CN105298892A - Fan system and warm air blower - Google Patents
Fan system and warm air blower Download PDFInfo
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- CN105298892A CN105298892A CN201510883330.4A CN201510883330A CN105298892A CN 105298892 A CN105298892 A CN 105298892A CN 201510883330 A CN201510883330 A CN 201510883330A CN 105298892 A CN105298892 A CN 105298892A
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- 230000005611 electricity Effects 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000006200 vaporizer Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 10
- 229920003023 plastic Polymers 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 230000003111 delayed effect Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 1
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Abstract
The invention discloses a fan system and a warm air fan, wherein a direct current power supply conversion device is electrically connected with a mains supply input end; the first end of the first switch and the first end of the fan are both electrically connected with one end of the direct-current power supply conversion device, and the other end of the direct-current power supply conversion device is electrically connected with the grounding end; one end of the delay device is electrically connected with the second end of the fan, the other end of the delay device is electrically connected with the grounding end, the control end of the delay device is electrically connected with the second end of the first switch, and the delay device is used for controlling the fan to work when the first switch is closed and controlling the fan to be turned off in a delayed mode when the first switch is opened. According to the technical scheme provided by the invention, when the heater is turned off, the delay device is used for controlling the fan to be turned off in a delay manner, so that the fan can continuously radiate the heater within a period of time after the heater is turned off, high-temperature damage to plastic parts in an inner cavity of the warm air blower or other electric devices is avoided, and the service life of the warm air blower is ensured.
Description
Technical field
The present invention relates to warm-air drier technical field, more specifically, relate to a kind of blower fan system and warm-air drier.
Background technique
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 is blown out fast and forms cold and hot convection current, to reach the object improving room temperature.Existing warm-air drier is in order to cost consideration, and the general opening and closing adopting mechanical switch to control blower fan and heater, that is, blower fan and heater are opened simultaneously and closed simultaneously.
General, in blower fan working procedure, the heat of heater surfaces can very fast dispelling the heat by blower fan, and then avoid the temperature of warm-air drier inner chamber too high, and can not cause high-temperature damage to inner chamber working of plastics or other electrical parts.But blower fan, while cut 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, high-temperature damage is caused to warm-air drier inner chamber working of plastics or other electrical parts, affects the working life of warm-air drier.
Summary of the invention
In view of this, the invention provides a kind of blower fan system and warm-air drier, can when heater cuts out, blower fan late release is controlled by delay unit, make to continue to dispel the heat to heater in blower fan a period of time after heater cuts out, avoid and high-temperature damage is caused to warm-air drier inner chamber working of plastics or other electrical parts, ensure the long service life of warm-air drier.
For achieving the above object, technological scheme provided by the invention is as follows:
A kind of blower fan system, is applied to warm-air drier, comprises: mains electricity input end, apparatus for converting DC power, the first switch, blower fan, delay unit and grounding end;
Described apparatus for converting DC power is electrically connected with described mains electricity input end;
The first end of described first switch and the first end of blower fan are all electrically connected with one end of described apparatus for converting DC power, and the other end of described apparatus for converting DC power is electrically connected with described grounding end;
One end of described delay unit is electrically connected with the second end of described blower fan, the other end of described delay unit is electrically connected with described grounding end, and the control end of described delay unit is electrically connected with the second end of described first switch, wherein, described delay unit is used for controlling described blower fan work when described first switch closes and controls described blower fan late release when described first switch disconnects.
Preferably, described delay unit comprises: resistance, the first electric capacity and switch gear;
The first end of described resistance and the first end of the first electric capacity are all electrically connected with the second end of described first switch;
Second end of described resistance is electrically connected with the control end of described switch gear;
The first end of described switch gear is electrically connected with the second end of described blower fan;
And the second end of described switch gear and the second end of the first electric capacity are all electrically connected with described grounding end.
Preferably, described switch gear is triode, thyristor, metal-oxide-semiconductor or relay.
Preferably, described apparatus for converting DC power comprises: transformer and rectifying unit;
The primary air of described transformer is electrically connected with described mains electricity input end, and the secondary winding of described transformer is electrically connected with described rectifying unit;
And one end of described rectifying unit is electrically connected with the described first end of the first switch and the first end of blower fan, and the other end of described rectifying unit is electrically connected with described grounding end.
Preferably, described rectifying unit comprises: 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 are all electrically connected with one end of described secondary winding;
The negative electrode of described first diode and the first end of the second electric capacity are all electrically connected with described grounding end;
The anode of described second diode is electrically connected with the anode of described 3rd diode;
The negative electrode of described 3rd diode and the anode of the 4th diode are all electrically connected with the other end of described secondary winding;
And the negative electrode of described 4th diode and the second end of the second electric capacity are all electrically connected with the described first end of the first switch and the first end of blower fan.
Preferably, described rectifying unit also comprises: the 3rd electric capacity;
The first end of described 3rd electric capacity is electrically connected with the first end of described second electric capacity, and the second end of described 3rd electric capacity is electrically connected with the second end of described second electric capacity.
Preferably, described apparatus for converting DC power also comprises: piezoresistance;
The two ends of described piezoresistance are corresponding with the two ends of described primary air to be respectively electrically connected.
Preferably, one the 4th electric capacity is also electrically connected between the live wire of described mains electricity input end and zero line.
Accordingly, present invention also offers a kind of warm-air drier, described warm-air drier comprises 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 first end is electrically connected with the first end of described heater, the second end of described second switch and the second end of heater is corresponding with described mains electricity input end is electrically connected.
Preferably, described heater is ptc heater, fast hot vaporizer or silicon wafer heater.
Compared to prior art, technological scheme provided by the invention at least has the following advantages:
The invention provides a kind of blower fan system and warm-air drier, comprising: mains electricity input end, apparatus for converting DC power, the first switch, blower fan, delay unit and grounding end; Described apparatus for converting DC power is electrically connected with described mains electricity input end; The first end of described first switch and the first end of blower fan are all electrically connected with one end of described apparatus for converting DC power, and the other end of described apparatus for converting DC power is electrically connected with described grounding end; One end of described delay unit is electrically connected with the second end of described blower fan, the other end of described delay unit is electrically connected with described grounding end, and the control end of described delay unit is electrically connected with the second end of described first switch, wherein, described delay unit is used for controlling described blower fan work when described first switch closes and controls described blower fan late release when described first switch disconnects.
As shown in the above, technological scheme provided by the invention, can when heater cuts out, blower fan late release is controlled by delay unit, make to continue to dispel the heat to heater in blower fan a period of time after heater cuts out, avoid and high-temperature damage is caused to warm-air drier inner chamber working of plastics or other electrical parts, ensure the long service life of warm-air drier.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of a kind of blower fan system provided by the invention;
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.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As described in background, in blower fan working procedure, the heat of heater surfaces can very fast dispelling the heat by blower fan, and then avoid the temperature of warm-air drier inner chamber too high, and can not cause high-temperature damage to inner chamber working of plastics or other electrical parts.But blower fan, while cut 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, high-temperature damage is caused to warm-air drier inner chamber working of plastics or other electrical parts, affects the working 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 delay unit, make to continue to dispel the heat to heater in blower fan a period of time after heater cuts out, avoid and high-temperature damage is caused to warm-air drier inner chamber working of plastics or other electrical parts, ensure the long service life of warm-air drier.For achieving the above object, the technological scheme that the embodiment of the present application provides is as follows, shown in concrete composition graphs 1 to Fig. 3, is described in detail the technological scheme that the embodiment of the present application provides.
Shown in figure 1, be 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 comprises:
Mains electricity input end 10, apparatus for converting DC power 20, first switch 30, blower fan 40, delay unit 50 and grounding end GND;
Described apparatus for converting DC power 20 is electrically connected with described mains electricity input end 10;
The first end of described first switch 30 and the first end of blower fan 40 are all electrically connected with one end of described apparatus for converting DC power 20, and the other end of described apparatus for converting DC power 20 is electrically connected with described grounding end GND;
One end of described delay unit 50 is electrically connected with the second end of described blower fan 40, the other end of described delay unit 50 is electrically connected with described grounding end GND, and the control end of described delay unit 50 is electrically connected with the second end of described first switch 30, wherein, described delay unit 50 works for controlling described blower fan 40 when described first switch 30 closes and controls the late release of described blower fan 40 when described first switch 30 disconnects.
Concrete, shown in composition graphs 1, mains electricity input end 10 includes FireWire port port VCL and zero line port VCN, is electrically connected respectively with the corresponding port of apparatus for converting DC power 20, wherein, apparatus for converting DC power 20 is for being converted to the direct current of preset standard by civil power.In addition, the first switch 30 can be mechanical switch, and wherein, the first switch closes and turns off while cut out heater while heater.
As shown in the above, the technological scheme that the embodiment of the present application provides, can when heater cuts out, blower fan late release is controlled by delay unit, make to continue to dispel the heat to heater in blower fan a period of time after heater cuts out, avoid and high-temperature damage is caused to warm-air drier inner chamber working of plastics or other electrical parts, ensure the long service life of warm-air drier.
Further, shown in figure 2, be the structural representation of the another kind of blower fan system that the embodiment of the present application provides, wherein, described delay unit 50 comprises:
Resistance R, the first electric capacity C1 and switch gear 51;
The first end of described resistance R and the first end of the first electric capacity C1 are all electrically connected with the second end of described first switch 30;
Second end of described resistance R is electrically connected with the control end of described switch gear 51;
The first end of described switch gear 51 is electrically connected with the second end of described blower fan 40;
And the second end of described switch gear 51 and second end of the first electric capacity C1 are all electrically connected with described grounding end GND.
For the delay circuit that the embodiment of the present application provides, its working principle is: when the first switch is closed, the conducting of control switch device, and forms path between blower fan and grounding end and start working, and charges to the first electric capacity while closed first switch; When shutoff the first switch, due to the first capacitor discharge, and then can maintained switch device on state, keep the path between blower fan and grounding end and work on, till the first capacitor discharge is complete, reaching with this object postponing blower fan and close.
Wherein, the optional described switch gear of the embodiment of the present application is triode, thyristor, MOS (metaloxidesemiconductor, metal-insulator semiconductor) pipe or relay.In 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 the resistance that the embodiment of the present application provides and the Capacity of the first electric capacity all need, according to determining retard time, not do concrete restriction to this embodiment of the present application.
In addition, shown in figure 2, the described apparatus for converting DC power 20 that the embodiment of the present application provides comprises: transformer 21 and rectifying unit 22;
The primary air of described transformer 21 is electrically connected with described mains electricity input end 10, and the secondary winding of described transformer 21 is electrically connected with described rectifying unit 22;
And one end of described rectifying unit 22 is electrically connected with the described first end of the first switch 30 and the first end of blower fan 40, and the other end of described rectifying unit 22 is electrically connected with described grounding end GND.
Further, described rectifying unit 22 comprises: 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 are all electrically connected with one end of described secondary winding;
The negative electrode of described first diode D1 and the first end of the second electric capacity C2 are all electrically connected with described grounding end GND;
The anode of described second diode D2 is electrically connected with the anode of described 3rd diode D3;
The negative electrode of described 3rd diode D3 and the anode of the 4th diode D4 are all electrically connected with the other end of described secondary winding;
And the negative electrode of described 4th diode D4 and second end of the second electric capacity C2 are all electrically connected with the described first end of the first switch 30 and the first end of blower fan 40.
Wherein, optional second electric capacity of the embodiment of the present application is electrochemical capacitor.
In order to improve rectification effect, the described rectifying unit 22 that the embodiment of the present application provides also comprises: the 3rd electric capacity C3;
The first end of described 3rd electric capacity C3 is electrically connected with the first end of described second electric capacity C2, and second end of described 3rd electric capacity C3 is electrically connected 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 comprises: piezoresistance RV1;
The two ends of described piezoresistance RV1 are corresponding with the two ends of described primary air to be respectively electrically connected.
Further, in order to suppress and prevent interference, one the 4th electric capacity C4 between the live wire VCL of the described mains electricity input end that the embodiment of the present application provides and zero line VCN, is also electrically connected.
Accordingly, the embodiment of the present application additionally provides a kind of warm-air drier, shown in figure 3, for the structural representation of a kind of warm-air drier that the embodiment of the present application provides, wherein, described warm-air drier comprises blower fan system 100, heater 200 and second switch 300, described blower fan system 100 for above-mentioned any embodiment provide blower fan system;
Wherein, described first switch 30 and second switch 300 are gang switch, described second switch 300 first end is electrically connected with the first end of described heater 200, the second end of described second switch 300 and the second end of heater 200 is corresponding with described mains electricity input end 10 is electrically connected.
The heater be connected with second switch is electrically connected with mains electricity input end, and second switch and the first switch are gang switch, namely, during closed gang switch, heater is started working, control switch device conducting simultaneously, and form path between blower fan and grounding end and start working, and while closed gang switch, the first electric capacity is charged; When turning off gang switch, heater cuts out, and due to the first capacitor discharge, and then can maintained switch device on state, keep the path between blower fan and grounding end and work on, till the first capacitor discharge is complete, reaching with this object postponing blower fan and close.
The preferred described heater of the embodiment of the present application is ptc heater, fast hot vaporizer or silicon wafer heater, does not do concrete restriction to this embodiment of the present application.
The embodiment of the present application provides a kind of blower fan system and warm-air drier, comprising: mains electricity input end, apparatus for converting DC power, the first switch, blower fan, delay unit and grounding end; Described apparatus for converting DC power is electrically connected with described mains electricity input end; The first end of described first switch and the first end of blower fan are all electrically connected with the output terminal of described apparatus for converting DC power; One end of described delay unit is electrically connected with the second end of described blower fan, the other end of described delay unit is electrically connected with described grounding end, and the control end of described delay unit is electrically connected with the second end of described first switch, wherein, described delay unit is used for controlling described blower fan work when described first switch closes and controls described blower fan late release when described first switch disconnects.
As shown in the above, the technological scheme that the embodiment of the present application provides, can when heater cuts out, blower fan late release is controlled by delay unit, make to continue to dispel the heat to heater in blower fan a period of time after heater cuts out, avoid and high-temperature damage is caused to warm-air drier inner chamber working of plastics or other electrical parts, ensure the long service life of warm-air drier.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a blower fan system, is applied to warm-air drier, it is characterized in that, comprising: mains electricity input end, apparatus for converting DC power, the first switch, blower fan, delay unit and grounding end;
Described apparatus for converting DC power is electrically connected with described mains electricity input end;
The first end of described first switch and the first end of blower fan are all electrically connected with one end of described apparatus for converting DC power, and the other end of described apparatus for converting DC power is electrically connected with described grounding end;
One end of described delay unit is electrically connected with the second end of described blower fan, the other end of described delay unit is electrically connected with described grounding end, and the control end of described delay unit is electrically connected with the second end of described first switch, wherein, described delay unit is used for controlling described blower fan work when described first switch closes and controls described blower fan late release when described first switch disconnects.
2. blower fan system according to claim 1, is characterized in that, described delay unit comprises: resistance, the first electric capacity and switch gear;
The first end of described resistance and the first end of the first electric capacity are all electrically connected with the second end of described first switch;
Second end of described resistance is electrically connected with the control end of described switch gear;
The first end of described switch gear is electrically connected with the second end of described blower fan;
And the second end of described switch gear and the second end of the first electric capacity are all electrically connected with described grounding end.
3. blower fan system according to claim 2, is characterized in that, described switch gear is triode, thyristor, metal-oxide-semiconductor or relay.
4. blower fan system according to claim 1, is characterized in that, described apparatus for converting DC power comprises: transformer and rectifying unit;
The primary air of described transformer is electrically connected with described mains electricity input end, and the secondary winding of described transformer is electrically connected with described rectifying unit;
And one end of described rectifying unit is electrically connected with the described first end of the first switch and the first end of blower fan, and the other end of described rectifying unit is electrically connected with described grounding end.
5. blower fan system according to claim 1, is characterized in that, described rectifying unit comprises: 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 are all electrically connected with one end of described secondary winding;
The negative electrode of described first diode and the first end of the second electric capacity are all electrically connected with described grounding end;
The anode of described second diode is electrically connected with the anode of described 3rd diode;
The negative electrode of described 3rd diode and the anode of the 4th diode are all electrically connected with the other end of described secondary winding;
And the negative electrode of described 4th diode and the second end of the second electric capacity are all electrically connected with the described first end of the first switch and the first end of blower fan.
6. blower fan system according to claim 5, is characterized in that, described rectifying unit also comprises: the 3rd electric capacity;
The first end of described 3rd electric capacity is electrically connected with the first end of described second electric capacity, and the second end of described 3rd electric capacity is electrically connected with the second end of described second electric capacity.
7. blower fan system according to claim 4, is characterized in that, described apparatus for converting DC power also comprises: piezoresistance;
The two ends of described piezoresistance are corresponding with the two ends of described primary air to be respectively electrically connected.
8. blower fan system according to claim 1, is characterized in that, is also electrically connected one the 4th electric capacity between the live wire of described mains electricity input end and zero line.
9. a warm-air drier, is characterized in that, described warm-air drier comprises blower fan system, heater and second switch, and 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 first end is electrically connected with the first end of described heater, the second end of described second switch and the second end of heater is corresponding with described mains electricity input end is electrically connected.
10. warm-air drier according to claim 9, is characterized in that, described heater is ptc heater, fast hot vaporizer or silicon wafer heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883330.4A CN105298892A (en) | 2015-12-02 | 2015-12-02 | Fan system and warm air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883330.4A CN105298892A (en) | 2015-12-02 | 2015-12-02 | Fan system and warm air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105298892A true CN105298892A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510883330.4A Pending CN105298892A (en) | 2015-12-02 | 2015-12-02 | Fan system and warm air blower |
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| Country | Link |
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| CN (1) | CN105298892A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457584A (en) * | 2019-01-25 | 2020-07-28 | 广东三竺新能源有限公司 | Bathroom warmer |
| CN116085294A (en) * | 2023-04-10 | 2023-05-09 | 江西清华泰豪三波电机有限公司 | Control device and power supply system |
-
2015
- 2015-12-02 CN CN201510883330.4A patent/CN105298892A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457584A (en) * | 2019-01-25 | 2020-07-28 | 广东三竺新能源有限公司 | Bathroom warmer |
| CN116085294A (en) * | 2023-04-10 | 2023-05-09 | 江西清华泰豪三波电机有限公司 | Control device and power supply system |
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Application publication date: 20160203 |