CN108678914B - Multifunctional energy storage device for nuclear energy communication maintenance telephone - Google Patents
Multifunctional energy storage device for nuclear energy communication maintenance telephone Download PDFInfo
- Publication number
- CN108678914B CN108678914B CN201810460055.9A CN201810460055A CN108678914B CN 108678914 B CN108678914 B CN 108678914B CN 201810460055 A CN201810460055 A CN 201810460055A CN 108678914 B CN108678914 B CN 108678914B
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- energy storage
- end cover
- positive electrode
- jack
- shell
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- 238000004146 energy storage Methods 0.000 title claims abstract description 56
- 238000004891 communication Methods 0.000 title claims abstract description 16
- 238000012423 maintenance Methods 0.000 title abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 18
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 238000010248 power generation Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G5/00—Devices for producing mechanical power from muscle energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Battery Mounting, Suspending (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention belongs to the field of energy storage devices of nuclear power overhaul equipment, and particularly relates to a multifunctional energy storage device for a nuclear power communication overhaul telephone, which comprises a shell, a rear end cover and a rocking handle, wherein the front end of the shell is provided with the front end cover, the rear end of the shell is provided with the rear end cover, and the rear end cover is provided with the rocking handle; the front part of the shell is provided with an energy storage module; the front end of the energy storage module is provided with a positive electrode jack and a negative electrode jack, a central positive electrode contact is arranged between the positive electrode jack and the negative electrode jack, and the central positive electrode contact is connected with the positive electrode jack through a positive electrode extension wire; the periphery of the rear end cover is provided with a metal threaded ring, and the metal threaded ring is connected with a negative electrode jack through a negative electrode extension line; the front end cover is divided into a front end cover with a line and a front end cover with a column. Just can realize the device as built-in energy memory and external energy memory's switching through changing the front end housing, improve the device's integrated degree and application scope, make the device can satisfy the use of different maintenance telephones, offer convenience for nuclear power maintenance work.
Description
Technical Field
The invention belongs to the field of energy storage devices of nuclear power overhaul equipment, and particularly relates to a multifunctional energy storage device for a nuclear power communication overhaul telephone.
Background
The nuclear power overhaul is to overhaul and maintain field equipment of a power station, and mainly comprises daily maintenance and shutdown overhaul during overhaul. In the maintenance process, the staff need use dedicated communication to overhaul the phone and communicate, among the prior art, communication is overhauld the phone and is used for a dry battery, because the dry battery electric energy is limited, under the condition that does not carry enough reserve battery, in case the battery power exhausts, the phone just can't work, leads to can not keep the conversation between the staff, brings the trouble for maintenance work. Particularly, in the nuclear power overhaul work after a disaster, because no extra way is available for obtaining power, the overhaul work of people is difficult to continue. In addition, the hand-operated power generation device of the existing nuclear energy communication overhaul telephone part is integrated with the telephone, and once the hand-operated power generation device breaks down, people cannot provide electric energy for the telephone through the hand-operated power generation device. In addition, the existing energy storage device is single in use mode, and can not be switched to each other as an external power supply or an internal power supply, so that the use of the energy storage device is limited.
Disclosure of Invention
The invention aims to provide a multifunctional energy storage device for a nuclear energy communication overhaul telephone, which is used for solving the problem that the overhaul telephone cannot be used due to the depletion of a battery, providing continuous electric energy for the telephone and ensuring the continuity of conversation.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional energy storage device for a nuclear energy communication maintenance telephone comprises a shell, a rear end cover, a rocking handle, a hand-driven generator, a front end cover, an energy storage module, a direct-current voltage stabilizing module, a touch block, a spring, a front end cover with a wire, a DC output plug, a rotating block, an inserting shaft, a front end cover with a column, a top shaft, a bulge and an outer sleeve ring, wherein the front end of the shell is provided with the front end cover, the front end cover is screwed with the shell thread, the rear end of the shell is provided with the rear end cover, the rear end cover is provided with the rocking handle, and the hand-driven generator is arranged in the shell and is connected with; the method is characterized in that: the front part of the shell is provided with an energy storage module and a direct current voltage stabilizing module, the input end of the direct current voltage stabilizing module is connected with the hand generator, and the output end of the direct current voltage stabilizing module is connected with the energy storage module; the front end of the energy storage module is provided with a positive electrode jack and a negative electrode jack, the positive electrode jack and the negative electrode jack are respectively connected with a positive electrode and a negative electrode of the energy storage module, a central positive electrode contact is arranged between the positive electrode jack and the negative electrode jack, and the central positive electrode contact is connected with the positive electrode jack through a positive electrode extension line; the periphery of the rear end cover is provided with a metal threaded ring, and the metal threaded ring is connected with a negative electrode jack through a negative electrode extension line; the front end cover is divided into a front end cover with a line and a front end cover with a column; a DC output line with a DC output plug is arranged on the front end cover of the strip line, the DC output line on the front end cover of the strip line is respectively communicated with the positive jack and the negative jack, and the device is used as an external energy storage device at the moment; the middle part of the front end cover with the column is provided with a top shaft, the top shaft is in contact with the central anode contact, and the device is used as a built-in energy storage device.
In the technical scheme, the energy storage module capable of directly providing electric energy for the telephone is arranged in the energy storage device, and the energy storage module can be supplemented with electric energy through hand-operated power generation, so that the energy storage module can provide continuous electric energy for the telephone; in addition, the two front end covers arranged on the device can enable the device to be used as an internal power supply and directly installed in a battery compartment of a telephone, and also can enable the device to be used as an external power supply and provide electric energy for the telephone through an output line, so that the device can meet the use requirements of different telephones. The energy storage device is internally provided with an energy storage device which can provide electric energy for the telephone and is directly connected with the hand generator.
Preferably, the middle part of the front end cover with the wire is provided with a rotatable rotating block, the rear side surface of the rotating block is provided with two inserting shafts respectively corresponding to the anode inserting hole and the cathode inserting hole, and the DC output line is connected with the two inserting shafts. The front end cover of the strip line is connected with the shell in a screwing mode, the middle of the front end cover of the strip line is provided with a rotatable rotating block, the inserting shaft and the DC output line are arranged on the rotating block, and the front end cover of the strip line can be conveniently installed.
Preferably, the central positive contact comprises a tubular housing and a touch block movably mounted at a front port of the tubular housing, a spring is mounted inside the tubular housing, and the top shaft contacts the touch block. The center positive contact is contacted with the top shaft, the touch block contacted with the top shaft is arranged in the center positive contact, and the spring is arranged at the rear part of the touch block, so that the touch block can be in close contact, and the center positive contact is ensured to be in good contact with the top shaft.
As a further improvement, a through hole is arranged in the middle of the front end cover with the column, the top shaft movably penetrates through the through hole, so that the top shaft can move axially, and a bulge for limiting the moving range of the top shaft is arranged on the top shaft. The spring can provide thrust for the touch block, so that the touch block presses the top shaft, the top shaft is movably arranged, and the top shaft can be well contacted with the battery bin under the pushing of the touch block.
Preferably, the device is provided with an outer collar which can be snapped onto the metal threaded ring. When the wired front end cover is installed on the shell and the device is used as an external energy storage device, the outer sleeve ring is sleeved on the metal threaded ring, so that the metal threaded ring can be protected.
Preferably, the handle is foldable so that the overall size of the device can be reduced, making the device more portable. .
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design and reasonable structure, the device is provided with two sets of electrode contacts, the switching of the device as an internal energy storage device and an external energy storage device can be realized by replacing the front end cover, the integration degree and the application range of the device are improved, the device can meet the use requirements of different overhauling telephones, and the convenience is brought to nuclear power overhauling work.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a front side perspective view of a main body portion of a power generating apparatus of the present invention.
Fig. 2 is a rear perspective view of a main body portion of the power generating apparatus of the present invention.
Fig. 3 is a sectional structure view of a main body of the power generating apparatus of the present invention.
Fig. 4 is a schematic structural view of an electrode contact of a main body portion of the power generating apparatus of the present invention.
Fig. 5 is a schematic front side view of the front end cap with wires according to the present invention.
Fig. 6 is a rear side view of the front end cap with thread according to the present invention.
Fig. 7 is a schematic diagram of the front side structure of the front end cap with post according to the present invention.
Fig. 8 is a rear side view of the front end cap with post according to the present invention.
Fig. 9 is a schematic view of the front end cap with post of the present invention assembled with the main body portion as a built-in energy storage device.
Fig. 10 is a schematic view of the overall structure of the wired front end cover and the main body part as an external energy storage device after being installed.
In the figure, a shell 1, a rear end cover 2, a rocking handle 3, a metal thread ring 4, a positive electrode jack 5, a negative electrode jack 6, a central positive electrode contact 7, a negative electrode outer edge 8, a positive electrode outer line 9, a hand generator 10, an energy storage module 11, a direct current voltage stabilizing module 12, a touch block 13, a spring 14, a strip line front end cover 15, a DC output line 16, a DC output plug 17, a rotating block 18, an inserting shaft 19, a strip column front end cover 20, a top shaft 21, a protrusion 22 and an outer sleeve ring 23.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
Referring to fig. 1-10, the present invention provides a technical solution: a multifunctional energy storage device for a nuclear energy communication overhaul telephone comprises a shell 1, a rear end cover 2, a rocking handle 3, a hand-operated generator 10, a front end cover, an energy storage module 11, a direct-current voltage stabilizing module 12, a touch block 13, a spring 14, a wired front end cover 15, a DC output line 16, a DC output plug 17, a rotating block 18, an inserting shaft 19, a front end cover with a column 20, a top shaft 21, a protrusion 22 and an outer collar 23, wherein the front end of the shell 1 is provided with the front end cover which is connected with the shell 1 in a threaded screwing manner, the rear end of the shell 1 is provided with the rear end cover 2, the rocking handle 3 is arranged on the rear end cover 2, the rocking handle 3 is foldable, and the hand-operated generator 10 is installed in the shell 1 and is connected with the; the method is characterized in that: the front part of the shell 1 is provided with an energy storage module 11 and a direct current voltage stabilizing module 12, the input end of the direct current voltage stabilizing module 12 is connected with the hand generator 10, and the output end is connected with the energy storage module 11; the front end of the energy storage module 11 is provided with a positive electrode jack 5 and a negative electrode jack 6, the positive electrode jack 5 and the negative electrode jack 6 are respectively connected with the positive electrode and the negative electrode of the energy storage module 11, a central positive electrode contact 7 is arranged between the positive electrode jack 5 and the negative electrode jack 6, and the central positive electrode contact 7 is connected with the positive electrode jack 5 through a positive electrode extension line 9; the periphery of the rear end cover 2 is provided with a metal threaded ring 4, and the metal threaded ring 4 is connected with a negative electrode jack 6 through a negative electrode extension line 8; the front end cover is divided into a front end cover with a line 15 and a front end cover with a column 20; the front end cover 15 with the wire is provided with a DC output wire 16 with a DC output plug 17, the DC output wire 16 on the front end cover 15 with the wire is respectively communicated with the anode jack 5 and the cathode jack 6, at the moment, the device is used as an external energy storage device, people only need to insert the DC output plug 17 into a power socket of a telephone, and then the power can be provided for the telephone by hand-cranking power generation; the middle part of the front end cover 20 with the column is provided with a top shaft 21, the top shaft 21 is contacted with the central positive contact 7, the device is taken as a built-in energy storage device at the moment, after the device is arranged in a battery compartment of a telephone, the top shaft 21 is contacted with the positive electrode of the battery compartment, the metal threaded ring 4 is screwed with the port thread of the battery compartment taken as the negative electrode, thereby the circuit is switched on, and the electric energy can be provided for the telephone through hand-operated power generation. On the basis, a rotatable rotating block 18 is arranged in the middle of the strip line front end cover 15, two inserting shafts 19 corresponding to the positive inserting hole 5 and the negative inserting hole 6 are arranged on the rear side face of the rotating block 18, and the DC output line 16 is connected with the two inserting shafts 19. The front end cover 15 of the strip line is connected with the shell 1 in a screwing mode, a rotatable rotating block 18 is arranged in the middle of the front end cover 15 of the strip line, an inserting shaft 19 and a DC output line 16 are arranged on the rotating block 18, and the front end cover 15 of the strip line can be conveniently installed. In addition, the central positive contact 7 comprises a tubular shell and a touch block 13 movably arranged at the front port of the tubular shell, a spring 14 is arranged in the tubular shell, and the top shaft 21 is in contact with the touch block 13. The central positive contact 7 is contacted with the top shaft 21, the touch block 13 contacted with the top shaft 21 is arranged in the central positive contact 7, and the spring 14 is arranged at the rear part of the touch block 13, so that the touch block 13 can be tightly contacted, and the central positive contact 7 is ensured to be well contacted with the top shaft 21. On the basis, a through hole is arranged in the middle of the front end cover 20 with the column, the top shaft 21 movably penetrates through the through hole, so that the top shaft 21 can move axially, and a bulge for limiting the moving range of the top shaft 21 is arranged on the top shaft 21. The spring 14 will provide a pushing force to the trigger 13, so that the trigger 13 presses the top shaft 21, and the top shaft 21 is movably arranged, so that the top shaft 21 can keep good contact with the battery compartment under the pushing force of the trigger 13. In addition, the device is provided with an outer collar 23, which outer collar 23 can be snapped onto the metal thread ring 4. When the wired front end cap 15 is mounted on the housing 1 and the device is used as an external energy storage device, the outer collar 23 is fitted over the metal threaded ring 4, which protects the metal threaded ring 4.
The working principle is as follows: when the device is required to be installed in a battery compartment of a telephone to be used as a built-in energy storage device, the front end cover 20 with the column is screwed and installed at the front end of the shell 1, the rear end of the top shaft 21 is contacted with the central positive electrode contact 7 at the moment, then the device is installed in the battery compartment, the front end of the top shaft 21 is contacted with the positive electrode of the battery compartment at the moment, the metal threaded ring 4 is contacted with the negative electrode of the battery compartment, and the electric energy can be provided for the telephone by shaking the rocking handle 3; when the device is used as an external energy storage device, the wired front end cover 15 is arranged at the front end of the shell 1, the plug shaft 19 is in direct contact with the positive jack 5 and the negative jack 6 at the moment, and the DC output plug 17 is plugged into a power supply jack of a telephone so as to provide electric energy for the telephone.
The multifunctional energy storage device for the nuclear power communication overhaul telephone is reasonable in structure, two sets of electrode contacts are arranged, the device can be used as an internal energy storage device to be switched with an external energy storage device by replacing a front end cover, the integration degree and the application range of the device are improved, the device can meet the use requirements of different overhaul telephones, and convenience is brought to nuclear power overhaul work. Compared with the existing hand-operated power generation device and the telephone body integrated design, the device is more flexible and convenient to use, can reduce the failure rate and ensure the normal work of the telephone.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. Furthermore, the term "coupled" is intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a multi-functional energy memory for nuclear energy communication overhauls phone, includes shell, rear end cap, rocking handle, hand generator, front end housing, and wherein the shell front end sets up the front end housing, and the front end housing closes with the shell screw soon to be connected, and the shell rear end sets up the rear end cap, sets up the rocking handle on the rear end housing, hand generator installs in the shell to be connected its characterized in that with the rocking handle: the front part of the shell is provided with an energy storage module and a direct current voltage stabilizing module, the input end of the direct current voltage stabilizing module is connected with the hand generator, and the output end of the direct current voltage stabilizing module is connected with the energy storage module; the front end of the energy storage module is provided with a positive electrode jack and a negative electrode jack, the positive electrode jack and the negative electrode jack are respectively connected with a positive electrode and a negative electrode of the energy storage module, a central positive electrode contact is arranged between the positive electrode jack and the negative electrode jack, and the central positive electrode contact is connected with the positive electrode jack through a positive electrode extension line; the periphery of the rear end cover is provided with a metal threaded ring, and the metal threaded ring is connected with a negative electrode jack through a negative electrode extension line; the front end cover is divided into a front end cover with a line and a front end cover with a column; a DC output line with a DC output plug is arranged on the front end cover of the strip line, the DC output line on the front end cover of the strip line is respectively communicated with the positive jack and the negative jack, and the device is used as an external energy storage device at the moment; the middle part of the front end cover with the column is provided with a top shaft, the top shaft is in contact with the central anode contact, and the device is used as a built-in energy storage device.
2. The multifunctional energy storage device for a nuclear power communication service telephone as claimed in claim 1, wherein: the middle part of the front end cover with the wire is provided with a rotatable rotating block, the rear side surface of the rotating block is provided with two inserting shafts respectively corresponding to the anode jack and the cathode jack, and the DC output line is connected with the two inserting shafts.
3. The multifunctional energy storage device for a nuclear power communication service telephone as claimed in claim 1, wherein: the central positive contact comprises a tubular shell and a touch block movably mounted at the front port of the tubular shell, a spring is mounted in the tubular shell, and the top shaft is in contact with the touch block.
4. The multifunctional energy storage device for a nuclear power communication service telephone as claimed in claim 1, wherein: the middle part of the front end cover with the column is provided with a through hole, the top shaft movably penetrates through the through hole, so that the top shaft can move axially, and a bulge for limiting the moving range of the top shaft is arranged on the top shaft.
5. The multifunctional energy storage device for nuclear power communication service telephone as claimed in claim 1, wherein said device is equipped with an external collar, said external collar can be fastened on the metal screw-thread ring.
6. A multifunctional energy storage device for a nuclear power telecommunication service telephone as defined in any one of claims 1 to 5, wherein: the rocking handle is foldable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460055.9A CN108678914B (en) | 2018-05-15 | 2018-05-15 | Multifunctional energy storage device for nuclear energy communication maintenance telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460055.9A CN108678914B (en) | 2018-05-15 | 2018-05-15 | Multifunctional energy storage device for nuclear energy communication maintenance telephone |
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| Publication Number | Publication Date |
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| CN108678914A CN108678914A (en) | 2018-10-19 |
| CN108678914B true CN108678914B (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810460055.9A Active CN108678914B (en) | 2018-05-15 | 2018-05-15 | Multifunctional energy storage device for nuclear energy communication maintenance telephone |
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| CN (1) | CN108678914B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2412143A1 (en) * | 1974-03-13 | 1975-09-25 | Krone Gmbh | Portable universal power tool - has housing with accumulators in series or parallel connectable to portable transformer accepting tool housing |
| CN2322303Y (en) * | 1998-01-18 | 1999-06-02 | 尹锡禧 | Multifunctional travel power supply |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3309598A (en) * | 1964-03-31 | 1967-03-14 | Carrol M Montgomery | Dry cell battery charger utilizing automobile cigar lighter socket |
| CN201781032U (en) * | 2010-09-29 | 2011-03-30 | 广东正飞移动照明有限公司 | A lithium ion battery and a charger using the lithium ion battery |
| US9312706B2 (en) * | 2012-01-06 | 2016-04-12 | Goal Zero Llc | Reconfigurable energy storage and power supply device |
| TWM436994U (en) * | 2012-03-21 | 2012-09-01 | Guangdong Jetfast Portable Lighting Co Ltd | Illumination and moveable charging device with touch switch |
| CN106422371A (en) * | 2016-10-28 | 2017-02-22 | 南丹县青少年学生校外活动中心 | Hand-operated flash lamp |
-
2018
- 2018-05-15 CN CN201810460055.9A patent/CN108678914B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2412143A1 (en) * | 1974-03-13 | 1975-09-25 | Krone Gmbh | Portable universal power tool - has housing with accumulators in series or parallel connectable to portable transformer accepting tool housing |
| CN2322303Y (en) * | 1998-01-18 | 1999-06-02 | 尹锡禧 | Multifunctional travel power supply |
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| CN108678914A (en) | 2018-10-19 |
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