CN106486626A - Battery case and the electronic equipment using this battery case - Google Patents
Battery case and the electronic equipment using this battery case Download PDFInfo
- Publication number
- CN106486626A CN106486626A CN201611067344.XA CN201611067344A CN106486626A CN 106486626 A CN106486626 A CN 106486626A CN 201611067344 A CN201611067344 A CN 201611067344A CN 106486626 A CN106486626 A CN 106486626A
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- Prior art keywords
- battery case
- output
- battery
- shell fragment
- box body
- Prior art date
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- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 9
- 239000012634 fragment Substances 0.000 claims description 35
- 230000005611 electricity Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000012782 phase change material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Toys (AREA)
Abstract
The present invention provides a kind of battery case, including：Battery box body；Output circuit, this output circuit has at least one pair of lead-out terminal；It is arranged on the intrinsic output control circuit of battery case, there is voltage detection unit, current detecting unit, adjustment unit and the first wireless network transceiver；Voltage detection unit is arranged for detecting the output voltage values of output circuit；Current detecting unit is arranged for detecting the output current value of output circuit；First wireless network transceiver is arranged for setting up the communication link of battery case and external control device, and receives output control instruction and by the feedback of status of battery case to external control device by this first wireless network transceiver；Adjustment unit is configured to adjust voltage and/or the electric current of described output circuit output according to described control instruction.The present invention also proposes a kind of electronic equipment of use battery case, by controlling the exporting change of battery case come the operation of control electronics.
Description
Technical field
The present invention relates to battery case and the electronic equipment using this battery case.
Background technology
Typically in the electronic equipment use battery, in prior art, all reserved installation site and the space of battery,
It is respectively arranged at two ends with positive pole and negative pole, after battery is installed in electronic equipment be and power supply, the output voltage of battery and electricity
Stream is uncontrollable, only switchs to be controlled by function point analysis such as the speed governing of electronic equipment itself, brightness regulation.Especially
It is on existing electronic toy, such as electric toy car, electronic toy ship etc., the output of electric current is constant, and playability needs
Improve.
Content of the invention
In view of this it is necessary to for the problem mentioned in background technology, provide the control of a kind of battery case and battery case
System and control method.
The above-mentioned purpose of the present invention is realized by the technical characteristic of independent claims, and dependent claims are to select else or to have
The mode of profit develops the technical characteristic of independent claims.
For reaching above-mentioned purpose, the present invention proposes a kind of battery case, including：
Battery box body, this battery box body limits at least one and is arranged for accommodating the space of battery, described space
Interior at least provided with a pair of negative electrode shell fragment and anode shell fragment；
It is arranged in battery box body and be connected to export electricity with anode shell fragment with battery case intrinsic negative electrode shell fragment
The output circuit of stream, this output circuit has at least one pair of lead-out terminal；
It is arranged on the intrinsic output control circuit of battery case, there is voltage detection unit, current detecting unit, adjust list
Unit and the first wireless network transceiver, wherein：
Voltage detection unit is arranged for detecting the output voltage values of output circuit；
Current detecting unit is arranged for detecting the output current value of output circuit；
First wireless network transceiver is arranged for setting up the communication link of battery case and external control device, and passes through
This first wireless network transceiver receives output control instruction and by the feedback of status of battery case to external control device；
Adjustment unit is configured to adjust voltage and/or the electric current of described output circuit output according to described control instruction.
In further embodiment, described battery box body is configured to one of square, cylindrical.
In further embodiment, in described battery box body, it is provided with the multipair negative electrode shell fragment being arranged side by side and anode bullet
The combination of piece, distribution in parallel or at least in part series arrangement at least in part between multipair negative electrode shell fragment and anode shell fragment.
In further embodiment, in described battery box body, it is provided with the multipair negative electrode shell fragment being stacked and anode bullet
The combination of piece, distribution in parallel or at least in part series arrangement at least in part between multipair negative electrode shell fragment and anode shell fragment.
In further embodiment, described output circuit has a switch, is received according to the first wireless network transceiver
The enabled instruction of external control device and carry out default breakdown action so that electric current is able to export by lead-out terminal.
In further embodiment, in described battery box body, also set up film like PCM layer (Phase Change
Material, phase-change material), it is fitted on the inwall of battery box body.
In further embodiment, in described battery box body, it is additionally provided with battery allowance observation circuit, can for detection
It is placed on the surplus of the intrinsic battery of battery case, this battery allowance observation circuit is connected with the first wireless network transceiver.
According to disclosure of the invention it is also proposed that a kind of be used described battery case as the electronic equipment of electrical source of power, especially
It is electronic toy.
In further embodiment, described electronic equipment has an external remote control, this remote control unit and described battery
Box data communication by controlling the voltage of battery case and/or curent change come the motor exporting change of control electronics.
From the above technical solution of the present invention shows that, battery case proposed by the present invention and its control system and method, can lead to
Cross intelligent terminal to control output current and the output voltage of battery case, realize the adaptation to different electronic equipments such as toy,
The fortune of electronic equipment for example can be adjusted based on the operation shaken by intelligent terminal come the operation of control electronics simultaneously
OK, for example accelerate the speed of toy car, improve playability and the interest of electronic toy.
As long as it should be appreciated that all combinations of aforementioned concepts and the extra design describing in greater detail below are at this
A part for the subject matter of the disclosure is can be viewed as in the case that the design of sample is not conflicting.In addition, required guarantor
All combinations of the theme of shield are considered as a part for the subject matter of the disclosure.
Can be more fully appreciated with from the following description in conjunction with accompanying drawing present invention teach that foregoing and other aspect, reality
Apply example and feature.The feature of other additional aspect such as illustrative embodiments of the present invention and/or beneficial effect will be below
Description in obvious, or by according to present invention teach that the practice of specific embodiment in learn.
Brief description
Accompanying drawing is not intended to drawn to scale.In the accompanying drawings, identical or approximately uniform group of each illustrating in each figure
One-tenth partly can be indicated by the same numeral.For clarity, in each figure, not each ingredient is all labeled.
Now, by by example and the embodiment of various aspects of the invention is described in reference to the drawings, wherein：
Fig. 1 a-1b is the schematic diagram of the battery case according to certain embodiments of the invention, the wherein 1a exemplarily side of illustrating
The battery case of shape construction, 1b exemplarily illustrates columned battery case.
Fig. 2 is the circuit diagram of the battery case according to certain embodiments of the invention.
Fig. 3 is the circuit diagram of the battery box control system according to certain embodiments of the invention.
Specific embodiment
In order to know more about the technology contents of the present invention, especially exemplified by specific embodiment and coordinate institute's accompanying drawings to be described as follows.
Each side with reference to the accompanying drawings to describe the present invention in the disclosure, shown in the drawings of the embodiment of many explanations.
Embodiment of the disclosure must not be intended to including all aspects of the invention.It should be appreciated that multiple designs presented hereinbefore and reality
Apply example, and those designs of describing in more detail below and embodiment can in many ways in any one come real
Apply, this is because design disclosed in this invention and embodiment are not limited to any embodiment.In addition, disclosed by the invention one
A little aspects can be used alone, or with disclosed by the invention otherwise any appropriately combined using.
In conjunction with shown in Fig. 1 a-1b, Fig. 2, according to embodiments of the invention, a kind of battery case 100, including battery box body
110th, output circuit 120 and output control circuit 130.
Battery box body 110, limit at least one be arranged for accommodate battery space, in this space at least provided with
A pair of negative electrode shell fragment 111 and anode shell fragment 112.Each cell card and a pair of negative electrode shell fragment 111 and anode shell fragment 112 it
Between.Cell can be lithium battery, Ni-MH battery or other types battery.These batteries can recharging or can not two
Secondary charging.
As seen in figure la and lb, battery box body 110 can be configured to square or cylindrical, certainly in other example
In, can be also configured to other reasonable and demand shapes.
Output circuit 120, be arranged on inside battery box body 110 and with battery case intrinsic negative electrode shell fragment 111 and sun
Pole shell fragment 112 connects in order to output current, and this output circuit 20 has at least one pair of lead-out terminal (121,122), is arranged on electricity
The surface of pond box body 110.The electricity this battery case 100 being used as power supply is outputed current to by lead-out terminal (121,122)
Sub- equipment, such as electronic toy, electric toy car, electric toy train, electric toy airplane etc..
Output circuit 120 has a switch 123, and switch 123 is connected to first lead-out terminal 121 or the second lead-out terminal
122, switch 123 enabled instructions of external control device receiving according to the first wireless network transceiver and carry out default unlatching
Action makes electric current be able to export by lead-out terminal.
Output control circuit 130 is arranged in battery box body, has voltage detection unit 132, current detecting unit
133rd, adjustment unit 134 and the first wireless network transceiver 135.
Voltage detection unit 132 is arranged for detecting the output voltage values of output circuit.
Current detecting unit 133 is arranged for detecting the output current value of output circuit.
First wireless network transceiver 135 is arranged for setting up the communication chain of battery case 100 and external control device 200
Road, and output control instruction is received by this first wireless network transceiver 135, and the state of battery case is for example exported electricity
Pressure value, output current value and following battery allowance that will be mentioned that feed back to external control device 200.
It should be appreciated that battery case 100 can set up communication link from different external control device 200, it is controlled by electricity
The output of pond box.
In certain embodiments, same time battery case 100 set up with the connection of an external control device 200 and
After control planning, repel the connection of another external control device and/or the foundation of control, the external control dress connecting except non-present
Put disconnection.
Adjustment unit 134 be configured to according to described control instruction adjust the output of described output circuit 120 voltage and/or
Electric current, outputs current to, by lead-out terminal (121,122), the electronic equipment this battery case 100 being used as power supply, it is right to realize
The control of the running status of these electronic equipments.
In some optional examples, in battery box body 110, it is provided with the multipair negative electrode shell fragment being arranged side by side and anode
The combination of shell fragment, in parallel at least in part between multipair negative electrode shell fragment 111 and anode shell fragment 112 be distributed or go here and there at least in part
Connection distribution.
In further embodiments, 110 it is provided with the multipair negative electrode shell fragment being stacked and anode bullet in battery box body
The combination of piece, between multipair negative electrode shell fragment 111 and anode shell fragment 112, parallel connection is distributed or connects at least in part at least in part
Distribution.
Preferably, film like PCM layer (Phase Change Material, phase transformation material are also set up in battery box body 110
Material), it is fitted on the inwall of battery box body, improve for the radiating to battery in the exporting change of battery case.
In conjunction with Fig. 2 it is preferred that being additionally provided with battery allowance observation circuit 140 in battery box body 110, can for detection
It is placed on the surplus of the intrinsic battery of battery case, this battery allowance observation circuit 140 is connected with the first wireless network transceiver.
In conjunction with shown in Fig. 3, a kind of battery box control system, including aforementioned battery case 100 and for controlling battery case
Device 200.
Device 200 can be the tool such as panel computer, notebook computer, handheld-type intelligent communication terminal, digital processing terminal
There is one of electronic installation of communication and processing function, including control unit 210, motion sensor 220, second wireless network
Transceiver 230 and user interface 240, user interface 240, motion sensor 220 are all connected with control unit 210.
User interface 240 is arranged for electric current and/or the voltage control instructions of receiving user's input, and by described control
Unit 210 generates corresponding regulating command signal, is sent to battery case by second wireless network transceiver 230.
Motion sensor 220 is arranged for the kinestate of induction installation and movement state information is sent to control dress
Put, the change that control device 210 is further configured to based on kinestate generates corresponding regulating command signal, by the second wireless network
Network transceiver 230 sends to battery case.
Battery case 100 receives regulating command signal via the first wireless network transceiver 135, and adjustment unit 134 is according to this
The voltage of output circuit 120 output and/or electric current described in regulating command Signal Regulation.
Preferably in scheme, motion sensor 220 is configured to monitor for the acceleration at least one direction for the device 200
Degree, control unit 210 reaches to generate during the threshold value of setting based on the monitor value of acceleration increases the regulation of curtage output
Command signal.
In some instances, when control unit 210 is provided in the accekeration monitoring and reaches given threshold, with plus
The monitor value of speed generates with becoming positive correlation increases the regulating command signal of curtage output.
For example, using smart mobile phone as the device 200 controlling battery case, can be opened on electric toy car by smart mobile phone
The switch of the output circuit 120 of battery case using so that electric toy car starts to run, when user's shake mobile phone, when shaking
When dynamic amplitude/frequency reaches certain value, the accekeration in certain direction in response to detecting reaches threshold value, then intelligence
Can will send the instruction adjusting electric current to battery case 100 by mobile phone, battery case 100 adjusts electric current output according to this instruction, increases
Electric current, thus driving the motor speed raising Accelerating running of electric toy car to run, improves interesting.Meanwhile, if still added
Speed shake, then the control instruction that smart mobile phone exports to battery case 100 transmission high current, thus defeated by the electric current of battery case
Go out to control electric toy car to further speed up and run, shake is faster, and toy car is run faster.
Motion sensor 220 includes at least one in acceleration transducer or gyroscope.
According to disclosure of the invention it is also proposed that a kind of be used any one battery case 100 aforementioned as the electronics of electrical source of power
Equipment, especially electronic toy, are controlled by device 200 such as smart mobile phone, realize the change of battery case output, thus changing
The change of the rotating speed of motor and/or light in electronic toy, improves playability, suitability and interest.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention.The affiliated skill of the present invention
Has usually intellectual, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations in art field.Cause
This, protection scope of the present invention ought be defined depending on those as defined in claim.
Claims (10)
1. a kind of battery case is it is characterised in that include：
Battery box body, this battery box body limits at least one and is arranged for accommodating the space of battery, in described space extremely
It is provided with a pair of negative electrode shell fragment and anode shell fragment less；
It is arranged in battery box body and be connected in order to output current with anode shell fragment with battery case intrinsic negative electrode shell fragment
Output circuit, this output circuit has at least one pair of lead-out terminal；
Be arranged on the intrinsic output control circuit of battery case, have voltage detection unit, current detecting unit, adjustment unit with
And first wireless network transceiver, wherein：
Voltage detection unit is arranged for detecting the output voltage values of output circuit；
Current detecting unit is arranged for detecting the output current value of output circuit；
First wireless network transceiver is arranged for setting up the communication link of battery case and external control device, and by this
One wireless network transceiver receives output control instruction and by the feedback of status of battery case to external control device；
Adjustment unit is configured to adjust voltage and/or the electric current of described output circuit output according to described control instruction.
2. battery case according to claim 1 it is characterised in that described battery box body be configured to square, cylindrical in
One kind.
3. battery case according to claim 1 is it is characterised in that be provided with multipair being arranged side by side in described battery box body
The combining of negative electrode shell fragment and anode shell fragment, distribution in parallel or extremely at least in part between multipair negative electrode shell fragment and anode shell fragment
Partially series arrangement.
4. battery case according to claim 1 is it is characterised in that be provided with multipair being stacked in described battery box body
The combining of negative electrode shell fragment and anode shell fragment, distribution in parallel or extremely at least in part between multipair negative electrode shell fragment and anode shell fragment
Partially series arrangement.
5. the battery case according to claim 3 or 4 is it is characterised in that described output circuit has a switch, according to first
The enabled instruction of the external control device that wireless network transceiver receives and carry out default breakdown action so that electric current is led to
Cross lead-out terminal output.
6. battery case according to claim 1 is it is characterised in that also set up film like PCM layer in described battery box body,
It is fitted on the inwall of battery box body.
7. battery case according to claim 1 is it is characterised in that be additionally provided with battery allowance prison in described battery box body
Slowdown monitoring circuit, can be placed in the surplus of the intrinsic battery of battery case, this battery allowance observation circuit is wireless with first for detection
Network transceivers connect.
8. a kind of battery case any one described in is used in described claim 1-7 as the electronic equipment of electrical source of power, should
Electronic equipment has the motor of drive electronics walking, drives described motor in response to the exporting change of described battery case
Output speed changes.
9. electronic equipment according to claim 1 is it is characterised in that described electronic equipment has an external remote control,
This external remote control controls electricity with described battery case data communication and by controlling the voltage of battery case and/or curent change
The motor exporting change of sub- equipment.
10. electronic equipment according to claim 1 is it is characterised in that this electronic equipment includes electronic toy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611067344.XA CN106486626A (en) | 2016-11-28 | 2016-11-28 | Battery case and the electronic equipment using this battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611067344.XA CN106486626A (en) | 2016-11-28 | 2016-11-28 | Battery case and the electronic equipment using this battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106486626A true CN106486626A (en) | 2017-03-08 |
Family
ID=58274460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611067344.XA Pending CN106486626A (en) | 2016-11-28 | 2016-11-28 | Battery case and the electronic equipment using this battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106486626A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111275954A (en) * | 2020-01-19 | 2020-06-12 | 环旭电子股份有限公司 | Wireless switch control device and method |
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|---|---|---|---|---|
| US20030027042A1 (en) * | 2001-07-31 | 2003-02-06 | Yu-Huei Huang | Closed type battery case |
| CN201112512Y (en) * | 2007-08-01 | 2008-09-10 | 宝安区沙井万丰协粮塑胶模具五金厂 | Multifunctional charging and power-supplying system |
| CN201658845U (en) * | 2010-04-20 | 2010-12-01 | 华中科技大学 | Gesture type remote toy controller |
| CN102472795A (en) * | 2009-07-09 | 2012-05-23 | 三美电机株式会社 | Cell pack, semiconductor device, portable apparatus, and full charge reporting method |
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| CN205489647U (en) * | 2016-02-18 | 2016-08-17 | 成都西禾智能科技有限公司 | Intelligence battery case |
| CN208208808U (en) * | 2016-11-28 | 2018-12-07 | 南京九致信息科技有限公司 | Battery case and the electronic equipment for using the battery case |
-
2016
- 2016-11-28 CN CN201611067344.XA patent/CN106486626A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030027042A1 (en) * | 2001-07-31 | 2003-02-06 | Yu-Huei Huang | Closed type battery case |
| CN201112512Y (en) * | 2007-08-01 | 2008-09-10 | 宝安区沙井万丰协粮塑胶模具五金厂 | Multifunctional charging and power-supplying system |
| CN102472795A (en) * | 2009-07-09 | 2012-05-23 | 三美电机株式会社 | Cell pack, semiconductor device, portable apparatus, and full charge reporting method |
| CN201658845U (en) * | 2010-04-20 | 2010-12-01 | 华中科技大学 | Gesture type remote toy controller |
| CN104241730A (en) * | 2013-06-13 | 2014-12-24 | 南京德朔实业有限公司 | Battery pack with heat dissipation system |
| CN203871407U (en) * | 2014-06-11 | 2014-10-08 | 黄大伦 | Battery box and pole piece set thereof |
| CN205141098U (en) * | 2015-11-05 | 2016-04-06 | 苏州宝时得电动工具有限公司 | Battery pack |
| CN205489647U (en) * | 2016-02-18 | 2016-08-17 | 成都西禾智能科技有限公司 | Intelligence battery case |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111275954A (en) * | 2020-01-19 | 2020-06-12 | 环旭电子股份有限公司 | Wireless switch control device and method |
| US11418229B2 (en) | 2020-01-19 | 2022-08-16 | Universal Scientific Industrial (Shanghai) Co., Ltd. | Wireless switch control device and method |
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Application publication date: 20170308 |
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