CN202126605U

CN202126605U - Practical, safe and excellent general control electric apparatus

Info

Publication number: CN202126605U
Application number: CN2011201533838U
Authority: CN
Inventors: 刘圣平
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-13
Filing date: 2011-05-13
Publication date: 2012-01-25
Anticipated expiration: 2021-05-13

Abstract

The utility model relates to a practical, safe and excellent general control electric apparatus. The output of a sensing or integrating circuit is connected with the inputs of a monitoring circuit and a master control circuit; the output of the master control circuit is connected with one input of a display circuit and the other input of the monitoring circuit; the output of the monitoring circuit is connected with the input of a driving execution switch circuit; two outputs of the driving execution switch driving circuit are respectively connected with the other input of the display circuit and the input of a limit arrangement circuit; the output of the limit arrangement circuit is connected with the other input of the master control circuit; and the driving execution switch driving circuit controls a load power supply. Therefore, the practical, safe and excellent general control electric apparatus can monitor and compulsively close the incontrollable output of the master control circuit when the master control circuit malfunctions, can display and ensure control effectively, and can ensure that the driving execution circuit works in a normal state and does not lose control in an abnormal state. The practical, safe and excellent general control electric apparatus can be applied to temperature, pressure, water level and timing electrical equipment, can improve the safety performance, and avoids fire disasters or pressure explosion accidents, so that the practical, safe and excellent general control electric apparatus has important practical values and wide applications.

Description

A kind of general controls electrical equipment of real peace produce effects

Technical field

The utility model relates to a kind of control apparatus; Relate in particular to a kind of crossing the border and protect monitoring by the output signal of protection supervisory circuit that cross the border to the negative feedback governor circuit that transfinites; Close the abnormal failure signal and show emergency protection control effectively, guarantee the general controls electrical equipment of certain safe produce effects of driving execution on-off circuit (when abnormal failure, also can close load power source) not out of control by falling end protection display circuit.Be applied in temperature, pressure, water level, timing controlled and all the dominated variable observing and controlling electrical equipment, can improve security performance, take place like major accidents such as fire or pressure blasts when avoiding the use of.Therefore, the utility model is of many uses in electronic application field such as small household appliances and the simple and easy observing and controlling of limiting the quantity of, timing controlled, security protections, and makes electric equipment products property/price ratio high.

Background technology

In order to examine the novelty of the utility model, the designer has consulted a large amount of correlation technique data (professional book, newpapers and periodicals), has retrieved the related patent U.S. Patent No. document.It is more all to have only discovery only to accomplish the circuit of master control (up and down ultra spacing control) function; Never find to adopt the described technical measures of the utility model, abnormal failure is monitored, governor circuit is monitored (protection control), prevented unusual correlation technique data out of control.

Summary of the invention

It is often out of control because of abnormal failure that the utility model mainly solves original position control and timing control circuit (general designation governor circuit) of transfiniting, and can not in time cut off electric, has the technical matters of hidden danger safe in utilization; A kind of emergency protection control function that has is provided, can monitors abnormal failure and in time cut off electric, guarantee that governor circuit is not out of control, avoid taking place major accident

(like fire or pressure blast) guaranteed real general controls electrical equipment of pacifying produce effects safe in utilization.

The utility model solve simultaneously original realization transfinite a control function circuit the I/O end, spacing short circuit technical matters out of control between out of control and each port of end open circuit is set; A kind of general controls electrical equipment that can comprehensively prevent the real peace produce effects that short circuit between out of control and each port of each port open is out of control is provided.

The utility model mainly is able to solve through following technical proposals to above-mentioned technical matters: the utility model comprises sensing or integrating circuit (1), driving execution on-off circuit (5), decompression voltage regulator (6), also comprising the negative feedback governor circuit that transfinites

(2), cross the border protection supervisory circuit (3), fall end protection display circuit (7), spacing up and down the general controls electrical equipment that circuit (8) constitutes real peace produce effects be set; The output of described sensing or integrating circuit (1) connects the input end (V of the negative feedback governor circuit (2) that transfinites _i) and cross the border and protect the input end (V of supervisory circuit (3) _i), the output terminal (V of the described negative feedback governor circuit (2) that transfinites _o) connect another input end of the protection supervisory circuit (3) of crossing the border and fall (7) input ends of end protection display circuit, the output terminal (V of the protection supervisory circuit (3) of crossing the border _c) connect the input end of driving execution on-off circuit (5), the output terminal (V of driving execution on-off circuit (5) _QC) connect another input end fall end protection display circuit (7), another output terminal (V of driving execution on-off circuit (5) _FC) connecting the spacing input end that circuit (8) are set up and down, the spacing up and down output terminal that circuit (8) is set connects another input end (V of the negative feedback governor circuit (2) that transfinites _m), sensing or integrating circuit (1) power supply, the output voltage V of decompression voltage regulator (6) are given in output voltage V+1 of decompression voltage regulator (6) _{+ 0}Give the transfinite negative feedback governor circuit (2) and protection supervisory circuit (3) power supply of crossing the border, driving execution on-off circuit (5) is supplied power by supply voltage V+2; The working power of the normally opened contact switch control load of driving execution on-off circuit (5) repeat circuit.

Described sensing circuit can be that temperature sensor or pressure transducer or liquid level sensor are the circuit that main part constitutes; Described integrating circuit is the resistance RC integrating circuit that charging constitutes to electric capacity; The described negative feedback governor circuit (2) that transfinites can be to be the circuit of main part formation with operational amplifier or voltage comparator; The described protection supervisory circuit (3) of crossing the border can be the circuit by operational amplifier or voltage comparator and voltage stabilizing diode (DW) formation; Described fall end protection display circuit (7) be by behind the resistance series connection LED again with clamper isolating diode D and the star-like parallelly connected circuit that constitutes of resistance, the spacing up and down circuit (8) that is provided with is by three its contacts of the star-like parallel connection of resistance and the spacing input end V that is provided with up and down _mThe circuit that links to each other and constitute; Driving execution on-off circuit (5) can be by a triode drive controlling relay or two or more triode tandem drive pilot relays, or by the output terminal string controlled relay of a triode and an operational amplifier, or by the output terminal of two operational amplifiers directly go here and there controlled relay, or be the circuit that main part constitutes by two analog switches series connection pilot relays; The working power of its repeat circuit control load; Described relay also can replace with electronic solid state, the input supply voltage V of described decompression voltage regulator (6) _{+ 2}Be higher than its output voltage V _{+ 1}And V _{+ 0}, its output terminal V _{+ 1}Voltage is higher than output terminal V again _{+ 0}Voltage.

When circuit operate as normal, sensing or integrating circuit (1) output signal potential (between upper and lower bound is spacing) in setting range changes, the output terminal (V of the protection supervisory circuit (3) of crossing the border _c) along with the normal high-low level of negative feedback governor circuit (2) circulation output that transfinites; Make driving execution on-off circuit (5) be in the normal circulation state of a control, and the protection supervisory circuit (3) of crossing the border is being monitored the negative feedback governor circuit (2) that transfinites at any time and whether is being in normal operating conditions.

When sensing or integrating circuit (1) take place that (falling) crosses circle, the end (like open sensor or charging capacitor short circuit) abnormal failure more; Its output signal potential fell the for sleeping in end circle (limit) that establish of voltage stabilizing diode (DW) for the protection supervisory circuit (3) of crossing the border; Make governor circuit output out-of-control signal again; And the protection supervisory circuit (3) of crossing the border is carried out logic to two input signal current potentials and is judged as after relatively out of controlly unusually, transfers the priority protection state of a control to by the garrison state, closing the out-of-control signal of the negative feedback governor circuit (2) that transfinites; The anti-out-of-control signal of the protection supervisory circuit (3) of crossing the border output; Driving execution on-off circuit (5) forces the cut-out load power source, guarantees to control safety, and effective by falling end protection display circuit (7) display abnormality fault and safety protection control.

When circuit itself was crossed circle, top (the unsettled or short circuit sensor of input and output side open circuit) fault, this circuit also had anti-effect out of control.Let supply voltage V _{+ 2}＞V _{+ 1}＞V _{+ 0}, described out of control and design in order to prevent, further improved the security of control.

In addition, can also let two element circuits (like Fig. 4, Fig. 5, circuit shown in Figure 6) work side by side, improve the reliability of control again greatly.

The beneficial effect of the utility model:

1. bear feedback governor circuit (2) output signal owing to adopt protection supervisory circuit (3) monitoring of crossing the border to transfinite, make supervisory circuit

(3) governor circuit (2) there is preferential control, when input signal is got over (falling) mistake circle, the end (open sensor or integrating circuit short circuit), can positive drive carries out on-off circuit (5) cut-out load power source; Show fault by falling end protection display circuit (7); Improved the security performance of control circuit, had important practical value, therefore; The utlity model has very strong comprehensively anti-ability out of control, performance is more superior, purposes is more extensive.

2. can prevent circuit I/O end comprehensively, spacingly be provided with between unsettled out of control, each port of end open circuit that short circuit is out of control, input signal is crossed out of control that circle, top (short circuit sensor) causes.

3. because circuit structure is simple, connections is ingenious, principle is novel, function is unique, highly versatile, ability flexible adaptation various control is required, brings great convenience to Application Design, and therefore, the utility model can make that the electronic system product cost is extremely low, property/price ratio is higher.

Description of drawings

Fig. 1 is the schematic block circuit diagram of the utility model.

Fig. 2 is the physical circuit schematic diagram of the utility model embodiment 1

Fig. 3 is the physical circuit schematic diagram of the utility model embodiment 2.

Fig. 4 is the physical circuit schematic diagram of the utility model embodiment 3.

Fig. 5 is the physical circuit schematic diagram of the utility model embodiment 4.

Fig. 6 is the physical circuit schematic diagram of the utility model embodiment 5.

Among Fig. 1: (1) is sensing or integrating circuit, (2) the negative feedback governor circuit that is to transfinite, (3) be the protection supervisory circuit of crossing the border, (5) be the driving execution on-off circuit, (6) be decompression voltage regulator, display circuit is protected for falling the end in (7), (8) be about the spacing circuit that is provided with.

Embodiment

Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.

The schematic block circuit diagram of embodiment 1 to 5, as shown in Figure 1, (1) is sensing or integrating circuit, and (2) are the negative feedback governor circuit that transfinites, and (3) are the protection supervisory circuit of crossing the border, and (5) are the driving execution on-off circuit, (6) are decompression voltage regulator,

(7) for falling end protection display circuit, (8) are the spacing circuit that is provided with up and down; The output of described sensing or integrating circuit (1) connects the input end (V of the negative feedback governor circuit (2) that transfinites _i) and cross the border and protect the input end (V of supervisory circuit (3) _i), the output terminal (V of the described negative feedback governor circuit (2) that transfinites _o) connect another input end of the protection supervisory circuit (3) of crossing the border and fall (7) input ends of end protection display circuit, another input end that falls end protection display circuit (7) connects the output terminal (V of driving execution on-off circuit (5) _QC), another output terminal (V of driving execution on-off circuit (5) _FC) connecting the spacing input end that circuit (8) are set up and down, the spacing up and down output terminal that circuit (8) is set connects another input end (V of the negative feedback governor circuit (2) that transfinites _m), the output terminal (V of the protection supervisory circuit (3) of crossing the border _c) connect the input end of driving execution on-off circuit (5), the output voltage V of decompression voltage regulator (6) _{+ 1}Give the power supply of sensing or integrating circuit (1), the output voltage V of decompression voltage regulator (6) _{+ 0}Give the transfinite negative feedback governor circuit (2) and protection supervisory circuit (3) power supply of crossing the border, driving execution on-off circuit (5) is supplied power by supply voltage V+2; The working power of the normally opened contact switch control load of driving execution on-off circuit (5) repeat circuit.

Embodiment 1:

The physical circuit schematic diagram of present embodiment; As shown in Figure 2; Sensing or integrating circuit (1) comprise thermistor NTC21 and resistance R 21 or resistance R p21 and capacitor C 21; The negative feedback governor circuit (2) that transfinites comprises integrated operational amplifier or voltage comparator A22; The protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A21 and voltage stabilizing diode DW22, and driving execution on-off circuit (5) comprises triode VT21, VT22, voltage stabilizing diode DW21, resistance R 211, R217, diode D23, relay J 2, and decompression voltage regulator (6) is existing custom circuit; Fall end protection display circuit (7) and comprise LED 21, diode D21, resistance R 212, R213, the spacing up and down circuit (8) that is provided with comprises resistance R 214, R215, R216.

Fig. 2 circuit connecting mode: the output voltage V of thermistor NTC21 one termination decompression voltage regulator (6) _{+ 1}End, other end connecting resistance R21, resistance R 21 other end ground connection (V _-), or the output voltage V of resistance R p21 one termination decompression voltage regulator (6) _{+ 1}End, another termination capacitor C 21 positive poles of resistance R p21, capacitor C 21 minus earth (V _-), its series connection dividing point is connected to the tie point (V of anti-phase (-) input end of positive (+) input end and operational amplifier or the voltage comparator A21 of operational amplifier or voltage comparator A22 _I21) on, positive (+) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW22 or voltage comparator A21, the anodal concatenation operation amplifier of voltage stabilizing diode DW22 or the output terminal (V of voltage comparator A22 _O21) and LED 21 negative poles, the LED 21 anodal resistance R 213 that connect, the other end connecting resistance R212 of resistance R 213 and diode D21 are anodal, the output terminal (V of diode D21 negative pole concatenation operation amplifier or voltage comparator A21 _C21) and the positive pole of voltage stabilizing diode DW21, another termination positive source voltage V of resistance R 212 _{+ 2}End; The negative pole of voltage stabilizing diode DW21 connects resistance R 211, R217, resistance R 211 another termination triode VT21 base stages, resistance R 217 another termination triode VT22 base stages; Triode VT22 emitter connects triode VT21 collector, and triode VT21 emitter meets positive source voltage V _{+ 2}End, triode VT22 collector connection relay J2 coil V _Q2End and diode D23 negative pole and resistance R 216, relay J 2 coil V _F2End connects diode D23 anodal and resistance R 215 and circuit ground end (power cathode V _-End); After being connected to a bit, resistance R 215 other ends and resistance R 214, R216 be connected to anti-phase (-) input end (V of operational amplifier or voltage comparator A22 again _M2), the cathode voltage V of resistance R 214 another termination decompression voltage regulator (6) outputs _{+ 0}End, the positive source voltage V of decompression voltage regulator (6) output _{+ 0}End also is that operational amplifier or voltage comparator A21, A22 provide working power.

Fig. 2 circuit working principle: at the beginning of circuit powered on, because of thermistor NTC21 is in the low temperature high-impedance state, or capacitor C 21 voltage were lower, and its dividing point makes the input end (V of operational amplifier or voltage comparator A21, A22 _I21) current potential is also lower, anti-phase (-) input end of less-than operation amplifier A22 (the spacing up and down end V that is provided with _M2) current potential, its output terminal (V _O21) output LOW voltage, give operational amplifier or voltage comparator A21 positive (+) input end pad planted agent circle's (limit) through voltage stabilizing diode DW22, this circle, end (limit) current potential is far below input end (V _I21) current potential, make operational amplifier or voltage comparator A21 output terminal (V _C21) the output electronegative potential; Make the pressure drop of diode D21 positive clamping less on the one hand; LED 21 is not luminous, spurs triode VT21, VT22 conducting through voltage stabilizing diode DW21 and resistance R 211, R217 on the other hand, makes relay J 2 coils get electric adhesive; Its normally opened contact is connected load power source, and load begins to heat up.While relay J 2 coil V _Q2Noble potential on the end makes the spacing end V that is provided with through anti-phase (-) the input end current potential of resistance R 216 feedback lifting operational amplifier A 22 _M2Spacingly change the upper limit into by lower limit.

Behind the power on circuitry certain hour, NTC21 rises with load temperature because of thermistor, and resistance diminishes, dividing point V _I21Current potential rises, or capacitor C 21 the two poles of the earth also can make dividing point V along with charging voltage rises in the integrating circuit _I21Current potential rises, and works as V _I21Current potential rises to greater than the spacing end V that is provided with _M2The upper limit current potential time, operational amplifier or voltage comparator A22 output terminal V _O21The output noble potential transmits through voltage stabilizing diode DW22, makes operational amplifier or voltage comparator A21 positive (+) input end current potential be higher than its anti-phase (-) input end (V _I21) current potential, output terminal (V _C21) the output noble potential, LED 21 is still not luminous on the one hand, and triode VT21, VT22 are ended, and relay J 2 coil blackouts discharge (back-emf is discharged by D23 and disappears), its V _Q2Electronegative potential on the end feeds back anti-phase (-) the input end current potential that drags down operational amplifier A 22 through resistance R 216, makes the spacing end V that is provided with _M2Spacingly change lower limit into by the upper limit; After relay J 2 coil blackouts discharged, its normally opened contact switch cut off load power source, and temperature descends, and thermistor NTC21 resistance becomes greatly gradually, input end V _I21Current potential descends gradually, as input end V _I21Current potential descends less than V _M2During current potential, output terminal V _O21, V _C21Intensifications of switching on again of output low level again, pulling triode VT21, all conductings of VT22, relay J 2 adhesives, load, next temperature control cyclic process of circuit entering.Between upper and lower bound, carry out in the normal circulation temperature control process; Or regularly; The protection supervisory circuit (operational amplifier or voltage comparator A21) of crossing the border is in the garrison state all the time, is monitoring the negative feedback governor circuit (operational amplifier or voltage comparator A22) that transfinites at any time and whether is being in normal operating conditions.

When sensing circuit (falling) takes place more when crossing circle, the end (being short-circuited like thermistor NTC21 open circuit or resistance R 21 short circuits or timing capacitor C21) fault, input end V _I21Potential pole is low, output terminal V _O21Also be electronegative potential, give operational amplifier or voltage comparator A21 positive (+) input end pad planted agent circle's (limit) through voltage stabilizing diode DW22, this circle, end (limit) current potential is a little more than input end (V _I21) current potential, make operational amplifier or voltage comparator A21 output terminal (V _C21) the output noble potential, triode VT21, VT22 are ended, force relay J 2 coil blackouts to discharge, its normally opened contact cuts off load power source, has reached the purpose that prevents that circuit system is out of control, has guaranteed security control.Relay J 2 coil V _Q2Electronegative potential on the end feeds back anti-phase (-) the input end current potential that drags down operational amplifier A 22 through resistance R 216, makes the spacing end V that is provided with _M2Spacingly change lower limit into by the upper limit.It is luminous to fall the middle LED 21 of end protection display circuit (7) simultaneously, shows that the protection supervisory circuit (operational amplifier or voltage comparator A21) of crossing the border is in the emergency protection state of a control.

When sensing circuit is crossed circle, top (thermistor NTC21 short circuit or resistance R 21 open circuits or timing capacitor C21 open a way) fault, input end V _I21Current potential is near V _{+ 1}Terminal voltage, output terminal (V _O21) current potential is also high, near power supply V _{+ 2}Terminal voltage makes operational amplifier or voltage comparator A21 positive (+) input end current potential be higher than its anti-phase (-) input end (V _I21) current potential, output terminal (V _C21) the output noble potential, triode VT21, VT22 are ended simultaneously, force relay J 2 outages to discharge, its normally opened contact cuts off load power source, reaches to prevent purpose out of control, has guaranteed security control.

When circuit generation input and output side itself was opened a way unsettled fault, this circuit also prevented effect out of control.

It is thus clear that present embodiment has comprehensively anti-ability out of control, is a kind of universal control circuit of certain safe produce effects.

Embodiment 2:

The physical circuit schematic diagram of present embodiment; As shown in Figure 3; Sensing or integrating circuit (1) comprise thermistor NTC31 and resistance R 31 or resistance R p31 and capacitor C 31; The negative feedback governor circuit (2) that transfinites comprises integrated operational amplifier or voltage comparator A31; The protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A32 and voltage stabilizing diode DW32, and driving execution on-off circuit (5) comprises triode VT31, VT32, voltage stabilizing diode DW31, resistance R 311, R317, diode D33, relay J 3, and decompression voltage regulator (6) is existing custom circuit; Fall end protection display circuit (7) and comprise LED 31, diode D31, resistance R 312, R313, the spacing up and down circuit (8) that is provided with comprises resistance R 314, R315, R316, diode D32.

Fig. 3 circuit connecting mode: the output voltage V of thermistor NTC31 one termination decompression voltage regulator (6) _{+ 1}End, other end connecting resistance R31, resistance R 31 other end ground connection (V _-), or the output voltage V of resistance R p31 one termination decompression voltage regulator (6) _{+ 1}End, another termination capacitor C 31 positive poles of resistance R p31, capacitor C 31 minus earth (V _-), its series connection dividing point is connected to the tie point (V of positive (+) input end of operational amplifier or voltage comparator A31, A32 _I31) on, anti-phase (-) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW32 or voltage comparator A32, the anodal concatenation operation amplifier of voltage stabilizing diode DW32 or the output terminal (V of voltage comparator A31 _O31) and resistance R 313, the other end sending and receiving optical diode LED31 negative pole of resistance R 313 and diode D31 negative pole, the LED 31 anodal resistance R 312 that connect, the anodal V of another termination supply voltage of resistance R 312 _{+ 2}End, the output terminal (V of anodal concatenation operation amplifier of diode D31 or voltage comparator A32 _C31) and the negative pole of voltage stabilizing diode DW31 and diode D32 anodal; The positive pole of voltage stabilizing diode DW31 connects resistance R 311, R317; Resistance R 311 another termination triode VT31 base stages, resistance R 317 another termination triode VT32 base stages, triode VT32 emitter connection circuit ground end (power cathode V _-End), triode VT32 collector connecting transistor VT31 emitter, triode VT31 collector connection relay J3 coil V _F3End and diode D33 are anodal, diode D33 negative pole and relay J 3 coil V _Q3End all meets the anodal V of supply voltage _{+ 2}End, resistance R 314, R315, R316 are star-like to be connected to anti-phase (-) input end (V of operational amplifier or voltage comparator A31 after being connected to a bit again _M3), another termination positive source V of resistance R 314 _{+ 0}Other end connection circuit ground end (the power cathode V of end, resistance R 315 _-End), resistance R 316 another terminating diode D32 negative poles, the output voltage V of decompression voltage regulator (6) _{+ 0}End also is that operational amplifier or voltage comparator A31, A32 provide working power.

Fig. 3 circuit working principle: at the beginning of circuit powered on, because of thermistor NTC31 is in the low temperature high-impedance state, or capacitor C 31 voltage were lower, and its dividing point makes the input end (V of operational amplifier or voltage comparator A31, A32 _I31) current potential is also lower, anti-phase (-) input end of less-than operation amplifier A31 (the spacing up and down end V that is provided with _M3) current potential, its output terminal (V _O31) output LOW voltage, give operational amplifier or voltage comparator A32 anti-phase (-) input end pad planted agent circle's (limit) through voltage stabilizing diode DW32, this circle, end (limit) current potential is far below input end (V _I31) current potential, make operational amplifier or voltage comparator A32 output terminal (V _C31) the output noble potential, anti-phase (-) the input end current potential through diode D32 and resistance R 316 feedback lifting operational amplifier A 31 makes the spacing end V that is provided with _M3Spacingly change the upper limit into by lower limit.Simultaneously, output terminal (V _C31) noble potential of output, on the one hand make the pressure drop of diode D31 positive clamping less, LED 31 is not luminous, through voltage stabilizing diode DW31 and resistance R 311, R317 promotion triode VT31, VT32 conducting, makes relay J on the other hand ₃Adhesive, its contact switch is connected load power source, and load begins to heat up.

Behind the power on circuitry certain hour, NTC31 rises with load temperature because of thermistor, and resistance diminishes, and makes input end (V _I31) current potential rises, or capacitor C 31 the two poles of the earth also can make input end (V along with charging voltage rises in the integrating circuit _I31) the current potential rising, as input current potential V _I31Rise to greater than the spacing end V that is provided with _M3The upper limit current potential time, operational amplifier or voltage comparator A31 output terminal V _O31The output noble potential transmits through voltage stabilizing diode DW32, makes operational amplifier or voltage comparator A31 anti-phase (-) input end current potential be higher than its positive (+) input end (V _I31) current potential, output terminal (V _C31) the output electronegative potential, feeding back anti-phase (-) the input end current potential that drags down operational amplifier A 31 through diode D32 and resistance R 316, LED 31 is still not luminous, simultaneously, makes the spacing end V that is provided with on the one hand _M3Spacingly change lower limit into by the upper limit; Triode VT31, VT32 are ended, and relay J 3 coil blackouts discharge (back-emf is discharged by D33 and disappears), after relay J 3 coil blackouts discharge; Its normally opened contact (switch) cuts off load power source; Temperature descends, and the NTC31 resistance becomes greatly gradually, input end (V _I31) current potential descends gradually, as input end (V _I31) current potential descends less than the spacing end (V that is provided with _M3) during current potential, output terminal V _O31Output low level, output terminal V _C31Export high level again, promote triode VT31, all conductings of VT32, relay J 3 adhesive again, load intensifications of switching on again, next temperature control cyclic process of circuit entering.Between upper and lower bound, carry out in the normal circulation temperature control process; Or regularly; The protection supervisory circuit (operational amplifier or voltage comparator A32) of crossing the border is in the garrison state all the time, is monitoring the negative feedback governor circuit (operational amplifier or voltage comparator A31) that transfinites at any time and whether is being in normal operating conditions.

When (falling) mistake circle, the end (like thermistor NTC31 open circuit or resistance R 31 short circuits or timing capacitor C31 short circuit) fault takes place to get in sensing circuit, input end V _I31Potential pole is low, output terminal V _O31Also be electronegative potential, give operational amplifier or voltage comparator A32 anti-phase (-) input end pad planted agent circle's (limit) through voltage stabilizing diode DW32, this circle, end (limit) current potential is a little more than input end (V _I31) current potential, make operational amplifier or voltage comparator A32 output terminal (V _C31) the output electronegative potential, triode VT31, VT32 end, and force relay J 3 coil blackouts to discharge, and its normally opened contact cuts off load power source, has reached the purpose that prevents that circuit system is out of control, has guaranteed security control.Output terminal (V _C31) electronegative potential of output, drag down anti-phase (-) the input end current potential of operational amplifier A 31 through diode D32 and resistance R 316 feedbacks, make spacing the setting hold V _M3Spacingly change lower limit into by the upper limit.As two output terminal V _O31And V _C31When all exporting electronegative potential, fall the end and protect the middle LED 31 of display circuit (7) luminous, show that the protection supervisory circuit (operational amplifier or voltage comparator A32) of crossing the border is in the emergency protection state of a control.

When sensing circuit is crossed circle, top (thermistor NTC31 short circuit or resistance R 31 open circuits or timing capacitor C31 open circuit) fault, input end V _I31Current potential is near V _{+ 1}Terminal voltage, output terminal (V _O31) current potential is also high, near power supply V _{+ 2}Terminal voltage makes operational amplifier or voltage comparator A32 anti-phase (-) input end current potential be higher than its positive (+) input end (V _I31) current potential, output terminal (V _C31) the output electronegative potential, triode VT31, VT32 are ended simultaneously, force relay J 3 outages to discharge, its normally opened contact cuts off load power source, reaches to prevent purpose out of control, has guaranteed security control.

Embodiment 3:

Present embodiment is made up of two element circuit complementations arranged side by side; Each element circuit theory diagram wherein; As shown in Figure 1, its physical circuit schematic diagram, as shown in Figure 4; Wherein 1. the sensing or the integrating circuit (1) of element circuit comprise thermistor NTC41 and resistance R 41 or resistance R p41 and capacitor C 41; The negative feedback governor circuit (2) that transfinites comprises integrated operational amplifier or voltage comparator A42, and the protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A41 and voltage stabilizing diode DW43, falls end protection display circuit (7) and comprises LED 41, diode D41, resistance R 412, R413; Wherein 2. the sensing or the integrating circuit (1) of element circuit comprise thermistor NTC42 and resistance R 42 or resistance R p42 and capacitor C 43; The negative feedback governor circuit (2) that transfinites comprises integrated operational amplifier or voltage comparator A43; The protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A44 and voltage stabilizing diode DW44, falls end protection display circuit (7) and comprises LED 42, diode D412, resistance R 422, R423; Two shared driving execution on-off circuits (5) of element circuit comprise triode VT41, VT42, voltage stabilizing diode DW41, DW42, resistance R 411, R421, diode D43, relay J 4; Decompression voltage regulator (6) is existing custom circuit, and the spacing up and down circuit (8) that is provided with comprises resistance R 414, R415, R416, diode D44.

Fig. 4 circuit connecting mode: the 1. voltage V of thermistor NTC41 one termination decompression voltage regulator (6) output in the element circuit _{+ 1}End, other end connecting resistance R41, resistance R 41 other end ground connection (V _-), or the voltage V of resistance R P41 one termination decompression voltage regulator (6) output _{+ 1}End, another termination capacitor C 41 positive poles of resistance R P41, capacitor C 41 minus earth (V _-), its series connection dividing point is connected to the tie point (V of anti-phase (-) input end of positive (+) input end and operational amplifier or the voltage comparator A41 of operational amplifier or voltage comparator A42 _I41) on; Positive (+) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW43 or voltage comparator A41, the anodal concatenation operation amplifier of voltage stabilizing diode DW42 or the output terminal (V of voltage comparator A42 _O41) and resistance R 413, the other end connecting resistance R412 of resistance R 413 and diode D41 negative pole, resistance R 412 other end sending and receiving optical diode LED41 negative poles, the LED 41 anodal anodal V of supply voltage that connect _{+ 2}End; The 2. voltage V of thermistor NTC42 one termination decompression voltage regulator (6) output in the element circuit _{+ 1}End, other end connecting resistance R42, resistance R 42 other end ground connection (V _-), or the voltage V of resistance R P42 one termination decompression voltage regulator (6) output _{+ 1}End, another termination capacitor C 42 positive poles of resistance R P42, capacitor C 42 minus earth (V _-), its series connection dividing point is connected to the tie point (V of positive (+) input end of operational amplifier or voltage comparator A43 and A44 _I42) on; Anti-phase (-) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW44 or voltage comparator A44, the anodal concatenation operation amplifier of voltage stabilizing diode DW44 or the output terminal (V of voltage comparator A43 _O42) and resistance R 423; The other end sending and receiving optical diode LED42 negative pole of resistance R 423; LED 44 anodal resistance R 422 and the diode D42 positive poles of connecting, diode D42 negative pole connects triode VT42 collector, the anodal V of resistance R 422 another termination supply voltages _{+ 2}End; The 1. 2. anodal concatenation operation amplifier of voltage stabilizing diode DW41 or the output terminal (V of voltage comparator A41 in the driving execution on-off circuit (5) of two units shareds _C41), the negative pole of voltage stabilizing diode DW41 connects resistance R 411, resistance R 411 another termination triode VT41 base stages, and triode VT41 emitter meets the anodal V of supply voltage _{+ 2}End, triode VT41 collector connection relay J4 coil V _Q4End and diode D43 negative pole and diode D41 are anodal, relay J 4 coil V _F4End connects diode D43 anodal and diode D42 negative pole and triode VT42 collector; Triode VT42 emitter connection circuit ground end (power cathode V-end); Triode VT41 base stage connecting resistance R421; Another termination voltage stabilizing diode DW42 of resistance R 412 is anodal, and voltage stabilizing diode DW42 negative pole meets the output terminal (V of operational amplifier or voltage comparator A44 _C42) and diode D44 positive pole; The shared spacing up and down middle diode D44 negative pole connecting resistance R416 of circuit (8) that is provided with, resistance R 416 other ends and resistance R 414, R415 are connected to a bit (V _M4) after be connected to two anti-phases (-) input end of operational amplifier or voltage comparator A42, A43, resistance R 415 other end connection circuit ground ends (power cathode V-end), resistance R 414 another termination supply voltages positive pole V again _{+ 2}End; The output voltage V of shared decompression voltage regulator (6) _{+ 0}End also provides power supply for operational amplifier or voltage comparator A41, A42, A43, A44.

Fig. 4 circuit working principle: at the beginning of circuit powered on, because of thermistor NTC41, NTC42 are in the low temperature high-impedance state, or capacitor C 41, C42 voltage were lower, and two dividing points make the input end (V of operational amplifier A 41, A42 and A43, A44 respectively _I41, V _I42) current potential is also lower, anti-phase (-) input end of less-than operation amplifier A42, A43 (the spacing up and down end V that is provided with _M4) current potential, two output terminal (V _O41, V _O42) all export electronegative potential, give operational amplifier A 41 positive (+) input end pads planted agent circle's (limit) through voltage stabilizing diode DW43, voltage stabilizing diode DW44 gives operational amplifier A 44 anti-phase (-) input end pads planted agent circle's (limit), and Qi Dijie (limit) current potential is far below input end (V _I41, V _I42) current potential, make operational amplifier A 41 output terminal (V _C41) the output electronegative potential, through voltage stabilizing diode DW41 and resistance R 411 pulling triode VT41 conductings, operational amplifier A 44 output terminal (V _C42) the output noble potential, promote triode VT42 conducting through voltage stabilizing diode DW42 and resistance R 421, make relay J 4 adhesives, its normally opened contact is connected load power source, and load begins to heat up.Simultaneously, relay J 4 coil V _Q4Noble potential on the end makes the pressure drop of diode D41 positive clamping less, and LED 41 is not luminous, relay J 4 coil V _F4Electronegative potential on the end makes the pressure drop of diode D42 positive clamping less, and LED 42 is not luminous, operational amplifier A 44 output terminal (V _C42) the output noble potential, anti-phase (-) the input end current potential through diode D42 and resistance R 416 feedback lifting operational amplifier A 42, A43 makes spacing the setting hold V _M4Spacingly change the upper limit into by lower limit.

Behind the power on circuitry certain hour, because of thermistor NTC41, NTC42 rise with load temperature, resistance diminishes, and two dividing points make the input end (V of operational amplifier A 41, A42 and A43, A44 respectively _I41And V _I42) current potential rises, or capacitor C 41, C42 the two poles of the earth also can make input end (V along with charging voltage rises in the integrating circuit _I41, V _I42) the current potential rising, work as V _I41, V _I42Current potential rises to greater than the spacing end V that is provided with _M4The upper limit current potential time, two output terminal V of operational amplifier A 42, A43 _O41, V _O42All export noble potential, transmit, make operational amplifier A 41 positive (+) input end current potentials be higher than its anti-phase (-) input end (V through voltage stabilizing diode DW43 _I41) current potential, output terminal (V _C41) the output noble potential, LED 41 is still not luminous on the one hand, and triode VT41 is ended; Transmit through voltage stabilizing diode DW44, make operational amplifier A 44 anti-phase (-) input end current potentials be higher than its positive (+) input end (V _I41) current potential, output terminal (V _C42) the output electronegative potential, feed back anti-phase (-) the input end current potential that drags down operational amplifier A 42, A43 through diode D44 and resistance R 416 on the one hand, make the spacing end V that is provided with _M4Spacingly change lower limit into by the upper limit; This moment, LED 42 was still not luminous, and triode VT42 is ended, and relay J 4 coil blackouts discharge (back-emf is discharged by D43 and disappears); Its normally opened contact (switch) cuts off load power source; Temperature descends, and thermistor NTC41, NTC42 resistance become greatly gradually, make V _I41, V _I42Current potential descends gradually, works as V _I41, V _I42Current potential descends less than V _M4During current potential, output terminal V _C41Output low level, V again _C42Export high level again, drive triode VT41, all conductings of VT42, relay J 4 adhesives, load intensifications of switching on again, next temperature control cyclic process of circuit entering.Between upper and lower bound, carry out in the normal circulation temperature control process; Or regularly; The protection supervisory circuit (operational amplifier A 41, A44) of crossing the border is in the garrison state all the time, is monitoring the negative feedback governor circuit (operational amplifier or voltage comparator A42, A43) that transfinites at any time and whether is being in normal operating conditions.

When (falling) mistake circle, the end (like thermistor NTC41, NTC42 open circuit or resistance R 41, R42 short circuit or timing capacitor C41, C42 short circuit) fault takes place to get in sensing circuit, input end (V _I41, V _I42) potential pole is low, output terminal V _O41, V _O42Also be electronegative potential, give operational amplifier A 41 positive (+) input end pads planted agent circle's (limit) through voltage stabilizing diode DW43, this circle, end (limit) current potential is a little more than input end (V _I41) current potential, make output terminal (V _C41) the output noble potential, triode VT41 is ended, LED 41 is luminous; Output terminal V _O42Electronegative potential, give operational amplifier A 44 anti-phase (-) input end pads planted agent circle's (limit) through voltage stabilizing diode DW44, this circle, end (limit) current potential is higher than its positive (+) input end (V _I41) current potential, output terminal (V _C42) the output electronegative potential, feed back anti-phase (-) the input end current potential that drags down operational amplifier A 42, A43 through diode D44 and resistance R 416 on the one hand, make the spacing end V that is provided with _M4Spacingly change lower limit into by the upper limit, this moment, LED 42 was luminous, and triode VT42 is ended; Force relay J 4 coil blackouts to discharge; Its normally opened contact cuts off load power source, has reached the purpose that prevents that circuit system is out of control, has guaranteed security control.Fall LED 41 in the end protection display circuit (7) simultaneously, LED42 is luminous, shows that the protection supervisory circuit (operational amplifier A 41, A44) of crossing the border is in the emergency protection state of a control.

When sensing circuit is crossed circle, top (thermistor NTC41, NTC42 short circuit or resistance R 41, R42 open circuit or timing capacitor C41, C42 open circuit) fault, input end V _I41, V _I42Current potential is near V _{+ 1}Terminal voltage, output terminal (V _O41, V _O42) current potential is also high, near power supply V _{+ 2}Terminal voltage makes operational amplifier A 41 positive (+) input end current potentials be higher than its anti-phase (-) input end (V _I41) current potential, output terminal (V _C41) the output noble potential, and operational amplifier A 44 anti-phase (-) input end current potentials are higher than its positive (+) input end (V _I41) current potential, output terminal (V _C42) the output electronegative potential, triode VT41, VT42 are ended simultaneously, force relay J 4 outages to discharge, its normally opened contact cuts off load power source, reaches to prevent purpose out of control, has guaranteed security control.

Embodiment 4:

Present embodiment is made up of two element circuit complementations arranged side by side; Each element circuit theory diagram wherein; As shown in Figure 1; Its physical circuit schematic diagram, as shown in Figure 5, wherein the 1. the negative feedback governor circuit (2) that transfinites of element circuit comprise integrated operational amplifier or voltage comparator A52; The protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A51 and voltage stabilizing diode DW53, falls end protection display circuit (7) and comprises LED 51, diode D51, resistance R 512, R513; Wherein the 2. the negative feedback governor circuit (2) that transfinites of element circuit comprise integrated operational amplifier or voltage comparator A53; The protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A54 and voltage stabilizing diode DW54, falls end protection display circuit (7) and comprises LED 52, diode D52, resistance R 522, R523; Two shared sensing or integrating circuit (1) of element circuit comprise thermistor NTC51 and resistance R 51 or resistance R P51 and electric capacity RP51; Shared driving execution on-off circuit (5) comprises relay J 5 and diode D53, diode D54, and shared decompression voltage regulator (6) is existing custom circuit, and the shared spacing circuit (8) that is provided with up and down comprises resistance R 514, R515, R516.

Fig. 5 circuit connecting mode: 1. anti-phase (-) input end of the negative pole concatenation operation amplifier A51 of voltage stabilizing diode DW53 in the element circuit, the output terminal (V of the anodal concatenation operation amplifier A52 of voltage stabilizing diode DW52 _O51) and resistance R 513, the other end connecting resistance R512 of resistance R 513 and diode D51 negative pole, diode D51 positive pole meets the output terminal (V of operational amplifier A 51 _C51), resistance R 512 other end sending and receiving optical diode LED51 negative poles, the LED 51 anodal anodal V of supply voltage that connect _{+ 2}End; 2. positive (+) input end of the negative pole concatenation operation amplifier A54 of voltage stabilizing diode DW54 in the element circuit, the output terminal (V of the anodal concatenation operation amplifier A53 of voltage stabilizing diode DW54 _O52) and LED 52 negative poles, the LED 54 anodal resistance R 523 that connect, the other end connecting resistance R522 of resistance R 523 and diode D52 are anodal, the output terminal (V of diode D52 negative pole concatenation operation amplifier or voltage comparator A54 _C52) and diode D54 negative pole, the anodal V of resistance R 522 another termination supply voltages _{+ 2}End; The 1. 2. voltage V of shared thermistor NTC51 one termination decompression voltage regulator (6) output of two element circuits _{+ 1}End, other end connecting resistance R51, resistance R 51 other end ground connection (V _-), or the voltage V of resistance R P51 one termination decompression voltage regulator (6) output _{+ 1}End, another termination capacitor C 51 positive poles of resistance R P51, capacitor C 51 minus earth (V _-), its series connection dividing point is connected to the tie point (V of anti-phase (-) input end of positive (+) input end and operational amplifier or the voltage comparator A54 of operational amplifier or voltage comparator A51, A52, A53 _I5) on; Relay J 5 coil V _Q5Output terminal (the V of end and operational amplifier or voltage comparator A51 direct with diode D53 negative pole _C51) be connected relay J 5 coil V with diode D51 positive pole _F5End directly is connected the output terminal (V of diode D54 negative pole concatenation operation amplifier or voltage comparator A54 with diode D53 is anodal with diode D54 positive pole _C52); Relay J 5 coil V _Q5End also connects resistance R 516, is connected to two anti-phases (-) input end V of operational amplifier or voltage comparator A52, A53 after resistance R 516 other ends and resistance R 514, R515 are connected to a bit again _M5, resistance R 515 other end connection circuit ground ends (power cathode V-end), the anodal V of resistance R 514 another termination supply voltages _{+ 0}End; The output voltage V of shared decompression voltage regulator (6) _{+ 0}End also provides power supply for operational amplifier or voltage comparator A51, A52, A53, A54;

Fig. 5 circuit working principle: at the beginning of circuit powered on, because of thermistor NTC51 is in the low temperature high-impedance state, or electric capacity RP51 voltage was lower, and its dividing point makes the input end (V of operational amplifier A 51, A52 and A53, A54 _I5) current potential is also lower, anti-phase (-) input end of less-than operation amplifier A52, A53 (the spacing up and down end V that is provided with _M5) current potential, two output terminal (V _O51, V _O52) all export electronegative potential, give operational amplifier A 51 anti-phase (-) input end pads planted agent circle's (limit) through voltage stabilizing diode DW53, voltage stabilizing diode DW54 gives operational amplifier A 54 positive (+) input end pads planted agent circle's (limit), and Qi Dijie (limit) current potential is far below input end (V _I5) current potential, make operational amplifier A 51 output terminal (V _C51) the output noble potential, operational amplifier A 54 output terminal (V _C52) the output electronegative potential, making relay J 5 coil electricity adhesives, its normally opened contact is connected load power source, and load begins to heat up.Simultaneously, because the pressure drop of diode D51 positive clamping is less, make LED 51 not luminous, the pressure drop of diode D52 positive clamping is less, makes LED 52 not luminous; In addition, operational amplifier A 51 output terminal (V _C51) the output noble potential, through anti-phase (-) the input end current potential of resistance R 516 feedback lifting operational amplifier A 52, A53, make the spacing end V that is provided with _M5Spacingly change the upper limit into by lower limit.

Behind the power on circuitry certain hour, NTC51 rises with load temperature because of thermistor, and resistance diminishes, and its dividing point makes the input end (V of operational amplifier A 51, A52 and A53, A54 _I5) current potential rises, or electric capacity RP51 the two poles of the earth also can make input end (V along with charging potential rises in the integrating circuit _I5) the current potential rising, work as V _I5Current potential rises to greater than the spacing end V that is provided with _M5The upper limit current potential time, two output terminal V of operational amplifier A 52, A53 _O51, V _O52All export noble potential.Output terminal V _O51The noble potential of output transmits through voltage stabilizing diode DW53, makes operational amplifier A 51 anti-phase (-) input end current potentials be higher than its positive (+) input end (V _I5) current potential, its output terminal (V _C51) the output electronegative potential, at this moment, LED 51 is still not luminous on the one hand, drags down anti-phase (-) the input end current potential of operational amplifier A 52, A53 on the other hand through resistance R 516 feedbacks, makes the spacing end V that is provided with _M5Spacingly change lower limit into by the upper limit; Output terminal V _O52The noble potential of output through the transmission of voltage stabilizing diode DW54, makes operational amplifier A 54 positive (+) input end current potentials be higher than its anti-phase (-) input end (V _I5) current potential, its output terminal (V _C52) the output noble potential; Make LED 52 still not luminous, also because diode D54 reverse isolation is dammed, relay J 5 coil blackouts discharge (back-emf is discharged by D53 and disappears); Its normally opened contact switch cuts off load power source; Temperature descends, and thermistor NTC51 resistance becomes greatly gradually, makes input end V _I5Current potential descends gradually, as input end V _I5Current potential descends less than V _M5During current potential, output terminal V _C51Export high level, output terminal V again _C52Output low level directly drives relay J 5 adhesives again, the load intensification of switching on again, and circuit gets into next temperature control cyclic process.Between upper and lower bound, carry out in the normal circulation temperature control process; Or regularly; The protection supervisory circuit (operational amplifier A 51, A54) of crossing the border is in the garrison state all the time, is monitoring the negative feedback governor circuit (operational amplifier or voltage comparator A52, A53) that transfinites at any time and whether is being in normal operating conditions.

When (falling) mistake circle, the end (like thermistor NTC51 open circuit or resistance R 51 short circuits or timing capacitor RP51 short circuit) fault takes place to get in sensing circuit, input end (V _I5) potential pole is low, output terminal V _O51, V _O52Also be electronegative potential, give operational amplifier A 51 anti-phase (-) input end pads planted agent circle's (limit) through voltage stabilizing diode DW53, this circle, end (limit) current potential is a little more than input end (V _I5) current potential, make output terminal (V _C51) also export electronegative potential, the spacing setting held V _M5Spacing is lower limit; Output terminal V _O52Electronegative potential, give operational amplifier A 54 positive (+) input end pads planted agent circle's (limit) through voltage stabilizing diode DW54, this circle, end (limit) current potential is higher than its anti-phase (-) input end (V _I5) current potential, output terminal (V _C52) the output noble potential, because diode D54 reverse isolation is dammed, force relay J 5 coil blackouts to discharge, its normally opened contact cuts off load power source, has reached the purpose that prevents that circuit system is out of control, has guaranteed security control.Fall LED 51 in the end protection display circuit (7) simultaneously, LED52 is luminous, shows that the protection supervisory circuit (operational amplifier A 51, A54) of crossing the border is in the emergency protection state of a control.

When sensing circuit is crossed circle, top (thermistor NTC51 short circuit or resistance R 51 open circuits or timing capacitor RP51 open circuit) fault, input end V _I5Current potential is near V _{+ 1}Terminal voltage, output terminal (V _O51, V _O52) current potential is also high, near power supply V _{+ 2}Terminal voltage makes operational amplifier A 51 anti-phase (-) input end current potentials be higher than its positive (+) input end (V _I5) current potential, output terminal (V _C51) the output noble potential, and operational amplifier A 54 positive (+) input end current potentials are higher than its anti-phase (-) input end (V _I5) current potential, output terminal (V _C52) the output noble potential, because diode D54 reverse isolation is dammed, force relay J 5 outages to discharge, its normally opened contact cuts off load power source, reaches to prevent purpose out of control, has guaranteed security control.

Embodiment 5:

Present embodiment is made up of two element circuit complementations arranged side by side, and wherein each element circuit theory diagram is as shown in Figure 1, and its physical circuit schematic diagram is as shown in Figure 6, and two input end parallel connections (and connecing) of two element circuits are in a total input end (V _I6), shared sensing or integrating circuit (1) comprise thermistor NTC61 and resistance R 61 or resistance R p61 and capacitor C 61, and resistance R 617, R618; The 1. the private negative feedback governor circuit (2) that transfinites of element circuit comprise integrated operational amplifier or voltage comparator A62; The protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A61 and voltage stabilizing diode DW63; Fall end protection display circuit (7) and comprise LED 61, diode D61, resistance R 612, R613; The 2. the private protection supervisory circuit (3) of crossing the border of element circuit comprise operational amplifier or voltage comparator A64 and voltage stabilizing diode DW64, fall the end and protect display circuit (7) to comprise LED 62, diode D62, resistance R 622, R623; The driving execution on-off circuit (5) of two units shareds comprises triode VT61, VT62, voltage stabilizing diode DW61, DW62, resistance R 611, R621, relay J 6 and diode D63; The spacing circuit (8) that is provided with up and down of two units shareds comprises resistance R 614, R615, R616, diode D64; The decompression voltage regulator of two units shareds (6) is existing custom circuit.

Fig. 6 circuit connecting mode: two input end parallel connections (and connecing) of two element circuits are in a total input end (V _I6), the voltage V of thermistor NTC61 one termination decompression voltage regulator (6) output _{+ 1}End, other end connecting resistance R61, resistance R 61 other end ground connection (V _-), or the voltage V of resistance R P61 one termination decompression voltage regulator (6) output _{+ 1}End, another termination capacitor C 61 positive poles of resistance R P61, capacitor C 61 minus earth (V _-), its series connection dividing point V _T6Connect resistance R 618, the common contact of positive (+) input end of anti-phase (-) input end of resistance R 618 other end concatenation operation amplifiers or voltage comparator A61 and operational amplifier or voltage comparator A62, A63, A64 (total input end V of two element circuits _I6) on, resistance R 617 just is serially connected with common contact (V _I6) with the voltage V of decompression voltage regulator (6) output _{+ 1}Between the end; Positive (+) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW63 or voltage comparator A61, the anodal concatenation operation amplifier of voltage stabilizing diode DW63 or the output terminal (V of voltage comparator A62 _O61) and resistance R 613, the other end connecting resistance R612 of resistance R 613 and diode D61 negative pole, resistance R 612 other end sending and receiving optical diode LED61 negative poles, the LED 61 anodal anodal V of supply voltage that connect _{+ 2}End; Anti-phase (-) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW64 or voltage comparator A64, the anodal concatenation operation amplifier of voltage stabilizing diode DW64 or the output terminal (V of voltage comparator A63 _O62) and resistance R 623, the other end sending and receiving optical diode LED62 negative pole of resistance R 623, LED 62 anodal resistance R 622 and the diode D62 positive poles of connecting, the anodal V of resistance R 622 another termination supply voltages _{+ 2}End; Output terminal (the V of operational amplifier or voltage comparator A61 _C61) connecting the positive pole of voltage stabilizing diode DW61, the negative pole of voltage stabilizing diode DW61 connects resistance R 611, resistance R 611 another termination triode VT61 base stages, triode VT61 emitter meets the anodal V of supply voltage _{+ 2}End, triode VT61 collector connection relay J6 coil V _Q6End and diode D63 negative pole and diode D61 are anodal, relay J 6 coil V _F6End connects diode D63 anodal and diode D62 negative pole and triode VT62 collector, triode VT62 emitter connection circuit ground end (power cathode V-end); Triode VT62 base stage connecting resistance R621, another termination voltage stabilizing diode DW62 of resistance R 612 is anodal, and voltage stabilizing diode DW62 negative pole meets the output terminal (V of operational amplifier or voltage comparator A64 _C62) and diode D64 anodal, diode D64 negative pole connecting resistance R616, resistance R 616 other ends and resistance R 614, R615 are connected to two anti-phases (-) input end V that is connected to operational amplifier or voltage comparator A62, A63 after any again _M6, resistance R 615 other end connection circuit ground ends (power cathode V-end), the anodal V of resistance R 614 another termination supply voltages _{+ 0}End; The voltage V of shared decompression voltage regulator (6) output _{+ 0}End also provides working power for operational amplifier or voltage comparator A61, A62, A63, A64.

Fig. 6 circuit working principle: at the beginning of circuit powered on, because of thermistor NTC61 is in the low temperature high-impedance state, or capacitor C 61 voltage were lower, its dividing point (V _T6) voltage is lower, through resistance R 618 liftings, the input that makes operational amplifier A 61, A62 and A63, A64 is contact (total input end V of two element circuits altogether _I6) on the input current potential also lower, anti-phase (-) input end of less-than operation amplifier A62, A63 (spacing up and down be provided with the end V _M6) current potential, two output terminal (V _O61, V _O62) all export electronegative potential, give operational amplifier A 61 positive (+) input end pads planted agent circle's (limit) through voltage stabilizing diode DW63, voltage stabilizing diode DW64 gives operational amplifier A 64 anti-phase (-) input end pads planted agent circle's (limit), and Qi Dijie (limit) current potential is far below total input end V _I6Current potential makes operational amplifier A 61 output terminal (V _C61) the output electronegative potential, through voltage stabilizing diode DW61 and resistance R 611 pulling triode VT61 conductings, and operational amplifier A 64 output terminal (V _C62) the output noble potential, promoting triode VT62 conducting through voltage stabilizing diode DW62 and resistance R 621, two triode conductings simultaneously make relay J 6 coils get electric adhesive, and its normally opened contact is connected load power source, and load begins to heat up.Simultaneously, relay J 6 coil V _Q6Noble potential on the end makes the pressure drop of diode D61 positive clamping less, and LED 61 is not luminous, relay J 6 coil V _F6Electronegative potential on the end makes the pressure drop of diode D62 positive clamping less, and LED 62 is not luminous, operational amplifier A 64 output terminal (V _C62) the output noble potential, through diode D64 and resistance R 616 feedbacks, anti-phase (-) the input end current potential of lifting operational amplifier A 62, A63 makes the spacing end V that is provided with _M6Spacingly change the upper limit into by lower limit.

Behind the power on circuitry certain hour, NTC61 rises with load temperature because of thermistor, and resistance diminishes, its dividing point (V _T6) the voltage rising, through resistance R 618 bed hedgehoppings, make the input of operational amplifier A 61, A62 and A63, A64 be total to contact (total input end V of two element circuits _I6) on the input current potential rise, or capacitor C 61, C62 the two poles of the earth also can make total input end (V along with charging voltage rises in the integrating circuit _I6) the current potential rising, as total input end (V _I6) current potential rise to greater than spacing be provided with the end V _M6The upper limit current potential time, two output terminal V of operational amplifier A 62, A63 _O61, V _O62All export noble potential, transmit, make operational amplifier A 61 positive (+) input end current potentials be higher than its anti-phase (-) input end (V through voltage stabilizing diode DW63 _I6) current potential, output terminal (V _C61) the output noble potential, LED 61 is still not luminous on the one hand, and triode VT61 is ended; Transmit through voltage stabilizing diode DW64, make operational amplifier A 64 anti-phase (-) input end current potentials be higher than its positive (+) input end (V _I6) current potential, output terminal (V _C62) the output electronegative potential, feed back anti-phase (-) the input end current potential that drags down operational amplifier A 62, A63 through diode D64 and resistance R 616 on the one hand, make the spacing end V that is provided with _M6Spacingly change lower limit into by the upper limit; This moment, LED 62 was still not luminous, and triode VT62 is ended, and relay J 6 coil blackouts discharge (back-emf is discharged by D63 and disappears); Its normally opened contact (switch) cuts off load power source; Temperature descends, and thermistor NTC61 resistance becomes greatly gradually, makes dividing point (V _T6) current potential descends gradually, as total input end (V _I6) current potential descends less than the spacing end V that is provided with _M6During the lower limit current potential, output terminal V _C61Output low level, V again _C62Export high level again, drive triode VT61, all conductings of VT62, relay J 6 adhesives, load intensifications of switching on again, next temperature control cyclic process of circuit entering.Between upper and lower bound, carry out in the normal circulation temperature control process; Or regularly; The protection supervisory circuit (operational amplifier A 61, A64) of crossing the border is in the garrison state all the time, is monitoring the negative feedback governor circuit (operational amplifier or voltage comparator A62, A63) that transfinites at any time and whether is being in normal operating conditions.

When if sensing or timing circuit take place that (falling) crosses circle, end abnormal failure (like thermistor NTC61 open circuit or resistance R 61, R62 short circuit or timing capacitor C61 short circuit) more, its dividing point (V _T6) voltage approaches circuit ground end V _-Current potential through resistance R 618 lifting slightly, makes the input of operational amplifier A 61, A62 and A63, A64 be total to contact (total input end V of two element circuits _I6) on the input current potential also extremely low, less-than operation amplifier A62, two output terminal (V of A63 _O61, V _O62) electronegative potential, give operational amplifier A 61 positive (+) input end pads planted agent circle's (limit) through voltage stabilizing diode DW63, this circle, end (limit) current potential is a little more than input end (V _I6) current potential, make output terminal (V _C61) the output noble potential, triode VT61 ends; Output terminal V _O62Electronegative potential, give operational amplifier A 64 anti-phase (-) input end pads planted agent circle's (limit) through voltage stabilizing diode DW64, this circle, end (limit) current potential is higher than input end (V _I6) current potential, make output terminal (V _C62) the output electronegative potential, feed back anti-phase (-) the input end current potential that drags down operational amplifier A 62, A63 through diode D64 and resistance R 616 on the one hand, make the spacing end V that is provided with _M6Spacing is lower limit, and triode VT62 is ended, and forces relay J 6 coil blackouts to discharge, and its normally opened contact cuts off load power source, has reached the purpose that prevents that circuit system is out of control, has guaranteed security control.Fall LED 61 in the end protection display circuit (7) simultaneously, LED62 is luminous, shows that the protection supervisory circuit (operational amplifier A 61, A64) of crossing the border is in the emergency protection state of a control.

When if sensing circuit is crossed circle, top (thermistor NTC61 short circuit or resistance R 61 open circuits or timing capacitor C61 open circuit) fault, input end V _I6Current potential is near V _{+ 1}Terminal voltage, output terminal (V _O61, V _O62) current potential is also high, near power supply V _{+ 2}Terminal voltage makes operational amplifier A 61 positive (+) input end current potentials be higher than its anti-phase (-) input end (V _I6) current potential, output terminal (V _C61) the output noble potential, and operational amplifier A 64 anti-phase (-) input end current potentials are higher than its positive (+) input end (V _I6) current potential, output terminal (V _C62) the output electronegative potential, triode VT61, VT62 are ended simultaneously, force relay J 6 outages to discharge, its normally opened contact cuts off load power source, reaches to prevent purpose out of control, has guaranteed security control.

Claims

1. the general controls electrical equipment of a real peace produce effects; Comprise sensing or integrating circuit (1), driving execution on-off circuit (5), decompression voltage regulator (6), it is characterized in that: also comprising the negative feedback governor circuit (2) that transfinites, the protection supervisory circuit (3) of crossing the border, fall end protection display circuit (7), the spacing circuit (8) that is provided with up and down; The output of described sensing or integrating circuit (1) connects the signal input part (V of the transfinite negative feedback governor circuit (2) and the protection supervisory circuit (3) of crossing the border _i), the output terminal (V of the negative feedback governor circuit (2) that transfinites _o) connect another input end of the protection supervisory circuit (3) of crossing the border and fall (7) input ends of end protection display circuit, the output terminal (V of the protection supervisory circuit (3) of crossing the border _c) connect the input end of driving execution on-off circuit (5), the output terminal (V of driving execution on-off circuit (5) _QC) connect another input end fall end protection display circuit (7), another output terminal (V of driving execution on-off circuit (5) _FC) connecting the spacing input end that circuit (8) are set up and down, the spacing up and down output terminal that circuit (8) is set connects another input end (V of the negative feedback governor circuit (2) that transfinites _m), sensing or integrating circuit (1) power supply, the output voltage V of decompression voltage regulator (6) are given in output voltage V+1 of decompression voltage regulator (6) _{+ 0}Give the transfinite negative feedback governor circuit (2) and protection supervisory circuit (3) power supply of crossing the border, driving execution on-off circuit (5) is by supply voltage V+2 power supply, the working power of the normally opened contact switch control load of driving execution on-off circuit (5) repeat circuit; Described sensing circuit can be that temperature sensor or pressure transducer or liquid level sensor are the circuit that main part constitutes; Described integrating circuit is the resistance integrating circuit that charging constitutes to electric capacity; The described negative feedback governor circuit (2) that transfinites can be to be the circuit of main part formation with operational amplifier or voltage comparator; The described protection supervisory circuit (3) of crossing the border can be the circuit that is made up of operational amplifier or voltage comparator and voltage stabilizing diode; Fall end protection display circuit (7) and be by behind the resistance series connection light emitting diode again with clamper isolating diode and the star-like parallelly connected circuit that constitutes of resistance, the described spacing up and down circuit (8) that is provided with is by three its contacts of the star-like parallel connection of resistance and the spacing input end V that is provided with up and down _mThe circuit that links to each other and constitute; Described driving execution on-off circuit (5) can be by a triode drive controlling relay or two or more triode tandem drive pilot relays, or by the output terminal string controlled relay of a triode and an operational amplifier, or by the output terminal of two operational amplifiers directly go here and there controlled relay, or be the circuit that main part constitutes by two analog switches series connection pilot relays; The working power of its repeat circuit control load; Described relay also can replace with electronic solid state, the input supply voltage V of described decompression voltage regulator (6) _{+ 2}Be higher than its output voltage V _{+ 1}And V _{+ 0}, its output terminal V _{+ 1}Voltage is higher than output terminal V again _{+ 0}Voltage.

2. the general controls electrical equipment of real peace produce effects according to claim 1; It is characterized in that: described sensing or integrating circuit (1) comprise thermistor NTC21 and resistance R 21 or resistance R p21 and capacitor C 21; The described negative feedback governor circuit (2) that transfinites comprises integrated operational amplifier or voltage comparator A22; The described protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A21 and voltage stabilizing diode DW22; Described driving execution on-off circuit (5) comprises triode VT21, VT22, voltage stabilizing diode DW21, resistance R 211, R217, diode D23, relay J 2; The described end protection display circuit (7) that falls comprises LED 21, diode D21, resistance R 212, R213, and the described spacing circuit (8) that is provided with up and down comprises resistance R 214, R215, R216; The output voltage V of described thermistor NTC21 one termination decompression voltage regulator (6) _{+ 1}End, other end connecting resistance R21, resistance R 21 other end ground connection (V _-), or the output voltage V of resistance R p21 one termination decompression voltage regulator (6) _{+ 1}End, another termination capacitor C 21 positive poles of resistance R p21, capacitor C 21 minus earth (V _-), its series connection dividing point is connected to the tie point (V of anti-phase (-) input end of positive (+) input end and operational amplifier or the voltage comparator A21 of operational amplifier or voltage comparator A22 _I21) on, positive (+) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW22 or voltage comparator A21, the anodal concatenation operation amplifier of voltage stabilizing diode DW22 or the output terminal (V of voltage comparator A22 _O21) and LED 21 negative poles, the LED 21 anodal resistance R 213 that connect, the other end connecting resistance R212 of resistance R 213 and diode D21 are anodal, the output terminal (V of diode D21 negative pole concatenation operation amplifier or voltage comparator A21 _C21) and the positive pole of voltage stabilizing diode DW21, another termination positive source voltage V of resistance R 212 _{+ 2}End; The negative pole of voltage stabilizing diode DW21 connects resistance R 211, R217, resistance R 211 another termination triode VT21 base stages, resistance R 217 another termination triode VT22 base stages; Triode VT22 emitter connects triode VT21 collector, and triode VT21 emitter meets positive source voltage V _{+ 2}End, triode VT22 collector connection relay J2 coil V _Q2End and diode D23 negative pole and resistance R 216, relay J 2 coil V _F2End connects diode D23 anodal and resistance R 215 and circuit ground end (V _-); After being connected to a bit, resistance R 215 other ends and resistance R 214, R216 be connected to anti-phase (-) input end (V of operational amplifier or voltage comparator A22 again _M2), the cathode voltage V of resistance R 214 another termination decompression voltage regulator (6) outputs _{+ 0}End, the positive source voltage V of decompression voltage regulator (6) output _{+ 0}End also is that operational amplifier or voltage comparator A21, A22 provide working power.

3. the general controls electrical equipment of real peace produce effects according to claim 1; It is characterized in that: described sensing or integrating circuit (1) comprise thermistor NTC31 and resistance R 31 or resistance R p31 and capacitor C 31; The described negative feedback governor circuit (2) that transfinites comprises integrated operational amplifier or voltage comparator A31; The described protection supervisory circuit (3) of crossing the border comprises operational amplifier or voltage comparator A32 and voltage stabilizing diode DW32; Described driving execution on-off circuit (5) comprises triode VT31, VT32, voltage stabilizing diode DW31, resistance R 311, R317, diode D33, relay J 3; The described end protection display circuit (7) that falls comprises LED 31, diode D31, resistance R 312, R313, and the described spacing circuit (8) that is provided with up and down comprises resistance R 314, R315, R316, diode D32; The output voltage V of described thermistor NTC31 one termination decompression voltage regulator (6) _{+ 1}End, other end connecting resistance R31, resistance R 31 other end ground connection (V _-), or the output voltage V of resistance R p31 one termination decompression voltage regulator (6) _{+ 1}End, another termination capacitor C 31 positive poles of resistance R p31, capacitor C 31 minus earth (V _-), its series connection dividing point is connected to the tie point (V of positive (+) input end of operational amplifier or voltage comparator A31, A32 _I31) on, anti-phase (-) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW32 or voltage comparator A32, the anodal concatenation operation amplifier of voltage stabilizing diode DW32 or the output terminal (V of voltage comparator A31 _O31) and resistance R 313, the other end sending and receiving optical diode LED31 negative pole of resistance R 313 and diode D31 negative pole, the LED 31 anodal resistance R 312 that connect, the anodal V of another termination supply voltage of resistance R 312 _{+ 2}End, the output terminal (V of anodal concatenation operation amplifier of diode D31 or voltage comparator A32 _C31) and the negative pole of voltage stabilizing diode DW31 and diode D32 anodal; The positive pole of voltage stabilizing diode DW31 connects resistance R 311, R317; Resistance R 311 another termination triode VT31 base stages, resistance R 317 another termination triode VT32 base stages, triode VT32 emitter connection circuit ground end (V _-), triode VT32 collector connecting transistor VT31 emitter, triode VT31 collector connection relay J3 coil V _F3End and diode D33 are anodal, diode D33 negative pole and relay J 3 coil V _Q3End all meets the anodal V of supply voltage _{+ 2}End, resistance R 314, R315, R316 are star-like to be connected to anti-phase (-) input end (V of operational amplifier or voltage comparator A31 after being connected to a bit again _M3), another termination positive source V of resistance R 314 _{+ 0}The other end connection circuit ground end (V of end, resistance R 315 _-), resistance R 316 another terminating diode D32 negative poles, the output voltage V of decompression voltage regulator (6) _{+ 0}End also is that operational amplifier or voltage comparator A31, A32 provide working power.

4. the general controls electrical equipment of real peace produce effects according to claim 1; It is characterized in that: described sensing or integrating circuit (1) comprise 1. private thermistor NTC41, the resistance R 41 in unit; Or 2. private thermistor NTC42, the resistance R 42 in unit of resistance R p41, capacitor C 41 and, or resistance R p42 and capacitor C 42; The described negative feedback governor circuit (2) that transfinites comprises the 1. 2. private operational amplifier or the voltage comparator A43 in unit of the private integrated operational amplifier in unit or voltage comparator A42 and the; The described protection supervisory circuit (3) of crossing the border comprises the 1. 2. private integrated operational amplifier in unit or voltage comparator A44, the voltage stabilizing diode DW44 of the private integrated operational amplifier in unit or voltage comparator A41, voltage stabilizing diode DW43 and the; The described end protection display circuit (7) that falls comprises the 1. 2. private LED 42, diode D42, resistance R 422, the R423 in unit of the private LED 41 in unit, diode D41, resistance R 412, R413 and the; Described driving execution on-off circuit (5) comprises triode VT41, VT42, voltage stabilizing diode DW41, DW42, resistance R 411, R421, diode D43, relay J 4; The described spacing circuit (8) that is provided with up and down comprises resistance R 414, R415, R416, diode D44; The voltage V of described thermistor NTC41 one termination decompression voltage regulator (6) output _{+ 1}End, other end connecting resistance R41, resistance R 41 other end ground connection (V _-), or the voltage V of resistance R P41 one termination decompression voltage regulator (6) output _{+ 1}End, another termination capacitor C 41 positive poles of resistance R P41, capacitor C 41 minus earth (V _-), its series connection dividing point is connected to the tie point (V of anti-phase (-) input end of positive (+) input end and operational amplifier or the voltage comparator A41 of operational amplifier or voltage comparator A42 _I41) on; Positive (+) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW43 or voltage comparator A41, the anodal concatenation operation amplifier of voltage stabilizing diode DW43 or the output terminal (V of voltage comparator A42 _O41) and resistance R 413, the other end connecting resistance R412 of resistance R 413 and diode D41 negative pole, resistance R 412 other end sending and receiving optical diode LED41 negative poles, the LED 41 anodal anodal V of supply voltage that connect _{+ 2}End; The voltage V of described thermistor NTC42 one termination decompression voltage regulator (6) output _{+ 1}End, other end connecting resistance R42, resistance R 42 other end ground connection (V _-), or the voltage V of resistance R P42 one termination decompression voltage regulator (6) output _{+ 1}End, another termination capacitor C 42 positive poles of resistance R P42, capacitor C 42 minus earth (V _-), its series connection dividing point is connected to the tie point (V of positive (+) input end of operational amplifier or voltage comparator A43 and A44 _I42) on; Anti-phase (-) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW44 or voltage comparator A44, the anodal concatenation operation amplifier of voltage stabilizing diode DW44 or the output terminal (V of voltage comparator A43 _O42) and resistance R 423; The other end sending and receiving optical diode LED42 negative pole of resistance R 423; LED 44 anodal resistance R 422 and the diode D42 positive poles of connecting, diode D42 negative pole connects triode VT42 collector, the anodal V of resistance R 422 another termination supply voltages _{+ 2}End; The anodal concatenation operation amplifier of described voltage stabilizing diode DW41 or the output terminal (V of voltage comparator A41 _C41), the negative pole of voltage stabilizing diode DW41 connects resistance R 411, resistance R 411 another termination triode VT41 base stages, and triode VT41 emitter meets the anodal V of supply voltage _{+ 2}End, triode VT41 collector connection relay J4 coil V _Q4End and diode D43 negative pole and diode D41 are anodal, relay J 4 coil V _F4End connects diode D43 anodal and diode D42 negative pole and triode VT42 collector, triode VT42 emitter connection circuit ground end (V _-), triode VT41 base stage connecting resistance R421, another termination voltage stabilizing diode DW42 of resistance R 412 is anodal, and voltage stabilizing diode DW42 negative pole meets the output terminal (V of operational amplifier or voltage comparator A44 _C42) and diode D44 positive pole; Described diode D44 negative pole connecting resistance R416, resistance R 416 other ends and resistance R 414, R415 are connected to a bit (V _M4) after be connected to two anti-phases (-) input end of operational amplifier or voltage comparator A42, A43, resistance R 415 other end connection circuit ground end (V again _-), the anodal V of resistance R 414 another termination supply voltages _{+ 2}End; The output voltage V of described decompression voltage regulator (6) _{+ 0}End also provides working power for operational amplifier or voltage comparator A41, A42, A43, A44.

5. the general controls electrical equipment of real peace produce effects according to claim 1, it is characterized in that: described sensing or integrating circuit (1) comprise thermistor NTC51 and resistance R 51 or resistance R P51 and electric capacity RP51; The described negative feedback governor circuit (2) that transfinites comprises the 1. 2. private integrated operational amplifier or the voltage comparator A53 in unit of the private integrated operational amplifier in unit or voltage comparator A52 and the; The described protection supervisory circuit (3) of crossing the border comprises the 1. 2. private operational amplifier in unit or voltage comparator A54, the voltage stabilizing diode DW54 of the private operational amplifier in unit or voltage comparator A51, voltage stabilizing diode DW53 and the; The described end protection display circuit (7) that falls comprises the 1. 2. private LED 52, diode D52, resistance R 522, the R523 in unit of the private LED 51 in unit, diode D51, resistance R 512, R513 and the; The described spacing circuit (8) that is provided with up and down comprises resistance R 514, R515, R516; Described driving execution on-off circuit (5) comprises relay J 5 and diode D53, diode D54; The voltage V of described thermistor NTC51 one termination decompression voltage regulator (6) output _{+ 1}End, other end connecting resistance R51, resistance R 51 other end ground connection (V _-), or the voltage V of resistance R P51 one termination decompression voltage regulator (6) output _{+ 1}End, another termination capacitor C 51 positive poles of resistance R P51, capacitor C 51 minus earth (V _-), its series connection dividing point is connected to the tie point (V of anti-phase (-) input end of positive (+) input end and operational amplifier or the voltage comparator A54 of operational amplifier or voltage comparator A51, A52, A53 _I5) on; Anti-phase (-) input end of the negative pole concatenation operation amplifier A51 of voltage stabilizing diode DW53, the output terminal (V of the anodal concatenation operation amplifier A52 of voltage stabilizing diode DW53 _O51) and resistance R 513, the other end connecting resistance R512 of resistance R 513 and diode D51 negative pole, diode D51 positive pole meets the output terminal (V of operational amplifier A 51 _C51), resistance R 512 other end sending and receiving optical diode LED51 negative poles, the LED 51 anodal anodal V of supply voltage that connect _{+ 2}End; Positive (+) input end of the negative pole concatenation operation amplifier A54 of voltage stabilizing diode DW54, the output terminal (V of the anodal concatenation operation amplifier A53 of voltage stabilizing diode DW54 _O52) and LED 52 negative poles, the LED 54 anodal resistance R 523 that connect, the other end connecting resistance R522 of resistance R 523 and diode D52 are anodal, the output terminal (V of diode D52 negative pole concatenation operation amplifier or voltage comparator A54 _C52) and diode D54 negative pole, the anodal V of resistance R 522 another termination supply voltages _{+ 2}End; Relay J 5 coil V _Q5Output terminal (the V of end and operational amplifier or voltage comparator A51 direct with diode D53 negative pole _C51) be connected relay J 5 coil V with diode D51 positive pole _F5End directly is connected the output terminal (V of diode D54 negative pole concatenation operation amplifier or voltage comparator A54 with diode D53 is anodal with diode D54 positive pole _C52); Relay J 5 coil V _Q5End also connects resistance R 516, is connected to two anti-phases (-) input end V of operational amplifier or voltage comparator A52, A53 after resistance R 516 other ends and resistance R 514, R515 are connected to a bit again _M5, resistance R 515 other end connection circuit ground end (V _-), the anodal V of resistance R 514 another termination supply voltages _{+ 0}End; The output voltage V of described decompression voltage regulator (6) _{+ 0}End also provides working power for operational amplifier or voltage comparator A51, A52, A53, A54.

6. the general controls electrical equipment of real peace produce effects according to claim 1, it is characterized in that: described sensing or integrating circuit (1) comprise thermistor NTC61, resistance R 61, or resistance R p61 and capacitor C 61, and resistance R 617, R618; The described negative feedback governor circuit (2) that transfinites comprises the 1. 2. private integrated operational amplifier or the voltage comparator A63 in unit of the private integrated operational amplifier in unit or voltage comparator A62 and the; The described protection supervisory circuit (3) of crossing the border comprises the 1. 2. private operational amplifier in unit or voltage comparator A64, the voltage stabilizing diode DW64 of the private operational amplifier in unit or voltage comparator A61, voltage stabilizing diode DW63 and the; The described end protection display circuit (7) that falls comprises the 1. 2. private LED 62, diode D62, resistance R 622, the R623 in unit of the private LED 61 in unit, diode D61, resistance R 612, R613 and the; Described driving execution on-off circuit (5) comprises triode VT61, VT62, voltage stabilizing diode DW61, DW62, resistance R 611, R621, relay J 6 and diode D63; The described spacing circuit (8) that is provided with up and down comprises resistance R 614, R615, R616, diode D64; The voltage V of described thermistor NTC61 one termination decompression voltage regulator (6) output _{+ 1}End, other end connecting resistance R61, resistance R 61 other end ground connection (V _-), or the voltage V of resistance R P61 one termination decompression voltage regulator (6) output _{+ 1}End, another termination capacitor C 61 positive poles of resistance R P61, capacitor C 61 minus earth (V _-), its series connection dividing point V _T6Connect resistance R 618, the common contact (V of positive (+) input end of anti-phase (-) input end of resistance R 618 other end concatenation operation amplifiers or voltage comparator A61 and operational amplifier or voltage comparator A62, A63, A64 _I6) on, resistance R 617 just is serially connected with common contact (V _I6) with the voltage V of decompression voltage regulator (6) output _{+ 1}Between the end; Positive (+) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW63 or voltage comparator A61, the anodal concatenation operation amplifier of voltage stabilizing diode DW63 or the output terminal (V of voltage comparator A62 _O61) and resistance R 613, the other end connecting resistance R612 of resistance R 613 and diode D61 negative pole, resistance R 612 other end sending and receiving optical diode LED61 negative poles, the LED 61 anodal anodal V of supply voltage that connect _{+ 2}End; Anti-phase (-) input end of the negative pole concatenation operation amplifier of voltage stabilizing diode DW64 or voltage comparator A64, the anodal concatenation operation amplifier of voltage stabilizing diode DW64 or the output terminal (V of voltage comparator A63 _O62) and resistance R 623, the other end sending and receiving optical diode LED62 negative pole of resistance R 623, LED 62 anodal resistance R 622 and the diode D62 positive poles of connecting, the anodal V of resistance R 622 another termination supply voltages _{+ 2}End; Output terminal (the V of anodal concatenation operation amplifier of voltage stabilizing diode DW61 or voltage comparator A61 _C61), the negative pole of voltage stabilizing diode DW61 connects resistance R 611, resistance R 611 another termination triode VT61 base stages, and triode VT61 emitter meets the anodal V of supply voltage _{+ 2}End, triode VT61 collector connection relay J6 coil V _Q6End and diode D63 negative pole and diode D61 are anodal, relay J 6 coil V _F6End connects diode D63 anodal and diode D62 negative pole and triode VT62 collector, triode VT62 emitter connection circuit ground end (V _-); Triode VT62 base stage connecting resistance R621, another termination voltage stabilizing diode DW62 of resistance R 612 is anodal, and voltage stabilizing diode DW62 negative pole meets the output terminal (V of operational amplifier or voltage comparator A64 _C62) and diode D64 positive pole; After being connected to a bit, described diode D64 negative pole connecting resistance R616, resistance R 616 other ends and resistance R 614, R615 be connected to two anti-phases (-) input end V of operational amplifier or voltage comparator A62, A63 again _M6, resistance R 615 other end connection circuit ground end (V _-), the anodal V of resistance R 614 another termination supply voltages _{+ 0}End; The voltage V of described decompression voltage regulator (6) output _{+ 0}End also provides working power for operational amplifier or voltage comparator A61, A62, A63, A64.