CN203831362U - Electric tool kit - Google Patents

Electric tool kit Download PDF

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Publication number
CN203831362U
CN203831362U CN201420202355.4U CN201420202355U CN203831362U CN 203831362 U CN203831362 U CN 203831362U CN 201420202355 U CN201420202355 U CN 201420202355U CN 203831362 U CN203831362 U CN 203831362U
Authority
CN
China
Prior art keywords
operate portions
electric tool
identification module
microcontroller
control circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420202355.4U
Other languages
Chinese (zh)
Inventor
李智海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Cleva Electric Appliance Co Ltd
Original Assignee
Suzhou Cleva Electric Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Cleva Electric Appliance Co Ltd filed Critical Suzhou Cleva Electric Appliance Co Ltd
Priority to CN201420202355.4U priority Critical patent/CN203831362U/en
Application granted granted Critical
Publication of CN203831362U publication Critical patent/CN203831362U/en
Priority to PCT/CN2015/074013 priority patent/WO2015161721A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F3/00Associations of tools for different working operations with one portable power-drive means; Adapters therefor

Abstract

An electric tool kit comprises at least one body and at least one working portion. The body and the working portion can be separated or connected in a matched mode. A control circuit is arranged in the body, the control circuit comprises a signal recognizing module, the signal recognizing module comprises a microcontroller, an identifying module is arranged in the working portion, and the signal recognizing module is in electric connection or wireless communication with the identifying module so that the microcontroller can recognize the working portion. The electric tool kit can recognize different working portions, therefore, different control methods can be adopted for the different working portions, electric tools can run safely and efficiently and meanwhile, the hardware cost is lowered.

Description

Suit electric tool
Technical field
The present invention relates to a kind of suit electric tool.
Background technology
Suit electric tool is a kind of electric tool assembly of replaceable operate portions, generally include a main body and a plurality of operate portions, separable or connect between main body and operate portions, in main body, power brick, motor and handle can be set, operate portions can be tool section, moving head or saw blade etc., user can select different operate portions to be connected with described main body according to different job requirements, thereby need not all be equipped with a traditional electric tool for every job requirement.Prior art has also disclosed multiple sleeve type electric tool, as US Patent No. 6181032 has disclosed a kind of scheme of replaceable operate portions, by specific structure, the handle with switch can be connected from different operate portions.But because different operate portions is different to the requirement of operating current and motor, therefore only change operate portions and may cause operate portions efficiently and safely must not carry out work.
Chinese Patent Application No. is that 200880104102.0 patent has disclosed a kind of electric tool system that comprises communication system, this communication system can exchange and the information such as the type of battery case instrument connected with each other, state, but this system is more complicated, and manufacturing cost is higher, is unfavorable for marketing.
Summary of the invention
The present invention is in order to solve the problem of prior art, a kind of suit electric tool is provided, comprise at least one main body, at least one operate portions, main body and operate portions are separable or connect, in described main body, be provided with control circuit, control circuit comprises signal identification module, and signal identification module comprises microcontroller, in described operate portions, is provided with identification module, described signal identification module and identification module, by being electrically connected or wireless telecommunications, make described microcontroller can obtain identification operate portions.
Attached technical scheme of the present invention below:
Preferably, described operate portions also comprises motor and working head, and described motor drives working head work.
Preferably, described identification module comprises sign resistance, and the resistance of the sign resistance in each operate portions is incomplete same.
Preferably, described identification module comprises a plurality of interfaces, and wherein having an interface at least is common interface, and when main body and operate portions connect, common interface and control circuit are electrically connected.
Preferably, described control circuit comprises sampling resistor, and it can be electrically connected with microcontroller and common interface respectively.
Preferably, described identification module comprises sensor, the working status parameter that it can collecting work portion.
Preferably, described signal identification module also comprises wireless signal receiver, and described identification module comprises wireless signal transmitter.
Preferably, described control circuit comprises Monitoring and Controlling module, and Monitoring and Controlling module and motor and microcontroller are electrically connected.
Preferably, described control circuit also comprises voltage monitoring module, and it is electrically connected with the power brick and the microcontroller that are arranged in main body, for monitoring the voltage of power brick.
Preferably, described main body is provided with the first connecting portion, and described operate portions is provided with the second connecting portion, and when the first connecting portion and the second connecting portion connect, identification module and control circuit are electrically connected.
Useful technique effect of the present invention: suit electric tool of the present invention can be identified different operate portions, thereby adopts different control methods for different operate portions, can move electric tool safely and efficiently, has reduced hardware cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment of the present invention suit electric tool.
Fig. 2 is another schematic diagram of the suit electric tool of the embodiment of the present invention one.
Fig. 3 is the schematic diagram of control circuit of the suit electric tool of the embodiment of the present invention one.
Fig. 4 is the schematic diagram of the suit electric tool of the embodiment of the present invention two.
Fig. 5 is the schematic diagram of the suit electric tool of the embodiment of the present invention three.
Fig. 6 is the schematic diagram of the suit electric tool of the embodiment of the present invention four.
Fig. 7 is the schematic diagram of the suit electric tool of the embodiment of the present invention five.
Fig. 8 is the flow chart of control method of the suit electric tool of the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Be that embodiment is set with electric tool as illustrated in fig. 1 and 2, it comprises main body 6 and operate portions 8, is provided with the first connecting portion 64, handle 63, switch 62 and power brick 61 in main body 6.Power brick 61 provides the work energy to electric tool, and operating personnel can grip electric tool by handle 63, and then console switch 62 starts electric tool.In main body 6, be also provided with control circuit 5, for controlling the running of electric tool.Described operate portions 8 comprises housing 83, the second connecting portion 84 and working head 85, and working head 85 is for operation, example as shown in Figure 1 be brush cutter, working head is the blade of rotation; If electric tool is shrub and hedge trimmer, that working head is tool section; If electric tool is reciprocating saw, working head is saw blade, and different electric tools is equipped with different working heads to adapt to different needs of work.In the housing 83 of operate portions, be provided with motor 82 and identification resistance 81(as shown in Figure 2), the connector that on the first connecting portion 64 and the second connecting portion 84, configuration can be electrically connected respectively, when the first connecting portion 64 and the second connecting portion 84 are connected, the control circuit in main body 6 can with operate portions 8 in motor and identification resistance be electrically connected.Described connector can be the form of male plug of the prior art and female plug, or the mode of contact connection, has had multiple implementation in prior art.Motor 82 drives working head 85 motions, because each working head all with motor, makes every kind of working head all can effectively work, guarantees that motor meets the working method of working head.If suit electric tool has a plurality of operate portions 8, the resistance of the identification resistance 81 in each operate portions 8 is arranged to incomplete same, for example reciprocating saw operate portions can arrange 10 kilohms, shrub and hedge trimmer operate portions can be arranged to 5 kilohms, when different operate portions is connected with main body, control circuit can identify different operating portion, thereby calls different circuit control modes according to the job requirement of different operating portion.
As shown in Figure 3, control circuit 5 comprises microcontroller 51, identification module 52, Monitoring and Controlling module 53, voltage monitoring module 54, power supply modular converter 55 and temperature collect module 56.Can setting program in microcontroller 51, for controlling the running of whole circuit.Described identification module 52 can be electrically connected with identification resistance 81, when the first connecting portion 64 is connected with the second connecting portion 84, identification module 52 is electrically connected with identification resistance 81, identification module 52 output voltage signals are to microcontroller, microcontroller is according to voltage signal and be preset in the preset value comparison in microcontroller, can identify operate portions.Microcontroller is according to the operate portions identifying; can call corresponding control program; change the work of other circuit modules; for example; if microcontroller 51 is identified as brush cutter by operate portions; control the operating current that described control circuit output is applicable to brush cutter, call the circuit protection parameter that is applicable to brush cutter, thereby operate portions more efficiently must be turned round with safety.Monitoring and Controlling module 53 is for detection of flowing through motor 82 electric currents, the current signal transfer sampling is judged to microcontroller, if current of electric higher than preset value, Monitoring and Controlling module 53 is cut off current of electric, prevent burn-down of electric motor, electric tool can be used safely.Voltage monitoring module 54 is for detection of power brick voltage, output power brick voltage signal is to microcontroller, microcontroller is by power brick voltage signal and preset value comparison, judge that whether power brick voltage is lower than preset value, if power brick voltage is lower than preset value, described in microprocessor control, Monitoring and Controlling module 53 is cut off current of electric.Power supply modular converter 55 is for powering to microcontroller.Temperature collect module 56 is for gathering the temperature of power brick, and when battery temperature is during higher than preset value, Monitoring and Controlling module 53 disconnects current of electric.In the present embodiment, microcontroller, by the varying voltage signal of receiving, can be judged different operate portions.
Be the second embodiment as shown in Figure 4, in the present embodiment, the control circuit 5 ' in main body 6 ' is provided with microcontroller 51 ' and sampling resistor 59 ', sampling resistor one end ground connection, and the other end and microcontroller are electrically connected.Operate portions 8 ' is provided with 4 interfaces, is respectively q, n, o, p.Wherein interface p is common port, and after main body and operate portions connect, interface p and sampling resistor 8 ' and microcontroller 51 ' are electrically connected, and sampling resistor can make microcontroller the pulse signal of feedback be detected.In different operating portion, in interface q, n, o, there is one to be electrically connected with interface p.For example, have 3 different operating portions to connect with main body 6 ' in the present embodiment, in the first operate portions, interface q and interface p are electrically connected, and interface m and interface o and interface p are not electrically connected.In the second operate portions, interface n and interface p are electrically connected, and interface q and interface o and interface p are not electrically connected.In the 3rd operate portions, interface o and interface p are electrically connected, and other two interfaces are not electrically connected with interface p.After main body 6 ' and the first operate portions connect, microcontroller 51 ' successively transmitted signal (as voltage pulse signal) is given interface q, n, o, owing to only having interface q and interface p to be electrically connected, therefore only send to the pulse signal of interface q just can receive feedback, single-chip microcomputer is according to feedback signal, according to default determining program, can determine that interface q and interface p are electrically connected, thereby determine that the operate portions connecting in main body is the first operate portions.According to the difference of operate portions quantity, the interface of varying number can be set, for example there are 5 operate portions, 6 interfaces can be set, wherein 1 is common interface.
Be the third embodiment as shown in Figure 5, control circuit 5 ' ' comprise microcontroller 5 ' '.Operate portions 8 ' ' be provided with sensor 88 ' ' and power supply 87 ' ', power supply is to sensor 88 ' ' power supply.After ' with operate portions 8 ' ' connects when main body 6 ', microcontroller 5 ' ' with sensor 88 ' ' is electrically connected, the motor startup of can switching on.Sensor 88 ' ' can collecting work portion the working status parameter such as rotating speed, electric current and power, then by these parameter feedbacks to microcontroller 5 ' ', microcontroller 5 ' ' according to the parameter signal of receiving, can judge which kind of working head in running, thus further working head is controlled.In the present embodiment, the main body of electric tool not only can be judged operate portions, and can obtain the working status parameter of operate portions, thereby can better to operate portions, control.
Be the 4th kind of embodiment as shown in Figure 6, in the present embodiment, main body and operate portions are identified by the mode of wireless communication apparatus is set, and main part and operate portions are without direct connection, and main part can identify operate portions.Main part is provided with wireless signal receiver 91, operate portions is provided with wireless signal transmitter 92, when user opens the sender unit in operate portions, signal receiver on main part is by the signal receiving, operate portions be can identify, thereby control program and the driver of corresponding operate portions called.Above-mentioned wireless communication apparatus can be at least one in the devices such as magnetic strength device (such as Hall element), RF receiving/transmission device, infrared transceiver device, optical communication device, approach switch.
Be illustrated in figure 7 the 5th kind of embodiment, the difference of the present embodiment and above-described embodiment is motor 82 to be arranged in main body 6, therefore a plurality of operate portions 8 can share a motor, motor can adopt brushless electric machine, it has the wider range of speeds, can carry out good control by program, to adapt to the performance requirement of different operating portion.RM between main body and operate portions can adopt the mode in above-described embodiment equally, and the power that motor provides passes to the working head (as the cutting blade of hay mover) in operate portions by transmission device.Transmission device can adopt clutch, clutch is for example set in main body, driven disc is set in operate portions, after operate portions is assembled in main body, driven by motor clutch rotates, the centrifugal-block of clutch is combined by frictional force with driven disc, thereby drives driven disc to rotate, and the working head in operate portions is rotated.Those skilled in the art are known, adopt other transmission devices to replace, and can realize transmission equally.
Be the flow chart of the control method of the present embodiment suit electric tool as shown in Figure 8, after main body 6 and operate portions 8 are set in together, in step a, which kind of operate portions what by microcontroller, judge access is, concrete determination methods is in description above.After starter motor, in step b, pass through Monitoring and Controlling module 53(as shown in Figure 3) sampling motor current value.In step c, microcontroller is by the preset value comparison of the motor current value sampling in step b and relevant work portion, if what for example in step a, microcontroller was judged access is brush cutter, in that step c just by sampling motor current value and the preset value comparison of brush cutter, dissimilar electric tool, its preset value may be different.TH1 in step c and UTH1 were respectively flow counter and flow counter only, if motor current value is greater than preset value, cross flow counter and add 1, if motor current value is no more than preset value, only flow counter adds 1, but full M TH1 and the UTH1 zero clearing of flow counter, the value of M can be determined according to designing requirement.Adding counter is in order to judge in steps d whether motor continues overcurrent, if continue overcurrent, disable motor, prevents potential safety hazard.In steps d, if the value of TH1 is greater than X, disable motor, if the value of TH1 is not more than X, returns to step c.The numerical value of X can be according to designing requirement setting, and for example X gets 100, disable motor after representing to detect over current of motor and surpassing 100 times.The mode that increases counter is over preset value, just to cause motor to close in order to prevent that current of electric fluctuates once in a while, affects electric tool and normally works.Above-mentioned control method makes different operate portions be connected on microcontroller in main body all can call circuit parameter and the current protection point that is applicable to the type operate portions; guarantee that corresponding operate portions machine operation is under normal state, make that operate portions is safer works more efficiently.
Suit electric tool of the present invention is by control circuit and microcontroller are set in main body, and microcontroller is by the id signal of the operate portions that receives, the voltage signal in embodiment for example, pulse signal, working status parameter signal, wireless signal.Thereby can identify different operate portions, can for different operate portions, adopt different control methods, electric tool can be moved safely and efficiently, reduce hardware cost simultaneously.It is pointed out that above-mentioned preferred embodiment is only explanation technical conceive of the present invention and feature, its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.

Claims (10)

1. a suit electric tool, comprise at least one main body, at least one operate portions, main body and operate portions are separable or connect, and it is characterized in that: in described main body, be provided with control circuit, control circuit comprises signal identification module, signal identification module comprises microcontroller, in described operate portions, be provided with identification module, described signal identification module and identification module, by being electrically connected or wireless telecommunications, make described microcontroller can obtain identification operate portions.
2. suit electric tool as claimed in claim 1, is characterized in that: described operate portions also comprises motor and working head, and described motor drives working head work.
3. suit electric tool as claimed in claim 2, is characterized in that: described identification module comprises sign resistance, and the resistance of the sign resistance in each operate portions is incomplete same.
4. suit electric tool as claimed in claim 2, is characterized in that: described identification module comprises a plurality of interfaces, and wherein having an interface at least is common interface, and when main body and operate portions connect, common interface and control circuit are electrically connected.
5. suit electric tool as claimed in claim 4, is characterized in that: described control circuit comprises sampling resistor, and it can be electrically connected with microcontroller and common interface respectively.
6. suit electric tool as claimed in claim 2, is characterized in that: described identification module comprises sensor, the working status parameter that it can collecting work portion.
7. suit electric tool as claimed in claim 2, is characterized in that: described signal identification module also comprises wireless signal receiver, and described identification module comprises wireless signal transmitter.
8. the suit electric tool as described in claim as arbitrary in claim 2 to 7, is characterized in that: described control circuit comprises Monitoring and Controlling module, and Monitoring and Controlling module and motor and microcontroller are electrically connected.
9. suit electric tool as claimed in claim 8, is characterized in that: described control circuit also comprises voltage monitoring module, and it is electrically connected with the power brick and the microcontroller that are arranged in main body, for monitoring the voltage of power brick.
10. suit electric tool as claimed in claim 8, is characterized in that: described main body is provided with the first connecting portion, and described operate portions is provided with the second connecting portion, and when the first connecting portion and the second connecting portion connect, identification module and control circuit are electrically connected.
CN201420202355.4U 2014-04-24 2014-04-24 Electric tool kit Expired - Lifetime CN203831362U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201420202355.4U CN203831362U (en) 2014-04-24 2014-04-24 Electric tool kit
PCT/CN2015/074013 WO2015161721A1 (en) 2014-04-24 2015-03-11 Suit electric tool

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Application Number Priority Date Filing Date Title
CN201420202355.4U CN203831362U (en) 2014-04-24 2014-04-24 Electric tool kit

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015161722A1 (en) * 2014-04-24 2015-10-29 天佑电器(苏州)有限公司 Combined electric tool and control method therefor
WO2015161721A1 (en) * 2014-04-24 2015-10-29 天佑电器(苏州)有限公司 Suit electric tool
CN105867184A (en) * 2016-04-06 2016-08-17 浙江明磊工具实业有限公司 Control method of controllable detachable power equipment based on brushless motor
WO2017107050A1 (en) * 2015-12-22 2017-06-29 Ac (Macao Commercial Offshore) Limited An attachment for a power tool, a power tool and a method of operating a power tool
CN109870944A (en) * 2017-12-05 2019-06-11 田角峰 Suitable for the controller of multiple types of tools and the electric tool system of a variety of applications of adaptation
CN110312595A (en) * 2016-12-19 2019-10-08 罗伯特·博世有限公司 Drive basic module
WO2022218094A1 (en) * 2021-04-15 2022-10-20 南京泉峰科技有限公司 Multi-head electric tool
CN115225150A (en) * 2021-04-15 2022-10-21 南京泉峰科技有限公司 Multi-head electric tool and working assembly identification method thereof

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JP7281917B2 (en) * 2019-02-18 2023-05-26 株式会社マキタ electric work machine
JP7224950B2 (en) 2019-02-18 2023-02-20 株式会社マキタ electric work machine
TR201913754A2 (en) * 2019-09-11 2021-03-22 Eurobotik Otomasyon Ve Goeruentue Isleme Teknolojileri San Ve Tic Ltd Sti ONE TRADITION REGISTRATION ARM

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CN201565940U (en) * 2009-12-16 2010-09-01 深圳市良明电动工具有限公司 Hand-held combined garden tool
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CN103963023A (en) * 2014-04-24 2014-08-06 天佑电器(苏州)有限公司 Combined electric tool and control method thereof
CN203831361U (en) * 2014-04-24 2014-09-17 天佑电器(苏州)有限公司 Combined electric tool
CN203831362U (en) * 2014-04-24 2014-09-17 天佑电器(苏州)有限公司 Electric tool kit

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015161722A1 (en) * 2014-04-24 2015-10-29 天佑电器(苏州)有限公司 Combined electric tool and control method therefor
WO2015161721A1 (en) * 2014-04-24 2015-10-29 天佑电器(苏州)有限公司 Suit electric tool
US11059158B2 (en) 2014-04-24 2021-07-13 Suzhou Cleva Electric Appliance Co., Ltd. Combination electric tool and control method therefor
WO2017107050A1 (en) * 2015-12-22 2017-06-29 Ac (Macao Commercial Offshore) Limited An attachment for a power tool, a power tool and a method of operating a power tool
CN105867184A (en) * 2016-04-06 2016-08-17 浙江明磊工具实业有限公司 Control method of controllable detachable power equipment based on brushless motor
CN110312595A (en) * 2016-12-19 2019-10-08 罗伯特·博世有限公司 Drive basic module
CN109870944A (en) * 2017-12-05 2019-06-11 田角峰 Suitable for the controller of multiple types of tools and the electric tool system of a variety of applications of adaptation
WO2022218094A1 (en) * 2021-04-15 2022-10-20 南京泉峰科技有限公司 Multi-head electric tool
CN115225150A (en) * 2021-04-15 2022-10-21 南京泉峰科技有限公司 Multi-head electric tool and working assembly identification method thereof

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