CN206994570U - A kind of safety cap with sprayer unit and fan - Google Patents
A kind of safety cap with sprayer unit and fan Download PDFInfo
- Publication number
- CN206994570U CN206994570U CN201720866254.0U CN201720866254U CN206994570U CN 206994570 U CN206994570 U CN 206994570U CN 201720866254 U CN201720866254 U CN 201720866254U CN 206994570 U CN206994570 U CN 206994570U
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- CN
- China
- Prior art keywords
- cap
- atomizing piece
- fan
- power supply
- voided layer
- 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.)
- Expired - Fee Related
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Abstract
A kind of safety cap with sprayer unit and fan, the safety cap is by a safety cap body for having voided layer, atomizing piece and its drive circuit, fan and lithium battery power supply circuit are formed, the described safety cap body for having voided layer, which includes one, hollow cap shell, also include other building blocks of convention security cap, there is support structure between lower wall on described voided layer, there are filler and its lid in the outer side of the voided layer cap, also there is opening side in cap, the opening places foregoing atomizing piece, the one side of the atomizing piece is close to a sliver, the sliver extend into voided layer bottom water suction supply atomizing piece and sprays water smoke, described fan is positioned over the position without voided layer and adequate ventilation that on front side of cap shell or rear side is reserved, the power supply of atomizing piece and its drive circuit and fan is provided by lithium battery power supply circuit.The utility model have power consumption it is smaller can long lasting for work the advantages of, fresh air in safety cap can be kept, have good effect to the drop heat of outdoor study personnel.
Description
Technical field
It the utility model is related to a kind of safety cap.
Background technology
High temperature is a kind of arduous and challenge for outdoor study personnel.The safety cap falling temperature technique of current trend is mostly to make
Cold cooling, the ventilation of fan bleed type.The former makes prolonged outdoor study be difficult to have due to the high current power consumption of electronic refrigerating sheet
Compact lithium battery power supply, the obvious refrigeration of the latter are undesirable.And in the case of high fever, using small as vapor
The cold water water smoke of form, head refrigerant sense can be undoubtedly given, and sweat can be merged, the air of relative fresh and comfortable is continually existed
Circulate and discharge in cap, alleviate the extremely hot discomfort brought.
Utility model content
In order to provide the above-mentioned product beneficial to outdoor cooling, the utility model discloses a kind of band sprayer unit and fan
Safety cap, the safety cap supplies by safety cap body, atomizing piece and its a drive circuit, fan and lithium battery for having a voided layer
Circuit is formed, and the described safety cap body for having voided layer, which includes one, a hollow cap shell, in addition to convention security cap
Other building blocks, there is support structure between lower wall on described voided layer, there are filler and its lid in the outer side of the voided layer cap
Also there is opening side in son, cap, and the opening places foregoing atomizing piece, and the one side of the atomizing piece is close to a sliver, the sliver
It extend into voided layer bottom water suction supply atomizing piece and sprays water smoke, described fan, which is positioned on front side of cap shell, or rear side is reserved does not have
There is the position of voided layer and adequate ventilation, the power supply of atomizing piece, atomization piece driving circuit and fan is by lithium battery power supply circuit
There is provided；Described atomizing piece and its drive circuit has one piece to control the integrated circuit that atomizing piece works, and its output end passes through
For one capacitance connection to the grid of a FET, the drain electrode of FET is connected to switch transformer primary coil
One pin, the source electrode of FET are connected to the power supply negative terminal of lithium battery power supply circuit, and the power positive end of lithium battery power supply circuit connects
It is connected to another pin of the power pins of control integrated circuit and the primary coil of switch transformer, the secondary coil of switch transformer
One pin ground connection, a pin and energy storage inductor and atomizing piece are connected in series over the ground；The atomization piece driving circuit and lithium battery are arranged on
In placing element space in foregoing cap shell, the space includes the box added in cap shell, also including cap shell convex shaped itself
Into volume.
The utility model have power consumption it is smaller can long lasting for work the advantages of, fresh air in safety cap can be kept,
There is good effect to the drop heat of outdoor study personnel.
Brief description of the drawings
The side cut away view 1-1 of the present utility model and rearview 1-2 of accompanying drawing 1.
The electronic circuit schematic diagram of the present utility model of accompanying drawing 2.
In Fig. 1, the numeral of mark is represented in specification respectively：1st, voided layer, 2, atomizing piece, 3, fan, 4, support
Construction, 5, filler, 6, sliver, 7, placing element space, 8, hat lining.
Embodiment
The utility model is similar with convention security cap with the safety cap of fan with sprayer unit, there is hat lining, chin belt, back ferrule
Deng, but cap shell is changed, sprayer unit and fan and lithium battery are added, wherein sprayer unit includes atomizing piece and its driving
Circuit, include the lithium battery of the power supply to sprayer unit and fan.
As shown in Figure 1, the cap shell of the utility model safety cap has voided layer 1 of the inside with support structure, also may be used
To be multiple common hole capitals after selling all securities, there are circular filler 5 and its lid of conveyor screw, the filler in the outer side of cap of voided layer
Typically at the top of cap shell, 1 liter or so of amount of water, considering the weight of safety cap not cause too big burden, if being set in voided layer
A dry support structure 4, such as parting bead, partition wall, or the pillar of this hollow volume can be simply maintained, there are small holes to keep water on parting bead
Body connects, and can both prevent the quick of water from being flowed to a direction, and can strengthen the firm of safety cap again.Hollow inner layer space with
The bottom of cap shell both sides is larger to be preferred.
Also there is opening side in voided layer cap, and opening places atomizing piece 2.Opening also uses spiral circular structure, has pair
There is hole in the spiral lid answered, cover cap center.Atomizing piece surrounding is wrapped in opening with rubber ring, with voided layer opening with
And lid forms sealing.The position for designing the opening depends on the steering of fan 3, when fan is outwards vented, is open in voided layer
Forehead position, when fan is inwardly dried, for the opening in the position of the voided layer back side of head, purpose is exactly the water smoke that atomizing piece sprays
Can be always present in the whole space on hat lining 8.
Described atomizing piece, also referred to as ultrasound piezoelectric transducing oscillator plate, there are two kinds of piezoelectric ceramics and metal, frequency has
1.7M and 2.4M, micropore atomization piece frequency want smaller, and voltage wants lower.Atomizing piece has two wire connection drive circuits, places
In water receptacle bottom or the top of water receptacle, sliver water suction continuous contact to atomizing piece, liquid water molecules knot can be used for the latter
Structure is broken up and produces the elegant water smoke of nature, the preferred the latter of the utility model, while preferably metal material micropore atomization piece.Micropore
Atomizing piece has the characteristics that：High conversion efficiency, atomization quantity are big；Toroidal, middle spraying, steady quality；Outlet aperture is small,
From 6um--11um.
The one side of atomizing piece is close to a sliver 6 in implementation, sliver can be wrapped in the conduit with window and in conduit bottom
Sliver is jacked up with a spring and tight contacts between atomizing piece, and described sliver is the very strong material of kind of water imbibition, flexible and tough
Property, sliver gets at voided layer inner bottom part, keeps having adequate water at any time on sliver as far as possible, it is also considered that sliver and atomizing piece will
Keep cleaning, it is desirable to add clear water.
Atomization piece driving circuit can use one piece to control the output end of the integrated circuit of atomizing piece work by one
For 100n capacitance connections to the grid of a FET, the drain electrode of FET is connected to switch transformer primary coil
One pin, the source electrode of FET are connected to the negative pole of power supply circuit.The positive pole of power supply circuit is connected to the electricity of control integrated circuit
Another pin of the primary coil of source pin and switch transformer, the pin of secondary coil one ground connection, a pin and the energy storage of switch transformer
Inductance and atomizing piece are connected in series over the ground.There is touch-switch to open and close sprayer unit in the circuit, can also design
Into controlling turning or not turning for fan by triode again.
While sprayer unit is opened, fan also operates.It can not also spray and fan individual operation.
Described fan is loaded on the reserved position without voided layer and adequate ventilation in cap shell front side or rear side, the position
Many meshes can be carried, and there are three or four holes to be used for fan attachment in cap shell.Some fans can also pass through air inlet/outlet
The guard of mouth both sides is clamped in itself in cap shell.
There is steel guard a kind of DC low-voltage axial flow blower, the inlet and outlet both sides of fan, and guard surrounding fixing hole is worn
Fan is fixed in cap shell by the hole crossed in cap shell with bolt nut.And for example radio cassette player motor matches somebody with somebody high-quality impeller, and motor also may be used
To be fixed between the window eye in cap shell.
Atomizing piece and its drive circuit and fan are all powered by lithium battery power supply circuit, described lithium battery power supply circuit by
Lithium battery, charging module, current-limiting resistance, charging inlet are formed, and can not had to on-off switch, are preferably formed with a discharge prevention electricity
Road.The utility model is preferably powered with two 18650 lithium battery groups into battery pack one resistance of series connection, and power supply circuit is relative
Simply, battery discharge time is lasting.
Power supply circuit can also use a section or the battery pack of two section lithium batteries to be boosted by a circuit, be depressured and obtain
The voltage of 5-12 volts is obtained, if changing the adjustable spray spray amount size of supply voltage by a circuit with potentiometer or button,
This function can also be realized on the integrated circuit of control atomizing piece work.
Power supply circuit can also use 26650 lithium batteries or polymer Li-ion battery.The side of replacing in 18650 use
Just.The work power consumption of atomizing piece is little, about 400 milliamperes of electric current is consumed during caused medium mist amount, with the two of 3600 milliamperes of capacity
Exemplified by individual 18650 battery, fill an electric energy and nine hours are used continuously by the utility model safety cap, meet darg
Time.
Lithium battery is connected with a charging module and is connected by an external interface with charger, and the charging module has limit
Constant-voltage charge function, there is super-charge super-discharge protection.The charging module follows lithium battery to be placed in placing element space 7, or
In another small placing element space, there is charging inlet on the shell in this space, have charging indicator light, there can also be mist
Change drive circuit element, the touch-switch of piece.
Described placing element space refers to place the exclusive sky required for the utility model safety cap electronic component
Between, the space is included in the box or a volume of cap shell bossing itself for adding and fixing in cap shell, in addition to is embedding
Enter to the space of aforementioned hollow layer, such as the continuous gap of support structure thing in itself, the wire can of atomizing piece and fan is from institute
The gap stated by so that entirely with humidifying cooling ventilation function safety cap also appear to it is very brief.
Placing element space and the sidepiece one in front and one in back corresponding distribution that cap shell voided layer volume is larger, are advantageous to keep safety
The center of gravity of cap.The position in the space is changed according to different shaping during as product, wherein the placement member on a safety cap
Part space is exactly the volume that the outwardly convex of helmet brim side is formed, and the space passes through from cap shell voided layer, and lid door is from cap
Interior opening.
The part such as hat lining of the content of the present utility model also including safety cap body, in they and convention security cap
Equally, it is not illustrated by.
Add water, charging, connect the power supply of sprayer unit, the integrated circuit of control atomizing piece work automatically detects mist
Change piece, and it is corresponding in frequency range, send driving control signal by touch-switch can.It is less than water level when automatically detecting
Or during water shortage, then stop and enter off-mode.Traditional method is to be used as a triode by the use of thermistor or humistor
Pull down resistor control triode cut-off and conducting, this triode remakes extremely in parallel for control circuit, C, E of triode
In the node that the bipod of switching on and shutting down touch key or E poles ground connection, C poles connection low level shut down.
In order to illustrate the operation principle of the sprayer unit in the utility model, the utility model provides following preferable atomization
Piece driving circuit, but the example is not intended as to restriction of the present utility model.
Single-chip microcomputer integrated circuit of the atomization piece driving circuit as shown in Figure 2 from Shenzhen MXW (generation claims) electronics corporation
IC1 and solution.Its attribute is input voltage：3 to 12v/DC；Workload：Atomizing piece；Operating temperature:- 45 DEG C to+85
℃；Touch key switchs S1 switching on and shutting down, short-press start；5：After start, atomizing piece is started working, 2 hours of timing, 2 hours
Exported to closing.
The "+", the "-" that are marked in Fig. 2 are the power supply positive and negative terminal of power supply circuit respectively.Power positive end is connected to integrated circuit
IC1 and switch transformer TI one end, the switch transformer T1 pin of secondary coil one ground connection, pin series connection accumulation inductance L1 over the ground
And atomizing piece, the drive circuit can produce high frequency high current on atomizing piece.
IC1 the 4th pin is connected on positive source by a resistance, and connects a touch-switch S1 over the ground, when
By touch-switch S1, IC1 starts to start work, and IC1 the 6th pin is shown up effect as one 100n of output end series connection capacitance connection
Should pipe Q1 grid field effect pipe conducting.The drain electrode of FET is connected to a switch transformer T1 pin, field-effect
The source electrode of pipe is connected to the negative terminal of power supply circuit.When there is pulse voltage generation on Q1 grids, FET Q1 conductings, transformation is switched
Device T1 primary coil flows through electric current, because the voltage on grid is the high-frequency interrupted output of high frequency change, so switch becomes
Corresponding high-voltage large current driving atomizing piece, the powerful work under the assistance of energy storage inductor are induced on depressor T1 secondary coil
Make, water is vibrated into a burst of water smoke.Water smoke is blowed to the scalp of user by fan or discharged by fan by the hair of user
Cap shell, play fresh air, take away the effect of heat.
Claims (3)
1. a kind of safety cap with sprayer unit and fan, it is characterized in that：By safety cap body, an atomizing piece for having voided layer
And its drive circuit, fan and lithium battery power supply circuit are formed, the described safety cap body for having voided layer includes one and had time
The cap shell of the heart, includes other building blocks of convention security cap, has support structure between lower wall on described voided layer, the sky
The outer side of central layer cap has side in filler and its lid, cap also to have opening, and the opening places foregoing atomizing piece, the atomizing piece
One side be close to a sliver, the sliver extend into voided layer bottom water suction supply atomizing piece and sprays water smoke, and described fan is put
Be placed in the position without voided layer and adequate ventilation that on front side of cap shell or rear side is reserved, atomizing piece, atomization piece driving circuit and
The power supply of fan is provided by lithium battery power supply circuit.
2. a kind of safety cap with sprayer unit and fan according to claim 1, it is characterized in that：Described atomizing piece and
Its drive circuit has one piece to control the integrated circuit that atomizing piece works, and its output end passes through a capacitance connection a to field
The grid of effect pipe, the drain electrode of FET are connected to a pin of a switch transformer primary coil, the source electrode of FET
It is connected to the power supply negative terminal of lithium battery power supply circuit, the power supply that the power positive end of lithium battery power supply circuit is connected to integrated circuit draws
Another pin of the primary coil of pin and switch transformer, the pin of secondary coil one ground connection, a pin and the energy storage inductor of switch transformer
It is connected in series over the ground with atomizing piece.
3. a kind of safety cap with sprayer unit and fan according to claim 1, it is characterized in that：The atomizing piece driving
Circuit and lithium battery are arranged in the placing element space in foregoing cap shell, and the space includes the box added in cap shell,
The volume convexed to form in itself including cap shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866254.0U CN206994570U (en) | 2017-07-18 | 2017-07-18 | A kind of safety cap with sprayer unit and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866254.0U CN206994570U (en) | 2017-07-18 | 2017-07-18 | A kind of safety cap with sprayer unit and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206994570U true CN206994570U (en) | 2018-02-13 |
Family
ID=61454060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720866254.0U Expired - Fee Related CN206994570U (en) | 2017-07-18 | 2017-07-18 | A kind of safety cap with sprayer unit and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206994570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693329A (en) * | 2021-10-13 | 2021-11-26 | 浙江祥生建设工程有限公司 | Cooling safety helmet |
| CN115104796A (en) * | 2021-03-17 | 2022-09-27 | 高文昊 | Energy-saving combined wearable garment for winter and summer |
-
2017
- 2017-07-18 CN CN201720866254.0U patent/CN206994570U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115104796A (en) * | 2021-03-17 | 2022-09-27 | 高文昊 | Energy-saving combined wearable garment for winter and summer |
| CN113693329A (en) * | 2021-10-13 | 2021-11-26 | 浙江祥生建设工程有限公司 | Cooling safety helmet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20210718 |