CN201075854Y - Pressure controlled negative pressure apparatus - Google Patents
Pressure controlled negative pressure apparatus Download PDFInfo
- Publication number
- CN201075854Y CN201075854Y CN 200720101912 CN200720101912U CN201075854Y CN 201075854 Y CN201075854 Y CN 201075854Y CN 200720101912 CN200720101912 CN 200720101912 CN 200720101912 U CN200720101912 U CN 200720101912U CN 201075854 Y CN201075854 Y CN 201075854Y
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- air
- pressure
- control valve
- hand control
- pore
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Abstract
The utility model relates to a pressure device, in particular to a subpressure device with controllable pressure, which solves the problem of the prior art that no subpressure device is suitable for a solar battery block to stick on a base plate. The subpressure device comprises a supporting platform the table-board of which is provided with an air hole, a plastic film and a control cabinet sealed and covered on the supporting platform. The control cabinet comprises an industrial control computer and an air storage tank. One air opening of the air storage tank is communicated with each air hole on the table-board of the supporting platform by an air transmission pipeline, a pressure sensor of the air storage tank and an air hole pressure sensor. The signal output ends of the pressure sensor of the air storage tank and the air hole pressure sensor are connected with the signal input end of the industrial control computer. Another air hole of the air storage tank is connected with an air source by a gas pipe through a solenoid pilot actuated valve, an air source pressure sensor and a manual valve. The subpressure device can not only realize the pressure controllable sticking of the solar battery block on the base plate, but also can be used for the pressure sticking of the coverings of large plate plane products such as the sticking of the surface decoration layer of a decorative board.
Description
Technical field
The utility model relates to a kind of pressure apparatus, is specially the controlled negative pressure device of a kind of pressure.
Background technology
The stickup of solar cell piece on substrate need apply certain pressure to the solar cell piece, so that paste firmly, and the structures shape of solar cell piece can not directly exert pressure in its surface by press member, otherwise will damage the solar cell piece, therefore need to adopt negative pressure device, promptly realize the pressure stickup by air pressure.Though some negative pressure devices are arranged in the prior art, its structure is lack of standardization, especially can't realize the control of pressure, therefore is not suitable for the stickup of solar cell piece on substrate.Be not suitable at present the negative pressure device that the solar cell piece is pasted on substrate.
Summary of the invention
The utility model provides a kind of pressure controlled negative pressure device in order to solve the problem that is not suitable at present the negative pressure device that the solar cell piece pastes on substrate.
The utility model is to adopt following technical scheme to realize: the negative pressure device that pressure is controlled, comprise the support platform that has pore on the table top, sealing is covered in plastic film and the control cubicle on the support platform, comprise industrial computer and an air accumulator in the control cubicle, a gas port of air accumulator is communicated with each pore on the support platform table top through air delivering pipeline, be connected with Pressure gauge and air accumulator pressure sensor (being used to reflect the internal pressure of air accumulator) on the air delivering pipeline, air vent pressure transducer (being used to reflect the pressure at pore place) and hand control valve, Pressure gauge and hand control valve are fixed on the control cubicle panel, and the signal output part of air accumulator pressure sensor and pore pressure sensor links to each other with the signal input part of industrial computer; The electromagnetically operated valve that another gas port of air accumulator links to each other with the control signal output ends of industrial computer through line end with appendix, bleed pressure transducer, the hand control valve that signal output part links to each other with the signal input part of industrial computer link to each other with source of the gas (as vacuum pump).During work, solar module is sticked on substrate surface with silicon rubber.The solar panel that bondd is placed on the support platform, under cell panel, place one deck sponge, (ventilative effect is played on the sea), the top covers plastic film on the solar panel, and the sealing joint strip by the platform upper periphery will plastic film and support platform around seal cementation, thereby the base plate seals that will paste solar cell is on support platform.To the force value that the industrial computer input need reach, promptly import the minimum pressure set point, intermediate value pressure set points and maximum pressure set point.Open hand control valve and the hand control valve that links to each other with source of the gas on the air delivering pipeline, air accumulator is implemented to vacuumize to the plastic film lower space by the pore on air delivering pipeline and the support platform table top, therebetween, the air accumulator pressure sensor, air vent pressure transducer and bleed pressure signal of sensor are sent into industrial computer, under the support of corresponding software, industrial computer with air accumulator pressure sensor and pore pressure sensor import into force value and minimum pressure set point compare, when air accumulator and air bag (being the plastic film lower space) average pressure (four) during less than the minimum pressure set point, the control signal output ends output signal of industrial computer, make the solenoid valve conduction that communicates with source of the gas, source of the gas vacuumizes air accumulator and meet or exceed the intermediate value pressure set points in air accumulator, and the electromagnetically operated valve that communicates with source of the gas is closed in industrial computer control.Reach pressure set points through in the regular hour air bag, solar panel is well pasted under this pressure effect.Can close hand control valve and whole negative pressure device this moment.
Also be connected with the bypass air delivering pipeline that communicates with atmosphere through electromagnetically operated valve on the air delivering pipeline between the pore on air accumulator and the support platform table top, the line end of the electromagnetically operated valve on the bypass air delivering pipeline links to each other with the control signal output ends of industrial computer.When the force value in the air accumulator during greater than the maximum pressure set point (hinder for some reason and can not normally close) as the electromagnetically operated valve that communicates with source of the gas, under corresponding software is supported, the control signal output ends output signal of industrial computer, make the solenoid valve conduction on the bypass air delivering pipeline, logical atmosphere, the unnecessary gas of draining is to setting intermediate value.Like this, it is safer, reliable this pressure apparatus to be used.
The controlled negative pressure device scientific structure design of pressure described in the utility model, rationally is a core with the industrial computer, and adopts pressure sensor carries out the pressure signal collection, and with electromagnetically operated valve as automatic control component, realized the automatic control of negative pressure.This negative pressure device not only can be realized the controlled stickup of the pressure of solar cell piece on substrate, the negative pressure thrust of promptly utilizing this device to produce can effectively stick on the solar cell piece on the large substrate, thereby reaches the adhesion quality stability and the consistency of cell panel.And this negative pressure device also can be used for the obducent pressure of large-scale tabular planar products and pastes, and as the stickup of decorative panel surface decoration layer, and the obducent pressure of Else Rule body surface is pasted.
Description of drawings
Fig. 1 is the structural representation of the support platform of the controlled negative pressure device of pressure described in the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the gas circuit catenation principle figure of the controlled negative pressure device of pressure described in the utility model;
Fig. 4 is the structural representation of the mouth of bleeding in the controlled negative pressure device of pressure described in the utility model;
Among the figure: 1-pore, 2-support platform, 3-air accumulator, a gas port of 4-air accumulator, the 5-Pressure gauge, 6-air accumulator pressure sensor, 7-air vent pressure transducer, 8-hand control valve, another gas port of 9-air accumulator, 10-electromagnetically operated valve, 11-bleed pressure transducer, 12-hand control valve, the 13-electromagnetically operated valve, 14-hand control valve, 15-hand control valve, the 16-hand control valve, 17-hand control valve, 18-air plug, the 19-clamp nut, 20-connects hoop, the 21-sealing ring.
Embodiment
The negative pressure device that pressure is controlled, comprise the support platform 2 that has pore 1 on the table top, sealing is covered in plastic film and the control cubicle on the support platform 2, comprise industrial computer and an air accumulator 3 in the control cubicle, a gas port 4 of air accumulator 3 is communicated with each pore on the support platform table top through air delivering pipeline, be connected with Pressure gauge 5 and air accumulator pressure sensor 6 on the air delivering pipeline, air vent pressure transducer 7 and hand control valve 8, Pressure gauge 5 and hand control valve 8 are fixed on the control cubicle panel, the signal output part of air accumulator pressure sensor 6 and pore pressure sensor 7 links to each other with the signal input part of industrial computer, the electromagnetically operated valve 10 that another gas port 9 usefulness appendixs of air accumulator link to each other with the control signal output ends of industrial computer through line end, the bleed pressure transducer 11 that signal output part links to each other with the signal input part of industrial computer, hand control valve 12 links to each other with source of the gas (as vacuum pump).In order to reflect the pressure at air accumulator and pore place exactly, near the gas port of air accumulator, air vent pressure transducer 7 is installed in as far as possible near on the appendix of pore air accumulator pressure sensor 6 as far as possible.For increasing work efficiency, the pore on the support platform table top is a plurality of and by necessarily regularly arranged (as shown in Figure 2), and correspondingly the air vent pressure transducer also has a plurality of; In order to reduce the consumption of air vent pressure transducer as far as possible, be communicated with certain air delivering pipeline that distributes between each pore, under the situation of accurately gathering pressure signal, can reduce the consumption of air vent pressure transducer like this; 12 pores are arranged on the support platform table top in the present embodiment, adopted 4 air vent pressure transducers (as shown in Figure 3).By adopting pore mode in parallel in twos only to export the wall scroll gas circuit at last, adopt pipe fittings such as elbow and threeway to be connected to each other between the gas circuit to control cubicle.In parallel each other between four transducers.Also be connected with the bypass air delivering pipeline that communicates with atmosphere through electromagnetically operated valve 13 on the air delivering pipeline between the pore 1 on air accumulator 3 and the support platform table top, the line end of the electromagnetically operated valve 13 on the bypass air delivering pipeline links to each other with the control signal output ends of industrial computer.Also be connected with hand control valve 14 on the bypass air delivering pipeline that electromagnetically operated valve 13 communicates with atmosphere, to the control of bypass air delivering pipeline, this hand control valve 14 is opened when flat when being used to prevent electromagnetically operated valve 13 faults; Also be connected with the manual bypass air delivering pipeline that communicates with atmosphere through hand control valve 15 on the air delivering pipeline between the pore 1 on air accumulator 3 and the support platform table top, hand control valve 15 cuts out when flat, when the electromagnetically operated valve on the bypass air delivering pipeline 13 and hand control valve 14 faults and can't normally open the time, can open hand control valve 15 and open manual bypass air delivering pipeline, make the use of negative pressure device more reliable.Also be serially connected with hand control valve 16 between another gas port 9 of air accumulator and the source of the gas, hand control valve 16 is opened when flat, when electromagnetically operated valve 10 can not normally cut out, can close hand control valve 16.Being connected in series the gas circuit two ends and being connected to hand control valve 17 of electromagnetically operated valve 10 between another gas port 9 of air accumulator and the source of the gas and hand control valve 16, hand control valve 17 cuts out when flat, when electromagnetically operated valve 10 or hand control valve 16 faults are obstructed, open hand control valve 17, with further increase dependability.Be connected by the mouth of bleeding between pore 1 on support platform 2 table tops and the appendix, the mouth of bleeding by hollow air plug 18, with the clamp nut 19 of air plug threaded engagement, be connected hoop 20 and constitute at the sealing ring 21 that connects between hoop and the air plug.Air plug 18 inserts in the pore 1 during use, tighten clamp nut 2, air plug located in pore, with appendix be connected hoop 20 lower ends and connect, to connect hoop 20 again and be screwed to by screw thread sealing ring is compressed, thereby finish being connected of appendix and pore.Each hand control valve is fixed on the panel of control cubicle.
Claims (7)
1. negative pressure device that pressure is controlled, it is characterized by: comprise the support platform (2) that has pore (1) on the table top, sealing is covered in plastic film and the control cubicle on the support platform (2), comprise an industrial computer and an air accumulator (3) in the control cubicle, a gas port (4) of air accumulator (3) is communicated with each pore on the support platform table top through air delivering pipeline, be connected with Pressure gauge (5) and air accumulator pressure sensor (6) on the air delivering pipeline, air vent pressure transducer (7) and hand control valve (8), Pressure gauge (5) and hand control valve (8) are fixed on the control cubicle panel, the signal output part of air accumulator pressure sensor (6) and pore pressure sensor (7) links to each other with the signal input part of industrial computer, the electromagnetically operated valve (10) that another gas port (9) of air accumulator links to each other with the control signal output ends of industrial computer through line end with appendix, the bleed pressure transducer (11) that signal output part links to each other with the signal input part of industrial computer, hand control valve (12) links to each other with source of the gas.
2. the controlled negative pressure device of pressure as claimed in claim 1, it is characterized by: also be connected with the bypass air delivering pipeline that communicates with atmosphere through electromagnetically operated valve (13) on the air delivering pipeline between the pore (1) on air accumulator (3) and the support platform table top, the line end of the electromagnetically operated valve on the bypass air delivering pipeline (13) links to each other with the control signal output ends of industrial computer.
3. the controlled negative pressure device of pressure as claimed in claim 2 is characterized by: also be connected with hand control valve (14) on the bypass air delivering pipeline that electromagnetically operated valve (13) communicates with atmosphere.
4. as claim 2 or the controlled negative pressure device of 3 described pressure, it is characterized by: also be connected with the manual bypass air delivering pipeline that communicates with atmosphere through hand control valve (15) on the air delivering pipeline between the pore (1) on air accumulator (3) and the support platform table top.
5. as claim 1 or the controlled negative pressure device of 2 or 3 described pressure, it is characterized by: also be serially connected with hand control valve (16) between another gas port (9) of air accumulator and the source of the gas.
6. the controlled negative pressure device of pressure as claimed in claim 5 is characterized by: being connected in series the gas circuit two ends and being connected to hand control valve (17) of electromagnetically operated valve (10) between another gas port (9) of air accumulator and the source of the gas and hand control valve (16).
7. as claim 1 or the controlled negative pressure device of 2 or 3 described pressure, it is characterized by: be connected by the mouth of bleeding between the pore (1) on support platform (2) table top and the appendix, the mouth of bleeding by hollow air plug (18), with the clamp nut (19) of air plug threaded engagement, be connected hoop (20) and constitute at the sealing ring (21) that connects between hoop and the air plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720101912 CN201075854Y (en) | 2007-07-08 | 2007-07-08 | Pressure controlled negative pressure apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720101912 CN201075854Y (en) | 2007-07-08 | 2007-07-08 | Pressure controlled negative pressure apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201075854Y true CN201075854Y (en) | 2008-06-18 |
Family
ID=39521111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720101912 Expired - Lifetime CN201075854Y (en) | 2007-07-08 | 2007-07-08 | Pressure controlled negative pressure apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201075854Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863940A (en) * | 2015-04-02 | 2015-08-26 | 中航飞机股份有限公司西安飞机分公司 | Pneumatic pressure-regulating bonding device and bonding method |
| CN111481365A (en) * | 2020-06-03 | 2020-08-04 | 杭州市第一人民医院 | Improved electronic anti-pressure-damage air cushion bed system and control method thereof |
-
2007
- 2007-07-08 CN CN 200720101912 patent/CN201075854Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863940A (en) * | 2015-04-02 | 2015-08-26 | 中航飞机股份有限公司西安飞机分公司 | Pneumatic pressure-regulating bonding device and bonding method |
| CN111481365A (en) * | 2020-06-03 | 2020-08-04 | 杭州市第一人民医院 | Improved electronic anti-pressure-damage air cushion bed system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080618 |