CN107229019A - Electric tool system - Google Patents
Electric tool system Download PDFInfo
- Publication number
- CN107229019A CN107229019A CN201610791878.0A CN201610791878A CN107229019A CN 107229019 A CN107229019 A CN 107229019A CN 201610791878 A CN201610791878 A CN 201610791878A CN 107229019 A CN107229019 A CN 107229019A
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- Prior art keywords
- electric tool
- power
- fault detection
- detection system
- battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of electric tool system, including：One electric tool, includes a power device；One power-supply device, for being powered for power device；One fault detection system, for detecting at least one in the circuit between power device, power-supply device and power device and power-supply device；One source communications device, at least data message for sending the failure detected by detecting system；One data receiver, can at least receive the data message that source communications device is sent when away from electric tool.The present invention enables users to be monitored to whether electric tool breaks down by the terminal device with communication function by the way of wireless telecommunications.
Description
Technical field
The present invention relates to a kind of electric tool system, and in particular to a kind of to detect the electric tool system of failure.
Background technology
With the development and the intelligent popularization of mobile communication equipment of network technology, pass through communications protocol between thing and thing
Constitute data cube computation and shared, the just gradually life of change people.
In field of power tools, if number can be set up between electric tool and mobile terminal, electric tool and electric tool
, then can be to improving the service efficiency of electric tool, the control program for providing the user personalization and discharge failure according to transmission
Conveniently have great importance with potential safety hazard etc..
In an electric tool system, whether electric tool, which breaks down, is related to the safety that uses of electric tool, and
And when the capacity of battery bag is larger, when power of motor is larger, find that failure is arranged to the safeguard protection that user takes the initiative in time
Apply also particularly important.
The content of the invention
The present invention is adopted the following technical scheme that：
A kind of electric tool system, including：One electric tool, includes a power device；One power-supply device, for for use
Electric installation is powered；One fault detection system, for detecting between power device, power-supply device and power device and power-supply device
Circuit at least one；One source communications device, at least data for sending the failure detected by detecting system
Information；One data receiver, can at least receive the data message that source communications device is sent when away from electric tool.
Further, data receiver includes：One egress communicator, for constituting channel radio with source communications device
News.
Further, wireless telecommunications are constituted by LAN between source communications device and egress communicator.
Further, wireless telecommunications are constituted by internet between source communications device and egress communicator.
Further, wireless telecommunications are constituted by near-field communication network between source communications device and egress communicator.
Further, data receiver includes：Display device, for showing that egress communicator received data is believed
Breath.
Further, data receiver includes：Input unit, for the fault message shown for user according to display device
Control electric tool or power-supply device.
Further, electric tool system also includes：Storage device, for storing electric tool, supply unit or using Denso
Put the supplemental characteristic in normal work of the circuit between power-supply device；Processor, for being detected according to fault detection system
Data and storage device in data be compared and judge between electric tool, supply unit or power device and power-supply device
Whether circuit breaks down；Processor is judging the circuit between electric tool, supply unit or power device and power-supply device
The data message on failure is sent by source communications device during failure.
Further, power-supply device includes：One battery bag, including housing and accommodate battery in the housing；Fault detect
System includes：Voltage detection module, the voltage for detecting battery；Source communications device detects battery in voltage detection module
Overtension or it is too low when to data receiver send for point out user's battery bag break down data message.
Further, it is that power device is powered but still is fault detection system to stop when the voltage of battery is less than first threshold
Power supply；When the voltage of battery is less than the Second Threshold of first threshold, stopping is powered to fault detection system.
Further, when the voltage of battery is less than first threshold, data receiver prompts the user with information.
Further, fault detection system includes：Current detection module, the electric current for detecting battery.
Further, fault detection system includes：Temperature detecting module, the temperature for detecting battery.
Further, battery bag includes multiple batteries；Voltage detection module detects one or a Battery pack respectively；At different groups
Or different batteries voltage it is unbalanced when；Data receiver prompts the user with information.
Further, electric tool includes：Main power supply circuit, for being powered for power device；Auxiliary power supply circuit, for for therefore
Barrier detecting system is powered；Main power supply circuit and auxiliary power supply circuit are respectively connecting to power-supply device so that event when main power supply circuit disconnects
Barrier detecting system can still provide for fault detect.
Further, fault detection system can detect whether main power supply circuit breaks down.
Further, electric tool also includes：Control system, for controlling power device；Fault detection system and control system
System be connected so that fault detection system detecting and controlling system whether normal work.
Further, power device includes：Motor, for converting electrical energy into mechanical energy；Electric tool also includes：Work head,
Function for implementation tool；Transmission system, for realizing that power is transmitted between motor and work head；Fault detection system bag
Include：Position sensor, the position for detecting work head or transmission system.
Further, power device includes：Motor, for converting electrical energy into mechanical energy；Electric tool also includes：Work head,
Function for implementation tool；Transmission system, for realizing that power is transmitted between motor and work head；Fault detection system bag
Include：Vibrating sensor, the vibration for detecting work head or transmission system.
Further, power device includes：Motor, for converting electrical energy into mechanical energy；Electric tool also includes：Work head,
Function for implementation tool；Transmission system, for realizing that power is transmitted between motor and work head；Fault detection system bag
Include：Noise transducer, for detecting the noise that work head or transmission system are produced in the running.
Further, data receiver includes：Built-in battery core, for being powered for data receiver；Device housings, are used
In the built-in battery core of receiving；Charging inlet, for being charged for built-in battery core.
Further, charging inlet is USB interface.
Further, power-supply device includes：Battery, for storing electric energy；Battery container, for accommodating battery；Power interface,
For being docked with charging inlet；Battery accommodates in the cell housing and can be that built-in battery core charges by power interface.
Further, device housings include：Joint portion, can make data receiver be bound to electric tool.
Further, data receiver includes：Wearing equipment, data receiver is dressed for user.
The present invention is advantageous in that：Enabled users to by the way of wireless telecommunications by the terminal with communication function
Equipment is monitored to whether electric tool breaks down.
Brief description of the drawings
Fig. 1 is a preferred embodiment structural representation of the electric tool system of the present invention；
Fig. 2 is the system architecture diagram of electric tool system shown in Fig. 1, is shown in the figure with dotted arrow between indicate indicator
Mutual wireless telecommunications；
Fig. 3 is the construction and functional part block diagram of power-supply device and electric tool in electric tool system shown in Fig. 1, in the figure
The control object of control system is shown with the solid line with arrow.
Fig. 4 is the structured flowchart of fault detection system in electric tool system shown in Fig. 1；
Fig. 5 is another preferred embodiment structural representation of the electric tool system of the present invention；
Fig. 6 is the exemplary display interface of data display equipment in electric tool system shown in Fig. 5；
Fig. 7 is another preferred embodiment structural representation of the electric tool system of the present invention.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
Electric tool system 100 shown in reference picture 1, including：Hay mover 10, power-supply device 20 and a data receiver are set
Standby 30.
Wherein, hay mover 10 includes a motor, and the motor is used to drive the mowing blade of hay mover 10 to rotate.Power supply is set
Standby 20 are used to power for hay mover 10, its can be connected or mounted to hay mover 10 and by the circuit inside power-supply device and/
Or the motor inside the circuit and hay mover inside hay mover is constituted and is electrically connected with.
As shown in Fig. 2 hay mover 10 also includes fault detection system 11, source communications device 12, storage device 13 and place
Manage device 14.
Wherein, fault detection system 11 is used to detect the circuit between battery bag, hay mover and battery bag and hay mover
In the fault message of at least one.
Source communication device 12 is used for the fault message that launching failure detecting system is detected.
Storage device 13 is used to store following supplemental characteristic：Supplemental characteristic, power supply bag during hay mover normal work is normal
Supplemental characteristic during circuit normal work between the supplemental characteristic and hay mover and battery bag during work.Specifically, mowing
Supplemental characteristic during machine normal work includes：The position of hay mover, the speed of hay mover change in location, hay mover change in location
Acceleration etc..
The data that processor 14 is detected according to fault detection system are compared with the supplemental characteristic in storage device 13 to be sentenced
Whether the circuit between disconnected hay mover, battery bag or hay mover and battery bag breaks down, if processor judges hay mover, battery
Bag or the circuit between hay mover and battery bag then send the data message of failure by source communication device when breaking down.
As depicted in figs. 1 and 2, portable computer can be used as data receiver 30.Data receiver 30 includes
Egress communicator 31 and display device 32, wherein, egress communication device 31 receives source communication device when away from hay mover
The data message of transmission, display device 32 shows the data message that egress communicator is received.Specifically, source communication device
Any one in LAN, internet and near-field communication network or its combination structure can be passed through between 12 and egress communication device 31
Into wireless telecommunications.
As a kind of concrete scheme, data receiver at least has an input unit 33, and user is according to display device
32 display fault messages operate the input unit to control hay mover 10 or power-supply device 20, such as, and display device 32 to
When user shows hay mover failure, user can carry out selective operation by input unit 33, for example, enable or disable hay mover
10.Data receiver 30 can by the instruction selected by user by wireless communication transmission to hay mover 10 so that hay mover
It is stopped to protect hay mover.As a kind of integration scenario, display device 32 and input unit 33 be integrated in one it is tangible
Display screen, while having the function of display and operation concurrently.
By above scheme, user can monitor and control the work of hay mover 10 at a distance.
As a kind of concrete scheme, hay mover 10 has a transmission system, and the transmission system drives precession by motor 17
And drive mower blade to rotate.
Fault detection system 11 includes a position sensor, the position for detecting rotation system or blade.Position is passed
Sensor can detect turning for steering, transmission system or the blade of the rotating speed of rotating speed, transmission system or the blade of transmission system or blade
The rotation duration of speed, the rotational angle of transmission system or blade it is one or more.Using these parameters, processor 14 can
With stored in storage device 13 hay mover normal work when parameter be compared, for example, position sensor detect power train
The rotating speed of system is less than normal value or static, it can be determined that transmission system fails, so as to prompt the user with failure.
Fault detection system 12 can also include other sensors, such as vibrating sensor, noise transducer etc., when it
When detecting driveline vibrations or the exceeded noise of hay mover, can also judge that hay mover there occurs failure.It is of course also possible to
Failure is judged according to the combination of multiple data, such as current of electric is in range of normal value, but position sensor detects hay mover
The rotating speed of blade is less than normal value or static, it is possible to determine that transmission mechanism fails, so as to prompt the user with failure.
Blade is detected to its position in itself as the work head of hay mover and also can determine whether whether hay mover 10 occurs event
Hinder or whether by non-normal use, such as blade departs from or do not installed blade.
As shown in figure 3, hay mover 10 has main power supply circuit 151, auxiliary power supply circuit 152 and control system 16, wherein, it is main
Power supply circuit 151 is connected between power-supply device and power device, specifically, main power supply circuit 151 is connected on power-supply device 20
It is that motor is powered between motor 17.Auxiliary power supply circuit 152 is connected between power-supply device 20 and fault detection system 11, is
Fault detection system is powered, and when main power supply circuit 151 hinders disconnection for some reason, auxiliary power supply circuit 152 is powered for fault detection system
So that fault detection system can still provide for fault detect.
Control system 16 is used for the power devices such as controlled motor, auxiliary power supply circuit and main power supply circuit, electrical fault inspection
Examining system 11 is electrically connected with control system 16, detecting and controlling system whether normal work.
As shown in figure 4, fault detection system 11 includes current detection module 110, it can detect：The current value of motor, electricity
Change, current of electric duration, the current value of main power supply circuit, the change of main power supply circuit electric current, main confession of electromechanics stream
At least one in electric circuital current duration.Using above-mentioned parameter, processor 14 can be with storing in storage device 13
Above-mentioned parameter scope during hay mover normal work is compared.For example, current detection module 110 detects main power supply circuit 151
Electric current, processor 14 judges that the current value of main power supply circuit is more than the normal value that stores in storage device 13, it is possible to determine that main
Power supply circuit there occurs failure and by source communication device 12 to data receiver launching failure information, prompt the user with event
Barrier.
Fault detection system 11 can also include voltage detection module 111, can detect：Magnitude of voltage, the motor electricity of motor
The change of pressure, electric moter voltage duration, the magnitude of voltage of main power supply circuit, the changing of main power supply circuit voltage, main power supply electricity
At least one in road voltage duration, the output voltage of control system.For example, the detection control of voltage detection module 111
When the output voltage of system 16 exceeds normal value, it can be determined that control system breaks down, so as to be sent out to data receiver 30
Fault message is penetrated to point out user.
The hardware unit of system 100 ' as shown in Figure 5 mainly includes：Pruning machine 10 ', battery bag 20 ' and include movement
The data receiver 30 ' of terminal 301 ' and wearable device 302 '.
Wherein, pruning machine 10 ' also includes motor, battery bag, transmission system and work head, and corresponding fault detect system
System, control system, source communication device, storage device and processor, mobile terminal 301 ' and wearing equipment 302 ' are respectively provided with source
End communication device and display device.Therefore constitute system by them and can also realize and as above say the scheme of introduction.
Battery bag 20 ' includes the battery of housing 22 and receiving in the housing, and housing includes joint portion 221, can make battery bag
It is bound to pruning machine 10 '.Fault detection system can be used in the voltage, battery pack current, battery bag temperature of detection battery bag
At least one.
As a kind of concrete scheme, fault detection system includes voltage detection module, the voltage for detecting battery bag, tool
Body, voltage detection module detects the voltage of battery bag, and the magnitude of voltage that processor compares the battery bag of detection is too high or too low, source
End communication device sends the data message of battery bag failure to remind user to data receiver 20 '.More specifically, it is electric
Pressure detection module is voltage sensor.
Fault detection system also includes temperature detecting module 112 and current detection module, is respectively used to detect battery bag
The electric current of temperature and battery bag, when temperature detecting module 112 detect battery bag it is too high or too low for temperature when, source communication dress
Put to mobile terminal and send the data message of battery bag failure to remind user.It is of course also possible to according to multiple data
Combination judges failure, such as battery pack current is in normal range (NR), and battery bag temperature is too high, can determine whether battery bag failure, to point out
User.
Battery bag 20 ' is that battery bag electricity is gradually used up when pruning machine 10 ' is powered, it is preferred that voltage detection module is detected
First threshold in the voltage of battery, processor read storage device, when the voltage of the battery of detection is less than first threshold, is moved
Dynamic terminal 301 ' and/or wearing equipment 302 ' prompt the user with the information of information, such as battery bag not enough power supply, now, battery bag
Still powered for power devices such as the motors and fault detection system in pruning machine.Further, when detection battery bag voltage
Stop the control that battery bag is powered to fault detection system less than during default Second Threshold, control system is sent in storage device
Signal, battery bag stops powering to failure system, to save electric energy so that the normal work of pruning machine 10 '.
In addition, battery bag 20 ' generally comprises multiple batteries, battery imbalance often causes battery bag to damage and pacify
Full blast danger.Here say that the imbalance of the battery referred to refers to the difference of the parameters such as the voltage and temperature of each single battery.
As a kind of concrete scheme, voltage detection module detects one or a Battery pack respectively, in different batteries or difference
When the voltage of Battery pack is unbalanced, the display screen of data display equipment prompts the user with information.
Optionally, the fault detection system of pruning machine 10 ' can also include position sensor, the position sensor
For detecting the change in location of pruning machine 10 ' so as to judge whether pruning machine breaks down.Position sensor can use gyroscope
With the combination of positioner.
Specifically, for judging that the parameter for the tool characteristics whether pruning machine 10 ' breaks down includes：Pruning machine 10 '
Position, the speed of the change in location of pruning machine 10 ', the acceleration of the change in location of pruning machine 10 '.When fault detection system is detected
When pruning machine 10 ' is by severe impact, usually pruning machine 10 ' falls, the parameter such as processor meeting comprehensive speed acceleration
It is compared with the parameter born prestored, if beyond the scope of permission, passing through mobile terminal 301 ' and/or wrist strap
302 ' display device prompting user may break down, it is proposed that user maintenance, while lock out motor, makes instrument no longer work.
Certainly, similar scheme can also be used in hay mover 10.
As shown in fig. 6, as the mobile terminal 301 ' of data receiver fault message can be carried out by communication network
Data transfer, user is when starting the electric tool system of the present embodiment, it is to be understood that whether electric tool system is normal, as
Alternative, mobile terminal is stored with for controlling electric tool system and the program of fault detection system work and with figure circle
Face form be shown in it is for reference on the display screen as display device 32 ', specifically, start electric tool system it
Before, user calls the program for being used to control fault detection system to work of storage in mobile terminal 301 ', startup separator detection system
System carries out fault detect investigation to electric tool system, for example, fault detection system detects the fault message of battery bag and passed through
Battery display unit 321 displays whether there is failure, OK is shown in battery display unit 321 if fault-free, if faulty
WRONG is shown in battery display unit 321, likewise, fault detection system is detected and aobvious by control to control system
Show that OK the or WRONG printed words that unit 322 is shown understand control system with the presence or absence of failure for user, fault detection system is to battery
OK the or WRONG printed words that circuit between bag 20 ' and pruning machine 30 ' is detected and shown by control display unit 322 are supplied
User understands foregoing circuit and whether there is failure, and fault detection system is detected to pruning machine 30 ' and shows single by instrument
OK the or WRONG printed words of the display of member 324 understand pruning machine for user and whether there is failure, when battery display unit 321, control are aobvious
When showing that unit 322, control display unit 322 and instrument display unit 323 show OK, that is, show electric tool system without reason
Barrier, user can be inputted by input unit starts the order that electric tool system works.
It should be noted that in both the above scheme, fault detection system may also be arranged in power-supply device, for example,
Battery bag 20 ' also has a source communication device, sends fault message to data receiver.
The hardware unit of system 100 " as shown in Figure 7 mainly includes：Pruning machine 10 ", backpack battery bag 20 " and wrist strap
30”。
Wherein, pruning machine 10 " also includes motor, transmission system and work head, and corresponding fault detection system, control
System, source communication device, storage device and processor, wrist strap 30 " dress data receiver for user, it may have source is led to
Interrogate device and display device.Therefore scheme as described above can also be realized by constituting system by them.
It is with the difference of foregoing embodiment, also includes as the wrist strap 30 " of data receiver outside equipment
Shell 35, the built-in battery core being contained in device housings（It is not shown）And charging inlet 36, built-in battery core is data receiver
Power supply, charging inlet 36 is arranged on device housings 35, is built-in battery core charging, specifically, charging inlet is USB interface.The back of the body
There is negative formula battery bag 20 " power interface 21 to be docked with charging inlet 36, and the battery in backpack battery bag 20 " passes through power supply
Interface is the built-in battery core charging in wrist strap 30 ".
Alternatively, fault detection system, processor, storage device and source are set in backpack battery bag 20 "
End communication device, for example, fault detection system in backpack battery bag 20 " include voltage detection module, current detection module,
Temperature detecting module and electric power detection module, relevant parameter during storage device storage backpack battery bag normal work, bag
Electric current, the battery bag voltage of battery bag are included, the voltage of the battery bag of processor comparison voltage detection module detection is higher or lower than
Storage device storage battery bag voltage, then the fault message of source communication device emission cell bag 20 " to wrist strap 30 " with remind
User.
Further, source communication device is also included in pruning machine 10 ", the source communication device can launch data message
To wrist strap 30 ", it is subjected to coming from the data message of the source communication module in battery bag 20 " again, such as, in pruning machine 10 "
Source communication device receives in the battery bag fault message that the source communication device from battery bag 20 " is launched, pruning machine 10 "
Fault message sends halt instruction to control system accordingly so that pruning machine is stopped to protect pruning machine, and user is according to wrist strap
Display device 32 " prompt the user with battery bag fault message, further, user passes through input unit selection disabling battery bag
Operation, the operational order that wrist strap 30 " can select user is transmitted to battery bag by the egress communication device in wrist strap makes battery
Bag is stopped to protect battery bag 20 ".
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, it is all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all falls within protection scope of the present invention.
Claims (10)
1. a kind of electric tool system, including：
One electric tool, includes a power device；
One power-supply device, for being powered for the power device；
One fault detection system, for detecting the power device, the power-supply device and the power device and the electricity
At least one in circuit between source device；
One source communications device, at least data message for sending the failure detected by the detecting system；
One data receiver, can at least receive the data that the source communications device is sent when away from the electric tool
Information.
2. electric tool system according to claim 1, it is characterised in that：
The data receiver includes：
One egress communicator, for constituting wireless telecommunications with the source communications device.
3. electric tool system according to claim 1, it is characterised in that：
The data receiver includes：
Display device, for showing the egress communicator received data information.
4. electric tool system according to claim 1, it is characterised in that：
The electric tool system also includes：
Storage device, for store the electric tool, the supply unit or the power device and the power-supply device it
Between circuit in normal work supplemental characteristic；
Processor, the data for being detected according to the fault detection system are compared with data in the storage device to be sentenced
Whether the circuit between the disconnected electric tool, the supply unit or the power device and the power-supply device there is event
Barrier；
The processor is being judged between the electric tool, the supply unit or the power device and the power-supply device
Circuit data message on failure is sent by the source communications device when breaking down.
5. electric tool system according to claim 1, it is characterised in that：
The power-supply device includes：
One battery bag, including housing and accommodate battery in the housing；
The fault detection system includes：
Voltage detection module, the voltage for detecting the battery；
The source communications device the voltage detection module detect the battery overtension or it is too low when to described
Data receiver sends the data message for pointing out battery bag described in user to break down.
6. electric tool system according to claim 1, it is characterised in that：
The electric tool includes：
Main power supply circuit, for being powered for the power device；
Auxiliary power supply circuit, for being powered for the fault detection system；
The main power supply circuit and the auxiliary power supply circuit are respectively connecting to the power-supply device so that the main power supply circuit is disconnected
The fault detection system can still provide for fault detect when opening.
7. electric tool system according to claim 1, it is characterised in that：
The electric tool also includes：
Control system, for controlling the power device；
The fault detection system is connected with the control system so that the fault detection system detection control system is
No normal work.
8. electric tool system according to claim 1, it is characterised in that：
The power device includes：
Motor, for converting electrical energy into mechanical energy；
The electric tool also includes：
Work head, the function for implementation tool；
Transmission system, for realizing that power is transmitted between the motor and work head；
The fault detection system includes：
Position sensor, the position for detecting the work head or transmission system.
9. electric tool system according to claim 1, it is characterised in that：
The power device includes：
Motor, for converting electrical energy into mechanical energy；
The electric tool also includes：
Work head, the function for implementation tool；
Transmission system, for realizing that power is transmitted between the motor and work head；
The fault detection system includes：
Vibrating sensor, the vibration for detecting the work head or transmission system.
10. electric tool system according to claim 1, it is characterised in that：
The power device includes：
Motor, for converting electrical energy into mechanical energy；
The electric tool also includes：
Work head, the function for implementation tool；
Transmission system, for realizing that power is transmitted between the motor and work head；
The fault detection system includes：
Noise transducer, for detecting the noise that the work head or transmission system are produced in the running.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016101704913 | 2016-03-23 | ||
| CN201610170491 | 2016-03-23 |
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| Publication Number | Publication Date |
|---|---|
| CN107229019A true CN107229019A (en) | 2017-10-03 |
Family
ID=59932001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610791878.0A Pending CN107229019A (en) | 2016-03-23 | 2016-08-31 | Electric tool system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959870A (en) * | 2017-12-21 | 2019-07-02 | 南京德朔实业有限公司 | Diagnostic device, diagnostic system and diagnostic method suitable for tool system component |
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