CN205371047U - Fan system and electric fan heater - Google Patents
Fan system and electric fan heater Download PDFInfo
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- CN205371047U CN205371047U CN201520989000.9U CN201520989000U CN205371047U CN 205371047 U CN205371047 U CN 205371047U CN 201520989000 U CN201520989000 U CN 201520989000U CN 205371047 U CN205371047 U CN 205371047U
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- blower fan
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- heater
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Abstract
The utility model discloses a fan system and electric fan heater, wherein, DC power supply conversion equipment is connected with the mains input terminal electricity, the first end of first switch and the first end of fan all are connected with DC power supply conversion equipment's one end electricity, and DC power supply conversion equipment's the other end and earthing terminal electricity are connected, delay device's one end and the second of fan end electricity is connected, and delay device's the other end and earthing terminal electricity are connected, and delay device's control end holds electric the connection with the second of first switch, and delay device is used for that control fan works when first switch closure, just control fan late release when first switch breaks off. Can know by above -mentioned content, the utility model provides a technical scheme can be when the heater cuts out, through the delay device control fan late release for the fan continues in a period after the heater cuts out to dispel the heat to the heater, has avoided causing high -temperature damage to electric fan heater inner chamber working of plastics or other electrical parts, guarantees the long service life of electric fan heater.
Description
Technical field
This utility model relates to warm-air drier technical field, more specifically, relates to a kind of blower fan system and warm-air drier.
Background technology
At present, existing mechanical type convection current warm-air drier includes blower fan and heater, and wherein, the heat produced by heater by blower fan quickly blows out the cold and hot convection current of formation, to reach to improve the purpose of indoor temperature.Existing warm-air drier, for cost consideration, is generally adopted mechanical switch and controls the opening and closing of blower fan and heater, i.e. blower fan and heater are opened simultaneously and simultaneously close off.
General, in blower fan work process, the heat of heater surfaces can quickly be dispelled the heat by blower fan, and then avoids the temperature of warm-air drier inner chamber too high, without inner chamber working of plastics or other electrical parts are caused high-temperature damage.But, blower fan, while cutting out heater, directly cuts out by existing warm-air drier, and the heat of heater surfaces does not dissipate in time, and then there will be the situation of stronger thermal shock, warm-air drier inner chamber working of plastics or other electrical parts are caused high-temperature damage, affects the service life of warm-air drier.
Utility model content
In view of this, this utility model provides a kind of blower fan system and warm-air drier, can when heater cuts out, blower fan late release is controlled by deferred mount, make to continue heater is dispelled the heat in blower fan a period of time after heater cuts out, avoid and warm-air drier inner chamber working of plastics or other electrical parts are caused high-temperature damage, it is ensured that the long service life of warm-air drier.
For achieving the above object, the technical scheme that this utility model provides is as follows:
A kind of blower fan system, is applied to warm-air drier, including: mains electricity input end, apparatus for converting DC power, the first switch, blower fan, deferred mount and earth terminal；
Described apparatus for converting DC power electrically connects with described mains electricity input end；
Described first end of the first switch and the first end of blower fan all electrically connect with one end of described apparatus for converting DC power, and the other end of described apparatus for converting DC power electrically connects with described earth terminal；
One end of described deferred mount electrically connects with the second end of described blower fan, the other end of described deferred mount electrically connects with described earth terminal, and the end that controls of described deferred mount electrically connects with the described first the second end switched, wherein, described deferred mount is for controlling to control described blower fan late release when described blower fan works and switches off described first when described first switch Guan Bi.
Preferably, described deferred mount includes: resistance, the first electric capacity and switching device；
First end of described resistance and the first end of the first electric capacity all electrically connect with the second end of described first switch；
Second end of described resistance electrically connects with the control end of described switching device；
First end of described switching device electrically connects with the second end of described blower fan；
And, the second end of described switching device and the second end of the first electric capacity all electrically connect with described earth terminal.
Preferably, described switching device is audion, IGCT, metal-oxide-semiconductor or relay.
Preferably, described apparatus for converting DC power includes: transformator and rectification unit；
The primary coil of described transformator electrically connects with described mains electricity input end, and the secondary coil of described transformator electrically connects with described rectification unit；
And, one end of described rectification unit electrically connects with described first end of the first switch and the first end of blower fan, and the other end of described rectification unit electrically connects with described earth terminal.
Preferably, described rectification unit includes: the first diode, the second diode, the 3rd diode, the 4th diode and the second electric capacity；
The anode of described first diode and the negative electrode of the second diode all electrically connect with one end of described secondary coil；
The negative electrode of described first diode and the first end of the second electric capacity all electrically connect with described earth terminal；
The anode of described second diode electrically connects with the anode of described 3rd diode；
The described negative electrode of the 3rd diode and the anode of the 4th diode all electrically connect with the other end of described secondary coil；
And, the negative electrode of described 4th diode and the second end of the second electric capacity all electrically connect with described first end of the first switch and the first end of blower fan.
Preferably, described rectification unit also includes: the 3rd electric capacity；
First end of described 3rd electric capacity electrically connects with the first end of described second electric capacity, and the second end of described 3rd electric capacity electrically connects with the second end of described second electric capacity.
Preferably, described apparatus for converting DC power also includes: varistor；
The two ends of described varistor are electrical connection corresponding to the two ends of described primary coil respectively.
Preferably, one the 4th electric capacity is also electrically connected between live wire and the zero line of described mains electricity input end.
Accordingly, this utility model additionally provides a kind of warm-air drier, and described warm-air drier includes blower fan system, heater and second switch, and described blower fan system is above-mentioned blower fan system；
Wherein, described first switch and second switch are gang switch, and described second switch the first end electrically connects with the first end of described heater, the electrical connection corresponding to described mains electricity input end the second end of heater of the second end of described second switch.
Preferably, described heater is ptc heater, fast hot vaporizer or silicon wafer heater.
Compared to prior art, the technical scheme that this utility model provides at least has the advantage that
This utility model provides a kind of blower fan system and warm-air drier, including: mains electricity input end, apparatus for converting DC power, the first switch, blower fan, deferred mount and earth terminal；Described apparatus for converting DC power electrically connects with described mains electricity input end；Described first end of the first switch and the first end of blower fan all electrically connect with one end of described apparatus for converting DC power, and the other end of described apparatus for converting DC power electrically connects with described earth terminal；One end of described deferred mount electrically connects with the second end of described blower fan, the other end of described deferred mount electrically connects with described earth terminal, and the end that controls of described deferred mount electrically connects with the described first the second end switched, wherein, described deferred mount is for controlling to control described blower fan late release when described blower fan works and switches off described first when described first switch Guan Bi.
As shown in the above, the technical scheme that this utility model provides, can when heater cuts out, blower fan late release is controlled by deferred mount, make to continue heater is dispelled the heat in blower fan a period of time after heater cuts out, avoid and warm-air drier inner chamber working of plastics or other electrical parts are caused high-temperature damage, it is ensured that the long service life of warm-air drier.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The structural representation of a kind of blower fan system that Fig. 1 provides for this utility model；
The structural representation of the another kind of blower fan system that Fig. 2 provides for the embodiment of the present application；
The structural representation of a kind of warm-air drier that Fig. 3 provides for the embodiment of the present application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
As described in background, in blower fan work process, the heat of heater surfaces can quickly be dispelled the heat by blower fan, and then avoids the temperature of warm-air drier inner chamber too high, without inner chamber working of plastics or other electrical parts are caused high-temperature damage.But, blower fan, while cutting out heater, directly cuts out by existing warm-air drier, and the heat of heater surfaces does not dissipate in time, and then there will be the situation of stronger thermal shock, warm-air drier inner chamber working of plastics or other electrical parts are caused high-temperature damage, affects the service life of warm-air drier.
Based on this, the embodiment of the present application provides a kind of blower fan system and warm-air drier, can when heater cuts out, blower fan late release is controlled by deferred mount, make to continue heater is dispelled the heat in blower fan a period of time after heater cuts out, avoid and warm-air drier inner chamber working of plastics or other electrical parts are caused high-temperature damage, it is ensured that the long service life of warm-air drier.For achieving the above object, the technical scheme that the embodiment of the present application provides is as follows, and specifically in conjunction with shown in Fig. 1 to Fig. 3, the technical scheme that the embodiment of the present application is provided is described in detail.
With reference to shown in Fig. 1, for the structural representation of a kind of blower fan system that the embodiment of the present application provides, wherein, blower fan system is applied to warm-air drier, and blower fan system includes:
Mains electricity input end 10, apparatus for converting DC power the 20, first switch 30, blower fan 40, deferred mount 50 and earth terminal GND；
Described apparatus for converting DC power 20 electrically connects with described mains electricity input end 10；
Described first end of the first switch 30 and the first end of blower fan 40 all electrically connect with one end of described apparatus for converting DC power 20, and the other end of described apparatus for converting DC power 20 electrically connects with described earth terminal GND；
One end of described deferred mount 50 electrically connects with the second end of described blower fan 40, the other end of described deferred mount 50 electrically connects with described earth terminal GND, and the end that controls of described deferred mount 50 electrically connects with the second end of described first switch 30, wherein, described deferred mount 50 works for controlling described blower fan 40 when described first switchs 30 Guan Bi and controls the late release of described blower fan 40 when described first switchs 30 disconnection.
Concrete, shown in Fig. 1, mains electricity input end 10 includes FireWire port port VCL and zero line port VCN, electrically connects with the corresponding port of apparatus for converting DC power 20 respectively, and wherein, apparatus for converting DC power 20 for being converted to the unidirectional current of preset standard by civil power.It addition, the first switch 30 can be mechanical switch, wherein, the first switch being closed at and closing simultaneously turning off of heater in heater.
As shown in the above, the technical scheme that the embodiment of the present application provides, can when heater cuts out, blower fan late release is controlled by deferred mount, make to continue heater is dispelled the heat in blower fan a period of time after heater cuts out, avoid and warm-air drier inner chamber working of plastics or other electrical parts are caused high-temperature damage, it is ensured that the long service life of warm-air drier.
Further, with reference to shown in Fig. 2, for the structural representation of the another kind of blower fan system that the embodiment of the present application provides, wherein, described deferred mount 50 includes:
Resistance R, the first electric capacity C1 and switching device 51；
First end of described resistance R and first end of the first electric capacity C1 all switch second end of 30 and electrically connect with described first；
Second end of described resistance R electrically connects with the control end of described switching device 51；
First end of described switching device 51 electrically connects with the second end of described blower fan 40；
And, the second end of described switching device 51 and second end of the first electric capacity C1 all electrically connect with described earth terminal GND.
For the delay circuit that the embodiment of the present application provides, its operation principle is: when the first switch is closed, controls switching means into conduction, and forms path between blower fan and earth terminal and start working, and while Guan Bi the first switch, the first electric capacity is charged；When turning off the first switch, owing to the first electric capacity discharges, so can maintained switch device conducting state, keep the path between blower fan and earth terminal to work on, till the first electric capacity discharge off, reach to postpone the purpose that blower fan cuts out with this.
Wherein, the optional described switching device of the embodiment of the present application is audion, IGCT, MOS (metaloxidesemiconductor, metal-insulator semiconductor) pipe or relay.It addition, the first electric capacity that the embodiment of the present application provides can be electrochemical capacitor.It should be noted that the resistance of resistance of the embodiment of the present application offer and the capacitance of the first electric capacity all need, according to being determined time delay, this embodiment of the present application to be not specifically limited.
It addition, with reference to shown in Fig. 2, the described apparatus for converting DC power 20 that the embodiment of the present application provides includes: transformator 21 and rectification unit 22；
The primary coil of described transformator 21 electrically connects with described mains electricity input end 10, and the secondary coil of described transformator 21 electrically connects with described rectification unit 22；
And, one end of described rectification unit 22 switchs first end of 30 with described first and the first end of blower fan 40 electrically connects, and the other end of described rectification unit 22 electrically connects with described earth terminal GND.
Further, described rectification unit 22 includes: the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 and the second electric capacity C2；
The anode of described first diode D1 and the negative electrode of the second diode D2 all electrically connect with one end of described secondary coil；
The negative electrode of described first diode D1 and first end of the second electric capacity C2 all electrically connect with described earth terminal GND；
The anode of described second diode D2 electrically connects with the anode of described 3rd diode D3；
The described negative electrode of the 3rd diode D3 and the anode of the 4th diode D4 all electrically connect with the other end of described secondary coil；
And, the negative electrode of described 4th diode D4 and second end of the second electric capacity C2 all switch first end of 30 with described first and the first end of blower fan 40 electrically connects.
Wherein, optional second electric capacity of the embodiment of the present application is electrochemical capacitor.
In order to improve rectification effect, the described rectification unit 22 that the embodiment of the present application provides also includes: the 3rd electric capacity C3；
First end of described 3rd electric capacity C3 electrically connects with first end of described second electric capacity C2, and second end of described 3rd electric capacity C3 electrically connects with second end of described second electric capacity C2.
Further, in order to protect load, the described apparatus for converting DC power 10 that the embodiment of the present application provides also includes: varistor RV1；
The two ends of described varistor RV1 are electrical connection corresponding to the two ends of described primary coil respectively.
Further, in order to suppress and prevent interference, between the live wire VCL and zero line VCN of the described mains electricity input end that the embodiment of the present application provides, one the 4th electric capacity C4 is also electrically connected.
Accordingly, the embodiment of the present application additionally provides a kind of warm-air drier, with reference to shown in Fig. 3, structural representation for a kind of warm-air drier that the embodiment of the present application provides, wherein, described warm-air drier includes blower fan system 100, heater 200 and second switch 300, described blower fan system 100 for above-mentioned any one embodiment provide blower fan system；
Wherein, described first switch 30 and second switch 300 are gang switch, described second switch 300 first end electrically connects with the first end of described heater 200, the second end of described second switch 300 and the second end of heater 200 corresponding with described mains electricity input end 10 electrical connection.
The heater being connected with second switch is electrically connected with mains electricity input end, and second switch and the first switch are gang switch, namely, during Guan Bi gang switch, heater is started working, control switching means into conduction simultaneously, and form path between blower fan and earth terminal and start working, and while Guan Bi gang switch, the first electric capacity is charged；When turning off gang switch, heater cuts out, and owing to the first electric capacity discharges, and then can maintained switch device conducting state, keep the path between blower fan and earth terminal to work on, till the first electric capacity discharge off, reach to postpone the purpose that blower fan cuts out with this.
The preferred described heater of the embodiment of the present application is ptc heater, fast hot vaporizer or silicon wafer heater, and this embodiment of the present application is not specifically limited.
The embodiment of the present application provides a kind of blower fan system and warm-air drier, including: mains electricity input end, apparatus for converting DC power, the first switch, blower fan, deferred mount and earth terminal；Described apparatus for converting DC power electrically connects with described mains electricity input end；Described first end of the first switch and the first end of blower fan all electrically connect with the outfan of described apparatus for converting DC power；One end of described deferred mount electrically connects with the second end of described blower fan, the other end of described deferred mount electrically connects with described earth terminal, and the end that controls of described deferred mount electrically connects with the described first the second end switched, wherein, described deferred mount is for controlling to control described blower fan late release when described blower fan works and switches off described first when described first switch Guan Bi.
As shown in the above, the technical scheme that the embodiment of the present application provides, can when heater cuts out, blower fan late release is controlled by deferred mount, make to continue heater is dispelled the heat in blower fan a period of time after heater cuts out, avoid and warm-air drier inner chamber working of plastics or other electrical parts are caused high-temperature damage, it is ensured that the long service life of warm-air drier.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a blower fan system, is applied to warm-air drier, it is characterised in that including: mains electricity input end, apparatus for converting DC power, the first switch, blower fan, deferred mount and earth terminal；
Described apparatus for converting DC power electrically connects with described mains electricity input end；
Described first end of the first switch and the first end of blower fan all electrically connect with one end of described apparatus for converting DC power, and the other end of described apparatus for converting DC power electrically connects with described earth terminal；
One end of described deferred mount electrically connects with the second end of described blower fan, the other end of described deferred mount electrically connects with described earth terminal, and the end that controls of described deferred mount electrically connects with the described first the second end switched, wherein, described deferred mount is for controlling to control described blower fan late release when described blower fan works and switches off described first when described first switch Guan Bi.
2. blower fan system according to claim 1, it is characterised in that described deferred mount includes: resistance, the first electric capacity and switching device；
First end of described resistance and the first end of the first electric capacity all electrically connect with the second end of described first switch；
Second end of described resistance electrically connects with the control end of described switching device；
First end of described switching device electrically connects with the second end of described blower fan；
And, the second end of described switching device and the second end of the first electric capacity all electrically connect with described earth terminal.
3. blower fan system according to claim 2, it is characterised in that described switching device is audion, IGCT, metal-oxide-semiconductor or relay.
4. blower fan system according to claim 1, it is characterised in that described apparatus for converting DC power includes: transformator and rectification unit；
The primary coil of described transformator electrically connects with described mains electricity input end, and the secondary coil of described transformator electrically connects with described rectification unit；
And, one end of described rectification unit electrically connects with described first end of the first switch and the first end of blower fan, and the other end of described rectification unit electrically connects with described earth terminal.
5. blower fan system according to claim 4, it is characterised in that described rectification unit includes: the first diode, the second diode, the 3rd diode, the 4th diode and the second electric capacity；
The anode of described first diode and the negative electrode of the second diode all electrically connect with one end of described secondary coil；
The negative electrode of described first diode and the first end of the second electric capacity all electrically connect with described earth terminal；
The anode of described second diode electrically connects with the anode of described 3rd diode；
The described negative electrode of the 3rd diode and the anode of the 4th diode all electrically connect with the other end of described secondary coil；
And, the negative electrode of described 4th diode and the second end of the second electric capacity all electrically connect with described first end of the first switch and the first end of blower fan.
6. blower fan system according to claim 5, it is characterised in that described rectification unit also includes: the 3rd electric capacity；
First end of described 3rd electric capacity electrically connects with the first end of described second electric capacity, and the second end of described 3rd electric capacity electrically connects with the second end of described second electric capacity.
7. blower fan system according to claim 4, it is characterised in that described apparatus for converting DC power also includes: varistor；
The two ends of described varistor are electrical connection corresponding to the two ends of described primary coil respectively.
8. blower fan system according to claim 1, it is characterised in that also electrically connect one the 4th electric capacity between live wire and the zero line of described mains electricity input end.
9. a warm-air drier, it is characterised in that described warm-air drier includes blower fan system, heater and second switch, described blower fan system is the blower fan system described in claim 1～8 any one；
Wherein, described first switch and second switch are gang switch, and described second switch the first end electrically connects with the first end of described heater, the electrical connection corresponding to described mains electricity input end the second end of heater of the second end of described second switch.
10. warm-air drier according to claim 9, it is characterised in that described heater is ptc heater, fast hot vaporizer or silicon wafer heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989000.9U CN205371047U (en) | 2015-12-02 | 2015-12-02 | Fan system and electric fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989000.9U CN205371047U (en) | 2015-12-02 | 2015-12-02 | Fan system and electric fan heater |
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| Publication Number | Publication Date |
|---|---|
| CN205371047U true CN205371047U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520989000.9U Active CN205371047U (en) | 2015-12-02 | 2015-12-02 | Fan system and electric fan heater |
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| CN (1) | CN205371047U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109041281A (en) * | 2018-08-03 | 2018-12-18 | 东莞安普川自动化技术有限公司 | Single firewire smart delays protective switch |
| CN111457584A (en) * | 2019-01-25 | 2020-07-28 | 广东三竺新能源有限公司 | Bathroom warmer |
| CN115615006A (en) * | 2022-09-26 | 2023-01-17 | 珠海格力电器股份有限公司 | Fan heater, control method thereof and storage medium |
-
2015
- 2015-12-02 CN CN201520989000.9U patent/CN205371047U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109041281A (en) * | 2018-08-03 | 2018-12-18 | 东莞安普川自动化技术有限公司 | Single firewire smart delays protective switch |
| CN111457584A (en) * | 2019-01-25 | 2020-07-28 | 广东三竺新能源有限公司 | Bathroom warmer |
| CN115615006A (en) * | 2022-09-26 | 2023-01-17 | 珠海格力电器股份有限公司 | Fan heater, control method thereof and storage medium |
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