised in that described
One catalyst includes switching KM11 and electronic coil KM12；
Described switch KM11 is for connecting the first outfan of DC power anode and described charging device, institute
State electronic coil KM12 to be connected with described circuit controls unit.
DC electrodeless posture charging device the most according to claim 1, it is characterised in that described
Two catalysts include switching KM21 and electronic coil KM22；
Described switch KM21 is for connecting the first outfan of DC power anode and described charging device, institute
State electronic coil KM22 to be connected with described circuit controls unit.
DC electrodeless posture charging device the most according to claim 1, it is characterised in that described
Three catalysts include switching KM31 and electronic coil KM32；
Described switch KM31 is for connecting the second outfan of DC power anode and described charging device, institute
State electronic coil KM32 to be connected with described circuit controls unit.
DC electrodeless posture charging device the most according to claim 1, it is characterised in that described
Four catalysts include switching KM41 and electronic coil KM42；
Described switch KM41 is for connecting the second outfan of DC power anode and described charging device, institute
State electronic coil KM42 to be connected with described circuit controls unit.
DC electrodeless posture charging device the most according to claim 1, it is characterised in that described time
Road control unit includes the first driving switch JY1, the second driving switch JY2, catalyst KA1 and catalyst
KA2；
Described catalyst KA1 includes normally closed switch KA11, electronic coil KA12 and normal open switch KA13；
Described catalyst KA2 includes normally closed switch KA21, electronic coil KA22 and normal open switch KA23；
Described first drives switch JY1, described normally closed switch KA11, electronic coil KA12 to be sequentially connected to
Between V+ end and the V-end of chip power；
Described second drives switch JY2, described normally closed switch KA21, electronic coil KA22 to be sequentially connected to
Between V+ end and the V-end of chip power；
Described normal open switch KA13 is simultaneously connected with described first catalyst and described 3rd catalyst；
Described normal open switch KA23 is simultaneously connected with described second catalyst and described 4th catalyst.
DC electrodeless posture charging device the most according to claim 1, it is characterised in that also include
It is connected to the 5th catalyst between described DC power anode and described first catalyst, described 5th contact
Device is for controlling described DC source and described first catalyst, the conducting of described 4th catalyst and disconnection.
DC electrodeless posture charging device the most according to claim 7, it is characterised in that described
Five catalysts include catalyst KM5.
DC electrodeless posture charging device the most according to claim 7, it is characterised in that also include
First electric fuse FU1, described first electric fuse FU1 are connected to described 5th catalyst and contact with described first
Between device.
DC electrodeless posture charging device the most according to claim 1, it is characterised in that also include
Second electric fuse FU2, described second electric fuse FU2 are connected to described first catalyst and described charging device
The first outfan between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317401.9A CN105914824A (en) | 2016-05-13 | 2016-05-13 | Direct current non-polarized frame type charging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317401.9A CN105914824A (en) | 2016-05-13 | 2016-05-13 | Direct current non-polarized frame type charging device |
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| CN201610317401.9A Pending CN105914824A (en) | 2016-05-13 | 2016-05-13 | Direct current non-polarized frame type charging device |
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Cited By (5)
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| CN107918427A (en) * | 2016-10-11 | 2018-04-17 | 西门子公司 | Coil with electronics controls the contactor of system |
| CN108749634A (en) * | 2018-07-10 | 2018-11-06 | 国充充电科技江苏股份有限公司 | It is a kind of to power off the charging bow system that automatically resets |
| WO2020020327A1 (en) * | 2018-07-26 | 2020-01-30 | 比亚迪股份有限公司 | Railway vehicle, and charging system and charging control device and method therefor |
| CN110758169A (en) * | 2018-07-26 | 2020-02-07 | 比亚迪股份有限公司 | Charging device, control method thereof and rail vehicle charging system |
| CN114336904A (en) * | 2022-03-16 | 2022-04-12 | 安翰科技(武汉)股份有限公司 | Charging circuit and charging device for in-vivo electronic equipment and capsule endoscope charging system |
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| CN200994070Y (en) * | 2006-12-20 | 2007-12-19 | 宋文丰 | Non-polarity charger |
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| CN103607016A (en) * | 2013-12-02 | 2014-02-26 | 上海广为美线电源电器有限公司 | Non-polarity automatic judgment charging circuit and charger |
| CN104993531A (en) * | 2015-06-29 | 2015-10-21 | 深圳市科陆电子科技股份有限公司 | Double-gun power distribution direct current charger protective device |
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