CN207604623U - A kind of spray beauty instrument and moisture measurement spray beauty instrument - Google Patents
A kind of spray beauty instrument and moisture measurement spray beauty instrument Download PDFInfo
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- CN207604623U CN207604623U CN201721756808.8U CN201721756808U CN207604623U CN 207604623 U CN207604623 U CN 207604623U CN 201721756808 U CN201721756808 U CN 201721756808U CN 207604623 U CN207604623 U CN 207604623U
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- electrically connected
- air pump
- controller
- circuit
- beauty instrument
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Abstract
The utility model is related to a kind of spray beauty instruments, including Y-pipe, water tank, air pump, nozzle, slide switch and spraying button, Y-pipe includes upper input port, lower input port and delivery outlet, water tank is located at the top of Y-pipe and is connected to upper input port, air pump is located at the lower section of Y-pipe and is connected to lower input port, nozzle is connected to delivery outlet, stifled needle is equipped in nozzle, slide switch is sequentially connected with stifled needle, slide switch is also sequentially connected with spraying button, spraying button is electrically connected with the controller, controller is electrically connected with air pump, air pump, controller and spraying button are electrically connected with power circuit.Thick Essence can be atomized by spray beauty instrument provided by the utility model.The utility model also provides a kind of moisture measurement spray beauty instrument, including spray beauty instrument, further includes moisture tester, has moisture measurement and spraying dual function, practical and convenient, easy to carry.
Description
Technical field
The utility model is related to beauty apparatus technical fields more particularly to a kind of spray beauty instrument and moisture measurement to spray
Beauty apparatus.
Background technology
Spray beauty equipment in the market uses ultrasonic atomizatio principle more.Ultrasonic atomizatio is to make liquid using ultrasonic energy
In the gas phase formed fine mist process, i.e., the liquid surface of vibration generate ultrasonic wave, by amplitude shake peak drop from
It separates and is crushed in surface.As ultrasonic frequency increases, atomized drop is more and more thinner, generally in the vibration frequency of ultrasonic wave
Under effect, fine drop can get.This scheme can have good effect for moisture, but then for thick Essence
It can not be atomized.And some can spray the product of Essence by technology restriction, the volume of instrument is especially big, it has not been convenient to take
Band.
And skin makeup instrument on the market is usually individual moisture measurement instrument at present, or individually moisture spray instrument
Device.
Universal water divides test equipment mainly to be tested using biologic resistance in the market, and human body is regarded as one by the program
A variable resistance is sampled by the then AD of certain electric resistance partial pressure, or increases amplifier modulate circuit to handle, however these
Good effect can not all be obtained.It only measures and obtains numerical value different under different humidity, do not have between these numerical value and moisture of skin
Wired sexual intercourse, duplicate measurements error is big, cannot exclude the difference of different skin individual, even if people's skin of that is, two different skin quality
Skin moisture is identical also to measure different numerical value, there is also very dry skin and be unable to measure, or slightly thaw melting point skin is just
There is the case where measured value saturation.
Invention content
Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, to provide a kind of spray beauty
Instrument can be atomized thick Essence.The utility model also provides a kind of moisture measurement spray beauty instrument, and spraying is beautiful
Looks and moisture tester are combined into one, feature-rich, are convenient for carrying.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of spray beauty instrument, including Y-pipe, water
Case, air pump, nozzle, slide switch and spraying button, the Y-pipe includes upper input port, lower input port and delivery outlet,
The water tank is located at the top of the Y-pipe and is connected to the upper input port, and the air pump is located at the lower section of the Y-pipe
And be connected to the lower input port, the nozzle is connected to the delivery outlet, and stifled needle is equipped in the nozzle, and the sliding is opened
It closes and is sequentially connected with the stifled needle, the slide switch is also sequentially connected with the spraying button, the spraying button and control
Device is electrically connected, and the controller is electrically connected with the air pump, and the air pump, controller and spraying button are electric with power circuit
Connection.
The utility model has the beneficial effects that：Swiftly flowing air, while the essence in water tank upwards is generated by air pump
Magnificent liquid drips automatically under gravity, and when air and Essence are commonly through Y-pipe, the Essence of low speeds flow flows to
The air of the flowing of high speed, Essence are torn into one droplet of a droplet by high-speed air, these small water droplets become after nozzle sprays
The Essence of atomization.Spray beauty instrument atomizing provided by the utility model is strong, can be atomized thick Essence.
Based on the above technical solution, the utility model can also do following improvement：
Further：The air pump is electrically connected by air pump switch circuit with the controller, the air pump switch circuit packet
Include instruction diode D1, zener diode D2, filter capacitor C1 and switched field effect pipe CM1, the anode of the air pump and institute
The cathode electrical connection of instruction diode D1 is stated, the anode of the instruction diode D1 is electrically connected to a power source, the cathode of the air pump
It is electrically connected with the source electrode of the switched field effect pipe CM1, the grounded drain of the switched field effect pipe CM1, the switch yard effect
Should the grid of pipe CM1 be electrically connected with the controller by resistance R1, the grid of the switched field effect pipe CM1 passes through resistance
R2 is grounded, and the filter capacitor C1 is connected electrically between the positive and negative anodes of the air pump, the anode of the zener diode D2 and institute
The cathode electrical connection of air pump is stated, the cathode of the zener diode D2 is electrically connected with the anode of the air pump.
The advantageous effect of above-mentioned further scheme is：Controller controls the conducting and closing of switched field effect pipe, and then controls
The switch of air pump processed, instruction diode are used to indicate the working condition of air pump, and zener diode is used to stablize the work electricity of air pump
Pressure.
Further：The spraying button is electrically connected by key circuit with the controller, and the key circuit includes point
Piezoresistance R10, divider resistance R20 and resistance R30, the resistance R30, spraying button, divider resistance R10, divider resistance R20
It is sequentially connected in series between power supply and ground, the common end of the divider resistance R10 and divider resistance R20 is electrically connected with the controller
It connects.
The advantageous effect of above-mentioned further scheme is：When spraying is by key pressing, high level is generated between two divider resistances,
The high level is transmitted to controller, and controller sends enabling signal to air pump, and air pump is started to work.
Further：Spray beauty instrument further includes electric quantity detecting circuit and charging circuit, the electric quantity detecting circuit and
The charging circuit is electrically connected with the power circuit, and the electric quantity detecting circuit is also electrically connected with the controller.
The advantageous effect of above-mentioned further scheme is：Electric quantity detecting circuit detects the voltage of power circuit, and charging circuit is
Electric power detection result is also transmitted to liquid crystal display by controller and shown by the power circuit charging, electric quantity detecting circuit.
The utility model also provides a kind of moisture measurement spray beauty instrument, including the spray beauty described in any of the above item
Instrument further includes moisture tester, and the moisture tester is electrically connected with the controller, the moisture tester and the power supply
Circuit is electrically connected.
The advantageous effect of moisture measurement spray beauty instrument provided by the utility model is：Spray beauty instrument and moisture are surveyed
Examination instrument is combined into one so that the function of beauty apparatus is more rich, is convenient for carrying.
Further：The moisture detector includes moisture measurement circuit, and the moisture measurement circuit includes timer, test
Probe and timing resistor, the test probe and the timing resistor are electrically connected with the timer, the timer
It is electrically connected with the controller.
The advantageous effect of above-mentioned further scheme is：Regard human body as a variable timing capacitor, passes through test probe
The timing capacitor is accessed in timer, the output signal of timer is received by controller, controller passes through the defeated of timer
Go out the timing that signal judges timer, and then calculates the capacitance of timing capacitor by timing, the capacitance and human body
For moisture there are linear relationship, measurement result is accurate.
Further：The moisture tester further includes Bluetooth circuit, and the Bluetooth circuit is electrically connected with the controller.
The advantageous effect of above-mentioned further scheme is：Moisture measurement result is sent to client by Bluetooth circuit, visitor
Family end can be mobile phone, tablet computer.
Further：The moisture tester further includes liquid crystal display, and the liquid crystal display is electrically connected with the controller.
The advantageous effect of above-mentioned further scheme is：Liquid crystal display is used for real-time display moisture measurement result.
Further：The moisture tester further includes moisture measurement button, the moisture measurement button and the controller
Electrical connection.
The advantageous effect of above-mentioned further scheme is：Moisture measurement button is pressed, controller receives moisture measurement button
Signal when pressing, controller drive the work of moisture measurement circuit.
Description of the drawings
Fig. 1 is the structural schematic diagram of spray beauty instrument provided by the utility model；
Fig. 2 is the electrical block diagram of spray beauty instrument provided by the utility model；
Fig. 3 is the circuit diagram of the air pump switch circuit of spray beauty instrument provided by the utility model；
Fig. 4 is the circuit diagram of the key circuit of spray beauty instrument provided by the utility model；
Fig. 5 is that the electric quantity detecting circuit of spray beauty instrument provided by the utility model and the circuit structure of charging circuit show
It is intended to；
Fig. 6 is the circuit diagram of the moisture measurement circuit of moisture measurement spray beauty instrument provided by the utility model.
In attached drawing, parts list represented by the reference numerals are as follows：
U1, controller, KEY1, spraying button, 1, Y-pipe, 2, water tank, 3, air pump, 31, air pump switch circuit, 4, spray
Mouth, 41, first jet, 42, second nozzle, 43, third nozzle, 5, slide switch, 6, key circuit, 7, stifled needle, 8 moisture are surveyed
Try circuit, 91, power circuit, 92, power detection circuit, 93, charging circuit.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
Below in conjunction with the accompanying drawings, the utility model is illustrated.
As shown in Figure 1, the utility model embodiment provides a kind of spray beauty instrument, including Y-pipe 1, water tank 2, air pump 3,
Nozzle 4, slide switch 5, spraying button KEY1 (not shown in figure 1)s and controller U1, the Y-pipe 1 include upper input
Mouth, lower input port and delivery outlet, the water tank 2 is located at the top of the Y-pipe 1 and is connected to the upper input port, described
Air pump 3 is located at the lower section of the Y-pipe 1 and is connected to the lower input port, and the nozzle 4 is connected to the delivery outlet, described
Be equipped with stifled needle 7 in nozzle 4, the slide switch 5 is sequentially connected with the stifled needle 7, the slide switch 5 also with the spraying
Button KEY1 is sequentially connected, as shown in Fig. 2, the spraying button KEY1 is electrically connected with the controller U1, the controller U1
It is electrically connected with the air pump 3, the air pump 3, controller U1 and spraying button KEY1 are electrically connected with the power circuit 91
It connects.
Power circuit 91 is that air pump 3, controller U1 and the KEY1 power supplies of spraying button, power circuit 91 use existing skill
Power circuit in art.The power circuit 91 of the present embodiment selects the voltage stabilizing chip of model TPS76333 to realize.
The spray beauty instrument course of work that the utility model embodiment provides is as follows：Water tank 2 needs to spray for filling Essence
When mist, hand push moves slide switch 5, and slide switch 5 pushes stifled needle 7 open, and the upper input port of Y-pipe 1 is connected to water tank 2, lower input port
It is connected to air pump 3, the Essence drippage in water tank 2 enters Y-pipe 1, while slide switch 5 presses spraying button KEY1, control
Device U1 receives the signal of pressing of spraying button KEY1, and controller U1 driving air pumps 3 start, and air pump 3 generates swiftly flowing sky
Gas enters Y-pipe 1, and the Essence in Y-pipe 1 is torn into fine particle by swiftly flowing air, and fine particle is in air
It is sprayed through nozzle 4 under effect, forms spraying.The spray beauty instrument that the utility model embodiment provides can be atomized thick essence
Liquid can also be atomized other thin Essences, can add in water tank 2 with atomized water, after being atomized using Essence
Enter water to be atomized, plays the role of cleaning spray beauty instrument.
Specifically, spray beauty instrument includes front housing K1 and rear shell K2, and front housing K1 and rear shell K2 is mutually clamped to form receiving spray
The space of mist beauty instrument.Specifically, in order to allow spray beauty instrument to be easy to carry about with one, the performance of air pump will not influence spraying function
On the basis of preferred volume it is small.Specifically, water tank 2 is equipped with observation window (not shown), and observation window observes water convenient for user
The liquid level of case 2.Nozzle 4 includes first jet 41, second nozzle 42 and third nozzle 43, first jet 41, second nozzle 42
And third nozzle 43 is sequentially connected.Specifically, it blocks up needle 7 to connect with a holder 72 by a spring 71, after holder 72 is fixed on
On shell K2, stifled needle 7 is contacted with lever 73, and lever 73 is rotatablely connected with holder 72, activated lever 73 when slide switch 5 slides,
Lever 73 pushes stifled needle 7 open.
Preferably, as shown in figure 3, the air pump 3 is electrically connected by air pump switch circuit 31 with the controller U1, institute
It includes indicating diode D1, zener diode D2, filter capacitor C1 and switched field effect pipe CM1 to state air pump switch circuit 31,
The anode of the air pump 3 is electrically connected with the cathode of the instruction diode D1, the anode and power supply of the instruction diode D1
VCC is electrically connected, and the cathode of the air pump is electrically connected with the source electrode of the switched field effect pipe CM1, the switched field effect pipe CM1
Grounded drain, the grid of the switched field effect pipe CM1 is electrically connected by resistance R1 with the controller U1, the switch
The grid of field-effect tube CM1 is grounded by resistance R2, and the filter capacitor C1 is connected electrically between the positive and negative anodes of the air pump 3,
The anode of the zener diode D2 is electrically connected with the cathode of the air pump 3, cathode and the gas of the zener diode D2
The anode electrical connection of pump 3.
Controller U1 controls the switch of air pump 3 by switched field effect pipe CM1, and instruction diode D1 is used to indicate air pump 3
Working condition, instruction diode D1 is bright when air pump 3 works.Zener diode D2 is used to stablize the operating voltage of air pump 3.Filter
The effect of wave capacitance C1 is filtering clutter, ensures the stability of air pump operating.
Preferably, as shown in figure 4, the spraying button KEY1 is electrically connected by key circuit 6 with the controller U1, institute
State key circuit 6 include divider resistance R10, divider resistance R20 and resistance R30, the resistance R30, spraying button KEY1,
Divider resistance R10, divider resistance R20 are sequentially connected in series between power supply and ground, the divider resistance R10's and divider resistance R20
Common end is electrically connected with the controller U1.When the button KEY1 that sprays is pressed, high level is generated between two divider resistances, it should
High level output is to controller U1, the CM1 conductings of controller U1 driving switch field-effect tube so that air pump 3, which is powered, to be started, air pump 3
It starts to work.Specifically, spraying button KEY1 is also grounded by resistance R40, and resistance R40 plays metering function；Spray button KEY1
It is also grounded by capacitance C10, capacitance C10 is played a filtering role.
Preferably, described as shown in figure 5, spray beauty instrument further includes electric quantity detecting circuit 92 and charging circuit 93
Electric quantity detecting circuit 92 and the charging circuit 92 are electrically connected with the power circuit 91, the electric quantity detecting circuit 92
Also it is electrically connected with the controller U1.Electric quantity detecting circuit 92 detects the electricity of power circuit 91, can also be incited somebody to action by controller U1
Electric power detection result is shown on liquid crystal display.Charging circuit 93 charges for power circuit 91.Electric quantity detecting circuit 92 and charging electricity
Road 93 can be realized using the prior art.Specifically, the electric quantity detecting circuit 92 of the present embodiment is realized using bleeder circuit；This
The charging circuit 93 of embodiment is realized using the charging management chip of model AP5056, is connected using USB interface and external power supply
It connects.
The utility model embodiment also provides a kind of moisture measurement spray beauty instrument, including described in any of the above embodiment
Spray beauty instrument, further include moisture tester, the moisture tester is electrically connected with the controller U1, and the moisture is surveyed
Examination instrument is electrically connected with the power circuit 91.Existing beauty apparatus generally only has the function of moisture measurement, or only has spray
Mist function, the utility model integrate spray beauty instrument and moisture tester, are uniformly controlled, are passed through by controller U1
Power circuit 91 is unified to power so that the function of the utility model is more rich, and integrated small, easy to carry.
Preferably, as shown in fig. 6, the moisture detector includes moisture measurement circuit 8, the moisture measurement circuit 8 wraps
Include timer U2, test probe P1 and timing resistor R11, the test probe P1 and the timing resistor R11 and institute
Timer U2 electrical connections are stated, the timer U2 is electrically connected with the controller U1.The present embodiment uses measurement by capacitance side
Method, the different dielectric constants based on water and other materials are quite big, and according to the difference of water content, the capacitance of skin can be with skin
The variation of moisture and change, by measure skin capacitance, so that it may to measure the moisture of skin.Human body is seen
A variable timing capacitor is done, which is accessed into timer U2, controller U1 triggering timers U2 carries out timing simultaneously
The output signal of timer U2 is received, timing is calculated, the capacitance of timing capacitor is extrapolated by timing, then will be held
Value is converted to skin moisture content percentage.The timer U2 that the present embodiment is selected is 7555 timers, and 7555 timers have
Eight pins, connection are as follows：No. 1 pin ground connection, No. 8 pins connect power supply, power for 7555 timers；No. 2 pins are that triggering is drawn
Foot is connect with controller U1；No. 3 pins are output pin, are connect with controller U1；No. 4 pins are reset pin, pass through filter
Wave capacitance C11 ground connection；No. 5 pins are voltage control pin, are grounded by capacitance C22；No. 6 pins are threshold value pin, by fixed
When resistance R11 meet power supply VCC；No. 7 pins are connect with No. 6 pins, and No. 7 pins meet test probe P1 by capacitance C33.
Preferably, the moisture tester further includes Bluetooth circuit (not shown), the Bluetooth circuit and the control
Device U1 electrical connections processed, Bluetooth circuit select model Dialog using Bluetooth circuit in the prior art, the present embodiment
The test result of moisture measurement circuit is transmitted to client terminal, client terminal by the Bluetooth chip of module by Bluetooth chip
Can be mobile phone, tablet computer, desktop computer.
Preferably, the moisture tester further includes liquid crystal display (not shown), the liquid crystal display and the controller
Electrical connection, liquid crystal display pass through the test knot of liquid crystal display real-time display moisture measurement circuit using liquid crystal display in the prior art
Fruit facilitates user to understand skin moisture content.Liquid crystal display is additionally operable to display Bluetooth matching result.
Preferably, the moisture tester further includes moisture measurement button (not shown), the moisture measurement button
It is electrically connected with the controller U1.Moisture measurement is sent to controller U1, controller U1 by generation high level signal when key pressing
Triggering moisture measurement circuit 8 is tested.Specifically, controller U1 is surveyed by triggering pin triggering moisture measurement circuit 8
Examination.The preferred magnetic induction button of moisture measurement button.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of spray beauty instrument, which is characterized in that pressed including Y-pipe, water tank, air pump, nozzle, slide switch and spraying
Key, the Y-pipe include upper input port, lower input port and delivery outlet, the water tank be located at the top of the Y-pipe and with
The upper input port connection, the air pump are located at the lower section of the Y-pipe and are connected to the lower input port, the nozzle and
The delivery outlet is connected to, and stifled needle is equipped in the nozzle, and the slide switch is sequentially connected with the stifled needle, and the sliding is opened
It closes and is also sequentially connected with the spraying button, the spraying button is electrically connected with the controller, the controller and air pump electricity
Connection, the air pump, controller and spraying button are electrically connected with power circuit.
2. spray beauty instrument according to claim 1, which is characterized in that the air pump passes through air pump switch circuit and the control
Device electrical connection processed, the air pump switch circuit include instruction diode D1, zener diode D2, filter capacitor C1 and switch yard
Effect pipe CM1, the anode of the air pump are electrically connected with the cathode of the instruction diode D1, the anode of the instruction diode D1
It is electrically connected to a power source, the cathode of the air pump is electrically connected with the source electrode of the switched field effect pipe CM1, the switched field effect pipe
The grid of the grounded drain of CM1, the switched field effect pipe CM1 is electrically connected by resistance R1 with the controller, the switch
The grid of field-effect tube CM1 is grounded by resistance R2, and the filter capacitor C1 is connected electrically between the positive and negative anodes of the air pump, institute
The anode for stating zener diode D2 is electrically connected with the cathode of the air pump, cathode and the air pump of the zener diode D2
Anode electrical connection.
3. spray beauty instrument according to claim 1, which is characterized in that the spraying button passes through key circuit and the control
Device electrical connection processed, the key circuit include divider resistance R10, divider resistance R20 and resistance R30, the resistance R30, spray
Mist button, divider resistance R10, divider resistance R20 are sequentially connected in series between power supply and ground, the divider resistance R10 and partial pressure electricity
The common end of resistance R20 is electrically connected with the controller.
4. spray beauty instrument according to claim 1, which is characterized in that further include electric quantity detecting circuit and charging circuit,
The electric quantity detecting circuit and the charging circuit are electrically connected with the power circuit, the electric quantity detecting circuit also with institute
State controller electrical connection.
5. a kind of moisture measurement spray beauty instrument, which is characterized in that include the spraying as described in any one of claim 1-4
Beauty instrument further includes moisture tester, and the moisture tester is electrically connected with the controller, the moisture tester with it is described
Power circuit is electrically connected.
6. moisture measurement spray beauty instrument according to claim 5, which is characterized in that the moisture detector includes moisture
Test circuit,
The moisture measurement circuit includes timer, test probe and timing resistor, the test probe and the timing
Resistance is electrically connected with the timer, and the timer is electrically connected with the controller.
7. moisture measurement spray beauty instrument according to claim 5, which is characterized in that the moisture tester further includes indigo plant
Tooth circuit, the Bluetooth circuit are electrically connected with the controller.
8. moisture measurement spray beauty instrument according to claim 5, which is characterized in that the moisture tester further includes liquid
Crystalline substance screen, the liquid crystal display are electrically connected with the controller.
9. moisture measurement spray beauty instrument according to claim 5, which is characterized in that the moisture tester further includes water
Test button, the moisture measurement button is divided to be electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721756808.8U CN207604623U (en) | 2017-12-15 | 2017-12-15 | A kind of spray beauty instrument and moisture measurement spray beauty instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721756808.8U CN207604623U (en) | 2017-12-15 | 2017-12-15 | A kind of spray beauty instrument and moisture measurement spray beauty instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207604623U true CN207604623U (en) | 2018-07-13 |
Family
ID=62798488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721756808.8U Expired - Fee Related CN207604623U (en) | 2017-12-15 | 2017-12-15 | A kind of spray beauty instrument and moisture measurement spray beauty instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207604623U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898295A (en) * | 2019-12-16 | 2020-03-24 | 广东国士健日用品有限公司 | Ultrasonic atomization beauty instrument |
| CN111330100A (en) * | 2020-04-13 | 2020-06-26 | 深圳市景瑞科技有限公司 | Visual clean beauty instrument |
| CN112730178A (en) * | 2020-12-22 | 2021-04-30 | 杭州春来科技有限公司 | Vehicle-mounted transmission-type smoke meter and vehicle |
-
2017
- 2017-12-15 CN CN201721756808.8U patent/CN207604623U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898295A (en) * | 2019-12-16 | 2020-03-24 | 广东国士健日用品有限公司 | Ultrasonic atomization beauty instrument |
| CN110898295B (en) * | 2019-12-16 | 2022-05-10 | 广东国士健科技发展有限公司 | Ultrasonic atomization beauty instrument |
| CN111330100A (en) * | 2020-04-13 | 2020-06-26 | 深圳市景瑞科技有限公司 | Visual clean beauty instrument |
| CN111330100B (en) * | 2020-04-13 | 2024-02-09 | 深圳市景美瑞科技股份有限公司 | Visual clean beauty instrument |
| CN112730178A (en) * | 2020-12-22 | 2021-04-30 | 杭州春来科技有限公司 | Vehicle-mounted transmission-type smoke meter and vehicle |
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Granted publication date: 20180713 Termination date: 20181215 |