CN212304843U - Docking charging trigger device, charging station of automatic walking equipment and mowing system - Google Patents
Docking charging trigger device, charging station of automatic walking equipment and mowing system Download PDFInfo
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- CN212304843U CN212304843U CN202021967903.4U CN202021967903U CN212304843U CN 212304843 U CN212304843 U CN 212304843U CN 202021967903 U CN202021967903 U CN 202021967903U CN 212304843 U CN212304843 U CN 212304843U
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Abstract
The utility model provides a butt joint trigger device that charges, automatic walking equipment's charging station and system of mowing. The automatic walking device can abut against the trigger element when running to a position close to a charging position, and the switch element is triggered through the movement of the trigger element, so that the charging signal is switched on or off. Therefore, the utility model discloses a butt joint trigger device that charges can the auto-induction automatic walking equipment butt joint state of charging, and in good time switch-on main power supply line output charge signal does not need artificial operation control, also need extra electronic components and control circuit such as charging station controller or electronic switch. The utility model discloses can simplify charging station circuit structure, and because what its adopted is mechanical switch, therefore can also avoid the problem of electron device trouble. The utility model discloses carry out the break-make state to the charging station signal of charging and switch, have higher stability.
Description
Technical Field
The utility model relates to an automatic walking equipment field especially relates to a butt joint trigger device that charges, automatic walking equipment's charging station and mowing system.
Background
Automatic walking devices such as intelligent mowing robots have been widely popularized. It can replace traditional lawn mower, reduces the required human cost of maintaining the lawn. The automatic walking equipment can automatically run, manpower is effectively liberated, and convenience is brought to users.
Automatic walking devices typically employ battery packs to power the device. When the battery pack works for a period of time and the electric quantity of the battery pack is insufficient, the battery pack needs to return to a charging station for charging. Charging stations are usually arranged on the boundary lines of the working area of the self-propelled device. The automatic walking equipment detects the battery pack, and after receiving a command of returning to charge, the control unit of the automatic walking equipment controls the automatic walking equipment to run along the boundary wire and return to the charging station for butt joint charging.
In the existing charging station, the charging electrode is always charged. Therefore, the charging station consumes electric energy all the time, and potential safety hazards are caused.
In order to solve the above problems, a separate input module is provided in the prior art, which can input a control signal to a controller of the charging station, and then the controller of the charging station powers on or powers off an electronic switch on a main power supply line in the charging station. However, the above method requires an additional input module, and requires additional electronic devices and control circuits.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model aims to provide a charging station and a mowing system which are butt-jointed with a charging trigger device and an automatic walking device. According to the application, the automatic walking equipment can automatically trigger and control the on-off of the charging signal through the matching between the trigger element and the switch unit.
In order to achieve the above object, the utility model provides a butt joint trigger device that charges, it includes:
the triggering element is arranged on a charging station of the automatic walking equipment and can generate displacement under the interference action of the automatic walking equipment;
and the switch unit is arranged on a moving path of the trigger element and is used for directly switching on or switching off the charging signal.
Optionally, the docking charging triggering device further comprises a charging unit, wherein the charging unit is disposed inside the triggering element, and the charging unit is configured to be docked with a charging connector of the automatic walking device.
Optionally, the docking charging triggering device is configured to move the triggering element from the standby position of the charging station to the charging position of the charging station under the interference of the automatic walking device;
when the trigger element moves to the charging position, the trigger switch unit is switched on to charge the signal, and when the trigger element is separated from the charging position, the trigger switch unit is switched off to charge the signal.
Optionally, the docking charging triggering device is configured to, when the triggering element moves to the charging position, position the front end of the electrode unit outside the triggering element, and dock the front end of the electrode unit with a charging connector on the automatic walking device for charging;
when the trigger element is located at a standby position outside the charging station, the front end of the electrode unit is located inside the trigger element.
Optionally, the docking charging triggering device further includes a position restoring device mounted at an inner end of the triggering element, and configured to drive the triggering element to restore from the charging position to the standby position.
Optionally, the docking charging trigger device is a spring, and the position restoring device is a spring.
Optionally, the docking charging trigger device is a cylindrical structure, and the trigger element surrounds the outer circumference of the electrode unit.
Optionally, the docking charging triggering device includes two electrode units, the triggering element is disposed on the outer periphery of each electrode unit, the switch unit is disposed on the moving path of each triggering element, and the two switch units are connected in series in the output circuit of the charging signal.
Optionally, the docking charging triggering device is a docking charging triggering device, wherein the switching unit is disposed on a main power supply circuit of the charging station.
Optionally, the docking charging triggering device is configured to further include a second connecting portion, the second connecting portion is disposed in a second cavity inside the charging station, the second connecting portion is disposed in the second cavity, and the second connecting portion is disposed in the second cavity.
Optionally, the docking charging triggering device is a docking charging device, wherein the triggering element and the electrode unit are arranged on the bottom, the front, the side wall or the top of the charging station.
Optionally, the docking charging triggering device is a docking charging triggering device, wherein the switch unit includes one or a combination of a micro switch, an electrical switch or a mechanical switch.
Meanwhile, the invention also provides a charging station of the automatic walking equipment, wherein the charging station is provided with any one of the butt joint charging trigger devices.
The invention also provides a mowing system which comprises the automatic walking equipment and a charging station capable of being in butt joint with the automatic walking equipment for charging, wherein the butt joint charging trigger device is arranged in the charging station.
Compared with the prior art, the utility model has the following technical effects:
1. the utility model provides a butt joint trigger device that charges for automatic walking equipment charging station, it can be moved to the position of charging when being close by automatic walking equipment butt trigger element at automatic walking equipment, through trigger element's removal trigger switch component, realizes switching on or turn-off of signal of charging. Therefore, the utility model provides a butt joint trigger device that charges can the auto-induction automatic walking equipment butt joint state of charging, and the main power supply line according to the butt joint situation switch-on charging station of automatic walking equipment in good time makes it can export the signal of charging. The utility model discloses do not need artificial operation control, also need not set up extra electronic components or control circuit such as controller or electronic switch on the charging station. The utility model discloses can simplify charging station circuit structure, and owing to adopt be mechanical switch, therefore can also avoid the problem of electron device trouble. The utility model discloses carry out the break-make state to the charging station signal of charging and switch, have higher stability.
2. In particular, the present invention employs a telescoping trigger element and places the trigger element outside of the electrode unit. When not charging, the trigger element can protect the electrode unit from being polluted and damaged; when the automatic walking equipment is in butt joint charging, the trigger element can be pushed to retract directly through the operation of the automatic walking equipment, so that the electrode unit of the charging station is exposed, the butt joint with the electrode on the automatic walking equipment is realized, and meanwhile, the retraction movement of the trigger element can also trigger the switch unit formed by the mechanical switch to be closed, so that a charging signal is conducted. The utility model discloses the trigger element who adopts, it can play guard electrode unit and trigger mechanical switch's dual function simultaneously, simple structure, but makes the charging station of utility model information is more safe and high-efficient.
3. The utility model discloses a two electrode unit of charging station correspond respectively and are provided with two trigger element, and two trigger element correspond respectively again and are provided with two mechanical switch, and series connection is on main power supply circuit between two mechanical switch. The utility model discloses only when two switch units are closed simultaneously, just can switch on main supply circuit and for electrode unit circular telegram. Therefore, the utility model discloses can effectively improve the security of charging process.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the invention for the purpose of explanation and not limitation of the invention. In the drawings:
fig. 1 is a schematic diagram of a main power supply circuit of a charging station of an automatic walking device provided by the present invention.
Fig. 2 is a schematic diagram of the station entering state of the automatic walking equipment of the utility model.
Fig. 3 is a schematic overall structure diagram of a charging station with a docking charging triggering device provided by the present invention.
Fig. 4 is a schematic cross-sectional view of the charging station of fig. 3.
Fig. 5 is a schematic structural view of the automatic walking device when it is docked with the charging station.
In the figure, 1-boundary line, 2-charging station, 3-arrival induction signal, 4-electrode unit, 5-automatic walking device, 6-charging connector, 7-switch unit, 8-trigger element and 9-elastic element.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The meaning of "inside and outside" in the present invention means that, with respect to the charging station itself, the direction from the housing thereof to the connecting end of the internal trigger element is inside, and vice versa; and not to the specific limitations of the device mechanism of the present invention.
The term "connected" as used herein may mean either a direct connection between elements or an indirect connection between elements through other elements.
The utility model discloses in the meaning of "preceding, back" indicate automatic walking equipment butt joint charging process, the direction that the charging station at first contacted automatic walking equipment is preceding promptly, otherwise promptly for the back, and not right the utility model discloses a device mechanism's specific injecing.
Referring to fig. 1 and 2, the present invention provides a charging station 2 that can be mated with an automatic traveling device such as a mowing robot and can be docked for charging.
This main power supply circuit system of charging station includes: an energy supply unit, a switching unit 7 and an electrode unit 4. The electrode unit 4 can be in butt joint with a charging connector 6 of the automatic walking device for charging. The energy supply unit is used for converting an alternating current or direct current power supply into an electric signal suitable for butt joint charging and outputting a charging signal to supply power to the electrode unit. The switch unit 7 is connected between the energy supply unit and the electrode unit 4, and is used for controlling the on-off of the main power supply circuit and directly switching on or off the charging signal.
The charging station system may further comprise boundary line signal generating means for emitting a current signal into the boundary line.
In particular, the switching unit may be arranged in the charging station housing. The switching unit may be realized by a micro switch (electrical switch). The switching of the switching unit can be triggered by a trigger element. The triggering element 8 can be arranged on the charging station 2 of the self-propelled device and can be displaced under the interference of the self-propelled device. And the switch unit 7 can be arranged on the moving path of the trigger element 8 in cooperation with the trigger element 8, so that the butt joint charging state of the automatic walking equipment is detected according to the collision of the automatic walking equipment, and the on-off of a charging signal is correspondingly triggered by induction.
In this application, the microswitch is arranged on the main power supply circuit, and the trigger element can be arranged on the charging station housing. The trigger element can move to one side of the microswitch under the extrusion action of the automatic walking equipment in the butt joint charging process of the automatic walking equipment to trigger the microswitch to be closed; and still can be connected with elastic component 9 on the trigger element, link to each other with trigger element 8 through the one end that sets up the elastic component, set up its other end and fix on the charging station, can realize: when the automatic walking equipment is charged and leaves the charging station, the extrusion effect on the elastic part disappears, the elastic part can automatically recover to the initial state, the trigger element is driven to separate from the charging position and recover to the standby position, and the micro switch is switched off at the moment to cut off the output path of the charging signal.
According to the power supply control method and the power supply control device, the mechanical switch is directly arranged on the main power supply circuit to control the on-off of the main power supply circuit, and an electronic switch is not used for controlling the on-off of the main power supply circuit. The uncertainty caused by the logic control fault of the electronic switch can be avoided, and the reliability and the safety of the circuit are ensured.
The trigger element can be arranged at the bottom, right in front, side wall or top of the charging station and the like which can be contacted with the shell of the automatic walking device, and the electrode unit does not need to be limited.
As shown in fig. 1 and 2, a total of two or even more charging connectors 6 may be provided on the automatic walking device 5. Each charging connector is used for being connected with the corresponding electrode unit 4 in a butt joint mode, and is used for charging an energy storage unit, such as a battery pack, in the automatic walking equipment. In order to protect the electrode structure and accurately detect the docking and charging condition of the automatic walking device, the electrode unit 4 can be specifically arranged inside the trigger element 8, and the trigger element 8 protects the electrode unit from being directly acted by external force at the standby position. When the trigger element 8 moves from the standby position outside the charging station 2 to the charging position inside the charging station under the interference of the automatic traveling device, it can trigger the switch unit 7 to conduct the charging signal; when the trigger element 8 is out of the charging position, the charging signal of the switch unit 7 can be correspondingly turned off by canceling the acting force on the switch unit 7, so that the electrode unit is not electrified in the non-charging state, and the electric shock risk is avoided.
Specifically, in the process of docking charging and undocking, the following steps are carried out: when the trigger element 8 moves to the charging position, the front end of the electrode unit 4 is positioned on the outer side of the trigger element 8, and the front end of the electrode unit 4 can be in butt joint with the charging connector 6 on the automatic walking device for charging; when the triggering element 8 is located in the standby position outside the charging station 2, the front end of the electrode unit 4 is located inside the triggering element 8, protected by the triggering element 8.
The automatic walking equipment can also be provided with a signal identification unit corresponding to the boundary line signal, and the signal identification unit is used for identifying the boundary line signal and the station-entering induction magnetic field signal. The signal identification unit can specifically realize the identification of boundary line signals and inbound induction signals through the magnetic sensor.
The inbound induction signal may be provided by an inbound induction coil or the like disposed in the vicinity of the charging station. The induction signal of coming to the station can be directly obtained and identified by a signal identification unit on the automatic walking equipment. In other implementation manners, the inbound induction signal can be obtained by calculating the position relationship between the automatic walking device and the charging station by using a positioning system, a sensing system and an image recognition system.
In the charging process:
and 2, the automatic walking equipment continues to walk along the boundary line in the clockwise or anticlockwise direction, and the walking guide signal is the boundary line signal. The boundary line signal may be configured such that a current signal is emitted into the boundary line by a boundary line signal generating means in the charging station, and the self-traveling apparatus induces a magnetic field of the boundary line signal to return to the charging station along the boundary line according to guidance of the magnetic field. In other embodiments, the position of the charging station may be determined by satellite navigation, UWB, image recognition, etc., so as to drive the autonomous traveling apparatus back to the charging station.
And 4, when the butt joint is completed or in the butt joint process, the shell of the automatic walking equipment touches, so that the trigger element on the charging station moves to the position where the switch unit 7 such as a mechanical switch can be triggered to be opened, at the moment, the mechanical switch is closed, the main power supply circuit is switched on, and the electrode unit is electrified. In the charging process, the brake device on the automatic walking equipment brakes to keep the automatic walking equipment at the charging position, so that the switch unit 7 is always kept in a connected state in the charging process. After charging is finished, when the automatic walking equipment leaves the charging station, the trigger element restores to the standby position, and the abutting joint of the switch unit 7 is cancelled, so that the main power supply circuit connected with the switch unit 7 is turned off, the electrode unit restores to the uncharged state, and the electric shock risk caused by mistaken electrode contact is avoided.
The trigger element described above may take the following three forms:
in a first embodiment: as shown in fig. 3-5, the switch unit may be implemented using a micro switch. The triggering element is telescopically arranged outside the electrode unit of the charging station. When not charging, the trigger element can play a role of protecting the electrode unit; when the automatic walking equipment is in butt joint charging, the automatic walking equipment pushes the trigger element to move inwards along the direction of the electrode unit after entering the station, so that the electrode unit is exposed and is in butt joint with the charging connector 6, and meanwhile, the trigger element triggers the micro switch to be closed to switch on the main power supply circuit.
Furthermore, in order to match the number of the electrode units, the triggering element can be specifically set to include a first telescopic unit and a second telescopic unit which are respectively arranged on the two electrodes of the charging station, the first telescopic unit is correspondingly arranged with the first microswitch, the second telescopic unit is correspondingly arranged with the second microswitch, the first microswitch and the second microswitch are serially connected and arranged on the main power supply circuit, and the automatic walking equipment pushes the first telescopic unit and the second telescopic unit to move inwards when being butted with the charging station, so that the two electrode units are respectively exposed, and the first microswitch and the second microswitch are triggered to be closed to switch on the main power supply circuit. Under this kind of the mode of setting of establishing ties, need two sets of trigger component all to be located the butt joint position, just can trigger first micro-gap switch and second micro-gap switch simultaneously and switch on the signal of charging, improved the security of charging.
In a second embodiment: the trigger element is arranged on a charging station bottom plate, and when the automatic walking equipment enters the station, the trigger element is pressed down due to the action of gravity to trigger the micro switch to be switched on.
The third embodiment is as follows: the trigger element can be matched with the electrode unit and arranged on the side wall or the top of the charging station, and the shell of the automatic walking equipment collides with the trigger element to generate displacement, so that the microswitch is triggered to be closed.
The inner end of each of the above-described trigger elements 8 may be further provided with a position returning device formed of an elastic member 9 such as a spring or a hydro-elastic device, and the trigger element 8 is driven by the position returning device to return from the charging position to the standby position.
Taking the example of a triggering element 8 with a cylindrical structure surrounding the outer circumference of the electrode unit 4, the connecting end of this triggering element 8 can be arranged in particular in a cavity inside the charging station. A guide structure may be further disposed in the cavity, and the trigger element 8 may be disposed between an outer wall of the guide structure and an inner wall of the cavity, and may move along the outer wall of the guide structure to switch between the standby position and the charging position. In this structure, the elastic member may be specifically disposed at an inner end of the trigger element 8, and abuts between the trigger element 8 and an inner wall of the charging station cavity, so that the elastic potential energy drives the trigger element 8 to move outward and return to the standby position.
In the case of a charging station with two pole units 4, one triggering element 8 can be provided for each outer circumference of each pole unit 4, and at least one switching unit 7 can be provided on the path of movement of each triggering element 8. The switching units 7 are connected in series between the output circuits of the charging signals and are provided in the main power supply circuit of the charging station 2. Therefore, through the circuit hardware structure, the charging signal can be controlled to be output by the electrode unit only under the condition that all the switch units 7 are triggered to be conducted, and therefore the electrodes are prevented from being touched and electrified by mistake.
The utility model has the advantages that:
1. when the automatic walking equipment is in butt joint, the mechanical switch on the charging station is closed by direct touch, the main power supply line is connected, and manual operation control is not needed.
2. The telescopic trigger element is arranged outside the pole of the charging station and can be used to protect the pole while providing trigger detection.
3. Two electrodes can correspond two trigger elements respectively, and two trigger elements can correspond two mechanical switch respectively, and two mechanical switch establish in series on main supply circuit, utilize circuit hardware structure to make only two mechanical switch all be in under the on-state, the electrode unit just can obtain the signal of charging and charge. Therefore, the risk caused by the false triggering of the electrode unit can be avoided.
Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. A docking charging trigger device, comprising:
the trigger element (8) is arranged on the charging station (2) of the automatic walking equipment and can generate displacement under the interference action of the automatic walking equipment;
a switching unit (7) disposed on a moving path of the trigger element (8) for directly turning on or off a charging signal.
2. A docking charging triggering device according to claim 1, characterized in that the charging station (2) comprises an electrode unit (4) arranged inside the triggering element (8) for docking charging with a charging connector (6) of the self-propelled device.
3. A docking charging triggering device according to claim 2, characterized in that the triggering element (8) is moved by the interference of the self-propelled device from the standby position in the charging station (2) to the charging position in the charging station;
when the trigger element (8) moves to the charging position, the trigger switch unit (7) switches on the charging signal, and when the trigger element (8) is separated from the charging position, the charging signal of the switch unit (7) is switched off.
4. The docking charging trigger device of claim 3, wherein when the trigger element (8) moves to the charging position, the front end of the electrode unit (4) is located outside the trigger element (8), and the front end of the electrode unit (4) is docked with the charging connector (6) on the automatic walking device for charging;
when the trigger element (8) is located in a standby position outside the charging station (2), the front end of the electrode unit (4) is located inside the trigger element (8).
5. A docking charging trigger device according to claim 3 further comprising a position return device mounted at the inboard end of the trigger element (8) for driving the trigger element (8) from the charging position back to the standby position.
6. A docking charge triggering device according to claim 5 characterised in that said position restoring means is a resilient member (9).
7. A docking charging trigger device according to claim 2 characterised in that the trigger element (8) is a cylindrical structure which surrounds the periphery of the electrode unit (4).
8. A docking charging triggering device according to claim 7, characterized in that the charging station comprises two electrode units (4), the triggering element (8) is arranged on the periphery of each electrode unit (4), the switch unit (7) is arranged on the moving path of each triggering element (8), and the two switch units (7) are connected in series in the output circuit of the charging signal.
9. A docking charging triggering device according to claim 1, characterized by the switching unit (7) which is arranged on the main supply circuit of the charging station (2).
10. A docking charge triggering device according to claim 8 characterised in that the connecting end of the triggering element (8) is arranged in a cavity inside the charging station, in which cavity a guiding structure is also arranged, the triggering element (8) being arranged between the outer wall of the guiding structure and the inner wall of the cavity.
11. A docking charging triggering device according to claim 1, characterized in that the triggering element (8) and the electrode unit (4) are arranged at the bottom, front, side walls or top of the charging station.
12. A docking charging trigger device according to claim 1, characterized in that the switching unit (7) comprises one or a combination of a micro switch, an electrical switch or a mechanical switch.
13. A charging station for self-propelled equipment, wherein the docking charging trigger device of any one of claims 1-12 is provided in the charging station.
14. A mowing system comprising a self-propelled device and a charging station capable of being docked for charging with the self-propelled device, wherein the docking charging triggering device according to any one of claims 1 to 12 is provided in the charging station.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021967903.4U CN212304843U (en) | 2020-09-10 | 2020-09-10 | Docking charging trigger device, charging station of automatic walking equipment and mowing system |
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| CN202021967903.4U CN212304843U (en) | 2020-09-10 | 2020-09-10 | Docking charging trigger device, charging station of automatic walking equipment and mowing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220268070A1 (en) * | 2021-02-24 | 2022-08-25 | Thermo Fisher Scientific (Shanghai) Instruments Co., Ltd. | Feedback mechanism for biological safety cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220268070A1 (en) * | 2021-02-24 | 2022-08-25 | Thermo Fisher Scientific (Shanghai) Instruments Co., Ltd. | Feedback mechanism for biological safety cabinet |
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