CN109950965A - Electric tool - Google Patents
Electric tool Download PDFInfo
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- CN109950965A CN109950965A CN201711391334.6A CN201711391334A CN109950965A CN 109950965 A CN109950965 A CN 109950965A CN 201711391334 A CN201711391334 A CN 201711391334A CN 109950965 A CN109950965 A CN 109950965A
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- Prior art keywords
- packet interface
- battery
- battery packet
- battery pack
- power
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Abstract
This application involves a kind of electric tools, comprising: main body；Power-supplying circuit is set in main body, for controlling the on-off of operating circuit；First battery packet interface and the second battery packet interface, the first battery packet interface and the second battery packet interface are arranged in main body, and the first battery packet interface is connect with the power-supplying circuit；Control unit is connect with the second battery packet interface, to control the connection and disconnection of the second battery packet interface Yu the power-supplying circuit；When the first battery packet interface accesses battery pack, described control unit controls the second battery packet interface and the power-supplying circuit disconnects；When the first battery packet interface does not access battery pack, described control unit controls the second battery packet interface and connect with the power-supplying circuit.Above-mentioned electric tool can two kinds of battery packs of grafting simultaneously, work at the same time two kinds of battery packs can not when accessing circuit by the way that control unit is arranged, ensure circuit safety.
Description
Technical field
The present invention relates to a kind of Horticultural apparatus, more particularly to a kind of electric tool.
Background technique
Currently, the power source for electric tool uses rechargeable battery packet more and more.Rechargeable battery packet passes through dedicated
Interface is powered to electric tool.With the increase of workload, the power of electric tool also becomes big.In order to meet energy source electricity
The discharge capability in pond is powered using Backpack type battery to electric tool.
In general, Backpack type battery utilizes the special purpose interface of existing battery pack, pass through an adapter with same-interface
Electric tool is connected, or electric tool is connected by Backpack type battery special purpose interface.
During realizing traditional technology, it is found by the applicant that:
Due to only one battery packet interface of current electric tool, battery pack and Backpack type battery can not be accessed simultaneously,
It is inconvenient for use.
Summary of the invention
Based on this, it is necessary to aiming at the problem that current electric tool can not access battery pack and Backpack type battery simultaneously,
A kind of electric tool is provided.
A kind of electric tool, comprising:
Main body；
Power-supplying circuit is set in main body, for controlling the on-off of operating circuit；
First battery packet interface and the second battery packet interface, the first battery packet interface and second battery pack connect
Mouth is respectively provided on the body, and the first battery packet interface is connect with the power-supplying circuit；
Control unit is connect with the second battery packet interface, to control the second battery packet interface and the confession
The connection and disconnection of electric control circuit；
When the first battery packet interface accesses battery pack, described control unit control the second battery packet interface with
The power-supplying circuit disconnects；
When the first battery packet interface does not access battery pack, described control unit controls the second battery packet interface
It is connect with the power-supplying circuit.
The first battery packet interface and the second battery packet interface are equipped on above-mentioned electric tool simultaneously, two kinds of electricity can be accessed simultaneously
Chi Bao.By the way that control unit is arranged, when the first battery packet interface accesses battery pack, control unit can control the second battery pack to connect
When mouth is disconnected from the circuit or the first battery packet interface does not access battery pack, control unit controls the second battery packet interface and electricity
Road connection.So will not interact between battery pack, and then ensure electricity when two battery packet interfaces access battery treasured simultaneously
Road safety.
Described control unit includes mechanical trigger switch in one of the embodiments,.
The mechanical trigger switch is arranged in main body in one of the embodiments, the mechanical trigger switch
Including mandril, the elastic reseting part connecting with the mandril, the first switch with mandril triggering connection, described first is opened
Connection connects the second battery packet interface；
When the first battery packet interface accesses battery pack, the mandril is pushed to be located at first position, the mandril pushes away
The first switch shutdown is moved, and then disconnects the second battery packet interface and the power-supplying circuit；
When the first battery packet interface does not access battery pack, the mandril is under the action of the elastic reseting part
Positioned at the second position, the first switch is in closed state, and the second battery packet interface is accessed the power supply control
Circuit.
The elastic reseting part includes spring in one of the embodiments,.
The first battery packet interface connects Backpack type battery in one of the embodiments, and second battery pack connects
Mouth connection battery pack.
Described control unit includes: in one of the embodiments,
Electronic switch connects the second battery packet interface and the power-supplying circuit；
Detection module, to detect whether the first battery packet interface accesses battery pack；
Control module, to control the shutdown and closure of the electronic switch according to testing result；
Wherein, when the first battery packet interface accesses battery pack, the control module controls the electronic switch and closes
It is disconnected, cut off the connection of the second battery packet interface and the host；
When the first battery packet interface does not access battery pack, the control module controls the electronic switch closure,
The second battery packet interface is connect with the host.
The detection module includes the pressure sensor positioned at the first battery pack interface in one of the embodiments,
To detect the pressure signal of battery pack.
The detection module includes positioned at the contactless of the first battery pack interface in one of the embodiments,
Detection unit.
The detection module includes moment pressure drop detection means in one of the embodiments, when the moment pressure drop is examined
When survey device detects moment pressure drop signal, the control module controls the electronic switch shutdown.
The main body includes shell in one of the embodiments, the first battery packet interface and second battery
Packet interface is arranged outside the shell, and described control unit is located in the shell portion.
Detailed description of the invention
Fig. 1 is electric tool schematic diagram provided by the present application；
Fig. 2 is power-supplying circuit when the first battery packet interface that one embodiment of the application provides does not access battery pack
Schematic diagram；
Fig. 3 is that power-supplying circuit shows when the first battery packet interface that one embodiment of the application provides accesses battery pack
It is intended to；
Fig. 4 is the Backpack type battery cables plug structure diagram that one embodiment of the application provides；
Fig. 5 is the electric tool cable socket structure chart that the preferred embodiment of the application provides；
Fig. 6 is that the Backpack type battery cables plug that the application one embodiment provides accesses electric tool cable socket structure
Figure；
Fig. 7 is the control unit module map that one embodiment of the application provides.
Wherein:
100 electric tool, 300 cable plug
110 main body, 310 threaded cap
120 power-supplying circuit, 320 jack
130 first battery packet interface, 330 top surface
140 second battery packet interface, 400 cable socket
150 control unit, 410 lock pin
210 mandril, 510 electronic switch
220 elastic reseting part, 520 control module
230 first switch, 530 detection module
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Figure 1, one embodiment of the application provides a kind of electric tool 100, comprising: main body 110；It is arranged in master
Power-supplying circuit 120 in body 110, to control the on-off of operating circuit；First battery packet interface 130 and the second battery pack
Interface 140 is arranged in main body 110, wherein the first battery packet interface 130 is connect with power-supplying circuit；Control unit 150
It is connect with the second battery packet interface 140, for controlling company's make and break of the second battery packet interface 140 and power-supplying circuit 120
It opens.When the first battery packet interface 130 accesses battery pack, control unit 150 controls the second battery packet interface 140 and power supply control
Circuit 120 disconnects.When the first battery packet interface 130 does not access battery pack, control unit 150 controls the second battery packet interface
140 connect with power-supplying circuit 120.
Two different battery packet interfaces are arranged in above-mentioned electric tool, can access in power-supplying circuit.Wherein, second
Battery packet interface 140 is optionally connect with power-supplying circuit.When the first battery packet interface 130 accesses battery pack, control
Unit 150 processed disconnects the second battery packet interface 140 with power-supplying circuit 120；When not accessing for the first battery packet interface 130
When battery pack, the second battery packet interface 140 is connect with power-supplying circuit 120.Two kinds of battery packet interfaces of electric tool can be same
When access battery pack, under the action of control unit 150, two kinds of battery packs can not be worked at the same time, therefore energy between the two is not
Have conflict.
In a preferred embodiment, control unit 150 can be mechanical trigger switch.When the first battery packet interface
When 130 access battery pack, mechanical trigger switch shutdown, so that the second battery packet interface 140 and power-supplying circuit 120 are disconnected
It opens；When the battery pack of the first battery packet interface 130 does not access battery pack, mechanical trigger switch closure, so that the second battery
Packet interface 140 is connect with power-supplying circuit 120.
Fig. 2 is referred to, mechanical trigger switch includes: mandril 210 in one of the embodiments,；It is connect with mandril 210
Elastic reseting part 220；The first switch 230 connecting with mandril 210, first switch 230 connect the second battery packet interface
140.When the first battery packet interface 130 does not access battery pack, mandril 210 is in first position, and first switch 230 is closed form
State, at this point, in the second battery packet interface 140 access power-supplying circuit 120.If the second battery packet interface 140 installs battery pack,
It can power for the motor of electric tool.
Fig. 3 is referred to, when the first battery packet interface 130 accesses battery pack, the plug of battery pack pushes mandril 210 to be in
The second position, first switch 230 turn off, the second battery packet interface 140 are disconnected with power-supplying circuit 120.At this point, the first electricity
The battery pack that pond packet interface 130 is connect is motor power supply.When mandril 210 is in the second position, the elasticity that is connect with mandril 210
Deformation occurs under the action of mandril 210 for reset components 220.When the battery pack that the first battery packet interface 130 is connect is extracted, top
Bar 210 is located at first position under the elastic force effect of elastic reseting part 220, and first switch 230 is closed, so that the second battery pack
Interface 140 accesses circuit.When the first battery packet interface 130 and the second battery packet interface 140 access battery pack simultaneously, mandril
210 pass through the shutdown and closure of control first switch 230, to control the second battery packet interface 140 and power-supplying circuit 120
It disconnects and connect, so that the energy of battery pack does not conflict when two battery packs being made all to access circuit, protect operating circuit and electricity
Chi Bao.
The first battery packet interface 130 can be Backpack type battery private cable interface in one of the embodiments, be used for
Connect Backpack type battery.Second battery packet interface 140 can be common batteries packet special purpose interface, for connecting common batteries packet.
Specifically, hollow installation cavity can be set in the second battery packet interface 140, for installing battery pack.Installation cavity
Inside it is provided with the battery folders of fixed battery pack.Meanwhile positive terminal and negative terminal are additionally provided in installation cavity, for connecting
The anode and cathode of battery pack.First battery packet interface 130 can be four cores or five-core cable socket, be used for and Backpack type battery
Plug mating.
More specifically, Fig. 4 and Fig. 5 are referred to, the first battery pack that electric tool has in one of the embodiments, connects
Mouth 130 is cable socket 400 as shown in Figure 5, can connect the Backpack type battery with cable plug 300 as shown in Figure 4.
The cable plug 300 is circle.Cable plug 300 includes: threaded cap 310；Jack 320 inside threaded cap 310 is set；Position
Top surface 330 among several jacks 320, for pushing mandril 210 that mandril 210 is made to be located at the second position.With cable plug 300
The cable socket 400 of mating includes: lock pin 410, for matching jointing holes 320；Mandril 210 can move under the action of top surface 330
It is dynamic；Elastic reseting part 220 is connect with 210 one end of mandril, deformation can be generated when mandril 210 moves, when external impetus is removed
The elastic force that deformation generates can be acted on into mandril 210 when pin, mandril 210 is made to return to first position；First switch 230, first
The electric wire at 230 both ends of switch connects the second battery packet interface 140, first switch 230 can be disconnected under the action of mandril 210 or
Closure, so that the second battery packet interface 140 is disconnected or be connect with power-supplying circuit 120.
Fig. 6 is referred to, when cable plug 300 is inserted into cable socket 400, lock pin 410 is contacted with jack 320, Backpack type
The electric current of battery flows into power-supplying circuit 120 by lock pin 410.At this point, top surface 330 pushes mandril 210 that mandril is made to be located at the
Two positions.Under the action of mandril 210, first switch 230 is turned off.The second battery packet interface 140 being connect with first switch 230
It is disconnected with power-supplying circuit, therefore the battery pack for being inserted into the second battery packet interface 140 can not fill for power-supplying circuit 120
Electricity.When Backpack type battery is extracted, top surface 330 is applied to the external force revocation of mandril 210, and mandril 210 is in elastic reseting part 220
Elastic force effect under return to first position, first switch 230 is closed.The second battery packet interface 140 being connect with first switch 230
Power-supplying circuit 120 is connected, the battery pack of 140 grafting of the second battery packet interface can charge for power-supplying circuit 120.
Optionally, elastic reseting part 220 can be spring.
Fig. 7 is referred to, in another preferred embodiment, control unit may include: electronic switch 510, connection the
Two battery packet interfaces 130；Detection module 530, for detecting whether the first battery packet interface accesses battery pack；Control module 520,
For controlling the disconnection and closure of electronic switch according to the testing result of detection module 530.When detection module 530 detects first
When battery packet interface 130 accesses battery pack, control module 520 controls electronic switch 510 and turns off, thus by the second battery packet interface
140 disconnect with power-supplying circuit 120.When detection module 530 detects that the battery pack of the first battery packet interface 130 access is extracted
When, control module 520 controls electronic switch 510 and is closed, so that the second battery packet interface 140 be connected with power-supplying circuit 120
It connects.
Optionally, electronic switch 510 can be relay or MOS transistor.
Detection module 530 can be pressure sensor in one of the embodiments,.Pressure sensor is located at the first battery
At packet interface.When the first battery packet interface grafting battery pack, after pressure sensor senses the pressure that plug applies, by pressure
Signal is converted to electric signal and is passed to control module 520.Control module 520 controls electronic switch 510 and turns off.When the first battery pack connects
When the battery packs that mouth 130 is connect are extracted, the pressure being applied on pressure sensor disappears, and pressure sensor sends a signal to control
Module 520.Control module 520 controls electronic switch 510 and is closed.
Detection module 530 can be non-touch detection unit in one of the embodiments,.Non-touch detection unit
At the first battery packet interface 130.When the first battery packet interface 130 accesses battery pack, non-touch detection unit induction
To the access of battery pack, control module 520 is sent a signal to.Control module 520 controls electronic switch 510 and turns off.When the first electricity
When the battery pack that pond packet interface 130 is connect is extracted, non-touch detection unit senses the extraction of battery pack, sends a signal to control
Molding block 520.Control module 520 controls electronic switch 510 and is closed.
Optionally, above-mentioned non-touch detection unit can be photoelectric sensor or magnetic sense switch.
Detection module 530 can be moment pressure drop detection means in one of the embodiments,.Moment pressure drop detection means
It is mounted on the both ends of the first battery packet interface 130.When 130 grafting battery pack of the first battery packet interface, moment voltage drop detection dress
The moment pressure drop for detecting 130 both ends of the first battery packet interface is set, control module 520 is sent a signal to.Control module 520 controls
Electronic switch 510 turns off.When the battery pack for being mounted on the first battery packet interface 130 is extracted, the detection of moment pressure drop sensing device
To moment pressure drop, control module 520 is sent a signal to, control module 520 controls electronic switch 510 and is closed.
Optionally, control module 520 can be single-chip microcontroller.
Main body 110 includes shell in one of the embodiments,.First battery packet interface 130 and the second battery packet interface
Outside the shell, control unit is arranged inside the housing for 140 settings.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of electric tool characterized by comprising
Main body；
Power-supplying circuit is set in main body, for controlling the on-off of operating circuit；
First battery packet interface and the second battery packet interface, the first battery packet interface and the second battery packet interface are equal
On the body, the first battery packet interface is connect with the power-supplying circuit for setting；
Control unit is connect with the second battery packet interface, to control the second battery packet interface with described for automatically controlled
The connection and disconnection of circuit processed；
When the first battery packet interface accesses battery pack, described control unit control the second battery packet interface with it is described
Power-supplying circuit disconnects；
When the first battery packet interface does not access battery pack, described control unit controls the second battery packet interface and institute
State power-supplying circuit connection.
2. electric tool according to claim 1, which is characterized in that described control unit includes mechanical trigger switch.
3. electric tool according to claim 2, which is characterized in that the mechanical trigger switch is arranged in main body,
The mechanical trigger switch includes mandril, the elastic reseting part connecting with the mandril, with mandril triggering connection
First switch, the first switch connect the second battery packet interface；
When the first battery packet interface accesses battery pack, the mandril is pushed to be located at first position, the mandril pushes institute
First switch shutdown is stated, and then disconnects the second battery packet interface and the power-supplying circuit；
When the first battery packet interface does not access battery pack, the mandril is located under the action of the elastic reseting part
The second position, the first switch is in closed state, and the second battery packet interface is accessed the power-supplying circuit.
4. electric tool according to claim 3, which is characterized in that the elastic reseting part includes spring.
5. electric tool according to claim 1, which is characterized in that the first battery packet interface connection Backpack type electricity
Pond, the second battery packet interface connect battery pack.
6. electric tool according to claim 1, which is characterized in that described control unit includes:
Electronic switch connects the second battery packet interface and the power-supplying circuit；
Detection module, to detect whether the first battery packet interface accesses battery pack；
Control module, to control the shutdown and closure of the electronic switch according to testing result；
Wherein, when the first battery packet interface accesses battery pack, the control module controls the electronic switch shutdown, cuts
Break the connection of the second battery packet interface and the host；
When the first battery packet interface does not access battery pack, the control module controls the electronic switch closure, by institute
The second battery packet interface is stated to connect with the host.
7. electric tool according to claim 6, which is characterized in that the detection module includes being located at the first battery pack to connect
Pressure sensor at mouthful, to detect the pressure signal of battery pack.
8. electric tool according to claim 6, which is characterized in that the detection module includes being located at first battery
Non-touch detection unit at packet interface.
9. electric tool according to claim 6, which is characterized in that the detection module includes moment voltage drop detection dress
It sets, when the moment pressure drop detection means detect moment pressure drop signal, the control module controls the electronic switch and closes
It is disconnected.
10. electric tool according to claim 1, which is characterized in that the main body includes shell, first battery pack
Outside the shell, described control unit is located in the shell portion for interface and the second battery packet interface setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391334.6A CN109950965A (en) | 2017-12-21 | 2017-12-21 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391334.6A CN109950965A (en) | 2017-12-21 | 2017-12-21 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109950965A true CN109950965A (en) | 2019-06-28 |
Family
ID=67004586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391334.6A Pending CN109950965A (en) | 2017-12-21 | 2017-12-21 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109950965A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847258A (en) * | 2019-11-12 | 2021-05-28 | 苏州宝时得电动工具有限公司 | Hand-held electric tool |
| EP4376253A1 (en) * | 2022-09-14 | 2024-05-29 | Techtronic Cordless GP | Wearable device having battery pack bank and adaptor |
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| CN101476418A (en) * | 2008-01-03 | 2009-07-08 | 翟达 | Self-resetting intelligent rotating lock core with power supply from key, and its matched lockset and key |
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| CN112847258A (en) * | 2019-11-12 | 2021-05-28 | 苏州宝时得电动工具有限公司 | Hand-held electric tool |
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| US12080905B2 (en) | 2022-09-14 | 2024-09-03 | Techtronic Cordless Gp | Wearable device having battery pack bank and adaptor |
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