CN103138345A - Mobile power supply and conversion device thereof - Google Patents
Mobile power supply and conversion device thereof Download PDFInfo
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- CN103138345A CN103138345A CN2013100514922A CN201310051492A CN103138345A CN 103138345 A CN103138345 A CN 103138345A CN 2013100514922 A CN2013100514922 A CN 2013100514922A CN 201310051492 A CN201310051492 A CN 201310051492A CN 103138345 A CN103138345 A CN 103138345A
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- conversion equipment
- power brick
- power source
- brick
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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
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Abstract
The invention relates to a mobile power supply and a conversion device thereof. The mobile power supply and the conversion device thereof are simple in structure, reliable in performance, wide in application range and low in cost. The mobile power supply is composed of the conversion device and a battery pack which is matched with the mobile power supply, a direct current (DC)-DC transformation circuit board is arranged in a shell body of the conversion device, an output port of which the output voltage is DC 3.0-3.5 volt (V) is arranged on the circuit board, a secondary battery, a battery pack input port and a battery pack output port which are included in the shell body of the battery pack are arranged on the battery pack, the nominal voltage of the battery pack which is matched with the conversion device is greater than or equal to 6V, a lithium secondary battery pack is optimally selected, and corresponding connecting ports are arranged on the conversion device and the battery pack. Connection and isolation of the conversion device and the battery pack are achieved, the DC-DC transformation circuit board is a DC-DC voltage-lowering circuit board which corresponds to the matched battery pack, and an inductive voltage-lowering circuit board is preferentially selected.
Description
Technical field
The present invention relates to a kind of portable portable power source, is the power supply of the electric power supplies such as digital product, small electric apparatus, little charging be electric or charging, is a kind of stand-by power supply; The invention still further relates to a kind of conversion equipment of portable power source, conversion equipment can be combined into portable power source with power brick.
Secondary cell is rechargeable battery, and secondary cell divides by material, mainly contains lead-acid battery, nickel-based battery (nickel-cadmium cell and Ni-MH battery), lithium secondary battery (ferric phosphate lithium cell, cobalt acid lithium battery, ternary lithium battery and poly-lithium battery) etc.; Secondary cell divides by shape, mainly contains prismatic battery and sheet battery.Portable power source mainly adopts lithium secondary battery, as ferric phosphate lithium cell, cobalt acid lithium battery, ternary lithium battery and poly-lithium battery.
Background technology
Existing common portable power source, be provided with the lithium secondary battery of or the lithium secondary battery of a plurality of parallel connections, the DC-DC booster circuit plate that is connected with battery in its housing, DC-DC booster circuit plate is provided with the output interface that output voltage is DC5V, portable power source can be digital product, small electric apparatus power supply or charging by connecting line, is these little electric stand-by power supplies.
The lithium secondary battery of this portable power source normally is contained in the portable power source housing, lithium secondary battery can not separate simply with portable power source usually, the battery capacity of portable power source is certain, it depends on the capacity with built-in secondary cell, and general user can not change battery and increase-volume upgrading.This portable power source can only be little electric power supply or the charging of DC5V for input voltage, and therefore the application surface of this portable power source is smaller, utilance is low, user's use cost is also higher.
The time of this portable power source listing is not long yet, also there is no at present corresponding national standard and industry standard, and the quality of the portable power source in society is very different.The cost of the lithium secondary battery in this portable power source accounts for 70% of portable power source total cost, some illegal manufacturers are for pursuing juice, adopt lithium battery inferior, just may cause the user that the accident of lithium battery blast and burning in use occurs, cause any property loss and personal injury, this has further affected purchase and the use of user to this portable power source.
Summary of the invention
The object of the invention is to: the relatively low portable power source of a kind of simple in structure, dependable performance, use cost and the conversion equipment of portable power source are provided.
Portable power source of the present invention is achieved through the following technical solutions:
portable power source, it by conversion equipment and with it adaptive power brick consist of, be provided with DC-DC transforming circuit plate in the housing of conversion equipment, circuit board is provided with the output interface that output voltage is DC3.0～5.5V, be provided with the secondary cell and the power brick input interface that are included in the power brick housing on power brick, output interface, the adaptive power brick of conversion equipment is the power brick of rated voltage 〉=6V, be preferably the lithium secondary battery power brick, conversion equipment and power brick are provided with corresponding connecting interface, the joint that can realize conversion equipment and power brick with separate, DC-DC transforming circuit plate in conversion equipment is and the corresponding DC-DC reduction voltage circuit of adaptive power brick plate, be preferably inductance reduction voltage circuit plate.
Portable power source by conversion equipment and with it adaptive power brick two parts consist of, conversion equipment and power brick are that portable power source can engage separable two parts, both can carry out Engage and disengage as required, conversion equipment and power brick engage and separate the joint that refers to mechanical structure and circuit between the two and separate, conversion equipment and power brick are provided with corresponding connecting interface, the user is as long as need not just can realize that conversion equipment engages with power brick and separates user-friendly use by tool using by simple motion.Lithium secondary battery has that discharge voltage is stable, volume is little, capacity is high, portable advantage, so the preferred lithium secondary batteries power brick.The power brick of this portable power source is that the user can change, and be also to realize portable power source is carried out the increase-volume upgrading by being equipped with the larger power brick of second power brick or capacity, so user's selectable range is larger.The output voltage of this portable power source is DC3.0～5.5V, can be electric power supply or the charging such as digital product, small electric apparatus, little charging be electric, again can be for being relatively independent power brick, the direct current of output rated voltage 〉=6V is other electric power supply or charging, therefore the application surface of portable power source and power brick is wider, and the utilance of power brick is higher.
The invention has the advantages that: the power brick of portable power source can be changed, also can the increase-volume upgrading.The application surface of portable power source and power brick is also wider simultaneously, and the utilance of power brick is also higher, can reduce like this generation of electronic waste, is the comparison environmental protection.
Conversion equipment and power brick are provided with corresponding connecting interface, and the user is as long as need not just can realize that conversion equipment engages with power brick and separates user-friendly use by tool using by simple motion.Input voltage 〉=the 6V of the DC-DC transforming circuit plate in conversion equipment, and output voltage is DC3.0～5.5V, so the DC-DC transforming circuit plate in conversion equipment is and the corresponding DC-DC reduction voltage circuit of adaptive power brick plate.The inductance reduction voltage circuit has high conversion efficiency, and circuit is very not complicated yet, and cost is not high yet, and it is more satisfactory selecting inductance reduction voltage circuit plate.
The output voltage of portable power source is DC3.0～5.5V, can be a certain numerical value of voltage such as DC5V or DC3.6V, can be also a certain scope of the voltage such as DC3.6～5V, concrete output voltage can be electric according to digital product, small electric apparatus, little charging etc. the suitable voltage of electric power supply or charging come fixed.The output interface of conversion equipment is arranged on DC-DC reduction voltage circuit plate, is convenient to the batch production of conversion equipment.Output interface can certainly be arranged on outside the DC-DC reduction voltage circuit, this is the simple accommodation of the technical program, belongs to the protection range of this patent.The switch of control circuit also can be set on conversion equipment, and switch can be arranged on DC-DC reduction voltage circuit plate, also can be arranged on outside the DC-DC reduction voltage circuit, can grasp flexibly according to actual conditions.
This portable power source is the middle further Improvement and perfection of measure of describing by the following technical programs.
The adaptive power brick of conversion equipment is one to be applicable to the electric power brick of charging, portable power source and charging is electric can general same power brick.
Charging electric can be a kind of in the utensils such as ligthing paraphernalia, electric heating appliance, electric device, electroacoustic utensil, massage apparatus, cleaning appliance, measuring appliance, shooting utensil, as massager, dust catcher, emergency light etc., the electric power brick of charging is exactly the electric separable power brick of these chargings.The power brick of portable power source, can be portable power source and the power brick electric collaborative design of charging, can be mutually general, it can be also the electric separable power brick of existing charging, power brick can engage with conversion equipment and consist of portable power source, output voltage is DC3.0～5.5V, is electric power supply or the charging such as digital product, small electric apparatus, little charging be electric; Can directly give charging electric power supply again, output 〉=6V voltage so just can enlarge the power brick supply district, and the utilance of power brick has also just improved naturally.
The power brick of portable power source is the electric power brick of compatible charging, the power brick of portable power source just need not be equipped with separately, can utilize the electric power brick of existing charging to provide power supply for conversion equipment, the charger of portable power source also can utilize the electric charger of existing charging, so just can save the purchase cost of portable power source, also can reduce the generation of electronic waste.
The adaptive power brick of conversion equipment is one to be applicable to the power brick of charging electric instrument, and portable power source and charging electric instrument can general same power brick.The charging electric instrument is the industry of present comparative maturity, and the battery of charging electric instrument is surrounded by corresponding test stone and detects standard, is progressively seriation, standardized power brick.The charging electric instrument is one of instrument of generally being equipped with of family, the power brick of the compatible charging electric instrument of conversion equipment, the power brick of portable power source just need not be equipped with separately, can utilize the power brick of existing charging electric instrument to provide power supply for conversion equipment, the charger of portable power source also can utilize the charger of existing charging electric instrument, so just can save the purchase cost of portable power source, also can reduce the generation of electronic waste.
The connecting interface of conversion equipment realizes that by Plug Action conversion equipment engages with power brick and separates for receiving the socket of power brick.Connecting interface is conversion equipment simple in structure of outlet structure, and conversion equipment can be included in a part of volume of power brick in its cavity, so volume is little, is fit to receive the less power brick of capacity relative.
The connecting interface of conversion equipment realizes that by slip conversion equipment engages with power brick and separates for receiving the chute of power brick.Connecting interface is that the conversion equipment of sliding groove structure is reliable with engaging of power brick, is fit to the larger power brick of reception capacity.
The output interface of conversion equipment is DC socket or DC plug, is preferably USB socket or with the DC plug of certain-length connecting line.Conversion equipment is its power supply or charging by being with corresponding DC plug or DC socket connecting line and little being electrically connected.The output interface of conversion equipment is USB socket, and is the digital product general-purpose interface with the connecting line of USB plug accordingly, can facilitate digital product power supply or charging; The output interface of conversion equipment is the DC plug with the certain-length connecting line, and DC plug can be directly adaptive little electric power supply or charging.
Be provided with the cavity that receives power brick in conversion equipment, the cross section of cavity can contain the cross section of three monomer secondary cells of or two or distribution triangular in shape at least.In the cavity of conversion equipment, but the power brick of a monomer secondary cell is contained on partial insertion top, more representational battery is surrounded by 14.4V nickel-cadmium cell bag and the hundred 14.4V nickel-cadmium cell bags that get of BOSCH, and this class power brick is generally nickel-cadmium cell bag or Ni-MH battery bag; Can insert top in the cavity of conversion equipment and contain two monomer secondary cells power brick side by side, more representational battery is surrounded by the hundred 7.2V lithium battery bags that get, and engaging by this class power brick and conversion equipment the portable power source that forms has certain capacity and smaller size smaller; Can insert the power brick that three monomer secondary cells of distribution triangular in shape are contained on top in the cavity of conversion equipment, more representational battery is surrounded by the 10.8V lithium battery bag of BOSCH, M12REDLITHIUM12V and the M12XC High Gapacity lithium battery bag of Milwaukee, one of most widely used power brick of this class power brick, have certain capacity and smaller size smaller, engaging by it and conversion equipment the portable power source that forms also has certain capacity and smaller size smaller.The cavity of conversion equipment can receive the partial volume of power brick, can reduce the volume of corresponding portable power source.
Also be provided with electrooptic cell or electric heating element or motor or electroacoustic component on conversion equipment, conversion equipment is ligthing paraphernalia or electric heating appliance or electric device or electroacoustic utensil.Also be provided with the electrooptic cells such as bulb or LED lamp on conversion equipment, can send the light of certain brightness, satisfy the illumination needs, conversion equipment has the function of ligthing paraphernalia; Also be provided with the electric heating elements such as heating wire or Electric radiant Heating Film on conversion equipment, can send certain heat, satisfy a certain function needs, conversion equipment has the function of electric heating appliance; Also be provided with motor on conversion equipment, can realize a certain mechanical action, conversion equipment has the function of electric device; Also be provided with the electroacoustic components such as loud speaker or buzzer on conversion equipment, can sound, satisfy a certain function needs, conversion equipment has the function of electroacoustic utensil (Source Music).Conversion equipment just can integrated two or more function like this.
The technical scheme of the conversion equipment of portable power source of the present invention has had illustrated in the technical scheme of aforesaid portable power source, narrate no longer one by one at this.
Description of drawings
Fig. 1 a is the cut-away view of the first embodiment of the present invention; Fig. 1 b is the circuit diagram of Fig. 1 a.
Fig. 2 is the structural representation of an optimization embodiment of the present invention, and conversion equipment and power brick in figure are in released state.
Fig. 3 is that of the present invention another optimized the structural representation of embodiment, and conversion equipment and power brick in figure are in released state.
Embodiment
as Fig. 1 a, shown in Fig. 1 b: portable power source (10), it by conversion equipment (20) and with it adaptive power brick (30) consist of, be provided with DC-DC transforming circuit plate (22) in the housing (21) of conversion equipment (20), circuit board (22) is provided with the output interface that output voltage is DC3.0～5.5V (24a), be provided with the secondary cell (33) and the power brick input interface that are included in power brick housing (31) on power brick (30), output interface (36a), the adaptive power brick (30) of conversion equipment (20) is the power brick of rated voltage 〉=DC6V, it is the power brick that two joint lithium secondary battery series connection consist of, conversion equipment and power brick are provided with corresponding connecting interface (25a, 35a), the joint that can realize conversion equipment (20) and power brick (30) with separate, DC-DC transforming circuit plate (22) in conversion equipment (20) is and the corresponding DC-DC reduction voltage circuit of adaptive power brick plate, inductance element (28) is arranged on DC-DC reduction voltage circuit plate, DC-DC reduction voltage circuit plate is inductance reduction voltage circuit plate.The output interface (24a) of conversion equipment (20) is DC socket, and conversion equipment can be its power supply or charging by connecting line and little being electrically connected with corresponding DC plug, is output as the voltage of DC3.0～5.5V.
The conversion equipment (20) of the portable power source in Fig. 1 a (10) and power brick (30) are can engage and separable two parts, the power brick of portable power source can be changed, also can realize portable power source increase-volume upgrading by being equipped with the larger power brick of second power brick or capacity, but user's flexible choice.Can separate power brick (30) with conversion equipment (20) simultaneously, utilize the output interface (36a) of power brick (30) externally to supply the 7.2V direct current of rated voltage, realize one-machine-multi-function.
Power brick in Fig. 2 (30) is one to be applicable to the power brick of the electric tools such as Charge), and the electric tools such as conversion equipment and Charge) can general same power brick.it is larger that power brick (30) has a volume, the battery that can contain larger capacity and weight in power brick (30) housing (31), battery can be nickel-cadmium cell or Ni-MH battery, it can be also lithium secondary battery, be provided with on the housing of power brick (31) and the corresponding connecting interface (35b) of the chute (25b) of conversion equipment (20), realize that by slip conversion equipment engages with power brick and separates, chute (25b) has long connecting length with connecting interface (35b), therefore connecting interface is that the conversion equipment of sliding groove structure is reliable with engaging of power brick, be fit to the larger power brick of reception capacity.Be provided with in the housing (21) of conversion equipment (20) DC-DC reduction voltage circuit plate and with the corresponding input interface of the output interface (35b) of power brick (30), can realize conversion equipment (20) and power brick which couple, the output interface of power brick (30) is the DC plug (24b) with the certain-length connecting line, can be directly and little being electrically connected, be its power supply or charging.
the power brick (30) of the portable power source in Fig. 3 (10) is one to be applicable to the electric power brick of charging, the power brick that is particularly useful for the charging electric instrument, it is the 10.8V lithium battery bag of a similar BOSCH, it is electric that power brick is applicable to various chargings, be particularly useful for the charging electric instrument, it is portable power source, charge electric and the general power brick of charging electric instrument, be inclusive with the lithium secondary battery of three series connection in the housing (31) of power brick (30), three monomer secondary cell distributions triangular in shape, be provided with connecting interface (35c) and output interface (36c) on power brick (30)
Be provided with in the housing (21) of conversion equipment (20) DC-DC reduction voltage circuit plate and with the corresponding input interface of the output interface (35c) of power brick (30), can realize the which couple of conversion equipment (20) and power brick, the connecting interface of conversion equipment can be accepted the insertion of power brick (30) connecting interface (35c) for receiving the socket (25c) of power brick.Be provided with the cavity (29) that receives power brick in conversion equipment (20), the cross section of cavity can contain the cross section of three monomer secondary cells of distribution triangular in shape, can insert the power brick (30) that contains three monomer secondary cells in cavity (29), the portable power source (10) that is made of conversion equipment (20) and power brick (30) has certain battery capacity and smaller size smaller; Be provided with the switch (23) of control circuit on conversion equipment (20), be convenient to the conversion equipment operation and control; The output interface of conversion equipment (20) is USB socket (24c), and conversion equipment can be connected with little electric (especially digital product) by the connecting line with USB plug easily, is its power supply or charging; Conversion equipment (20) has the function of torch, is provided with the electrooptic cells such as bulb or LED lamp on conversion equipment, can send the light of certain brightness, satisfies the illumination needs.On same conversion equipment, electric heating element or motor or electroacoustic component can also be set, conversion equipment can also be ligthing paraphernalia or electric heating appliance or electric device or electroacoustic utensil, is multifunctional tool.
The power brick (30) of the portable power source in Fig. 3 (10) can not only be for charging electric and the power supply of charging electric instrument, can engage with conversion equipment again the formation portable power source is little electric (especially digital product) power supply or charging, the illumination functions that also has torch, can reduce like this user's function purchase cost, the utilance of power brick is naturally higher, so just can reduce the generation of electronic waste, be the comparison environmental protection.
The power brick of lithium secondary battery also is provided with baffle and input interface etc. usually; it is the fundamental of the power brick of lithium secondary battery; not mentioned in the above-described embodiments, be those skilled in the art's general knowledge in the industry, therefore do not do in the above-described embodiments further narration.Equally, the battery capacity indication lamp on conversion equipment can arrange by needs as the case may be flexibly.
Claims (9)
1. portable power source, it by conversion equipment and with it adaptive power brick consist of, be provided with DC-DC transforming circuit plate in the housing of conversion equipment, circuit board is provided with the output interface that output voltage is DC3.0～5.5V, be provided with the secondary cell and the power brick input interface that are included in the power brick housing on power brick, output interface, it is characterized in that: the adaptive power brick of described conversion equipment is the power brick of rated voltage 〉=6V, be preferably the lithium secondary battery power brick, conversion equipment and power brick are provided with corresponding connecting interface, the joint that can realize conversion equipment and power brick with separate, DC-DC transforming circuit plate in conversion equipment is and the corresponding DC-DC reduction voltage circuit of adaptive power brick plate, be preferably the inductance reduction voltage circuit.
2. portable power source according to claim 1 is characterized in that: the adaptive power brick of described conversion equipment is one to be applicable to the electric power brick of charging, portable power source and charging is electric can general same power brick.
3. portable power source according to claim 2 is characterized in that: the adaptive power brick of described conversion equipment is one to be applicable to the power brick of charging electric instrument, and portable power source and charging electric instrument can general same power brick.
4. portable power source according to claim 1 is characterized in that: the connecting interface of described conversion equipment realizes that by Plug Action conversion equipment engages and separates with power brick for receiving the socket of power brick.
5. want 1 described portable power source according to right, it is characterized in that: the connecting interface of described conversion equipment realizes that by slip conversion equipment engages with power brick and separates for receiving the chute of power brick.
6. portable power source according to claim 1, it is characterized in that: the output interface of described conversion equipment is DC socket or DC plug, is preferably USB socket or with the DC plug of the connecting line of certain-length.
7. portable power source according to claim 4 is characterized in that: be provided with the cavity that receives power brick in described conversion equipment, the cross section of cavity can contain the cross section of three monomer secondary cells of or two or distribution triangular in shape at least.
8. the described portable power source of arbitrary claim according to claim 1～7, it is characterized in that: also be provided with electrooptic cell or electric heating element or motor or electroacoustic component on described conversion equipment, conversion equipment is ligthing paraphernalia or electric heating appliance or electric device or electroacoustic utensil.
9. the conversion equipment of the described portable power source of claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100514922A CN103138345A (en) | 2013-01-23 | 2013-01-23 | Mobile power supply and conversion device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100514922A CN103138345A (en) | 2013-01-23 | 2013-01-23 | Mobile power supply and conversion device thereof |
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| CN103138345A true CN103138345A (en) | 2013-06-05 |
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| CN2013100514922A Pending CN103138345A (en) | 2013-01-23 | 2013-01-23 | Mobile power supply and conversion device thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346596A (en) * | 2013-06-07 | 2013-10-09 | 蔡吕乾 | Power supply of vehicle-mounted electric appliance and adaptor thereof |
| CN104242406A (en) * | 2014-09-29 | 2014-12-24 | 南京视威电子科技股份有限公司 | Battery with embedded power conversion interface and power conversion output plugin |
| CN104600766A (en) * | 2013-11-01 | 2015-05-06 | 恒耀能源股份有限公司 | Mobile power supply with series connection design |
| CN105978056A (en) * | 2015-03-13 | 2016-09-28 | 苏州宝时得电动工具有限公司 | Power supply device and power transmission device |
| CN106030960A (en) * | 2015-10-30 | 2016-10-12 | 深圳市大疆创新科技有限公司 | Holder and power supply device and external power supply device |
| CN106571436A (en) * | 2016-08-31 | 2017-04-19 | 天佑电器（苏州）有限公司 | A battery pack conversion device, an electrical appliance and an electrical assembly |
| CN107947336A (en) * | 2017-11-30 | 2018-04-20 | 徐欣欣 | A kind of charge and discharge electrical switching device |
| CN109860443A (en) * | 2017-11-30 | 2019-06-07 | 南京德朔实业有限公司 | A kind of battery pack assembly |
| CN114156983A (en) * | 2016-06-12 | 2022-03-08 | 苏州宝时得电动工具有限公司 | Universal mobile power supply |
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| TW460083U (en) * | 1999-07-19 | 2001-10-11 | Mobiletech Inc | Power conversion device |
| CN201774282U (en) * | 2010-07-16 | 2011-03-23 | 祥业科技股份有限公司 | Three-in-one lithium battery mobile power charger structure |
| CN203205901U (en) * | 2013-01-23 | 2013-09-18 | 蔡吕乾 | Portable power source and conversion apparatus thereof |
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| TW460083U (en) * | 1999-07-19 | 2001-10-11 | Mobiletech Inc | Power conversion device |
| CN201774282U (en) * | 2010-07-16 | 2011-03-23 | 祥业科技股份有限公司 | Three-in-one lithium battery mobile power charger structure |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346596A (en) * | 2013-06-07 | 2013-10-09 | 蔡吕乾 | Power supply of vehicle-mounted electric appliance and adaptor thereof |
| CN104600766A (en) * | 2013-11-01 | 2015-05-06 | 恒耀能源股份有限公司 | Mobile power supply with series connection design |
| CN104242406A (en) * | 2014-09-29 | 2014-12-24 | 南京视威电子科技股份有限公司 | Battery with embedded power conversion interface and power conversion output plugin |
| CN104242406B (en) * | 2014-09-29 | 2016-08-24 | 南京视威电子科技股份有限公司 | There is battery and the power conversion output inserter of embedded power conversion interface |
| CN105978056A (en) * | 2015-03-13 | 2016-09-28 | 苏州宝时得电动工具有限公司 | Power supply device and power transmission device |
| CN106030960A (en) * | 2015-10-30 | 2016-10-12 | 深圳市大疆创新科技有限公司 | Holder and power supply device and external power supply device |
| CN114156983A (en) * | 2016-06-12 | 2022-03-08 | 苏州宝时得电动工具有限公司 | Universal mobile power supply |
| CN106571436A (en) * | 2016-08-31 | 2017-04-19 | 天佑电器（苏州）有限公司 | A battery pack conversion device, an electrical appliance and an electrical assembly |
| CN106571436B (en) * | 2016-08-31 | 2023-04-18 | 天佑电器（苏州）有限公司 | Battery pack conversion device, electrical appliance and electrical assembly |
| CN107947336A (en) * | 2017-11-30 | 2018-04-20 | 徐欣欣 | A kind of charge and discharge electrical switching device |
| CN109860443A (en) * | 2017-11-30 | 2019-06-07 | 南京德朔实业有限公司 | A kind of battery pack assembly |
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