CN201770597U - High-frequency electric sealed-off device of solar vacuum pipe - Google Patents
High-frequency electric sealed-off device of solar vacuum pipe Download PDFInfo
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- CN201770597U CN201770597U CN2010202132661U CN201020213266U CN201770597U CN 201770597 U CN201770597 U CN 201770597U CN 2010202132661 U CN2010202132661 U CN 2010202132661U CN 201020213266 U CN201020213266 U CN 201020213266U CN 201770597 U CN201770597 U CN 201770597U
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Abstract
The utility model relates to a high-frequency electric sealed-off device of a solar vacuum pipe, which has the advantages of saving production labor, reducing labor cost, improving working environment, relieving labor intensity, boosting product quality and the like. The structure of the device is as follows: the high-frequency electric sealed-off device comprises an sealed-off table panel on which a plurality of high-frequency sealed-off furnaces are arranged; each high-frequency sealed-off furnace is connected with a high-frequency power device and provided with a support; a shielding plate, an upper thermal insulation plate, an inductive heating body and a lower thermal insulation plate are sequentially arranged in the support from the top down; and the periphery of the inductive heating body is provided with a high-frequency induction generator.
Description
Technical field
The utility model relates to a kind of solar energy vacuum tube processing units and method, particularly the vapor pipe of solar energy vacuum tube after the exhaust is carried out the high-frequency electric sealing device for solar vacuum tubes of automatic sealed-off.
Background technology
In producing solar energy evacuated pipe processing device, solar energy vacuum tube all is to be undertaken by the vapor pipe that is fixed on the valve tube at the exhaust work on the exhaust station, and the valve tube after heating, bleed, being incubated processing need carry out the sealed-off operation to vapor pipe.This vacuum tube chain tracheae sealed-off technology is widely used in the production of all-glass vacuum thermal-collecting tube, and type of heating mainly contains two kinds of combustion gas heating and electrically heated.Sealed-off needs the operator by hand the preheating in thermal-flame of solar energy vacuum tube vapor pipe to be heated to the combustion gas type of heating to the solar energy vacuum tube vapor pipe, will need the position fusing of sealed-off, and then carry out lock out operation.The shortcoming of this working method: it is less that one, this method requires vacuum tube chain tracheae sealed-off place diameter, and this will influence the exhaust velocity and the vacuum quality of valve tube; Two, recruitment number is more, and cost of labor is corresponding higher; Three, because operation is frequent, dull, so labour intensity is bigger, the difficult control of solar energy vacuum tube vapor pipe sealed-off quality, consistence is easy to generate gas leakage, phenomenon such as rough, uneven; Four, because this procedure belongs to high-temperature service, and operator are under this environment for a long time, its physical and mental health is subjected to certain injury.
Nichrome wire heating sealed-off technology is recent emerging a kind of sealed-off mode, this method heats glass exhaust tube by being looped around vapor pipe resistance wire on every side, vapor pipe is heated evenly, the sealed-off quality is better, but there is shortcoming in this method, and technology is not mature enough on the one hand, yield rate is lower, on the other hand, cost is higher and be difficult to operation, is unsuitable for automatic production in enormous quantities.
The utility model content
The utility model patent purpose is to design a kind of above-mentioned defective that overcomes, the high-frequency electric sealing device for solar vacuum tubes of saving production labor, reducing cost of labor, improve Working environment, reduce labour intensity, improve the quality of products.
For achieving the above object, the utility model adopts following technical scheme:
A kind of high-frequency electric sealing device for solar vacuum tubes, it comprises the sealed-off deck plate, and several high frequency sealed-off stoves are installed on the sealed-off deck plate, each high frequency sealed-off stove is connected with high intensity light source; Described each high frequency sealed-off stove all has a support, in support, be followed successively by from top to bottom shielding slab, on warming plate, induction heating body and following warming plate; Around the induction heating body, be provided with high-frequency induction generator.
Described high intensity light source comprises transformer, and transformer is connected with the high frequency electric source main frame; , be provided with cooling water system in the described high frequency electric source main frame; The then public independent another set of cooling system of high frequency sealed-off stove and transformer; The water route that two water-cooling systems have water cooling unit separately respectively and match.
Described transformer is connected with the high frequency electric source main frame by rapid-acting coupling.
Described sealed-off deck plate is provided with the fixedly circular fixed hole seat of high frequency sealed-off stove.
Described high frequency sealed-off stove one-piece construction is the annulus bodily form.
Described induction heating body is a ring body shape.
Described sealed-off deck plate is made for the exhausted magnetic high temperature material of insulation.
The utility model comprises high frequency sealed-off stove, sealed-off deck plate, transformer, high frequency electric source main frame.That high frequency sealed-off stove adopts is non-conductive, magnetic conduction and resistant to elevated temperatures material are not made, one-piece construction is cylindrical, its inside arrange successively from top to bottom shielding slab, go up warming plate, high-frequency induction generator, induction heating body and following warming plate, wherein induction heating body, last warming plate and following warming plate internal diameter are slightly larger than the shielding slab internal diameter, totally constitute a circular cylindrical cavity; After high-frequency induction generator connects electricity, form alternating magnetic fields around it, the induction heating element causes surface action in magnetic field, cause self-heating, by thermal radiation in sealed-off furnace chamber formation temperature uniform temperature field, when the solar energy vacuum tube vapor pipe is in this temperature field, be heated evenly around the vapor pipe, softening gradually, add external barometric point effect, vapor pipe shrinks fusing, with vacuum-sealing in the solar energy vacuum tube, realizes the sealed-off operation.In the ratio-frequency heating process, shielding slab can effectively shield high frequency magnetic field, stops solar energy evacuated pipe clamp and getter to be heated, and prevents that clamp intensity from reducing and getter pollutes.The sealed-off deck plate adopts non-conductive not magnetic conduction high temperature material to make, and the high temperature deformation amount is little, and fixing tool is set in the above, and high frequency sealed-off stove is fixed to the surface.Transformer and sealed-off deck plate are fixed together, and the public cover water route of high-frequency induction generator and transformer is connected with cooler.Transformer joins by line cord and high frequency electric source main frame, and rapid-acting coupling is set in the middle of the flexible cord, satisfies link fast and the demand that splits.By this main frame and the isolating mode of inductor block, realize the purpose that the power supply main frame is used more, effectively reduce the production unit fund input, improve plant factor, reduce production costs.
Method of the present utility model adopts high frequency to heat, ratio-frequency heating has the advantages that rate of heating is fast, controllability good, be convenient to carry out automatization control, heating installation does not directly contact with the induction heating body, thereby has reduced the failure rate of heating installation, has improved production efficiency.The induction heating body is a ring structure, and vapor pipe temperature field of living in temperature is even, and vapor pipe is heated evenly, and need not to receive waist and handles, and improves the sealed-off effect greatly.Ratio-frequency heating temperature height makes the auxiliary heating body internal diameter size to relax, and the scope of activity of vacuum tube chain tracheae is bigger, thereby has reduced the bombing probability.
The beneficial effects of the utility model are: adopt high frequency to heat, ratio-frequency heating speed is fast, controllability good, be convenient to carry out automatization control, and heating installation does not directly contact with auxiliary heating body, thereby has reduced the failure rate of heating installation, has improved production efficiency.Auxiliary heating body is a ring structure, and vapor pipe temperature field of living in temperature is even, and vapor pipe is heated evenly, and need not to receive waist and handles, and improves the sealed-off effect greatly.Ratio-frequency heating temperature height makes the auxiliary heating body internal diameter size to relax, and the scope of activity of vacuum tube chain tracheae is bigger, thereby has reduced the bombing probability.This technology has been filled up domestic blank, can be widely used in the mechanize production of the all-glass vacuum tube of different size.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a high frequency sealed-off furnace structure synoptic diagram;
Fig. 3 is that solar energy vacuum tube uses the utility model to carry out the synoptic diagram of sealed-off operation;
The variation synoptic diagram of Fig. 4 vapor pipe when processing method described in the utility model is carried out sealed-off for solar energy vacuum tube uses.
Among the figure: warming plate, 10 induction heating bodies, 11 high-frequency induction generators, 12 times warming plates, 13 solar energy vacuum tubes, 14 support clamp, 15 getters, 16 vapor pipes, 17 vacuum apparatuss, 18 tail points on 1 high frequency sealed-off stove, 2 sealed-off deck plates, 3 inductor block refrigerating units, 4 transformers, 5 high frequency electric source main frames, 6 power supply rapid-acting couplings, 7 supports, 8 shielding slabs, 9.
Specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Embodiment 1:
High-frequency electric sealing device for solar vacuum tubes as shown in Figure 1, equipment comprise high frequency sealed-off stove 1, sealed-off deck plate 2, inductor block refrigerating unit 3, transformer 4, high frequency electric source main frame 5.Sealed-off deck plate 2 adopts non-conductive not magnetic conduction high temperature material (for example mullite) to be made, and is provided with circular fixed hole seat on its surface, is used for fixing high frequency sealed-off stove 1.The high-frequency induction generator 11 of each high frequency sealed-off stove 1 is connected to transformer 4 by the form of serial or parallel connection, and high-frequency induction generator 11 adopts a cover refrigerating unit with transformer 4, and promptly the inductor block refrigerating unit 3.Adopt flexible cord to link to each other between transformer 4 and the high frequency electric source main frame 5, there is power supply rapid-acting coupling 6 centre of line, can realize that the quick of 4 in high frequency electric source main frame 5 and transformer is connected and fractionation.
High frequency sealed-off stove 1 as shown in Figure 2 comprises support 7, shielding slab 8, goes up warming plate 9, induction heating body 10, high-frequency induction generator 11 and following warming plate 12.Its medium-height trestle 7 adopts non-conductive not magnetic conduction high temperature material be made (for example refractory brick material), whole cylindrical structure, support 7 is installed in the fixed hole seat of sealed-off deck plate 2, the assembling of support 7 foots is warming plate 12 down, following warming plate 12 tops assembling induction heating body 10, high-frequency induction generator 11 is installed in the periphery of induction heating body 10, induction heating body 10 top fit on warming plates 9, the internal diameter size of induction heating body 10, last warming plate 9 and following warming plate 12 is bigger than vapor pipe 16 sizes.Shielding slab 8 is positioned at the topmost of high frequency sealed-off stove 1, and in the ratio-frequency heating process, shielding slab 8 can effectively shield high frequency magnetic field, stops solar energy vacuum tube support clamp 14 and getter 15 to be heated, and it is contaminated to prevent to support reduction of clamp 14 intensity and getter 15.
Fig. 3 is that solar energy vacuum tube 13 uses the utility model to carry out the synoptic diagram of sealed-off operation.Solar energy vacuum tube 13 links to each other with vacuum apparatus 17 by vapor pipe 16, carries out exhaust by 17 pairs of solar energy vacuum tubes of vacuum apparatus 13.When solar energy vacuum tube 16 vacuum tightnesss reach specified requirement, promptly carry out sealed-off.At first high frequency electric source main frame 5 is moved to transformer 4 positions, be connected with transformer 4 by power supply rapid-acting coupling 6.Inductor block refrigerating unit 3 is opened, open high frequency electric source main frame 5, around it, produce alternating magnetic fields in the high-frequency induction generator 11 behind the logical exchange current, induction heating body 10 produces bigger eddy losses and hysteresis loss under the induction of powerful alternating magnetic field, make the temperature that self reaches very high.By the radiation effect of induction heating body 10, by on warming plate 9, the following stable temperature field of formation temperature in the cavity formed of warming plate 12, support 7 and induction heating body 10; When solar energy vacuum tube 13 vapor pipes 16 are in this temperature field, be heated evenly around the vapor pipe 16, self temperature raises gradually, softening, add external barometric point effect, fusing is shunk in vapor pipe 16 sealed-off place, with vacuum-sealing in the solar energy vacuum tube 13, realizes the sealed-off operation.Last high frequency electric source main frame 5 stops heating, subsequently inductor block refrigerating unit 3 is closed, and induction heating body 10 temperature reduce gradually, finish simultaneously sealed-off place ANNEALING OF GLASS.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Embodiment 2:
With processing solar energy vacuum tube 13 is that example specifies technological process, its vapor pipe 16 diameters are that 10-20mm, wall thickness are 1-3mm, high-frequency induction generator 11 and vacuum apparatus 17 carry out the sealed-off operation to 30 solar energy vacuum tubes 13 altogether, induction heating body 10 highly is 10-15mm, internal diameter is 40-50mm for the 12-22mm external diameter, and last warming plate 9 thickness are 10-18mm.
The utility model is not limited to process the glass exhaust tube of this type of specification, and sealed-off technology described in the utility model is applicable to that the sealed-off operation of all glass-vacuum tube vapor pipes and station number are adjustable.
The utility model vacuum tube chain tracheae high frequency sealed-off technology, the concrete operations step is as follows:
The solar energy vacuum tube 13 that (1) will vacuumize passes high frequency sealed-off stove 1, is assembled on the vacuum apparatus 17, and solar energy vacuum tube 13 is connected with vacuum apparatus 17 by vapor pipe 16.
(2) open vacuum apparatus 17, solar energy vacuum tube 13 is carried out exhaust-gas disposal, the gas in the solar energy vacuum tube 13 is taken away by vacuum apparatus 17 by vapor pipe 16.
When (3) treating that vacuum tightness reaches requirement in the solar energy vacuum tube 13, carry out the sealed-off operation.
(4) start high-frequency apparatus, simultaneously 30 solar energy vacuum tubes 2 are carried out high frequency sealed-off operation, high-frequency apparatus heats by 11 pairs of induction heating bodies 10 of high-frequency inductor, Heating temperature is 1400-1500 ℃, and last warming plate 9 and 12 pairs of induction heating bodies 10 of following warming plate play the effect of heat-insulation and heat-preservation.
(5) be 4-5min heat-up time, in heat-processed, the vapor pipe 16 of solar energy vacuum tube 13 is heated sealing by fusing near the position of induction heating body 10, vapor pipe 16 fusing are two joints, part above it is under the heat effect that induction heating body 10 continues, rely on the surface tension of self to make tail point 18 form the shape that straight front end is received point, realize the complete sealing by fusing of vapor pipe 16, as shown in Figure 4.
(6) after heating is finished, close high-frequency apparatus, induction heating body 10 temperature reduce slowly, and temperature fall time is 3-6min, gradually the tail point after the sealed-off is carried out anneal during cooling.
(7) after cooling is finished, will take off on solar energy vacuum tube 13 slave units.
The general conditions of the utility model embodiment
Sealed-off operating time: 4-5 minute
Vacuum tube air exhaust tubulose attitude: vertically downward
Vapor pipe base portion and auxiliary heating body distance: 8-14mm
Vapor pipe and vacuum apparatus fixed form: hard link all can with being flexible coupling
The sealed-off result
Tail point 12 length: 16-24mm
The pointed shape of tail: elongate tapered, inner solid
In addition, the utility model is not limited to the vapor pipe 16 of this kind specification is carried out the sealed-off operation, when vapor pipe 16 specifications change, can by regulate induction heating body 10 diameter of bores, auxiliary heating body with respect to the position of high-frequency inductor 11, go up this Several Parameters of thickness, heat-up time and temperature of warming plate 9, realize the sealed-off operation of the vapor pipe of different size.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (7)
1. a high-frequency electric sealing device for solar vacuum tubes is characterized in that, it comprises the sealed-off deck plate, and several high frequency sealed-off stoves are installed on the sealed-off deck plate, and each high frequency sealed-off stove is connected with high intensity light source; Described each high frequency sealed-off stove all has a support, in support, be followed successively by from top to bottom shielding slab, on warming plate, induction heating body and following warming plate; Around the induction heating body, be provided with high-frequency induction generator.
2. high-frequency electric sealing device for solar vacuum tubes as claimed in claim 1 is characterized in that described high intensity light source comprises transformer, and transformer is connected with the high frequency electric source main frame; , be provided with cooling water system in the described high frequency electric source main frame; The then public independent another set of cooling system of high frequency sealed-off stove and transformer; The water route that two water-cooling systems have water cooling unit separately respectively and match.
3. high-frequency electric sealing device for solar vacuum tubes as claimed in claim 2 is characterized in that, described transformer is connected with the high frequency electric source main frame by rapid-acting coupling.
4. high-frequency electric sealing device for solar vacuum tubes as claimed in claim 1 is characterized in that, described sealed-off deck plate is provided with the fixedly circular fixed hole seat of high frequency sealed-off stove.
5. high-frequency electric sealing device for solar vacuum tubes as claimed in claim 1 is characterized in that, described high frequency sealed-off stove one-piece construction is the annulus bodily form.
6. high-frequency electric sealing device for solar vacuum tubes as claimed in claim 1 is characterized in that, described induction heating body is a ring body shape.
7. high-frequency electric sealing device for solar vacuum tubes as claimed in claim 1 is characterized in that, described sealed-off deck plate is made for the exhausted magnetic high temperature material of insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202132661U CN201770597U (en) | 2010-06-03 | 2010-06-03 | High-frequency electric sealed-off device of solar vacuum pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202132661U CN201770597U (en) | 2010-06-03 | 2010-06-03 | High-frequency electric sealed-off device of solar vacuum pipe |
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| Publication Number | Publication Date |
|---|---|
| CN201770597U true CN201770597U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202132661U Expired - Fee Related CN201770597U (en) | 2010-06-03 | 2010-06-03 | High-frequency electric sealed-off device of solar vacuum pipe |
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| CN (1) | CN201770597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830634A (en) * | 2010-06-03 | 2010-09-15 | 皇明太阳能股份有限公司 | High-frequency electric sealing device for solar vacuum tubes and sealing method thereof |
-
2010
- 2010-06-03 CN CN2010202132661U patent/CN201770597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830634A (en) * | 2010-06-03 | 2010-09-15 | 皇明太阳能股份有限公司 | High-frequency electric sealing device for solar vacuum tubes and sealing method thereof |
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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: 20110323 Termination date: 20150603 |
|
| EXPY | Termination of patent right or utility model |