CN202576649U

CN202576649U - Cooling device

Info

Publication number: CN202576649U
Application number: CN2012202409495U
Authority: CN
Inventors: 冯文宏; 朱国新
Original assignee: Baoding Tianwei Yingli New Energy Resources Co Ltd
Current assignee: Baoding Tianwei Yingli New Energy Resources Co Ltd
Priority date: 2012-05-25
Filing date: 2012-05-25
Publication date: 2012-12-05
Anticipated expiration: 2022-05-25

Abstract

The utility model provides a cooling device which comprises a cooling box (10), a heating part (50) and a fan (20). The cooling box (10) is provided with an inner cavity for containing materials. The cooling box (10) is also provided with a first air hole (61) and a second air hole (62) both communicated with the inner cavity. The heating part (50) is disposed in the inner cavity. The fan is communicated with the second air hole (62). By the cooling device, the problem that fast cooling of solar cell silicon ingots after discharge from a furnace in the prior art causes cracking, edge breakage and internal stress change to the silicone ingots is solved effectively.

Description

Heat sink

Technical field

The utility model relates to technical field of solar cell manufacturing, in particular to a kind of heat sink.

Background technology

At present, the cooling of coming out of the stove of solar cell silicon ingot all is coolings naturally under the physical environment temperature, does not add any sfgd..The envrionment temperature in workshop deviation between Various Seasonal is very big, and temperature fall time is difficult to grasp consistent.Main is, the violent cooling of the silicon ingot after coming out of the stove causes crackle sometimes, collapse the limit and internal stress changes, and cutting thickness silico briquette, silicon chip cause stealthy crack defect sometimes.So not only can influence the silicon chip product qualified rate, increase production cost, main is the power generation performance index that influences battery component.

The utility model content

The utility model aims to provide a kind of heat sink, and is too fast and cause silicon ingot crackle to occur, collapse the problem that limit and internal stress change to solve the back cooling of coming out of the stove of solar cell silicon ingot in the prior art.

To achieve these goals, the utility model provides a kind of heat sink, comprising: the cooling casing, have the inner chamber that holds material, and have first air port and second air port that is communicated with inner chamber on the cooling casing; The heating part is arranged in the inner chamber; Blower fan is communicated with second air port.

Further, heat sink also comprises the temperature measuring equipment that is used to measure temperature in the inner chamber, and temperature measuring equipment is arranged on the cooling casing.

Further; Heat sink also comprises the unit that is arranged on the cooling casing; Unit is with heating part, blower fan and temperature measuring equipment and is electrically connected, and unit is used to receive temperature measurement signal that temperature measuring equipment sends and transmits control signal to heating part and blower fan according to temperature measurement signal.

Further, the cooling casing comprises chamber door, and heat sink also comprises the transmitter that is electrically connected with unit, and transmitter comprises: first sensing part is arranged on the end of chamber door away from pivot axis; Second sensing part matches with the first sensing part position, and second sensing part is arranged on the sidewall of the cooling casing adjacent with chamber door, sends transducing signal to unit when first sensing part contacts with second sensing part.

Further, unit comprises the switchboard that is used to transmit control signal, and switchboard is arranged on the outside surface of chamber door away from inner chamber.

Further, the cooling casing is provided with the 3rd air port that is communicated with inner chamber, and blower fan comprises first air channel and second air channel, and first air channel is communicated with second air port through first vent-pipe, and second air channel is communicated with the 3rd air port through second vent-pipe.

Further, first vent-pipe is a plurality of and is arranged on the upper end of the sidewall of cooling casing that second vent-pipe is a plurality of and is arranged on the lower end of the sidewall of cooling casing.

Further, wind guide component is a recycle blower.

Further, temperature measuring equipment is a thermopair.

Use the technical scheme of the utility model, heat sink comprises: the cooling casing, have the inner chamber that holds material, and have first air port and second air port that is communicated with inner chamber on the cooling casing; The heating part is arranged in the inner chamber; Blower fan is communicated with second air port.Heat sink earlier arrives the temperature of being scheduled to through will the lower the temperature inner chamber internal heating of casing of heating part; Polycrystal silicon ingot after will in stove, having heated advances in the inner chamber of heat sink, and the heating part stops heating, and fan starting makes and continues outside air draft in the inner chamber; Until cooling to preset temperature; Like this, make oven-fresh polycrystal silicon ingot uniform decrease in temperature in heat sink, avoided directly contacting the too fast and polycrystal silicon ingot that cause of back cooling rate and collapsed the problem that limit, crackle and internal stress change with outside air; Guarantee the quality of polycrystal silicon ingot, improved product percent of pass.

Description of drawings

The Figure of description that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:

Fig. 1 shows the structural representation of embodiment of the heat sink of the utility model.

Embodiment

Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.

As shown in Figure 1; The heat sink of present embodiment comprises cooling casing 10, heating part 50 and blower fan 20; Cooling casing 10 has the inner chamber that holds material; Have first air port 61 and second air port 62 that is communicated with inner chamber on the cooling casing 10, heating part 50 is arranged in the inner chamber, and blower fan 20 is communicated with second air port 62.

Heat sink earlier will lower the temperature the inner chamber internal heating of casing 10 to predetermined temperature through heating part 50, as in the actual production process need 100 ± 5 degrees centigrade, in the inner chamber of the polycrystal silicon ingot 90 propelling heat sinks after will in stove, having heated; The heating part stops heating; Blower fan 20 starts makes lasting outside air draft in the inner chamber, until cooling to preset temperature, like this; Make oven-fresh polycrystal silicon ingot uniform decrease in temperature in heat sink; Avoided directly contacting the too fast and polycrystal silicon ingot that cause of back cooling rate and collapsed the problem that limit, crackle and internal stress change, guaranteed the quality of polycrystal silicon ingot, improved product percent of pass with outside air.

Preferably, heat sink also comprises the temperature measuring equipment 30 that is used to measure temperature in the inner chamber, is arranged on the cooling casing 10.Wherein, the temperature measuring equipment 30 in the heat sink of present embodiment is a thermopair, through cavity temperature in the temperature measuring equipment 30 accurate monitoring, makes temperature-fall period more accurate.Preferably; Heat sink also comprises the unit that is arranged on the cooling casing 10; Unit is with heating part 50, blower fan 20 and temperature measuring equipment 30 and is electrically connected, and unit is used to receive temperature measurement signal that temperature measuring equipment 30 sends and transmits control signal to heating part 50 and blower fan 20 according to temperature measurement signal.Through unit whole temperature-fall period is carried out the one robotization, concrete flowchart process is following:

1, temperature in the inner chamber is improved in unit control heating part 50;

2, after heating part 50 was heated to preset temperature, temperature measuring equipment 30 sent temperature measurement signal and gives unit, and unit control heating part 50 stops;

3, polycrystal silicon ingot 90 is put into the inner chamber of heat sink, the air draft that circulates of unit control blower fan 20;

4, after the temperature when temperature in the inner chamber reaches the cooling completion, temperature measuring equipment 30 sends temperature measurement signal and gives unit, and unit control blower fan 20 stops, and accomplishes the cooling of polycrystal silicon ingot 90.

Preferably; Cooling casing 10 comprises chamber door 80; Heat sink also comprises the transmitter 40 that is electrically connected with unit, and transmitter 40 comprises that first sensing part 41 and second sensing part, 42, the first sensing parts 41 are arranged on chamber door 80 and match with first sensing part, 41 positions away from an end second sensing part 42 of pivot axis; Second sensing part 42 is arranged on the sidewall of the cooling casing 10 adjacent with chamber door 80, sends transducing signal to unit when first sensing part 41 contacts with second sensing part 42.After polycrystal silicon ingot 90 advanced inner chambers, when closing chamber door, transmitter 40 sent transducing signal and gives unit, and unit is controlled blower fan 20 air draft that circulates again.In the present embodiment, the unit of heat sink comprises the switchboard 70 that is used to transmit control signal, and switchboard 70 is arranged on the outside surface of chamber door 80 away from inner chamber.

Preferably, cooling casing 10 is provided with the 3rd air port 63 that is communicated with inner chamber, and blower fan 20 comprises first air channel and second air channel, and first air channel is communicated with second air port 62 through first vent-pipe, and second air channel is communicated with the 3rd air port 63 through second vent-pipe.Wherein, the blower fan 20 in the present embodiment is a recycle blower, and those skilled in the art also can select other blower fans for use according to concrete needs according to this area general knowledge.Because blower fan can carry out air draft and exhausting, the air channel pipeline of interchangeable effect air draft in first air channel and second air channel or exhausting, the 3rd air port 63 with can improve the circulate efficient of air draft of blower fan 20 cooperating of second air port 62.Preferably, first vent-pipe is a plurality of and is arranged on the upper end of the sidewall of cooling casing 10 that second vent-pipe is a plurality of and is arranged on the lower end of the sidewall of cooling casing 10.Being provided with has like this increased the exhaust duct way of blower fan 20 amount, and then improves the circulate efficient of air draft of blower fan 20 further.

The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims

1. a heat sink is characterized in that, comprising:

Cooling casing (10) has the inner chamber that holds material, has first air port (61) and second air port (62) that are communicated with said inner chamber on the said cooling casing (10);

Heating part (50) is arranged in the said inner chamber;

Blower fan (20) is communicated with said second air port (62).

2. heat sink according to claim 1 is characterized in that, also comprises the temperature measuring equipment (30) that is used to measure temperature in the said inner chamber, and said temperature measuring equipment (30) is arranged on the said cooling casing (10).

3. heat sink according to claim 2; It is characterized in that; Also comprise the unit that is arranged on the said cooling casing (10); Said unit is with said heating part (50), said blower fan (20) and said temperature measuring equipment (30) and is electrically connected, and said unit is used to receive temperature measurement signal that said temperature measuring equipment (30) sends and transmits control signal to said heating part (50) and said blower fan (20) according to said temperature measurement signal.

4. heat sink according to claim 3 is characterized in that, said cooling casing (10) comprises chamber door (80), and said heat sink also comprises the transmitter (40) that is electrically connected with said unit, and said transmitter (40) comprising:

First sensing part (41) is arranged on the end of said chamber door (80) away from pivot axis;

Second sensing part (42); Match with said first sensing part (41) position; Said second sensing part (42) is arranged on the sidewall of the said cooling casing (10) adjacent with said chamber door (80), and said first sensing part (41) sends transducing signal to said unit with said second sensing part (42) when contacting.

5. heat sink according to claim 4 is characterized in that, said unit comprises the switchboard (70) that is used to transmit control signal, and said switchboard (70) is arranged on the outside surface of said chamber door (80) away from said inner chamber.

6. heat sink according to claim 1; It is characterized in that; Said cooling casing (10) is provided with the 3rd air port (63) that is communicated with said inner chamber; Said blower fan (20) comprises first air channel and second air channel, and said first air channel is communicated with said second air port (62) through first vent-pipe, and said second air channel is communicated with said the 3rd air port (63) through second vent-pipe.

7. heat sink according to claim 6 is characterized in that, said first vent-pipe is a plurality of and is arranged on the upper end of the sidewall of said cooling casing (10) that said second vent-pipe is a plurality of and is arranged on the lower end of the sidewall of said cooling casing (10).

8. heat sink according to claim 7 is characterized in that, said blower fan (20) is a recycle blower.

9. heat sink according to claim 2, said temperature measuring equipment (30) is a thermopair.