CN107643489B - Electric energy storage device, electric tool and control method thereof - Google Patents
Electric energy storage device, electric tool and control method thereof Download PDFInfo
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- CN107643489B CN107643489B CN201610584531.9A CN201610584531A CN107643489B CN 107643489 B CN107643489 B CN 107643489B CN 201610584531 A CN201610584531 A CN 201610584531A CN 107643489 B CN107643489 B CN 107643489B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009351 contact transmission Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to an electric energy storage device, an electric tool and a control method thereof. The electric energy storage devices comprise vector signal components for generating vector signals, and the vector signals generated by the vector signal components of different electric energy storage devices are different in direction or magnitude; the power tool includes a vector signal identification component for identifying the direction and/or magnitude of a vector signal generated by an electrical energy storage device associated with the power tool; a control module for identifying an electrical energy storage device associated with the power tool based on the direction and/or magnitude of the vector signal. The vector signal component is arranged on the electric energy storage device, so that different electric energy storage devices can be accurately distinguished, the vector signal identification component is arranged on the electric tool, the electric energy storage device can be accurately and reliably identified, the application range is wide, in addition, the electric tool can switch the working mode according to the identified electric energy storage device, the safety is enhanced, the endurance time is prolonged, and the use scene is expanded.
Description
Technical Field
The present invention relates to the field of automatic control, and more particularly, to an electric energy storage device, an electric tool, and a control method thereof.
Background
First, the types and parameters of the electrical energy storage devices on the market are diversified, difficult to distinguish and distinguish, and in general, the electrical energy storage devices on the market are not distinguished by themselves or are distinguished only by output resistors, but there are often large errors in measuring the resistance values, so that the distinction is inaccurate.
In addition, the electric tool can be powered by a battery pack of a default, or can be powered by a battery pack of other voltage platforms or an external power supply, so that different electric energy storage devices need to be identified, damage of the electric tool caused by the electric energy storage devices which do not meet the specification can be avoided, and the electric energy storage devices with different parameters can be compatible within the allowable range of the specification, so that a system and a method for identifying the different electric energy storage devices are urgently needed.
In view of the above problems, in general, a power TOOL, such as a Bosch power TOOL, employs 4 electrodes (b+, B-, NTC, tol) and a single chip recognizes the resistance value of the tol to determine the type of an external power source or a battery pack, but this approach requires a plurality of electrodes to be provided, which increases the cost. In addition, since the signal transmission is a contact transmission, the error is large, and the signal transmission is easy to damage, and the reliability and the service life of the signal transmission are affected.
Disclosure of Invention
Based on the above, the invention provides an electric energy storage device capable of accurately and stably distinguishing, an electric tool capable of accurately identifying an external voltage platform and a control method thereof.
An electrical energy storage device comprises vector signal components for generating vector signals, and the vector signals generated by the vector signal components of different electrical energy storage devices differ in direction and/or magnitude.
In one embodiment, the direction of the vector signals generated by the vector signal components of the electrical energy storage devices of different types are different, and the magnitude of the vector signals generated by the vector signal components of the electrical energy storage devices of the same type and different parameters are different.
In one embodiment, the type of electrical energy storage device comprises a battery pack or an external power source; parameters of the electrical energy storage device include one or more of output voltage, output current, output power, capacity.
In one embodiment, the vector signal component is a magnet.
According to the electric energy storage device, the vector signal component is arranged on the electric energy storage device, so that the electric energy storage device can be accurately and conveniently distinguished, the result is reliable, and the application range is wider.
A power tool, comprising:
a vector signal identification means for identifying the direction and/or magnitude of a vector signal generated by an electrical energy storage device connected to the power tool;
and the control module is used for identifying an electric energy storage device connected with the electric tool according to the direction and/or the magnitude of the vector signal.
In one embodiment, the control module comprises a type identification unit and a parameter identification unit;
the type identification unit is used for identifying the type of the electric energy storage device according to the direction of the vector signal;
the parameter identification unit is used for identifying parameters of the electric energy storage device according to the magnitude of the vector signals.
In one embodiment, the vector signal identification means is a magnetic field sensor.
In one embodiment, the electric tool further includes an operation mode switching module for switching the operation mode of the electric tool according to the electric energy storage device identified by the control module.
The electric tool is provided with the vector signal identification component, so that the electric energy storage device can be accurately and reliably identified, and the electric tool is simple in structure, convenient to operate and wide in application range.
A method of controlling a power tool, the method comprising:
identifying a direction and/or magnitude of a vector signal generated by an electrical energy storage device coupled to the power tool;
identifying an electrical energy storage device connected to the power tool based on the direction and/or magnitude of the vector signal;
and correspondingly switching the working mode of the electric tool according to the identified electric energy storage device.
According to the electric tool control method, when the electric tool is connected with different electric energy storage devices, the electric energy storage devices can be automatically identified, the operation is simple and convenient, the result is accurate and reliable, and the application range is wider.
In one embodiment, the step of identifying the electrical energy storage device connected to the power tool based on the direction and/or magnitude of the vector signal identifies the type of electrical energy storage device based on the direction of the vector signal and identifies the parameter of the electrical energy storage device based on the magnitude of the vector signal.
According to the electric tool control method, the working mode is switched according to the connected electric energy storage device, so that the safety is enhanced, the endurance time is prolonged, and the use scene is expanded.
Drawings
FIG. 1 is a schematic illustration of an electrical energy storage device in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic block diagram of a power tool according to a preferred embodiment of the present invention;
FIG. 3 is a block diagram of a control module in a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of a 20V battery pack powering a power tool in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic diagram of a 56V battery pack in another preferred embodiment of the invention powering a power tool;
FIG. 6 is a schematic diagram of an external power source powering a power tool in accordance with a preferred embodiment of the present invention;
fig. 7 is a flowchart of a control method of the electric tool of the present invention.
Wherein,
100. electrical energy storage device
110. Vector signal component
111. Magnet body
120 20V battery pack
130 56V battery pack
140. External power supply
200. Electric tool
210. Vector signal identification component
211. Magnetic field sensor
220. Control module
221. Type identification unit
222. Parameter identification unit
230. Working mode switching module
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Before describing in detail embodiments that are in accordance with the present invention, it should be observed that the embodiments reside primarily in combinations of steps and system components related to the electrical energy storage device, the power tool, and the method of controlling the same. Accordingly, the system components and method steps have been represented where appropriate by conventional symbols in the drawings, showing only those specific details that are pertinent to understanding the embodiments of the present invention so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having the benefit of the description herein.
In this document, relational terms such as left and right, top and bottom, front and back, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
For the purposes of this disclosure, the term "electrical energy storage device 100" is defined broadly and includes any device, apparatus, or system capable of storing electrical charge, including but not limited to a battery pack, an external power source, and the like. In addition, the term "power tool 200" is also defined broadly and includes any device, apparatus, system, etc. that requires electrical energy to operate.
Referring to fig. 1, fig. 1 is a schematic diagram of an electric energy storage device according to a preferred embodiment of the invention. The electrical energy storage device 100 according to the invention comprises a vector signal component 110 for generating a vector signal, which vector signal component is preferably arranged at the output of the electrical energy storage device 100. And the direction and/or magnitude of the vector signals generated by the vector signal component 110 of the different electrical energy storage devices 100 are different, so that the different electrical energy storage devices 100 are represented by different vector signals, and the different electrical energy storage devices 100 are distinguished by the vector signals, which is accurate, reliable and convenient to operate, because the magnitude and direction of the vector signals are generally stable. And in a preferred embodiment, the direction of the vector signals generated by the vector signal components of the electrical energy storage devices 100 of different types are different, and the magnitude of the vector signals generated by the vector signal components of the electrical energy storage devices 100 of the same type and different parameters are different. In other embodiments, the direction and magnitude of the vector signals may also be representative of other capabilities of the electrical energy storage device 100, such as manufacturer information, etc.
The types of electrical energy storage devices 100 include, but are not limited to, battery packs and external power sources, and the types of electrical energy storage devices 100 may also include other types of power sources that may power the power tool 200, such as solar cells, rechargeable batteries, and the like; or the type of electrical energy storage device 100 may be divided among different manufacturers that produce the power sources, etc. The parameters of the electrical energy storage device 100 include one or more of output voltage, output current, output power, and capacity, and although the type of the electrical energy storage device 100 can be determined by the direction of the vector signal, since the electrical energy storage device 100 of the same type may include electrical energy storage devices 100 of different parameters, in order to more accurately identify the electrical energy storage device 100, the difference of the same parameters of the electrical energy storage device 100 is represented by the intensity of the vector signal in the present invention.
In a preferred embodiment, the vector signal component is a magnet 111, wherein the magnitude of the vector signal can be set by adjusting the position and/or the magnetic field strength of the magnet 111 in the electrical energy storage device 100, the direction of the vector signal can be set by the orientation of the magnet 111, and in addition, groups of magnets 11 can be provided. In other embodiments, the vector signal component may be another component, so long as the signal generated by the vector signal component is a vector signal, for example, a magnetic field, an electric field, a force, and the like, and the magnitude and/or the direction of the vector signal may represent different types and/or parameters, which are not described herein.
Referring to fig. 2, fig. 2 is a schematic block diagram of a power tool according to a preferred embodiment of the invention. In correspondence to the above-mentioned electric energy storage device 100, the present invention also proposes a power tool 200, which comprises a control module 220 and a vector signal recognition component 210, preferably, the vector signal recognition component 210 is generally disposed at a power connector of the power tool 200. An output end of the vector signal identification unit 210 is connected with an input end of the control module 220; the vector signal identification means 210 is used to identify the direction and/or magnitude of a vector signal generated by the electrical energy storage device 100 connected to the power tool 200; the control module 220 is configured to identify the electrical energy storage device 100 associated with the power tool 200 based on the direction and/or magnitude of the vector signal. Furthermore, in a preferred embodiment, in order to protect the electric power tool 200, the electric power tool 200 further includes an operation mode switching module 230, and an output terminal of the control module 220 is connected to an input terminal of the operation mode switching module 230, and the operation mode switching module 230 is configured to switch the operation mode of the electric power tool 200 according to the electric energy storage device 100 identified by the control module 220.
Switching the modes of operation of the power tool 200 described herein may include switching rotational speed, torque, function, and protection parameters. For example, when the electric tool 200 is a water gun, the high-low gear switching can be performed according to the difference of the output voltage of the electric energy storage device 100; for example, the power tool 200 may be in a low-gear operating mode when the output voltage of the electrical energy storage device 100 is 12V, and the power tool 200 may be in a high-gear operating mode when the output voltage of the electrical energy storage device 100 is 20V. Regarding functions, for example, when the electric tool 200 is connected to the battery pack a, the user can perform two-gear speed adjustment, and when the electric tool is connected to the battery pack B, the electric tool can be used only in a certain gear. In addition, different protection parameters, such as an over-current protection parameter, an over-voltage protection parameter, and/or an over-discharge protection parameter, etc., may also be set according to different electrical energy storage devices 100.
In practical use, since the vector signals generated by the electric storage device 100 include directions and magnitudes, and the directions and magnitudes represent different information, in order to accelerate the processing, in a preferred embodiment, the directions and magnitudes of the vector signals may be processed in parallel, and fig. 3 is a schematic block diagram of the control module in a preferred embodiment of the present invention. The control module 220 includes a type recognition unit 221 and a parameter recognition unit 222, wherein an input end of the type recognition unit 221 and an input end of the parameter recognition unit 222 are respectively connected with an output end of the vector signal recognition component 230, and an output end of the type recognition unit 221 and an output end of the parameter recognition unit 222 are both connected with an input end of the working mode switching module 230; the type recognition unit 221 is configured to recognize a type of the electrical energy storage device 100 according to a direction of the vector signal; the parameter identification unit 222 is configured to identify a parameter of the electrical energy storage device 100 according to a magnitude of the vector signal.
Referring to fig. 4 and 5, fig. 4 is a schematic diagram showing a 20V battery pack for powering a power tool according to a preferred embodiment of the present invention; fig. 5 is a schematic diagram of a 56V battery pack in another preferred embodiment of the invention powering a power tool. The directions of the magnet 111 arranged on the 20V battery pack 120 and the magnet 111 arranged on the 56V battery pack 130 are the same, but the strength of the generated magnetic fields is obviously different, so that when the vector signal identification component 210 is the magnetic field sensor 211, the magnetic field sensor 211 identifies the strength of the magnetic field generated by the magnet 111 arranged on the 20V battery pack 120 and the strength of the magnetic field generated by the magnet 111 arranged on the 56V battery pack 130, and sends the signals to the control module 220, and the control module 220 can judge whether the 20V battery pack 120 or the 56V battery pack 130 is connected with the electric tool 200 after processing.
Referring to fig. 4 and 6, fig. 6 is a schematic diagram showing an external power source for powering a power tool according to a preferred embodiment of the present invention. The directions of the magnet 111 disposed on the 20V battery pack 120 and the magnet 111 disposed on the external power supply 140 are obviously different, so that when the vector signal identification component 210 is the magnetic field sensor 211, the magnetic field sensor 211 identifies the strength of the magnetic field generated by the magnet 111 disposed on the 20V battery pack 120 and the strength of the magnetic field generated by the magnet 111 disposed on the external power supply 140, and sends the signals to the control module 220, and the control module 220 can determine whether the 20V battery pack 120 or the external power supply 140 is connected with the electric tool 200 after processing.
In correspondence to the above-mentioned electric tool 200, in order to enhance the safety of the electric tool 200 and prolong the duration of the electric tool, the present invention further provides a control method of the electric tool, please refer to fig. 7, fig. 7 is a flowchart of the control method of the electric tool of the present invention. The method comprises the following steps:
s100: identifying a direction and/or magnitude of a vector signal generated by an electrical energy storage device 100 coupled to the power tool 200;
s200: identifying an electrical energy storage device 100 connected to the power tool 200 based on the direction and/or magnitude of the vector signal;
s300: the operating mode of the power tool 200 is switched accordingly in accordance with the identified electrical energy storage device 100.
In a preferred embodiment, the step of identifying the electrical energy storage device 100 connected to the power tool 200 based on the direction and/or magnitude of the vector signal is to identify the type of electrical energy storage device 100 based on the direction of the vector signal and/or to identify the parameter of the electrical energy storage device 100 based on the magnitude of the vector signal.
First, the present invention can distinguish between different types of electrical energy storage devices 100 of different parameters by providing a vector signal component on the electrical energy storage device 100; second, correspondingly, the vector signal recognition component is arranged on the electric tool 200, so that the type and parameters of the electric energy storage device 100 can be accurately and reliably recognized, and the electric energy storage device is simple in structure and convenient to operate. Third, when the electric power tool 200 is connected to different electric energy storage devices 100, it can be automatically identified, and the working mode is switched according to the connected electric energy storage devices 100, so that the safety is enhanced, the endurance time is prolonged, and the use scene is expanded.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. An electrical energy storage device comprising vector signal means for generating vector signals, the magnitude and direction of which represent the type and parameters of the electrical energy storage device, respectively, or the magnitude and direction of which represent the parameters and types of the electrical energy storage device, respectively, and the directions and/or magnitudes of the vector signals generated by the vector signal means of different electrical energy storage devices being different.
2. The electrical energy storage device of claim 1, wherein the vector signals generated by the vector signal components of the electrical energy storage devices of different types are different in direction and the vector signals generated by the vector signal components of the electrical energy storage devices of the same type and different parameters are different in magnitude.
3. The electrical energy storage device of claim 2, wherein the type of electrical energy storage device comprises a battery pack or an external power source; parameters of the electrical energy storage device include one or more of output voltage, output current, output power, capacity.
4. An electrical energy storage device according to any one of claims 1 to 3 wherein the vector signal component is a magnet.
5. A power tool, comprising:
a vector signal identifying means for identifying the direction and/or magnitude of a vector signal generated by an electrical energy storage device according to any one of claims 1 to 4 in connection with said power tool;
and the control module is used for identifying an electric energy storage device connected with the electric tool according to the direction and/or the magnitude of the vector signal.
6. The power tool according to claim 5, wherein the control module includes a type recognition unit and a parameter recognition unit;
the type identification unit is used for identifying the type of the electric energy storage device according to the direction of the vector signal;
the parameter identification unit is used for identifying parameters of the electric energy storage device according to the magnitude of the vector signals.
7. The power tool of claim 5 or 6, wherein the vector signal identification component is a magnetic field sensor.
8. The power tool of claim 5, further comprising an operating mode switching module for switching the operating mode of the power tool accordingly based on the electrical energy storage device identified by the control module.
9. A method of controlling a power tool, the method comprising:
identifying a direction and/or magnitude of a vector signal generated by an electrical energy storage device according to any one of claims 1 to 4 in connection with the power tool;
identifying an electrical energy storage device connected to the power tool based on the direction and/or magnitude of the vector signal;
and correspondingly switching the working mode of the electric tool according to the identified electric energy storage device.
10. The method according to claim 9, wherein the step of identifying an electric energy storage device connected to the electric power tool based on the direction and/or magnitude of the vector signal is to identify a type of the electric energy storage device based on the direction of the vector signal and/or to identify a parameter of the electric energy storage device based on the magnitude of the vector signal.
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384595A (en) * | 2001-05-09 | 2002-12-11 | 株式会社日立制作所 | AC motor controller |
| CN1852678A (en) * | 2003-07-24 | 2006-10-25 | 沙丘医疗设备有限公司 | Method and apparatus for examining a substance,particularly tissue, to characterize its type |
| CN101410722A (en) * | 2006-03-28 | 2009-04-15 | 卢森特技术有限公司 | Oscillating-beam magnetometer |
| CN101539999A (en) * | 2008-03-19 | 2009-09-23 | 北大方正集团有限公司 | Method and device for recognizing plane geometrical shapes |
| CN101630722A (en) * | 2005-05-18 | 2010-01-20 | 松下电器产业株式会社 | Information recording device for battery |
| FR2963454A1 (en) * | 2010-07-27 | 2012-02-03 | Thales Sa | METHOD OF OPTIMALLY DETERMINING THE CHARACTERISTICS AND LAYOUT OF A SET OF SENSORS FOR MONITORING A ZONE |
| CN102361104A (en) * | 2011-10-28 | 2012-02-22 | 深圳市欣视景科技有限公司 | Battery and battery identification circuit |
| CN103329427A (en) * | 2011-01-25 | 2013-09-25 | 三菱电机株式会社 | Motor control device |
| CN103424704A (en) * | 2012-05-22 | 2013-12-04 | 中兴通讯股份有限公司 | Battery detecting device and method and battery |
| CN104364960A (en) * | 2012-05-04 | 2015-02-18 | 翠科有限公司 | System and method for identifying batteries |
| CN104898831A (en) * | 2015-05-08 | 2015-09-09 | 中国科学院自动化研究所北仑科学艺术实验中心 | Human action collection and action identification system and control method therefor |
| CN105026924A (en) * | 2013-03-22 | 2015-11-04 | 光荣株式会社 | Magnetic-characteristics detection device |
| CN105383324A (en) * | 2015-10-30 | 2016-03-09 | 北京新能源汽车股份有限公司 | Electric car and identity recognition system and recognition method for drive motor thereof |
| CN105403922A (en) * | 2015-12-18 | 2016-03-16 | 北京航星机器制造有限公司 | Weak magnetic detection method |
| CN105430252A (en) * | 2014-09-12 | 2016-03-23 | 佳能株式会社 | Electronic apparatus |
| CN105449731A (en) * | 2014-09-25 | 2016-03-30 | 中兴通讯股份有限公司 | Portable power source device and charge-discharge processing method |
| CN206209078U (en) * | 2016-07-22 | 2017-05-31 | 苏州宝时得电动工具有限公司 | Electrical energy storage device and corresponding electric tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014075964A (en) * | 2012-09-11 | 2014-04-24 | Ricoh Co Ltd | Type determination device, type determination method, and program |
-
2016
- 2016-07-22 CN CN201610584531.9A patent/CN107643489B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384595A (en) * | 2001-05-09 | 2002-12-11 | 株式会社日立制作所 | AC motor controller |
| CN1852678A (en) * | 2003-07-24 | 2006-10-25 | 沙丘医疗设备有限公司 | Method and apparatus for examining a substance,particularly tissue, to characterize its type |
| CN101630722A (en) * | 2005-05-18 | 2010-01-20 | 松下电器产业株式会社 | Information recording device for battery |
| CN101410722A (en) * | 2006-03-28 | 2009-04-15 | 卢森特技术有限公司 | Oscillating-beam magnetometer |
| CN101539999A (en) * | 2008-03-19 | 2009-09-23 | 北大方正集团有限公司 | Method and device for recognizing plane geometrical shapes |
| FR2963454A1 (en) * | 2010-07-27 | 2012-02-03 | Thales Sa | METHOD OF OPTIMALLY DETERMINING THE CHARACTERISTICS AND LAYOUT OF A SET OF SENSORS FOR MONITORING A ZONE |
| CN103329427A (en) * | 2011-01-25 | 2013-09-25 | 三菱电机株式会社 | Motor control device |
| CN102361104A (en) * | 2011-10-28 | 2012-02-22 | 深圳市欣视景科技有限公司 | Battery and battery identification circuit |
| CN104364960A (en) * | 2012-05-04 | 2015-02-18 | 翠科有限公司 | System and method for identifying batteries |
| CN103424704A (en) * | 2012-05-22 | 2013-12-04 | 中兴通讯股份有限公司 | Battery detecting device and method and battery |
| CN105026924A (en) * | 2013-03-22 | 2015-11-04 | 光荣株式会社 | Magnetic-characteristics detection device |
| CN105430252A (en) * | 2014-09-12 | 2016-03-23 | 佳能株式会社 | Electronic apparatus |
| CN105449731A (en) * | 2014-09-25 | 2016-03-30 | 中兴通讯股份有限公司 | Portable power source device and charge-discharge processing method |
| CN104898831A (en) * | 2015-05-08 | 2015-09-09 | 中国科学院自动化研究所北仑科学艺术实验中心 | Human action collection and action identification system and control method therefor |
| CN105383324A (en) * | 2015-10-30 | 2016-03-09 | 北京新能源汽车股份有限公司 | Electric car and identity recognition system and recognition method for drive motor thereof |
| CN105403922A (en) * | 2015-12-18 | 2016-03-16 | 北京航星机器制造有限公司 | Weak magnetic detection method |
| CN206209078U (en) * | 2016-07-22 | 2017-05-31 | 苏州宝时得电动工具有限公司 | Electrical energy storage device and corresponding electric tool |
Non-Patent Citations (1)
| Title |
|---|
| 基于几何代数的太赫兹时域光谱信号分析及物质识别方法研究;李静;《中国博士学位论文全文数据库信息科技辑》(第4期);第I136-11页 * |
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