CN100463322C - Three-phase heating system with abnormal detecting function and its detecting method - Google Patents
Three-phase heating system with abnormal detecting function and its detecting method Download PDFInfo
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- CN100463322C CN100463322C CNB2007100883438A CN200710088343A CN100463322C CN 100463322 C CN100463322 C CN 100463322C CN B2007100883438 A CNB2007100883438 A CN B2007100883438A CN 200710088343 A CN200710088343 A CN 200710088343A CN 100463322 C CN100463322 C CN 100463322C
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- phase heating
- power supply
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Abstract
The system includes relays and detection device. The relays are in use for turning on / off of heater in control system. Being connected to relays electrically, the detection device is in use for detecting whether there is abnormal state in relays. The detection device includes electrical contacts and diverter switches. Relay is connected to at least one electrical contact electrically, and diverter switch is connected to at least one electrical contact electrically. When detection device has detected that one relay is in abnormal condition, the diverter switch is triggered, and outputs detection signal to inform that abnormal condition occurs. The invention also discloses method for detecting abnormal condition of three phases heating system. The invention lets operator know abnormal condition of system expediently and quickly and carry out rehabilitation work in real time.
Description
Technical field
The invention relates to a kind of three-phase heating system and detection method thereof with abnormal detection function, and particularly relevant for a kind of three-phase heating system and detection method thereof of utilizing relay system to carry out abnormality detection.
Background technology
Generally in the relevant manufacturing technology steps of semiconductor, can use a heating system (as: three-phase heating system) (annea1) manufacturing process of annealing usually, be used to remove aqueous vapor or impurity, and make product itself that better physical characteristic be arranged.Please refer to Fig. 1, for illustrating the block schematic diagram of existing three-phase heating system.This three-phase heating system 100 comprises three phase mains 110, relay 120, heater 130, heating furnace 140, Temperature Detector 150 and temperature controller 160.Three phase mains 110 be in order to input voltage source to relay 120, for relay 120 running.Relay 120 is in order to the unlatching of control heater 130 or cuts out, and the action of heating by 130 pairs of heating furnaces 140 of heater.140 in heating furnace is detected by Temperature Detector 150, via Temperature Detector 150 detected temperature signal is sent in the temperature controller 160 again, by temperature controller 160 control relays 120, make relay 120 by this control heater 130 unlatching or close, and then keep temperature conditions in the heating furnace 140.
Please refer to Fig. 2, for illustrating the schematic diagram that relay and heater couple.Three relays 210 in the system are to couple mutually with leg-of-mutton connection, and relay 210 joins end to end in regular turn and connects in twos, and the point that will link to each other is respectively drawn three phase lines as three phase mains R, S, T.Three groups of 220 of heaters are to couple with relay 210 in twos respectively, and heat action by the control of relay 210, and wherein each assembly is the three-phase equilibrium state under normal condition.Yet owing to there is no the device of any detection relay 210 failure exceptions in the system, when therefore one of them was damaged when three relays 210, the three-phase equilibrium state promptly can be owed the situation of phase, made to heat fabrication process condition also thereby be affected.At this moment, can't discover in real time under the unusual situation the operator, the product of process heating manufacturing process does not just conform with the standard of original expection, has increased cost of manufacture indirectly yet.
Therefore, need a kind of three-phase heating system, have the function of abnormality detection, learn when being used in operation unusual situation takes place.
Summary of the invention
The objective of the invention is is providing a kind of three-phase heating system and detection method thereof with abnormal detection function, when being used for using the three-phase heating system carrying out product manufacture, can detecting and learn that situation and failure judgement that manufacturing process is unusual take place.
According to one embodiment of the invention, a kind of three-phase heating system with abnormal detection function is proposed.This system comprises a plurality of relays and a checkout gear.Relay is in order to the unlatching of heater in the control system or cuts out.Checkout gear is electrically coupled to relay, and whether abnormality is arranged in order to detect relay, and comprise a plurality of electrical contacts and and switch switch, its repeat circuit be electrically coupled to respectively electrical contact at least one of them, diverter switch then be electrically coupled to electrical contact at least one of them, and one of them is triggered when having abnormality and is switched to detect relay in checkout gear, is used to export a detection signal and informs the generation abnormality.
According to another embodiment of the present invention, a kind of unusual method of three-phase heating system that detects is proposed.The method comprises and detects relay with one and be electrically coupled in the three-phase heating system in order to open or to close a plurality of relays of heater; One power supply relay is electrically coupled to the detection relay; At a relay relay of detection trigger when having abnormality wherein to export a detection signal; Trigger power supply relay according to detection signal; Activate a unusual indicating device by power supply relay.
By three-phase heating system and the detection method thereof with abnormal detection function of the present invention, can owe the phase situation in three-phase heating system three characteristics of the middle term power supply, or the relay of internal system control heater switch is when being damaged, the real-time unusual situation of detection failure, avoid product to change original standard that do not meet because of temperature conditions, and can allow the operator more convenient, promptly learn system exception, carry out real-time repair for the operator.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, appended graphic being described in detail as follows:
Fig. 1 is the block schematic diagram that illustrates existing three-phase heating system.
Fig. 2 illustrates the schematic diagram that relay and heater couple.
Fig. 3 is the block schematic diagram that illustrates according to the three-phase heating system with abnormal detection function of one embodiment of the invention.
Fig. 4 is the joint construction schematic diagram that illustrates according to testing circuit in the three-phase heating system of one embodiment of the invention.
Fig. 5 is the schematic diagram that illustrates detection relay as shown in Figure 4.
Fig. 6 is the flow chart that illustrates according to the method for the detection three-phase heating system of one embodiment of the invention.
Drawing reference numeral:
100,300: three-phase heating system 380: output processing apparatus
110,310: three phase mains 430: detect relay
120,210,320,410: relay 440: power supply relay
130,220,330,420: heater 450: unusual indicating device
140,340: heating furnace 460: fault detector
150,350: Temperature Detector 470: reset switch
160,360: temperature controller 600～608: step
370: checkout gear SW1, SW2, SW3: diverter switch
Embodiment
Please refer to Fig. 3, for illustrating block schematic diagram according to the three-phase heating system with abnormal detection function of one embodiment of the invention.In this three-phase heating system 300, three phase mains 310 be in order to input voltage source to relay 320, for relay 320 running.Relay 320 is in order to the unlatching of control heater 330 or cuts out, and the action of heating by 330 pairs of heating furnaces 340 of heater.340 in heating furnace is detected by Temperature Detector 350, via Temperature Detector 350 detected temperature signal is sent in the temperature controller 360 again, by temperature controller 360 control relays 320, make relay 320 by this control heater 330 unlatching or close, and then keep temperature conditions in the heating furnace 340.In addition, also have a testing circuit in the three-phase heating system 300, whether break down unusually in order to detect relay 320.This testing circuit comprises a checkout gear 370 and an output processing apparatus 380, and wherein checkout gear 370 is the situations that whether break down in order to differentiation relay 320, and output processing apparatus 380 then is that the display abnormality index signal is for operator's interpretation.
Please refer to Fig. 4, for illustrating joint construction schematic diagram according to testing circuit in the three-phase heating system of one embodiment of the invention.In the present embodiment, three relays 410 in the system are to couple mutually with leg-of-mutton connection, and relay 410 joins end to end in regular turn and connects in twos, and the point that will link to each other is respectively drawn three phase lines as three phase mains R, S, T.Three groups of 420 of heaters are to couple with relay 410 in twos respectively, and heat action by the control of relay 410, and wherein each assembly is the three-phase equilibrium state under normal condition.In addition, also use one to detect relay 430 and a power supply relay 440 uses as checkout gear and output processing apparatus respectively, wherein detect relay 430 and can be one and owe to detect mutually protection relay.Detect relay 430 and be electrically coupled to three relays 410 respectively, and whether unusual state is arranged in order to detect relay 410, power supply relay 440 then is to be electrically coupled to detect a relay 430 and a unusual indicating device 450, and according to detecting the unusual indicating device 450 of relay 430 detected signal activations, be used for the interpretation for the operator, wherein unusual indicating device 450 can be a buzzer or an indicator light.
Fig. 5 is the schematic diagram that illustrates detection relay as shown in Figure 4.Please be simultaneously with reference to Fig. 4 and Fig. 5, detect and include several electrical contacts and a switching switch SW 1 in the relay 430, wherein three relays 410 are electrically coupled to the electrical contact that detects in the relay 430 respectively, and diverter switch SW1 also is electrically coupled to electrical contact, and when detecting relay 430 and detect one of them relay 410 and have abnormality, triggered and switched, inform the generation abnormality to export a detection signal DS, and detection signal DS is transferred in the power supply relay 440.440 comprise two diverter switch SW2 and SW3 in the power supply relay, be electrically coupled to respectively and detect relay 430, wherein diverter switch SW2 also is electrically coupled to unusual indicating device 450, and switch when detection signal DS that relay 430 exported triggers being subjected to detecting, to activate unusual indicating device 450 confession operator interpretations.Diverter switch SW3 switches when detection signal DS that relay 430 exported triggers being subjected to detecting equally, form a self-holding circuit simultaneously, the triggering signal that makes diverter switch SW3 be exported after switching is resent to diverter switch SW3 itself, to keep the state after diverter switch SW3 switches.
In addition, also can comprise a fault detector 460 and a reset switch 470 in the system.Fault detector 460 is in order to be electrically coupled to diverter switch SW3, and do to switch the back at diverter switch SW3 and activate by diverter switch SW3, and because diverter switch SW3 keeps the state after the switching in self-holding circuit, make fault detector 460 sustainable being activated, for operator's interpretation.470 of reset switch are to be arranged in the formed self-holding circuit of diverter switch SW3, treat that the operator gets rid of fault after, use with the replacement self-holding circuit for the operator, make diverter switch SW3 return back to original state of switching not as yet.
Please refer to Fig. 6, for illustrating flow chart according to the method for the detection three-phase heating system of one embodiment of the invention.At first, be electrically coupled in the three-phase heating system in order to opening or to close the relay of heater, differentiate the relay of control heater and whether have the situation of failure exception that (step 600) takes place by detecting relay with detecting relay.Then, power supply relay is electrically coupled to the detection relay, in order to receive by detecting the detection signal (step 602) that relay is exported.Then, detection trigger relay when a relay therein has abnormality is informed generation abnormality (step 604) by detecting the relay output detection signal.Afterwards, again according to detecting the detection signal triggering power supply relay (step 606) that relay is exported.At last, be subjected to triggering the back at power supply relay and activate unusual indicating device, for operator's interpretation (step 608) by power supply relay.
In addition, also power supply relay design can be formed a self-holding circuit, make the state of power supply relay after being subjected to keeping switching after detection signal triggers.Moreover, also a fault detector can be electrically coupled to power supply relay and be subjected to triggering the back and activate fault detector by power supply relay at power supply relay, and because power supply relay is kept the state after the switching in self-holding circuit, making that fault detector is sustainable is activated, for operator's interpretation.In addition, also a reset switch can be electrically coupled to power supply relay, and be located in the self-holding circuit of power supply relay formation, use with the replacement self-holding circuit for the operator, and make power supply relay return back to the state that does not switch as yet.
By the embodiment of the invention described above as can be known, three-phase heating system and detection method thereof with abnormal detection function of the present invention can be owed the phase situation in three-phase heating system three characteristics of the middle term power supply, or the relay of internal system control heater switch is when being damaged, in order to the unusual situation of real-time detection failure, avoid product to change original standard that do not meet because of temperature conditions, and can allow the operator more convenient, promptly learn system exception, carry out real-time repair for the operator.。
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (15)
1. three-phase heating system with abnormal detection function is characterized in that this system comprises:
A plurality of relays are in order to the unlatching of heater in the control system or cut out; And
One checkout gear is electrically coupled to described relay and in order to detect described relay whether abnormality is arranged, and this checkout gear comprises:
A plurality of electrical contacts, described relay be electrically coupled to respectively described electrical contact at least one of them; And
One switches switch, be electrically coupled to described electrical contact at least one of them, and one of them is triggered when having abnormality and is switched to detect described relay in described checkout gear, is used to export a detection signal and informs the generation abnormality.
2. three-phase heating system as claimed in claim 1 is characterized in that, this system also comprises:
One power supply relay is electrically coupled to described checkout gear, and according to this detection signal to activate a unusual indicating device.
3. three-phase heating system as claimed in claim 2 is characterized in that, described diverter switch is that one of them does when having abnormality to switch and transmit described detection signal to described power supply relay detecting described relay.
4. three-phase heating system as claimed in claim 2 is characterized in that, described power supply relay comprises one second diverter switch, is electrically coupled to described checkout gear, and switches according to described detection signal, to activate described unusual indicating device.
5. three-phase heating system as claimed in claim 4, it is characterized in that, described power supply relay also comprises one the 3rd diverter switch, be electrically coupled to described checkout gear, and switch according to described detection signal, and form a self-holding circuit, make the 3rd diverter switch keep the state after the switching.
6. three-phase heating system as claimed in claim 5 is characterized in that this system also comprises a fault detector, is electrically coupled to described the 3rd diverter switch, and does to switch the back in the 3rd diverter switch and activate.
7. three-phase heating system as claimed in claim 5 is characterized in that this system also comprises a reset switch, is electrically coupled to described the 3rd diverter switch, makes the 3rd diverter switch return back to the state that does not switch as yet in order to reset described self-holding circuit.
8. three-phase heating system as claimed in claim 1 is characterized in that, described checkout gear is to owe to detect mutually protection relay.
9. three-phase heating system as claimed in claim 2 is characterized in that, described unusual indicating device is a buzzer or an indicator light.
10. one kind is detected the unusual method of three-phase heating system, it is characterized in that this method comprises:
Detecting relay with one is electrically coupled in the three-phase heating system in order to open or to close a plurality of relays of heater;
One power supply relay is electrically coupled to described detection relay;
Trigger described detection relay when one of them has abnormality at described relay to export a detection signal;
Trigger described power supply relay according to this detection signal; And
Activate a unusual indicating device by this power supply relay.
11. the unusual method of detection three-phase heating system as claimed in claim 10 is characterized in that this method also comprises:
Make described power supply relay form a self-holding circuit, so that the state of described power supply relay after being subjected to keeping switching after described detection signal triggers.
12. the unusual method of detection three-phase heating system as claimed in claim 11 is characterized in that this method also comprises:
One fault detector is electrically coupled to described power supply relay, continues to be activated when making the state of this fault detector after this power supply relay is kept switching.
13. the unusual method of detection three-phase heating system as claimed in claim 11 is characterized in that this method also comprises:
One reset switch is electrically coupled to described power supply relay, and makes this power supply relay return back to as yet the state that does not switch by this reset switch described self-holding circuit of resetting.
14. the unusual method of detection three-phase heating system as claimed in claim 10 is characterized in that described detection relay is to owe to detect mutually protection relay.
15. the unusual method of detection three-phase heating system as claimed in claim 10 is characterized in that described unusual indicating device is a buzzer or an indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100883438A CN100463322C (en) | 2007-03-16 | 2007-03-16 | Three-phase heating system with abnormal detecting function and its detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100883438A CN100463322C (en) | 2007-03-16 | 2007-03-16 | Three-phase heating system with abnormal detecting function and its detecting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101026296A CN101026296A (en) | 2007-08-29 |
| CN100463322C true CN100463322C (en) | 2009-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100883438A Expired - Fee Related CN100463322C (en) | 2007-03-16 | 2007-03-16 | Three-phase heating system with abnormal detecting function and its detecting method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427613A (en) * | 2011-08-19 | 2012-04-25 | 宁波市万泓电器科技有限公司 | Electronically controlled multi-level protection system for heating unit |
| CN102954556B (en) * | 2011-08-23 | 2015-03-18 | 珠海格力电器股份有限公司 | Electric heater control circuit and air conditioner with same |
| CN107065827A (en) * | 2017-03-24 | 2017-08-18 | 国网福建省电力有限公司 | Digital three-phase temperature controller p-wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10125459A (en) * | 1996-10-25 | 1998-05-15 | Sharp Corp | Microwave oven |
| JPH10270151A (en) * | 1997-03-27 | 1998-10-09 | Canon Inc | Heating apparatus |
| CN2570837Y (en) * | 2002-07-05 | 2003-09-03 | 吴淑姿 | Electric blanket |
| CN1645158A (en) * | 2004-01-15 | 2005-07-27 | 欧姆龙株式会社 | Fault inspecting device |
| US20050275993A1 (en) * | 2004-06-15 | 2005-12-15 | Phillips Terry G | System and method for detecting failure of a relay based circuit |
-
2007
- 2007-03-16 CN CNB2007100883438A patent/CN100463322C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10125459A (en) * | 1996-10-25 | 1998-05-15 | Sharp Corp | Microwave oven |
| JPH10270151A (en) * | 1997-03-27 | 1998-10-09 | Canon Inc | Heating apparatus |
| CN2570837Y (en) * | 2002-07-05 | 2003-09-03 | 吴淑姿 | Electric blanket |
| CN1645158A (en) * | 2004-01-15 | 2005-07-27 | 欧姆龙株式会社 | Fault inspecting device |
| US20050275993A1 (en) * | 2004-06-15 | 2005-12-15 | Phillips Terry G | System and method for detecting failure of a relay based circuit |
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| CN101026296A (en) | 2007-08-29 |
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Granted publication date: 20090218 Termination date: 20210316 |