CN204157026U - A kind of anion earphone - Google Patents
A kind of anion earphone Download PDFInfo
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- CN204157026U CN204157026U CN201420528373.1U CN201420528373U CN204157026U CN 204157026 U CN204157026 U CN 204157026U CN 201420528373 U CN201420528373 U CN 201420528373U CN 204157026 U CN204157026 U CN 204157026U
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- anion
- generator unit
- solar cell
- earphone
- bar
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Abstract
A kind of anion earphone, comprises headset plug, earphone cord body, boost charge circuit, generator unit, generator unit connecting portion, anion generator, receiver; Described generator unit is powered to described anion generator via described boost charge circuit.The utility model environmental protection and energy saving.Described generator unit is arranged on described earphone cord body surface, and described generator unit comprises solar cell bar and piezoelectric membrane bar.The utility model environmental protection and energy saving, the anion produced effectively can purify the air near user's respiratory apparatus, especially to the flue dust of smoking etc. harmful can inhaled material clean-up effect obvious, collect mechanical energy that solar energy and earphone cord deformation pressurized produce by equipping flexible thin-film solar cell and flexible piezoelectric material on earphone cord and be converted into electric energy, being used for driving anion generator to produce anion fine-purification air by transforming the electric energy obtained and being the electronic product chargings such as mobile phone.
Description
Technical field
The utility model relates to a kind of earphone, specifically a kind of earphone with anion generator.
Background technology
The energy and environment are the most important two principal themes that the 21 century mankind pay close attention to.Along with expanding economy; the fossil energy such as coal, oil resource reduces day by day because of continuous consumption, causes serious impact and destruction, because its reserves constantly reduce widely using these fossil energies to biological environment simultaneously; price also constantly rises, and the energy crisis brought thus is also aggravated gradually.In order to realize the sustainable development of the energy, China on the one hand " increasing income ", namely develops the new and renewable sources of energies such as photoelectricity, wind-powered electricity generation, nuclear power, also wants " throttling " on the other hand, namely readjusts the energy structure, vigorously implement energy-saving and emission-reduction.
Some earphone with anion generator, have employed tone frequency channel wire and powers (CN203136106U) at present, or adopts self-powered and discharger (CN203399273U), not only not environmentally energy-conservation, and the weight that also results in earphone increases.
Summary of the invention
The purpose of this utility model is, provides a kind of anion earphone.
for the scheme of dealing with problems
To achieve these goals, the utility model provides a kind of anion earphone, comprises headset plug, earphone cord body, boost charge circuit, generator unit, generator unit connecting portion, anion generator and receiver; Described generator unit is powered to described anion generator via described boost charge circuit.
Preferably, described generator unit is arranged on described earphone cord body surface, described generator unit comprises solar cell bar and piezoelectric membrane bar, described generator unit arranges at least two, connected by described generator unit connecting portion between described generator unit, described solar cell bar and described piezoelectric membrane bar are electrically connected with described boost charge circuit respectively.
Preferably, described generator unit is provided with rectification circuit, described piezoelectric membrane bar is connected with described rectification circuit, be connected in series between described piezoelectric membrane bar, described boost charge circuit is provided with battery charger, and described rectification circuit is connected with the described battery charger on described boost charge circuit.
Preferably, described boost charge circuit is provided with booster circuit, is connected in parallel, and is connected with described booster circuit between described solar cell bar.
Preferably, the data line interface be arranged on described boost charge circuit is also comprised.
Preferably, described anion generator is arranged on point prong of described earphone cord body.
Preferably, described battery charger is BQ25504 piezoelectric membrane lithium battery charging circuit.
Preferably, described booster circuit is TPS61200 solar cell booster circuit.
Preferably, described earphone cord body and described generator unit form earphone cord.
Described earphone cord has the conductive metal core for conducting electrical signals.
The first insulating barrier around described conductive metal core be made up of insulating material.
The side of described first insulating barrier cross section is provided with the first electrode layer, described first electrode layer is provided with described piezoelectric membrane bar, described piezoelectric membrane bar is provided with the second electrode lay, described the second electrode lay is provided with the second insulating barrier be made up of insulating material, and described second insulating barrier is provided with described solar cell bar.
The opposite side of described first insulating barrier cross section is provided with described solar cell bar.
Preferably, described first insulating barrier is thin insulating glue, and described conductive metal core is bonding by described first insulating barrier with described first electrode layer, and described conductive metal core is bonding by described first insulating barrier with described solar cell bar;
The upper and lower surface of described piezoelectric membrane bar is coated with described first electrode layer and described the second electrode lay;
Described second insulating barrier is thin insulating glue, and described the second electrode lay is bonding by described second insulating barrier with described solar cell bar.
Preferably, described solar cell bar is thin film cell layer, and described thin film cell layer is three junction amorphous silicon germanium solar cells.
beneficial effect
The utility model first passage is equipped flexible thin-film solar cell and flexible piezoelectric material to the mechanical energy of collecting solar energy and earphone cord deformation pressurized and producing and is converted into electric energy on earphone cord, is used for driving anion generator to produce anion fine-purification air by transforming the electric energy obtained and is the electronic product chargings such as mobile phone.Wherein anion generator is arranged on earphone cord and divides prong place; near the respiratory apparatus of user; the anion produced effectively can purify the air near user's respiratory apparatus; especially to the flue dust of smoking etc. harmful can inhaled material clean-up effect obvious, thus certain protective effect is played to the health of user.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of anion earphone described in the utility model;
Fig. 2 is earphone cord body and the generator unit cross-sectional view of a kind of anion earphone described in the utility model;
Fig. 3 is the TPS61200 solar cell booster circuit figure of a kind of anion earphone described in the utility model;
Fig. 4 is the BQ25504 piezoelectric membrane lithium battery charging circuit figure of a kind of anion earphone described in the utility model.
Embodiment
Be clearly and completely described the technical scheme in the utility model embodiment below, obviously, described embodiment is only the utility model section Example, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of anion earphone, comprises headset plug 1, earphone cord body 9, boost charge circuit 3, generator unit 4, generator unit connecting portion 5, anion generator 6 and receiver (not shown); Described generator unit 4 is powered to described anion 6 generator via described circuit mould 3 pieces.
Preferably, the data line interface 2 be arranged on described boost charge circuit 3 is also comprised.Preferably, described anion generator 6 is arranged on point prong place of described earphone cord body 9.
Preferably, anion generator 6 also comprises anion generation end 7.Anion produces end 7 and plastic wire can be used to carry out ladle cover, such as, can cover with the plastic wire of hollow out.
Anion earphone, the anion generation end 7 of point prong place that it comprises headset plug 1, data line interface 2 is arranged on boost charge circuit 3, generator unit 4 homogenous segmentations is arranged on earphone cord body 9, generator unit connecting portion 5, anion generator 6 are arranged on earphone cord body 9, anion generator 6 can cover with hollow out hard insulation, the left and right receiver line 8 of earphone connects receiver respectively.
Preferably, described generator unit 4 is arranged on described earphone cord body 9 surface, described generator unit 4 comprises solar cell bar and piezoelectric membrane bar, described generator unit 4 is two or more, connected by described generator unit connecting portion 5 between described generator unit 4, described solar cell bar and described piezoelectric membrane bar are electrically connected with described boost charge circuit 3 respectively.
Preferably, described generator unit 4 is provided with rectification circuit, described piezoelectric membrane bar is connected with described rectification circuit, be connected in series between described piezoelectric membrane bar, described boost charge circuit 3 is provided with battery charger, and described rectification circuit is connected with the described battery charger on described boost charge circuit.
Preferably, solar cell bar is flexible thin-film solar cell bar.
Preferably, piezoelectric membrane bar is flexible piezoelectric film tape.
In a kind of possible execution mode, on earphone cord body 9, homogenous segmentations arranges generator unit 4, generator unit 4 be by earphone cord body 9 simultaneously bonding flexible thin-film solar cell bar and flexible piezoelectric film tape form, generator unit 4 homogenous segmentations is provided with the stored collapsed being beneficial to earphone cord.In view of the alternating current that the electric energy that wherein deformation of flexible piezoelectric film tape or pressurized produce is high voltage low current, needs arrange a miniature rectification circuit on each generator unit 4, AC conversion for being produced by flexible piezoelectric film is direct current, then according to the output of 4 rectification circuits, the flexible piezoelectric film on each generator unit is connected, then pass into the battery charger of boost charge circuit 3 correspondence.Preferably, rectification circuit is bridge rectifier.Preferably, battery charger is BQ25504 piezoelectric membrane lithium battery charging circuit.
Both positive and negative polarity is carried above flexible thin-film solar cell bar, the flexible thin-film solar cell bar on each generator unit 4 is in parallel, then pass into voltage booster circuit for battery corresponding in boost charge circuit 3.Preferably, voltage booster circuit for battery is TPS61200 solar cell booster circuit.
Boost charge circuit 3 is provided with headset plug 1 and data line interface 2, and being conducive to like this while use earphone, can be the electronic product chargings such as mobile phone.In view of flexible thin-film solar cell bar in electricity generation module 3 and flexible piezoelectric film tape generation mode and electric energy output form all different, therefore two kinds of circuit are designed for above-mentioned power generation situation respectively, namely above-mentioned BQ25504 piezoelectric membrane lithium battery charging circuit and TPS61200 solar cell booster circuit, and circuit element is integrated on small chip, guarantee that final output voltage is the constant voltage of 5V, thus realize driving anion generator and power for the electronic product such as mobile phone.Circuit element in two kinds of circuit is integrated in miniaturization small chip being conducive to realizing boost charge circuit 3.
Generator unit connecting portion 5 does not arrange flexible thin-film solar cell bar and flexible piezoelectric film tape above, and only retaining conductive metal core, insulated hull and an other built-in wire, the constant 5V direct current that boost charge circuit 3 exports is used for driving anion generator 6 by this wire.Main because boost charge circuit 3 is arranged near headset plug 1, and anion generator 6 is arranged on earphone cord and divides prong place, both are distant, so need built-in such wire.Use such being designed with of generator unit connecting portion 5 to be beneficial to earphone cord and carry out stored collapsed.
Anion generator 6, its small volume lighter in weight is fixed on earphone cord and divides prong place, this end near user respiratory apparatus but certain safe distance will be kept, avoid causing sense of discomfort, the air near the respiratory apparatus of user can be carried out purifying and dedusting taste removal by the anion that anion generator 6 operationally produces.The rated voltage of anion generator 6 is 5V, and power is less than 0.4W.
The anion of anion generator 6 produces end 7 and produces anion, when anion generator works, can produce end 7 plastic wire of a hollow out and cover, avoid causing sense of discomfort at anion.
The width control system of earphone cord is at about 1cm, and the THICKNESS CONTROL of earphone cord, at about 3mm, can adjust the width of earphone cord and thickness according to actual conditions in practical operation.
As shown in Figure 2, earphone cord body and generator unit form earphone cord, the generalized section of this structure, and this structure known has 9 layers, is specially:
There is the conductive metal core 17 for conducting electrical signals,
The first insulating barrier 16 around described conductive metal core 17 be made up of insulating material,
The side of described first insulating barrier 16 cross section is provided with the first electrode layer 15, described first electrode layer 15 is provided with described piezoelectric membrane bar 14, described piezoelectric membrane bar 14 is provided with the second electrode lay 13, described the second electrode lay 13 is provided with the second insulating barrier 12 be made up of insulating material, described second insulating barrier 12 is provided with described solar cell bar 11
The opposite side of described first insulating barrier 16 cross section is provided with described solar cell bar 19.
Preferably, described first insulating barrier 16 is thin insulating glue, and described conductive metal core 17 is bonding by described first insulating barrier 16 with described first electrode layer 15, and described conductive metal core 17 is bonding by described first insulating barrier 16 with described solar cell bar 19;
The upper and lower surface of described piezoelectric membrane bar 14 is coated with described first electrode layer 15 and described the second electrode lay 13;
Described second insulating barrier 12 is thin insulating glue, and described the second electrode lay 13 is bonding by described second insulating barrier 12 with described solar cell bar 11.
Solar cell bar 11 and solar cell bar 19 can be arranged for split, and namely solar cell bar 11 and solar cell bar 19 are arranged respectively.Solar cell bar 11 and solar cell bar 19 also can be wholely set.
In a kind of possible execution mode, conductive metal core 17 is metal insides of conventional earphone line, for conducting electrical signals; First insulating barrier 16 is one deck thin insulating HY-303 glue, for by conductive metal core 17 and the first electrode layer 15 is bonding and insulation.Conducting metal inner core completely evenly wraps up by insulating cement, forms that one deck is thin and uniform insulated hull is simultaneously bonding by electrode layer outside conducting metal inner core.Preferably, should ensure that the seamless glue-line everywhere of bonding tight bubble-free is even.
First insulating barrier 16 is one deck thin insulating HY-303 glue, for by conductive metal core 17 with solar cell bar 19 (being preferably thin-film solar cells layer) is bonding and insulation.Conducting metal inner core completely evenly wraps up by insulating cement, forms the thin and uniform insulated hull of one deck simultaneously by bonding for thin-film solar cells layer outside conducting metal inner core.Preferably, should ensure that the seamless glue-line everywhere of bonding tight bubble-free is even.
Piezoelectric membrane bar 14 (being preferably PVDF piezoelectric membrane) its upper and lower surface is coated with the first electrode layer 15 and the second electrode lay 13 respectively, first electrode layer 15 and the second electrode lay 13 are thin metal layer, and combine closely with piezoelectric membrane bar 14 (being preferably PVDF piezoelectric membrane).
On the second electrode lay 13, even compact ground is coated with last layer insulating cement by bonding for thin-film solar cells layer closed seamless.
Preferably, solar cell bar 11 and solar cell bar 19 are thin-film solar cells layer.
Thin-film solar cells layer adopts three junction amorphous silicon germanium solar cells, other flexible thin-film solar cells that can meet the long-time deformation requirement of non-toxic and safe simultaneously also can adopt, because this patent needs can as the linear solar cell of earphone crust, need to carry out precise cutting process (such as to current three common on the market junction amorphous silicon germanium solar battery sheets, adopt laser cutting) or in the process of production three junction amorphous silicon germanium solar cells, change production technology three junction amorphous silicon germanium solar battery thin films are plated on linear backing material.
As shown in Figure 3, be TPS61200 solar cell booster circuit.
In a kind of possible execution mode, the relevant specification of flexible thin-film solar cell can be set.Gross area 16.5cm × the 16cm=264cm of flexible thin-film solar cell
2; Be divided into 22 Sunny energy battery bars, the area 10cm × 1cm of each battery bar, then respectively by all baby battery bar parallel connections (baby battery bar carries positive and negative electrode).Peak power 2W (when sunlight intensity is the strongest vertical irradiation).Output current is direct current: between 0 to 0.5A; Output voltage is also direct current: between 0 to 4V.Generally having the morning of sunlight or afternoon can reach about 0.8W at dusk, the cloudy day can to about 0.4W, and the good indoor of light can reach 0.2W.
TPS61200 solar cell booster circuit is described as follows:
Solar cell booster circuit comprises TPS61200 boost chip, electric capacity Cin, electric capacity Cvaux, electric capacity Cout, resistance Rfb1, resistance Rfb2, inductance Inductor.
Input and electric capacity Cin, one end of inductance Inductor, the VIN pin of TPS6120 boost chip, EN pin, PS pin, UVLO pin are connected.
The other end ground connection of electric capacity Cin.
The L pin of another termination TPS6120 boost chip of inductance Inductor.
The VAUX pin of the one termination TPS6120 boost chip of electric capacity Cvaux.
The other end ground connection of electric capacity Cvaux.
One end of output and resistance Rfb1, one end of electric capacity Cout, the VOUT pin of TPS6120 boost chip is connected.
The other end of resistance Rfb2 and one end of resistance Rfb2, the FB pin of TPS6120 boost chip is connected.
The other end ground connection of electric capacity Cout.
The other end ground connection of resistance Rfb2.
The GND pin of TPS6120 boost chip, PGND pin ground connection.
As shown in Figure 4, be BQ25504 piezoelectric membrane lithium battery charging circuit.
In a kind of possible execution mode, the relevant specification of piezoelectric membrane can be set.Piezoelectric membrane is preferably PVDF piezoelectric membrane.The gross area of PVDF piezoelectric membrane is 132cm
2be divided into 11 little PVDF piezoelectric membrane bars, area 10cm × the 1cm of each piezoelectric membrane bar, then respectively a bridge rectifier is set at each little PVDF piezoelectric membrane bar, this bridge circuit is utilized to be direct current the AC conversion that PVDF piezoelectric membrane produces, find from bridge rectifier output and determine the both positive and negative polarity of each PVDF piezoelectric membrane, then they being connected.Each little PVDF piezoelectric membrane bar is under the condition of normal Bending Deformation and extruding; the scope of output AC voltage is: if 0 to 0.5V. moment, unexpected stressed change was excessive very likely breaks through this scope, so protective circuit when may need to set up voltage moment is excessive suddenly.Each little PVDF piezoelectric membrane bar is under the condition of normal Bending Deformation and extruding, the scope of output AC electric current is: be difficult to measure its output current by ordinary electric meter, its current value is too small, by test, so adopt BQ25504 chip to carry out boosting voltage stabilizing process.In view of piezo-electric generating energy output is very small, a compact lithium cell store electrical energy is set when design circuit, when generating, stores release proper time.
BQ25504 piezoelectric membrane lithium battery charging circuit is described as follows:
Piezoelectric membrane lithium battery circuit comprises electric capacity Chvr, electric capacity Cref, electric capacity Cftr, electric capacity Cstor, resistance Roc2, resistance Roc1, resistance Rov1, resistance Rov2, resistance Ruv1, resistance Ruv2, resistance Rok1, resistance Rok2, resistance Rok3, inductance lbst, lithium battery, chip BQ25504.
Input and be connected with one end of electric capacity Chvr, one end of inductance L bst, one end of resistance Roc2, the VIN_DC pin of chip BQ25504.
The other end ground connection of electric capacity Chvr.
The other end of inductance L bst is connected with the LBST pin of chip BQ25504.
The other end of resistance Roc2 is connected with the VOC_SAMP pin of one end of resistance Roc1, chip BQ25504.
The other end ground connection of resistance Roc1.
VSTOR pin, the OT_PROG pin of one end of electric capacity Cfltr and one end of electric capacity Cstor, chip BQ25504 are connected.
The other end ground connection of electric capacity Cfltr.
The other end ground connection of electric capacity Cstor.
One end of resistance Rov1 is connected with one end of the VBAT_OV pin of chip BQ25504, resistance Rov2.
The other end ground connection of resistance Rov1.
The other end of resistance Rov2 is connected with one end of the VRDIV pin of chip BQ25504, resistance Ruv2, one end of resistance Rok3.
The other end of resistance Ruv2 is connected with one end of the VBAT_UV pin of chip BQ25505, resistance Ruv1.
The other end ground connection of resistance Ruv1.
The other end of resistance Rok3 is connected with one end of the OK_HYST pin of chip BQ25504, resistance Rok2.
The other end of resistance Rok2 is connected with one end of the OK_PROG pin of chip BQ25504, resistance Rok1.
The other end ground connection of resistance Rok1.
One end of electric capacity Cref is connected with the VREF_SAMP of chip BQ25504.
The other end ground connection of electric capacity Cref.
AVSS pin and the VSS pin of chip BQ25504 are connected together.
The VBAT_OK pin of chip BQ25504 is unsettled.
Export and be connected with the VBAT pin of chip BQ25504, the positive level of lithium battery.
The minus earth of lithium battery.
Earphone has become the electronic product that people carry with.People are when use earphone; earphone often can be exposed to below sunlight or with user and move and deformation pressurized; flexible thin-film solar cell is equipped and the changes mechanical energy of solar energy and earphone cord deformation pressurized is electric energy by flexible piezoelectric material on earphone cord; electric energy conversion obtained is powered for some miniaturized electronicss and is the electronic product chargings such as mobile phone, will realize the target of energy-saving and emission-reduction to a certain extent.
The utility model first passage is equipped flexible thin-film solar cell and flexible piezoelectric material to the mechanical energy of collecting solar energy and earphone cord deformation pressurized and producing and is converted into electric energy on earphone cord, is used for driving anion generator to produce anion fine-purification air by transforming the electric energy obtained and is the electronic product chargings such as mobile phone.Wherein anion generator is arranged on earphone cord and divides prong place; near the respiratory apparatus of user; the anion produced effectively can purify the air near user's respiratory apparatus; especially to the flue dust of smoking etc. harmful can inhaled material clean-up effect obvious, thus certain protective effect is played to the health of user.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should described be as the criterion with the protection range of claim.
Claims (10)
1. an anion earphone, is characterized in that, comprises headset plug, earphone cord body, boost charge circuit, generator unit, generator unit connecting portion, anion generator and receiver; Described generator unit is powered to described anion generator via described boost charge circuit;
Described generator unit is arranged on described earphone cord body surface, described generator unit comprises solar cell bar and piezoelectric membrane bar, described generator unit arranges at least two, connected by described generator unit connecting portion between described generator unit, described solar cell bar and described piezoelectric membrane bar are electrically connected with described boost charge circuit respectively.
2. a kind of anion earphone according to claim 1, it is characterized in that, described generator unit is provided with rectification circuit, described piezoelectric membrane bar is connected with described rectification circuit, be connected in series between described piezoelectric membrane bar, described boost charge circuit is provided with battery charger, and described rectification circuit is connected with the described battery charger on described boost charge circuit.
3. a kind of anion earphone according to claim 1, is characterized in that, described boost charge circuit is provided with booster circuit, is connected in parallel, and is connected with described booster circuit between described solar cell bar.
4. a kind of anion earphone according to claim 1, is characterized in that, also comprises the data line interface be arranged on described boost charge circuit.
5. a kind of anion earphone according to claim 1, is characterized in that, described anion generator is arranged on point prong of described earphone cord body.
6. a kind of anion earphone according to claim 2, is characterized in that, described battery charger is BQ25504 piezoelectric membrane lithium battery charging circuit.
7. a kind of anion earphone according to claim 3, is characterized in that, described booster circuit is TPS61200 solar cell booster circuit.
8., according to the arbitrary described a kind of anion earphone of claim 1 to 7, it is characterized in that, described earphone cord body and described generator unit form earphone cord,
Described earphone cord has the conductive metal core for conducting electrical signals,
The first insulating barrier around described conductive metal core be made up of insulating material,
The side of described first insulating barrier cross section is provided with the first electrode layer, described first electrode layer is provided with described piezoelectric membrane bar, described piezoelectric membrane bar is provided with the second electrode lay, described the second electrode lay is provided with the second insulating barrier be made up of insulating material, described second insulating barrier is provided with described solar cell bar
The opposite side of described first insulating barrier cross section is provided with described solar cell bar.
9. a kind of anion earphone according to claim 8, is characterized in that,
Described first insulating barrier is thin insulating glue, and described conductive metal core is bonding by described first insulating barrier with described first electrode layer, and described conductive metal core is bonding by described first insulating barrier with described solar cell bar;
The upper and lower surface of described piezoelectric membrane bar is coated with described first electrode layer and described the second electrode lay;
Described second insulating barrier is thin insulating glue, and described the second electrode lay is bonding by described second insulating barrier with described solar cell bar.
10. a kind of anion earphone according to claim 9, is characterized in that, described solar cell bar is thin film cell layer, and described thin film cell layer is three junction amorphous silicon germanium solar cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528373.1U CN204157026U (en) | 2014-09-15 | 2014-09-15 | A kind of anion earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528373.1U CN204157026U (en) | 2014-09-15 | 2014-09-15 | A kind of anion earphone |
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| Publication Number | Publication Date |
|---|---|
| CN204157026U true CN204157026U (en) | 2015-02-11 |
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| CN201420528373.1U Expired - Fee Related CN204157026U (en) | 2014-09-15 | 2014-09-15 | A kind of anion earphone |
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| CN (1) | CN204157026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431262A (en) * | 2020-04-28 | 2020-07-17 | 四川永联星通科技有限公司 | Solar supplementary power supply system based on primary battery and composite capacitor |
-
2014
- 2014-09-15 CN CN201420528373.1U patent/CN204157026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431262A (en) * | 2020-04-28 | 2020-07-17 | 四川永联星通科技有限公司 | Solar supplementary power supply system based on primary battery and composite capacitor |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20150915 |
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| EXPY | Termination of patent right or utility model |