CN203191851U - Voltage-regulating type temperature control device - Google Patents
Voltage-regulating type temperature control device Download PDFInfo
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- CN203191851U CN203191851U CN 201320179384 CN201320179384U CN203191851U CN 203191851 U CN203191851 U CN 203191851U CN 201320179384 CN201320179384 CN 201320179384 CN 201320179384 U CN201320179384 U CN 201320179384U CN 203191851 U CN203191851 U CN 203191851U
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- potentiometer
- switch
- relay
- resistance
- mercury
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Abstract
The utility model discloses a voltage-regulating type temperature control device. The voltage-regulating type temperature control device comprises a time relay, a relay, a mercury-in-glass thermometer, a bidirectional triode thyristor, a bidirectional diode, a first capacitor, a second capacitor, a first potentiometer, a second potentiometer, a fuse, a first bulb, a second bulb, a first resistor, a second resistor, a third resistor, a first switch and a second switch. The circuit of the voltage-regulating type temperature control device disclosed by the utility model is composed of two parts, wherein a double-regulating network is composed of the bidirectional triode thyristor, the mercury-in-glass thermometer with an adjustable electric contact, the first resistor, the second resistor, the first potentiometer, the third resistor, the first capacitor and the second capacitor; and the other part is a timing conversion bidirectional triode thyristor voltage-regulating network system composed of the time relay and the relay. The voltage-regulating type temperature control device disclosed by the utility model is few in the adopted components, simple and practical in the circuit, capable of being used for early oven technology transformation, simple in structure, low in cost, and accurate in temperature regulation.
Description
Technical field
The utility model relates to a kind of temperature control circuit device, relates in particular to a kind of pressure-adjusting type attemperating unit.
Background technology
In production and scientific research, the use of electric dry oven temperature controller is very extensive, the measurement of temperature and control accuracy also require very high, in application, after radiator valve cuts off the electric furnace heating wire power supply, because the thermal inertia of electric furnace heating wire, cause temperature still continue to rise 5 ℃～more than 15 ℃, this is the reason that causes overtemperature, in a lot of places of using constant temperature ovens, only allow the temperature inside the box to change between ± 0.5 ℃～± 1 ℃, as microbial bacterial cultivation, the hatching of young bird etc.And temperature control equipment of the prior art, complex structure, cost is higher, and refining temperature is accurate inadequately.
The utility model content
The purpose of this utility model provides a kind of pressure-adjusting type attemperating unit with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the time relay, relay, mercury-in-glass thermometer, bidirectional triode thyristor, bilateral diode, first electric capacity, second electric capacity, first potentiometer, second potentiometer, fuse, first bulb, second bulb, first resistance, second resistance, the 3rd resistance, first switch and second switch, first end of described first switch is connected with an end of AC power, second end of described first switch is connected with first end of described fuse, second end while of described fuse and first end of described second switch, first end of described first bulb, first end of described mercury-in-glass thermometer internal heat generation silk is connected with first end of described second bulb, second end of described mercury-in-glass thermometer internal heat generation silk is connected with first end of described bidirectional triode thyristor and first end of described first resistance simultaneously, second end of described second switch is connected with first end of the described time relay, second end of the described time relay is connected with first end of described relay, described second potentiometer is series between the two ends of control end of the described time relay, the sliding end of described second potentiometer is connected with first end of described second potentiometer, second end while of described relay and the other end of described AC power, second end of described first bulb, first end of described first electric capacity, first end of described second electric capacity, first end of thermometer in the described mercury-in-glass thermometer, second end of described second bulb and second end of described bidirectional triode thyristor are connected, the control end of described bidirectional triode thyristor is connected with second end of thermometer in the described mercury-in-glass thermometer with first end of described bilateral diode simultaneously, second end of described bilateral diode is connected with second end of described second electric capacity and first end of described the 3rd resistance simultaneously, second end of described the 3rd resistance is connected with second end of described first electric capacity and first end of described first potentiometer simultaneously, second end of described first potentiometer is connected with first end of described second resistance, second end of described second resistance is connected with first end of described relay normally open switch, second end of described relay normally open switch is connected with first end of described relay normally closed switch and second end of described first resistance simultaneously, and second end of described relay normally closed switch is connected with the sliding end of described first potentiometer.
The beneficial effects of the utility model are:
The utility model adopts components and parts less, and circuit is simple and practical, can be used for below 300 ℃, ± O.1 ℃～and ± 0.5 ℃ thermostatic control, also can be used for early stage baking box technological transformation.And the utility model is simple in structure, and cost is lower, and refining temperature is accurate.
Description of drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises time relay SST, relay K, mercury-in-glass thermometer T, bidirectional triode thyristor VS, bilateral diode VD, first capacitor C 1, second capacitor C 2, the first potentiometer RP1, the second potentiometer RP2, fuse F, the first bulb H1, the second bulb H2, first resistance R 1, second resistance R 2, the 3rd resistance R 3, first switch S 1 and second switch S2, first end of first switch S 1 is connected with an end of AC power, second end of first switch S 1 is connected with first end of fuse F, second end while of fuse F and first end of second switch S2, first end of the first bulb H1, first end of mercury-in-glass thermometer T internal heat generation silk is connected with first end of the second bulb H2, second end of mercury-in-glass thermometer T internal heat generation silk is connected with first end of bidirectional triode thyristor VS and first end of first resistance R 1 simultaneously, second end of second switch S2 is connected with first end of time relay SST, second end of time relay SST is connected with first end of relay K, the second potentiometer RP2 is series between the two ends of control end of time relay SST, the sliding end of the second potentiometer RP2 is connected with first end of the second potentiometer RP2, second end while of relay K and the other end of AC power, second end of the first bulb H1, first end of first capacitor C 1, first end of second capacitor C 2, first end of thermometer in the mercury-in-glass thermometer T, second end of the second bulb H2 is connected with second end of bidirectional triode thyristor VS, the control end of bidirectional triode thyristor VS is connected with second end of thermometer in the mercury-in-glass thermometer T with first end of bilateral diode VD simultaneously, second end of bilateral diode VD is connected with second end of second capacitor C 2 and first end of the 3rd resistance R 3 simultaneously, second end of the 3rd resistance R 3 is connected with second end of first capacitor C 1 and first end of the first potentiometer RP1 simultaneously, second end of the first potentiometer RP1 is connected with first end of second resistance R 2, second end of second resistance R 2 is connected with first end of relay normally open K switch 1, second end of relay normally open K switch 1 is connected with first end of relay normally closed switch K2 and second end of first resistance R 1 simultaneously, and second end of relay normally closed switch K2 is connected with the sliding end of the first potentiometer RP1.
As shown in Figure 1: the utility model circuit is made up of two parts, wherein, by bidirectional triode thyristor VS, the mercury-in-glass thermometer T of adjustable electric contact reaches by first resistance R 1, second resistance R 2, the first potentiometer RP1, the 3rd resistance R 3, first capacitor C 1, second capacitor C 2 and forms two regulating networks; Another part is then formed timing by time relay SST and relay K and is changed the bidirectional thyristor for regulating voltage network system.After first switch S 1, second switch S2 close a floodgate; The signal lamp first bulb H1 lights, and when mercury-in-glass thermometer T thermometric portion was positioned at temperature and is lower than the setting value of mercury-in-glass thermometer T, the contact of mercury-in-glass thermometer T disconnected.At this moment, the triggering control of bidirectional triode thyristor VS is by first resistance R 1, relay normally closed switch K2, the 3rd resistance R 3, first capacitor C 1, second capacitor C 2 and the bilateral diode VD control end to bidirectional triode thyristor VS, bidirectional triode thyristor VS obtains trigger current and conducting, heating wire energising heat temperature raising in the mercury-in-glass thermometer T, the pilot lamp second bulb H2 lights.
As shown in Figure 1: when the temperature inside the box rises to set temperature value (20 ℃) left and right sides apart from mercury-in-glass thermometer T, the timing of time relay SST arrives, begin to start, relay K energising adhesive, its normally closed switch K2 disconnects, and normal open switch K1 is closed to be connected, just changed the conduction angle of bidirectional triode thyristor VS, thereby the voltage of load is reduced, and programming rate reduces, and thermal inertia reduces.After time relay SST action, the trigger control circuit of bidirectional triode thyristor VS becomes adjustable, when regulating the first potentiometer RP1, when making the resistance increasing of the first potentiometer RP1, reduces with regard to the conduction angle that makes bidirectional triode thyristor VS; When the temperature inside the box reached the setting value of mercury-in-glass thermometer T, the platinum electrode in the mercury-in-glass thermometer T and mercury slug were connected.The control utmost point of bidirectional triode thyristor VS and negative electrode short circuit, when bidirectional triode thyristor VS loses the trigger pip current over-zero and turn-off, the second bulb H2 goes out.Temperature descends, and electrode and mercury slug disconnect in the mercury-in-glass thermometer T, and bidirectional triode thyristor VS is triggering and conducting again, the heating wire energising heating in the mercury-in-glass thermometer T, and temperature rises.Bidirectional triode thyristor VS turn-offs again when temperature reaches setting value, and the heating wire in the mercury-in-glass thermometer T stops heating.So go round and begin again, make oven temperature basicly stable.
Claims (1)
1. pressure-adjusting type attemperating unit, it is characterized in that: comprise the time relay, relay, mercury-in-glass thermometer, bidirectional triode thyristor, bilateral diode, first electric capacity, second electric capacity, first potentiometer, second potentiometer, fuse, first bulb, second bulb, first resistance, second resistance, the 3rd resistance, first switch and second switch, first end of described first switch is connected with an end of AC power, second end of described first switch is connected with first end of described fuse, second end while of described fuse and first end of described second switch, first end of described first bulb, first end of described mercury-in-glass thermometer internal heat generation silk is connected with first end of described second bulb, second end of described mercury-in-glass thermometer internal heat generation silk is connected with first end of described bidirectional triode thyristor and first end of described first resistance simultaneously, second end of described second switch is connected with first end of the described time relay, second end of the described time relay is connected with first end of described relay, described second potentiometer is series between the two ends of control end of the described time relay, the sliding end of described second potentiometer is connected with first end of described second potentiometer, second end while of described relay and the other end of described AC power, second end of described first bulb, first end of described first electric capacity, first end of described second electric capacity, first end of thermometer in the described mercury-in-glass thermometer, second end of described second bulb and second end of described bidirectional triode thyristor are connected, the control end of described bidirectional triode thyristor is connected with second end of thermometer in the described mercury-in-glass thermometer with first end of described bilateral diode simultaneously, second end of described bilateral diode is connected with second end of described second electric capacity and first end of described the 3rd resistance simultaneously, second end of described the 3rd resistance is connected with second end of described first electric capacity and first end of described first potentiometer simultaneously, second end of described first potentiometer is connected with first end of described second resistance, second end of described second resistance is connected with first end of described relay normally open switch, second end of described relay normally open switch is connected with first end of described relay normally closed switch and second end of described first resistance simultaneously, and second end of described relay normally closed switch is connected with the sliding end of described first potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179384 CN203191851U (en) | 2013-04-11 | 2013-04-11 | Voltage-regulating type temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179384 CN203191851U (en) | 2013-04-11 | 2013-04-11 | Voltage-regulating type temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191851U true CN203191851U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320179384 Expired - Fee Related CN203191851U (en) | 2013-04-11 | 2013-04-11 | Voltage-regulating type temperature control device |
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| Country | Link |
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| CN (1) | CN203191851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534885A (en) * | 2014-12-31 | 2015-04-22 | 苏州立人听力器材有限公司 | Control circuit of constant-temperature wax melting furnace |
-
2013
- 2013-04-11 CN CN 201320179384 patent/CN203191851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534885A (en) * | 2014-12-31 | 2015-04-22 | 苏州立人听力器材有限公司 | Control circuit of constant-temperature wax melting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20140411 |