CN112491130A - Electric locking device of direct current charger - Google Patents
Electric locking device of direct current charger Download PDFInfo
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- CN112491130A CN112491130A CN202011313913.0A CN202011313913A CN112491130A CN 112491130 A CN112491130 A CN 112491130A CN 202011313913 A CN202011313913 A CN 202011313913A CN 112491130 A CN112491130 A CN 112491130A
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- power supply
- supply unit
- charger
- shell
- linkage
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0418—Covers or lids; Their fastenings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The invention discloses an electrical locking device of a direct-current charger, which comprises a power supply module, a first power supply unit, a second power supply unit, a third power supply unit and a fourth power supply unit, wherein the first power supply unit, the second power supply unit, the third power supply unit and the fourth power supply unit are mutually connected in parallel; the current conversion module is connected with the first power supply unit and the fourth power supply unit in series; the electric wire protection assembly comprises a driving part and a locking part, wherein the driving part and the locking part are arranged in a linkage mode. The electric locking device of the direct current charger is provided with the fourth power supply unit, when the bus tie switch is closed, the first power supply module breaks down, the electric quantity of the storage battery is exhausted or direct current detection is carried out, the fourth power supply unit is started, the condition of bus voltage loss can be effectively prevented, and in order to prevent the condition that the power supply unit does not work due to the fault of a wire and a cable, the electric locking device is provided with the wire protection assembly, so that the normal work of the wire can be effectively protected, and the wire can be prevented from being damaged.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an electrical locking device of a direct-current charger.
Background
The existing direct current charger does not need to judge that the position of a direct current bus tie switch can be disconnected before the existing direct current charger quits running, and when the nuclear capacity and charging module of the storage battery is subjected to regular inspection, the existing direct current charger directly quits the direct current charger if the bus tie switch is not closed, so that the risk of direct current bus voltage loss is caused; or when the charger normally operates, the two alternating current incoming lines of the charger are abnormally tripped due to idle opening, the switching device or the circuit wire is in fault, and when the charger loses alternating current, the storage battery supplies power to the direct current bus, but the power supply time of the storage battery is limited, and the situation is met.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the conventional electrical locking apparatus for a dc charger.
Therefore, the problem to be solved by the invention is how to solve the problem of voltage loss of the direct current bus caused by direct current detection or line equipment failure.
In order to solve the technical problems, the invention provides the following technical scheme: an electric locking device of a direct current charger comprises a power supply module, a first power supply unit, a second power supply unit, a third power supply unit and a fourth power supply unit, wherein the first power supply unit, the second power supply unit, the third power supply unit and the fourth power supply unit are mutually connected in parallel;
the current conversion module is connected with the first power supply unit and the fourth power supply unit in series;
the electric wire protection assembly comprises a driving part and a locking part, wherein the driving part is in linkage with the locking part.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: the first power supply unit comprises a first alternating current inlet wire and a second alternating current inlet wire, and the first alternating current inlet wire and the second alternating current inlet wire are connected with the switching device.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: the third power supply unit comprises a first relay and a second relay which are connected with the converter module in series.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: the power supply module is connected with the starting air switch, the starting air switch is connected with the starting indicator lamp, and the starting indicator lamp is connected with the zero line.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: the electric wire protection assembly further comprises a first wrapping shell and a second wrapping shell, wherein the first wrapping shell and the second wrapping shell are spliced together to form a protective sleeve wrapped on the surface of the electric wire.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: the lock catch part comprises a connecting piece arranged on the first wrapping shell and a connecting groove arranged on the second wrapping shell;
the driving part is arranged on the first wrapping shell and comprises a linkage piece matched with the connecting piece, the linkage piece is axially arranged on the first wrapping shell through a sliding groove, the driving structure drives the linkage piece, the linkage piece is connected with the connecting piece through a guide structure, and the driving structure is provided with an operation end arranged outside the first wrapping shell.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: the connecting piece has and is suitable for the entering the plug connector of spread groove, the connecting piece is in guide of guide structure takes place to rotate, makes the plug connector along first cladding shell with second cladding shell circumferential motion.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: the guide structure including set up in the guide way of plug connector one end, fixed set up in linkage piece on the linkage piece, the other end of linkage piece inserts in the guide way, the linkage piece is followed during first cladding shell axial motion, the guide way winds first cladding shell with second cladding shell axial rotation.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: the transmission structure comprises a gear arranged on one side of the linkage piece and a rack which is fixed on the linkage piece and is meshed with the gear.
As a preferred scheme of the electric locking device of the direct current charger of the present invention, wherein: a driving shaft is arranged in the gear, and the gear is externally connected with a motor through the driving shaft.
The invention has the beneficial effects that: the electric locking device of the direct current charger is provided with the fourth power supply unit, when the bus tie switch is closed, the first power supply module breaks down, the electric quantity of the storage battery is exhausted or direct current detection is carried out, the fourth power supply unit is started, the condition of bus voltage loss can be effectively prevented, and in order to prevent the condition that the power supply unit does not work due to the fault of a wire and a cable, the electric locking device is provided with the wire protection assembly, so that the normal work of the wire can be effectively protected, and the wire can be prevented from being damaged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a circuit configuration diagram of an electrical locking device of a dc charger.
Fig. 2 is a circuit configuration diagram of a fourth power supply unit of the electrical locking device of the dc charger.
Fig. 3 is a structural view of the wire protection assembly of the electrical latching device of the dc charger.
Fig. 4 is a block diagram of the connecting member and guide structure of the electrical latching device of the dc charger.
Fig. 5 is an internal structural view of the first cover case of the electrical locking apparatus for the dc charger.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 3, for a first embodiment of the present invention, the embodiment provides an electrical locking device for a dc charger, the electrical locking device for a dc charger includes a power supply module 100, a commutation module 200 and a wire protection assembly 300, wherein the power supply module 100 includes a first power supply unit 110, a second power supply unit 120, a third power supply unit 130 and a fourth power supply unit 140, and the first power supply unit 110, the second power supply unit 120, the third power supply unit 130 and the fourth power supply unit 140 are connected in parallel;
a commutation module 200 disposed in series with the first power supply unit 110 and the fourth power supply unit 140;
the electric wire protection assembly 300 comprises a driving member 310 and a locking member 320, wherein the driving member 310 and the locking member 320 are arranged in a linkage manner.
Based on the above, the power supply module 100 in this embodiment is provided with four units, which are the first power supply unit 110, the second power supply unit 120, the third power supply unit 130 and the fourth power supply unit 140, respectively, where the first power supply unit 110 and the third power supply unit 130 are ac power, the ac power is converted into dc power by the commutation module 200, the second power supply unit 120 and the fourth power supply unit 140 are dc power, the second power supply unit 120 performs opening or closing of a dc bus through a bus tie switch, the third power supply unit 130 is a storage battery, and the commutation module 200 is a charger, that is, the power supply mode of the apparatus is to supply power to any unit in the power supply module 100, and when the apparatus normally operates, the second power supply unit 120 is in an off state, and the first power supply unit 110 supplies power to a load; when the first power supply unit 110 or the commutation module 200 fails, the third power supply unit 130 supplies power to the load, on this basis, if the third power supply unit 130 runs out of electric quantity, the second power supply unit 120 is switched on in the existing method, but when any one section of the direct current bus fails, two sections of the bus face the risk of voltage loss, so that the fourth power supply unit 140 is arranged to continuously supply power to the load, and the normal operation of the circuit is guaranteed; when direct current regular inspection needs to be carried out, the third power supply unit 130 is separated from the system, if the second power supply unit 120 is not connected or is not really connected, the current conversion module 300 is disconnected, the direct current bus is subjected to voltage loss, and therefore the fourth power supply unit 140 is arranged, the fourth power supply unit 140 can be automatically put into use at the moment, the bus is electrified again, power is continuously supplied to the load, normal operation of the circuit is guaranteed, and the device is prevented from being damaged.
In order to make the operation of circuit can keep normal, prevent the unexpected damage of circuit electric wire, the event is equipped with wire protection subassembly 300, can effectively guarantee that the electric wire is not bitten by external environment's influence or animal under natural environment, make the electric wire can normally work, thereby the fault condition of this device takes place has been reduced, wherein wire protection subassembly 300 is equipped with driver part 310 and hasp part 320, can ensure that wire protection subassembly 300 can be very firm parcel in the surface of cable, wire and cable's life has been prolonged, and easy dismounting, the maintenance personal in the later stage of also being convenient for maintains.
Example 2
Referring to fig. 1 and 2, a second embodiment of the present invention, which is different from the first embodiment, is: the first power supply unit 110 comprises a first ac inlet line 111 and a second ac inlet line 112, the first ac inlet line 111 and the second ac inlet line 112 being connected to a switching device 113.
The first power supply unit 100 is provided with two lines, which are a first ac incoming line 111 and a second ac incoming line 112, and when the first ac incoming line 111 is not operated, the switching device 113 automatically switches the circuit to the second ac incoming line 112, and the first ac incoming line 111 and the second ac incoming line 112 are both ac power, so that the ac power needs to be converted into dc power through the commutation module 200, and the load is powered.
Further, the third power supply unit 130 includes a first relay 131 and a second relay 132 connected in series with the commutation module 200.
Preferably, the power supply module 100 is connected to the start switch 400, the start switch 400 is connected to the start indicator 500, and the start indicator 500 is connected to the neutral wire
The starting air switch 400 is a starting air switch and is used for starting or closing a device, an electric leakage protection component is arranged in the starting air switch, the starting air switch can be automatically disconnected when the current in a circuit exceeds the rated current, the control and multiple protection functions are integrated, the short circuit, serious overload, undervoltage and the like of the circuit or electrical equipment can be protected besides the completion of the contact and the disconnection of the circuit, the starting air switch can also be used for starting a motor infrequently, a starting indicator lamp 500 is connected with the starting air switch 400 in series, the starting and the shutdown states of the device can be judged through the on or off of the starting indicator lamp 500, and the starting indicator lamp 500 is connected with a zero line.
Example 3
Referring to fig. 3 to 5, a third embodiment of the present invention is different from the first two embodiments: the wire protection assembly 300 further comprises a first covering shell 330 and a second covering shell 340, and the first covering shell 330 and the second covering shell 340 are spliced together to form a protective sleeve covering the surface of the wire.
Based on the aforesaid, the protective sheath is used for the protection to expose the electric wire and cable outside, prevents that the electric wire from causing the damage because of the reason of environment to lead to equipping unusually, and then the situation of generating line decompression appears, and the protective sheath includes independent first cladding shell 330 and second cladding shell 340, can dismantle wantonly between the two or merge, and the operation is simple and easy, can effectively protect the cable, extension equipment life, and when the device breaks down, also dismantles more easily.
Further, the locking member 320 is used for combining the first casing 330 and the second casing 340, and includes a connecting member 321 disposed on the first casing 330 and a connecting groove 322 disposed on the second casing 340, wherein the connecting member 321 is movably disposed on the first casing 330, and one end of the connecting groove is adapted to enter the connecting groove 322, and the connecting groove 322 is fixedly disposed on the second casing 330.
The driving member 310 is disposed on the first casing 330, and is configured to control connection of the locking member 320, and includes a linkage 311 engaged with the connection member 321, the linkage 311 is axially disposed on the first casing 330 through a sliding slot, and drives the transmission structure 312 of the linkage 311, the linkage 311 is connected with the connection member 321 through the guide structure 350, the transmission structure 312 has an operation end disposed outside the first casing 330, and the operation end can be connected with a motor, so as to implement power output to the transmission structure 312.
The connecting piece 321 has the plug connector 321a that is suitable for getting into the connecting groove 322, and the plug connector 321a is the arc cutting that perpendicular to protective sheath axial setting, and the connecting groove 322 is the ring channel that sets up on first cladding shell 330 inner wall along circumference, and the connecting groove 322 is just to the tip of plug connector 321a, takes place to rotate when connecting piece 321 under guide of guide structure 350, makes plug connector 321a along protective sheath circumferential motion, and then enters into the connecting groove 322 in, connects first cladding shell 330 and second cladding shell 340.
Further, the guiding structure 350 includes a guiding groove 351 disposed at one end of the connector 321a, the guiding structure 350 is an arc-shaped groove connected to one end of the connector 321a far from the connecting groove 322, the guiding groove 351 is disposed on the guiding structure 350, the guiding structure 350 extends along a direction inclined to the axial direction of the protective case after being led out from the end of the connector 321a, and the guiding structure 350 has a radian;
the guide structure 350 further includes a link block 311a fixedly disposed on the link 311, the link block 311a is a protruding cylinder, the other end of the link block 311a is inserted into the guide groove 351, when the link block 311a moves axially along the first casing 330, the guide groove 351 rotates axially around the first casing 330 and the second casing 340, and when the connector 321a enters the connecting groove 322, the link block 311a is located at one end of the guide groove 351 close to the connector 321 a.
When the linkage 311 moves linearly along the sliding groove, the linkage block 311a moves along with the linkage 311 along the axial direction of the protection sleeve, because the guide groove 352 is obliquely arranged, the linkage block has a separation along the axial direction, and the plug-in connector 321a also rotates along the circumferential direction of the protection sleeve, therefore, under the limitation of the linkage 311 and the guide groove 351, the linear movement distance through triggering can be realized, so that the rotation angle of the connecting member 321 is changed, and the connecting member 321 can enter and exit from the connecting groove 322.
Specifically, the transmission structure 312 includes a gear 312a disposed on one side of the link 311, and a rack 312b engaged with the gear 312a and fixed to the link 311.
The gear 312a is engaged with the rack 312b, when the gear 312a rotates, the rack 312b performs linear motion through a tooth, the driving shaft 312a-1 is arranged in the gear 312a, and the driving shaft 312a-1 is externally connected with a motor through an operating end, so that the gear 312a automatically rotates, and therefore, the protective sleeve is automatically mounted and dismounted and is convenient for an operator to use and maintain.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. An electrical locking device for a DC charger, comprising: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the power supply module (100) comprises a first power supply unit (110), a second power supply unit (120), a third power supply unit (130) and a fourth power supply unit (140), wherein the first power supply unit (110), the second power supply unit (120), the third power supply unit (130) and the fourth power supply unit (140) are connected in parallel;
a commutation module (200) arranged in series with the first power supply unit (110) and the fourth power supply unit (140);
the electric wire protection assembly (300) comprises a driving part (310) and a locking part (320), wherein the driving part (310) and the locking part (320) are arranged in a linkage mode.
2. The electrical dc charger latching device of claim 1, wherein: the first power supply unit (110) comprises a first alternating current inlet wire (111) and a second alternating current inlet wire (112), and the first alternating current inlet wire (111) and the second alternating current inlet wire (112) are connected with a switching device (113).
3. The dc charger electrical latching apparatus of claim 2, wherein: the third power supply unit (130) comprises a first relay (131) and a second relay (132) in series with the commutation module (200).
4. The electrical dc charger latching device of claim 3, wherein: the power supply module (100) is connected with the starting air switch (400), the starting air switch (400) is connected with the starting indicator lamp (500), and the starting indicator lamp (500) is connected with a zero line.
5. An electrical locking device for a dc charger according to any of claims 1 to 4, wherein: the wire protection assembly (300) further comprises a first covering shell (330) and a second covering shell (340), wherein the first covering shell (330) and the second covering shell (340) are spliced together to form a protective sleeve covering the surface of the wire.
6. The electrical locking apparatus for a dc charger according to claim 5, wherein: the locking part (320) comprises a connecting piece (321) arranged on the first wrapping shell (330) and a connecting groove (322) arranged on the second wrapping shell (340);
the driving part (310) is arranged on the first wrapping shell (330) and comprises a linkage piece (311) matched with the connecting piece (321), the linkage piece (311) is axially arranged on the first wrapping shell (330) through a sliding groove, and a transmission structure (312) for driving the linkage piece (311), the linkage piece (311) is connected with the connecting piece (321) through a guide structure (350), and the transmission structure (312) is provided with an operation end arranged outside the first wrapping shell (330).
7. The dc charger electrical lockout device of claim 6 wherein: the connecting piece (321) is provided with a plug connector (321a) suitable for entering the connecting groove (322), the connecting piece (321) rotates under the guidance of the guide structure (350), and the plug connector (321a) moves along the circumferential direction of the first wrapping shell (330) and the second wrapping shell (340).
8. The dc charger electrical lockout device of claim 7 wherein: the guide structure (350) comprises a guide groove (351) arranged at one end of the plug connector (321a), and a linkage block (311a) fixedly arranged on the linkage piece (311), the other end of the linkage block (311a) is inserted into the guide groove (351), and when the linkage block (311a) moves axially along the first covering shell (330), the guide groove (351) is guided to axially rotate around the first covering shell (330) and the second covering shell (340).
9. The dc charger electrical lockout device of claim 8 wherein: the transmission structure (312) comprises a gear (312a) arranged on one side of the linkage piece (311) and a rack (312b) which is fixed on the linkage piece (311) and meshed with the gear (312 a).
10. The dc charger electrical lockout device of claim 9 wherein: a driving shaft (312a-1) is arranged in the gear (312a), and the gear (312a) is externally connected with a motor through the driving shaft (312 a-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313913.0A CN112491130B (en) | 2020-11-20 | 2020-11-20 | Electric locking device of direct current charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313913.0A CN112491130B (en) | 2020-11-20 | 2020-11-20 | Electric locking device of direct current charger |
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| Publication Number | Publication Date |
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| CN112491130A true CN112491130A (en) | 2021-03-12 |
| CN112491130B CN112491130B (en) | 2023-03-31 |
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| CN202011313913.0A Active CN112491130B (en) | 2020-11-20 | 2020-11-20 | Electric locking device of direct current charger |
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| CN207010232U (en) * | 2017-07-18 | 2018-02-13 | 智胜化工股份有限公司 | A kind of dual redundant power supply apparatus in parallel of dc source |
| CN108233513A (en) * | 2018-02-07 | 2018-06-29 | 深圳奥特迅电力设备股份有限公司 | Power-supply system and dc bus guard method with dc bus defencive function |
| CN211579476U (en) * | 2020-04-09 | 2020-09-25 | 天津大泛华石油科技有限公司 | Electric wire protector |
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| CN112491130B (en) | 2023-03-31 |
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