CN113696772A - Automatic protection electric control system for charging socket device of torpedo hot metal mixer car - Google Patents

Automatic protection electric control system for charging socket device of torpedo hot metal mixer car Download PDF

Info

Publication number
CN113696772A
CN113696772A CN202111121537.XA CN202111121537A CN113696772A CN 113696772 A CN113696772 A CN 113696772A CN 202111121537 A CN202111121537 A CN 202111121537A CN 113696772 A CN113696772 A CN 113696772A
Authority
CN
China
Prior art keywords
power supply
control
female plug
socket
main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111121537.XA
Other languages
Chinese (zh)
Inventor
薛锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Magang Equipment Maintenance Co ltd
Original Assignee
Anhui Magang Equipment Maintenance Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Magang Equipment Maintenance Co ltd filed Critical Anhui Magang Equipment Maintenance Co ltd
Priority to CN202111121537.XA priority Critical patent/CN113696772A/en
Publication of CN113696772A publication Critical patent/CN113696772A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • 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
    • 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
    • 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
    • Y02T90/12—Electric charging stations
    • 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses an automatic protection electric control system for a charging socket device of a torpedo hot metal mixer car, which comprises a ground device, an airborne device and a socket device, wherein the ground device is connected with the airborne device; the socket device comprises a ground device side power supply female plug and an airborne device side power receiving male socket; the ground device comprises an alternating current input unit, a control unit and an alternating current output unit which are connected through a line, and the alternating current output unit and the control unit are respectively connected with a power supply female plug at the ground device side through a first main cable and a second control cable; the airborne device comprises a powered device and an infrared induction device, wherein the powered device and the infrared induction device are respectively connected with a side powered male socket of the airborne device through a second main cable and a third control cable. The electric control system is simple and reasonable in design, a manual power feeding and cutting link is omitted after application, the operation time of operators is shortened, the charging time of the vehicle-mounted battery pack of the mixed iron car is prolonged, the absolute safety of the operators is guaranteed, and the potential safety hazard of hot-line plugging operation is avoided.

Description

Automatic protection electric control system for charging socket device of torpedo hot metal mixer car
Technical Field
The invention belongs to the technical field of electrical equipment, and relates to an automatic protection electric control system for a charging socket device of a torpedo car, which is suitable for safe and reliable connection of power supplies of the charging device on the torpedo car and other occasions and safe and reliable connection of various plug devices.
Background
The torpedo hot metal mixer car plays an important role as indispensable molten iron transportation and storage equipment in modern metallurgical industry, and in order to ensure the normal operation of the torpedo hot metal mixer car, after the torpedo hot metal mixer car runs for a period of time, an onboard battery pack on the torpedo hot metal mixer car needs to be charged when the torpedo hot metal mixer car arrives at a specified place. During charging, generally, an operator inserts a ground power supply plug onto an onboard charging socket device and closes a working power switch, and at the moment, an alternating current 380v power supply is connected into an onboard charger to charge a battery pack; when the torpedo car needs to leave or the charging is finished, an operator should disconnect the working power switch and then unplug the ground charging plug. Because the distance between the power box and the movable torpedo car is long, the time of plugging and unplugging processes is increased when the operator stops power supply back and forth, and the charging time of the torpedo car is shortened; meanwhile, the situation that an operator hot plugs the charging socket device can occur, and great potential safety hazards exist.
Disclosure of Invention
Aiming at the defects of inconvenience in charging of a mixed iron car and potential safety hazard in the background technology, the invention provides an automatic protection electric control system for a mixed iron car charging socket device, which replaces a manual power-on and power-off mode, utilizes an infrared sensing technology, and is added with a delayed power-on protection circuit, so that when an operator holds a charging plug connected with a cable, the plug is not electrified; when the plug is inserted into the charging socket device of the torpedo hot metal mixer car, the device is automatically powered on to connect the powered device after the operator leaves the set time; when the plug needs to be pulled out, and the operator sets the distance from the charging socket device, the ground power supply device is powered off immediately, the socket device is powered off, the plug can be pulled out safely, the safety of electroless operation when the operator plugs the plug is ensured, the time of the whole flow of the plug is shortened, and the charging time of the battery pack of the iron mixing vehicle is increased.
The technical scheme for solving the technical problem is as follows:
the invention relates to an automatic protection electric control system for a charging socket device of a torpedo hot metal mixer car, which comprises a ground device, an airborne device and a socket device, wherein the ground device is connected with the airborne device; the socket device comprises a ground device side power supply female plug and an airborne device side power receiving male socket which are respectively arranged on the ground device and the airborne device and are mutually matched, the ground device side power supply female plug comprises a main loop power supply female plug and a control loop power supply female plug, and the airborne device side power receiving male socket comprises a main loop power receiving male socket and a control loop power receiving male socket which respectively correspond to the main loop power supply female plug and the control loop power supply female plug; the ground device comprises an alternating current input unit, a control unit and an alternating current output unit, wherein the alternating current input unit is respectively connected with the control unit and the alternating current output unit through a first control cable and a third main cable; the airborne device comprises a powered device and an infrared induction device, the powered device is connected with the main loop powered public socket through a second main cable, and the infrared induction device is connected with the control loop powered public socket through a third control cable.
As a further improvement of the technical scheme, the control unit comprises a switching power supply, a first relay and a time delay relay; the alternating current output unit comprises an alternating current contactor, and main contacts of the alternating current contactor are respectively connected between the third main cable and the first main cable; the first control cable is connected between the third main cable and the input end of the switching power supply, so that the switching power supply obtains an alternating-current working power supply from the alternating-current input unit and outputs a direct-current driving power supply; the infrared induction device comprises a positive and negative terminal for connecting a power supply and a break contact for infrared induction; the control loop power supply female plug comprises at least three control loop power supply female plug units, and the control loop power receiving male socket comprises at least three control loop power receiving male socket units which correspond to the control loop power supply female plug units one by one; the positive pole of the output end of the switching power supply is connected with a control loop power supply female plug unit through a second control cable, and a control loop power receiving male socket unit corresponding to the control loop power supply female plug unit is respectively connected with a positive pole wiring terminal of the infrared induction device and one end of the break contact through a third control cable; the negative electrode of the output end of the switching power supply is respectively connected with the two control loop power supply female plug units through second control cables, the control loop power receiving male socket units corresponding to the two control loop power supply female plug units are respectively connected with the negative electrode wiring terminal of the infrared induction device and the other end of the break contact through third control cables, and the third control cable connected with the break contact is also connected with a coil of a first relay; and a second control loop and a third control loop are connected between the positive pole and the negative pole of the output end of the switching power supply, the second control loop is connected with a make-and-break contact of the first relay and a coil of the time delay relay, and the third control loop is connected in parallel at two ends of the time delay relay and is connected with the make-and-break contact of the time delay relay and the coil of the alternating current contactor.
As a further improvement of the technical solution, the ac input unit includes an ac power supply and a main circuit automatic switch, and the ac power supply is connected to the third main cable through the main circuit automatic switch.
As a further improvement of the technical scheme, a control loop automatic switch is arranged on the first control cable.
As a further improvement of the technical scheme, the main circuit power supply female plug comprises a plurality of main circuit power supply female plug units, and the main circuit power receiving male socket comprises a plurality of main circuit power receiving male socket units which are in one-to-one correspondence with the main circuit power supply female plug units.
As a further improvement of the technical scheme, the alternating current power supply is an alternating current 380V three-phase four-wire system power supply, the first main cable, the second main cable and the third main cable are all three-phase four-wire system cables, and the input end of the switching power supply is respectively connected between a certain phase line and a neutral line of the third main cable through a first control cable.
As a further improvement of the technical solution, the main circuit power supply female plug and the control circuit power supply female plug are integrated in an integrated plug module, the main circuit powered male socket and the control circuit powered male socket are integrated in an integrated socket module, and the plug module is adapted to the socket module.
As a further improvement of the technical scheme, the powered device is a charger, and the charger is connected with a battery pack through a single-phase cable.
Compared with the traditional power-taking operation mode of a pluggable charging socket device, the automatic protection electric control system for the charging socket device of the mixed iron car has the advantages that the design is simple and reasonable, the main loop and the control loop are integrally designed, and the manual power transmission and outage link after the power supply female plug is connected and plugged into the airborne charging socket device is omitted through the automatic power-off and delayed power-on protection electric control system, so that the operation time of operators is shortened, the charging time of the vehicular battery pack of the mixed iron car is prolonged, the absolute safety of the operators is ensured, and the potential safety hazard of hot-line pluggable operation is avoided; in addition, the invention is not only suitable for plugging and unplugging the charging equipment, but also suitable for various plugging and unplugging occasions, and has the advantages of easy implementation, good effect, good safety and strong practicability.
Drawings
Fig. 1 is a schematic diagram illustrating the overall electrical control principle of an automatic protection electrical control system for a charging socket device of a torpedo hot metal mixer car according to the present invention;
FIG. 2 is a schematic diagram of an automatic protection electric control system for a charging socket device of a torpedo hot metal mixer car according to the present invention;
in the figure: a. the system comprises a ground device, a B, an airborne device, a 1, an alternating current input unit, a 2, a socket device, a 3, a powered device, a 4, a control unit, a 5, a battery pack, a 6, a switching power supply, a 7, an alternating current output unit, a 8, an alternating current power supply, a GY, an infrared induction device, a KA, a first relay, a KT, a time delay relay, a QF, a main loop automatic switch, a KM, an alternating current contactor, a QF1, a control loop automatic switch, a first control loop, a B, a second control loop, a C and a third control loop.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "upper", "lower", "left", "right", "front", "rear", and the like used in the specification and claims of the present disclosure are used only to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships are changed accordingly; the terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The present invention is not described in detail, but is known to those skilled in the art.
As shown in fig. 1 and 2, the automatic protection electric control system for the charging socket device of the torpedo hot metal mixer car comprises a ground device a, an airborne device b and a socket device 2; the socket device 2 comprises a ground device side power supply female plug 21 and an airborne device side power receiving male socket 22 which are respectively arranged on a ground device a and an airborne device b and are mutually matched, and the ground device side power supply female plug 21 and the airborne device side power receiving male socket 22 are plugged to realize the transmission of an alternating current power supply on the ground device a to power receiving equipment on the airborne device b.
In this embodiment, the ground device-side power supply female plug 21 includes a main circuit power supply female plug 211 and a control circuit power supply female plug 212, and the onboard device-side power receiving male socket 22 includes a main circuit power receiving male socket 221 and a control circuit power receiving male socket 222 corresponding to the main circuit power supply female plug 211 and the control circuit power supply female plug 212, respectively; when the main circuit power supply female plug 211 is plugged with the main circuit power receiving male socket 221, the main circuit power supply female plug is used for switching on a power supply main circuit, so that an alternating current power supply device on the ground device a can conveniently transmit power to a power receiving device on the airborne device b, and when the control circuit power supply female plug 212 is plugged with the control circuit power receiving male socket 222, the main circuit power supply female plug is used for switching on a control circuit, so that the on-off of a power supply main circuit can be conveniently controlled, and the safety of each device and an operator on the airborne device side can be ensured.
In this embodiment, the ground device a comprises an ac input unit 1, a control unit 4 and an ac output unit 7, the alternating current input unit 1 and the control unit 4 are connected through a first control cable g, the alternating current input unit 1 and the alternating current output unit 7 are connected through a third main cable i, the ac output unit 7 is connected to the main circuit power supply female plug 211 via a first main cable c, meanwhile, the alternating current output unit 7 is connected with the control unit 4 through a line, the control unit 4 is connected with the control loop power supply female plug 212 through a second control cable e, the alternating current input unit 1 is used for providing an alternating current working power supply for various devices, when the alternating current of the alternating current input unit 1 is transmitted to the first main cable c through the third main cable i, the on-off of the alternating current output unit 7 is controlled through the control unit 4, and then the on-off of the alternating current is controlled; airborne device b includes powered device 3 and infrared induction system GY, and this powered device 3 receives electric public socket 221 through second main cable d and major loop and links to each other, and this infrared induction system GY receives electric public socket 222 through third control cable f and control loop and links to each other, infrared induction system GY set up in the top of airborne device side electricity public socket 22, utilize its infrared induction to operating personnel, realize control loop's interruption or time delay switch-on through the control unit 4, and then realize the break-make of current output unit 7 on the power supply major loop to safety when guaranteeing the operating personnel operation, this infrared induction system GY can carry out lectotype and adjustment induction distance according to actual need. In this embodiment, the powered device 3 may be various electrical devices that operate by using an ac power source, such as a charger and a motor device, in this example, the powered device 3 is used as the charger for description, and the charger is connected to the battery pack 5 through a single-phase cable h, so that the battery pack 5 on the onboard device b is charged through the electronic control system.
When the control unit 4 is applied, the control unit 4 obtains an alternating-current working power supply from the alternating-current input unit 1 and controls the interruption or delayed connection of alternating current of the alternating-current output unit 7, when the ground device side power supply female plug 21 and the airborne device side power receiving male socket 22 are plugged, namely, after the main circuit power supply female plug 211 and the control circuit power supply female plug 212 are respectively plugged with the corresponding main circuit power receiving male socket 221 and the control circuit power receiving male socket 222, the alternating-current output unit 7 is connected with the power receiving equipment 3 to realize the connection of a power supply main circuit, and meanwhile, the control unit 4 is connected with the infrared induction device GY to realize the connection of the control circuit, and the control of the power supply main circuit can be realized through the infrared induction device GY; when the ground device side power supply female plug 21 and the airborne device side power receiving male socket 22 are plugged, the control loop is switched on, the infrared sensing device GY senses an operator, the control unit 4 immediately controls the alternating current output unit 7 to be switched off, further, the alternating current output unit 1 is interrupted, alternating current transmission to the power receiving equipment 3 is interrupted, when the operator leaves the socket device 2 and exceeds the set sensing distance of the infrared sensing device GY, the control unit 4 controls the alternating current output unit 7 to be switched on in a delayed mode, the power receiving equipment 3 obtains power supply, charging of the battery pack 5 is achieved, when the battery pack 5 finishes charging or the ground device side power supply female plug 21 needs to be pulled off due to other reasons, when the operator enters the set sensing distance of the infrared sensing device GY, the control unit 4 interrupts alternating current output to the power receiving equipment 3 by controlling the alternating current output unit 7, and at the moment, the power supply main loop is in an alternating current-free state, the power supply female plug 21 on the ground device side can be safely pulled out. In this embodiment, the main circuit power supply female plug 211 and the control circuit power supply female plug 212 may be divided into two plugs, or may be integrated into a single plug module, and similarly, the main circuit power receiving male socket 221 and the control circuit power receiving male socket 222 may be two sockets, or may be integrated into a single socket module.
To more clearly describe the technical solution of the automatic protection electric control system for a charging socket device of a torpedo car according to the present invention, a specific example is illustrated in fig. 2. The alternating current input unit 1 comprises an alternating current power supply 8 which is an AC380V power supply; the powered device 3 is a charger which charges the battery pack 5 by obtaining AC380V AC working power and outputting DC48V DC power from the AC input unit 1; the infrared sensing device GY selects an infrared sensor with the model of XKC-KD20, and comprises a positive terminal and a negative terminal for connecting a direct-current power supply and a dynamic break contact for infrared sensing; the control unit 4 comprises a switch power supply 6, a first relay KA and a delay relay KT, the working power supply of the switch power supply 6 is an AC220V alternating current power supply, a DC24V direct current power supply is output to be used by each device in the control unit 4, an infrared induction device GY and the like, the delay relay KT is a time relay, the delay time is adjusted as required, and the delay time in the embodiment is 5-10 s.
In this embodiment, the ac output unit 7 includes an ac contactor KM, and main contacts of the ac contactor KM are respectively connected between the third main cable i and the first main cable c, so as to control on/off of ac power between the ac power supply 8 of the ac input unit 1 and the powered device 3 through on/off of the main contacts of the ac contactor KM; the first control cable g is connected between the third main cable i and the input end of the switching power supply 6, so that the switching power supply 6 obtains AC220V AC working power from the AC power supply 8 of the AC input unit 1 and outputs DC24V DC driving power; in order to facilitate control of the ac power supply 8 and the switching power supply 6, the ac input unit 1 further includes a main circuit automatic switch QF, the ac power supply 8 is connected to the third main cable i through the main circuit automatic switch QF, and the control unit 4 further includes a control circuit automatic switch QF1, the control circuit automatic switch QF1 being provided on the first control cable g. During specific setting, the alternating current power supply 8 is a 380V three-phase four-wire system power supply, the first main cable c, the second main cable d and the third main cable i are three-phase four-wire system cables, contacts of the main loop automatic switch QF are connected to three phase wires of the alternating current power supply 8, a main contact of the alternating current contactor KM is connected between the third main cable i and the first main cable c, namely, the alternating current power supply 8 transmits an AC380V alternating current power supply to the powered device 3 through the socket device 2 through the three phase wires L1, L2, L3 and a neutral wire N, and in addition, two alternating current input ends of the switching power supply 6 are respectively connected between a certain phase wire and a neutral wire of the third main cable i through the first control cable g.
In this embodiment, the main circuit power supply female plug 211 includes a plurality of main circuit power supply female plug units 211_ a, the number of the main circuit power supply female plug units 211_ a is at least equal to the number of wires included in the first main cable c, the main circuit power receiving male socket 221 includes a plurality of main circuit power receiving male socket units 221_ b corresponding to the main circuit power supply female plug units 211_ a one to one, and the number of the main circuit power receiving male socket units 221_ b is at least equal to the number of wires included in the second main cable d. The control circuit power supply female plug 212 includes at least three control circuit power supply female plug units 212_ a, and the control circuit power receiving male socket 222 includes at least three control circuit power receiving male socket units 222_ b corresponding to the control circuit power supply female plug units 212_ a one to one.
In this embodiment, the positive electrode of the output end of the switching power supply 6 is connected to a control circuit power supply female plug unit 212_ a through a second control cable e, and a control circuit power receiving male socket unit 222_ b corresponding to the control circuit power supply female plug unit 212_ a is respectively connected to a positive electrode terminal of the GY of the infrared sensing device and one end of the break contact through a third control cable f; the negative electrode of the output end of the switching power supply 6 is respectively connected with the other two control loop power supply female plug units 212_ a through a second control cable e, the control loop power receiving male socket units 222_ b corresponding to the two control loop power supply female plug units 212_ a are respectively connected with the negative electrode connecting terminal of the GY of the infrared induction device and the other end of the break contact through a third control cable f, and the third control cable f connected with the break contact is also connected with a coil of a first relay KA; and a second control loop B and a third control loop C are further connected between the positive pole and the negative pole of the output end of the switching power supply 6, the second control loop B is connected with a make-and-break contact of the first relay KA and a coil of the time delay relay KT, the third control loop C is connected to two ends of the time delay relay KT in parallel, and the make-and-break contact of the time delay relay KT and the coil of the alternating current contactor KM are connected to the third control loop C.
The receptacle unit 2 in this embodiment is a customized piece, similar to the coupling device of the heavy-duty connector, and can be replaced by the heavy-duty connector, for example, a 10-core customized piece can be used in this embodiment, in which the main-circuit power-supplying female plug 211 and the control-circuit power-supplying female plug 212 are integrated into one ground-unit-side power-supplying female plug 21, and 7 cores of the customized piece are used in common, and are respectively used for connecting the first main cable c and the second control cable e, and the main-circuit power-receiving male receptacle 221 and the control-circuit power-receiving male receptacle 222 are integrated into the onboard-unit-side power-receiving male receptacle 22, and 7 cores of the customized piece are used in common, and are respectively used for connecting the second main cable d and the third control cable f.
When the power supply control device is applied, when a battery pack on a torpedo car needs to be charged, a main loop automatic switch QF is closed, the main loop automatic switch QF is in a long standby state (no operation is needed subsequently), an operator only needs to connect a power supply female plug 21 at the ground device side in the socket device 2 with a power receiving male socket 22 at the airborne device side on site, a control loop automatic switch QF1 in the control unit 4 is closed, the control loop automatic switch QF1 is in a long standby state (no operation is needed subsequently), an AC220V control power supply of an AC power supply 8 in the AC input unit 1 is connected with the switching power supply 6, the switching power supply 6 outputs a DC24V direct current power supply, and GY control power supplies are provided for devices, control loops and an infrared induction device of the ground control unit 4; a circuit connected with an infrared induction device GY dynamic break contact and a first relay KA is called a first control loop A, after the infrared induction device GY obtains power supply, as the infrared induction device GY senses that an operator works (the induction distance is 5-200 cm and can be automatically adjusted), the infrared induction device GY dynamic break contact in the first control loop A is opened, a coil of the first relay KA is not electrified, so that a second control loop B and a third control loop C are not electrified, an alternating current contactor KM dynamic close contact does not act, and a main loop power supply female plug 211 and a main loop are powered by a public socket 221 without passing AC380V alternating current; when an operator leaves an induction distance exceeding the GY of the infrared induction device, the GY movable contact and the broken contact of the infrared induction device in the first control loop A are closed, the coil of the first relay KA is electrified and attracted, the movable contact and the broken contact of the first relay KA in the second control loop B are switched on, the coil of the time delay relay KT is electrified and attracted, the movable contact and the broken contact of the time delay relay KT in the third control loop C are switched on after a set time delay (such as 5-10s, the time can be automatically adjusted by a user), the KM coil of the alternating current contactor is electrified and attracted, the KM movable main contact and the socket device 2 are powered on, the power receiving device 3 is powered on, and the power receiving device 3 charges the battery pack 5. When the iron mixing vehicle leaves or is charged, and an operator approaches the socket device 2, when the infrared sensing device GY on the onboard device senses that the hand or body of the operator approaches a set distance (such as 5cm), the GY movable contact of the infrared sensing device GY in the first control loop A is opened, the KA coil is powered off, the KA movable contact of the first relay KA in the second control loop B is opened, the second control loop B, C is powered off immediately, the KM coil of the AC contactor in the third control loop C is powered off and released, the KM movable main contact of the AC contactor in the power supply main loop is opened, the socket device 2 is powered off immediately, at the moment, the operator can unplug the plug in the non-electrical operation, and after the socket device 2 is unplugged, the control unit is powered off accordingly.

Claims (8)

1. The utility model provides an automatic protection electrical system for torpedo hot metal mixer car socket device that charges which characterized in that: the device comprises a ground device (a), an airborne device (b) and a socket device (2); the socket device (2) comprises a ground device side power supply female plug (21) and an airborne device side power receiving male socket (22) which are respectively arranged on a ground device (a) and an airborne device (b) and are matched with each other, the ground device side power supply female plug (21) comprises a main loop power supply female plug (211) and a control loop power supply female plug (212), and the airborne device side power receiving male socket (22) comprises a main loop power receiving male socket (221) and a control loop power receiving male socket (222) which respectively correspond to the main loop power supply female plug (211) and the control loop power supply female plug (212); the ground device (a) comprises an alternating current input unit (1), a control unit (4) and an alternating current output unit (7), wherein the alternating current input unit (1) is respectively connected with the control unit (4) and the alternating current output unit (7) through a first control cable (g) and a third main cable (i), the alternating current output unit (7) is connected with a main loop power supply female plug (211) through a first main cable (c), meanwhile, the alternating current output unit (7) is connected with the control unit (4) through a line, and the control unit (4) is connected with a control loop power supply female plug (212) through a second control cable (e); airborne device (b) includes powered device (3) and infrared induction system (GY), and this powered device (3) links to each other with main return circuit power receiving public socket (221) through second main cable (d), and this infrared induction system (GY) links to each other with control circuit power receiving public socket (222) through third control cable (f).
2. The automatic protection electric control system for the charging socket device of the torpedo hot metal mixer car as claimed in claim 1, wherein: the control unit (4) comprises a switching power supply (6), a first relay (KA) and a time delay relay (KT); the alternating current output unit (7) comprises alternating current contactors (KM), and main contacts of the alternating current contactors (KM) are respectively connected between the third main cable (i) and the first main cable (c); the first control cable (g) is connected between the third main cable (i) and the input end of the switching power supply (6) so that the switching power supply (6) obtains an alternating-current working power supply from the alternating-current input unit (1) and outputs a direct-current driving power supply; the infrared induction device (GY) comprises a positive terminal and a negative terminal which are used for connecting a power supply and a movable break contact for infrared induction; the control loop power supply female plug (212) comprises at least three control loop power supply female plug units (212_ a), and the control loop power receiving male socket (222) comprises at least three control loop power receiving male socket units (222_ b) which are in one-to-one correspondence with the control loop power supply female plug units (212_ a); the positive pole of the output end of the switching power supply (6) is connected with a control loop power supply female plug unit (212_ a) through a second control cable (e), and a control loop power receiving male socket unit (222_ b) corresponding to the control loop power supply female plug unit (212_ a) is respectively connected with a positive pole wiring terminal of the infrared induction device (GY) and one end of a movable contact through a third control cable (f); the negative pole of the output end of the switching power supply (6) is respectively connected with two control loop power supply female plug units (212_ a) through second control cables (e), a control loop power receiving male socket unit (222_ b) corresponding to the two control loop power supply female plug units (212_ a) is respectively connected with the negative pole wiring terminal of the infrared induction device (GY) and the other end of the break contact through third control cables (f), and the third control cable (f) connected with the break contact is also connected with a coil of a first relay (KA); still be connected with second, three control return circuit (B, C) between the positive negative pole of switching power supply (6) output, be connected with the make contact of first relay (KA) and delay relay (KT)'s coil on this second control return circuit (B), this third control return circuit (C) connects in parallel at the both ends of delay relay (KT), is connected with the make contact of delay relay (KT) and ac contactor (KM)'s coil on it.
3. The automatic protection electric control system for the charging socket device of the torpedo hot metal mixer car as claimed in claim 1 or 2, wherein: the alternating current input unit (1) comprises an alternating current power supply (8) and a main circuit automatic switch (QF), and the alternating current power supply (8) is connected with a third main cable (i) through the main circuit automatic switch (QF).
4. The automatic protection electric control system for the charging socket device of the torpedo hot metal mixer car as claimed in claim 3, wherein: the first control cable (g) is provided with a control loop automatic switch (QF 1).
5. The automatic protection electric control system for the charging socket device of the torpedo hot metal mixer car as claimed in claim 4, wherein: the main loop power supply female plug (211) comprises a plurality of main loop power supply female plug units (211_ a), and the main loop power receiving male socket (221) comprises a plurality of main loop power receiving male socket units (221_ b) in one-to-one correspondence with the main loop power supply female plug units (211_ a).
6. The automatic protection electric control system for the charging socket device of the torpedo hot metal mixer car as claimed in claim 5, wherein: alternating current power supply (8) are exchanging 380V three-phase four-wire system power, first main cable (c), second main cable (d) and third main cable (i) are three-phase four-wire system cable, switching power supply's (6) input is connected respectively between certain phase line and the neutral conductor of third main cable (i) through first control cable (g).
7. An automatic protection electric control system for a torpedo car charging socket device according to any one of claims 4 to 6, characterized in that: the main loop power supply female plug (211) and the control loop power supply female plug (212) are integrated in a whole plug module, the main loop power receiving male socket (221) and the control loop power receiving male socket (222) are integrated in a whole socket module, and the plug module is matched with the socket module.
8. The automatic protection electric control system for the charging socket device of the torpedo hot metal mixer car as claimed in claim 1, wherein: the powered device (3) is a charger which is connected with a battery pack (5) through a single-phase cable (h).
CN202111121537.XA 2021-09-24 2021-09-24 Automatic protection electric control system for charging socket device of torpedo hot metal mixer car Pending CN113696772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111121537.XA CN113696772A (en) 2021-09-24 2021-09-24 Automatic protection electric control system for charging socket device of torpedo hot metal mixer car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111121537.XA CN113696772A (en) 2021-09-24 2021-09-24 Automatic protection electric control system for charging socket device of torpedo hot metal mixer car

Publications (1)

Publication Number Publication Date
CN113696772A true CN113696772A (en) 2021-11-26

Family

ID=78661810

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111121537.XA Pending CN113696772A (en) 2021-09-24 2021-09-24 Automatic protection electric control system for charging socket device of torpedo hot metal mixer car

Country Status (1)

Country Link
CN (1) CN113696772A (en)

Similar Documents

Publication Publication Date Title
EP3025901B1 (en) Evse doubler add-on unit
KR102327843B1 (en) Power supply system for charging electric vehicles
US9368969B2 (en) Electric power supply system
CN203275560U (en) AC charging connection system for electromobile
CN105539157A (en) High-voltage distribution box based on vehicle-mounted CAN bus network
CN107284247A (en) A kind of electric automobile and high voltage distribution box
CN106585421A (en) Intelligent charging device for electric car
CN105459834A (en) Multiple-protection high-voltage distribution box applied to new energy automobile
EP3988383A1 (en) Power-supply circuit for charging station
CN115891755A (en) Coupling system for electric vehicle
CN107444190A (en) A kind of control guiding charging device of vertical circulating parking equipment
CN203850479U (en) Socket, wiring circuit, and train
CN215944340U (en) Automatic protection electric control system for charging socket device of torpedo hot metal mixer car
CN103700964B (en) A kind of socket, connection circuit and train
CN206401962U (en) A kind of Intelligent charging device for electric vehicles
CN113696772A (en) Automatic protection electric control system for charging socket device of torpedo hot metal mixer car
CN105680517B (en) A kind of electric vehicle car AC power
CN113270915B (en) Be suitable for domestic alternating-current charging device of IT electric wire netting
JP2023517116A (en) Electric vehicle charging controller and electric vehicle charging device including the same
CN110239381B (en) Method and device for charging an electric drive or an electrically drivable motor vehicle, and charging cable
CN206353642U (en) The contact AC and DC of power system five one charging connection charging plug and charging socket
CN205583832U (en) Alternating -current charging fills electric distribution box that ferroelectric phase each other switches with direct current
CN113415182B (en) High-power intelligent charging system with electronic lock
Mathoy Definition and implementation of a global EV charging infrastructure
CN217198027U (en) High-voltage direct-current power supply distribution device for electric automobile

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination