CN219360861U

CN219360861U - Induction charging device for lithium battery tractor

Info

Publication number: CN219360861U
Application number: CN202221497988.3U
Authority: CN
Inventors: 万浩; 谢月斌; 姜文东; 杨德洲; 鲍艳; 张珏伟
Original assignee: Anhui Heli Holdings Co ltd Tractor Branch
Current assignee: Anhui Heli Holdings Co ltd Tractor Branch
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2023-07-18
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses an induction charging device for a lithium battery tractor, which comprises a vehicle-mounted charging part and a ground charging part, wherein the vehicle-mounted charging part comprises a transmitter and a first receiver in signal communication with the transmitter, the receiver is connected with a controller, the controller is connected with a brush plate for charging through a contactor, and the contactor is communicated with a battery; the ground charging part comprises a second receiver which is in signal communication with the transmitter, the second receiver is connected with a control box, the control box is communicated with a charging pile, a charging control circuit is arranged in the control box, and the charging pile is provided with a charging circuit, so that the charging pile has the beneficial effects that: the utility model has simple structure and low cost, and can realize automatic charging of the tractor without an upper computer, a PLC controller, a dispatching system and the like.

Description

Induction charging device for lithium battery tractor

Technical Field

The utility model relates to the technical field of forward car charging equipment, in particular to an induction charging device for a lithium battery tractor.

Background

When the traditional controller is carried on the existing lithium battery power tractor, the accurate stopping of the whole vehicle and the automatic alignment charging with a charger cannot be realized, and only manual charging can be performed through manual operation. The tractor for realizing the automatic charging function is provided with an upper computer, a PLC (programmable logic controller), a wireless communication device and a positioning device, and the automatic charging is realized by sending an instruction through a dispatching system. This solution is costly and not suitable for most users. With the continuous increase of automation demands in factories and the management and control of costs, there is a need for a device capable of realizing the automatic charging function of a lithium battery tractor with low cost.

Disclosure of Invention

The present utility model is directed to an induction charging device for a lithium battery tractor, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an induction charging device for a lithium battery tractor comprises a vehicle-mounted charging part and a ground charging part, wherein the vehicle-mounted charging part comprises a transmitter and a first receiver in signal communication with the transmitter, the receiver is connected with a controller, the controller is connected with a brush plate for charging through a contactor, and the contactor is communicated with a battery; the ground charging part comprises a second receiver which is in signal communication with the transmitter, the second receiver is connected with a control box, the control box is communicated with a charging pile, a charging control circuit is arranged in the control box, and the charging pile is provided with a charging circuit.

As a further scheme of the utility model: the first receiver is connected with a first photoelectric switch, the first photoelectric switch is communicated with the controller through a relay, the second receiver is connected with a second photoelectric switch, and the second photoelectric switch is communicated with the control box.

As a further scheme of the utility model: the charging pile is connected with a charger, and the charging end of the charging pile is arranged in a telescopic way.

As a further scheme of the utility model: the charging control circuit comprises a power end, an extension control loop and a contraction control loop which are communicated with the power end.

As a further scheme of the utility model: the power supply end is connected with a photoelectric switch receiving end, the photoelectric switch receiving end is connected with a relay K1, the extension control loop comprises an electromagnetic switch K11 of the relay K1, the electromagnetic switch K11 is connected with a delay relay K2 in series, and the electromagnetic switch of the delay relay K2 is connected with a relay C1 in series.

As a further scheme of the utility model: the shrinkage control loop comprises an electromagnetic switch K12 of a relay K1, the electromagnetic switch K12 is connected with a switch S1 and a relay H1 in series, an electromagnetic switch H2 of the relay H1 is connected with the electromagnetic switch K12 and the switch S1 in parallel, a delay relay K3 is connected after the electromagnetic switch K12 and the switch S1 are connected with the electromagnetic switch H2 in parallel, and an electromagnetic switch of the delay relay K3 is connected with a relay C2.

As a further scheme of the utility model: the power supply end is connected with a relay M1, the relay M1 is connected with a relay C1, an electromagnetic switch D1 of a relay C2 and an electromagnetic switch D2 in series, and the electromagnetic switch D1 is a normally open switch and the electromagnetic switch D2 is a normally closed switch.

As a further scheme of the utility model: the charging circuit comprises an extension and retraction circuit and an extension and retraction circuit, the extension and retraction circuit comprises a directional public end, an extension end and a retraction end, a normally open electromagnetic switch M11 of a relay M1 is connected between the extension end and the square public end, a normally closed electromagnetic switch M12 of the relay M1 is connected between the retraction end and the directional public end, the extension and retraction circuit comprises an extension end and a retraction end, the extension end is connected with a relay W1, the retraction end is connected with a relay C3, the electromagnetic switch K11 and a delay relay K2 are connected with a normally closed electromagnetic switch W11 of the relay W1 in series, the electromagnetic switch D1 is connected with a normally open electromagnetic switch W12 of the relay W1 in parallel, and the electromagnetic switch K12, the switch S1 and the electromagnetic switch H2 are connected with a normally closed electromagnetic switch D3 of the relay C3 in series.

As a further scheme of the utility model: the electromagnetic switch K12, the switch S1 and the electromagnetic switch H2 are connected in parallel and then connected with a charging stop relay A1.

As a further scheme of the utility model: the ground charging part is provided with six charging stations.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure and low cost, and can realize automatic charging of the tractor without an upper computer, a PLC controller, a dispatching system and the like, and the utility model can realize switching of a charging and discharging loop through one path of contactor, does not need to charge and discharge a lithium battery and has different port designs, the utility model realizes the perception of the whole vehicle to the position through a photoelectric switch and the remote control of the charging pile through a wireless button.

Drawings

Fig. 1 is a structural frame of a charging device according to the present embodiment;

FIG. 2 is a circuit diagram of the control box of embodiment 1;

fig. 3 is a schematic diagram of a charging pile connection according to the present embodiment;

fig. 4 is a circuit diagram of the control box of embodiment 2.

In the figure: 1-first photoelectric switch, 2-relay, 3-controller, 4-contactor, 5-battery, 6-transmitter, 7-first receiver, 8-brush board, 9-second receiver, 10-second photoelectric switch, 11-control box, 12-fills electric pile, 13-machine that charges.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, in an embodiment of the present utility model, an induction charging device for a lithium battery tractor includes a vehicle-mounted charging portion and a ground charging portion, where the ground charging portion is provided with six charging stations, in this embodiment, one charging station is provided, the vehicle-mounted charging portion is used for inducing a charging pile and implementing automatic parking alignment, then controlling a whole vehicle power supply to switch to a charging loop, when the stations are completed, the charging pile can be controlled to retract and go to the next station, the ground charging portion is used for inducing and identifying a vehicle, after the vehicle is in place, controlling the charging pile to automatically extend, charging is started after accurate docking with a whole vehicle brush plate, and when a wireless signal sent by the vehicle body device is received, controlling the charging pile to automatically retract.

In this embodiment, the vehicle-mounted charging part includes a transmitter 6 and a first receiver 7 in signal communication with the transmitter 6, the first receiver 7 is connected with a first photoelectric switch 1, the first photoelectric switch 1 is communicated with a controller 3 through a relay 2, the controller 3 is connected with a brush plate 8 for charging through a contactor 4, the contactor 4 is communicated with a battery 5, the first photoelectric switch 1 receives an optical signal reflected by a reflecting plate on a charging pile, drives the relay 2 to absorb, transmits a high level signal to the controller 3, the controller 3 judges that the whole vehicle arrives at a charging station at the moment and immediately decelerates and stops, and drives the contactor 4 for charging and discharging to absorb, so that the positive and negative electrode power supply of the battery 5 is connected with the positive and negative electrodes of the brush plate 8, and the whole vehicle is ready for charging; the ground charging part comprises a second receiver 9 which is in signal communication with the transmitter 6, the second receiver 9 is connected with a second photoelectric switch 10, the second photoelectric switch 10 is communicated with a control box 11, the control box 11 is communicated with a charging pile 12, the charging pile 12 is connected with a charger 13, the charging end of the charging pile 12 is arranged in a telescopic way, a charging control circuit is arranged in the control box 11, and the charging pile 12 is provided with a charging circuit.

The charging control circuit comprises a power end, an extension control loop and a contraction control loop, wherein the extension control loop and the contraction control loop are communicated with the power end, the power end is connected with a photoelectric switch receiving end, the photoelectric switch receiving end is connected with a relay K1, the extension control loop comprises an electromagnetic switch K11 of the relay K1, the electromagnetic switch K11 is connected with a delay relay K2 in series, the electromagnetic switch of the delay relay K2 is connected with a relay C1 in series, the contraction control loop comprises an electromagnetic switch K12 of the relay K1, the electromagnetic switch K12 is connected with a switch S1 and a relay H1 in series, the electromagnetic switch H2 of the relay H1 is connected with an electromagnetic switch K12 in parallel, the electromagnetic switch S1 is connected with a delay relay K3 in parallel, the electromagnetic switch of the delay relay K3 is connected with a relay C2, the electromagnetic switch K12 is connected with a charging stop relay A1 in parallel, the power end is connected with a relay M1 and an electromagnetic switch D1 of the relay C1 in parallel, and the electromagnetic switch D2 of the relay C1 is normally-open, and the electromagnetic switch D1 is normally-open.

The charging circuit comprises an extension and retraction circuit and an extension and retraction circuit, the extension and retraction circuit comprises a directional public end, an extension end and a retraction end, a normally open electromagnetic switch M11 of a relay M1 is connected between the extension end and the square public end, a normally closed electromagnetic switch M12 of the relay M1 is connected between the retraction end and the directional public end, the extension and retraction circuit comprises an extension end and a retraction end, the extension end is connected with a relay W1, the retraction end is connected with a relay C3, the electromagnetic switch K11 and a delay relay K2 are connected with a normally closed electromagnetic switch W11 of the relay W1 in series, the electromagnetic switch D1 is connected with a normally open electromagnetic switch W12 of the relay W1 in parallel, and the electromagnetic switch K12 and the switch S1 are connected with a normally closed electromagnetic switch D3 of the relay C3 in series after being connected with the electromagnetic switch H2 in parallel.

When the vehicle is required to be charged, the first photoelectric switch 1 receives the light signals reflected by the reflecting plate on the charged pile when the vehicle is required to be charged, drives the relay 2 to be attracted, transmits high-level signals to the controller 3, and the controller 3 judges that the whole vehicle arrives at the charging station and immediately decelerates and stops, simultaneously drives the contactor 4 to be attracted, so that the positive and negative power supplies of the batteries 5 are connected with the positive and negative poles of the brush plate 8. The whole vehicle is ready for charging.

Meanwhile, after the whole vehicle is stopped, the second photoelectric switch 10 of the ground charging part receives the light signal reflected by the reflecting plate on the vehicle body, the identifying signal drives the relay K1 in the control box 11 to be electrified, after the relay K1 is electrified, the electromagnetic switches K11 and K12 are closed, at the moment, the relay K2 is electrified and delayed for 10 seconds and then is attracted, and the relay C1 is driven to be electrified. After the relay C1 is electrified, the electromagnetic switch D1 is closed, then the relay M1 is electrified, the electromagnetic switch M11 is closed, the end of the electromagnetic switch M12 is opened, then the port of the charging pile 12, which is stretched out by control, is electrified, the charging pile starts to stretch out to be in butt joint with the brush plate, after the charging end of the charging pile 12 is stretched out to the right place, the charging pile stretches out to the right place port to electrically drive the relay W1 to be electrified, then the electromagnetic switch W11 is disconnected, the relay C1 is powered off after the electromagnetic switch W11 is disconnected, the electromagnetic switch D1 is disconnected, meanwhile, the electromagnetic switch W12 is closed, then the stretching loop is powered off, the charging pile is kept in a telescopic state, and the charging end stretched out by the charging pile 12 is matched with the brush plate 8, so that the battery 5 of the tractor can be charged.

When the lithium battery tractor is charged and needs to leave the station, an operator triggers the transmitter 6, the second receiver 9 receives a signal to control the switch S1 to be closed, then the switch S1 in the control circuit is opened after being closed for 500ms, when the switch S1 is closed, the electromagnetic switch K12 connected in series with the same circuit is also in a closed state, meanwhile, the normally closed electromagnetic switch D3 in the circuit is also in a closed state, the relay H1 is electrified, the electromagnetic switch H2 forms self-locking to the circuit after being closed, and the return conduction state can be maintained after the switch S1 is opened. Meanwhile, the charging stop relay is powered on to attract to control the opening output of the charger, the relay C2 is driven to be electrified after the delay relay K3 is powered on for 2 seconds, the electromagnetic switch D2 is turned off, the relay M1 is powered off, the electromagnetic switch M11 is turned off, the electromagnetic switch M12 is turned on and switched to a normally closed loop, the charging pile 12 controls the retracted port to be powered on, and the charging pile 12 starts to retract. Meanwhile, the first receiver 7 also receives a wireless signal to close the contact, a high-level signal is transmitted to the controller 3, the controller 3 judges that the whole vehicle is required to run in a self-driving way, and the contactor 4 is disconnected after the time delay is 5S, so that a power supply loop is switched to a discharge loop to drive the whole vehicle to run.

Example 2

Referring to fig. 1-2 and fig. 4, in this embodiment, six charging stations are provided, six sets of parallel extending control loops and contracting control loops are provided in the charging control circuit, each set of extending control loops and contracting control loops controls one charging station, in use, the station where the tractor stops is first identified through the receiver, then the control circuit of the corresponding station is turned on, so that the corresponding circuit can be controlled and the tractor can be charged, and the rest of the structure is the same as that of embodiment 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An induction charging device for a lithium battery tractor is characterized by comprising a vehicle-mounted charging part and a ground charging part, wherein the ground charging part is provided with at least one charging station, the vehicle-mounted charging part comprises a transmitter (6) and a first receiver (7) which is in signal communication with the transmitter (6), the receiver (7) is connected with a controller (3), the controller (3) is connected with a brush plate (8) for charging through a contactor (4), and the contactor (4) is communicated with a battery (5); the ground charging part comprises a second receiver (9) which is in signal communication with the transmitter (6), the second receiver (9) is connected with a control box (11), the control box (11) is communicated with a charging pile (12), a charging control circuit is arranged in the control box (11), and the charging pile (12) is provided with a charging circuit.

2. An induction charging device for a lithium battery tractor according to claim 1, characterized in that the first receiver (7) is connected with a first photoelectric switch (1), the first photoelectric switch (1) is communicated with a controller (3) through a relay (2), the second receiver (9) is connected with a second photoelectric switch (10), and the second photoelectric switch (10) is communicated with the control box (11).

3. An induction charging device for a lithium battery tractor according to claim 1, characterized in that the charging pile (12) is connected with a charger (13), and the charging end of the charging pile (12) is arranged in a telescopic manner.

4. The inductive charging device for a lithium battery tractor of claim 1, wherein the charging control circuit includes a power source terminal and an extension control loop, a retraction control loop in communication with the power source terminal.

5. The inductive charging device for a lithium battery tractor according to claim 4, wherein the power supply terminal is connected with a photoelectric switch receiving terminal, the photoelectric switch receiving terminal is connected with a relay K1, the extension control loop comprises an electromagnetic switch K11 of the relay K1, the electromagnetic switch K11 is connected with a delay relay K2 in series, and the electromagnetic switch of the delay relay K2 is connected with the relay C1 in series.

6. An induction charging device for a lithium battery tractor according to claim 5, wherein the shrinkage control loop comprises an electromagnetic switch K12 of a relay K1, the electromagnetic switch K12 is connected with a switch S1 and a relay H1 in series, an electromagnetic switch H2 of the relay H1 is connected with the electromagnetic switch K12 and the switch S1 in parallel, a delay relay K3 is connected after the electromagnetic switch K12 and the switch S1 are connected with the electromagnetic switch H2 in parallel, and an electromagnetic switch of the delay relay K3 is connected with a relay C2.

7. The induction charging device for a lithium battery tractor according to claim 6, wherein the power end is connected with a relay M1, the relay M1 is connected with an electromagnetic switch D1 and an electromagnetic switch D2 of the relay C1 and the relay C2 in series, the electromagnetic switch D1 is a normally open switch, and the electromagnetic switch D2 is a normally closed switch.

8. The inductive charging device for a lithium battery tractor according to claim 7, wherein the charging circuit comprises an extension and retraction circuit and an extension and retraction circuit, the extension and retraction circuit comprises a directional public end, an extension end and a retraction end, a normally open electromagnetic switch M11 of a relay M1 is connected between the extension end and the square public end, a normally closed electromagnetic switch M12 of the relay M1 is connected between the retraction end and the directional public end, the extension and retraction circuit comprises an extension end and a retraction end, the extension end is connected with a relay W1, the retraction end is connected with a relay C3, the electromagnetic switch K11 and the delay relay K2 are connected in series with a normally closed electromagnetic switch W11 of the relay W1, the electromagnetic switch D1 is connected in parallel with a normally open electromagnetic switch W12 of the relay W1, and the electromagnetic switch K12 and the electromagnetic switch S2 are connected in parallel with a normally closed electromagnetic switch D3 of the relay C3.

9. An induction charging device for a lithium battery tractor according to claim 6, wherein the electromagnetic switch K12, the switch S1 and the electromagnetic switch H2 are connected in parallel and then connected with a charging stop relay A1.

10. An induction charging device for a lithium battery tractor according to claim 5, wherein the ground charging section is provided with six charging stations.