CN201766345U - Overheat protection device of photovoltaic polycrystalline silicon ingot furnace - Google Patents
Overheat protection device of photovoltaic polycrystalline silicon ingot furnace Download PDFInfo
- Publication number
- CN201766345U CN201766345U CN2010205021730U CN201020502173U CN201766345U CN 201766345 U CN201766345 U CN 201766345U CN 2010205021730 U CN2010205021730 U CN 2010205021730U CN 201020502173 U CN201020502173 U CN 201020502173U CN 201766345 U CN201766345 U CN 201766345U
- Authority
- CN
- China
- Prior art keywords
- thermocouple
- temperature
- overheat protection
- furnace
- temperature controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 230000001012 protector Effects 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 1
- 238000010792 warming Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000001172 regenerating effect Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Silicon Compounds (AREA)
Abstract
The utility model relates to an overheat protection device of a photovoltaic polycrystalline silicon ingot furnace, which belongs to the technical field of overheat protection automation of photovoltaic polycrystalline silicon ingot furnace. The overheat protection device comprises an overheat protection thermocouple, a temperature-control measuring thermocouple, a temperature controller, a switching value output module, a heating contactor, an audible and visual alarm and an alarming resetting button, wherein the overheat protection thermocouple extends into a furnace chamber, the temperature-control measuring thermocouple extends into a heat insulation hook, the temperature-control measuring thermocouple and the overheat protection thermocouple are respectively connected with a temperature controller, an output end of the temperature controller is connected with an input end of the switching value output module, an output end of the switching value output module is connected with a control coil signal input end of the heating contactor, an output end of an alternating-current power source supplies power for a heater in the furnace chamber through the heating contactor, and both of the audible and visual alarm and the alarming resetting button are connected with the temperature controller. The overheat protection device has the advantages of simple operation, capability of increasing overheat detection accuracy and the like, can automatically switch off the alternating-current power source, and achieves the purpose of protecting the ingot furnace.
Description
Technical field
The utility model belongs to the overheat protector technical field of automation of photovoltaic polycrystalline silicon ingot or purifying furnace, relates to photovoltaic polycrystalline silicon ingot or purifying furnace over-temperature protection device.
Background technology
Solar energy is most important basic power source in the various regenerative resources, and biomass energy, wind energy, oceanic energy, water energy etc. are all from solar energy, and in a broad sense, solar energy comprises above various regenerative resource.Solar energy is a kind of as regenerative resource, then is meant the direct conversion and the utilization of solar energy.By conversion equipment solar radiant energy is converted to the solar energy utilization technique that belongs to of heat energy utilization, utilize the solar energy thermal-power-generating that is called that heat energy generates electricity again; Belong to the solar energy generation technology to what solar radiant energy converted utilization of power to by photoelectric conversion device, photoelectric conversion device normally utilizes the photovoltaic effect principle of semiconductor device (solar cell) to carry out opto-electronic conversion, therefore claims solar-photovoltaic technology again.
The United Nations has held a series of summit meetings that have the various countries leader to participate in, and discussion and formulation world's solar energy strategical planning, international solar energy pact are set up international solar energy fund etc., promote the development and use of global solar and regenerative resource.Development and use solar energy and regenerative resource become a big theme and the common action of international community, become the important content that various countries formulate the strategy of sustainable development.In State Commission for Restructuring the Economic Systems is listed research and development solar energy and renewable energy technologies always by Chinese Government, has promoted the development of solar energy and renewable energy technologies and industry greatly.Solar utilization technique is being researched and developed, is being commercially produced, all obtaining tremendous development aspect the market development, becomes fast, one of the new industry of stable development.
Because silicon materials account for the overwhelming majority in the solar cell cost, the cost that reduces silicon materials is the key of photovoltaic application.The polycrystalline silicon ingot casting technology is one of important channel that reduces the solar cell cost, and this technology has been saved expensive crystal-pulling process, also can use than the silicon of low-purity and make to throw furnace charge, and material and power consumption aspect are all economized.Casting ingot process mainly contains two kinds of directional solidification method and casting methods.Directional solidification method is that the silicon material is placed in the crucible in addition fusion, and the hoisting velocity of controlling stay-warm case then forms low-temperature receiver to cause certain temperature gradient from crucible bottom, makes solid liquid interface move up and form crystal ingot from crucible bottom.
At present, photovoltaic polycrystalline silicon ingot or purifying furnace overheat protector is mainly measured the temperature of thermocouple measurement polycrystalline silicon ingot or purifying furnace heater by temperature control, and it is single to have a measurement space, can not react the actual temperature of furnace chamber inside.What temperature control was measured the thermocouple detection is the temperature of stay-warm case internal heater, causes thermocouple fragile because of heter temperature is too high.
Summary of the invention
The purpose of this utility model is for overcoming the weak point of prior art, proposing a kind of device of photovoltaic polycrystalline silicon ingot or purifying furnace overheat protector.The utility model purport is to establish a temperature control to measure thermocouple in order to measure the actual temperature in the stay-warm case on body of heater; other establishes an overheat protector thermocouple in order to measure the actual temperature of (between body of heater and the warming plate) in the furnace chamber, really realizes photovoltaic polycrystalline silicon ingot or purifying furnace overheat protector.The utility model has been realized the direct detection of furnace chamber excess temperature, has the advantage of quick judgement stove excess temperature, has improved the reliability of ingot furnace.
The photovoltaic polycrystalline silicon ingot or purifying furnace over-temperature protection device that the utility model proposes; it is characterized in that this device comprises overheat protector thermocouple, temperature control measurement thermocouple, temperature controller, switching value output module, heating contactor, audible-visual annunciator and warning involution button.Wherein, the overheat protector thermocouple is arranged on the body of heater and passes the furnace wall and reaches in the furnace chamber, is used to measure the temperature in furnace chamber (in the body of heater and the outer space of warming plate); Temperature control measurement thermocouple is arranged on the body of heater and passes the furnace wall and reaches in the stay-warm case; be used to measure the temperature in the stay-warm case; temperature control is measured the output of thermocouple, the output of overheat protector thermocouple is connected with the input of temperature controller respectively; the output of temperature controller is connected with the input of switching value output module, and the output of switching value output module links to each other with the control coil signal input part of heating contactor.The output of AC power is by heating contactor to the heating installation power supply in the furnace chamber; Audible-visual annunciator all is connected with temperature controller with warning involution button.
Characteristics of the present utility model and beneficial effect:
Characteristics of the present utility model are to establish a temperature control to measure thermocouple in order to measure the actual temperature in the stay-warm case on body of heater, the temperature of (between body of heater and the warming plate) in the overheat protector thermocouple measurement ingot furnace furnace chamber that is provided with on body of heater, temperature control are measured thermocouple, the overheat protector thermocouple is transferred to temperature controller with the temperature data that detects; Find the temperature that is detected when temperature controller and surpass the ingot furnace autoprotection set point upper limit (each ingot furnace all has the temperature protection set point upper limit); the order of output switching value is removed tripping operation heating contactor by the switching value output module; automatically the AC power of breaking reaches the purpose of protection ingot furnace.
The utlity model has simple to operate, excess temperature and detect characteristics such as accuracy raising.This over-temperature protection device can make the tripping operation of heating contactor according to the temperature value that is provided with, and the AC power of breaking automatically reaches the purpose of protecting ingot furnace.
Description of drawings
Fig. 1 is a photovoltaic polycrystalline silicon ingot or purifying furnace over-temperature protection device structured flowchart of the present utility model;
Fig. 2 is a photovoltaic polycrystalline silicon ingot or purifying furnace over-temperature protection device example structure schematic diagram of the present utility model;
Embodiment
The photovoltaic polycrystalline silicon ingot or purifying furnace over-temperature protection device that the utility model proposes reaches embodiment in conjunction with the accompanying drawings and is described in detail as follows:
Photovoltaic polycrystalline silicon ingot or purifying furnace over-temperature protection device structure of the present utility model as shown in Figure 1.
This device comprises overheat protector thermocouple, temperature control measurement thermocouple, temperature controller, switching value output module, heating contactor, audible-visual annunciator and warning involution button.Wherein, the overheat protector thermocouple is arranged on the body of heater and passes the furnace wall and reaches in the furnace chamber, is used to measure the temperature in furnace chamber (in the body of heater and the outer space of warming plate); Temperature control measurement thermocouple is arranged on the body of heater and passes the furnace wall and reaches in the stay-warm case; be used to measure the temperature in the stay-warm case; temperature control is measured the output of thermocouple, the output of overheat protector thermocouple is connected with the input of temperature controller respectively; the output of temperature controller is connected with the input of switching value output module, and the output of switching value output module links to each other with the control coil signal input part of heating contactor.The output of AC power is by heating contactor to the heating installation power supply in the furnace chamber; Audible-visual annunciator all is connected with temperature controller with warning involution button.
Operation principle of the present utility model:
Temperature control is measured thermocouple, the overheat protector thermocouple is transferred to temperature controller with the temperature data that detects; (each ingot furnace all has the temperature protection set point when temperature controller finds the temperature that is detected to surpass ingot furnace autoprotection set point; temperature control is measured the measured value correspondence temperature protection set point separately of thermocouple and overheat protector thermocouple; the measured value of measuring thermoelectric occasionally overheat protector thermocouple when temperature control surpasses temperature protection set point separately, then is judged to be the stove excess temperature.), just by control signal of switching value output module output, making the tripping operation of heating contactor, the AC power of breaking automatically makes heater stop heating, reaches the purpose of protection ingot furnace.
The simultaneous temperature controller is connected audible-visual annunciator and is sent sound and light alarm information.After audible-visual annunciator is finished warning, use warning involution button that reset signal is passed to temperature controller and carry out ann reset.
The utility model adopts temperature control to measure thermocouple and has realized the interior temperature protection of ingot furnace stay-warm case, and the overheat protector thermocouple has been realized (between body of heater and the warming plate) overheat protector in the ingot furnace furnace chamber.Have simple to operate, excess temperature and detect characteristics such as accuracy raising.This over-temperature protection device can make the tripping operation of heating contactor according to the temperature value that is provided with, and the AC power of breaking automatically reaches the purpose of protecting ingot furnace.
The above-mentioned course of work realizes by the temperature control program that is installed in advance in the temperature controller, and this control program is compiled for those skilled in the art adopt conventional programming instrument and technology.
Photovoltaic polycrystalline silicon ingot or purifying furnace over-temperature protection device of the present utility model as shown in Figure 2.This device comprises: temperature control is measured thermocouple 2, overheat protector thermocouple 3, and temperature controller, switching value output module, heating contactor, audible-visual annunciator and warning involution button (all not illustrating in the drawings).Wherein, the overheat protector thermocouple is installed on the body of heater and the hole and the sealing ring that pass on the body of heater 1 enter in the body of heater, is positioned at the top of warming plate 4, is used to measure the temperature of furnace chamber (in the body of heater with the outer space of warming plate) 6; Temperature control is measured thermocouple 2 and is installed on the body of heater and the hole and the sealing ring that pass on the body of heater 1 enter in the body of heater, and passes warming plate 4 and enter in the stay-warm case, is positioned at the top of heater 5, is used to measure the temperature in the stay-warm case.
The output that overheat protector thermocouple, temperature control are measured thermocouple is connected with the input of temperature controller; the output of temperature controller is connected with the input of switching value output module, and the output of switching value output module links to each other with the control coil signal input part of heating contactor.The output of AC power is by heating contactor to the heating installation power supply in the furnace chamber; Audible-visual annunciator all is connected with temperature controller with warning involution button.
The specific embodiment of each parts of this device for carrying out said is respectively described below:
Temperature controller: adopt the PM6L2EJ series of products;
Switching value output module: adopt the RY2S-ULDC24V product;
Overheat protector thermocouple and temperature control are measured thermocouple: adopt R type thermocouple product;
Audible-visual annunciator: adopt the 855PD-B24MEC1422 alarm;
Warning involution button: adopt 800TC-FXTQH10RA involution button;
Heating contactor: adopt A260-30-11-220-230V heating contactor.
Claims (1)
1. photovoltaic polycrystalline silicon ingot or purifying furnace over-temperature protection device is characterized in that, this device comprises overheat protector thermocouple, temperature control measurement thermocouple, temperature controller, switching value output module, heating contactor, audible-visual annunciator and warning involution button; Wherein, the overheat protector thermocouple is arranged on the body of heater and passes the furnace wall and reaches in the furnace chamber, temperature control measurement thermocouple is arranged on the body of heater and passes the furnace wall and reaches in the stay-warm case, temperature control is measured the output of thermocouple, the output of overheat protector thermocouple is connected with the input of temperature controller respectively, the output of temperature controller is connected with the input of switching value output module, and the output of switching value output module links to each other with the control coil signal input part of heating contactor; The output of AC power is by heating contactor to the heating installation power supply in the furnace chamber; Audible-visual annunciator all is connected with temperature controller with warning involution button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205021730U CN201766345U (en) | 2010-08-23 | 2010-08-23 | Overheat protection device of photovoltaic polycrystalline silicon ingot furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205021730U CN201766345U (en) | 2010-08-23 | 2010-08-23 | Overheat protection device of photovoltaic polycrystalline silicon ingot furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201766345U true CN201766345U (en) | 2011-03-16 |
Family
ID=43718952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205021730U Expired - Fee Related CN201766345U (en) | 2010-08-23 | 2010-08-23 | Overheat protection device of photovoltaic polycrystalline silicon ingot furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201766345U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949060A (en) * | 2010-08-23 | 2011-01-19 | 清华大学 | Over-temperature protection device of photovoltaic polysilicon ingot furnace |
| 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 |
| CN108826684A (en) * | 2018-09-10 | 2018-11-16 | 盐城市自强化纤机械有限公司 | A kind of heat-conducting oil furnace of the heater good with protectiveness |
-
2010
- 2010-08-23 CN CN2010205021730U patent/CN201766345U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949060A (en) * | 2010-08-23 | 2011-01-19 | 清华大学 | Over-temperature protection device of photovoltaic polysilicon ingot furnace |
| 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 |
| CN108826684A (en) * | 2018-09-10 | 2018-11-16 | 盐城市自强化纤机械有限公司 | A kind of heat-conducting oil furnace of the heater good with protectiveness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100595353C (en) | Fault handling process for temperature-controlling thermal couple of polysilicon ingot furnace | |
| CN201766345U (en) | Overheat protection device of photovoltaic polycrystalline silicon ingot furnace | |
| CN101751047B (en) | Shutdown temperature energy-saving control and protection method of motor | |
| CN101949060A (en) | Over-temperature protection device of photovoltaic polysilicon ingot furnace | |
| CN201497581U (en) | Intelligent temperature collection instrument | |
| CN202545927U (en) | Gas safety controller | |
| CN102135782A (en) | Electrical control system and vertical furnace heating device containing same | |
| CN203700581U (en) | Double heating system for single crystal furnace | |
| CN202995499U (en) | SCM-based temperature control system | |
| CN202600105U (en) | Detection device for solar photovoltaic battery | |
| CN204695544U (en) | A kind of boiler environment monitoring system based on WIFI | |
| CN201652881U (en) | Solar intelligent thermal controller | |
| CN204167442U (en) | Lithium battery group temperature monitoring system | |
| CN203068838U (en) | Water temperature-water level monitoring system for solar water heater | |
| CN202171754U (en) | Multi-path constant temperature controller | |
| CN101942697B (en) | Evacuating device of temperature thermocouple casing of photovoltaic polycrystalline silicon ingot casting furnace | |
| CN102621475B (en) | Solar photovoltaic cell detection device | |
| CN101968666A (en) | Temperature regulating device for photovoltaic polycrystalline silicon ingot casting furnace | |
| CN202361406U (en) | Heating control system of torch liquid separating pot | |
| CN201876691U (en) | Snow-thawing control device | |
| CN201583854U (en) | Pipeline variable-frequency heating intelligent control cabinet | |
| CN102879419A (en) | Monitoring system of building thermal insulation material | |
| CN203088710U (en) | Pressure cooker with power generation function | |
| CN202491501U (en) | Safe and energy-saving solar cell assembly laminating machine | |
| CN202747661U (en) | Intelligent controller for solar water heater |
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 |
Granted publication date: 20110316 Termination date: 20180823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |