CN109794073A - A kind of novel smog generation device and its control method - Google Patents
A kind of novel smog generation device and its control method Download PDFInfo
- Publication number
- CN109794073A CN109794073A CN201910151458.XA CN201910151458A CN109794073A CN 109794073 A CN109794073 A CN 109794073A CN 201910151458 A CN201910151458 A CN 201910151458A CN 109794073 A CN109794073 A CN 109794073A
- Authority
- CN
- China
- Prior art keywords
- control
- circuit
- generation device
- execution unit
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Ventilation (AREA)
Abstract
A kind of novel smog generation device and its control method, described device includes control unit, execution unit and power supply unit, described control unit is communicated to connect with host computer and execution unit respectively, and said supply unit is electrically connected with control unit and execution unit respectively；The control method includes the following steps: S1: power supply unit is connected in closure master switch；S2: SCM program initialization is carried out；S3: it is connected using the metal-oxide-semiconductor of single chip machine controlling circuit control switch circuit, control execution unit is started to work；S4: judge whether the execution unit working time reaches preset value；S5: it is turned off using the metal-oxide-semiconductor of single chip machine controlling circuit control switch circuit, control execution unit stops working；S6: whether judgment means net cycle time reaches preset value；The present invention solves the problems, such as that safety of the existing technology is low low with reliability.
Description
Technical field
The invention belongs to novel smog generation device technical fields, and in particular to a kind of novel smog generation device and its control
Method processed.
Background technique
With social development, the fast development of smog technology makes it be widely used in all trades and professions, such as catering industry, dance
The various scenes such as the design of platform special efficacy and potted landscape artificial hillock have being related to for smog technology；The correct safety operating of smog technology not only may be used
To build the atmosphere for expressing smog and curling up, a kind of visual impact of people is given, moreover it is possible to preferably embody and use the technology
Field industry characteristic；Smog technology is based on bringing the peculiar sensory effects of people, and by means of smoking device or other are each
Class substitute builds haze effect；Using smog technology other than haze effect, it is also contemplated that its material properties, using pair
As the safety and reliability of factors, the especially technologies such as, technical costs and service life.
For smog technology at present on the market, mainly with Solid dry ice, the chemistry of liquid nitrogen heat rapid vaporization
Reaction is fabricated to smoking device；But the problems such as difficult, at high cost, temperature is low due to buying dry ice, especially dry ice or liquid nitrogen exists
Vaporization can absorb in large quantities the heat of ambient enviroment moment during generating smoke, if the contact for a long time of the skin of people or
Close to dry ice or liquid nitrogen, just it is very likely to cause Skin Cell and freezes and similar slight or extreme rats after severe scald burn injury；Not only
In this way, dry ice is the carbon dioxide of solid forms, it, can if dry ice is stored in a region without appropriate air circulation
People can be will lead to suck great amount of carbon dioxide gas and anoxic is caused to be poisoned, seriously threaten personal safety.
Summary of the invention
For above-mentioned deficiency in the prior art, the present invention proposes a kind of novel smog generation device and its control method,
For solving the problems, such as that safety of the existing technology is low low with reliability.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows:
A kind of novel smog generation device, including control unit, execution unit and power supply unit, described control unit point
It is not communicated to connect with host computer and execution unit, said supply unit is electrically connected with control unit and execution unit respectively.
Further, execution unit includes air blower and smoke generator, the air blower and smoke generator with control
Unit communication connection processed, and be electrically connected with power supply unit.
Further, smoke generator includes heating wire and carrier base, carrier base top be provided with heating wire fixing groove and
Oil storage tank, and its side one end is provided with ventilation opening, ventilation opening is connected to the bottom end of heating wire fixing groove, and heating wire is set to hair
It inside heated filament fixing groove, is communicated to connect with control unit, and it is electrically connected with power supply unit；
The material of carrier base is polylactic acid PLA material.
Further, control unit includes the single chip machine controlling circuit and switching circuit being electrically connected with power supply unit,
The single chip machine controlling circuit is communicated to connect with host computer and switching circuit respectively, the switching circuit respectively with air blower and hair
Heated filament communication connection.
Further, switching circuit is metal-oxide-semiconductor switching circuit.
Further, switching circuit includes communicating to connect with single chip machine controlling circuit and being electrically connected with power supply unit
Air blower driving switch circuit and smoke generator driving switch circuit, the air blower driving switch circuit and air blower are logical
Letter connection, the smoke generator driving switch circuit and heating wire communicate to connect.
Further, power supply unit includes the lithium battery and booster circuit in parallel being successively electrically connected, the booster circuit
Respectively with single chip machine controlling circuit, air blower driving switch circuit, smoke generator driving switch circuit, air blower and fever
Silk is electrically connected.
Further, power supply unit further includes master switch and electric-controlled switch, and master switch and electric-controlled switch are set to lithium in parallel
Between battery and booster circuit, the control terminal of electric-controlled switch and the main control chip of single chip machine controlling circuit are communicated to connect.
Further, the main control chip of single chip machine controlling circuit is the single-chip microcontroller of STC15F104W model, is turned by USB
Serial converter and host computer communicate to connect, and are provided with ECP Extended Capabilities Port and power indicator, and it is provided with wireless telecommunications mould
Block, wireless communication module and host computer communicate to connect.
A kind of control method based on novel smog generation device, includes the following steps:
S1: power supply unit is connected in closure master switch；
S2: SCM program initialization is carried out；
S3: it is connected using the metal-oxide-semiconductor of single chip machine controlling circuit control switch circuit, control execution unit is started to work；
S4: judging whether the execution unit working time reaches preset value, if then entering step S5, otherwise repeats step
Rapid S4；
S5: it is turned off using the metal-oxide-semiconductor of single chip machine controlling circuit control switch circuit, control execution unit stops working；
S6: whether judgment means net cycle time reaches preset value, if then finishing control, otherwise return step S3.
This programme the utility model has the advantages that
(1) present invention has that at low cost, materials procurement is convenient, sustainable be recycled, be easy for installation, can adjust in real time
The features such as smoke and miniaturization, and its is small in size, it is easy to carry, improve practicability, reliability and portability；
(2) single-chip microcontroller of the invention generates the wind-force of PWM wave control air blower, and then influences aerosol producer and generate smog
The size of amount, realize can real-time monitoring amount of smoke function, further improve practicability；
(3) smoke generator of the invention is avoided using dry ice or liquid nitrogen, avoids that dry-ice temperature is low, at high cost and anoxic
The problems such as poisoning, safety and reliability are higher；And the effect that changeable smog generates, behaviour are prepared by different volume ratios
The property made is stronger；
(4) PLA of the invention is a kind of novel biology base and recyclable organism degradable material, the low, intensity with price
High, the advantages that flexibility is good, it is a kind of novel environment-friendly materials, independently model and print by using 3D printing technique, completion
The production of structure, has saved cost input.
Detailed description of the invention
Fig. 1 is novel smog generation device structural block diagram；
Fig. 2 is smoke generator carrier base structural schematic diagram；
Fig. 3 is control unit structural block diagram；
Fig. 4 is single chip machine controlling circuit schematic diagram；
Fig. 5 is switching circuit structure block diagram；
Fig. 6 is air blower driving switch circuit diagram；
Fig. 7 is smoke generator driving switch circuit diagram；
Fig. 8 is booster circuit figure；
Fig. 9 is the control method flow chart based on novel smog generation device.
In figure, 1, heating wire fixing groove；2, carrier base；3, oil storage tank；4, ventilation opening.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
As shown in Figure 1, a kind of novel smog generation device, including control unit, execution unit and power supply unit, it is described
Control unit is communicated to connect with host computer and execution unit respectively, and said supply unit is electric with control unit and execution unit respectively
Property connection.
In the present embodiment, execution unit includes air blower and smoke generator, the air blower and smoke generator with
Control unit communication connection, and be electrically connected with power supply unit.
In the present embodiment, as shown in Fig. 2, smoke generator includes heating wire and carrier base 2,2 top of carrier base is provided with
Four heating wire fixing grooves 1 and oil storage tank 3, and its side one end is provided with ventilation opening 4, four heating wire fixing grooves 1 are uniformly set
It sets on the top of carrier base 2, ventilation opening 4 is connected to the bottom end of heating wire fixing groove 1, and heating wire is set to heating wire fixing groove 1
Inside is communicated to connect with control unit, and it is electrically connected with power supply unit；
The material of carrier base 2 is polylactic acid PLA material；
Heating wire selects the NI80 Eric Clapton fancy heating wire of three cores, and resistance value is 0.5 Ω, and selection is appropriate long as needed
Two curly hair heated filaments of degree are fixed on inside the heating wire fixing groove 1 of the carrier base 2 made by 3D printing technique, and heating wire twines
Around shape, hollow space fills up cotton；Carrier base 2 is equipped with square slot, that is, oil storage tank 3 of storage self-control tobacco tar, more after being stoppered
Remaining cotton is immersed in the oil storage tank 3 for filling tobacco tar, stands about 5 minutes, can start to work after cotton fully absorbs tobacco tar；?
The part of the heating wire contact of the smoke oil and high temperature that wrap up on cotton, tobacco tar temperature can rise rapidly, vaporize after reaching boiling point
One end of smog, and carrier base 2 is provided with ventilation opening 4, for controlling wind-force according to the actual situation and then controlling amount of smoke, because
This, the volume number of smoke silk winding is related with smoke generation；In order to reduce the volume of smoke generator, oil storage tank 3 is caused to store
Tobacco tar amount is limited；By the way that experimental results demonstrate fill it up with a tobacco tar, smoke generator can be held in the case where not burning cotton
Continuous work 5 minutes or so；To lengthen working hours, tobacco tar can be filled into oil storage tank 3 again；The part selects cotton as material
Material, fully take into account cotton have the characteristics that it is at low cost, with change convenience, it is non-stimulated and environmentally protective.
In the present embodiment, as shown in figure 3, control unit includes the list as shown in Figure 4 being electrically connected with power supply unit
Piece machine control circuit and switching circuit, the single chip machine controlling circuit is communicated to connect with host computer and switching circuit respectively, described
Switching circuit is communicated to connect with air blower and heating wire respectively.
In the present embodiment, switching circuit is metal-oxide-semiconductor switching circuit, utilizes metal-oxide semiconductor fieldeffect transistor
The switching characteristic of (abbreviation metal-oxide-semiconductor) constitutes switching circuit, for the power consumption for reducing switching circuit, selects the metal-oxide-semiconductor of milliohm rank,
Control unit changes the duty ratio of output voltage by pulse width modulation (abbreviation PWM), and metal-oxide-semiconductor switching circuit is according to voltage
Height selection circuit state (on or off), to control the revolving speed of air blower and the working time of smoke generator.
In the present embodiment, as shown in figure 5, switching circuit include with single chip machine controlling circuit communicate to connect and with power supply
The air blower driving switch circuit as shown in FIG. 6 and smoke generator driving switch electricity as shown in Figure 7 that unit is electrically connected
Road, the air blower driving switch circuit and air blower communicate to connect, the smoke generator driving switch circuit and heating wire
Communication connection；
The duty ratio variation in direct ratio of blower speed and the control signal of single chip machine controlling circuit output, duty ratio are got over
Greatly, blower speed is faster, and the amount of smoke of generation is bigger；To avoid temperature excessively high, smoke generator takes interval sex work
Mode, i.e. smoke generator is after a period of work, of short duration to stop working several seconds in the case where not influencing haze effect,
It works on again after the decline of smoke generator temperature, as shown in control method, cycle operation, improves the design repeatedly
Safety and practicability.
In the present embodiment, power supply unit includes the lithium battery in parallel and booster circuit as shown in Figure 8 being successively electrically connected,
The booster circuit respectively with single chip machine controlling circuit, air blower driving switch circuit, smoke generator driving switch circuit, drum
Blower and heating wire are electrically connected；
The needs of the voltage rating of single-chip microcontroller, switching circuit, air blower and smoke generator, the booster circuit of power supply unit
Pressure stabilizing is carried out by the boost in voltage of lithium battery 3.7V to 5V, and using the voltage regulator circuit that main control chip is LM2931AZ-5.0 model
5V, booster circuit are made of HT7750 boost chip, and advantage is circuit simply and is easily achieved, and extend the use longevity of the invention
Life, increases the number used；Comprehensively consider requirement height of the execution unit to electric current, lithium battery selection capacity of the invention is
18650 lithium batteries of 3000mah, power is big, meets circuit requirement.
In the present embodiment, power supply unit further includes master switch S1 and electric-controlled switch S2, and master switch S1 and electric-controlled switch S2 are set
It is placed between lithium battery and booster circuit in parallel, electric-controlled switch S2 is normally closed type switch, and its control terminal and single-chip microcontroller control are electric
The main control chip on road communicates to connect, the disconnection in the control name for receiving the main control chip from single chip machine controlling circuit.
In the present embodiment, the main control chip of single chip machine controlling circuit is the single-chip microcontroller of STC15F104W model, passes through type
Number turn serial converter and host computer for the USB of FB-U4001 and communicate to connect, and it is provided with ECP Extended Capabilities Port and power indicator,
Using 5V power voltage supply, computer regulating program is connected by serial ports, because inside it containing settable 5MHz to 35MHz wide scope
Crystal oscillator and highly reliable reset, can thoroughly save the cost of external crystal oscillation circuit and reset circuit, and compare other chips, should
The singlechip chip of model is small in size, number of pins is few, low in energy consumption, convenient for integrated, reaches the mesh of peripheral circuits, miniaturization
's.In order to facilitate the later update of system, ECP Extended Capabilities Port is reserved in single chip control module, and it is provided with wirelessly
Communication module, wireless communication module are the zigbee wireless communication module of ZM5161P0-2 model, are communicated to connect with host computer,
Realize the disconnection of host computer remote wireless control electric-controlled switch S2.
A kind of control method based on novel smog generation device, as shown in figure 9, including the following steps:
S1: power supply unit is connected in closure master switch；
S2: SCM program initialization is carried out；
S3: it is connected using the metal-oxide-semiconductor of single chip machine controlling circuit control switch circuit, control execution unit is started to work；
S4: judging whether the execution unit working time reaches preset value, if then entering step S5, otherwise repeats step
Rapid S4；
S5: it is turned off using the metal-oxide-semiconductor of single chip machine controlling circuit control switch circuit, control execution unit stops working；
S6: whether judgment means net cycle time reaches preset value, if then finishing control, otherwise return step S3.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection scope of appended claims of the present invention
It is interior.
Claims (10)
1. a kind of novel smog generation device, which is characterized in that described including control unit, execution unit and power supply unit
Control unit is communicated to connect with host computer and execution unit respectively, and said supply unit is electric with control unit and execution unit respectively
Property connection.
2. novel smog generation device according to claim 1, which is characterized in that the execution unit include air blower and
Smoke generator, the air blower and smoke generator are communicated to connect with control unit, and are electrically connected with power supply unit.
3. novel smog generation device according to claim 2, which is characterized in that the smoke generator includes heating wire
And carrier base, the carrier base top is provided with heating wire fixing groove and oil storage tank, and its side one end is provided with ventilation opening, institute
It states ventilation opening to be connected to the bottom end of heating wire fixing groove, the heating wire is set to inside heating wire fixing groove, single with control
Member communication connection, and it is electrically connected with power supply unit；
The material of the carrier base is polylactic acid PLA material.
4. novel smog generation device according to claim 3, which is characterized in that described control unit include with power supply
The single chip machine controlling circuit and switching circuit that unit is electrically connected, the single chip machine controlling circuit are electric with host computer and switch respectively
Road communication connection, the switching circuit are communicated to connect with air blower and heating wire respectively.
5. novel smog generation device according to claim 4, which is characterized in that the switching circuit is metal-oxide-semiconductor switch
Circuit.
6. novel smog generation device according to claim 4, which is characterized in that the switching circuit includes and monolithic
The communication connection of machine control circuit and air blower driving switch circuit and the smoke generator driving being electrically connected with power supply unit
Switching circuit, the air blower driving switch circuit and air blower communicate to connect, the smoke generator driving switch circuit with
Heating wire communication connection.
7. novel smog generation device according to claim 6, which is characterized in that said supply unit includes successively electrical
The lithium battery and booster circuit in parallel of connection, the booster circuit are electric with single chip machine controlling circuit, air blower driving switch respectively
Road, smoke generator driving switch circuit, air blower and heating wire are electrically connected.
8. novel smog generation device according to claim 7, which is characterized in that said supply unit further includes master switch
And electric-controlled switch, the master switch and electric-controlled switch are set between lithium battery and booster circuit in parallel, the electric-controlled switch
The communication connection of the main control chip of control terminal and single chip machine controlling circuit.
9. novel smog generation device according to claim 8, which is characterized in that the master control of the single chip machine controlling circuit
Chip is the single-chip microcontroller of STC15F104W model, turns serial converter by USB and host computer communicates to connect, be provided with expansion
Port and power indicator are opened up, and it is provided with wireless communication module, the wireless communication module and host computer communicate to connect.
10. a kind of control method based on novel smog generation device, which comprises the steps of:
S1: power supply unit is connected in closure master switch；
S2: SCM program initialization is carried out；
S3: it is connected using the metal-oxide-semiconductor of single chip machine controlling circuit control switch circuit, control execution unit is started to work；
S4: judging whether the execution unit working time reaches preset value, if then entering step S5, otherwise repeats step
S4；
S5: it is turned off using the metal-oxide-semiconductor of single chip machine controlling circuit control switch circuit, control execution unit stops working；
S6: whether judgment means net cycle time reaches preset value, if then finishing control, otherwise return step S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151458.XA CN109794073A (en) | 2019-02-28 | 2019-02-28 | A kind of novel smog generation device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151458.XA CN109794073A (en) | 2019-02-28 | 2019-02-28 | A kind of novel smog generation device and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109794073A true CN109794073A (en) | 2019-05-24 |
Family
ID=66562400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910151458.XA Pending CN109794073A (en) | 2019-02-28 | 2019-02-28 | A kind of novel smog generation device and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109794073A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB624250A (en) * | 1947-06-20 | 1949-05-31 | D & P Studios Ltd | An improved method and means for creating an artificial fog, mist or smoke |
| EP2616183A1 (en) * | 2010-09-13 | 2013-07-24 | Gene Stauffer | High pressure smoke machine |
| CN104364319A (en) * | 2012-06-13 | 2015-02-18 | 松下知识产权经营株式会社 | Poly(lactic acid) resin composition, method for producing molded article, molded article, and holder for electronic device |
| CN204440200U (en) * | 2015-03-13 | 2015-07-01 | 云南中烟工业有限责任公司 | A kind of heating control circuit for baking-type smoke generating device |
| CN205965045U (en) * | 2016-04-24 | 2017-02-22 | 广州玛利莱灯光音响设备有限公司 | Stage smoke sprayer |
| CN107441741A (en) * | 2017-08-21 | 2017-12-08 | 北京仁歌科技股份有限公司 | A kind of Multifunctional stage effect manufacture device |
| CN207970466U (en) * | 2018-03-16 | 2018-10-16 | 广州迪杰帕尔电子科技有限公司 | A kind of two-tube fast jet column stage smoke machine |
| CN208003464U (en) * | 2018-02-06 | 2018-10-26 | 广州市德珑舞台设备有限公司 | A kind of fog machine prompted with defencive function and oil starvation |
| CN108721919A (en) * | 2018-07-26 | 2018-11-02 | 上海初拓科技有限公司 | A kind of smog bubble method for generation of controllable smokescope and bubble size |
-
2019
- 2019-02-28 CN CN201910151458.XA patent/CN109794073A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB624250A (en) * | 1947-06-20 | 1949-05-31 | D & P Studios Ltd | An improved method and means for creating an artificial fog, mist or smoke |
| EP2616183A1 (en) * | 2010-09-13 | 2013-07-24 | Gene Stauffer | High pressure smoke machine |
| CN104364319A (en) * | 2012-06-13 | 2015-02-18 | 松下知识产权经营株式会社 | Poly(lactic acid) resin composition, method for producing molded article, molded article, and holder for electronic device |
| CN204440200U (en) * | 2015-03-13 | 2015-07-01 | 云南中烟工业有限责任公司 | A kind of heating control circuit for baking-type smoke generating device |
| CN205965045U (en) * | 2016-04-24 | 2017-02-22 | 广州玛利莱灯光音响设备有限公司 | Stage smoke sprayer |
| CN107441741A (en) * | 2017-08-21 | 2017-12-08 | 北京仁歌科技股份有限公司 | A kind of Multifunctional stage effect manufacture device |
| CN208003464U (en) * | 2018-02-06 | 2018-10-26 | 广州市德珑舞台设备有限公司 | A kind of fog machine prompted with defencive function and oil starvation |
| CN207970466U (en) * | 2018-03-16 | 2018-10-16 | 广州迪杰帕尔电子科技有限公司 | A kind of two-tube fast jet column stage smoke machine |
| CN108721919A (en) * | 2018-07-26 | 2018-11-02 | 上海初拓科技有限公司 | A kind of smog bubble method for generation of controllable smokescope and bubble size |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2727664T3 (en) | Emergency power supply | |
| CN202364801U (en) | Electronic cigarette control chip and electronic cigarette | |
| CN107072312A (en) | Whether tobacco tar exhausts in a kind of detection electronic cigarette method and a kind of electronic cigarette | |
| CN205646970U (en) | Power generation facility and charging system | |
| CN204069083U (en) | A kind of multi-functional mobile phone case | |
| CN201590464U (en) | Heating device for storage battery | |
| CN208028640U (en) | A kind of hydrogen fuel cell Power System of Flight Vehicle | |
| CN208955715U (en) | A kind of cell-temperature monitoring protection circuit | |
| CN109794073A (en) | A kind of novel smog generation device and its control method | |
| CN109646972A (en) | A kind of smog generator and its control method | |
| CN207054388U (en) | A kind of SCM Based temperature control rearing-box | |
| CN207851558U (en) | A kind of portable emergent energy-storage system of intelligent protection | |
| CN203015886U (en) | Solar energy self-powered far-infrared electrical heating suit and power supply system | |
| CN202843098U (en) | Warm sleeping bag with thermoelectric power generation device | |
| CN204943664U (en) | A kind of carbon fiber eclectic heating temperature controller | |
| CN201967991U (en) | Eyelash curler | |
| CN203762280U (en) | Heating smoking device of heating incombustible cigarette | |
| CN206180672U (en) | Engine starting drive | |
| CN203472460U (en) | Vehicle spray cooling system | |
| CN102236079A (en) | Device for automatically testing battery function | |
| CN202966530U (en) | Boost starting system for motorcycle | |
| CN206227723U (en) | A kind of electronic cigarette for connecting mobile phone | |
| CN203343004U (en) | Miniature atomizing heater utilizing heat energy generated by over-rated power of electronic component | |
| CN220934909U (en) | Control device of miniature ozone generator and miniature ozone generator | |
| CN204835619U (en) | Can prolong temperature control charger that holds battery life |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190524 |