CN210212063U - Energy-saving super-power flexible charger - Google Patents
Energy-saving super-power flexible charger Download PDFInfo
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- CN210212063U CN210212063U CN201920696284.0U CN201920696284U CN210212063U CN 210212063 U CN210212063 U CN 210212063U CN 201920696284 U CN201920696284 U CN 201920696284U CN 210212063 U CN210212063 U CN 210212063U
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The utility model discloses an energy-saving super large power flexible machine that charges, be connected to the A line of electric wire netting, B line, C line and the circuit breaker of N line, power supply unit, DC contactor, be used for connecting the positive terminal that charges and the negative pole end that charges of rifle, install an alternating current meter on A1 line, B1 line and the C1 line respectively, install a direct current meter on the negative pole bus between negative pole end and the DC contactor of charging, it has a detection device still to bridge connection between positive pole bus and the negative pole bus, detection device further includes the power, with relay, voltage sampler and the control unit of power series connection, the control unit is connected with the control end of relay, the break-make of control relay. The utility model discloses a hierarchical adjustable of voltage during the power supply to the condenser that is applicable to different types of car and has avoided power module directly connects in parallel with car battery and leads to the too big and condition that produces the trouble of impulse current, has guaranteed the security and the stability of charging to the car.
Description
Technical Field
The utility model relates to an electric automobile charging device, in particular to energy-saving super large power flexible machine that charges belongs to the electric automobile field of charging.
Background
The automobile industry is the second largest industry in the world, which is second to petrochemical industry, at present, most automobiles use gasoline and diesel oil as fuels, not only a large amount of petroleum resources are consumed, but also nitrogen oxides, hydrocarbons, carbon monoxide and the like contained in automobile exhaust cause serious pollution to the atmosphere. In order to maintain the sustainable development of national economy, protect human living environment and guarantee energy supply, governments of various countries in the world invest a great deal of manpower and material resources to find various ways for solving the problems.
Because the battery of the electric automobile is a voltage source, the charger is another voltage for charging the battery, and two different voltage sources are not directly connected together, so that the phenomenon of short circuit or overcurrent caused by different voltages is avoided.
Disclosure of Invention
The utility model aims at providing an energy-saving super large power flexible machine that charges, this energy-saving super large power flexible machine that charges adopt a plurality of power module to connect in parallel to be power supply unit's mode, and the hierarchical adjustable of voltage when having realized the power supply to the condenser that is applicable to different types of car and has avoided power module leads to impulse current too big and the condition of producing the trouble with the car battery is direct parallelly connected, has guaranteed the security and the stability of charging to the car.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an energy-saving ultra-high-power flexible charger comprises a circuit breaker, a power supply device, a direct-current contactor, a charging positive end and a charging negative end, wherein one end of the circuit breaker is connected to an A line, a B line, a C line and an N line of a power grid, the charging positive end and the charging negative end are used for being connected with a charging gun, the other end of the circuit breaker is correspondingly connected with an A1 line, a B1 line, a C1 line and an N1 line, the alternating-current input end of the power supply device is connected to the A1 line, the B1 line and the C1 line, the positive output end and the charging positive end of the power supply device are connected through a positive bus, the negative output end and the charging negative end of the power supply device are connected through a negative bus, and;
the power supply device comprises a plurality of power supply modules which are connected in parallel, wherein the positive output end of each power supply module is connected with a positive bus, the negative output end of each power supply module is connected with a negative bus, the power supply module further comprises an alternating current input module, a direct current output module and an AC/DC conversion module positioned between the alternating current input module and the direct current output module, the direct current output module is connected with a capacitor in parallel, and a reverse diode is connected between the positive end of the direct current output module and the positive bus;
an alternating current meter is respectively arranged on the line A1, the line B1 and the line C1, and a direct current meter is arranged on a negative electrode bus between the charging negative electrode end and the direct current contactor;
the detection device is positioned between the power supply device and the direct current contactor and further comprises a power supply, a relay connected with the power supply in series, a voltage sampler and a control unit, the control unit is connected with the control end of the relay and used for controlling the on-off of the relay, the voltage sampler is used for collecting a voltage value between the positive bus and the negative bus, and the control unit controls the on-off of the relay according to the voltage value from the voltage sampler.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the alternating current meter is used for charging a power supply bureau.
2. In the scheme, the direct current meter is used for mainly metering the cost for the charging vehicle.
3. In the above scheme, a front-end sampling module is installed between the power supply device and the dc contactor, and the front-end sampling module is bridged between the positive bus and the negative bus.
4. In the scheme, a rear end sampling module is arranged between the direct current contactor and the charging gun, and the rear end sampling module is bridged between the positive bus and the negative bus.
Because of the application of the technical scheme, compared with the prior art, the utility model have following advantage and effect:
1. the utility model discloses an energy-saving ultra-high power flexible charger, which adopts a mode that a plurality of power modules are connected in parallel as a power supply device, realizes the grading adjustment of voltage during power supply so as to be suitable for charging different types of automobiles; in addition, a reverse diode is connected between the positive end of the direct current output module and the positive bus, and the reverse diode is arranged, so that the reverse charging or the impact current can be effectively prevented from being generated, and the circuit is protected; in addition, a front end sampling module is installed between a power supply device and the direct current contactor, the front end sampling module is bridged between the positive bus and the negative bus, a rear end sampling module is installed between the direct current contactor and the charging gun, the rear end sampling module is bridged between the positive bus and the negative bus, the front end sampling module and the rear end sampling module of the direct current contactor are arranged to sample current voltage in front of and behind the direct current contactor, when the direct current contactor is closed, the voltage in the front end is lower than the voltage in the rear end, damage to an automobile battery caused by hedging current is avoided, and charging stability and charging safety are guaranteed.
2. The utility model discloses energy-saving super large power flexible charger, A1 line, B1 line and C1 are online to install an alternating current meter respectively, install a direct current meter on the negative pole bus between charging negative pole end and the direct current contactor, through the combination setting of alternating current meter and direct current meter, be used for respectively charging for the power supply office and the user car owner who uses the charger, have guaranteed the precision and the accuracy that alternating current power supply end and direct current charge end charged respectively; in addition, a detection device is connected between the positive electrode bus and the negative electrode bus in a bridging manner, the detection device is positioned between the power supply device and the direct current contactor, the detection device further comprises a power supply, a relay connected with the power supply in series, a voltage sampler and a control unit, the control unit is connected with the control end of the relay and used for controlling the on-off of the relay, the voltage sampler is used for collecting the voltage value between the positive electrode bus and the negative electrode bus, the control unit controls the on-off of the relay according to the voltage value from the voltage sampler, the detection device is arranged, when the charger charges, the power supply device is charged reversely and detects the voltage of the power supply device, so that whether a reverse diode of a power module of the power supply device is damaged or not is judged, if the reverse diode is damaged, the charging is stopped for fault elimination, and the condition that the capacitor of the power supply module is directly connected with an automobile battery in parallel, the safety and the stability of charging the automobile are ensured.
Drawings
FIG. 1 is a schematic structural diagram of the energy-saving ultra-high power flexible charger of the utility model;
fig. 2 is the utility model discloses power supply unit schematic structure in energy-saving super large power flexible charger.
In the above drawings: 1. a circuit breaker; 2. a power supply device; 3. a DC contactor; 4. charging the positive terminal; 5. charging the negative terminal; 6. line A1; 7. line B1; 8. line C1; 9. a line N1; 10. a positive electrode bus; 11. a negative bus; 12. a power supply module; 101. an alternating current input module; 102. an AC/DC conversion module; 103. a DC output module; 104. a capacitor; 105. a reverse diode; 14. an alternating current meter; 15. a direct current meter; 16. a front-end sampling module; 17. a back-end sampling module; 21. a detection device; 22. a power source; 23. a relay; 24. a voltage sampler; 25. a control unit.
Detailed Description
The invention will be further described with reference to the following examples:
example 1: an energy-saving ultra-high-power flexible charger comprises a circuit breaker 1, a power supply device 2, a direct current contactor 3, a charging positive electrode end 4 and a charging negative electrode end 5, wherein one end of the circuit breaker 1 is connected to an A line, a B line, a C line and an N line of a power grid, the charging positive electrode end 4 and the charging negative electrode end 5 are used for being connected with a charging gun, the other end of the circuit breaker 1 is correspondingly connected with an A1 line 6, a B1 line 7, a C1 line 8 and an N1 line 9, an alternating current input end of the power supply device 2 is connected to the A1 line 6, the B1 line 7 and the C1 line 8, a positive electrode output end of the power supply device 2 is connected with the charging positive electrode end 4 through a positive electrode bus 10, a negative electrode output end of the power supply device 2 is connected with the charging negative electrode;
the power supply device 2 comprises a plurality of power supply modules 12 connected in parallel, wherein the positive electrode output end of each power supply module 12 is connected with a positive electrode bus 10, the negative electrode output end of each power supply module 12 is connected with a negative electrode bus 11, the power supply module 12 further comprises an alternating current input module 101, a direct current output module 103 and an AC/DC conversion module 102 positioned between the alternating current input module 101 and the direct current output module 103, the direct current output module 103 is connected with a capacitor 104 in parallel, and a backward diode 105 is connected between the positive electrode end of the direct current output module 103 and the positive electrode bus 10;
an alternating current meter 14 is respectively arranged on the A1 line 6, the B1 line 7 and the C1 line 8, and a direct current meter 15 is arranged on the negative bus 11 between the charging negative terminal 5 and the direct current contactor 3;
a detection device 21 is further connected between the positive bus and the negative bus in a bridging manner, the detection device 21 is located between the power supply device 2 and the direct current contactor 3, the detection device 21 further comprises a power supply 22, a relay 23 connected with the power supply 22 in series, a voltage sampler 24 and a control unit 25, the control unit 25 is connected with a control end of the relay 23 and used for controlling the on-off of the relay 23, the voltage sampler 24 is used for collecting a voltage value between the positive bus 10 and the negative bus 11, and the control unit 25 controls the on-off of the relay 23 according to the voltage value from the voltage sampler 24.
The ac meter 14 is used to charge the power supply bureau; the dc meter 15 is used to charge the charging vehicle.
Example 2: an energy-saving ultra-high-power flexible charger comprises a circuit breaker 1, a power supply device 2, a direct current contactor 3, a charging positive electrode end 4 and a charging negative electrode end 5, wherein one end of the circuit breaker 1 is connected to an A line, a B line, a C line and an N line of a power grid, the charging positive electrode end 4 and the charging negative electrode end 5 are used for being connected with a charging gun, the other end of the circuit breaker 1 is correspondingly connected with an A1 line 6, a B1 line 7, a C1 line 8 and an N1 line 9, an alternating current input end of the power supply device 2 is connected to the A1 line 6, the B1 line 7 and the C1 line 8, a positive electrode output end of the power supply device 2 is connected with the charging positive electrode end 4 through a positive electrode bus 10, a negative electrode output end of the power supply device 2 is connected with the charging negative electrode;
the power supply device 2 comprises a plurality of power supply modules 12 connected in parallel, wherein the positive electrode output end of each power supply module 12 is connected with a positive electrode bus 10, the negative electrode output end of each power supply module 12 is connected with a negative electrode bus 11, the power supply module 12 further comprises an alternating current input module 101, a direct current output module 103 and an AC/DC conversion module 102 positioned between the alternating current input module 101 and the direct current output module 103, the direct current output module 103 is connected with a capacitor 104 in parallel, and a backward diode 105 is connected between the positive electrode end of the direct current output module 103 and the positive electrode bus 10;
an alternating current meter 14 is respectively arranged on the A1 line 6, the B1 line 7 and the C1 line 8, and a direct current meter 15 is arranged on the negative bus 11 between the charging negative terminal 5 and the direct current contactor 3;
a detection device 21 is further connected between the positive bus and the negative bus in a bridging manner, the detection device 21 is located between the power supply device 2 and the direct current contactor 3, the detection device 21 further comprises a power supply 22, a relay 23 connected with the power supply 22 in series, a voltage sampler 24 and a control unit 25, the control unit 25 is connected with a control end of the relay 23 and used for controlling the on-off of the relay 23, the voltage sampler 24 is used for collecting a voltage value between the positive bus 10 and the negative bus 11, and the control unit 25 controls the on-off of the relay 23 according to the voltage value from the voltage sampler 24.
A front end sampling module 16 is arranged between the power supply device 2 and the direct current contactor 3, and the front end sampling module 16 is bridged between the positive electrode bus 10 and the negative electrode bus 11; a rear end sampling module 17 is installed between the direct current contactor 3 and the charging gun, and the rear end sampling module 17 is bridged between the positive bus 10 and the negative bus 11.
When the energy-saving type ultrahigh-power flexible charger is adopted, a mode that a plurality of power modules are connected in parallel to form a power supply device is adopted, so that the grading adjustment of voltage during power supply is realized, and the energy-saving type ultrahigh-power flexible charger is suitable for charging different types of automobiles; in addition, the reverse diode can effectively prevent the generation of reverse charging or impact current and protect the circuit; in addition, the front and rear end sampling modules of the direct current contactor are arranged to sample the front and rear current voltages of the direct current contactor, when the direct current contactor is closed, the voltage at the front end is lower than the voltage at the rear end, the damage of the opposite current to the automobile battery is avoided, and the charging stability and safety are ensured;
in addition, the combined arrangement of the alternating current meter and the direct current meter is respectively used for charging a power supply office and a user vehicle owner using a charger, so that the accuracy and the precision of respective charging of an alternating current power supply end and a direct current charging end are ensured; in addition, the detection device is arranged to reversely charge the power supply device and detect the voltage of the power supply device when the charger charges, so that whether a reverse diode of a power supply module of the power supply device is damaged or not is judged, if the reverse diode is damaged, the charging is stopped for troubleshooting, the condition that the capacitor of the power supply module is directly connected with the automobile battery in parallel to cause overlarge impact current to cause fault is avoided, and the safety and the stability of automobile charging are ensured.
The working flow of the detection device is as follows:
when the charger is charged, the detection device enters a detection program, firstly, the control unit controls the relay to be closed, the power supply of the detection device charges a bus of the charger power supply device, meanwhile, the voltage sampler detects output voltage, when the voltage reaches a set voltage, the control unit controls the relay to be disconnected, at the moment, the voltage sampler detects bus voltage of a charger power supply module, if the bus voltage is more than half of the set voltage, the fact that a capacitor is reversely charged indicates that the reverse diode is damaged, and the fact that a system power supply module fails is prompted, otherwise, the system is normal and normal charging can be carried out.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides an energy-saving super large power flexible machine that charges which characterized in that: the charging device comprises a circuit breaker (1) with one end connected to an A line, a B line, a C line and an N line of a power grid, a power supply device (2), a direct current contactor (3), a charging positive end (4) used for being connected with a charging gun and a charging negative end (5), wherein the other end of the circuit breaker (1) is correspondingly connected with an A1 line (6), a B1 line (7), a C1 line (8) and an N1 line (9), the alternating current input end of the power supply device (2) is connected to the A1 line (6), the B1 line (7) and the C1 line (8), the positive output end of the power supply device (2) is connected with the charging positive end (4) through a positive bus (10), the negative output end of the power supply device (2) is connected with the charging negative end (5) through a negative bus (11), and the positive bus (10) and the negative bus (11) are both provided with the direct current contactor (3);
the power supply device (2) comprises a plurality of power supply modules (12) which are connected in parallel, the positive output end of each power supply module (12) is connected with a positive bus (10), the negative output end of each power supply module (12) is connected with a negative bus (11), each power supply module (12) further comprises an alternating current input module (101), a direct current output module (103) and an AC/DC conversion module (102) positioned between the alternating current input module (101) and the direct current output module (103), a capacitor (104) is connected in parallel on the direct current output module (103), and a reverse diode (105) is connected between the positive end of the direct current output module (103) and the positive bus (10);
an alternating current meter (14) is respectively arranged on the A1 line (6), the B1 line (7) and the C1 line (8), and a direct current meter (15) is arranged on a negative bus (11) between the charging negative end (5) and the direct current contactor (3);
the direct current contactor is characterized in that a detection device (21) is connected between the positive electrode bus and the negative electrode bus in a bridging mode, the detection device (21) is located between the power supply device (2) and the direct current contactor (3), the detection device (21) further comprises a power supply (22), a relay (23) connected with the power supply (22) in series, a voltage sampler (24) and a control unit (25), the control unit (25) is connected with a control end of the relay (23) and used for controlling the on-off of the relay (23), the voltage sampler (24) is used for collecting a voltage value between the positive electrode bus (10) and the negative electrode bus (11), and the control unit (25) controls the on-off of the relay (23) according to the voltage value from the voltage sampler (24).
2. The energy-saving ultra-high power flexible charger according to claim 1, characterized in that: the AC meter (14) is used to bill the power supply bureau.
3. The energy-saving ultra-high power flexible charger according to claim 1, characterized in that: the direct current meter (15) is used for mainly metering the cost for the charging vehicle.
4. The energy-saving ultra-high power flexible charger according to claim 1, characterized in that: a front-end sampling module (16) is installed between the power supply device (2) and the direct current contactor (3), and the front-end sampling module (16) is bridged between the positive bus (10) and the negative bus (11).
5. The energy-saving ultra-high power flexible charger according to claim 1 or 4, characterized in that: a rear end sampling module (17) is installed between the direct current contactor (3) and the charging gun, and the rear end sampling module (17) is bridged between the positive bus (10) and the negative bus (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920696284.0U CN210212063U (en) | 2019-05-15 | 2019-05-15 | Energy-saving super-power flexible charger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920696284.0U CN210212063U (en) | 2019-05-15 | 2019-05-15 | Energy-saving super-power flexible charger |
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| CN210212063U true CN210212063U (en) | 2020-03-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481379A (en) * | 2019-05-15 | 2019-11-22 | 苏州工业园区和顺电气股份有限公司 | Stable type intelligent charging machine |
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2019
- 2019-05-15 CN CN201920696284.0U patent/CN210212063U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481379A (en) * | 2019-05-15 | 2019-11-22 | 苏州工业园区和顺电气股份有限公司 | Stable type intelligent charging machine |
| CN110481379B (en) * | 2019-05-15 | 2024-03-12 | 苏州工业园区和顺电气股份有限公司 | Stable intelligent charger |
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