CN109473595A - A kind of battery protection device and wearable device - Google Patents
A kind of battery protection device and wearable device Download PDFInfo
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- CN109473595A CN109473595A CN201811573227.XA CN201811573227A CN109473595A CN 109473595 A CN109473595 A CN 109473595A CN 201811573227 A CN201811573227 A CN 201811573227A CN 109473595 A CN109473595 A CN 109473595A
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- 238000010276 construction Methods 0.000 claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000010261 cell growth Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000010977 unit operation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
-
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
-
- 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)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of battery protection device and wearable device, battery protection device is mounted on wearable device, and wearable device includes main body and is inserted into main intracorporal watchband, and main intracorporal part is inserted on watchband and forms slot；Battery protection device includes control unit, battery temperature sensor, buckle lock construction, buckling lock construction includes electromagnet and plug-in unit, one end of plug-in unit is inserted into slot, the other end of plug-in unit is located at outside slot, and the other end of plug-in unit is more than or equal to plug-in unit at a distance from electromagnet and is located at the length in slot；Battery temperature sensor acquires battery temperature signal, is sent to control unit；Control unit controls whether powering on of electromagnet according to the temperature signal received.When temperature signal is greater than given threshold, control unit control electromagnet powers on the present invention, and electromagnet generates magnetic-adsorption plug-in unit, and plug-in unit is detached from slot, and watchband is detached from main body, avoids the excessively high damage human body of battery temperature, improve user security.
Description
Technical field
The invention belongs to cell safety technical fields, specifically, being to be related to a kind of battery protection device and wearable device.
Background technique
Currently, electronic product is to improve cruising ability to take into account the frivolous of appearance again, and continuous compression cell expansion space, one
There is exception in denier battery, and less serious case leads to electronic product fever scald user, and severe one causes electronic product on fire from explosion.How in electricity
It is a difficult point that user is protected when the exception of pond.
Summary of the invention
The present invention provides a kind of battery protection devices, improve the safety of user.
In order to solve the above technical problems, the present invention is achieved by the following scheme:
A kind of battery protection device, the battery protection device are mounted on wearable device, the wearable device include main body and
Watchband, the watchband are inserted into main body, and main intracorporal part is inserted on the watchband and is formed with slot；The battery is anti-
Protection unit includes control unit, battery temperature sensor, setting in the intracorporal buckle lock construction of master, and the buckle lock construction includes
One end of plug-in unit made of electromagnet and magnetic material, the plug-in unit is inserted into slot, and the other end of the plug-in unit, which is located at, to be inserted
Outside slot, the other end of the plug-in unit is more than or equal to the plug-in unit at a distance from electromagnet and is located at the length in slot；The electricity
Pond temperature sensor acquires battery temperature signal, and is sent to control unit；Described control unit is believed according to the temperature received
The power-up state of number control electromagnet, with connecting or separating for control table band and main body.
Further, be inserted on the watchband main intracorporal part two sides be respectively formed with one described in insert
Slot, two slots are coaxial；Compatible, there are two the snap lock structure settings.
Further, the protective device further includes second spring, and one end of the second spring connects one of them
Plug-in unit, the other end of the second spring connect another plug-in unit, described when two plug-in units are inserted into respectively in corresponding slot
Second spring is in the raw；When electromagnet does not power on, two plug-in unit one end are inserted into respectively in corresponding slot；Work as electromagnetism
When iron powers on, electromagnet generates magnetic-adsorption plug-in unit, and then stretches second spring, so that two plug-in units are detached from corresponding slot.
Further, the protective device further includes battery ejection structure；The battery ejection structure includes battery flat
With the first spring, the battery is mounted in battery flat, and the battery flat has hatch, and being provided at the hatch can open
The hatch door closed；One end of first spring is resisted against one end on battery far from hatch, and the other end of first spring is solid
It is scheduled on one end in battery flat far from hatch；When the hatch door is closed, first spring is in compressive state；The control is single
Member controls the opening and closing of hatch door according to the temperature signal received.
Further, it is provided with slideway on the hatch door, sliding slot, the cabin is correspondingly arranged on the battery flat
Door is slidably connected with battery flat by slideway, sliding slot.
Further, described control unit includes comparator and MCU, and an input terminal of the comparator connects battery temperature
Sensor is spent, another input terminal of the comparator connects reference power supply, and the output end of the comparator connects MCU, described
MCU controls whether powering on of electromagnet.
Further, the protective device further includes alarm unit, and described control unit is believed according to the temperature received
Number control alarm unit operation.
Further, the protective device further includes backup power source, and described control unit is believed according to the temperature received
The operation of number control backup power source.
Further, the protective device further includes environment temperature sensor, and the environment temperature sensor acquires ring
Border temperature signal, and it is sent to control unit.
Based on the design of above-mentioned battery protection device, the invention also provides a kind of wearable devices, including the protection
Device.
Compared with prior art, the advantages and positive effects of the present invention are: battery protection device and wearing of the invention is set
It is standby, pass through design control unit, battery temperature sensor, buckle lock construction；Battery temperature sensor acquires battery temperature signal,
And it is sent to control unit, control unit powers on shape according to the temperature signal received, the electromagnet of control card buckle lock structure
State, to control whether plug-in unit is detached from slot, with connecting or separating for control table band and main body；When the temperature that control unit receives
When spending signal greater than given threshold, control unit control electromagnet is powered on, and electromagnet generates magnetic-adsorption plug-in unit, plug-in unit and electromagnetism
Iron is attached together, and plug-in unit is detached from slot, and then watchband is detached from main body, the excessively high damage human body of battery temperature is avoided, to improve
The safety of user.
After the detailed description of embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more
Add clear.
Detailed description of the invention
Fig. 1 is the circuit block diagram of one embodiment of battery protection device proposed by the invention；
Fig. 2 is the schematic diagram of one embodiment when the hatch door of battery ejection structure in Fig. 1 is closed；
Fig. 3 is the schematic diagram of one embodiment when the hatch door of battery ejection structure in Fig. 1 is opened；
The schematic diagram of one embodiment when Fig. 4 is the electromagnet power-off for buckling lock construction in Fig. 1；
Fig. 5 is the schematic diagram of one embodiment when the electromagnet of buckle lock construction in Fig. 1 powers on.
Appended drawing reference:
1, watchband；1-1, slot；1-2, slot；2, main body；
3, battery flat；4, hatch door；5, the first spring；
6, electromagnet；7, plug-in unit；
8, electromagnet；9, plug-in unit；
10, second spring；11, connecting plate；12, connecting plate.
Specific embodiment
A specific embodiment of the invention is described in more detail with reference to the accompanying drawing.
The battery protection device of the present embodiment, is mounted on wearable device, and battery is wearable device power supply.Wearable device packet
Main body 2 and watchband 1 are included, watchband 1 is inserted into main body 2, and the part being inserted into main body 2 on watchband 1 is formed with slot 1-1.
The battery protection device of the present embodiment mainly includes control unit, battery temperature sensor, the snap lock knot being arranged in main body 2
Structure etc., it is shown in Figure 1.
Buckle lock construction includes plug-in unit 7 made of electromagnet 6 and magnetic material, and the groove depth of slot 1-1 is less than the length of plug-in unit 7
Degree, one end of plug-in unit 7 are inserted into slot 1-1, and the other end of plug-in unit 7 is located at outside slot 1-1, and the other end of plug-in unit 7 is close
Electromagnet 6, the other end of plug-in unit 7 are more than or equal to plug-in unit 7 at a distance from electromagnet 6 and are located at the length in slot 1-1；Battery temperature
Sensor acquires battery temperature signal, and collected temperature signal is sent to control unit；Control unit is according to receiving
Temperature signal control electromagnet 6 power-up state, with connecting or separating for control table band 1 and main body 2.When electromagnet 6 powers off
When, one end of plug-in unit 7 is inserted into slot 1-1, and the other end of plug-in unit 7 is located at outside slot 1-1, and watchband 1 is avoided to be detached from main body
2, it is shown in Figure 4.When electromagnet 6 powers on, electromagnet 6 generates magnetic-adsorption plug-in unit 7, and plug-in unit 7 is detached from slot 1-1, watchband 1
It is detached from main body 2, so that wearable device falls off, it is shown in Figure 5.
When the temperature signal that control unit receives is greater than given threshold, control unit control electromagnet 6 is powered on, electromagnetism
Iron 6 generates magnetic-adsorption plug-in unit 7, and plug-in unit 7 is attached together with electromagnet 6, and plug-in unit 7 is detached from slot 1-1, and then watchband 1 is detached from
Main body 2 avoids the excessively high damage human body of battery temperature, improves the safety of user so that wearable device falls off.
The distance between other end and electromagnet 6 of plug-in unit 7 >=plug-in unit 7 one end are inserted into the length in slot 1-1, i.e.,
When guaranteeing that electromagnet 6 adsorbs plug-in unit 7, plug-in unit 7 can completely disengage slot 1-1, so that watchband 1 is detached from main body 2.
The battery protection device of the present embodiment passes through design control unit, battery temperature sensor, buckle lock construction；Electricity
Pond temperature sensor acquires battery temperature signal, and is sent to control unit, and control unit is according to the temperature signal received, control
The power-up state of the electromagnet of fabrication buckle lock structure, to control whether plug-in unit is detached from slot, with the company of control table band and main body
It connects or separates；When the temperature signal that control unit receives is greater than given threshold, control unit control electromagnet 6 is powered on, electricity
Magnet 6 generates magnetic-adsorption plug-in unit 7, and plug-in unit 7 is attached together with electromagnet 6, and plug-in unit 7 is detached from slot 1-1, and then watchband 1 is de-
From main body 2, so that wearable device falls off, the excessively high damage human body of battery temperature is avoided, to improve the safety of user.
In order to improve the connective stability of watchband 1 Yu main body 2, the two sides point of the part in main body 2 are inserted on watchband 1
Slot described in not being formed with one, two slots are coaxial；Compatible, there are two the snap lock structure settings.Specifically
For, it is formed with slot 1-1 in the side of watchband 1, is formed with slot 1-2, one of snap lock knot in the other side of watchband 1
Structure includes plug-in unit 7 made of electromagnet 6 and magnetic material, another buckle lock construction includes that electromagnet 8 and magnetic material are made
Plug-in unit 9；When electromagnet 6 and electromagnet 8 power off, one end of plug-in unit 7 is inserted into slot 1-1, and the other end of plug-in unit 7 is located at
Outside slot 1-1, the other end of plug-in unit 7 close to electromagnet 6, the other end of plug-in unit 7 at a distance from electromagnet 6 >=plug-in unit 7 is located at
Length in slot 1-1；One end of plug-in unit 9 is inserted into slot 1-2, and the other end of plug-in unit 9 is located at outside slot 1-2, plug-in unit 9
The other end close to electromagnet 8, the other end of plug-in unit 9 at a distance from electromagnet 8 >=plug-in unit 9 is located at the length in slot 1-2, join
As shown in Figure 4.When the temperature signal that control unit receives is greater than given threshold, control unit controls electromagnet 6 and electromagnetism
Iron 8 powers on, and electromagnet 6 generates magnetic-adsorption plug-in unit 7 and plug-in unit 7 is made to be detached from slot 1-1, and electromagnet 8 generates magnetic-adsorption plug-in unit 9
So that plug-in unit 9 is detached from slot 1-2, and then watchband 1 is detached from main body 2 and avoids the excessively high damage of battery temperature so that wearable device falls off
Human body improves the safety of user, shown in Figure 5.
In the present embodiment, in order to guarantee the connective stability of plug-in unit and slot, protective device further includes second spring 10,
The intermediate position of second spring 10 is fixed in main body 2, and one end of second spring 10 connects one of plug-in unit 7, second spring
10 other end connects another plug-in unit 9, and when electromagnet 6 and electromagnet 8 does not power on, two plug-in units are inserted into corresponding insert respectively
When in slot, second spring 10 in the raw, that is, is in the state neither compressed nor stretched.It is not powered in electromagnet
When, two plug-in unit one end are inserted into respectively in corresponding slot, realize that watchband 1 is connect with 2 ground of main body；When electromagnet powers on, electromagnetism
Iron generation magnetic-adsorption plug-in unit, and then second spring 10 is stretched, so that two plug-in units are detached from corresponding slot, realize watchband 1 and master
The separation of 2 ground of body.
Specifically, the intermediate position of second spring 10 is fixed in main body 2, and one end of second spring 10 is fixed on fixation
On plate 11, fixed plate 11 and plug-in unit 7 are fixed；The other end of second spring 10 is fixed in fixed plate 12, fixed plate 12 and plug-in unit 9
It is fixed；When one end of plug-in unit 7 is inserted into slot 1-1, one end of plug-in unit 9 is inserted into slot 1-2, second spring 10 is in
Nature, it is shown in Figure 4；If plug-in unit 7 or plug-in unit 9 will be detached from corresponding slot, force-extension second spring is needed
10, therefore, when electromagnet 6 and electromagnet 8 do not power on, guarantee that one end of plug-in unit 7 is inserted by the elastic force of second spring 10
In to slot 1-1, one end of plug-in unit 9 be inserted into slot 1-2, that is, guarantee two plug-in units be steadily incorporated into corresponding slot
It is interior, to improve the connective stability of watchband 1 Yu main body 2.When electromagnet 6 and electromagnet 8 power on, what electromagnet 6 and 8 generated
Magnetic force is greater than the elastic force of second spring 10, and electromagnet 6 generates magnetic-adsorption plug-in unit 7, stretches second spring 10, overcomes second spring
10 elastic force, so that plug-in unit 7 is detached from slot 1-1；Electromagnet 8 generates magnetic-adsorption plug-in unit 9, stretches second spring 10, overcomes the
The elastic force of two springs 10, so that plug-in unit 9 is detached from slot 1-2.
The protective device further includes the battery ejection structure in main body 2, and battery ejection structure includes 3 He of battery flat
First spring 5, battery are mounted in battery flat 3, and battery flat 3 has hatch, and the hatch door 4 that can be opened and closed is provided at hatch,
For closing hatch；One end of first spring 5 is resisted against one end on battery far from hatch, and the other end of the first spring 5 is fixed
Far from one end of hatch in battery flat 3；When hatch door 4 is closed, hatch is closed, one end of battery is resisted against on hatch door 4, battery
For the other end against the first spring 5, the first spring 5 is in compressive state, shown in Figure 2；When hatch door 4 is opened, expose hatch,
Under the action of the first 5 elastic force of spring, exits battery and popped up from hatch, it is shown in Figure 3.Battery temperature sensor acquisition electricity
Pond temperature signal, and collected temperature signal is sent to control unit；Control unit is according to the temperature signal control received
The opening and closing of hatch door processed.
When the temperature signal that control unit receives is lower than given threshold, control unit drives hatch door 4 to close；Work as control
When the temperature signal that unit receives is greater than given threshold, control unit drives hatch door 4 to open, and the first spring 5 is by battery ejection
Battery flat 3 avoids the excessively high damage human body of battery temperature.
Battery temperature sensor acquires battery temperature signal, and be sent to control unit, and control unit is according to receiving
Temperature signal controls the opening and closing of the hatch door of battery ejection structure, so that whether the first spring of control is by battery ejection；When control is single
When the temperature signal that member receives is greater than given threshold, control unit drives hatch door 4 to open, and the first spring 5 is electric by battery ejection
Pond cabin 3 prevents from leading to cell expansion, explosion etc. since battery flat space limits, avoids the excessively high damage human body of battery temperature, thus
Improve the safety of user.
For the ease of the opening and closing of hatch door 4, it is provided with slideway on hatch door 4, sliding slot, cabin are correspondingly arranged on battery flat 3
Door 4 is slidably connected with battery flat 3 by slideway, sliding slot, realizes the opening and closing of hatch door 4.Control unit is believed according to the temperature received
Number by driving unit drive hatch door 4 sliding.
In the present embodiment, control unit mainly includes AD conversion unit, comparator and MCU, and one of comparator is defeated
Enter end (such as normal phase input end) and battery temperature sensor, the temperature of battery temperature sensor acquisition are connected by AD conversion unit
Signal is transmitted to AD conversion unit and carries out analog-to-digital conversion, is then forwarded to an input terminal of comparator；Comparator it is another
A input terminal (such as inverting input terminal) connects reference power supply, and reference power supply provides reference voltage ref(given threshold), comparator
Output end connects MCU, MCU output drive signal to driving unit, and driving unit drives hatch door according to the driving signal received
Opening and closing；Moreover, MCU controls whether powering on of electromagnet.For example, the corresponding voltage signal of temperature that given threshold is 45 DEG C
Ref, such as 10V.By designing above-mentioned control unit, opening and closing and the electromagnet that hatch door is controlled according to temperature signal had both been realized
Whether powering on, and structure it is simple, it is at low cost, be easy to implement.
It is assumed that the collected battery temperature of battery temperature sensor is 30 DEG C, and after analog-to-digital conversion, corresponding voltage letter
Number be 5V, be transmitted to the normal phase input end of comparator；The reference electricity that the reference power supply of the inverting input terminal connection of comparator provides
The corresponding voltage signal of temperature that pressure is 10V(45 DEG C)；The output end of comparator exports low level to MCU, and MCU control hatch door closes
It closes and electromagnet powers off.When the collected battery temperature of battery temperature sensor is 50 DEG C, corresponding voltage signal is 15V,
It is transmitted to the normal phase input end of comparator；The reference voltage that the reference power supply of the inverting input terminal connection of comparator provides is 10V
(the corresponding voltage signal of 45 DEG C of temperature)；The output end of comparator export high level to MCU, MCU control hatch door open and
Electromagnet powers on, and for the first spring 5 by battery ejection battery flat 3, preventing from limiting due to battery flat space leads to cell expansion, explosion
Deng the excessively high damage human body of battery temperature being avoided, to improve the safety of user；Moreover, electromagnet, which powers on, generates magnetic force suction
Attached plug-in unit, so that plug-in unit is detached from slot, so that watchband and main body are detached from.
In the present embodiment, protective device further includes alarm unit, and control unit is controlled according to the temperature signal received
The operation of alarm unit.When the temperature signal that control unit receives is greater than given threshold, control unit controls alarm unit
Operation, to prompt user.
For example, the collected battery temperature of battery temperature sensor is 50 DEG C, corresponding voltage signal is 15V, is transmitted to
The normal phase input end of comparator；The reference voltage that the reference power supply of the inverting input terminal connection of comparator provides is 10V(45 DEG C
The corresponding voltage signal of temperature)；The output end of comparator exports high level to MCU, and MCU control alarm unit is alarmed, with
Warn user.
In the present embodiment, alarm unit includes indicator light, motor, buzzer etc., when the temperature that control unit receives
When signal is greater than given threshold, the flashing of control unit control instructions lamp, motor vibrations, buzzer are rung, to warn user.
In order to avoid influencing the use of user, protective device further includes backup power source (such as spare baby battery, energy storage bulky capacitor
Deng), control unit controls the operation of backup power source according to the temperature signal received.When the temperature signal that control unit receives
When greater than given threshold, control unit enables backup power source, and control backup power source operation is powered for each electricity consumption device.
In the present embodiment, protective device further includes environment temperature sensor, and environment temperature sensor acquires environment temperature
Signal, and it is sent to control unit.It further include correction unit, the temperature for being acquired according to environment temperature sensor in control unit
The temperature signal that degree signal acquires battery temperature is corrected.Specifically, the temperature signal of environment temperature sensor acquisition
After AD conversion unit carries out analog-to-digital conversion, it is sent to correction unit；The temperature signal warp of battery temperature sensor acquisition
After crossing AD conversion unit progress analog-to-digital conversion, it is sent to correction unit；Correction unit is acquired according to environment temperature sensor
The temperature signal that temperature signal acquires battery temperature is corrected, and one of the temperature signal after output calibration to comparator is defeated
Enter end.By design environment temperature sensor and correction unit, battery temperature is corrected, it is more accurately electric to obtain
Pond temperature.
Based on the design of above-mentioned battery protection device, the present embodiment also proposed a kind of wearable device, including main body 2, table
With the 1, protective device, protective device is fixed in main body 2.
By designing the protective device in wearable device, the excessively high damage human body of battery temperature is avoided, to improve
The safety of user.
It should be noted that the above description is not a limitation of the present invention, the present invention is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the essential scope of the present invention, are also answered
It belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of battery protection device, it is characterised in that: the battery protection device is mounted on wearable device, and the wearing is set
Standby includes main body and watchband, and the watchband is inserted into main body, be inserted on the watchband main intracorporal part be formed with it is slotting
Slot；
The battery protection device includes control unit, battery temperature sensor, setting in the intracorporal buckle lock construction of master, described
Buckling lock construction includes plug-in unit made of electromagnet and magnetic material, and one end of the plug-in unit is inserted into slot, the plug-in unit
The other end be located at outside slot, the other end of the plug-in unit at a distance from electromagnet be more than or equal to the plug-in unit be located in slot
Length；
The battery temperature sensor acquires battery temperature signal, and is sent to control unit；Described control unit is according to reception
The power-up state of the temperature signal control electromagnet arrived, with connecting or separating for control table band and main body.
2. protective device according to claim 1, it is characterised in that: be inserted into main intracorporal part on the watchband
Two sides be respectively formed with one described in slot, two slots are coaxial；Compatible, the snap lock structure setting has two
It is a.
3. protective device according to claim 2, it is characterised in that: the protective device further includes second spring, described
One end of second spring connects one of plug-in unit, and the other end of the second spring connects another plug-in unit, when two plug-in units
When be inserted into corresponding slot respectively, the second spring is in the raw；When electromagnet does not power on, two plug-in unit one end
It is inserted into corresponding slot respectively；When electromagnet powers on, electromagnet generates magnetic-adsorption plug-in unit, and then stretches second spring,
So that two plug-in units are detached from corresponding slot.
4. protective device according to claim 1, it is characterised in that: the protective device further includes battery ejection structure；
The battery ejection structure includes battery flat and the first spring, and the battery is mounted in battery flat, and the battery flat has cabin
Mouthful, the hatch door that can be opened and closed is provided at the hatch；One end of first spring is resisted against on battery far from hatch
One end, the other end of first spring are fixed on one end in battery flat far from hatch；When the hatch door is closed, described first
Spring is in compressive state；Described control unit controls the opening and closing of hatch door according to the temperature signal received.
5. protective device according to claim 4, it is characterised in that: slideway is provided on the hatch door, in the electricity
Sliding slot is correspondingly arranged on the cabin of pond, the hatch door is slidably connected with battery flat by slideway, sliding slot.
6. protective device according to claim 1, it is characterised in that: described control unit includes comparator and MCU, described
One input terminal of comparator connects battery temperature sensor, another input terminal of the comparator connects reference power supply, institute
Output end the connection MCU, the MCU for stating comparator control whether powering on of electromagnet.
7. protective device according to claim 1, it is characterised in that: the protective device further includes alarm unit, described
Control unit controls the operation of alarm unit according to the temperature signal received.
8. protective device according to claim 1, it is characterised in that: the protective device further includes backup power source, described
Control unit controls the operation of backup power source according to the temperature signal received.
9. protective device according to claim 1, it is characterised in that: the protective device further includes environment temperature sensing
Device, the environment temperature sensor acquires ambient temperature signal, and is sent to control unit.
10. a kind of wearable device, it is characterised in that: including protective device as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811573227.XA CN109473595A (en) | 2018-12-21 | 2018-12-21 | A kind of battery protection device and wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811573227.XA CN109473595A (en) | 2018-12-21 | 2018-12-21 | A kind of battery protection device and wearable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109473595A true CN109473595A (en) | 2019-03-15 |
Family
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| CN201811573227.XA Pending CN109473595A (en) | 2018-12-21 | 2018-12-21 | A kind of battery protection device and wearable device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646941A (en) * | 2019-10-09 | 2020-01-03 | 杭州隽珀科技有限公司 | Virtual reality glasses for preventing battery explosion by utilizing heat conduction |
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| CN110646941A (en) * | 2019-10-09 | 2020-01-03 | 杭州隽珀科技有限公司 | Virtual reality glasses for preventing battery explosion by utilizing heat conduction |
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