CN2506956Y - Electric heater and controller for rock sample oven - Google Patents

Electric heater and controller for rock sample oven Download PDF

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Publication number
CN2506956Y
CN2506956Y CN 01271768 CN01271768U CN2506956Y CN 2506956 Y CN2506956 Y CN 2506956Y CN 01271768 CN01271768 CN 01271768 CN 01271768 U CN01271768 U CN 01271768U CN 2506956 Y CN2506956 Y CN 2506956Y
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China
Prior art keywords
circuit
break
drying
electric heating
negative pole
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Expired - Fee Related
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CN 01271768
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Chinese (zh)
Inventor
曲永兴
张敏
李学国
樊银书
汪玉泉
袁佰琰
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Daqing Oilfield Co Ltd
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Daqing Oilfield Co Ltd
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Priority to CN 01271768 priority Critical patent/CN2506956Y/en
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Abstract

An electric heating and electric control device for a rock sample bake oven belongs to an improvement of an electric heating pipe connection means and control circuit structure of the oil well rock sample drying facilities. G 1 end of the drying circuit (3) is connected with the A phrase of the AC and the other end of G 1 is connected with the B phrase of AC through a switch connecting point of IC 3. G 2 end of the drying circuit (4) is connected with the A phrase of AC and G 3 end is connected with the B phrase of AC while the other ends of G 2 and G 3 are connected with the C phrase of AC through the switch connecting point of IC 2. A temperature controlling circuit (9) consists of an IC 1, K 2, R t and an over-temperature alarming circuit (12). A drying and controlling circuit (10) consists of an IC 2, D 10 and K 4 and the drying and controlling circuit (11) consists of an IC 3, D 11 and K 5. The baking and roasting of the utility model can be carried out simultaneously and the whole drying time reduces by 70 percent with an error no bigger than plus or minus 2 DEG C. Besides, the utility model can be adjusted sequentially within the scope of 0 to 200 DEG C without three-phrase electricity zero deviation to guarantee the safety of the electrical apparatus of each three-phrase. The controlling circuit has function of over-temperature alarming.

Description

The electrical heating of rock sample baking box and controller for electric consumption
Technical field: the utility model belongs to the connected mode of electric heating tube of oil well rock sample drying apparatus and the improvement of control circuit structure.
Background technology: it is long that the present rock sample baking box that uses all exists drying time mostly, and one the case rock sample needs about two hours ability dry, and it is big to control temperature deviation.It has only drying function, do not dry function and have, again because its operating voltage adopts the 220V alternating current, because the power minimum of drying baker is 3000W, so easily cause the zero migration of three-phase electricity, make other not phase voltage rising of usefulness, burnout phenomenon then easily takes place in the electrical appliance that raises with this phase place, moreover existing rock sample drying baker do not have the function of temperature automatically controlled and temperature exceeding standard alarm, and accident easily meets accident.
Summary of the invention: the purpose of this utility model is the electrical heating and the controller for electric consumption of a kind of rock sample baking box of development, it should have drying time short, to three-phase electricity inferred-zero shift phenomenon, it not only has drying function, also has the function of drying, and has function temperature automatically controlled, overtemperature alarm.The utility model comprises control housing 1, power supply 2, drying circuit 3, heated shell 7, control housing 1 is arranged on the upper end isolated with baking vessel 6, and drying circuit 3 and the electric heating tube of drying circuit 4 all are arranged in the heated shell 7 of baking box, heated shell 7 be arranged on baking vessel 6 below.Power supply 2 is by 380V three-phase alternating current AC, transformer B 1, transformer B 2, rectification direct current regulation circuit 8 forms.It also comprises dries circuit 4, control circuit 5, and control circuit 5 is arranged in the control housing 1.Drying circuit 3 is by electric heating tube G 1, resistance R 2, diode D 2, diode D 3, light emitting diode D 6Form electric heating tube G 1One terminate on the A phase line of three-phase alternating current source AC G 1The make and break contact of the other end by oven dry control solid-state relay connect on the B phase line of three-phase alternating-current supply AC.R 2One terminate at G 1Meet on the end of three-phase alternating-current supply A phase line R 2Another termination D 2Positive pole, D 2Negative pole meet D 6Positive pole and D 3Negative pole, D 3Positive pole and D 6Negative pole meet G 1The other end.Dry circuit 4 by electric heating tube G 3, electric heating tube G 2, resistance R 3, diode D 4, diode D 5, light emitting diode D 7Form electric heating tube G 3One terminate on the B phase line of three-phase alternating-current supply AC electric heating tube G 2One terminate on the A phase line of three-phase alternating-current supply AC G 2And G 3The other end all by dry control solid-state relay make and break contact connect on the C phase line of three-phase alternating-current supply AC.R 3One terminate at G 3Meet on the end of B phase line of three-phase alternating-current supply AC R 3Another termination D 4Positive pole, D 4Negative pole meet D 5Negative pole and D 7Positive pole, D 5Positive pole and D 7Negative pole meet G 3The other end.Control circuit 5 by temperature-control circuit 9, dry control circuit 10, the oven dry control circuit 11 form.Temperature-control circuit 9 is by micro computer temperature control chip IC 1, button self-lock switch K 3, thermo-sensitive resistor R t, overtemperature alarm circuit 12 forms.IC 1Power supply termination B 1The 220V power end, IC 1Two temperature controls input termination thermo-sensitive resistor R tTwo ends, IC 1Control termination button self-lock switch K 3A break of last group, overtemperature alarm circuit 12 is by loudspeaker Y, resistance R 1, diode D 1, light emitting diode D 8, light emitting diode D 9Form R 1With D 1Positive pole, D 1Negative pole and D 8Positive pole be connected in series, this series circuit is attempted by on the two ends of Y again, D 8Negative pole meet K 3Another break of last group and the end of Y, R 1Another termination B 1An end of 220V power supply and the other end of Y, D 9Positive pole be connected on K 3On following group the break, D 9Negative pole be connected on the ground end of D.C. regulated power supply 8.Dry control circuit 10 by solid-state relay IC 2, the state of drying shows light emitting diode D 10, button self-lock switch K 4Form.IC 2On the C phase line of one termination three-phase alternating-current supply AC of make and break contact, IC 2Another termination of make and break contact dry the electric heating tube G of circuit 4 2With electric heating tube G 3An end, IC 2Input and IC 1An output link to each other IC 2Another input termination K 4A break of last group, IC 1Another output also meet K 4Another break of last group.D 10Positive pole be connected on K 4On following group the break, D 10Negative pole be connected on the ground end of D.C. regulated power supply 8.Oven dry control circuit 11 is by solid-state relay IC 3, oven-dried condition shows light emitting diode D 11, button self-lock switch K 5Form.IC 3One of make and break contact terminates on the B phase line of three-phase alternating-current supply AC, IC 3The electric heating tube G of another termination drying circuit 3 of make and break contact 1An end, IC 3An input be connected on IC 1An output on, IC 3Another input be connected on K 5On last group the break, IC 1Another output also meet K 5On another break of last group.D 11Positive pole be connected on K 5On following group the break, D 11Negative pole be connected on the ground end of D.C. regulated power supply 8.The cathode output end E of D.C. regulated power supply 8 CBe connected on K 3, K 4, K 5On another break of following group.The utility model not only has drying function, also has the function of drying, baking can be carried out respectively, also can carry out simultaneously, and the volume drying time shortened to 3-40 minute by original two hours, the temperature error maximum is no more than ± 2 ℃, operating temperature is adjustable continuously in 0-200 ℃ of scope, especially it has adopted the electric heating tube that the three phase mains balancing method connects oven dry and dries, and makes three-phase electricity the zero migration phenomenon can not take place, and has guaranteed the every safety that goes up electrical appliance mutually of all three-phase electricity.Control circuit is contactless, noiseless, dependable performance.It has temp autocontrolled function and overtemperature alarm function, accident can not meet accident.
Description of drawings: Fig. 1 is the overall structure schematic diagram of rock sample baking box, and Fig. 2 is oven dry and the electrical block diagram of drying electric heating tube and control circuit.
The specific embodiment: present embodiment is by control housing 1, power supply 2, drying circuit 3, dry circuit 4, control circuit 5, heated shell 7 and form, control housing 1 is arranged on the upper end isolated with baking vessel 6, control circuit 5 is arranged in the control housing 1, drying circuit 3 and the electric heating tube of drying circuit 4 all are arranged in the heated shell 7, heated shell 7 be arranged on baking vessel 6 below, power supply 2 is by 380V three-phase alternating-current supply AC, transformer B 1, transformer B 2, rectification direct current regulation circuit 8 forms.Drying circuit 3 is by electric heating tube G 1, resistance R 2, diode D 2, diode D 3, light emitting diode D 6Form G 1Electrothermal tube connection in series-parallel by six 500W is formed.Electric heating tube G 1One terminate on the A phase line of three-phase alternating current source AC G 1The make and break contact of the other end by oven dry control solid-state relay connect on the B phase line of three-phase alternating-current supply AC.R 2One terminate at G 1Meet on the end of three-phase alternating-current supply A phase line R 2Another termination D 2Positive pole, D 2Negative pole meet D 6Positive pole and D 3Negative pole, D 3Positive pole and D 6Negative pole meet G 1The other end.Dry circuit 4 by electric heating tube G 3, electric heating tube G 2, resistance R 3, diode D 4, diode D 5, light emitting diode D 7Form G 3Electrothermal tube connection in series-parallel by ten 200W is formed.Electric heating tube G 3One terminate on the B phase line of three-phase alternating-current supply AC G 2Electrothermal tube by a 1500W is served as.Electric heating tube G 2One terminate on the A phase line of three-phase alternating-current supply AC G 2And G 3The other end all by dry control solid-state relay make and break contact connect on the C phase line of three-phase alternating-current supply AC.R 3One terminate at G 3Meet on the end of B phase line of three-phase alternating-current supply AC R 3Another termination D 4Positive pole, D 4Negative pole meet D 5Negative pole and D 7Positive pole, D 5Positive pole and D 7Negative pole meet G 3The other end.Control circuit 5 by temperature-control circuit 9, dry control circuit 10, the oven dry control circuit 11 form.Temperature-control circuit 9 is by micro computer temperature control chip IC 1, button self-lock switch K 3, thermo-sensitive resistor R t, overtemperature alarm circuit 12 forms.IC 1Select the P907 model for use, IC 1Power end 1,2,3 pin meet B 1The 220V power end, IC 1Two temperature control inputs, 13,14 pin meet thermo-sensitive resistor R tTwo ends, IC 1Control end 4 pin meet button self-lock switch K 3A break of last group, overtemperature alarm circuit 11 is by loudspeaker Y, resistance R 1, diode D 1, light emitting diode D 8, light emitting diode D 9Form R 1With D 1Positive pole, D 1Negative pole and D 8Positive pole be connected in series, this series circuit is attempted by on the two ends of Y again, D 8Negative pole meet K 3Another break of last group and the end of Y, R 1Another termination B 1An end of 220V power supply and the other end of Y, D 9Positive pole be connected on K 3On following group the break, D 9Negative pole be connected on the ground end of D.C. regulated power supply 8.Dry control circuit 10 by solid-state relay IC 2, the state of drying shows light emitting diode D 10, button self-lock switch K 4Form.IC 2Select the SSR40A/380V model for use, IC 2One end, 3 pin of make and break contact meet on the C phase line of three-phase alternating-current supply AC IC 2The make and break contact other end 4 pin meet the electric heating tube G that dries circuit 4 2With electric heating tube G 3An end, IC 2Input 1 pin and IC 1Output 5 pin link to each other IC 2Another input 2 pin meet K 4A break of last group, IC 1Another output 7 pin also meet K 4Another break of last group.D 10Positive pole be connected on K 4On following group the break, D 10Negative pole be connected on the ground end of D.C. regulated power supply 8.Oven dry control circuit 11 is by solid-state relay IC 3, oven-dried condition shows light emitting diode D 11, button self-lock switch K 5Form.IC 3Select the SSR40A/380V model for use, IC 3One end, 3 pin of make and break contact are connected on the B phase line of three-phase alternating-current supply AC IC 3The other end 4 pin of make and break contact meet the electric heating tube G of drying circuit 3 1An end, IC 3Input 1 pin be connected on IC 1Output 5 pin on, IC 3Another input 2 pin be connected on K 5On last group the break, IC 1Another output 7 pin also meet K 5On another break of last group.D 11Positive pole be connected on K 5On following group the break, D 11Negative pole be connected on the ground end of D.C. regulated power supply 8.The cathode output end E of D.C. regulated power supply 8 CBe connected on K 3, K 4, K 5On another break of following group.

Claims (7)

1, the electrical heating of rock sample baking box and controller for electric consumption, it comprises control housing (1), power supply (2), heated shell (7), drying circuit (3), control housing (1) is arranged on and the isolated upper end of baking vessel (6), drying circuit (3) and the electric heating tube of drying circuit (4) all are arranged in the heated shell (7), and power supply (2) is by 380V three-phase alternating-current supply AC, transformer B 1, transformer B 2, rectification direct current regulation circuit (8) forms, it is characterized in that it also comprises to dry circuit (4), control circuit (5); Control circuit (5) is arranged in the control housing (1), and drying circuit (3) is by electric heating tube G 1, resistance R 2, diode D 2, diode D 3, light emitting diode D 6Form electric heating tube G 1One terminate on the A phase line of three-phase alternating current source AC G 1The make and break contact of the other end by oven dry control solid-state relay connect on the B phase line of three-phase alternating-current supply AC; Dry circuit (4) by electric heating tube G 3, electric heating tube G 2, resistance R 3, diode D 4, diode D 5, light emitting diode D 7Form electric heating tube G 3One terminate on the B phase line of three-phase alternating-current supply AC electric heating tube G 2One terminate on the A phase line of three-phase alternating-current supply AC G 2And G 3The other end all by dry control solid-state relay make and break contact connect on the C phase line of three-phase alternating-current supply AC; Control circuit (5) by temperature-control circuit (9), dry control circuit (10), the oven dry control circuit (11) form; Temperature-control circuit (9) is by micro computer temperature control chip IC 1, button self-lock switch K 3, thermo-sensitive resistor R t, overtemperature alarm circuit (12) forms; IC 1Power supply termination B 1The 220V power end, IC 1Two temperature controls input termination thermo-sensitive resistor R tTwo ends, IC 1Control termination button self-lock switch K 3A break of last group is dried control circuit (10) by solid-state relay IC 2, the state of drying shows light emitting diode D 10, button self-lock switch K 4Form; IC 2On the C phase line of one termination three-phase alternating-current supply AC of make and break contact, IC 2Another termination of make and break contact dry the electric heating tube G of circuit (4) 2With electric heating tube G 3An end, IC 2Input and IC 1An output link to each other IC 2Another input termination K 4A break of last group, IC 1Another output also meet K 4Another break of last group; Oven dry control circuit (11) is by solid-state relay IC 3, oven-dried condition shows light emitting diode D 11, button self-lock switch K 5Form; IC 3One of make and break contact terminates on the B phase line of three-phase alternating current stream power supply AC, IC 3The electric heating tube G of another termination drying circuit (3) of make and break contact 1An end, IC 3An input be connected on IC 1An output on, IC 3Another input be connected on K 5On last group the break, IC 2Another output also meet K 5On another break of last group.
2, the electrical heating of rock sample baking box according to claim 1 and controller for electric consumption is characterized in that R 2One terminate at G 1Meet on the end of three-phase alternating-current supply A phase line R 2Another termination D 2Positive pole, D 2Negative pole meet D 6Positive pole and D 3Negative pole, D 3Positive pole and D 6Negative pole meet G 1The other end.
3, the electrical heating of rock sample baking box according to claim 1 and controller for electric consumption is characterized in that R 3Another termination D 4Positive pole, D 4Negative pole meet D 5Negative pole and D 7Positive pole, D 5Positive pole and D 7Negative pole meet G 3The other end.
4, the electrical heating of rock sample baking box according to claim 1 and controller for electric consumption is characterized in that overtemperature alarm circuit (11) is by loudspeaker Y, resistance R 1, diode D 1, light emitting diode D 8, light emitting diode D 9Form R 1With D iPositive pole, D 1Negative pole and D 8Positive pole be connected in series, this series circuit is attempted by on the two ends of Y again, D 8Negative pole meet K 3Another break of last group and the end of Y, R 1Another termination B 1An end of 220V power supply and the other end of Y, D 9Positive pole be connected on K 3On following group the break, D 9Negative pole be connected on the ground end of D.C. regulated power supply (8).
5, the electrical heating of rock sample baking box according to claim 1 and controller for electric consumption is characterized in that D 10Positive pole be connected on K 4On following group the break, D 10Negative pole be connected on the ground end of D.C. regulated power supply (8).
6, the electrical heating of rock sample baking box according to claim 1 and controller for electric consumption is characterized in that D 11Positive pole be connected on K 5On following group the break, D 11Negative pole be connected on the ground end of D.C. regulated power supply (8).
7, the electrical heating of rock sample baking box according to claim 1 and controller for electric consumption is characterized in that the cathode output end E of D.C. regulated power supply (8) CBe connected on K 3, K 4, K 5On another break of following group.
CN 01271768 2001-11-26 2001-11-26 Electric heater and controller for rock sample oven Expired - Fee Related CN2506956Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01271768 CN2506956Y (en) 2001-11-26 2001-11-26 Electric heater and controller for rock sample oven

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Application Number Priority Date Filing Date Title
CN 01271768 CN2506956Y (en) 2001-11-26 2001-11-26 Electric heater and controller for rock sample oven

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CN2506956Y true CN2506956Y (en) 2002-08-21

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CN 01271768 Expired - Fee Related CN2506956Y (en) 2001-11-26 2001-11-26 Electric heater and controller for rock sample oven

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102869937A (en) * 2010-11-15 2013-01-09 日商纳慷泰克股份有限公司 Method and device for time-division control of drying device
CN103743206A (en) * 2013-12-16 2014-04-23 苏州立人听力器材有限公司 Sectionalized and time-spaced drying device for hearing-aid
CN103743205A (en) * 2013-12-16 2014-04-23 苏州立人听力器材有限公司 Electronic drying device for hearing-aid
CN107610425A (en) * 2017-09-26 2018-01-19 佛山市川东磁电股份有限公司 A kind of humidity sensor for industrial chemicals homogeneous

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102869937A (en) * 2010-11-15 2013-01-09 日商纳慷泰克股份有限公司 Method and device for time-division control of drying device
CN102869937B (en) * 2010-11-15 2015-04-08 日商纳慷泰克股份有限公司 Method and device for time-division control of drying device
CN103743206A (en) * 2013-12-16 2014-04-23 苏州立人听力器材有限公司 Sectionalized and time-spaced drying device for hearing-aid
CN103743205A (en) * 2013-12-16 2014-04-23 苏州立人听力器材有限公司 Electronic drying device for hearing-aid
CN103743206B (en) * 2013-12-16 2015-11-18 苏州立人听力器材有限公司 For the Cell and Time Distribution drying device of audiphone
CN103743205B (en) * 2013-12-16 2016-08-17 苏州立人听力器材有限公司 Electronic dry device for sonifer
CN107610425A (en) * 2017-09-26 2018-01-19 佛山市川东磁电股份有限公司 A kind of humidity sensor for industrial chemicals homogeneous

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C19 Lapse of patent right due to non-payment of the annual fee
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