CN101769557A - Warmer capable of being turned on and off and protected through touch machine body - Google Patents

Warmer capable of being turned on and off and protected through touch machine body Download PDF

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Publication number
CN101769557A
CN101769557A CN 201010118891 CN201010118891A CN101769557A CN 101769557 A CN101769557 A CN 101769557A CN 201010118891 CN201010118891 CN 201010118891 CN 201010118891 A CN201010118891 A CN 201010118891A CN 101769557 A CN101769557 A CN 101769557A
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China
Prior art keywords
resistance
diode
warmer
signal acquisition
module
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CN 201010118891
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Chinese (zh)
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CN101769557B (en
Inventor
刘鑫
张军
聂勇
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Midea Group Co Ltd
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Midea Group
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Abstract

The invention belongs to the field of heater control, and particularly relates to a heater which is turned on and off and protected by touching a machine body. Comprises a warmer main body, an electronic circuit unit (1), a metal object (3) arranged on the surface of the warmer main body and a heating and radiating device (2); the method is characterized in that: the electronic circuit unit (1) comprises a high-frequency pulse circuit module (6), an inductor signal acquisition module (5), a comparison control module (7) and a brake switch (8); the metal object (3) is connected with the inductor signal acquisition module (5); the high-frequency pulse circuit module (6) is connected with the inductor signal acquisition module (5); the inductor signal acquisition module (5) is connected with the brake switch (8) through the comparison control module (7), calculates the acquired electrical parameters and sends out signals to control the brake switch so as to achieve the functions of starting and protecting the touch machine body.

Description

A kind of warmer by touching the fuselage switching on and shutting down and protecting
Technical field
The present invention relates to warmer control field, particularly a kind of when human body or pet are pressed close to warmer, prevent that continuous high temperature gas from scalding human body or pet, by touch fuselage switching on and shutting down and the warmer protected.
Background technology
Existing warmer is about the scald defencive function of warm braw air outlet, when human body or pet near the warmer air outlet, may not scald after continuing for some time, even the hair of pet top is on fire together, causes unnecessary loss.Existing warmer is not also about touching the function of the fuselage switching on and shutting down except that the control area.
Summary of the invention
The objective of the invention is deficiency, design a kind of warmer, when human body or pet are pressed close to warmer, can prevent the high-temperature gas scald human body or the pet that continue by touching the fuselage switching on and shutting down and protecting at existing warmer.
The present invention includes following technical characterictic: a kind of warmer by touching the fuselage switching on and shutting down and protecting comprises warmer main body, electronic circuit cell, is arranged at the metal object of warmer main body fuselage surface and the heat abstractor that generates heat; Described electronic circuit cell comprises high-frequency impulse circuit module, inductor signal acquisition module, comparison control module and brake switch; Described metal object is connected with the inductor signal acquisition module; High-frequency impulse circuit module is connected with the inductor signal acquisition module; The inductor signal acquisition module is connected with brake switch by comparing control module, and described brake switch is connected with the heating heat abstractor.
Described metal object is arranged at the fuselage surface beyond the control area.
Described metal object is metal coating, metal guard or metal derby.
Described high-frequency impulse circuit module comprises resistance R 18, capacitor C C12 and level Four phase inverter U3; Described resistance R 18 and capacitor C C12 form charge, and cooperate level Four phase inverter U3 output high-frequency impulse group.
Described inductor signal acquisition module comprises by resistance R 41, resistance R 53, resistance R 47, capacitor C C7, diode D11, diode D17 and the interface CON1 that is connected with metal object; Described resistance R 41 is less than resistance R 53;
Diode D11 and resistance R 41 also connect, and the positive pole of diode D11 is connected with the output of high-frequency impulse circuit module; The negative pole of diode D11 is connected with interface CON1;
Diode D17 and resistance R 53 also connect, and the positive pole of diode D11 is connected with resistance R 47, and resistance R 47 other ends connect comparison control module and capacitor C C7 simultaneously, capacitor C C7 other end ground connection; The negative pole of diode D17 is connected with interface CON1.
The present invention compared with prior art; has the function that touches fuselage energy machine open/close and protect; because when the metal object of inductor (as people and pet) and warmer fuselage surface near the time; described inductor signal acquisition module is gathered its signal; high-frequency impulse circuit module is converted into electrical quantity with the signal of its collection; relatively control module is by relatively determining the opening and closing of brake switch, thus the function that realizes touching the fuselage switching on and shutting down and touch protection.
Description of drawings
Fig. 1 is the circuit module electrograph of electronic circuit cell of the present invention.
Fig. 2 is the circuit theory diagrams of embodiments of the invention 1.
Fig. 3 is the partial circuit diagram of embodiments of the invention 1.
Fig. 4 is the warmer structure explosive view of embodiments of the invention 1.
The specific embodiment
Below in conjunction with drawings and Examples the specific embodiment of the present invention is described further.
As shown in Figure 4, the present invention includes electronic circuit cell 1, heating heat abstractor 2, the set metal object 3 of warmer body fuselage surface, this metal object 3 is connected with electronic circuit cell 1 by induced signal line 3A.Metal object that the warmer fuselage is taken 3 in the present embodiment is the metal guard.Wherein electronic circuit cell 1 and heating heat abstractor 2 all are arranged in the warmer body fuselage.
The circuit module of electronic circuit cell 1 of the present invention as shown in Figure 1, electronic circuit cell 1 comprises: high-frequency impulse circuit module 6, inductor signal acquisition module 5, relatively control module 7 and brake switch 8.High-frequency impulse circuit module 6 is used to launch the high-frequency impulse that detects inductor; Inductor signal acquisition module 5 is used to gather inductor electrical quantity over the ground; Relatively control module 7 is used to calculate the electrical quantity of collection and sends signal controlling brake switch 8, and brake switch 8 quits work heating heat abstractor 2.Described metal object 3 is connected with inductor signal acquisition module 5; High-frequency impulse circuit module 6 is connected with inductor signal acquisition module 5; Inductor signal acquisition module 5 is connected with brake switch 8 by comparing control module 7, and described brake switch 8 is connected with heating heat abstractor 2.
The circuit theory diagrams of the embodiment of the invention 1 are (local visible Fig. 3) as shown in Figure 2, the charge that resistance R 18 and capacitor C C12 form, cooperate the level Four phase inverter of U3, formed a high frequency pulse generator, No. 8 electrical nodes have produced the high-frequency impulse group thus.
When not having inductor near the metal guard 3 of this example:
The high-frequency impulse group of No. 8 electrical node generations is when high level, and by diode D11 and resistance R 53 and 47 pairs of capacitor C C7 chargings of resistance R, the charging interval is: t1=(R53+R47) * CC7;
The high-frequency impulse group that No. 8 electrical nodes produce is when low level, and capacitor C C7 is by resistance R 47 and diode D17 and resistance R 41 discharges, and be discharge time: t2=(R41+R47) * CC7;
Be far smaller than resistance R 53 as long as resistance R 41 is set, charging interval t1 will be far longer than t2 discharge time so, and charging discharge slowly is fast, and capacitor C C7 is not fully filled electricity forever so, and the level of electrical node ADC1 just remains on low level so.
When the metal guard 3 of inductor, between inductor and metal guard 3, form a small simulated capacitance over the ground (being named CCO temporarily) near this example:
The high-frequency impulse group of No. 8 electrical node generations is when high level, and to simulated capacitance CCO charging over the ground, charging interval t1 can ignore by diode D11;
The high-frequency impulse group that No. 8 electrical nodes produce is when low level, and simulated capacitance CCO is by resistance R 41 discharges over the ground, and be discharge time: t2=R41 * CCO;
Charging interval t1 will be far smaller than t2 discharge time so, the fast discharge of charging is slow, simulated capacitance CCO will be in high level all the time so over the ground, this high level is by resistance R 53 and 47 pairs of capacitor C C7 chargings of resistance R, capacitor C C7 will keep high level, and the level of electrical node ADC1 has just remained on high level.
The variation of this high-low level that whether produces because of the existence of inductor of electrical node ADC1; for our judgement of single-chip microcomputer U2 provides information; single-chip microcomputer U2 sends instruction then; control closing and opening of brake switch; the opening and closing of brake switch control heating heat abstractor 2, thereby the function that realizes touching the fuselage switching on and shutting down and touch protection.
Other circuit of the present invention connect same as the prior art, no longer repeat.After adopting the present invention; when the metal object of inductor (as people and pet) and warmer fuselage surface near the time; the inductor signal acquisition module is gathered its signal; high-frequency impulse circuit module is converted into electrical quantity with the signal of its collection; relatively control module is by relatively determining the opening and closing of brake switch, thus the function that realizes touching the fuselage switching on and shutting down and touch protection.

Claims (5)

1. the warmer by touching the fuselage switching on and shutting down and protecting comprises warmer main body, electronic circuit cell (1), is arranged at the metal object (3) of warmer main body fuselage surface and the heat abstractor (2) that generates heat; It is characterized in that: described electronic circuit cell (1) comprises high-frequency impulse circuit module (6), inductor signal acquisition module (5), compares control module (7) and brake switch (8); Described metal object (3) is connected with inductor signal acquisition module (5); High-frequency impulse circuit module (6) is connected with inductor signal acquisition module (5); Inductor signal acquisition module (5) is connected with brake switch (8) by comparing control module (7), and described brake switch (8) is connected with heating heat abstractor (2).
2. the warmer by touching the fuselage switching on and shutting down and protecting according to claim 1 is characterized in that described metal object (3) is arranged at control area fuselage surface in addition.
3. according to claim 1 or 2 each described warmers, it is characterized in that described metal object (3) is metal coating, metal guard or metal derby by touching the fuselage switching on and shutting down and protecting.
4. the warmer by touching the fuselage switching on and shutting down and protecting according to claim 1 is characterized in that described high-frequency impulse circuit module (6) comprises resistance R 18, capacitor C C12 and level Four phase inverter U3; Described resistance R 18 and capacitor C C12 form charge, and cooperate level Four phase inverter U3 output high-frequency impulse group.
5. the warmer by touching the fuselage switching on and shutting down and protecting according to claim 1 is characterized in that described inductor signal acquisition module (5) comprises by resistance R 41, resistance R 53, resistance R 47, capacitor C C7, diode D11, diode D17 and the interface CON1 that is connected with metal object (3); Described resistance R 41 is less than resistance R 53;
Diode D11 and resistance R 41 also connect, and the positive pole of diode D11 is connected with the output of high-frequency impulse circuit module (6); The negative pole of diode D11 is connected with interface CON1;
Diode D17 and resistance R 53 also connect, and the positive pole of diode D11 is connected with resistance R 47, and resistance R 47 other ends connect comparison control module (7) and capacitor C C7 simultaneously, capacitor C C7 other end ground connection; The negative pole of diode D17 is connected with interface CON1.
CN2010101188912A 2010-02-26 2010-02-26 Warmer capable of being turned on and off and protected through touch machine body Active CN101769557B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101188912A CN101769557B (en) 2010-02-26 2010-02-26 Warmer capable of being turned on and off and protected through touch machine body

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Application Number Priority Date Filing Date Title
CN2010101188912A CN101769557B (en) 2010-02-26 2010-02-26 Warmer capable of being turned on and off and protected through touch machine body

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CN101769557A true CN101769557A (en) 2010-07-07
CN101769557B CN101769557B (en) 2012-05-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017012094A1 (en) * 2015-07-22 2017-01-26 友隆电器工业(深圳)有限公司 Heating apparatus and control method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2033163U (en) * 1988-03-02 1989-02-22 徐国亮 Manual or automatic resetting multi-functional electricity-getting protecter
JPH0960900A (en) * 1995-08-18 1997-03-04 Philips Japan Ltd Oil heater with temperature sensor
CN201715608U (en) * 2010-02-26 2011-01-19 美的集团有限公司 Warmer capable of being turned on and off and protected through touch machine body

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2033163U (en) * 1988-03-02 1989-02-22 徐国亮 Manual or automatic resetting multi-functional electricity-getting protecter
JPH0960900A (en) * 1995-08-18 1997-03-04 Philips Japan Ltd Oil heater with temperature sensor
CN201715608U (en) * 2010-02-26 2011-01-19 美的集团有限公司 Warmer capable of being turned on and off and protected through touch machine body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017012094A1 (en) * 2015-07-22 2017-01-26 友隆电器工业(深圳)有限公司 Heating apparatus and control method thereof

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C56 Change in the name or address of the patentee

Owner name: MIDEA GROUP CO., LTD.

Free format text: FORMER NAME: MEIDI GROUP CO. LTD.

CP03 Change of name, title or address

Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28

Patentee after: MIDEA GROUP Co.,Ltd.

Address before: 528311, Shunde Foshan District, Guangdong province Beijiao Penglai road beauty industrial city

Patentee before: Midea Group

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20100707

Assignee: GD MIDEA ENVIRONMENT APPLIANCES MFG Co.,Ltd.

Assignor: MIDEA GROUP Co.,Ltd.

Contract record no.: 2013440000238

Denomination of invention: Heater which is switched on, shut down and protected by body touch

Granted publication date: 20120530

License type: Exclusive License

Record date: 20130522

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model