CN107415736B - Equipment charging device and equipment charging bow - Google Patents

Equipment charging device and equipment charging bow Download PDF

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Publication number
CN107415736B
CN107415736B CN201710638673.3A CN201710638673A CN107415736B CN 107415736 B CN107415736 B CN 107415736B CN 201710638673 A CN201710638673 A CN 201710638673A CN 107415736 B CN107415736 B CN 107415736B
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signal
charging
hydraulic cylinder
hydraulic
pipeline
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CN107415736A (en
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穆晓鹏
徐威
耿庆群
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Qingdao Teld New Energy Technology Co Ltd
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Qingdao Teld New Energy Technology Co Ltd
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    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • 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
    • B60L53/30—Constructional details of charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Computing Systems (AREA)
  • Sustainable Development (AREA)
  • Analytical Chemistry (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Energy (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Pipeline Systems (AREA)

Abstract

The invention provides a device charging device and a device charging bow, comprising: a charging mechanism and a hydraulic drive system; the hydraulic drive system includes: the device comprises a controller, an oil supply device and a hydraulic cylinder; the controller is electrically connected with the oil supply device and generates a starting signal for controlling the oil supply device according to the descending signal or the charging stop signal or the closing signal; the oil supply device is also communicated with the hydraulic cylinder and is used for supplying hydraulic oil to the hydraulic cylinder according to the starting signal and recovering the hydraulic oil released by the hydraulic cylinder; the hydraulic cylinder is also in transmission connection with the charging mechanism and is used for driving the charging mechanism to descend so as to charge the equipment to be charged; and after the charging is finished, the electric power is driven by the hydraulic cylinder to rise. After the user triggers the descending signal or the ascending signal, the charging mechanism is automatically driven to ascend or descend through the hydraulic driving system to automatically charge the equipment to be charged, so that manual complex operation is omitted, and the operation is simple and the convenience is good. The invention is mainly applied to the field of electric automobile charging.

Description

Equipment charging device and equipment charging bow
Technical Field
The invention relates to the technical field of automobile charging, in particular to a device charging device and a device charging bow.
Background
As the number of motor vehicles continues to grow, many problems are becoming more and more prominent, such as environmental pollution problems, and petroleum energy problems. With the progress of technology and the enhancement of environmental awareness, electric vehicles (such as electric bicycles and devices to be charged) are increasingly used. Compared with motor vehicles, the electric vehicle can save energy and does not cause environmental pollution.
At present, there are various ways of charging the device to be charged: firstly, an electric portable charging wire is adopted, and the equipment to be charged is provided with a charging wire, and is matched with a proper socket and a vehicle-mounted charger to charge the equipment to be charged. Second, domestic electric pile (like the electric pile that fills that opens Chen Feng and provide) or quick electric pile (like the national electric wire netting) that fills, through putting into the corresponding mouth that charges of waiting to charge equipment with the charging head in this electric pile that fills for waiting to charge equipment.
However, the above charging modes of the to-be-charged device all require manual operation to charge the to-be-charged device, and the operation process is complicated and the convenience is poor.
Disclosure of Invention
Therefore, an object of the embodiments of the present invention is to provide a device charging apparatus and a device charging bow, so as to automatically drive a charging mechanism to rise or fall through a hydraulic driving system, thereby realizing automatic charging of a device to be charged, and the device charging apparatus is simple in operation and good in convenience.
In a first aspect, an embodiment of the present invention provides a device charging apparatus, including: a charging mechanism and a hydraulic drive system; the hydraulic drive system includes: the device comprises a controller, an oil supply device and a hydraulic cylinder;
the controller is electrically connected with the oil supply device and is used for receiving a descending signal or a charging stopping signal sent by a user or generating a closing signal when the electric quantity of equipment to be charged is detected to be full, and generating a starting signal for controlling the oil supply device according to the descending signal or the charging stopping signal or the closing signal and sending the starting signal to the oil supply device;
the oil supply device is also communicated with the hydraulic cylinder and is used for providing hydraulic oil for the hydraulic cylinder according to the starting signal and recovering the hydraulic oil released by the hydraulic cylinder so as to provide pressure for the hydraulic cylinder;
the hydraulic cylinder is also in transmission connection with the charging mechanism and is used for shrinking or stretching under the pressure of the entering hydraulic oil and driving the charging mechanism to descend and ascend through shrinking or stretching;
the charging mechanism is used for descending under the drive of the hydraulic cylinder and contacting with equipment to be charged, so as to charge the equipment to be charged; and after the charging is finished, the electric power is driven by the hydraulic cylinder to rise.
With reference to the first aspect, the embodiment of the present invention provides a first possible implementation manner of the first aspect, where in the device charging apparatus, the hydraulic driving system further includes: a first conduit, a second conduit, and a valve switch;
the oil supply device is communicated with the hydraulic cylinder through the first pipeline and the second pipeline respectively and is used for providing hydraulic oil for the first pipeline according to the descending signal, enabling the hydraulic oil to enter the hydraulic cylinder through the first pipeline and recycling the hydraulic oil released by the hydraulic cylinder through the second pipeline; and providing hydraulic oil and allowing the hydraulic oil to enter the hydraulic cylinder through the second pipe according to the charging stop signal or the closing signal, and recovering the hydraulic oil released by the hydraulic cylinder through the first pipe;
the valve switch is arranged on the first pipeline; the controller is electrically connected with the valve switch and is used for controlling the start and stop of the valve switch according to the received descending signal or the charging stopping signal or the closing signal so as to control the flow direction and the flow rate of the hydraulic oil in the first pipeline and the second pipeline through the start and stop of the valve switch.
With reference to the first possible implementation manner of the first aspect, the embodiment of the present invention provides a second possible implementation manner of the first aspect, where in the device charging apparatus, the valve switch includes an electromagnetic directional valve disposed on the first pipe; the electromagnetic reversing valve comprises a forward valve and a reverse valve;
the controller is specifically configured to start a reverse valve of the electromagnetic directional valve according to the descent signal, so that hydraulic oil provided by the oil supply device returns to the oil supply device through the first pipeline, the reverse valve, the hydraulic cylinder and the second pipeline; and starting the forward valve according to the charging stopping signal or the closing signal, so that the hydraulic oil provided by the oil supply device returns to the oil supply device through the second pipeline, the hydraulic cylinder, the forward valve and the second pipeline.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the device charging apparatus further includes: a third conduit and a first pilot operated check valve; the first pipeline is communicated with the hydraulic cylinder through the third pipeline; the third pipeline is provided with the first hydraulic control one-way valve;
The controller is specifically configured to start the first pilot operated check valve according to the descent signal, so that hydraulic oil provided by the oil supply device enters the hydraulic cylinder through the first pipeline and the third pipeline.
With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the device charging apparatus further includes a pressure sensor; the valve switch further comprises a proportional valve arranged on the first pipeline;
the pressure sensor is fixedly connected with the charging mechanism and is used for detecting pressure information of the charging mechanism and sending the pressure information to the controller;
the controller is electrically connected with the proportional valve, and is specifically configured to receive the pressure information, and adjust the opening size of the proportional valve according to a comparison result of the pressure information and the charging set pressure information, so as to control the flow rate of hydraulic oil provided by the oil supply device and flowing into the hydraulic cylinder through the first pipeline.
With reference to the fourth possible implementation manner of the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the device charging apparatus further includes: a fixed beam, a proximity switch and a control board; the charging mechanism includes: the charging device comprises a transmission mechanism, a charging copper bar and a fixed bracket;
The charging copper bar is fixedly arranged on the fixing bracket; one end of the transmission mechanism is in transmission connection with the hydraulic cylinder, and the other end of the transmission mechanism is fixedly connected with the fixed bracket and is used for being close to the hydraulic cylinder when the hydraulic cylinder stretches so as to drive the charging copper bar and the fixed bracket to ascend; when the hydraulic cylinder contracts, the hydraulic cylinder is far away from the hydraulic cylinder so as to drive the charging copper bar and the fixed bracket to descend;
the proximity switch is arranged on the fixed beam and is used for generating an origin position signal when detecting that the transmission mechanism enters a first upper limit position corresponding to a set detection area, and sending the origin position signal to the controller;
the controller is also used for receiving the origin position signal and controlling the oil supply device, the valve switch and the first hydraulic control one-way valve to stop working according to the origin position signal.
With reference to the fifth possible implementation manner of the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, where the device charging apparatus further includes: the magnetic valve comprises a fourth pipeline, a middle magnetic switch, a magnetic ring and a second hydraulic control one-way valve; the first pipeline is also communicated with the hydraulic cylinder through the fourth pipeline; the hydraulic cylinder comprises a fixed rod and a telescopic rod, and the fixed rod is fixedly arranged on the fixed beam; the telescopic rod is positioned in the fixed rod and is in telescopic connection with the fixed rod; the middle magnetic switch is arranged at the middle position on the fixed rod; the magnetic ring is arranged at one end, close to the fixed beam, of the telescopic rod, and the second hydraulic control one-way valve is arranged on the fourth pipeline;
The middle magnetic switch is used for generating a first switching value signal and sending the first switching value signal to the controller when the magnetic ring is sensed in the telescopic process of the telescopic rod;
the controller is specifically configured to receive the first switching value signal, close the first hydraulic control check valve and start the second hydraulic control check valve according to the descent signal and the first switching value signal, so that hydraulic oil provided by the oil supply device enters the hydraulic cylinder through the first pipeline and the fourth pipeline; and starting the first hydraulic control one-way valve and the second hydraulic control one-way valve according to the charging stopping signal or the closing signal so as to enable hydraulic oil in the hydraulic cylinder to return to the oil supply device through the third pipeline, the fourth pipeline and the first pipeline.
With reference to the sixth possible implementation manner of the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, where the device charging apparatus further includes a lower limit magnetic switch; the lower limit magnetic switch is arranged at one end of the fixed rod, which is close to the fixed beam;
the lower limit magnetic switch is used for generating a second switching value signal and sending the second switching value signal to the controller when the magnetic ring is sensed in the shrinkage process of the telescopic rod;
The controller is also used for receiving the second switching value signal and controlling the oil supply device, the valve switch, the first hydraulic control one-way valve and the second hydraulic control one-way valve to stop working according to the second switching value signal.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides an eighth possible implementation manner of the first aspect, wherein in the device charging apparatus, the oil supply device includes: an oil pump, a power motor and a first execution controller;
the controller is electrically connected with the first execution controller and is used for sending a first opening signal corresponding to the descending signal or sending a second opening signal corresponding to the charging stopping signal or the closing signal to the first execution controller according to the descending signal or the charging stopping signal or the closing signal;
the first execution controller is electrically connected with the power motor and is used for receiving the first starting signal or the second starting signal, generating a first starting instruction according to the first starting signal or generating a second starting instruction according to the second starting signal, and sending the first starting instruction or the second starting instruction to the power motor;
The power motor is electrically connected with the oil pump and is used for controlling the oil pump to convey hydraulic oil to the first pipeline according to the received first starting instruction; or controlling the oil pump to convey hydraulic oil to the second pipeline according to the received second starting instruction.
In a second aspect, an embodiment of the present invention further provides a device charging bow, including: a support frame and the device charging apparatus of any one of the first aspects; the equipment charging device is fixedly arranged on the supporting frame.
Compared with the charging mode of the equipment to be charged in the prior art, the equipment charging device and the equipment charging bow provided by the embodiment of the invention have the advantages that the equipment to be charged is required to be charged by manual operation, the operation process is complex, compared with poor convenience, the equipment charging device and the equipment charging bow provided by the embodiment of the invention have the advantages that after a user triggers a corresponding descending signal for charging or a ascending signal for completing charging, the charging mechanism is automatically driven to ascend or descend by a hydraulic driving system to charge the equipment to be charged, the equipment to be charged is automatically charged, the manual complex operation is omitted, and the operation is simple and the convenience is good.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram of a device charging apparatus according to an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a hydraulic driving system according to an embodiment of the present invention.
Fig. 3 shows a schematic diagram of a device charging apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a charging mechanism according to an embodiment of the present invention.
Icon: 10. a hydraulic drive system; 20. a charging mechanism; 101. a controller; 102. an oil supply device; 103. a hydraulic cylinder; 104. a first pipe; 105. a second pipe; 106. an electromagnetic reversing valve; 107. a third conduit; 108. a fourth conduit; 109. a first pilot operated check valve; 110. a second pilot operated check valve; 111. a proportional valve; 112. a fixed rod; 113. a telescopic rod; 201. a transmission mechanism; 202. charging copper bars; 203. and fixing the beam.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
Considering the charging mode of the equipment to be charged in the prior art, manual operation is needed to charge the equipment to be charged, the operation process is complex, and the convenience is poor. Based on the above, the embodiment of the invention provides a device charging device and a device charging bow, and the description is given below through the embodiment.
An embodiment of the present invention provides an apparatus charging device, referring to fig. 1 and 3, a charging mechanism 20 and a hydraulic drive system 10; the hydraulic drive system 10 includes: a controller 101, an oil supply device 102, and a hydraulic cylinder 103;
the controller 101 is electrically connected with the oil supply device 102, and is configured to receive a down signal or a charging stop signal sent by a user, or generate a closing signal when detecting that the electric quantity of the equipment to be charged is full, generate a start signal for controlling the oil supply device 102 according to the down signal or the charging stop signal or the closing signal, and send the start signal to the oil supply device 102;
the oil supply device 102 is also communicated with the hydraulic cylinder 103, and is used for providing hydraulic oil to the hydraulic cylinder 103 according to a starting signal and recovering the hydraulic oil released by the hydraulic cylinder 103 so as to provide pressure for the hydraulic cylinder 103;
the hydraulic cylinder 103 is also in transmission connection with the charging mechanism 20 and is used for shrinking or stretching under the pressure of the entered hydraulic oil and driving the charging mechanism 20 to descend and ascend through shrinkage or stretching;
the charging mechanism 20 is used for descending under the drive of the hydraulic cylinder 103 and contacting with the equipment to be charged to charge the equipment to be charged; and after the charging is finished, the hydraulic cylinder 103 is driven to ascend.
Specifically, the charging mechanism 20 includes a charging copper bar 202; the hydraulic drive system 10 further includes: the control board and the first communication module, the controller 101, the control board and the first communication module are electrically connected in sequence. The device charging device provided by the embodiment of the invention further comprises a charger, wherein the charger is respectively and electrically connected with the first communication module and the charging copper bar 202, the charger is used for being connected with a mains supply, converting the electric quantity of the mains supply into the electric quantity matched with the device to be charged, and transmitting the converted electric quantity to the charging copper bar 202; the charging copper bar 202 is used for descending and contacting with the equipment to be charged under the drive of the hydraulic cylinder 103, and charging the equipment to be charged by utilizing the received converted electric quantity; and after the charging is finished (including that the user stops charging or the electric quantity is full), the electric quantity is lifted under the driving of the hydraulic cylinder 103.
In the embodiment of the present invention, the electric vehicle is taken as the device to be charged, and the first communication module may be a WIFI module (WIreless-Fidelity) connected to the control board through a CAN bus (Controller Area Network, CAN), where the control board is electrically connected to the controller 101 through an I/O interface. The electric automobile is built-in with control terminal, and this control terminal includes: the first communication module and the second communication module can carry out data communication. When the user triggers the down button or stops the charging button on the control button module, the control button module generates a corresponding down signal or stops the charging signal according to the action triggered by the user, and sends the down signal or the stopping the charging signal to the first communication module through the second communication module, and then the first communication module sends the down signal or stopping the charging signal to the controller 101 through the control panel, and the controller 101 executes corresponding control according to the down signal or the stopping the charging signal. The control key module can enable a touch control module on the touch display screen to be a physical key.
In addition, after the controller 101 controls the charging mechanism 20 to charge the electric vehicle according to the descent signal of the user, the controller 101 generates a closing signal when detecting that the electric quantity of the device to be charged is full, and generates a start signal for controlling the oil supply device 102 according to the closing signal and transmits the start signal to the oil supply device 102. The off signal acts the same as the user-triggered stop charging signal, except that the off signal is automatically generated by the controller 101 upon detecting that the charge of the device to be charged is full, and the stop charging signal is user-triggered.
When the electric automobile needs to be charged, after a descending button is triggered on a control button module of the electric automobile, a descending signal is generated by the control button module and sent to a second communication module of the electric automobile, the second communication module is sent to a first communication module of a device charging device, the first communication module is sent to the controller 101, the controller 101 responds to the descending signal to control the charging mechanism 20 to descend, after the controller 101 determines that the contact between the charging copper bar 202 and a power receiving copper bar of the electric automobile is completed, a charging instruction is generated and sent to the first communication module, the first communication module is sent to a charger, and finally the charger supplies power to the charging copper bar 202, so that the power receiving copper bar of the electric automobile is supplied with power. After the controller 101 and the charger learn that the electric automobile is fully charged or a worker triggers a charging stopping button on the control button module, the charger stops the charging copper bar 202 to supply power, and the controller 101 controls the charging mechanism 20 to ascend.
The following describes the process of the controller 101 and the charger knowing that the electric vehicle is fully charged: the battery management system on the electric automobile detects the electric quantity of the battery of the electric automobile in real time, when the electric quantity of the battery of the electric automobile reaches a full-charge threshold value, an electric quantity full-charge signal is generated and sent to the second communication module, the second communication module sends the electric quantity full-charge signal to the first communication module, the first communication module sends the electric quantity full-charge signal to the controller 101 and the charger respectively, the charger stops the charging copper bar 202 for supplying power according to the electric quantity full-charge signal, and meanwhile, the controller 101 controls the charging mechanism 20 to ascend according to the electric quantity full-charge signal.
The function of the control board is to connect the controller 101 with the I/O port and the first communication module with the CAN bus port, and at the same time, the control board is also connected with a display screen, so as to display the relevant control data of the controller and the relevant charging data of the charger.
Wherein, the oil supply device 102 comprises: the device comprises an oil pump, a power motor and a first execution controller; the first execution controller is a contactor or a relay;
the controller 101 is electrically connected with the first execution controller, and is configured to send a first start signal corresponding to the falling signal or send a second start signal corresponding to the charging stop signal or the closing signal to the first execution controller according to the falling signal or the charging stop signal or the closing signal;
The first execution controller is electrically connected with the power motor and is used for receiving a first starting signal or a second starting signal, generating a first starting instruction according to the first starting signal or generating a second starting instruction according to the second starting signal, and sending the first starting instruction or the second starting instruction to the power motor;
the power motor is electrically connected with the oil pump and is used for controlling the oil pump to convey hydraulic oil to the first pipeline 104 according to the received first starting instruction; alternatively, the oil pump is controlled to deliver hydraulic oil to the second pipe 105 according to the received second start command.
Compared with the charging mode of the equipment to be charged in the prior art, the equipment charging device and the equipment charging bow provided by the embodiment of the invention require manual operation to charge the equipment to be charged, the operation process is complex, and compared with poor convenience, the equipment charging device and the equipment charging bow provided by the embodiment of the invention automatically drive the charging mechanism 20 to ascend or descend through the hydraulic driving system 10 to charge the equipment to be charged after a user triggers a descending signal corresponding to charging or an ascending signal for completing charging, thereby realizing automatic charging of the equipment to be charged, omitting manual complex operation, and being simple to operate and good in convenience.
Further, referring to fig. 2 and 3, in the device charging apparatus provided in the embodiment of the present invention, the hydraulic driving system 10 further includes: a first conduit 104, a second conduit 105 and a valve switch;
The oil supply device 102 is respectively communicated with the hydraulic cylinder 103 through a first pipeline 104 and a second pipeline 105, and is used for supplying hydraulic oil to the first pipeline according to a descending signal, enabling the hydraulic oil to enter the hydraulic cylinder 103 through the first pipeline 104 and recycling the hydraulic oil released by the hydraulic cylinder 103 through the second pipeline 105; and, according to the stop charge signal or the shut-off signal, supplying and allowing hydraulic oil to enter the hydraulic cylinder 103 through the second pipe 105, and recovering the hydraulic oil released from the hydraulic cylinder 103 through the first pipe 104;
a valve switch is arranged on the first pipeline 104; the controller 101 is electrically connected to the valve switch, and is configured to control the start and stop of the valve switch according to the received descent signal, the stop charging signal, or the closing signal, so as to control the flow direction and the flow rate of the hydraulic oil in the first pipe 104 and the second pipe 105 through the start and stop of the valve switch.
Specifically, the oil tank, the first pipe 104, the hydraulic cylinder 103, and the second pipe 105 form a circulation circuit. The controller 101 is configured to control the valve switch to allow the hydraulic oil in the oil tank to enter the hydraulic cylinder 103 through the first pipe 104, then flow out of the hydraulic cylinder 103 into the second pipe 105 and back into the oil tank through the second pipe 105 according to the received descent signal, and also control and regulate the flow rate of the hydraulic oil in the entire circulation loop. The controller 101 is further configured to cause hydraulic oil in the tank to enter the hydraulic cylinder 103 via the second conduit 105 and then to flow out of the hydraulic cylinder 103 into the first conduit 104 and back into the tank via the first conduit 104 in response to the received stop charge signal or shut down signal, while also controlling and regulating the flow of hydraulic oil in the overall circulation loop.
Further, referring to fig. 2 and 3, in the device charging apparatus provided in the embodiment of the present invention, the valve switch includes an electromagnetic directional valve 106 disposed on the first pipe 104; the electromagnetic directional valve 106 includes a forward valve and a reverse valve;
the controller 101 is specifically configured to activate a reverse valve of the electromagnetic directional valve 106 according to the descent signal, so that hydraulic oil provided by the oil supply device 102 returns to the oil supply device 102 through the first pipeline 104, the reverse valve, the hydraulic cylinder 103 and the second pipeline 105; and, according to the stop charge signal or the close signal, the forward valve is activated to return the hydraulic oil supplied from the oil supply device 102 to the oil supply device 102 through the second pipe 105, the hydraulic cylinder 103, the forward valve, and the second pipe 105.
As shown in fig. 3, a coil 1 (the coil may also be referred to as an electromagnet) is a control electromagnet that controls conduction of a passage 1 of the electromagnetic directional valve 106 (wherein the electromagnetic directional valve 106 is the passage 1, i.e., a reverse valve of the electromagnetic directional valve 106). The controller 101 controls the conduction of the channel 1 of the electromagnetic directional valve 106, and further controls the hydraulic oil to enter the hydraulic cylinder 103 through the reverse valve of the electromagnetic directional valve 106, so that the hydraulic cylinder 103 contracts, and the charging mechanism 20 is driven to descend;
The coil 2 (the coil may also be referred to as an electromagnet) is a control electromagnet that controls conduction of the passage 2 of the electromagnetic directional valve 106 (wherein the passage 2 of the electromagnetic directional valve 106 is the forward valve of the electromagnetic directional valve 106). The controller 101 is conducted by controlling the channel 2 of the electromagnetic directional valve 106, so that hydraulic oil entering through the second pipeline 105 in the hydraulic cylinder 103 returns to the oil supply device 102 through the forward valve in the first pipeline 104, so as to drive the hydraulic cylinder 103 to stretch, and further drive the charging mechanism 20 to rise.
In addition, referring to fig. 2, a pressure gauge and a control valve are further provided on the first pipe 104 and/or the second pipe 105; the circular element below the amplifier of the proportional valve 111 in fig. 2 represents a pressure gauge, and the element on the right of the pressure gauge represents a control valve. And a control valve for controlling the hydraulic oil on the first pipe 104 and/or the second pipe 105 to flow into the pressure gauge and controlling the hydraulic oil on the first pipe 104 and/or the second pipe 105 to stop flowing into the pressure gauge. The pressure gauge is used for displaying the pressure value of the hydraulic oil flowing in currently when the hydraulic oil flows in.
Further, in the device charging apparatus provided by the embodiment of the present invention, the third pipeline 107 and the first hydraulic control check valve 109; the first pipe 104 communicates with the hydraulic cylinder 103 through a third pipe 107; the third pipeline 107 is provided with a first hydraulic control one-way valve 109;
The controller 101 is specifically configured to activate the first pilot operated check valve 109 according to the descent signal, so that hydraulic oil provided by the oil supply device 102 enters the hydraulic cylinder 103 through the first pipe 104 and the third pipe 107.
Specifically, when the controller 101 (i.e., PLC) receives the descent signal, the PLC gives a 0.75KW motor start signal (i.e., the first start signal described above, and gives the first start signal to the contactor or the relay), so as to power the operation of the hydraulic station in fig. 3, i.e., control the oil supply device 102 to supply hydraulic oil to the hydraulic cylinder 103. Meanwhile, the PLC controls the reverse valve of the electromagnetic directional valve 106 on the first pipe 104 and the first pilot operated check valve 109 to open (i.e., the PLC controls the coil 1 and the coil 3 in fig. 3) so that hydraulic oil enters the hydraulic cylinder 103 through the first pipe 104 and the third pipe 107, so as to drive the hydraulic cylinder 103 to descend rapidly.
Further, referring to fig. 2 and fig. 3, in the device charging apparatus provided by the embodiment of the present invention, a pressure sensor is further included; the valve switch further comprises a proportional valve 111 arranged on the first pipe 104;
the pressure sensor is fixedly connected with the charging mechanism 20 and is used for detecting pressure information of the charging mechanism 20 and sending the pressure information to the controller 101;
The controller 101 is electrically connected to the proportional valve 111, and is specifically configured to receive pressure information, and adjust the opening size of the proportional valve 111 according to the comparison result between the pressure information and the charging set pressure information, so as to control the flow rate of hydraulic oil provided by the oil supply device 102 and flowing into the hydraulic cylinder 103 through the first pipe 104.
Specifically, the pressure sensor is matched with the proportional valve 111 to control the expansion and contraction of the hydraulic cylinder 103, so as to control the lifting and lowering of the charging mechanism 20. The PLC adjusts the pressure of the charging mechanism 20 by PID (i.e. proportional-integral-derivative controller) according to the pressure information of the charging mechanism 20 detected by the pressure sensor and the proportional valve 111, and performs closed-loop control on the pressure of the hydraulic cylinder 103 driving the charging mechanism 20, so that the charging mechanism 20 can quickly follow the pressure under the condition that the chassis of the vehicle floats up and down due to the fact that passengers get on or off the vehicle, so that the charging mechanism 20 and the electric vehicle keep proper downward pressure, the contact surface of the charging mechanism 20 is always in good contact with the contact surface of the electric vehicle, and phenomena such as virtual connection ignition of the electric vehicle are avoided.
Further, referring to fig. 4, in the device charging apparatus provided in the embodiment of the present invention, the device charging apparatus further includes: a fixed beam 203, a proximity switch and a control board; the charging mechanism 20 includes: the charging device comprises a transmission mechanism 201, a charging copper bar 202 and a fixed bracket;
The charging copper bar 202 is fixedly arranged on the fixed bracket; one end of the transmission mechanism 201 is in transmission connection with the hydraulic cylinder 103, and the other end of the transmission mechanism is fixedly connected with the fixed bracket and is used for being close to the hydraulic cylinder 103 when the hydraulic cylinder 103 stretches so as to drive the charging copper bar 202 and the fixed bracket to rise; and is far away from the hydraulic cylinder 103 when the hydraulic cylinder 103 is contracted so as to drive the charging copper bar 202 and the fixed bracket to descend;
the proximity switch is arranged on the fixed beam 203 and is used for generating an origin signal and sending the origin signal to the controller 101 when detecting that the transmission mechanism 201 enters a first upper limit position corresponding to a set detection area;
the controller 101 is further configured to receive the origin signal, and control the oil supply device 102, the valve switch, and the first pilot operated check valve 109 to stop operating according to the origin signal.
Specifically, the purpose of the proximity switch is to detect whether the charging mechanism 20 (such as the transmission mechanism 201 and the charging copper bar 202) reaches the first upper limit position during the process of lifting the charging mechanism 20, and when detecting that the charging mechanism 20 reaches the first upper limit position, generate an origin position signal and send the origin position signal to the controller 101. The origin position signal is used to indicate that the charging mechanism 20 is lifted to the set position, and the controller receives the origin position signal, that is, indicates that the charging mechanism 20 reaches the first upper limit position, and at this time, the controller controls the oil supply device 102 and the valve switch to stop working.
Considering that when the switch failure cannot be solved and whether the charging mechanism 20 reaches the first upper limit position can not be determined, the charging device for equipment provided by the embodiment of the invention further includes: an upper limit magnetic switch and a magnetic ring; the hydraulic cylinder 103 comprises a fixed rod 112 and a telescopic rod 113, and the fixed rod 112 is fixedly arranged on a fixed beam 203; the telescopic rod 113 is positioned inside the fixed rod 112 and is in telescopic connection with the fixed rod 112;
an upper limit magnetic switch is arranged on one end, far away from the fixed beam 203, of the fixed rod 112; a magnetic ring is arranged on one end of the telescopic rod 113, which is close to the fixed beam 203;
the upper limit magnetic switch is used for generating a third switching value signal and sending the third switching value signal to the controller 101 when the magnetic ring is sensed in the stretching process of the telescopic rod 113; the upper limit magnetic switch senses that the distance between the second upper limit position of the magnetic ring and the fixed beam 203 is smaller than the distance between the first upper limit position and the fixed beam 203;
the controller 101 is specifically configured to receive the third switching value signal, and control the oil supply device 102, the valve switch, and the first pilot operated check valve 109 to stop working according to the third switching value signal.
Specifically, the hydraulic cylinder 103 is configured with a magnetic switch (DC 24V) (i.e., the upper limit magnetic switch described above), and the upper limit magnetic switch detects whether the charging mechanism 20 reaches the second upper limit position, and sends a third switching value signal detected when the charging mechanism 20 reaches the second upper limit position to the controller 101, so that the controller 101 controls the oil supply device 102, the valve switch, and the first pilot operated check valve 109 to stop operating.
Further, referring to fig. 2, fig. 3, and fig. 4, in the device charging apparatus provided in the embodiment of the present invention, the device charging apparatus further includes: a fourth conduit 108, a mid-position magnetic switch, and a second hydraulically controlled check valve 110; the first pipe 104 is also communicated with the hydraulic cylinder 103 through a fourth pipe 108; the middle magnetic switch is arranged at the middle position on the fixed rod 112; a second hydraulic control one-way valve 110 is arranged on the fourth pipeline 108;
the middle magnetic switch is used for generating a first switching value signal and sending the first switching value signal to the controller 101 when the magnetic ring is sensed in the telescopic process of the telescopic rod 113;
the controller 101 is specifically configured to receive a first switching value signal, close the first pilot operated check valve 109 and activate the second pilot operated check valve 110 according to the drop signal and the first switching value signal, so that hydraulic oil provided by the oil supply device 102 enters the hydraulic cylinder 103 through the first pipe 104 and the fourth pipe 108; and, according to the stop charge signal or the close signal, the first pilot operated check valve 109 and the second pilot operated check valve 110 are activated to return the hydraulic oil in the hydraulic cylinder 103 to the oil supply device 102 through the third pipe 107, the fourth pipe 108 and the first pipe 104.
Specifically, when the controller 101 receives a descent signal, it detects in real time whether the descending charging mechanism 20 reaches a set intermediate position through the intermediate magnetic switch, and when it detects that the descending charging mechanism 20 reaches the set intermediate position, it sends a first switching value signal obtained by detection to the controller 101; after receiving the first switching value signal, the controller 101 determines that the current charging mechanism 20 reaches the set intermediate position, and at this time, it is required to control the charging mechanism 20 to descend slowly, so as to better contact the charging mechanism 20 with the electric vehicle, thereby charging the electric vehicle. In this regard, the controller 101 controls to close the first hydraulic check valve 109 and activate the second hydraulic check valve 110, so that the hydraulic oil provided by the oil supply device 102 enters the hydraulic cylinder 103 through the first pipe 104 and the fourth pipe 108 (i.e., after the charging mechanism 20 reaches the set intermediate position, the coil 1 and the coil 4 are opened), so as to drive the hydraulic cylinder 103 to slowly descend.
Meanwhile, after the charging mechanism 20 descends to contact the power receiving copper bar on the roof of the electric automobile, the controller 101 performs PID adjustment according to the pressure information of the charging copper bar 202 in the charging mechanism 20 and the proportional valve 111, so that the flow rate given to the hydraulic cylinder 103 by the oil supply device 102 is adjusted, the charging mechanism 20 and the electric automobile keep proper downward pressure, and the contact surface of the charging mechanism 20 is always in good contact with the contact surface of the electric automobile until the charging is finished or a user stops charging.
The controller 101 does not need to participate in working according to the received charging stopping signal sent by the user or according to the fact that the closing signal is generated when the electric quantity of the equipment to be charged is detected to be full, and the controller 101 directly controls the first hydraulic control one-way valve 109 and the second hydraulic control one-way valve 110 to be opened according to the charging stopping signal or the closing signal, so that the charging structure is enabled to rise rapidly.
Specifically, when the hydraulic cylinder 103 stretches, the charging structure is driven to rise; when the hydraulic cylinder 103 contracts, the charging mechanism 20 is driven to descend. In fig. 3, after receiving the charging stop signal or the closing signal, the controller 101 controls the oil supply device 102 to supply oil and controls the coils 2, 3 and 4 to be opened (the coils 2, 3 and 4 are simultaneously electrified) so that hydraulic oil enters the hydraulic cylinder 103 through the second pipeline 105 and flows into the first pipeline 104 through the hydraulic cylinder 103, the charging mechanism 20 is controlled to ascend through the coils 3, 4 and 2 by controlling the stretching of the hydraulic cylinder 103, when the charging mechanism 20 ascends to a high position, the detection result of the proximity switch is fed back to the PLC, so that the PLC gives an instruction to stop the motor and the coils 1, 2, 3 and 4 to stop the whole system, and in this state, the charging bow automatically descends under the action of gravity when the tightness of the piston rod of the hydraulic cylinder 103 is not good by using the first hydraulic check valve 109 and the second hydraulic check valve 110 to prevent the charging bow from automatically falling under the action of gravity when the piston rod of the hydraulic cylinder 103 is in a high position. So that the entire charging process ends.
Further, referring to fig. 1 and fig. 3, in the device charging apparatus provided by the embodiment of the present invention, a lower limit magnetic switch is further included; the lower limit magnetic switch is arranged on one end of the fixed rod 112, which is close to the fixed beam 203;
the lower limit magnetic switch is used for generating a second switching value signal and sending the second switching value signal to the controller 101 when the magnetic ring is sensed in the process of shrinking the telescopic rod 113;
the controller 101 is further configured to receive a second switching value signal, and control the oil supply device 102, the valve switch, the first pilot operated check valve 109, and the second pilot operated check valve 110 to stop working according to the second switching value signal.
Specifically, the hydraulic cylinder 103 is configured with a magnetic switch (DC 24V) (i.e., the lower limit magnetic switch described above), and when the lower limit magnetic switch detects that the charging mechanism 20 reaches the lower limit position, the second switch amount signal detected by the charging mechanism 20 reaching the lower limit position is sent to the controller 101, so that the controller 101 controls the oil supply device 102, the valve switch, the first pilot operated check valve 109, and the second pilot operated check valve 110 to stop working.
The lower limit stop position (serving as a limit protection stop position after the pressure sensor fails) and the middle position is a speed switching position (3 switches are assembled on different heights of the cylinder wall of the hydraulic cylinder 103 to feed back switching value signals of different travel positions of the hydraulic cylinder 103).
After receiving the second switching value signal, the controller 101 detects whether the pressure information of the charging copper bar 202 collected by the currently received pressure sensor meets the charging set pressure information, if not, a fault command is generated, the fault command, the pressure information and the lower limit stop bit are all sent to the first communication module, the first communication module sends the information to the second communication module, and the second communication module sends the information to a vehicle instrument desk on the electric automobile, so that the vehicle instrument desk displays the pressure information, the lower limit stop bit and the fault information. And, the control terminal of electric automobile can also control the alarm that electric automobile included to instruct equipment charging device trouble.
Further, referring to fig. 3, in the device charging apparatus provided in the embodiment of the present invention, the device charging apparatus further includes: a contactor and a second execution controller; the second execution controller can be a relay and an air-cooled motor;
the controller 101 is electrically connected with the second execution controller, and is configured to generate a third start signal according to the falling signal or the charging stop signal or the closing signal, and send the third start signal to the second execution controller;
the second execution controller is electrically connected with the air-cooled motor and is used for receiving a third starting signal, generating a third starting instruction according to the third starting signal and sending the third starting instruction to the air-cooled motor;
And the air-cooled motor is used for cooling the hydraulic oil flowing through the first pipeline 104 and the second pipeline 105 according to the received third starting instruction.
In view of the fact that the temperature of the hydraulic oil flowing in the first pipe 104, the hydraulic cylinder 103, and the second pipe 105 increases after passing through the pressure, an air-cooled motor is provided to cool the hydraulic oil of the first pipe 104 and the second pipe 105 to reduce the temperature of the hydraulic oil.
The embodiment of the invention also provides a charging bow of the equipment, which comprises the following components: a support frame and the device charging device; the equipment charging device is fixedly arranged on the supporting frame.
Compared with the charging mode of the equipment to be charged in the prior art, the equipment charging bow provided by the embodiment of the invention needs manual operation to charge the equipment to be charged, has complicated operation process and poor convenience, and automatically drives the charging mechanism 20 to ascend or descend through the hydraulic driving system 10 to charge the equipment to be charged after a user triggers a descending signal corresponding to charging or an ascending signal for completing charging, thereby realizing automatic charging of the equipment to be charged, omitting manual complex operation, and being simple to operate and good in convenience.
It should be noted that: like reference numerals and letters in the following figures denote like items, and thus once an item is defined in one figure, no further definition or explanation of it is required in the following figures, and furthermore, the terms "first," "second," "third," etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention for illustrating the technical solution of the present invention, but not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present invention is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the corresponding technical solutions. Are intended to be encompassed within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (10)

1. A device charging apparatus, comprising: a charging mechanism and a hydraulic drive system; the hydraulic drive system includes: the device comprises a controller, an oil supply device and a hydraulic cylinder;
the controller is electrically connected with the oil supply device and is used for receiving a descending signal or a charging stopping signal sent by a user or generating a closing signal when the electric quantity of equipment to be charged is detected to be full, and generating a starting signal for controlling the oil supply device according to the descending signal or the charging stopping signal or the closing signal and sending the starting signal to the oil supply device;
The oil supply device is also communicated with the hydraulic cylinder and is used for providing hydraulic oil for the hydraulic cylinder according to the starting signal and recovering the hydraulic oil released by the hydraulic cylinder so as to provide pressure for the hydraulic cylinder;
the hydraulic cylinder is also in transmission connection with the charging mechanism and is used for shrinking or stretching under the pressure of the entering hydraulic oil and driving the charging mechanism to descend and ascend through shrinking or stretching;
the charging mechanism is used for descending under the drive of the hydraulic cylinder and contacting with equipment to be charged, so as to charge the equipment to be charged; and after the charging is finished, the electric power is driven by the hydraulic cylinder to rise.
2. The device charging apparatus of claim 1, wherein the hydraulic drive system further comprises: a first conduit, a second conduit, and a valve switch;
the oil supply device is communicated with the hydraulic cylinder through the first pipeline and the second pipeline respectively and is used for providing hydraulic oil for the first pipeline according to the descending signal, enabling the hydraulic oil to enter the hydraulic cylinder through the first pipeline and recycling the hydraulic oil released by the hydraulic cylinder through the second pipeline; and providing hydraulic oil and allowing the hydraulic oil to enter the hydraulic cylinder through the second pipe according to the charging stop signal or the closing signal, and recovering the hydraulic oil released by the hydraulic cylinder through the first pipe;
The valve switch is arranged on the first pipeline; the controller is electrically connected with the valve switch and is used for controlling the start and stop of the valve switch according to the received descending signal or the charging stopping signal or the closing signal so as to control the flow direction and the flow rate of the hydraulic oil in the first pipeline and the second pipeline through the start and stop of the valve switch.
3. The device charging apparatus of claim 2, wherein the valve switch comprises an electromagnetic directional valve disposed on the first conduit; the electromagnetic reversing valve comprises a forward valve and a reverse valve;
the controller is specifically configured to start a reverse valve of the electromagnetic directional valve according to the descent signal, so that hydraulic oil provided by the oil supply device returns to the oil supply device through the first pipeline, the reverse valve, the hydraulic cylinder and the second pipeline; and starting the forward valve according to the charging stopping signal or the closing signal, so that the hydraulic oil provided by the oil supply device returns to the oil supply device through the second pipeline, the hydraulic cylinder, the forward valve and the second pipeline.
4. A device charging apparatus as claimed in claim 3, further comprising: a third conduit and a first pilot operated check valve; the first pipeline is communicated with the hydraulic cylinder through the third pipeline; the third pipeline is provided with the first hydraulic control one-way valve;
the controller is specifically configured to start the first pilot operated check valve according to the descent signal, so that hydraulic oil provided by the oil supply device enters the hydraulic cylinder through the first pipeline and the third pipeline.
5. The device charging apparatus of claim 4, further comprising a pressure sensor; the valve switch further comprises a proportional valve arranged on the first pipeline;
the pressure sensor is fixedly connected with the charging mechanism and is used for detecting pressure information of the charging mechanism and sending the pressure information to the controller;
the controller is electrically connected with the proportional valve, and is specifically configured to receive the pressure information, and adjust the opening size of the proportional valve according to a comparison result of the pressure information and the charging set pressure information, so as to control the flow rate of hydraulic oil provided by the oil supply device and flowing into the hydraulic cylinder through the first pipeline.
6. The device charging apparatus of claim 5, further comprising: a fixed beam, a proximity switch and a control board; the charging mechanism includes: the charging device comprises a transmission mechanism, a charging copper bar and a fixed bracket;
the charging copper bar is fixedly arranged on the fixing bracket; one end of the transmission mechanism is in transmission connection with the hydraulic cylinder, and the other end of the transmission mechanism is fixedly connected with the fixed bracket and is used for being close to the hydraulic cylinder when the hydraulic cylinder stretches so as to drive the charging copper bar and the fixed bracket to ascend; when the hydraulic cylinder contracts, the hydraulic cylinder is far away from the hydraulic cylinder so as to drive the charging copper bar and the fixed bracket to descend;
the proximity switch is arranged on the fixed beam and is used for generating an origin position signal when detecting that the transmission mechanism enters a first upper limit position corresponding to a set detection area, and sending the origin position signal to the controller;
the controller is also used for receiving the origin position signal and controlling the oil supply device, the valve switch and the first hydraulic control one-way valve to stop working according to the origin position signal.
7. The device charging apparatus of claim 6, further comprising: the magnetic valve comprises a fourth pipeline, a middle magnetic switch, a magnetic ring and a second hydraulic control one-way valve; the first pipeline is also communicated with the hydraulic cylinder through the fourth pipeline; the hydraulic cylinder comprises a fixed rod and a telescopic rod, and the fixed rod is fixedly arranged on the fixed beam; the telescopic rod is positioned in the fixed rod and is in telescopic connection with the fixed rod; the middle magnetic switch is arranged at the middle position on the fixed rod; the magnetic ring is arranged at one end, close to the fixed beam, of the telescopic rod, and the second hydraulic control one-way valve is arranged on the fourth pipeline;
The middle magnetic switch is used for generating a first switching value signal and sending the first switching value signal to the controller when the magnetic ring is sensed in the telescopic process of the telescopic rod;
the controller is specifically configured to receive the first switching value signal, close the first hydraulic control check valve and start the second hydraulic control check valve according to the descent signal and the first switching value signal, so that hydraulic oil provided by the oil supply device enters the hydraulic cylinder through the first pipeline and the fourth pipeline; and starting the first hydraulic control one-way valve and the second hydraulic control one-way valve according to the charging stopping signal or the closing signal so as to enable hydraulic oil in the hydraulic cylinder to return to the oil supply device through the third pipeline, the fourth pipeline and the first pipeline.
8. The device charging apparatus of claim 7, further comprising a lower limit magnetic switch; the lower limit magnetic switch is arranged at one end of the fixed rod, which is close to the fixed beam;
the lower limit magnetic switch is used for generating a second switching value signal and sending the second switching value signal to the controller when the magnetic ring is sensed in the shrinkage process of the telescopic rod;
The controller is also used for receiving the second switching value signal and controlling the oil supply device, the valve switch, the first hydraulic control one-way valve and the second hydraulic control one-way valve to stop working according to the second switching value signal.
9. The apparatus charging device according to claim 2, wherein the oil supply device includes: an oil pump, a power motor and a first execution controller;
the controller is electrically connected with the first execution controller and is used for sending a first opening signal corresponding to the descending signal or sending a second opening signal corresponding to the charging stopping signal or the closing signal to the first execution controller according to the descending signal or the charging stopping signal or the closing signal;
the first execution controller is electrically connected with the power motor and is used for receiving the first starting signal or the second starting signal, generating a first starting instruction according to the first starting signal or generating a second starting instruction according to the second starting signal, and sending the first starting instruction or the second starting instruction to the power motor;
the power motor is electrically connected with the oil pump and is used for controlling the oil pump to convey hydraulic oil to the first pipeline according to the received first starting instruction; or controlling the oil pump to convey hydraulic oil to the second pipeline according to the received second starting instruction.
10. A device charging arch, comprising: a support frame and the device charging apparatus of any one of claims 1-9;
the equipment charging device is fixedly arranged on the supporting frame.
CN201710638673.3A 2017-07-31 2017-07-31 Equipment charging device and equipment charging bow Active CN107415736B (en)

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CN111071053B (en) * 2018-10-22 2021-12-21 郑州宇通客车股份有限公司 Charging bow lowering control method and device
CN112677783B (en) * 2019-10-18 2022-04-22 许继电气股份有限公司 Lifting type charging device, charging pile and movement control method of lifting type charging device
CN115432629A (en) * 2022-10-12 2022-12-06 福建省斯雷德设备制造有限公司 Wireless hydraulic lifting control device for brick machine platform

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CN204809889U (en) * 2015-03-31 2015-11-25 北京勇搏科技有限公司 Electric automobile charging station
CN106183845A (en) * 2016-07-04 2016-12-07 天津中科先进技术研究院有限公司 Lifting type charging pile for electric automobile
CN206983771U (en) * 2017-07-31 2018-02-09 青岛特来电新能源有限公司 A kind of equipment charge device and equipment charge bow

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JPH02163300A (en) * 1988-12-16 1990-06-22 Toyota Autom Loom Works Ltd Hydraulic device in battery type industrial vehicle
JPH02308021A (en) * 1989-05-19 1990-12-21 Yutani Heavy Ind Ltd Hydraulic buffer-control device for construction machine
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CN206983771U (en) * 2017-07-31 2018-02-09 青岛特来电新能源有限公司 A kind of equipment charge device and equipment charge bow

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