CN204557248U - A kind of electron temperature automaton - Google Patents
A kind of electron temperature automaton Download PDFInfo
- Publication number
- CN204557248U CN204557248U CN201520247894.4U CN201520247894U CN204557248U CN 204557248 U CN204557248 U CN 204557248U CN 201520247894 U CN201520247894 U CN 201520247894U CN 204557248 U CN204557248 U CN 204557248U
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- resistance
- temperature
- electric capacity
- integrated chip
- triode thyristor
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Abstract
The utility model discloses a kind of electron temperature automaton, comprise switch, AC power, the first electric capacity to the 3rd electric capacity, the first resistance to the 5th resistance, temperature sense resistance, diode, stabilivolt, bidirectional triode thyristor, potentiometer, heat-generating pipe, pilot lamp and Shi Ji integrated chip, when controlled sweat box temperature is down to below setting value, bidirectional triode thyristor conducting, time base integrated chip the 3rd pin export high level; When the temperature in incubator rises to setting value, time base integrated chip the 3rd pin output low level, turn off bidirectional triode thyristor, stop heating.Compared with prior art, the utility model adopts electronic chip to be automatic temperature switch in conjunction with temperature sensing device, and detected temperatures is accurate, controls accurately, avoids producing the too high situation of temperature, easy to use, has the value applied.
Description
Technical field
The utility model relates to a kind of automatic electronic controller, particularly relates to a kind of electron temperature automaton.
Background technology
Robotization refers to that machinery and equipment, system or process (produce, management process) are under the participating in directly of nobody or less people, according to the requirement of people, through detection automatically, information processing, analysis judgement, maneuvering and control, realize the process of the set goal.Automatic technology is widely used in the aspects such as industry, agricultural, military affairs, scientific research, communications and transportation, business, medical treatment, service and family.Adopt automatic technology not only people can be freed from heavy manual labor, part brainwork and severe, dangerous working environment, and the organ dysfunction of people can be expanded, greatly raise labour productivity, strengthen the ability of the human knowledge world and reforming world.Therefore, robotization is industry, agricultural, the essential condition of national defence and the modernization of science technology and distinctive marks.But automatic electronic temperature controller of the prior art adopts timing or temperature sense mostly, but the automatic electronic of timing controls too loaded down with trivial details, and control trouble, and the robotization of temperature sense adopts temperature switch to control mostly, but just can play a role when when using, temperature is too high, temperature controls not accurate, therefore, there is room for improvement.
Utility model content
The purpose of this utility model is just to provide a kind of electron temperature automaton to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises switch, AC power, first electric capacity is to the 3rd electric capacity, first resistance is to the 5th resistance, temperature sense resistance, diode, stabilivolt, bidirectional triode thyristor, potentiometer, heat-generating pipe, pilot lamp and Shi Ji integrated chip, the live wire of described AC power is connected with the first end of described switch, the second end of described switch simultaneously with the first end of described first electric capacity, the first end of described first resistance, the first end of described heat-generating pipe is connected with the first end of described 5th resistance, the zero line of described AC power simultaneously with the first end of described second electric capacity, the positive pole of described stabilivolt, the first end of described 3rd electric capacity, first pin of base integrated chip time described, the first end of described 4th resistance is connected with the first end of described bidirectional triode thyristor, second end of described first electric capacity is connected with the positive pole of described diode and the second end of described first resistance simultaneously, with the second end of described second resistance while of the negative pole of described diode, the negative pole of described stabilivolt, the first end of described second resistance, 4th and the 8th pin of base integrated chip time described, the first end of described potentiometer is connected with sliding end, second end of described second resistance simultaneously with the second end of described 3rd electric capacity and described time base integrated chip the 5th and the 7th pin be connected, time described, the 3rd pin of base integrated chip is connected with the control end of described bidirectional triode thyristor by described 3rd resistance, time described, the second pin of base integrated chip is connected with the second end of described 4th resistance and the first end of described temperature sense resistance simultaneously, second end of described temperature sense resistance is connected with the second end of described potentiometer, second end of described bidirectional triode thyristor is connected with the second end of described heat-generating pipe and the first end of described pilot lamp simultaneously, and the second end of described pilot lamp is connected with the second end of described 5th resistance simultaneously.
Particularly, described temperature sense resistance is negative temperature coefficient inductive reactance.
The beneficial effects of the utility model are:
The utility model is a kind of electron temperature automaton, and compared with prior art, the utility model adopts electronic chip to be automatic temperature switch in conjunction with temperature sensing device, detected temperatures is accurate, controls accurately, avoids producing the too high situation of temperature, easy to use, there is the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises switch QS, AC power AC, first electric capacity C1 is to the 3rd electric capacity C3, first resistance R1 is to the 5th resistance R5, temperature sense resistance RS, diode VD, stabilivolt VS, bidirectional triode thyristor V, potentiometer RT, heat-generating pipe EH, pilot lamp NE with time basis set become chip IC, the live wire of AC power AC is connected with the first end of switch QS, second end of switch QS simultaneously with the first end of the first electric capacity C1, the first end of the first resistance R1, the first end of heat-generating pipe EH is connected with the first end of the 5th resistance R5, the zero line of AC power AC simultaneously with the first end of the second electric capacity C2, the positive pole of stabilivolt EH, the first end of the 3rd electric capacity C3, time basis set become the first pin of chip IC, the first end of the 4th resistance R4 is connected with the first end of bidirectional triode thyristor V, and second end of the first electric capacity C1 is connected with the positive pole of diode VD and second end of the first resistance R1 simultaneously, with second end of the second resistance R2 while of the negative pole of diode VD, the negative pole of stabilivolt VS, the first end of the second resistance R2, time basis set become the 4th and the 8th pin of chip IC, the first end of potentiometer RT is connected with sliding end, second end of the second resistance R2 simultaneously with second end of the 3rd electric capacity C3 with time basis set become the 5th of chip IC the and the 7th pin to be connected, time basis set become the 3rd pin of chip IC to be connected with the control end of bidirectional triode thyristor V by the 3rd resistance R3, time basis set become the second pin of chip IC to be connected with second end of the 4th resistance R4 and the first end of temperature sense resistance RS simultaneously, second end of temperature sense resistance RS is connected with second end of potentiometer RT, second end of bidirectional triode thyristor V is connected with second end of heat-generating pipe EH and the first end of pilot lamp NE simultaneously, and second end of pilot lamp NE is connected with second end of the 5th resistance R5 simultaneously.
Particularly, temperature sense resistance RS is negative temperature coefficient inductive reactance.
When controlled sweat box temperature is down to below setting value, bidirectional triode thyristor V conducting, time basis set become chip IC the 3rd pin export high level; When the temperature in incubator rises to setting value, time basis set become the 3rd pin output low level of chip IC, turn off bidirectional triode thyristor V, stop heating.
Particularly, 220V alternating current AC after the first electric capacity Cl step-down, diode VD half-wave rectification, the second electric capacity C2 filtering and stabilivolt VS voltage stabilizing, to time basis set become chip IC to provide 12V DC voltage.Simultaneously by time the basis set delay circuit that becomes chip IC to form start timing.If when the temperature in incubator is down to below setting value, negative tempperature coefficient thermistor RS resistance is larger, time basis set become the second pin current potential of chip IC through potentiometer RT, the 3rd resistance R3 and the 4th resistance R4 dividing potential drop, time basis set become chip IC the 3rd pin export high level (about 11V), bidirectional triode thyristor V triggering and conducting, heat-generating pipe EH obtains electrical heating, and pilot lamp NE lights simultaneously, represents and heats.If temperature has risen reach setting value, because temperature sense resistance RS resistance with temperature raise and reduce, at this moment 5 time basis set become chip IC to reset, bidirectional triode thyristor V turns off, heat-generating pipe EH stop heat, pilot lamp NE extinguishes.When the temperature in incubator slowly declines in time, and when being down to below design temperature, temperature sense resistance RS resistance becomes again large, its the 3rd pin exports high level, bidirectional triode thyristor V conducting, and heat-generating pipe EH starts again heating, repetitive cycling like this, thus maintain the temperature constant in incubator.
Component parameter of the present utility model is selected as follows:
AC power AC is 220V, first electric capacity C1 is 300uf, second electric capacity C2 is 470uf, 3rd electric capacity C3 is 100uf, first resistance R1 is 100 Ω, second resistance R2 is 400 Ω, 3rd resistance R3 is 500 Ω, 4th resistance R4 is 2k Ω, 5th resistance R5 is 27k Ω, temperature sense resistance RS is 300 Ω, diode VD model is 70HF80, stabilivolt VS is 2CW1, bidirectional triode thyristor V, potentiometer RT is 0 ~ 720 Ω, heat-generating pipe EH is 3KW, pilot lamp NE with time basis set become chip IC model to be the time base integrated chip of NE555.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. an electron temperature automaton, is characterized in that: comprise switch, AC power, first electric capacity is to the 3rd electric capacity, first resistance is to the 5th resistance, temperature sense resistance, diode, stabilivolt, bidirectional triode thyristor, potentiometer, heat-generating pipe, pilot lamp and Shi Ji integrated chip, the live wire of described AC power is connected with the first end of described switch, the second end of described switch simultaneously with the first end of described first electric capacity, the first end of described first resistance, the first end of described heat-generating pipe is connected with the first end of described 5th resistance, the zero line of described AC power simultaneously with the first end of described second electric capacity, the positive pole of described stabilivolt, the first end of described 3rd electric capacity, first pin of base integrated chip time described, the first end of described 4th resistance is connected with the first end of described bidirectional triode thyristor, second end of described first electric capacity is connected with the positive pole of described diode and the second end of described first resistance simultaneously, with the second end of described second resistance while of the negative pole of described diode, the negative pole of described stabilivolt, the first end of described second resistance, 4th and the 8th pin of base integrated chip time described, the first end of described potentiometer is connected with sliding end, second end of described second resistance simultaneously with the second end of described 3rd electric capacity and described time base integrated chip the 5th and the 7th pin be connected, time described, the 3rd pin of base integrated chip is connected with the control end of described bidirectional triode thyristor by described 3rd resistance, time described, the second pin of base integrated chip is connected with the second end of described 4th resistance and the first end of described temperature sense resistance simultaneously, second end of described temperature sense resistance is connected with the second end of described potentiometer, second end of described bidirectional triode thyristor is connected with the second end of described heat-generating pipe and the first end of described pilot lamp simultaneously, and the second end of described pilot lamp is connected with the second end of described 5th resistance simultaneously.
2. electron temperature automaton according to claim 1, is characterized in that: described temperature sense resistance is negative temperature coefficient inductive reactance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247894.4U CN204557248U (en) | 2015-04-22 | 2015-04-22 | A kind of electron temperature automaton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247894.4U CN204557248U (en) | 2015-04-22 | 2015-04-22 | A kind of electron temperature automaton |
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| Publication Number | Publication Date |
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| CN204557248U true CN204557248U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520247894.4U Expired - Fee Related CN204557248U (en) | 2015-04-22 | 2015-04-22 | A kind of electron temperature automaton |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068575A (en) * | 2015-09-01 | 2015-11-18 | 芜湖瑞泰精密机械有限公司 | An agricultural product cultivating constant temperature control circuit |
| CN106325330A (en) * | 2016-10-20 | 2017-01-11 | 广西大学 | Thermostatic control circuit for bird egg incubator |
| NL2021738B1 (en) * | 2018-10-01 | 2020-05-07 | Chongqing College Elect Eng | A Sensor Induction Circuit for Medical Microorganism Specimen Detection |
-
2015
- 2015-04-22 CN CN201520247894.4U patent/CN204557248U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068575A (en) * | 2015-09-01 | 2015-11-18 | 芜湖瑞泰精密机械有限公司 | An agricultural product cultivating constant temperature control circuit |
| CN106325330A (en) * | 2016-10-20 | 2017-01-11 | 广西大学 | Thermostatic control circuit for bird egg incubator |
| NL2021738B1 (en) * | 2018-10-01 | 2020-05-07 | Chongqing College Elect Eng | A Sensor Induction Circuit for Medical Microorganism Specimen Detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160422 |