CN101069623A - Period-power-supplying hot-air returning type hand-drying machine - Google Patents
Period-power-supplying hot-air returning type hand-drying machine Download PDFInfo
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- CN101069623A CN101069623A CN 200610080410 CN200610080410A CN101069623A CN 101069623 A CN101069623 A CN 101069623A CN 200610080410 CN200610080410 CN 200610080410 CN 200610080410 A CN200610080410 A CN 200610080410A CN 101069623 A CN101069623 A CN 101069623A
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Abstract
The present invention relates to an electricity-saving periodically power-supplied hot air back-flowed hand-drying machine. It includes the following several portions: shell body, air inlet and air outlet, in the shell body interior an air inlet pipe, air-supplying machine, heating device and air outlet pipe are mounted. Besides, a semi-closed cavity body is connected between said air inlet and said air outlet, the middle portion of said cavity body is equipped with a hand-drying opening, said air inlet and said air outlet are horizontally opposite. Said invention also provides the working principle of said hot air back-flowed hand-drying machine and its concrete operation method.
Description
Technical field
The present invention relates to the hand dryer in a kind of bathroom electrical equipment, especially a kind of energy-saving hand dryer.
Background technology
The structure of existing hand dryer mainly is made up of air inlet, air intake duct, pressure fan, heater, gas off-take, gas outlet and housing.Air also is along being accelerated, heating at such path, and then flows out housing and gone desiccation.Improve heating-up temperature and speed air flow and can accelerate drying effect, existing product is in order to improve the efficiency of heating surface, heater all more than 1500 watts, is problem whether the heat of these generations has all brought into play effectiveness? obviously be not, having quite a few heat to flow out the hand dryer housing directly is dispersed in the air, and the hot-air of dry hand also directly slatterned after receiving and distributing, and the temperature of this part air this moment is still very high, and the temperature nice and high of the air that enters than air inlet is many.In addition, heater temperature after work is very high, in case stop using, the heat that itself carries just has been wasted because of cooling off naturally.
Summary of the invention
The purpose of this invention is to provide and a kind ofly make the air after the heating behind dry hand, flow back to the hand dryer that housing heats again, the heating of heater cycle and pressure fan continuous operation, and accelerated air supply velocity; The utilization rate of hot-air that solves existing hand dryer is low, the technical deficiency that energy consumption is big.
The objective of the invention is to be achieved through the following technical solutions:
A kind of hot-air returning type hand-drying machine of period-power-supplying, comprise housing, air inlet, gas outlet, be provided with air intake duct, pressure fan, heater, gas off-take, control circuit in the housing, it is characterized in that: be provided with semi-enclosed cavity of a connection air inlet and gas outlet, the cavity middle part is provided with baking hand opening.
Air inlet of the present invention is relative with the gas outlet.
Air inlet of the present invention is relative with the gas outlet level.
Arch upward in the profile middle part of cavity baking hand opening of the present invention two directions up and down; Air inlet and gas outlet are located at the two ends, the left and right sides of cavity, and baking hand opening is placed in the middle on the cavity left and right directions, and the side-to-side dimensions of baking hand opening is less than the side-to-side dimensions of cavity; Outwards arch upward along ring in week in the middle part of cavity; The cavity bottom is provided with weeper, and the weeper below is provided with water storage case; Inductive probe is located at the cavity middle and upper part.
The Y-axis line overlap of the line of centres of air inlet of the present invention and gas outlet and cavity.
Vertical depth dimensions at cavity of the present invention middle part otherwise less than 1.5 times hand length; Size about baking hand opening otherwise less than 2 times palm width.
The present invention dries by the fire the inferoanterior of hand opening towards housing.
The present invention is diminished gradually by the sectional area of gas off-take to the gas outlet; The gas outlet is made up of several little pores.
Be provided with the different heater element of watt level of at least two parallel connections in the heater of the present invention, all heater elements are divided into two groups, and what power was little is located at one group, and two groups of heater elements are located at respectively on two control loops of a relay; If the control chip of a control circuit cycle conducting links to each other with the electromagnetism pull-in winding circuit of relay; The pressure fan circuit is in parallel with the heating circuit; One group of control contact of serial connection outage delayer in the pressure fan circuit, the control contact of serial connection inductive probe in the electric power loop of outage delayer.
Be provided with a heater element in the heater of the present invention; The pressure fan circuit is in parallel with the heating circuit; One group of control contact of serial connection one outage delayer in the pressure fan circuit, the control contact of serial connection inductive probe in the electric power loop of outage delayer; If a contactor, the control contact of inductive probe is serially connected in the electric power loop of contactor, and one group of control contact of contactor is serially connected in the work main circuit; Be provided with another contactor again, another group control contact of outage delayer is serially connected in the electric power loop of another contactor, and the control contact of another contactor is in parallel with the described control contact of contactor in being serially connected in the work main circuit; One group of control contact of serial connection one heating circuit contactor in the heating circuit, if the control chip of a control circuit cycle conducting, the control chip control end is serially connected in the electric power loop of heating circuit contactor, and the control contact of inductive probe is serially connected in the electric power loop of control chip.
Beneficial effect of the present invention is: the air after the heating can reuse, the heating of heater cycle, and heat is fully utilized, and waste of energy is few; Air supply velocity is accelerated, and drying effect is good.
Description of drawings
Fig. 1 is the stereochemical structure perspective view of the embodiment of the invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the electrical schematic diagram of the embodiment of the invention.
1 housing, 2 air inlets, 3 air intake ducts, 4 pressure fans, 5 heaters, 6 gas off-takes, 7 gas outlets, 8 weepers, 9 cavitys, 10 baking hand openings, 11 water storage cases
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
The present invention is also applicable to be done on the machine of sending out, the stem body machine.
As Fig. 1, Fig. 2, shown in Figure 3, Fig. 2, Fig. 3 are sectional elevation, the longitudinal section of cavity 9.The present invention includes a housing 1, be provided with air inlet 2, gas outlet 7, air intake duct 3, pressure fan 4, heater 5, gas off-take 6, control circuit in the housing 1.Be provided with semi-enclosed cavity 9 of a connection air inlet 2 and gas outlet 7, cavity 9 middle parts are provided with baking hand opening 10, and air inlet 2 and gas outlet 7 are located at the two ends, the left and right sides of cavity 9, and air inlet 2 is relative with gas outlet 7 levels.Outwards arch upward along ring in week in the middle part of cavity 9; Arch upward in the profile middle part of the baking hand opening 10 of cavity 9 two directions up and down; Baking hand opening 10 is placed in the middle on cavity 9 left and right directions, and the side-to-side dimensions of baking hand opening 10 is less than the side-to-side dimensions of cavity 9.Cavity 9 bottoms are provided with weeper 8, and weeper 8 belows are provided with water storage case 11.Air inlet 2 and the line of centres of gas outlet 7 and the Y-axis line overlap of cavity 9.Vertical depth dimensions at cavity 9 middle parts otherwise less than 1.5 times hand length; The size of baking hand opening about 10 otherwise less than 2 times palm width.Baking hand opening 10 is towards the inferoanterior of housing 9.Inductive probe is located at the middle and upper part in the cavity 9.
7 sectional area diminishes gradually to the gas outlet by gas off-take 6; Gas outlet 7 is made up of several little pores.Can accelerate air supply velocity like this, improve drying effect, reduce the hot blast waste.Air inlet 2 aperture efficiencies are bigger, are beneficial to reduce windage.
As shown in Figure 4, be provided with the different heater element R1 and the R2 of watt level of two parallel connections in the heater 5 of the present invention, two groups of heater elements are located on two control loops of a relay; If the control chip of a control circuit cycle conducting, the control end of control chip is serially connected in the electric power loop of relay, and the control contact of inductive probe is serially connected in the electric power loop of control chip; The pressure fan circuit is in parallel with the heating circuit; If a contactor 1, the control contact of inductive probe is serially connected in the electric power loop of contactor 1, and one group of control contact of contactor 1 is serially connected in the work main circuit; One group of control contact of serial connection outage delayer in the pressure fan circuit, the control contact of serial connection inductive probe in the electric power loop of outage delayer; Be provided with contactor 2, another group of outage delayer is often opened the control contact and is serially connected in the electric power loop of contactor 2, and the control contact of contactor 2 is in parallel with the described control contact of contactor 1 in being serially connected in the work main circuit.The delay time of outage delayer is 5～15 seconds, is for the humid air in the housing is blown away like this.
As a specific embodiments, be provided with a heater element in the heater 5, establish a heating circuit contactor, one group of control contact of serial connection heating circuit contactor in the heating circuit; If the control chip of a control circuit cycle conducting, the control end of control chip are serially connected in the power circuit of heating circuit contactor; The control contact of inductive probe is serially connected in the electric power loop of control chip; Serial connection one outage delayer in the pressure fan circuit; The pressure fan circuit is in parallel with the heating circuit; Other circuit structure and the foregoing description are roughly the same.
In a work period, the working time of heater element is that 3～1 multiple proportions of non-working time are more suitable.
In a work period, the working time of high-power heater element is that 3～1 multiple proportions of working time of small-power heater element are more suitable.Power savings can be strengthened like this, and the abundant use of energy can be guaranteed.
Claims (10)
1. the hot-air returning type hand-drying machine of a period-power-supplying, comprise housing, air inlet, gas outlet, be provided with air intake duct, pressure fan, heater, gas off-take and control circuit in the housing, it is characterized in that: be provided with the semi-enclosed cavity that connects air inlet and gas outlet, the cavity middle part is provided with baking hand opening.
2. the hot-air returning type hand-drying machine of period-power-supplying according to claim 1, it is characterized by: air inlet is relative with the gas outlet.
3. the hot-air returning type hand-drying machine of period-power-supplying according to claim 1 and 2, it is characterized by: air inlet is relative with the gas outlet level.
4. the hot-air returning type hand-drying machine of period-power-supplying according to claim 1 and 2 is characterized by: outwards arch upward along ring in week in the middle part of cavity; Arch upward in the profile middle part of the baking hand opening of cavity two directions up and down; Air inlet and gas outlet are located at the two ends, the left and right sides of cavity, and baking hand opening is placed in the middle on the cavity left and right directions, and the side-to-side dimensions of baking hand opening is less than the side-to-side dimensions of cavity; The cavity bottom is provided with weeper, and the weeper below is provided with water storage case; Inductive probe is located at the cavity middle and upper part.
5. the hot-air returning type hand-drying machine of period-power-supplying according to claim 1 and 2 is characterized by: the Y-axis line overlap of the line of centres of air inlet and gas outlet and cavity.
6. the hot-air returning type hand-drying machine of period-power-supplying according to claim 1 and 2 is characterized by: vertical depth dimensions at cavity middle part otherwise less than 1.5 times hand length; Size about baking hand opening otherwise less than 2 times palm width.
7. the hot-air returning type hand-drying machine of period-power-supplying according to claim 1 and 2 is characterized by: dry by the fire the inferoanterior of hand opening towards housing.
8. the hot-air returning type hand-drying machine of period-power-supplying according to claim 1 and 2 is characterized by: diminished gradually by the sectional area of gas off-take to the gas outlet; The gas outlet is made up of several little pores.
9. the hot-air returning type hand-drying machine of period-power-supplying according to claim 1, it is characterized by: the different heater element of watt level that is provided with at least two parallel connections in the heater, all heater elements are divided into two groups, what power was little is located at one group, and two groups of heater elements are located on two control loops of a relay; If the control chip of a control circuit cycle conducting links to each other with the electromagnetism pull-in winding circuit of relay; The pressure fan circuit is in parallel with the heating circuit; One group of control contact of serial connection outage delayer in the pressure fan circuit, the control contact of serial connection inductive probe in the electric power loop of outage delayer.
10. according to the hot-air returning type hand-drying machine of claim 1 or 9 described period-power-supplyings, it is characterized by: be provided with a heater element in the heater; The pressure fan circuit is in parallel with the heating circuit; One group of control contact of serial connection one outage delayer in the pressure fan circuit, the control contact of serial connection inductive probe in the electric power loop of outage delayer; If a contactor, the control contact of inductive probe is serially connected in the electric power loop of contactor, and one group of control contact of contactor is serially connected in the work main circuit; Be provided with another contactor again, another group control contact of outage delayer is serially connected in the electric power loop of another contactor, and the control contact of another contactor is in parallel with the described control contact of contactor in being serially connected in the work main circuit; One group of control contact of serial connection one heating circuit contactor in the heating circuit, if the control chip of a control circuit cycle conducting, the control chip control end is serially connected in the electric power loop of heating circuit contactor, and the control contact of inductive probe is serially connected in the electric power loop of control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610080410 CN101069623A (en) | 2006-05-12 | 2006-05-12 | Period-power-supplying hot-air returning type hand-drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610080410 CN101069623A (en) | 2006-05-12 | 2006-05-12 | Period-power-supplying hot-air returning type hand-drying machine |
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| Publication Number | Publication Date |
|---|---|
| CN101069623A true CN101069623A (en) | 2007-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610080410 Pending CN101069623A (en) | 2006-05-12 | 2006-05-12 | Period-power-supplying hot-air returning type hand-drying machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107837029A (en) * | 2016-09-20 | 2018-03-27 | 波音公司 | Hand dryer with the air-flow through management |
-
2006
- 2006-05-12 CN CN 200610080410 patent/CN101069623A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107837029A (en) * | 2016-09-20 | 2018-03-27 | 波音公司 | Hand dryer with the air-flow through management |
| US11129505B2 (en) | 2016-09-20 | 2021-09-28 | The Boeing Company | Hand dryer having managed air flow |
| CN107837029B (en) * | 2016-09-20 | 2022-03-08 | 波音公司 | Aircraft and method for drying hands in a lavatory |
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