CN203831361U - Combined electric tool - Google Patents
Combined electric tool Download PDFInfo
- Publication number
- CN203831361U CN203831361U CN201420202290.3U CN201420202290U CN203831361U CN 203831361 U CN203831361 U CN 203831361U CN 201420202290 U CN201420202290 U CN 201420202290U CN 203831361 U CN203831361 U CN 203831361U
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- Prior art keywords
- operate portions
- identification module
- main body
- microcontroller
- control circuit
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- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims description 16
- 238000005070 sampling Methods 0.000 claims description 14
- 239000011449 brick Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 11
- 238000004891 communication Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 101100372300 Candida albicans (strain SC5314 / ATCC MYA-2876) SIM1 gene Proteins 0.000 description 2
- 101150091312 UTH1 gene Proteins 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
A combined electric tool comprises at least one body and at least one working part. The body and the working part can be separated or in adapted connection, and a motor is arranged in the body. A transmission device which can be used for separation or adapted connection is arranged between the body and the working part. A control circuit is arranged in the body, and the control circuit comprises a signal identification module. The signal identification module comprises a microcontroller. An identification module is arranged in the working part, and the signal identification module is in electrical connection or wireless communication with the identification module so that the microcontroller can identify the working part. The combined electric tool can identify different working parts, so that different control methods are used for different working parts, the electric tool can operate safely and efficiently, and meanwhile the cost of hardware is obviously lowered through the motor in the body.
Description
Technical field
The utility model relates to a kind of combination motor instrument.
Background technology
Combination motor instrument is a kind of electric tool assembly of replaceable operate portions, generally include a main body and multiple 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 be according to different job requirements, select different operate portions to be connected with described main body, thereby need not all be equipped with a traditional electric tool for every job requirement.Prior art has also disclosed multiple combination formula electric tool, as US Patent No. 6181032 has disclosed a kind of scheme of replaceable operate portions, can have the handle of switch and different operate portions connects by specific structure.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 the information such as type, state with battery case instrument connected with each other, but this system is more complicated, and manufacturing cost is higher, is unfavorable for marketing.
Utility model content
The utility model is in order to solve the problem of prior art, a kind of combination motor instrument 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 motor, between main body and operate portions, be provided with separable and transmission device that connect, in 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 are by being electrically connected or wireless telecommunications, make described microcontroller can obtain identification operate portions.
Attached technical scheme of the present utility model below:
Preferably, described identification module comprises mark resistance, and the resistance of the mark resistance in each operate portions is incomplete same.
Preferably, described identification module comprises multiple interfaces, and wherein having an interface at least is common interface, and in the time that 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.
The utility model also provides a kind of control method of combination motor instrument, and described control method comprises the steps: 1. main body and operate portions to be connected; 2. which kind of operate portions access microcontroller judges, calls corresponding pre-set programs; 3. microcontroller sampling machine operation parameter value; 4. machine operation parameter value sampling being obtained and corresponding preset value comparison, judge that whether motor is in abnormal operating state; If 5. 4. step is judged as YES, 4. disable motor, if be judged as NO, return to step.
Preferably, described step 4. middle machine operation parameter value is electric current, judge motor whether the method in abnormal operating state be: if the motor current value sampling is greater than described preset value, cross flow counter and add 1, if motor current value is not more than described preset value, only flow counter adds 1, but the full preset times of flow counter, not overcurrent and flow counter zero clearing simultaneously excessively, judged whether the cumulative number of times of flow counter exceeds overcurrent preset times.
Preferably, step 2. in, the driver that described pre-set programs is motor and defence program.
Useful technique effect of the present utility model: combination motor instrument of the present utility model can be identified different operate portions, thereby adopt different control methods for different operate portions, electric tool can be moved safely and efficiently, motor in the general main body of different operating portion, has reduced hardware cost simultaneously.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment combination motor instrument.
Fig. 2 is another schematic diagram of the combination motor instrument of the utility model embodiment mono-.
Fig. 3 is the schematic diagram of the control circuit of the combination motor instrument of the utility model embodiment mono-.
Fig. 4 is the schematic diagram of the combination motor instrument of the utility model embodiment bis-.
Fig. 5 is the schematic diagram of the combination motor instrument of the utility model embodiment tri-.
Fig. 6 is the schematic diagram of the combination motor instrument of the utility model embodiment tetra-.
Fig. 7 is the flow chart of the control method of the combination motor instrument of the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
Be embodiment combination motor instrument 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 main body, 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 be electrically connected with identification resistance.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.If combination motor instrument has multiple 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, in the time that 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, in the time that 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 operate portions is identified as brush cutter by microcontroller 51; 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.
Described motor 82 is arranged in main body 6, and therefore multiple operate portions 8 can share a motor, and motor can adopt brushless electric machine, it has the wider range of speeds, can carry out good control by program, on different rotating speeds, all have higher efficiency, can adapt to the performance requirement of different operating portion.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 equally transmission.Motor in the main consuming body provides power to different operate portions, has avoided, in different operating portion, motor is set, and has reduced the manufacturing cost of combination motor instrument.RM between main body and operate portions can also adopt the mode in following examples equally.
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, can determine that according to default determining program 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 ' ' can judge which kind of working head in running according to the parameter signal of receiving, 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 control operate portions.
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 that 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, in the time that 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 such as, in the devices such as magnetic strength device (Hall element), RF receiving/transmission device, infrared transceiver device, optical communication device, approach switch at least one.
Be the flow chart of the control method of the present embodiment combination motor instrument as shown in Figure 7, after main body 6 and operate portions 8 are combined, in step a, which kind of operate portions what judge access by microcontroller is, concrete determination methods is above being described.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, represent detect over current of motor exceed 100 times after disable motor.Increase the mode of counter and be in order to prevent that current of electric fluctuates once in a while and exceed preset value and just cause motor to close, affect electric tool and normally work.Above-mentioned control method makes different operate portions be connected on microcontroller in main body all can call the circuit parameter and the current protection point that are 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.Except judging by the current value of sampling motor, can also judge that motor is in normal operating conditions or abnormal operating state, the voltage during as machine operation or rotating speed by other machine operation parameter value.
Combination motor instrument of the present utility model is by control circuit and microcontroller are set in main body, and microcontroller for example, by the id signal of the operate portions that receives, the voltage signal in embodiment, pulse signal, working status parameter signal, wireless signal.Thereby can identify different operate portions, can adopt different control methods for different operate portions, electric tool can be moved safely and efficiently, reduce hardware cost simultaneously.It is to be noted; above-mentioned preferred embodiment is only explanation technical conceive of the present utility model and feature; its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. a combination motor instrument, comprise at least one main body, at least one operate portions, main body and operate portions are separable or connect, it is characterized in that: in described main body, be provided with motor, between main body and operate portions, be provided with separable and transmission device that connect, in 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. combination motor instrument as claimed in claim 1, is characterized in that: described identification module comprises mark resistance, the resistance of the mark resistance in each operate portions is incomplete same.
3. combination motor instrument as claimed in claim 1, is characterized in that: described identification module comprises multiple interfaces, and wherein having an interface at least is common interface, and in the time that main body and operate portions connect, common interface and control circuit are electrically connected.
4. combination motor instrument as claimed in claim 3, is characterized in that: described control circuit comprises sampling resistor, and it can be electrically connected with microcontroller and common interface respectively.
5. combination motor instrument as claimed in claim 1, is characterized in that: described identification module comprises sensor, the working status parameter that it can collecting work portion.
6. combination motor instrument as claimed in claim 1, is characterized in that: described signal identification module also comprises wireless signal receiver, and described identification module comprises wireless signal transmitter.
7. the combination motor instrument as described in arbitrary claim in claim 1 to 6, is characterized in that: described control circuit comprises Monitoring and Controlling module, and Monitoring and Controlling module and motor and microcontroller are electrically connected.
8. combination motor instrument as claimed in claim 7, 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.
9. combination motor instrument as claimed in claim 7, is characterized in that: described main body is provided with the first connecting portion, 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.
10. combination motor instrument as claimed in claim 1, is characterized in that: described motor is brushless electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202290.3U CN203831361U (en) | 2014-04-24 | 2014-04-24 | Combined electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202290.3U CN203831361U (en) | 2014-04-24 | 2014-04-24 | Combined electric tool |
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| Publication Number | Publication Date |
|---|---|
| CN203831361U true CN203831361U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420202290.3U Expired - Lifetime CN203831361U (en) | 2014-04-24 | 2014-04-24 | Combined electric tool |
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| CN (1) | CN203831361U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| WO2015161721A1 (en) * | 2014-04-24 | 2015-10-29 | 天佑电器（苏州）有限公司 | Suit electric tool |
| CN105818108A (en) * | 2015-01-22 | 2016-08-03 | 苏州宝时得电动工具有限公司 | Power device, electric tools and electric tool system |
| CN105856169A (en) * | 2015-01-22 | 2016-08-17 | 苏州宝时得电动工具有限公司 | Electric tool and electric tool system |
| CN105856171A (en) * | 2015-01-22 | 2016-08-17 | 苏州宝时得电动工具有限公司 | Power device, electric tool and electric tool system |
| CN105856170A (en) * | 2015-01-22 | 2016-08-17 | 苏州宝时得电动工具有限公司 | Electric tool and electric tool system |
| 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 |
| CN107592831A (en) * | 2015-03-12 | 2018-01-16 | 艾沛克斯品牌公司 | Modularization flexibility drive system with communication |
| WO2018054312A1 (en) * | 2016-09-20 | 2018-03-29 | 苏州宝时得电动工具有限公司 | Power device, electric power tool and system |
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2014
- 2014-04-24 CN CN201420202290.3U patent/CN203831361U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2015161721A1 (en) * | 2014-04-24 | 2015-10-29 | 天佑电器（苏州）有限公司 | Suit electric tool |
| 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 |
| US11059158B2 (en) | 2014-04-24 | 2021-07-13 | Suzhou Cleva Electric Appliance Co., Ltd. | Combination electric tool and control method therefor |
| CN105856169A (en) * | 2015-01-22 | 2016-08-17 | 苏州宝时得电动工具有限公司 | Electric tool and electric tool system |
| CN106142016A (en) * | 2015-01-22 | 2016-11-23 | 苏州宝时得电动工具有限公司 | Electric tool and electric tool system |
| CN105818112A (en) * | 2015-01-22 | 2016-08-03 | 苏州宝时得电动工具有限公司 | Power device, electric tools and electric tool system |
| CN105818109A (en) * | 2015-01-22 | 2016-08-03 | 苏州宝时得电动工具有限公司 | Power device, electric tools and electric tool system |
| CN105818107A (en) * | 2015-01-22 | 2016-08-03 | 苏州宝时得电动工具有限公司 | Power device, electric tools and electric tool system |
| CN105856171A (en) * | 2015-01-22 | 2016-08-17 | 苏州宝时得电动工具有限公司 | Power device, electric tool and electric tool system |
| CN105856170A (en) * | 2015-01-22 | 2016-08-17 | 苏州宝时得电动工具有限公司 | Electric tool and electric tool system |
| CN105818113A (en) * | 2015-01-22 | 2016-08-03 | 苏州宝时得电动工具有限公司 | Electric tool and electric tool system |
| CN106217317A (en) * | 2015-01-22 | 2016-12-14 | 苏州宝时得电动工具有限公司 | Power set, electric tool and electric tool system |
| CN105818108A (en) * | 2015-01-22 | 2016-08-03 | 苏州宝时得电动工具有限公司 | Power device, electric tools and electric tool system |
| CN107592831A (en) * | 2015-03-12 | 2018-01-16 | 艾沛克斯品牌公司 | Modularization flexibility drive system with communication |
| 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 |
| WO2018054312A1 (en) * | 2016-09-20 | 2018-03-29 | 苏州宝时得电动工具有限公司 | Power device, electric power tool and system |
| US11465268B2 (en) | 2016-09-20 | 2022-10-11 | Positec Power Tools (Suzhou) Co., Ltd. | Power device, electric power tool, and system |
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| GR01 | Patent grant |