CN1264561A - Hand blower with retractable power-line - Google Patents
Hand blower with retractable power-line Download PDFInfo
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- CN1264561A CN1264561A CN 99100824 CN99100824A CN1264561A CN 1264561 A CN1264561 A CN 1264561A CN 99100824 CN99100824 CN 99100824 CN 99100824 A CN99100824 A CN 99100824A CN 1264561 A CN1264561 A CN 1264561A
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- hair
- dryer
- power line
- cylindrical shell
- spool
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Abstract
A hand-held hair drier with drawn-back power cord has a reel positioned between the inlet and outlet of air drier for drawing back the power cord. Its central plane is basically perpendicular to the axis of cylindrical body. It also has a controller to prevent the airflow channel between inlet and outlet from being blocked by power cord and in turn the over-heat. When the induction unit of controller found out that the temp. of power cord wound on reel is higher than extreme value, the controller can cut off the power supply of hair drier. It also has a hand sensor for cutting off the power supply when the hair drier is not used and an ionizing device to reduce the attraction of dried hair to dust.
Description
The present invention relates to hand blower, particularly relate to hand blower with built-in retractable power-line spool.
Hand blower may be at present known to one of the most widely used a kind of electrical equipment, they can be found in each family of developed country.Because hair-dryer need consume the higher power up to 1-2KW, hair-dryer has a flexible power conductor that is used to be connected to the main power source feeding mechanism usually.And need long power line in order to make hair-dryer have bigger mobility, so that on distance main power source output device larger distance, can use hair-dryer, but, if the length without any the power line that limits is long, as everyone knows, such power line then is easy to be touched by child, has therefore constituted a kind of potential dangerous matter sources of family.
And well-known, near the power line the power line storage device is easy to be wound on together, and therefore, the sub power source line that very difficult handle is wound on together leaves.When the application of the electronic installation with power line constantly increased, it was very bothersome that this power line is reeled, and in the development of novel electron device, this problem is the problem that designer institute must consideration.
In order to eliminate the problems referred to above, a built-in power supply line storage device need be provided on hair-dryer, thereby, particularly when not using hair-dryer, limit and be stored in the hair-dryer the power line of unnecessary length.In addition, required power line storage device preferably can controllably discharge the power line of storage, thereby can discharge power cord with needed length, and remaining power line is retained in the hair-dryer.
In the prior art, provided hand blower with retractable power-line memory device.License to the United States Patent (USP) 4,528,440 and 5,784 of Ishihara and Santhouse etc. respectively, 800 disclosed portable hair dryers with retractable power-line storage device are to represent preferably.
The power line storage device that provides one laterally to install is provided for the former, and this causes lacking symmetry along vertical plane.Lacking symmetry causes hair-dryer to have two aspects (two-fold) shortcoming: the user must hold hair-dryer tightly vertically, to prevent that hair-dryer from tilting, for being fit to different users, need provide left hand user version and two versions of right hand user version.
The latter is characterised in that in dryer housing, settles a power line storage spool coaxial with elongated shell portion.The major defect of the latter's design is that a plurality of clumsy passages need be set in the side of hair-dryer, venting channels of the prior art can provide another alternative gas channel when being stopped up by the power line that loads on the power line spool, and conventional venting channels is arranged between the passage and shell portion outlet of hair-dryer rear end usually.The existence of this additional passage means that water droplet is easy to enter hair-dryer, causes fault.
Because hair-dryer of the prior art has an electric coil heater that opens and closes by trigger switch usually, so the subject matter that has child's family to consider is the problem of potential fire, because child may be once in a while or is deliberately opened hair-dryer and allow hair-dryer be in open mode always, when the power line of whole length all is stored on the power line storage spool in the shell portion and is extrahazardous when having stopped up gas channel.
In addition, for a more useful electronic installation, the problem that the hair of the drying that the another one shortcoming of the hair-dryer of the prior art that the designer was concerned about of hair-dryer is blown adsorbs dust easily are provided for the public.
An object of the present invention is to provide an improved hair-dryer with built-in power line storage device, storage device wherein is in use basically with respect to the vertical plane symmetry, thereby needn't clumsy passage be set so that the secondary air passage to be provided in the side for preventing that hair-dryer is overheated.Another object of the present invention provides one and has the hair-dryer of eliminating the fire hazard device, has a mind to when not using the state of hair-dryer or may cause the generation of this fire when being not intended to make that hair-dryer is in open mode.The 3rd purpose of the present invention is to eliminate the problem that the dry hair that blown by hair-dryer in the prior art adsorbs dust easily.Minimum purpose of the present invention is to provide a useful selection for the public.
Therefore, the invention provides a kind of portable hair dryer, this portable hair dryer comprises a main casing with one section flexible power conductor, and this main casing comprises a shell portion and one handle part.The fan that the neither one motor drives in cylindrical shell and a power line storage spool.Cylindrical shell has an air outlet that is arranged on the hole of rear end and is arranged on front end at least; By being arranged on the hole of rear end, extraneous air can enter described cylindrical shell; By being arranged on the air outlet of front end, air can leave described cylindrical shell.The power line spool is arranged on the middle part of described front end and described rear end, and its central plane is substantially perpendicular to the axis of described cylindrical shell.Hair-dryer has the control device that quantity that a basis is loaded in the power line on the described power line spool is operated, after the length at the power line on the described power line spool surpassed certain quantity, this device can cut off at least a portion power supply supply of hair-dryer.
As preferential a kind of selection, the control device of above-mentioned hair-dryer comprises an induction installation and a switching device, thereby described induction installation is used to detect the quantity that is loaded in the power line on the described power line spool sends corresponding signal, described switching device receives the above-mentioned corresponding signal that above-mentioned induction installation sends, when corresponding signal reaches a predetermined threshold values, cut off the power supply supply of the part of described hair-dryer at least.
As described in the most preferred embodiment, induction installation preferably include a RF transmitter and receiver right, described a pair of transmitter and receiver interknit, along the direction setting of radially passing described power line spool, do institute fully during shutoff when getting in touch by described power line between above-mentioned transmitter and the receiver, described receiver is used to cut off the power supply supply of described hair-dryer.
As preferential a kind of selection, this hair-dryer also comprises a hand sensor, is used to detect the existence of the hand on handle portion, wherein, when hair-dryer was in mode of operation and does not detect in one's hands the existence on handle, the corresponding signal of described hand sensor emission was used to close described hair-dryer.
In order to overcome the problem of the dry hair absorption dust that is blown, be preferably hair-dryer an ionization device is provided, this device is used for ionization hair ambient air to be dried and is trapped in described dry hair electric charge on every side with neutralization, thereby reduces the attraction to dust.
According to a second aspect of the invention, a kind of portable hair dryer is provided, this portable hair dryer comprises a main casing with one section flexible power conductor, and main casing comprises shell portion and handle portion, is provided with fan and a power line storage spool that a motor drives in cylindrical shell.Cylindrical shell has at least one hole that is arranged on the rear end and is arranged on the air outlet of front end; By being arranged on the hole of rear end, extraneous air can enter described cylindrical shell; By being arranged on the air outlet of front end, air can leave described cylindrical shell.Be provided with a hand sensor on handle portion, be used to detect the existence of the hand on handle portion, wherein, when hair-dryer was in open state and does not detect in one's hands the existence on handle, described hand sensor sent corresponding signal, closes described hair-dryer.A most preferred embodiment of the present invention is described with reference to the accompanying drawings, in the accompanying drawing:
Fig. 1 is the longitudinal sectional view of a most preferred embodiment of the present invention;
Fig. 2 is a rearview embodiment illustrated in fig. 1;
Fig. 3 is a side view embodiment illustrated in fig. 1.
The most preferred embodiment of portable hair dryer 1 as shown in drawings.This hair-dryer 1 comprises a main casing 10, and this main casing 10 comprises a shell portion 20, handle portion 30, one section flexible power conductor 40 and main power switch 50.Shell portion 20 is essentially the cylinder bodily form, is provided with an air outlet 21 at the front end longitudinally of cylindrical shell 20, is provided with a plurality of holes 22 in the rear end longitudinally of cylindrical shell 20. Hole 21,22 extraneous airs by rear end and front end can enter and leave hair-dryer respectively.Formed a gas channel between two longitudinal ends in cylindrical shell 20.The diameter forward end direction of shell portion 20 is tapered better, therefore can be so that air is more concentrated before air leaves shell portion 20.
A heating element (not shown), a fan 24 and the power line storage spool 25 that motor 23 drives are installed in shell portion.Heating element is designed to be able to provide the air that selectively heats inner barrel, thereby can finalize the design better and dry hair quickly.The fan 24 that motor 23 drives causes extraneous air to enter cylindrical shell by the rear end air admission hole and forces the air of cylindrical shell 20 inside to leave cylindrical shell 20 by front end air outlet 21.Electric notor 23 preferably is parallel to the axis setting of cylindrical tube body portion, so as formed air flow usually along shell portion 20 vertically.
When not using hair-dryer or the length of idle power line when long, the interim storage power line 40 of power line storage device, thus reduce the length of the free power line that is exposed at the hair-dryer outside.This storage device is preferably the ratchet-type spool of an anti-reversing, and this spool comprises a gripping mechanism 26, only allows spool to rotate along the direction that release is loaded in the power line on the spool.Power line spool 25 is arranged on the rear end of shell portion 20 usually, and its central plane is substantially perpendicular to the axis (x-x ') of cylindrical shell, and keeps having the power line of hot melt characteristic away from heating element.
In addition, the power line spool preferably has a power line automatic retracting device, thereby therefore can collect the power line that discharges by touching a button 27.For example this can realize by a load on spring device (spring loading mechanism) is provided on power line spool 25, this load on spring device designs according to the theory of mechanics of routine, thereby can be so that in the process that discharges power line enough energy are stored in the load on spring device.When untiing the gripping mechanism 26 that is connected with described button 27, the energy of these storages is used to collect power line.Here must there be a gripping mechanism 26,, withdraws otherwise this gripping mechanism 26 prevents power line unless the user wants the withdrawal power line.Spring bias voltage ratchet device with the clamp that can untie is the exemplary that is suitable for a conventional mechanical design of this restoring device.
Because power line spool 25 is between two longitudinal ends 21,22 of cylindrical shell and be positioned at main casing 10, therefore the gas channel of inner barrel is narrowed down, when the length of the power line that loads on the power line spool 26 increases even can stop up this gas channel.Along with gas channel narrows down, unless thereby provide a secondary air passage that air is incorporated in the cylindrical shell 20, risk of overheating increases in the cylindrical shell.But, known have the secondary air passage hair-dryer have clumsy passage in the side of cylindrical shell, this will make water droplet can enter cylindrical shell, this is undesirable.
Stopping up gas channel for fear of the power line owing to storage causes risk of overheating and removes clumsy and unwanted passage, a control device is provided on hair-dryer, designs this control device and make the power supply supply that begins to produce cut-out hair-dryer when overheated or heating element when the power line of on the power line spool, assembling.This control device can comprise the induction installation and the switching device of separation.Induction installation comprises a sensor, sends corresponding signal thereby this sensor can detect the quantity that is loaded in the power line on the power line spool.The corresponding signal that sends when induction installation reaches when representing dangerous threshold values, the supply of can cutting off the electricity supply of this control device.
The induction installation of Shi Yonging comprises 29 pairs of a RF transmitter 28 and receivers in this embodiment, and they pass the power line spool and be provided with along diametric(al).This interknits infrared facility.When the power line on being stored in the power line spool enough stops up this to the contact between the transmitter-receiver, receiver will be launched a signal and give control module, thereby cut off the electricity supply supply, therefore avoided because gas channel stops up the overheated possibility that is caused.
In order further to improve the security of this hair-dryer, on handle portion, provide a hand sensor 31.The handle portion that detects hair-dryer when this sensor 31 does not contact with a staff and hair-dryer when being in open mode, and this sensor 31 will be launched a corresponding signal.Can realize by using an infrared ray sensor in the present embodiment.As everyone knows, by the infrared radiation that reference receives, this infrared ray sensor can effectively detect the existence of staff.When hair-dryer is in open mode and corresponding signal of this infrared ray sensor emission when not detecting the existing of staff.Certainly should be understood that, also can use the sensor of other type, for example resemble heat-sensitive sensor or voltage sensitive sensor and can be used for replacing infrared ray sensor.
In addition, machinery or other solution also can be combined into a unit with induction installation and switching device.For example, can use a switch, this switch can directly be encouraged by the power line that gathers certain level.
In order to overcome the problem of the dry hair absorption dust that is blown, an ionization device (60) is provided in the present embodiment, thereby this ionization device is by overcoming hair absorption dirt problems with hair electric charge on every side in the ionization ambient air, otherwise, because the static that produces in hair drying and carding process will make that electric charge is trapped on the hair.Ionization device is installed near the air outlet part of hair-dryer based on the ionization circuit design of routine.
Although the present invention is described with reference to the above embodiments, this can not think a kind of restriction to claim of the present invention scope required for protection.Complete specification comprises the content that the known content of those of ordinary skill in the art is equal to.Particularly, the present invention is with reference to having in use along the hair-dryer of vertical plane symmetry body shape and being described, should be understood that above-mentioned security features comprises that control device and hand sensor can be applied to the having the power line spool of other type and not along the hair-dryer of vertical plane symmetry.
Claims (6)
1. portable hair dryer, comprise a main casing that has one section flexible power conductor, described main casing comprises a shell portion and one handle part, in described cylindrical shell, be provided with fan and a power line storage spool that a motor drives, its middle cylinder body has at least one hole that is arranged on the rear end and an air outlet that is arranged on front end, extraneous air enters described cylindrical shell by the hole that is arranged on the rear end, air is by being arranged on the air outlet of front end, leave described cylindrical shell, the said power spool is arranged on the centre of described front end and described rear end, its central plane is substantially perpendicular to the axis of described cylindrical shell, it is characterized in that:
This hair-dryer has the control device that amount that a basis is contained in the power line on the described power line spool is operated, when the length of the power line on the power line spool surpassed a scheduled volume, this device can cut off the power supply supply of at least a portion of described hair-dryer.
2. hair-dryer according to claim 1, it is characterized in that described control device comprises an induction installation and a switching device, described induction installation detects and is loaded in the quantity of the power line on the described power line spool and sends corresponding signal, and described switching device receives the corresponding signal that described induction installation sends, when corresponding signal reaches predetermined threshold values, cut off the power supply supply of at least a portion of described hair-dryer.
3. hair-dryer according to claim 2, it is characterized in that described induction installation comprises that a RF transmitter and receiver are right, described a pair of transmitter and described receiver interknit, along radially passing the setting of described power line spool, when between described transmitter and the described receiver get in touch by the shutoff of described power line institute the time, described receiver cuts off the power supply supply of described hair-dryer.
4. hair-dryer according to claim 1, it is characterized in that, it also comprises a hand sensor, be used to survey the existence of the hand on handle portion, wherein, when hair-dryer was in open state and does not detect in one's hands the existence on handle, described hand sensor sent corresponding signal, closes described hair-dryer.
5. hair-dryer according to claim 1, it is characterized in that it also comprises an ionization device, wherein, described ionization device is used for ionization hair ambient air to be dried up and is trapped in described hair electric charge on every side with neutralization, thereby reduces its attraction to dust.
6. portable hair dryer, it comprises a main casing that has one section flexible power conductor, described main casing comprises a shell portion and one handle part, in cylindrical shell, be provided with fan and a power line storage spool that a motor drives, wherein said cylindrical shell has at least one hole that is arranged on the rear end and is arranged on the air outlet of front end, extraneous air enters described cylindrical shell by the hole that is arranged on the rear end, and air leaves described cylindrical shell by the air port that is arranged on front end, it is characterized in that:
On handle portion, be provided with on the other hand sensor, be used to survey the existence of the hand on handle portion, when hair-dryer is in open state and when not surveying in one's hands the existence on handle, described hand sensor sends corresponding signal, closes described hair-dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99100824 CN1264561A (en) | 1999-02-23 | 1999-02-23 | Hand blower with retractable power-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99100824 CN1264561A (en) | 1999-02-23 | 1999-02-23 | Hand blower with retractable power-line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1264561A true CN1264561A (en) | 2000-08-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99100824 Pending CN1264561A (en) | 1999-02-23 | 1999-02-23 | Hand blower with retractable power-line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1264561A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100405951C (en) * | 2000-09-15 | 2008-07-30 | 路易斯·佩雷斯 | Portable hair dryer |
| CN102549868A (en) * | 2009-12-28 | 2012-07-04 | 丰田自动车株式会社 | Wire housing apparatus, vehicle equipped with same, and power feeding device |
| CN106903195A (en) * | 2017-03-24 | 2017-06-30 | 慈溪市金悦电子有限公司 | Turn round disk machine |
| CN108354305A (en) * | 2018-03-07 | 2018-08-03 | 株式会社Dic | A kind of hairdressing apparatus |
| CN110353387A (en) * | 2019-08-21 | 2019-10-22 | 袁瑞锋 | A kind of safe hair dryer of clean type |
-
1999
- 1999-02-23 CN CN 99100824 patent/CN1264561A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100405951C (en) * | 2000-09-15 | 2008-07-30 | 路易斯·佩雷斯 | Portable hair dryer |
| CN102549868A (en) * | 2009-12-28 | 2012-07-04 | 丰田自动车株式会社 | Wire housing apparatus, vehicle equipped with same, and power feeding device |
| CN102549868B (en) * | 2009-12-28 | 2014-03-12 | 丰田自动车株式会社 | Wire housing apparatus, vehicle equipped with same, and power feeding device |
| CN106903195A (en) * | 2017-03-24 | 2017-06-30 | 慈溪市金悦电子有限公司 | Turn round disk machine |
| CN106903195B (en) * | 2017-03-24 | 2018-09-25 | 慈溪市金悦电子有限公司 | Turn round disk machine |
| CN108354305A (en) * | 2018-03-07 | 2018-08-03 | 株式会社Dic | A kind of hairdressing apparatus |
| CN110353387A (en) * | 2019-08-21 | 2019-10-22 | 袁瑞锋 | A kind of safe hair dryer of clean type |
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