CN201971921U - Temperature control system for polycrystalline silicon ingot furnace - Google Patents
Temperature control system for polycrystalline silicon ingot furnace Download PDFInfo
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- CN201971921U CN201971921U CN2010206888466U CN201020688846U CN201971921U CN 201971921 U CN201971921 U CN 201971921U CN 2010206888466 U CN2010206888466 U CN 2010206888466U CN 201020688846 U CN201020688846 U CN 201020688846U CN 201971921 U CN201971921 U CN 201971921U
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- polycrystalline silicon
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- temperature control
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Abstract
The utility model discloses a temperature control system for a polycrystalline silicon ingot furnace. The temperature control system comprises two temperature control temperature sensors, two switches, an amplifying circuit, an analogue to digital (A/D) converter, a programmable logic controller (PLC), a graphite heater, an industrial computer and a temperature control temperature sensor alarm circuit, wherein the two temperature control temperature sensors are connected with the amplifying circuit through a switch respectively; the amplifying circuit is connected with the A/D converter; the A/D converter is connected with the PLC; the PLC is connected with the industrial computer, the graphite heater and the temperature control temperature sensor alarm circuit; and the two temperature control temperature sensors are arranged in an equivalent temperature area in an upper furnace body of the ingot furnace. Due the adoption of the polycrystalline silicon ingot furnace, the occurrence of the state in which the internal temperature of the furnace is uncontrollable is avoided, the safety of the ingot furnace in the ingot casting process is ensured, and the quality of silicon ingots is protected.
Description
Technical field
The utility model relates to a kind of polycrystalline silicon ingot or purifying furnace temperature controlling system.
Background technology
The current polycrystalline silicon ingot casting that is used for the sun power industry adopts directional solidification technique more.Polycrystalline silicon raw material is heated to certain temperature in ingot furnace, make it all become molten state, realizes heat exchange from crucible bottom then, makes the molten silicon inside in the crucible form a vertical temperature gradient.This gradient makes the silicon material in the crucible begin crystallization from the bottom, realizes from the melt bottom to the progressively long brilliant process in top.In whole ingot casting process, temperature-control heat couple plays important effect, temperature in its control stove, and in a single day it damage, and temperature is uncontrolled in the stove, and ingot furnace will be in the state of comparison danger, also will have a strong impact on the quality of silicon ingot.Current, the temperature controlling system of all ingot furnace producers all disconnects warning circuit by temperature-control heat couple, amplifying circuit, A/D converter, PLC controller, graphite heater, industrial computer and thermopair and forms.Temperature-control heat couple induction furnace cavity temperature, when furnace chamber temperature is higher than the design temperature scope, its signal sends the PLC controller to by amplifying circuit and A/D converter, the PLC controller sends industrial computer to, after handling by industrial computer, return controller to PLC, make PLC controller control graphite heater reduce heating power, temperature is lower than design temperature in stove, its signal sends the PLC controller to by amplifying circuit and A/D converter, the PLC controller sends industrial computer to, after being handled by industrial computer, returns the controller to PLC, make PLC controller control graphite heater improve heating power, temperature remains on the design temperature scope in the stove thereby make, and thermal field is changed to high-quality silicon ingot assurance is provided stably, the danger when also having reduced the high temperature ingot casting.But the temperature controlling system of existing ingot furnace all adopts a temperature-control heat couple as the temp-controlling element in the whole ingot casting process, in case temperature-control heat couple goes wrong, ingot furnace just is in the state of comparison danger, the instant heating runaway condition, and jiggly thermal field will have a strong impact on the quality of silicon ingot, especially need urgent blowing out cooling after temperature-control heat couple goes wrong, when changing thermopair again, bigger to silicon ingot crystalline quality in the stove and body of heater security implication, not only cause great financial loss, but also greatly reduce production efficiency.
Summary of the invention
The purpose of this utility model is exactly to solve now with the problems referred to above that exist in the technology; a kind of polycrystalline silicon ingot or purifying furnace temperature controlling system is provided; use the polycrystalline silicon ingot or purifying furnace of this temperature controlling system; avoided the generation of the uncontrolled state of temperature in the stove; guaranteed that ingot furnace in the ingot casting process safe, protected the quality of silicon ingot.
For finishing above-mentioned purpose, technical solution of the present utility model is: a kind of polycrystalline silicon ingot or purifying furnace temperature controlling system, and it comprises two control temperature transmitters, two switches, amplifying circuit, A/D converter, PLC controller, graphite heater, industrial computer and control temperature transmitter warning circuits; Two control temperature transmitters connect amplifying circuit by a switch respectively; Amplifying circuit connects A/D converter, A/D converter connects PLC controller, PLC controller connection industrial computer, also connects graphite heater and temperature sensor warning circuit; Two control temperature transmitters are installed in the interior equivalent temperature district of ingot furnace upper furnace body.
Above-mentioned described switch is a Mgs, and the control end of Mgs is connected on the PLC controller.Like this, after the control temperature transmitter of work damaged, the PLC controller was controlled the Mgs of this control temperature transmitter and is opened, and closes the Mgs of standby control temperature transmitter simultaneously, and standby control temperature transmitter is devoted oneself to work.
Above-mentioned described switch also can be regular hand tap, and it is not connected with the signal output part of PLC controller, adopts manual open and close to get final product.
Above-mentioned described control temperature transmitter is a temperature-control heat couple.
Because the utility model has adopted two control temperature transmitters that are installed in the equivalent temperature district in the ingot furnace upper furnace body, one of them control temperature working sensor, another control temperature transmitter is standby.After the control temperature transmitter of work damaged, its control temperature transmitter warning circuit was reported to the police, and simultaneously, opens the switch of this control temperature transmitter, closes another switch, makes the backup temperature working sensor, made the temperature controlling system still can works better.Like this, after one of them damages when the control temperature transmitter, need not shut down and just can start another and devote oneself to work; Keep in repair or change the control temperature transmitter of damage after the ingot casting EP (end of program) again; do not influence the normal operation of ingot furnace; avoided the generation of the uncontrolled state of temperature in the stove, guaranteed that ingot furnace in the ingot casting process safe, protected the quality of silicon ingot.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the installation site synoptic diagram of two thermopairs of the present utility model in ingot furnace.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
As depicted in figs. 1 and 2, present embodiment comprises that 1,2, two Mgs of two temperature-control heat couple, amplifying circuit, A/D converter, PLC controller, graphite heater, industrial computer and thermopair disconnect warning circuit.Two temperature- control heat couple 1,2 connect amplifying circuit by a Mgs respectively; Amplifying circuit connects A/D converter, A/D converter connects PLC controller, PLC controller connection industrial computer, and the Mgs and the thermopair that also connect graphite heater, two temperature- control heat couple 1,2 disconnect warning circuit.Two temperature- control heat couple 1,2 are vertically inserted in the equivalent temperature district of upper furnace body inside by the open holes on the upper furnace body 3, and with upper furnace body 3 on the open holes sealing and fixing.The open holes of the temperature-control heat couple of ingot furnace upper furnace body open the open holes distance of center circle from the position of edge 12-14cm of bell 4.5 is the body of heater interior heater; 6 is body of heater indirect heating electrode.
Above-mentioned described Mgs also can be used regular hand tap, and it is not connected with the signal output part of PLC controller, adopts manual open and close to get final product.
Claims (4)
1. polycrystalline silicon ingot or purifying furnace temperature controlling system, it comprises control temperature transmitter, amplifying circuit, A/D converter, PLC controller, graphite heater, industrial computer and control temperature transmitter warning circuit; Amplifying circuit connects A/D converter, A/D converter connects PLC controller, PLC controller connection industrial computer, also connects graphite heater and control temperature transmitter warning circuit; It is characterized in that: temperature controlling system also comprises two switches, and the control temperature transmitter is two; Two control temperature transmitters connect amplifying circuit by a switch respectively; Two control temperature transmitters are installed in the equivalent temperature district in the ingot furnace upper furnace body.
2. polycrystalline silicon ingot or purifying furnace temperature controlling system according to claim 1 is characterized in that: described switch is a Mgs, and the control end of Mgs is connected on the PLC controller.
3. polycrystalline silicon ingot or purifying furnace temperature controlling system according to claim 1 is characterized in that: described switch is a regular hand tap.
4. according to claim 1 or 2 or 3 described polycrystalline silicon ingot or purifying furnace temperature controlling systems, it is characterized in that: described control temperature transmitter is a temperature-control heat couple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206888466U CN201971921U (en) | 2010-12-30 | 2010-12-30 | Temperature control system for polycrystalline silicon ingot furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206888466U CN201971921U (en) | 2010-12-30 | 2010-12-30 | Temperature control system for polycrystalline silicon ingot furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201971921U true CN201971921U (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010206888466U Expired - Fee Related CN201971921U (en) | 2010-12-30 | 2010-12-30 | Temperature control system for polycrystalline silicon ingot furnace |
Country Status (1)
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| CN (1) | CN201971921U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554393A (en) * | 2011-12-15 | 2012-07-11 | 台达电子企业管理（上海）有限公司 | Automatic tin adding device and control method thereof |
| CN102605424A (en) * | 2012-03-06 | 2012-07-25 | 浙江宏业新能源有限公司 | Control system for polysilicon ingot furnace and control method |
| CN102677165A (en) * | 2012-04-13 | 2012-09-19 | 浙江精功科技股份有限公司 | Detecting method and corresponding detecting device of ingot molten state of polycrystalline silicon ingot furnace |
| CN104439204A (en) * | 2014-12-09 | 2015-03-25 | 广西大学 | Metal mold casting and molding device based on ultrasonic waves |
| CN107632261A (en) * | 2016-07-18 | 2018-01-26 | 大众汽车有限公司 | For the method and apparatus at least one state parameter for determining power storage element |
| CN107885249A (en) * | 2017-11-10 | 2018-04-06 | 徐州华瑞机械锻造有限公司 | A kind of furnace temperature control method |
| CN109654898A (en) * | 2018-12-19 | 2019-04-19 | 天津滨海通达动力科技有限公司 | A kind of heating furnace temperature control system and method |
-
2010
- 2010-12-30 CN CN2010206888466U patent/CN201971921U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554393A (en) * | 2011-12-15 | 2012-07-11 | 台达电子企业管理（上海）有限公司 | Automatic tin adding device and control method thereof |
| CN102554393B (en) * | 2011-12-15 | 2015-09-23 | 台达电子企业管理（上海）有限公司 | Automatic tin feeding device and control method thereof |
| CN102605424A (en) * | 2012-03-06 | 2012-07-25 | 浙江宏业新能源有限公司 | Control system for polysilicon ingot furnace and control method |
| CN102677165A (en) * | 2012-04-13 | 2012-09-19 | 浙江精功科技股份有限公司 | Detecting method and corresponding detecting device of ingot molten state of polycrystalline silicon ingot furnace |
| CN104439204A (en) * | 2014-12-09 | 2015-03-25 | 广西大学 | Metal mold casting and molding device based on ultrasonic waves |
| CN107632261A (en) * | 2016-07-18 | 2018-01-26 | 大众汽车有限公司 | For the method and apparatus at least one state parameter for determining power storage element |
| US11340303B2 (en) | 2016-07-18 | 2022-05-24 | Volkswagen Ag | Method and device for determining at least one state variable of a storage element for electrical energy |
| CN107885249A (en) * | 2017-11-10 | 2018-04-06 | 徐州华瑞机械锻造有限公司 | A kind of furnace temperature control method |
| CN109654898A (en) * | 2018-12-19 | 2019-04-19 | 天津滨海通达动力科技有限公司 | A kind of heating furnace temperature control system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LIGHT WAY GREEN NEW ENERGY SHARES CO., LTD. Free format text: FORMER NAME: LIGHT WAY GREEN NEW ENERGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 074000 new industrial zone of Hebei, Gaobeidian Province, light green new energy Limited by Share Ltd Patentee after: Lightway Green New Energy Co.,Ltd. Address before: 074000 Gaobeidian Hebei new industrial zone light green new energy Co., Ltd. Patentee before: Lightway Green New Energy Co.,Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 074000 new industrial zone of Hebei, Gaobeidian Province, light green new energy Limited by Share Ltd Patentee after: Guangwei Green Energy Technology Co.,Ltd. Address before: 074000 new industrial zone of Hebei, Gaobeidian Province, light green new energy Limited by Share Ltd Patentee before: Lightway Green New Energy Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160715 Address after: 074000, Baoding City, Hebei province Gaobeidian City Road on the north side of the west side of prosperous street Patentee after: BAODING LIGHTWAY GREEN ENERGY TECHNOLOGY CO.,LTD. Address before: 074000 new industrial zone of Hebei, Gaobeidian Province, light green new energy Limited by Share Ltd Patentee before: Guangwei Green Energy Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20181230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |