CN106073605A - Hand dryer and temperature control system thereof - Google Patents
Hand dryer and temperature control system thereof Download PDFInfo
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- CN106073605A CN106073605A CN201610509356.7A CN201610509356A CN106073605A CN 106073605 A CN106073605 A CN 106073605A CN 201610509356 A CN201610509356 A CN 201610509356A CN 106073605 A CN106073605 A CN 106073605A
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- temperature
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- hand dryer
- heating
- control system
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/48—Drying by means of hot air
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
- G05D23/2401—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor using a heating element as a sensing element
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to dry arm device technical field, it is provided that a kind of hand dryer and temperature control system thereof.This temperature control system includes the first control unit, for air-out forming the heating unit of heating and for detecting the first temperature detecting unit of ambient temperature；Described first control unit is connected with described heating unit and the first temperature detecting unit respectively, is non-heated duty for controlling described heating unit when ambient temperature is higher than the first temperature threshold.When ambient temperature rises to more than the first temperature threshold, first control unit i.e. controls heating unit and does not heats air-out, that is, as long as ambient temperature is on the first temperature threshold, first control unit controls heating unit the most always and is maintained at non-heated duty, the wind being unheated exactly that so hand dryer is produced by boasting, it is possible to avoid bringing sense of discomfort to user；And said process is completely by automatically controlling realization, it is not required to user active operation, the most convenient, practical again.
Description
Technical field
The present invention relates to dry arm device technical field, specifically provide a kind of hand dryer and temperature control system thereof.
Background technology
Hand dryer is widely used in lavatory or toilet, the ambient temperature of the public places such as restaurant, hotel, commercial affairs office building
There is larger difference.Prior art is substantially increases one or more heating element heaters at interiors of products, improves warm braw temperature.Work as product
When product are in running order, blower fan blows out high speed winds, and heating element heater starts to heat air-out air-flow, while blower
Hand is carried out heating, drying.
But, when the external world uses ambient temperature too high, if the still hot blast of hand dryer blowout, user will be allowed to produce
Sense of discomfort, so now it is preferred that heating element heater quits work.And for how closing the heating function of product, existing product one
As be the mode taking to configure external switch, artificial close heating function after stop the work of heating element heater, although the most no longer
Blowout hot blast, but its operability is the most poor, because user is difficult to using impression to produce anticipation, namely before dry hands
Saying, the sense of discomfort produced during dry hands knows aftersensation after being all, only just can be appreciated that after discomfort having felt.If it addition,
Previous user is turned off when ambient temperature is higher, and later user is to re-use when ambient temperature is relatively low,
The cold wind of blowout causes discomfort can to again new user, in addition it is also necessary to switch switches to heating work state again.It addition, use
Person also easily causes the secondary pollution of hand by the opening and closing of touch manner control heating element heater.
From the foregoing, it will be observed that higher for ambient temperature, the hot blast of hand dryer blowout can bring the problem of discomfort, mesh to user
Mode practicality and the operability of front employing Non-follow control heating work state opening and closing are poor, and the most not yet go out in prior art
Other solutions existing.
Summary of the invention
(1) to solve the technical problem that
The present invention is to solve existing hand dryer cannot adjust the duty of heating unit automatically, thus cause at ring
Bring the technical problem of discomfort to the impression of user when border temperature changes.
(2) technical scheme
For solving above-mentioned technical problem, the invention provides a kind of hand dryer temperature control system, this system includes the first control
Unit, for the heating unit of air-out heating and for detecting the first temperature detecting unit of ambient temperature；Described first
Control unit is connected with described heating unit and the first temperature detecting unit respectively, for according to described first temperature detecting unit
The ambient temperature detected and design temperature threshold ratio compared with output control described in the duty of heating unit.
Preferably, this system also includes that temperature conditioning unit, described temperature conditioning unit are connected with described heating unit, for being in
The heating and temperature control of the heating unit under heating work state is in the range of design temperature.
Preferably, described temperature conditioning unit is temperature detect switch (TDS).
Preferably, described temperature conditioning unit includes the second temperature detecting unit for detecting air temperature and for controlling
Stating the second control unit of the heating-up temperature of heating unit, described second temperature detecting unit is with described second control unit even
Connect.
Preferably, described heating unit includes PTC thermistor, and described PTC thermistor is for heating air-out.
Preferably, described first control unit includes switch and controller；Described switch series is associated in described heating unit
In power path, described controller is for controlling the open and close of described switch.
Preferably, described first temperature detecting unit is arranged on the hand dryer side away from air outlet.
Preferably, described design temperature threshold value includes the first temperature threshold, and described first control unit is for described the
Control described heating unit when the ambient temperature that one temperature detecting unit detects is higher than described first temperature threshold and be in non-power
Hot working.
Preferably, the span of described first temperature threshold is 26-32 DEG C
Preferably, described design temperature threshold value includes the second temperature threshold, and described first control unit is for described the
Control described heating unit when the ambient temperature that one temperature detecting unit detects is less than described second temperature threshold and be in heating
Duty.
Preferably, described second temperature threshold is 10-24 DEG C.
Preferably, described design temperature threshold value includes the first temperature threshold and the second temperature threshold, and described first controls list
Unit adds described in controlling when the ambient temperature that described first temperature detecting unit detects is higher than described first temperature threshold
Hot cell is in non-heated duty the ambient temperature that detects at described first temperature detecting unit less than described second
Control described heating unit during temperature threshold and be in heating work state.
Present invention also offers a kind of hand dryer, this hand dryer includes hands insertion section, the side sidewall of described hands insertion section
It is provided with air outlet, it is characterised in that also include the hand dryer temperature control as above for controlling described air outlet temperature
System.
Present invention also offers a kind of hand dryer, this hand dryer includes hands insertion section, relative two of described hands insertion section
Side sidewall is provided with the first air outlet and the second air outlet respectively, it is characterised in that also include for controlling described first respectively
Air outlet and the hand dryer temperature control system as above of the second air outlet temperature.
(3) beneficial effect
A kind of hand dryer of present invention offer and temperature control system thereof, this system is according to the ambient temperature detected and setting temperature
Degree threshold ratio compared with the duty of output control heating unit, thus adaptive automatic adjustment adds when variation of ambient temperature
The duty of hot cell, thus avoid the temperature still blown out because of hand dryer and do not mate with ambient temperature and bring to user
Uncomfortable problem, and said process is completely by automatically controlling realization, is not required to user active operation, convenient and practical,
Can avoid causing secondary pollution.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the hand dryer temperature control system of the embodiment of the present invention.
Fig. 2 is the schematic diagram of the hand dryer of the embodiment of the present invention.
Reference:
1, the first control unit；2, heating unit；3, the first temperature detecting unit；4, temperature conditioning unit；41, the second temperature inspection
Survey unit；42, the second control unit；5, hands insertion section；51, air outlet.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " connects " and should do
Broadly understood, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be joined directly together,
Can also be indirectly connected to by intermediary.For the ordinary skill in the art, can understand above-mentioned with concrete condition
Term concrete meaning in the present invention.
Embodiment one
As it is shown in figure 1, the embodiment of the present invention provide a kind of hand dryer temperature control system, including the first control unit 1, for
Air-out is formed the heating unit 2 of heating and for detecting the first temperature detecting unit 3 of ambient temperature；First control unit
1 is connected with heating unit 2 and the first temperature detecting unit 3 respectively, and the first control unit 1 is real by the first temperature detecting unit 3
Time obtain ambient temperature information the ambient temperature that detects according to the first temperature detecting unit 3 with design temperature threshold ratio relatively
The duty of output control heating unit 2.
Concrete, gradually rising of ambient temperature can be as, the first control unit 1 controls the heating temperature of heating unit
Degree is gradually lowered；Along with being gradually lowered of ambient temperature, the first control unit 1 controls the heating-up temperature of heating unit and gradually carries
High.Certainly, to the control of heating unit 2 and be not limited to aforesaid way, if when variation of ambient temperature adaptive from
The dynamic duty adjusting heating unit, thus avoid the temperature still blown out because of hand dryer do not mate with ambient temperature and to making
User brings the problem of discomfort, and said process is completely by automatically controlling realization, is not required to user actively behaviour
Make, convenient and practical, can avoid causing secondary pollution problem because machinery touching controls.
Wherein, heating unit 2 preferably include PTC thermistor (Positive Temperature Coefficien, just
Temperature coefficient thermistor), by PTC thermistor, air-out is formed heating；PTC thermistor is that one has temperature sensitivity
Property semiconductor resistor, when exceeding certain temperature (Curie temperature), its resistance value along with temperature raise in step evolution
Increasing, say, that temperature is the highest, resistance value is the biggest；It follows that use PTC thermistor that air-out is heated, permissible
The phenomenon effectively preventing leaving air temp too high occurs, it is to avoid brings discomfort, and its simple in construction to user, easily realizes.
First temperature detecting unit 3 can be to experience temperature and be converted into the temperature sensor of usable output signal, should
First temperature detecting unit 3 is preferably provided at the hand dryer side away from air outlet 51, so can avoid air-out as far as possible
The hot blasts of mouth 51 blowout form interference to the detection of the first temperature detecting unit 3.
It addition, native system the most also includes temperature conditioning unit 4, this temperature conditioning unit 4 is connected with heating unit 2, for being in
The heating and temperature control of the heating unit 2 under heating work state is in the range of design temperature, and this design temperature scope can basis
Many experiments sets, and sets the comfortableness required as ensureing user impression while realizing improving dry hands efficiency.
Concrete, this temperature conditioning unit 4 arrange the second temperature detecting unit 41 included for detecting air temperature and for
Control the second control unit 42 of the heating-up temperature of heating unit 2；Second temperature detecting unit 41 and the second control unit 42 are even
Connecing, for giving the second control unit 42 by leaving air temp Real-time Feedback, the second control unit 42 is further according to the leaving air temp of feedback
And regulate the heating-up temperature of heating unit 2, thus leaving air temp is controlled in suitable scope；Wherein, the second control unit
42 and first control unit 1 can be integrated with in same control module, the two has different control logics, by difference
Decision condition control the running status of heater.
Temperature conditioning unit 4 can also directly use temperature detect switch (TDS), and this temperature detect switch (TDS) is arranged on air outlet 51 etc. can sense
To the region of leaving air temp, temperature detect switch (TDS) is according to the variations in temperature of working environment, in switch internal generation physical deformation, thus sends out
The raw action being switched on or off；It is to say, according to the feedback of leaving air temp, control heating unit 2 to open for intermittent
Open and close, be so possible not only to reach preferable leaving air temp, but also energy-conservation effect can be realized.
Embodiment two
A kind of hand dryer temperature control system that the embodiment of the present invention two provides, in the enforcement that any one of embodiment one is possible
On the basis of mode, also do following improvement:
As it is shown in figure 1, the design temperature threshold value in embodiment one includes the first temperature threshold, and the first control unit 1 exists
The ambient temperature that first temperature detecting unit detects is higher than controlling heating unit 2 during the first temperature threshold for non-heated work shape
State.This first temperature threshold is a decision threshold being written in advance in the first control unit 1, and the setting of actual temp value can
Determine based on human engineering test, it is also possible to arrange voluntarily according to user habit, such as, the first temperature threshold can be set to
26-32 DEG C, preferably 30 DEG C.
Said system operationally, when ambient temperature rises to more than the first temperature threshold, i.e. control by the first control unit 1
Air-out is not heated by heating unit 2 processed, say, that as long as ambient temperature is on the first temperature threshold, the first control
Unit 1 processed controls heating unit 2 the most always and is maintained at non-heated duty, and what such hand dryer was produced by boasting is not affected by adding exactly
The wind of heat, it is possible to avoid bringing sense of discomfort to user；And said process is completely by automatically controlling realization, is not required to make
User's active operation, the most convenient, practical again.
Embodiment three
A kind of hand dryer temperature control system that the embodiment of the present invention three provides, in any one of embodiment one or embodiment two
On the basis of possible embodiment, also do following improvement:
As it is shown in figure 1, design temperature threshold value includes that the second temperature threshold, the first control unit 1 are set in ambient temperature
It is in heating work state less than controlling heating unit 2 during the second temperature threshold.This second temperature threshold is also one and writes in advance
Entering the decision threshold in the first control unit 1, the determination of actual temp value can set based on human engineering test, it is also possible to
According to user's use habit sets itself, such as, the second temperature threshold can be set to 10-24 DEG C, preferably 12 DEG C.
Time below temperature the as little as second temperature threshold, if now hand dryer blowout be still cold wind, also can give user
Bringing sense of discomfort, therefore, as long as ambient temperature is in below the second temperature threshold, the first control unit 1 controls heating the most always
Unit 2 is maintained at heating work state, and what such hand dryer was produced by boasting is exactly the hot blast after heating, it is possible to avoid to making
User brings sense of discomfort；And this process is completely by automatically controlling realization, it is not required to user active operation, the most convenient, again
Practical.
Owing to the first temperature threshold and the second temperature threshold are all manually set by test, so, work as ambient temperature
When being between the first temperature threshold and the second temperature threshold, what hand dryer was produced by boasting is hot blast or cold wind, for user
Impression for be all indifferent.
First control unit 1 preferably includes switch and controller, and switch series is associated in the power path of described heating unit,
Switch is for controlling the go side of the power supply of heating unit 2；Controller is for controlling the open and close of switch, controller and the first temperature
Detector unit 3 connects, and switches off and in ambient temperature less than for controlling when ambient temperature is higher than the first temperature threshold
Switch Guan Bi is controlled during two design temperature threshold values.When the switches are opened, heating unit 2 will be in the duty not heated,
No longer by the control of temperature conditioning unit 4；When the switch is closed, heating unit 2 is opened, and heating-up temperature is by the control of temperature conditioning unit 4.
If the first preset temperature is set to 30 DEG C, the second temperature threshold be set to 12 DEG C, it is assumed that the change of ambient temperature in a day
Turn to 10 DEG C to 32 DEG C, then the work process of said system is:
Owing in night the previous day, ambient temperature is down to 10 DEG C by more than 12 DEG C, so switch is in closure state；And
In second day early morning, when ambient temperature can be risen to more than 12 DEG C by 10 DEG C, be between 12 DEG C to 30 DEG C, switch is failure to actuate,
The state still remained closed, so what during this, hand dryer produced by boasting is hot blast；Until after ambient temperature rises to more than 30 DEG C,
Switch just cuts out, and what after switch closedown, hand dryer was produced by boasting is the most no longer hot blast；When ambient temperature again by 32 DEG C be down to 30 DEG C with
Under, when being between 30 DEG C to 12 DEG C, switch is failure to actuate, and the state still remained open, so hand dryer is produced by boasting during this
Be still cold wind；Until ambient temperature is re-lowered to less than 12 DEG C, switch just can close again, hand dryer blowout hot blast；With
This back and forth runs.
From said process, when ambient temperature is between 12 DEG C to 30 DEG C, whether heating unit 2 works and depends on
Ambient temperature is uphill process or decline process.In other words, in one day, ambient temperature twice is between 12 DEG C and 30 DEG C
Changing, and in the two change procedure, heating unit 2 is all to have the time of half to be in closed mode, and by
In whether heating the most indifferent scope in the originally setting of this variation of ambient temperature scope, so also can't be made
User brings discomfort；So arrange and be advantageous in that, energy consumption can be greatly reduced.
Embodiment four
With reference to shown in Fig. 2, the present embodiment four provides a kind of hand dryer, and this hand dryer includes hands insertion section 5, hands insertion section
The side sidewall of 5 is provided with air outlet 51, also includes above-described embodiment one or the embodiment going out 51 air temperatures for controlling air outlet
Any one hand dryer temperature control system in two.
When the hands of user inserts in insertion section 5 in one's hands, by the air outlet 51 on the sidewall of side, hand is formed list
Side-blown stroke and be dried, and owing to this hand dryer has possessed above-mentioned hand dryer temperature control system, thus can when ambient temperature is higher from
Dynamic stop the heating to air-out, guarantee to open heating too low the making of ambient temperature, thus avoid and bring sense of discomfort to user.
Embodiment five
As in figure 2 it is shown, the present embodiment five provides a kind of hand dryer, this hand dryer includes hands insertion section 5, and described hands inserts
The both sides sidewall in portion 5 is equipped with air outlet 51, also includes for controlling the first air outlet and the second air outlet temperature respectively
Above-described embodiment one or embodiment two in any one hand dryer temperature control system.
When the hands of user inserts in insertion section 5 in one's hands, hand is formed double by the air outlet 51 on the sidewall of both sides
Side-blown stroke and be dried, and owing to this hand dryer has possessed above-mentioned hand dryer temperature control system, thus can when ambient temperature is higher from
Dynamic stop the heating to air-out, guarantee to open heating too low the making of ambient temperature, thus avoid and bring sense of discomfort to user.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and replacement, these improve and replace
Also should be regarded as protection scope of the present invention.
Claims (14)
1. a hand dryer temperature control system, it is characterised in that include the first control unit, for the heating unit that air-out is heated
And for detecting the first temperature detecting unit of ambient temperature；Described first control unit respectively with described heating unit and
One temperature detecting unit connects, for the ambient temperature and the design temperature threshold value that detect according to described first temperature detecting unit
Result of the comparison controls the duty of described heating unit.
Hand dryer temperature control system the most according to claim 1, it is characterised in that also include temperature conditioning unit, described temperature control list
First and described heating unit is connected, and the heating and temperature control of the heating unit for being under heating work state is setting temperature
In the range of degree.
Hand dryer temperature control system the most according to claim 2, it is characterised in that described temperature conditioning unit is temperature detect switch (TDS).
Hand dryer temperature control system the most according to claim 2, it is characterised in that described temperature conditioning unit includes for detecting
Second temperature detecting unit of air temperature and for controlling the second control unit of the heating-up temperature of described heating unit, described the
Two temperature detecting units are connected with described second control unit.
Hand dryer temperature control system the most according to claim 1, it is characterised in that described heating unit includes PTC temperature-sensitive electricity
Resistance, described PTC thermistor is for heating air-out.
Hand dryer temperature control system the most according to claim 1, it is characterised in that described first control unit include switch and
Controller；Described switch series is associated in the power path of described heating unit, and described controller is for controlling opening of described switch
With close.
Hand dryer temperature control system the most according to claim 1, it is characterised in that described first temperature detecting unit is arranged on
Hand dryer is away from the side of air outlet.
8. according to the hand dryer described in any one of claim 1 to 7, it is characterised in that described design temperature threshold value includes first
Temperature threshold, described first control unit for the ambient temperature that detects at described first temperature detecting unit higher than described the
Control described heating unit during one temperature threshold and be in non-heated duty.
Hand dryer temperature control system the most according to claim 8, it is characterised in that the value model of described first temperature threshold
Enclose for 26-32 DEG C.
10. according to the hand dryer described in any one of claim 1 to 7, it is characterised in that described design temperature threshold value includes second
Temperature threshold, described first control unit for the ambient temperature that detects at described first temperature detecting unit less than described the
Control described heating unit during two temperature thresholds and be in heating work state.
11. hand dryer temperature control systems according to claim 10, it is characterised in that described second temperature threshold is 10-24
℃。
12. according to the hand dryer temperature control system described in any one of claim 1 to 7, it is characterised in that described design temperature threshold value
Including the first temperature threshold and the second temperature threshold, described first control unit is in described first temperature detecting unit detection
To ambient temperature higher than described first temperature threshold time control described heating unit and be in non-heated duty and described
Control described heating unit when the ambient temperature that first temperature detecting unit detects is less than described second temperature threshold to be in and add
Hot working.
13. 1 kinds of hand dryers, including hands insertion section, the side sidewall of described hands insertion section is provided with air outlet, it is characterised in that also
Including the hand dryer temperature control system as described in any one of claim 1-12 for controlling described air outlet temperature.
14. 1 kinds of hand dryers, including hands insertion section, the relative both sides sidewall of described hands insertion section is provided with the first air-out respectively
Mouth and the second air outlet, it is characterised in that also include for controlling described first air outlet and the second air outlet temperature respectively
The hand dryer temperature control system as described in any one of claim 1-12 of degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509356.7A CN106073605A (en) | 2016-06-29 | 2016-06-29 | Hand dryer and temperature control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509356.7A CN106073605A (en) | 2016-06-29 | 2016-06-29 | Hand dryer and temperature control system thereof |
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| CN106073605A true CN106073605A (en) | 2016-11-09 |
Family
ID=57211666
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| CN201610509356.7A Pending CN106073605A (en) | 2016-06-29 | 2016-06-29 | Hand dryer and temperature control system thereof |
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Cited By (1)
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| CN114098496A (en) * | 2020-06-29 | 2022-03-01 | 丰田自动车株式会社 | Drying system, information processing device, and non-transitory storage medium |
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Application publication date: 20161109 |