CN2508729Y

CN2508729Y - Head temperature regulator

Info

Publication number: CN2508729Y
Application number: CN 01274821
Authority: CN
Inventors: 张征宇; 朱旦
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-22
Filing date: 2001-11-22
Publication date: 2002-09-04
Anticipated expiration: 2011-11-22

Abstract

The utility model relates to a head temperature regulator which includes a semi-conductor temperature regulator, a pump and a head liquid cooling component. The semi-conductor temperature regulator consists of a semi-conductor cooling block, a heat radiating sheet, a cooling blower and a liquid cooler. As the heat radiating sheet of the semi-conductor cooling block adopts the cooling blower to achieve cooling, the head temperature cooling power is greatly improved; meanwhile, as the head liquid cooling component which has a cooling function is not provided with the semi-conductor cooling block or the heat radiating sheet, the head temperature regulator is light and comfortable for carrying.

Description

The head temperature actuator

This utility model relates to a kind of head temperature actuator, and particularly a kind of is the head temperature actuator of low-temperature receiver with the conductor refrigeration piece.

Be in the people that driving waits the high temperature post summer, and the patient who locates the state of having a fever, need more high-power cooling head.

China utility model patent CN 98 2 32645.9 has reported the refrigerant headring of a kind of conductor refrigeration.It adopts the arcual conductor refrigeration heap that is arranged in that adapts with nose shape to be low-temperature receiver, realizes the local cooling to head.Because this technology is arranged in arc with the conductor refrigeration heap, it is complicated to cause it to produce, and cost rises.There is the heat radiation power restriction of conductor refrigeration piece simultaneously, can not reaches more powerful head temperature and regulate requirement.

China's utility model patent 00 2602288 has reported that a kind of is the head temperature actuator of low-temperature receiver with the conductor refrigeration piece.Its technical scheme is: the heat that the radiating surface of conductor refrigeration piece is sticked on radiator is imported on the face, forms the conductor temperature regulon, and is installed on the headband ring.The operating current of conductor refrigeration piece is the pulsating current that is provided by pulse control circuit.The pulse length of the work pulsating current by adjusting described conductor refrigeration piece, and the interval between two subpulses can realize regulating head temperature and stimulate intermittently.Though this scheme has solved the thermoregulation problem and has realized thermal stimulus at interval, there is the heat radiation power restriction of conductor refrigeration piece, can not reach more powerful head temperature and regulate requirement.

It is a kind of simple in structure that the purpose of this utility model just is to provide, and more powerful head temperature actuator can be provided.

For achieving the above object, the utility model proposes a kind of head temperature actuator, it comprises the conductor temperature regulon, pump, head liquid cools parts.Described conductor temperature regulon is by the conductor refrigeration piece, fin, and cooling blower, liquid chiller is formed.Described fin is close to the radiating surface of described conductor refrigeration piece; Described cooling blower cools off described fin; Described liquid chiller is close to the refrigeration face of described conductor refrigeration piece; Described pump is sent the liquid that is cooled in the described liquid chiller into described head liquid cools parts, and makes it circulation.

For strengthening result of use, can increase temperature-control circuit, with the work of control aforesaid semiconductor refrigerating block, or control aforementioned pump work, realize regulating head temperature.

For strengthening result of use, can also increase the discontinuous operation current control circuit, with the work of control aforesaid semiconductor refrigerating block, or control aforementioned pump work, realize that attemperation stimulates intermittently.

Described temperature-control circuit is made up of astable multivibrator and on-off circuit, the input of the output termination on-off circuit of described astable multivibrator, the output termination aforesaid semiconductor refrigerating block of described on-off circuit, or aforementioned pump.Realize thermoregulation by regulating described astable multivibrator output duty of ratio.

Described discontinuous operation current control circuit is made up of astable multivibrator and on-off circuit, the input of the output termination on-off circuit of described astable multivibrator, the output termination aforesaid semiconductor refrigerating block of described on-off circuit, or aforementioned pump.By regulating the control at intermittence that described astable multivibrator output duty of ratio realizes operating current.

When temperature-control circuit and discontinuous operation current control circuit adopt simultaneously, then temperature-control circuit and discontinuous operation current control circuit by two independently astable multivibrator form, wherein, the astable multivibrator that frequency is high is done temperature control; The astable multivibrator that frequency is low is made the discontinuous operation Current Control; Described two independently outputs of astable multivibrator are worked by on-off circuit control aforesaid semiconductor refrigerating block with the relation of logical AND, or are controlled aforementioned pump work.Realize thermoregulation by regulating the high astable multivibrator output duty of ratio of described frequency; Intermittently regulate by regulating the low astable multivibrator output duty of ratio realization operating current of described frequency.

Adopt head temperature actuator of the present utility model,, make the head temperature cooling power to improve greatly because the fin of conductor refrigeration piece has adopted the cooling blower cooling; Simultaneously, there are not conductor refrigeration piece and fin owing to play the head liquid cools parts of cooling effect, thus in light weight, wear comfortable.

Below in conjunction with accompanying drawing, introduce a kind of embodiment of the present utility model in detail.

Fig. 1 is the population structure sketch map of a kind of embodiment head temperature actuator of the present utility model;

Fig. 2 is temperature and the discontinuous operation current control circuit of embodiment.

With reference to Fig. 1, the head temperature actuator is by conductor temperature regulon IV, pump 8, head liquid cools parts 1.Described conductor temperature is regulated single IV unit by conductor refrigeration piece 5, fin 6, and cooling blower 7, liquid chiller 4 is formed.Described fin 6 is close to the radiating surface of described conductor refrigeration piece 5; The described fin 6 of described cooling blower 7 coolings; Described liquid chiller 4 is close to the refrigeration face of described conductor refrigeration piece 5; Described pump 8 is sent into described head liquid cools parts 1 with the liquid that is cooled in the described liquid chiller 4 through pipeline 2, and makes it water channel 3 circulations through head liquid cools parts 1.

Head liquid cools parts 1 can adopt flexible material manufacturings such as flexible plastic or silica gel with pipeline 2; Head liquid cools parts 1 are is convenient to the arc that head is worn.Its lagging skin one side adopts thin-wall construction, as, thickness is beneficial to heat conduction less than 0.3 millimeter.For strengthening heat-conducting effect, also can simultaneously be bumped into sheet metal at the lagging skin, make sheet metal one side and contact skin, another side contacts with aforementioned refrigerative liquid.

During work, the heat of human body head is taken away by the cooling water in the water channel 3 of head liquid cools parts 1; When cooling water was flowed through liquid chiller 4 under the effect of pump 8, described heat was drawn by the refrigeration face of conductor refrigeration piece 5, and under the effect of your effect of handkerchief card, delivered to the radiating surface of conductor refrigeration piece 5; Described heat repeated transmission is gone into fin 6, and the air that the blower fan 7 that is cooled is then sent is brought atmosphere into.

Following with reference to Fig. 2, introduce the temperature of Fig. 1 embodiment and the formation and the operation principle of discontinuous operation current control circuit.

Temperature and discontinuous operation current control circuit are by astable multivibrator (I), and astable multivibrator (II) is formed with on-off circuit (III).Described astable multivibrator (I) is by 555 time-base integrated circuit IC1, resistance R 11, and R12, variable resistance RW1, switching diode D1, capacitor C 1 is formed.Described astable multivibrator (II) is by 555 time-base integrated circuit IC2, resistance R 21, and R22, variable resistance RW2, switching diode D2, capacitor C 2 is formed.

The charging circuit of described astable multivibrator (I) comprises fixed resistance R11, variable resistance RW1, switching diode D1.Described fixed resistance R11 one termination power DC positive pole, the stiff end of the described variable resistance RW1 of another termination, and the positive pole of the described switching diode D1 of adjusting termination of described variable resistance RW1 and the discharge end 7 of aforementioned time-base integrated circuit IC1, the negative pole of described switching diode D1 connects the charge and discharge capacitance C1 positive pole of aforementioned astable multivibrator (I); The discharge circuit of described astable multivibrator (I) comprises fixed resistance R12, variable resistance RW1.Described fixed resistance R12 one termination charge and discharge capacitance C1 positive pole, another stiff end of the described variable resistance RW2 of its another termination.

The charging circuit of described astable multivibrator (II) comprises fixed resistance R21, variable resistance RW2, switching diode D2.The outfan 3 of the aforementioned 555 time-base integrated circuit IC1 of described fixed resistance R21 one termination, the stiff end of the described variable resistance RW2 of another termination, and the positive pole of the described switching diode D2 of adjusting termination of described variable resistance RW2 and the discharge end 7 of aforementioned time-base integrated circuit IC2, the negative pole of described switching diode D2 connects the charge and discharge capacitance C2 positive pole of aforementioned astable multivibrator (II); The discharge circuit of described astable multivibrator (II) comprises fixed resistance R22, variable resistance RW2.Described fixed resistance R22 one termination charge and discharge capacitance C2 positive pole, another stiff end of the described variable resistance RW2 of its another termination.The outfan 3 of time-base integrated circuit IC is as the outfan of aforementioned temperature and discontinuous operation current control circuit.

Described on-off circuit (III) is by resistance R 3, the one-level amplification switch circuit that audion BG1 forms and by resistance R 4, and R5, the secondary amplification switch circuit that audion BG2 forms constitutes.One end of resistance R 3 is as the outfan 3 of the aforementioned time-base integrated circuit IC2 of input termination of described on-off circuit (III), the base stage of another termination audion BG1, the grounded emitter of audion BG1; The positive pole of one termination power DC of resistance R 4, the end of other end connecting resistance R5, and link to each other with the colelctor electrode of audion BG1; The base stage of another termination audion BG2 of resistance R 5; The grounded emitter of audion BG2; The colelctor electrode of audion BG2 is as the negative pole of the output termination aforesaid semiconductor refrigerating block 5 of described on-off circuit (III); Correspondingly, the positive pole of conductor refrigeration piece 5 connects the positive pole of power supply DC.

Regulate aforementioned potentiometer RW1, just can regulate discharging and recharging the time of aforementioned electric capacity C1, thereby regulate the length of the output positive pulse of time-base integrated circuit IC1 outfan 3; Regulate aforementioned potentiometer RW2, just can regulate discharging and recharging the time of aforementioned electric capacity C2, thereby regulate the length of the output positive pulse of time-base integrated circuit IC2 outfan 3.Simultaneously, because the charging circuit of astable multivibrator (II) is subjected to the control of time-base integrated circuit IC1 outfan 3, when having only astable multivibrator (I) output positive pulse, astable multivibrator (II) could vibrate.Otherwise astable multivibrator (II) is just exported high potential, makes audion BG1 conducting, so audion BG2 ends, conductor refrigeration piece 5 quits work.

Therefore, the length of time-base integrated circuit IC2 outfan 3 output positive pulses can determine the ratio of conductor refrigeration piece 5 current switchings, thereby regulates the refrigeration mean power, realizes thermoregulation; The length of time-base integrated circuit IC1 outfan 3 output positive pulses can determine the interval of conductor refrigeration piece 5 two ripple current impulses successively, and realization refrigeration is intermittently regulated.

Claims

1. head temperature actuator, it comprises conductor temperature regulon (IV), described conductor temperature regulon (IV) comprises conductor refrigeration piece (5), fin (6), cooling blower (7).Described fin (6) is close to the radiating surface of described conductor refrigeration piece (5); Described cooling blower (7) cools off described fin (6); It is characterized in that: it also comprises head liquid cools parts (1), pump (8), liquid chiller (4), described liquid chiller (4) is close to the refrigeration face of described conductor refrigeration piece (5), described pump is sent the liquid that is cooled in the described liquid chiller (4) into described head liquid cools parts (1), and makes it circulation.

2. head temperature actuator as claimed in claim 1, it is characterized in that: it can comprise temperature-control circuit, described temperature-control circuit is made up of astable multivibrator and on-off circuit, the input of the output termination on-off circuit of described astable multivibrator, the output termination aforesaid semiconductor refrigerating block (5) of described on-off circuit, or aforementioned pump (8), realize thermoregulation by regulating described astable multivibrator output duty of ratio.

3. head temperature actuator as claimed in claim 1, it is characterized in that: it can also comprise the discontinuous operation current control circuit, described discontinuous operation current control circuit is made up of astable multivibrator and on-off circuit, the input of the output termination on-off circuit of described astable multivibrator, the output termination aforesaid semiconductor refrigerating block (5) of described on-off circuit, or aforementioned pump (8), intermittently regulate by regulating described astable multivibrator output duty of ratio realization operating current.

4. head temperature actuator as claimed in claim 1, it is characterized in that: it can also comprise simultaneously when temperature-control circuit and discontinuous operation current control circuit, described temperature-control circuit and discontinuous operation current control circuit by two independently astable multivibrator form, wherein, the astable multivibrator that frequency is high (II) is done temperature control; The astable multivibrator that frequency is low (I) is made the discontinuous operation Current Control; Described two independently outputs of astable multivibrator are worked by on-off circuit (III) control aforesaid semiconductor refrigerating block (5) with the relation of logical AND, or control aforementioned pump 8 work.Realize thermoregulation by regulating the high astable multivibrator of described frequency (II) output duty of ratio; Intermittently regulate by regulating the low astable multivibrator of described frequency (I) output duty of ratio realization operating current.