CN115225150A - Multi-head electric tool and working assembly identification method thereof - Google Patents
Multi-head electric tool and working assembly identification method thereof Download PDFInfo
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- CN115225150A CN115225150A CN202110403247.8A CN202110403247A CN115225150A CN 115225150 A CN115225150 A CN 115225150A CN 202110403247 A CN202110403247 A CN 202110403247A CN 115225150 A CN115225150 A CN 115225150A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 93
- 239000013307 optical fiber Substances 0.000 claims description 71
- 238000002360 preparation method Methods 0.000 claims 2
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000013138 pruning Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
Abstract
The invention discloses a multi-head electric tool and a working assembly identification method thereof, wherein the electric tool comprises: a power assembly for mounting at least one working assembly; the working assembly is used for working under the driving of the power assembly; the driving motor drives the working assembly arranged on the power assembly to work; a power supply device for supplying electric power to the drive motor; the controller is used for controlling the driving motor to rotate according to a target control program matched with the working assembly; the working assembly is provided with an optical signal output device, and the optical signal output device is used for outputting an assembly signal carrying identification information of the working assembly; the power assembly is provided with an optical signal receiving device, and the optical signal receiving device is used for receiving the assembly signal and identifying the working assembly identification information in the assembly signal; the controller can obtain the identification information of the working assembly; and extracting a target control program matched with the identification information of the working assembly, and controlling the driving motor to rotate according to the target control program so as to drive the working assembly to work.
Description
Technical Field
The invention relates to the technical field of electric tools, in particular to a multi-head electric tool and a working assembly identification method thereof.
Background
The multi-head electric tool is a popular electric tool in the market, the main body of the tool is a power component, and one power component can be matched with various working components for working, such as a pruning machine, a cultivator, an edge grinding machine, a snow scraper, a blower, an electric saw and the like.
However, the existing power assembly cannot distinguish different working assemblies when being adapted to various working assemblies, and the same control program is adopted to control the different working assemblies to work, so that some working assemblies are not in the optimal working state, and the functions are single.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a multi-head electric tool which can match corresponding target control programs for different working assemblies and enable each working assembly to achieve the optimal working state.
In order to achieve the above object, the present invention adopts the following technical solutions:
a multi-headed power tool comprising: a power assembly for mounting at least one working assembly; the working assembly is driven by the power assembly to work; the driving motor is used for driving the working assembly arranged on the power assembly to work; a power supply device for supplying electric power to the drive motor; the controller is used for controlling the driving motor to rotate according to a target control program matched with the working assembly; the optical signal output device is used for outputting a component signal carrying identification information of the working component; the power assembly is provided with an optical signal receiving device, and the optical signal receiving device is used for receiving the assembly signal and identifying the working assembly identification information in the assembly signal; the controller is configured to: acquiring the identification information of the working assembly; and extracting a target control program matched with the identification information of the working assembly, and controlling the driving motor to rotate according to the target control program so as to drive the working assembly to work.
Further, the optical signal output device comprises a light wave transmitting device, and the optical signal receiving device comprises a light wave receiving device; the light wave emitting device emits a light signal having a certain frequency or light intensity.
Further, the optical signal output device comprises an optical fiber transmitting device, and the optical signal receiving device comprises an optical fiber receiving device; the optical fiber transmitting device and the optical fiber receiving device establish connection based on an optical fiber interface.
Further, after the working assembly is mounted on the power assembly, the optical fiber transmitting device converts an electrical signal carrying identification information of the working assembly into an optical signal, and outputs the optical signal to the optical fiber receiving device; and the optical fiber receiving device receives the optical signal and converts the optical signal into an electric signal so as to identify the identification information of the working assembly in the electric signal.
Further, the work assembly includes: a power supply unit capable of supplying power to the optical fiber launch device; the multi-head electric tool further includes: the power-on triggering structure is arranged on the power assembly and is used for triggering a power supply unit on the working assembly to output electric power when the working assembly is arranged on the power assembly so as to power on the optical fiber launching device; and after the optical fiber transmitting device is electrified, converting an electric signal carrying the identification information of the working assembly into an optical signal, and outputting the optical signal to the optical fiber receiving device.
Further, the power assembly includes: the wireless charging transmitting unit is used for transmitting power to the wireless charging receiving unit; the work assembly includes: the wireless charging receiving unit is used for supplying power to the optical fiber transmitting device; the wireless charging device is characterized in that after the wireless charging receiving unit supplies power to the optical fiber transmitting device, the optical fiber transmitting device converts an electric signal carrying identification information of the working assembly into an optical signal and outputs the optical signal to the optical fiber receiving device.
Further, the method also comprises the following steps: the connecting terminal is arranged on the power assembly and is electrically connected with the connecting terminal on the working assembly when the working assembly is arranged on the power assembly, so that the power supply device can electrify the optical fiber launching device based on the electrical connection; and after the optical fiber transmitting device is powered on, converting the electric signal carrying the identification information of the working assembly into an optical signal, and outputting the optical signal to the optical fiber receiving device.
Further, the work component identification information includes a work component model or a kind.
A method of identifying a working assembly for a multi-headed power tool, the power tool including a power assembly for mounting at least one working assembly; the working assembly is driven by the power assembly to work; the driving motor is used for driving the working assembly arranged on the power assembly to work; a power supply device for supplying electric power to the drive motor; the controller is used for controlling the driving motor to rotate according to a target control program matched with the working assembly; the power assembly is provided with an optical fiber receiving device, the working assembly is provided with an optical fiber transmitting device, and the method comprises the following steps: acquiring an optical signal sent by the optical fiber transmitting device, wherein the optical signal carries working assembly identification information of the working assembly; identifying operational component identification information in the optical signal; and extracting a target control program matched with the identification information of the working assembly, and controlling the driving motor to rotate according to the target control program so as to drive the working assembly to work.
Further, after the working assembly is mounted on the power assembly, the optical fiber transmitting device converts an electrical signal carrying identification information of the working assembly into an optical signal, and outputs the optical signal to the optical fiber receiving device; and the optical fiber receiving device receives the optical signal and converts the optical signal into an electric signal so as to identify the identification information of the working assembly in the electric signal.
The invention has the advantages that: the transceiver capable of transmitting optical signals is respectively arranged on the working assembly and the power assembly, so that the power assembly can identify the type or model of the working assembly in an optical communication mode, and then outputs a corresponding target control program to control the working assembly to work, and the currently installed working assembly achieves the optimal working state.
Drawings
FIG. 1 is a schematic view of a multi-headed power tool according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a multi-head power tool in one embodiment;
FIG. 3 is a schematic circuit diagram of a multi-head power tool in one embodiment;
FIG. 4 is a schematic circuit diagram of a multi-head power tool in one embodiment;
FIG. 5 is a flow chart of a method of controlling one embodiment of the nailer.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
As shown in fig. 1 and 2, the multi-head electric tool of the embodiment comprises a power assembly 100 and a working assembly 200, wherein the power assembly 100 comprises a holding part 101, an operation switch 102, a power supply device 103 and a first connecting part 104; the working assembly 200 comprises a second connecting portion 201, a connecting rod 202 and a working head 203. Alternatively, the working assembly 200 may be the mower assembly shown in fig. 1, or may be a pruning assembly, a intertillage assembly, an edging assembly, a snow shoveling assembly, a blowing assembly, an electric saw assembly, or the like. It is understood that different work zones 200 can be installed in the power module 100 to perform different functions, for example, branch pruning can be performed by installing a pruning module, leaf blowing can be performed by installing a blowing module, grass cutting can be performed by installing a grass cutting module, and the like. In the present application, besides the first connection portion 104 and the second connection portion 201 realize the structural connection between the working assembly 200 and the power assembly 100 through a mechanical structure (such as a buckle, etc.), the first connection portion and the second connection portion are further provided with a connection terminal therein, so as to realize the electrical connection between the power assembly and the working assembly, and the power output by the battery pack is supplied to the driving motor 21 in the working assembly through the electrical connection. It should be noted that, when the user presses the operation switch 102, the power supply device 103 in the power assembly 100 supplies power to the controller 11 in the assembly, and simultaneously, the signal output device 22 in the working assembly is powered on and outputs an assembly signal through the above electrical connection, and simultaneously, the signal receiving device 12 in the power assembly 100 receives the assembly signal and identifies the identification information of the working assembly according to the assembly signal. Further, the controller 11 in the power assembly selects a target control program matched with the identification information of the working assembly to control the rotation of the driving motor 21. The target control program for the work module is a control program that can realize the optimum operation state of the work module.
In a specific implementation, referring to a control circuit block diagram of the multi-head tool shown in fig. 2, the working assembly 200 includes a driving motor 21, an optical signal emitting device 22 and a driving circuit 23, and the power assembly 100 includes a power supply device 103, a controller 11 and an optical signal receiving device 12.
When the working component 200 is electrically connected to the power component 100, the optical signal transmitter 22 may be powered on by the power supply device 103 in the power component 100, so that the optical signal transmitter 22 transmits a component signal carrying the identification information of the working component, and the optical signal receiver 12 in the power component 100 may receive the component signal and identify the identification information of the working component in the signal. The action component identification information may include a model or a category of the work component or any other identification information capable of uniquely representing the work component.
It is understood that the power supply device 103 in the power assembly 100 may be a battery pack or an ac mains supply, and the power supply device 103 may supply power to the controller 11 in the power assembly 100 and to the driving motor 21 in the working assembly when the power assembly and the working assembly are electrically connected.
The optical signal receiving device 12 is capable of establishing a data transmission channel with the optical signal transmitting device 22, and acquiring the component information output by the optical signal transmitting device 22 through the data transmission channel.
In one embodiment, the optical signal transmitting device 22 is an optical fiber transmitting device, the optical signal receiving device is an optical fiber receiving device, and an optical path is provided between the optical fiber transmitting device and the optical fiber receiving device, and the optical signal can be transmitted through the optical path. It can be understood that the optical fiber transmitting device can convert the electrical signal carrying the identification information of the working component into an optical signal and transmit the optical signal to the optical fiber receiving device through the optical path, and the optical fiber receiving device converts the received optical signal into the electrical signal and then identifies the identification information of the working component therein. It should be noted that, a communication connection needs to be established between the optical fiber transmitting device and the optical fiber receiving device through an optical fiber interface, that is, the optical fiber interfaces are respectively provided on the power assembly 100 and the working assembly 200.
In one embodiment, optical signal emitting device 22 is a lightwave emitting device and optical signal receiving device 12 includes a lightwave receiving device. The light wave signal receiving device can receive the light wave signals and determine the type or model of the working component according to the identified light information such as the frequency or the light intensity of the light wave signals. That is, the light wave signal transmitting device and the light wave signal receiving device do not need to establish optical communication through a hardware interface, and light waves are directly transmitted and received, and identification of working components is carried out according to information such as frequency or intensity of the light waves.
The driving circuit 23 can receive the control signal outputted from the controller 11, and change its own conduction state to control the currently installed operating interval 200, such as the rotation speed or rotation direction of the driving motor 21, so as to achieve the optimal operating state. Alternatively, the drive circuit 23 may be composed of one or more switching elements. For example, the drive circuit is constituted by a plurality of switching elements Q1 to Q6. Each gate terminal of the switching element is electrically connected to the controller 11 for receiving a control signal from the controller 11. Each drain or source of the switching element is connected to a stator winding of the drive motor 21. The switching elements Q1 to Q6 receive a control signal from the controller 11 to change respective conduction states, thereby changing the current applied to the stator winding of the drive motor by the power supply device. In one embodiment, the driver circuit 23 may be a three-phase bridge driver circuit including six controllable semiconductor power devices (e.g., FETs, BJTs, IGBTs, etc.). It is to be understood that the above-mentioned switching elements may also be any other type of solid-state switches, such as Insulated Gate Bipolar Transistors (IGBTs), bipolar Junction Transistors (BJTs) etc.
The controller 11 may acquire identification information of the working component recognized by the signal receiving apparatus, that is, the optical fiber receiving apparatus, and search a storage unit (not shown) for a target control program matching the identification information according to the identification information. It can be understood that the storage unit stores control programs corresponding to all working assemblies that the multi-head tool can be connected with, the working assemblies that the power assemblies are butted with are different, and corresponding target control programs are also different. Further, the controller 11 may control the on-state of the switching element in the driving circuit according to the control logic of the target control program to drive the driving motor to operate, so that the working assembly reaches the optimal working state. The optimal working state of the working assembly can be the highest working efficiency and the best user experience effect of a driving motor in the working assembly under the corresponding working condition.
In this embodiment, the working module and the power module communicate via an optical fiber to transmit identification information of the working module, so that the power module can select a corresponding control program according to the identification information to control the working module to achieve an optimal working state.
In another embodiment, as shown in fig. 3, the control circuit block diagram of the multi-head tool, the working assembly 200 includes a driving motor 21, an optical signal emitting device 22, a driving circuit 23 and a power supply unit 24, and the power assembly 100 includes a power supply device 103, a controller 11 and an optical signal receiving device 12. It should be noted that, in this embodiment, a power-on triggering structure (not shown) may also be provided on the power assembly, and this structure may trigger the power supply unit 24 on the working assembly to output power to supply power to the optical fiber launching device when the working assembly is mounted on the power assembly. That is, the power supply device 103 in the power module 100 does not need to supply power to the optical signal emitting device 22 of the working module 200, the optical signal emitting device 22 is supplied with power from the separate power supply unit 24, and the optical signal emitting device can emit module information as long as the working module is mounted on the power module. When the user presses the operation switch 102, the optical signal receiving device can identify the working component identification information in the component information, and the controller 11 can accordingly obtain the corresponding target control program to control the working component to work, so that the response time of the tool is prolonged on the basis of ensuring that the working component has the optimal working state.
The power supply unit 24 may be a button battery or other disposable or rechargeable battery. It will be appreciated that the signal receiving means in the power assembly may also be powered by another power supply unit 13 (not shown) in an independent power supply manner. Similarly, when the working assembly is mounted on the power assembly, the power-on triggering structure can trigger the power supply unit 24 and the power supply unit 13 to be powered on simultaneously, so that the optical signal emitting device and the optical signal receiving device are powered on simultaneously. Thus, the optical signal receiving apparatus has recognized the component identification of the currently installed working component before the user presses the operation switch. When the user presses the operation switch, the controller 11 can directly obtain the identification information of the working assembly, and accordingly, a corresponding target control program is searched to control the working assembly to work, so that the response time of the tool is further prolonged.
In still another embodiment, a control circuit block diagram of a multi-head tool is shown in fig. 4, the working assembly 200 includes a driving motor 21, an optical signal transmitting device 22, a driving circuit 23 and a wireless charging receiving unit 25, and the power assembly 100 includes a power supply device 103, a controller 11, an optical signal receiving device 12 and a wireless charging transmitting unit 14. Specifically, after the working assembly 200 is mounted on the power assembly 100 and the user presses the operation switch 102, the wireless charging transmitting unit 14 transmits power to the wireless charging receiving unit 25, so that the wireless charging receiving unit can supply power to the optical fiber transmitting device 22. Therefore, after the optical fiber transmitting device is powered on, the electric signal carrying the identification information of the working assembly is converted into an optical signal, and the optical signal is output to the optical fiber receiving device. After receiving the optical signal, the optical fiber receiving device converts the optical signal into an electrical signal and identifies the identification information of the working component therein, and then the controller 11 can acquire the identification information and search a corresponding target control program to control the working component to work.
In this embodiment, the wireless charging transmitting unit and the wireless charging receiving unit may perform wireless charging by using electromagnetic induction, magnetic field resonance, or radio waves. Through the wireless charging mode, the condition that tool information transmission is unstable due to friction of the power-on trigger unit or transmission is unstable due to damage of the connecting terminal is avoided.
In the above embodiments, the signal transmitting devices are all optical fiber transmitting devices, and the signal receiving devices are all optical fiber receiving devices. Other optical signal transmitting and receiving devices that are similar or capable of performing the above-described functions are also within the scope of the present application.
A control method of a multi-head electric tool will be described below with reference to fig. 5, the method including the steps of:
s101, acquiring an optical signal sent by an optical fiber transmitting device.
S102, identifying the working assembly identification information in the optical signal.
And S103, extracting the target control program matched with the working component identification information.
And S104, controlling the driving motor to rotate according to the target control program so as to drive the working assembly to work.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A multi-headed power tool comprising:
a power assembly for mounting at least one working assembly;
the working assembly is driven by the power assembly to work;
the driving motor is used for driving the working assembly arranged on the power assembly to work;
a power supply device for supplying electric power to the drive motor;
the controller is used for controlling the driving motor to rotate according to a target control program matched with the working assembly;
it is characterized in that the preparation method is characterized in that,
the working assembly is provided with an optical signal output device, and the optical signal output device is used for outputting an assembly signal carrying identification information of the working assembly;
the power assembly is provided with an optical signal receiving device, and the optical signal receiving device is used for receiving the assembly signal and identifying the working assembly identification information in the assembly signal;
the controller is configured to:
acquiring the identification information of the working assembly;
and extracting a target control program matched with the identification information of the working assembly, and controlling the driving motor to rotate according to the target control program so as to drive the working assembly to work.
2. The multi-headed power tool according to claim 1,
the optical signal output device comprises a light wave transmitting device, and the optical signal receiving device comprises a light wave receiving device;
the light wave emitting device emits a light wave signal with a certain frequency or light intensity.
3. The multi-headed power tool of claim 1,
the optical signal output device comprises an optical fiber transmitting device, and the optical signal receiving device comprises an optical fiber receiving device;
the optical fiber transmitting device and the optical fiber receiving device are connected based on an optical fiber interface.
4. The multi-headed power tool according to claim 3,
after the working assembly is arranged on the power assembly, the optical fiber transmitting device converts an electric signal carrying identification information of the working assembly into an optical signal and outputs the optical signal to the optical fiber receiving device;
and the optical fiber receiving device receives the optical signal and converts the optical signal into an electric signal so as to identify the identification information of the working assembly in the electric signal.
5. The multi-headed power tool of claim 4,
the work assembly includes:
a power supply unit capable of supplying power to the optical fiber launching device;
the multi-head electric tool further includes:
the power-on triggering structure is arranged on the power assembly and is used for triggering a power supply unit on the working assembly to output electric power when the working assembly is arranged on the power assembly so as to power on the optical fiber launching device;
and after the optical fiber transmitting device is powered on, converting the electric signal carrying the identification information of the working assembly into an optical signal, and outputting the optical signal to the optical fiber receiving device.
6. The multi-headed power tool according to claim 4,
the power assembly includes:
the wireless charging transmitting unit is used for transmitting power to the wireless charging receiving unit;
the work assembly includes:
the wireless charging receiving unit is used for supplying power to the optical fiber transmitting device;
it is characterized in that the preparation method is characterized in that,
after the wireless charging receiving unit supplies power to the optical fiber transmitting device, the optical fiber transmitting device converts an electric signal carrying the identification information of the working assembly into an optical signal and outputs the optical signal to the optical fiber receiving device.
7. The multi-headed power tool of claim 4,
further comprising:
the connecting terminal is arranged on the power assembly so as to be electrically connected with the connecting terminal on the working assembly when the working assembly is installed on the power assembly, so that the power supply device can electrify the optical fiber launching device based on the electrical connection;
and after the optical fiber transmitting device is powered on, converting the electric signal carrying the identification information of the working assembly into an optical signal, and outputting the optical signal to the optical fiber receiving device.
8. The power tool of claim 1,
the work component identification information includes a work component model or category.
9. A method of identifying working components for a multi-headed power tool, the power tool including a power assembly for mounting at least one working component; the working assembly is driven by the power assembly to work; the driving motor is used for driving the working assembly arranged on the power assembly to work; a power supply device for supplying electric power to the drive motor; the controller is used for controlling the driving motor to rotate according to a target control program matched with the working assembly; the power assembly is provided with an optical fiber receiving device, and the working assembly is provided with an optical fiber transmitting device, and the method is characterized by comprising the following steps:
acquiring an optical signal sent by the optical fiber transmitting device, wherein the optical signal carries working assembly identification information of the working assembly;
identifying operational component identification information in the optical signal;
and extracting a target control program matched with the identification information of the working assembly, and controlling the driving motor to rotate according to the target control program so as to drive the working assembly to work.
10. The method of claim 9,
after the working assembly is arranged on the power assembly, the optical fiber transmitting device converts an electric signal carrying identification information of the working assembly into an optical signal and outputs the optical signal to the optical fiber receiving device;
and the optical fiber receiving device receives the optical signal and converts the optical signal into an electric signal so as to identify the identification information of the working assembly in the electric signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403247.8A CN115225150A (en) | 2021-04-15 | 2021-04-15 | Multi-head electric tool and working assembly identification method thereof |
| PCT/CN2022/081574 WO2022218094A1 (en) | 2021-04-15 | 2022-03-18 | Multi-head electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403247.8A CN115225150A (en) | 2021-04-15 | 2021-04-15 | Multi-head electric tool and working assembly identification method thereof |
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| CN115225150A true CN115225150A (en) | 2022-10-21 |
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| CN202110403247.8A Pending CN115225150A (en) | 2021-04-15 | 2021-04-15 | Multi-head electric tool and working assembly identification method thereof |
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