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CN100565412C - An automatic temperature adjustment device - Google Patents

An automatic temperature adjustment device Download PDF

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Publication number
CN100565412C
CN100565412C CNB2006100620175A CN200610062017A CN100565412C CN 100565412 C CN100565412 C CN 100565412C CN B2006100620175 A CNB2006100620175 A CN B2006100620175A CN 200610062017 A CN200610062017 A CN 200610062017A CN 100565412 C CN100565412 C CN 100565412C
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CN
China
Prior art keywords
module
resistor
temperature adjustment
signal
diode
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Expired - Fee Related
Application number
CNB2006100620175A
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Chinese (zh)
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CN101118447A (en
Inventor
吴京泽
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Dongguan Jingyi Electronics Co Ltd
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Dongguan Jingyi Electronics Co Ltd
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Priority to CNB2006100620175A priority Critical patent/CN100565412C/en
Publication of CN101118447A publication Critical patent/CN101118447A/en
Application granted granted Critical
Publication of CN100565412C publication Critical patent/CN100565412C/en
Expired - Fee Related legal-status Critical Current
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  • Control Of Resistance Heating (AREA)

Abstract

The invention relates to an automatic temperature regulating device, which comprises a heating module, a temperature sensing module for outputting a temperature sensing signal, a temperature regulating module for receiving the temperature sensing signal from the temperature sensing module and outputting a regulating ratio signal value, an amplification module for amplifying the signal value received from a temperature regulating part, a trigger output module for disconnecting and providing an output trigger signal when the signal value passing through the amplification module is greater than a set temperature value, a silicon controlled thyristor and an output module which is zero-crossed with the signal value of the trigger output module; the automatic temperature adjusting device of the invention can overcome the defects of a phase control mode, prevent the danger of over voltage and short circuit, block electromagnetic waves and ensure the use safety.

Description

A kind of automatic temperature regulation device
Technical field
The present invention relates to a kind of automatic temperature regulation device, particularly can block the automatic temperature regulation device of electromagnetic wave and inhibition excess voltage.
Background technology
Generally speaking, the inside of bedding series products such as electric blanket comprises the heating module of the evolution of heat, also comprises the temperature control equipment of supplying with the heating module certain voltage.But voltage is not have in the special product of 220V that the excess temperature of preventing rises or the setting of short circuit, thereby influential to security performance.
The temperature control equipment of prior art is because of impact or other former thereby damage silicon controlled crystal brake pipe (Silicon-Controlled Rectifier of external voltage; When SCR) making its short circuit, the voltage that is input to hot line through the SCR half-wave rectification reaches 220V, thereby damages hot line or because of overheated human life accident or the fire failure of occurring.
The temperature control equipment of prior art belongs to the temperature mode that suppresses, and produces the high frequency noise because of having utilized position phase suppressor mode when suppressing, and other electronic original part is played negative effect, produces harmful electron waves.
Summary of the invention
The problem to be solved in the present invention is the above-mentioned defective of existing in prior technology, and a kind of automatic temperature regulation device is provided, and takes place to suppress tragic incident, and the harm when preventing short circuit also provides the blocking-up electromagnetic wave, overcomes a shortcoming of phase suppressor mode product.
The present invention realizes by adopting following technology:
Manufacture and design a kind of automatic temperature regulation device, comprise power module, heating module, especially also comprise the temperature sense module, from the temperature sense module receive the temperature sensor signal output regulation signal the adjustment module, amplify the amplification module of the signal value that receives from the adjustment module, when through the signal value of amplification module during greater than the temperature value set, disconnection provides the triggering output module of output trigger pip, and comprise a silicon controlled crystal brake pipe, also have zero output module that intersects with the signal value that triggers output module; Wherein, described adjustment module comprises triode, the resistance, resistance and the diode that are connected in series with transistor emitter, reach and two electric capacity that the resistance tie point is in parallel, also comprise the resistance, adjustable resistance and the diode that are connected in series with transistor collector, reach and resistance, adjustable resistance tie point parallel resistor.
Described heating module is made of first hot line and second hot line, cross connection mutually.
The silicon controlled crystal brake pipe of the described output module diode that is connected in series.
Described temperature sense module comprises the resistance that the end with first hot line of described heating module and second hot line is connected in series.
Described amplification module comprises two triodes among resistance and the darlington amplifier.
Described triggering processing module comprises diode, two resistance of connecting with diode cathode one end and electric capacity.
The silicon controlled crystal brake pipe positive pole of the described output module resistance that is connected in parallel.
Compared with prior art, the present invention has following advantage:
The present invention can suppress the generation of excess voltage noise, the danger when preventing short circuit, and the blocking-up electron waves solve a shortcoming of phase suppressor mode.
When temperature control equipment in the past causes SCR infringement short circuit because of the impact of external power source or other reason, through the half-wave rectification of SCR, the voltage that is input to hot line is all-wave (half-wave 110V, all-wave 220V), 2 times of voltages are input to hot line, thereby cause the human life accident or cause fire because of overheated.
But diode and SCR are connected in series among the present invention, and the voltage that does not have 220V in full when SCR damages short circuit is applied on the hot line.
Description of drawings
Fig. 1 is an automatic temperature regulation device process flow diagram of the present invention;
Fig. 2 is an automatic temperature regulation device circuit diagram of the present invention;
Fig. 3 is that automatic temperature regulation device hot line of the present invention is provided with synoptic diagram;
Fig. 4 is the voltage waveform view of automatic temperature regulation device circuit of the present invention.
Embodiment
Below in conjunction with drawings and Examples the present invention is done further detailed description.
As shown in Figure 1, automatic temperature regulation device of the present invention, comprise power module 10, heating module 20, also comprise temperature sense module 30, from temperature sense module 30 receive temperature sensor signals output regulate adjustment module 40, amplify the amplification module 50 of the signal value that receives from adjustment module 40 than signal value, when through the signal value of amplification module 50 during greater than the temperature value set, disconnection provides the triggering output module 60 of output trigger pip, and the output module 70 that comprises a silicon controlled crystal brake pipe.
As Fig. 2, shown in Figure 3, the hot line of described heating module 20 is intersected mutually with the 2nd hot line by the 1st hot line and is connected.The current opposite in direction that the 1st hot line and the 2nd hot line are flowed.And suppress leaking of electron waves.Adjust certain certain electric power of temperature consumption by regulating resistance.Regulate the resistance of hot line and adjust own required electric power.Described heating module is made of first hot line and second hot line, cross connection mutually.
The silicon controlled crystal brake pipe of the described output module diode that is connected in series.
Described temperature sense module comprises the resistance R 6 that the end with first hot line of heating module and second hot line is connected in series.
Described adjustment module comprises triode Q3, two resistance R 2, R3 and the diode D2 that are connected in series with triode Q3 emitter, reach and two capacitor C 1 that the resistance tie point is in parallel, also comprise the resistance R 7, adjustable resistance VR1 and the diode D3 that are connected in series with triode Q3 collector, reach and resistance R 7, adjustable resistance VR1 tie point parallel resistor R8.
Described amplification module comprises two triode Q1, Q2 among resistance R 9 and the darlington amplifier.
Described triggering processing module comprises diode D4, two resistance R 10, R11 and the capacitor C 2 that are connected with diode D4 negative pole one end.
The silicon controlled crystal brake pipe SCR1 negative pole of the described output module resistance R 12 that is connected in parallel.
As shown in Figure 2, the silicon controlled crystal brake pipe SCR1 and the diode D5 of described output module 70 are connected in series, and half-wave constant current voltage is input to hot line when the SCR1 short circuit.
As shown in Figure 2, described temperature sense module 30 comprises the resistance R 5 that the tie point of the 1st hot line of heating module 20 and the 2nd hot line is connected in series, the temperature sensor signal of induction heating module 20 output hot lines.
As shown in Figure 2, described adjustment module 40 receives the temperature sensor signal of temperature sense module 30, the signal value that output regulates.It comprises triode Q3, the resistance R 3, resistance R 2 and the diode D2 that are connected in series with triode Q3 emitter, reach and resistance R 3, resistance R 2 tie points capacitor C 1 in parallel, also comprise the resistance R 7, adjustable resistance VR1 and the diode D3 that are connected in series with transistor collector, and and electric R7, adjustable resistance VR1 tie point parallel resistor R8.
Temperature value by triode Q3 collection of letters side starts triode Q3, is input to adjustable resistance VR1 through resistance R 7.The voltage process diode D that resistance R 8 setting reference voltages are mixed up by adjustable resistance VR1) is input to amplification module 50.
From the signal value of adjustment module 40 output, by amplification module 50 amplification, trigger output module 60 through the signal value of amplification module 50 during greater than the temperature set and send trigger pip, the voltage of output module 70 is supplied with in blocking-up.
As shown in Figure 2, described amplification module 50 comprises triode Q1, the triode Q2 among resistance R 9 and the darlington amplifier.Trigger output module 60 and comprise diode D4, resistance R 10, resistance R 11 and the capacitor C 2 of connecting with diode D4 negative pole one end.Output module 70 has silicon controlled crystal brake pipe SCR1, and along with the signal value that triggers output module 60 changes, the silicon controlled crystal brake pipe SCR1 negative pole utmost point and resistance R 12 are connected in parallel.
Fig. 4 is the oscillogram that adjustment module 40 is regulated.
As shown in the figure, along with the adjusting waveform of temperature can increase or reduce 1 or several, regulate temperature automatically by the input value of temperature sense module 30.
The present invention suppresses the position to change waveform mutually as prior art, but the quantity of utilizing the opening ways that increases or reduce the position phase to reduce waveform is regulated the electric power amount that is input to hot line.
Reduce electron waves in this way, prevent that SCR's is overheated.
Facts have proved that the present invention can suppress the generation of excess voltage noise, the danger when preventing short circuit, the blocking-up electron waves solve a shortcoming of phase suppressor mode.
When temperature control equipment in the past causes SCR to damage short circuit because of the impact of external power source or other reason, the half-wave constant current of SCR, the voltage that is input to hot line are all-wave (half-wave 110V, all-wave 220V), 2 times of voltages are input to hot line, thereby cause the human life accident or cause fire because of overheated.
But diode and SCR are connected in series among the present invention, do not have the voltage of 220V when SCR damages short circuit, thereby have guaranteed safety.

Claims (7)

1、一种自动温度调节装置,包括电源模块、发热模块,其特征在于:还包括温度感应模块、从温度感应模块接收温度感应信号输出调节信号的温度调节模块、放大从温度调节模块接收的信号值的增幅模块、当经过增幅模块的信号值大于已设定的温度值时,断开提供输出触发信号的触发输出模块,以及包括一可控硅晶闸管,还有随触发输出模块的信号值而零相交的输出模块;1. An automatic temperature adjustment device, comprising a power supply module and a heating module, characterized in that: it also includes a temperature sensing module, a temperature adjustment module that receives a temperature sensing signal from the temperature sensing module and outputs an adjustment signal, and amplifies the signal received from the temperature adjustment module The value of the amplification module, when the signal value of the amplification module is greater than the set temperature value, the trigger output module that provides the output trigger signal is disconnected, and it includes a thyristor, and the signal value of the trigger output module changes. Zero-crossing output modules; 其中,所述温度调节模块包括三极管Q3,与三极管Q3发射极串联连接的电阻R3、电阻R2和二极管D2,及与电阻R3、电阻R2连接点并联的电容C1,还包括与三极管Q3集电极串联连接的电阻R7、可调电阻VR1和二极管D3,及与电阻R7、可调电阻VR1连接点并联的电阻R8。Wherein, the temperature adjustment module includes a transistor Q3, a resistor R3 connected in series with the emitter of the transistor Q3, a resistor R2 and a diode D2, and a capacitor C1 connected in parallel with the connection point of the resistor R3 and the resistor R2, and a capacitor C1 connected in series with the collector of the transistor Q3. Connected resistor R7, adjustable resistor VR1 and diode D3, and resistor R8 connected in parallel with the connection point of resistor R7 and adjustable resistor VR1. 2、根据权利要求1所述的一种自动温度调节装置,其特征在于:所述发热模块由第一热线和第二热线构成,相互交叉连接。2. The automatic temperature adjustment device according to claim 1, wherein the heating module is composed of a first heating wire and a second heating wire, which are cross-connected to each other. 3、根据权利要求1所述的一种自动温度调节装置,其特征在于:所述输出模块的可控硅晶闸管串联连接二极管D5。3. An automatic temperature adjustment device according to claim 1, characterized in that: the thyristor of the output module is connected in series with a diode D5. 4、根据权利要求1所述的一种自动温度调节装置,其特征在于:所述温度感应模块包括与所述发热模块的第一热线和第二热线的一端串联连接的一电阻R5。4. The automatic temperature adjustment device according to claim 1, wherein the temperature sensing module includes a resistor R5 connected in series with one end of the first heating line and the second heating line of the heating module. 5、根据权利要求1所述的一种自动温度调节装置,其特征在于:所述增幅模块包括电阻R9和达林顿放大器之中的三极管Q1、三极管Q2。5. An automatic temperature adjustment device according to claim 1, characterized in that: the amplifying module includes a resistor R9 and a transistor Q1 and a transistor Q2 in the Darlington amplifier. 6、根据权利要求1所述的一种自动温度调节装置,其特征在于:所述触发处理模块包括二极管D4,与二极管D4负极一端串联的电阻R10、电阻R11和电容C2。6. An automatic temperature adjustment device according to claim 1, wherein the trigger processing module includes a diode D4, a resistor R10, a resistor R11 and a capacitor C2 connected in series with the negative end of the diode D4. 7、根据权利要求1所述的一种自动温度调节装置,其特征在于:所述输出模块的可控硅晶闸管正极并联连接电阻R12。7. An automatic temperature adjustment device according to claim 1, characterized in that: the anode of the thyristor thyristor of the output module is connected in parallel with a resistor R12.
CNB2006100620175A 2006-08-04 2006-08-04 An automatic temperature adjustment device Expired - Fee Related CN100565412C (en)

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Application Number Priority Date Filing Date Title
CNB2006100620175A CN100565412C (en) 2006-08-04 2006-08-04 An automatic temperature adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100620175A CN100565412C (en) 2006-08-04 2006-08-04 An automatic temperature adjustment device

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CN101118447A CN101118447A (en) 2008-02-06
CN100565412C true CN100565412C (en) 2009-12-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101002582B1 (en) * 2008-09-27 2010-12-20 주식회사 오토닉스 Thermostat with Phase Control and Zero Cross Cycle Control

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN88200753U (en) * 1988-01-15 1988-09-21 李德恒 Safety electricity-saving thermostatic controller for electric heating blanket
CN2038696U (en) * 1988-11-02 1989-05-31 方勃 Resistance wire heater without electromagnetic field radiating pollution
CN2473657Y (en) * 2001-02-09 2002-01-23 张雨田 Multifunction temperature cotnrol switch for electric heating blanket
US6700767B1 (en) * 2000-01-11 2004-03-02 Taiwan Da-Long Industrial Co, Ltd. Temperature-based cooling fan controlling structure
CN1520634A (en) * 2001-06-25 2004-08-11 Thermal Distributed Darlington Amplifier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN88200753U (en) * 1988-01-15 1988-09-21 李德恒 Safety electricity-saving thermostatic controller for electric heating blanket
CN2038696U (en) * 1988-11-02 1989-05-31 方勃 Resistance wire heater without electromagnetic field radiating pollution
US6700767B1 (en) * 2000-01-11 2004-03-02 Taiwan Da-Long Industrial Co, Ltd. Temperature-based cooling fan controlling structure
CN2473657Y (en) * 2001-02-09 2002-01-23 张雨田 Multifunction temperature cotnrol switch for electric heating blanket
CN1520634A (en) * 2001-06-25 2004-08-11 Thermal Distributed Darlington Amplifier

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Granted publication date: 20091202

Termination date: 20120804