CN106595943A - Device for measuring pressure of liquid crystal glass tank - Google Patents
Device for measuring pressure of liquid crystal glass tank Download PDFInfo
- Publication number
- CN106595943A CN106595943A CN201610931858.9A CN201610931858A CN106595943A CN 106595943 A CN106595943 A CN 106595943A CN 201610931858 A CN201610931858 A CN 201610931858A CN 106595943 A CN106595943 A CN 106595943A
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- CN
- China
- Prior art keywords
- pressure
- pipe
- transmitter
- glass melting
- melting furnace
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a device for measuring pressure of a liquid crystal glass tank. The device comprises a pressure-taking pipe, wherein the pressure-taking pipe is communicated with the interior of a glass tank through a pressure-taking pored brick; the pressure-taking pipe is connected with a pressure transmitter through a pressure-guiding pipe; the pressure transmitter is connected with a condensate water collecting pipe; the pressure transmitter is also connected with a furnace pressure reference end; the pressure transmitter is also connected with a distributor; the distributor is connected with a digital analog converter; and the digital analog converter is connected with a touch screen. The pressure in the glass tank is acquired by the pressure transmitter, so that the problem caused by the operation of manually acquiring the pressure in the glass tank can be avoided. The pressure transmitter is used for converting a pressure electric signal into a pressure signal through the digital analog converter and the pressure signal is displayed by a display screen.
Description
Technical field
The invention belongs to liquid-crystalline glasses manufacturing technology field, is related to a kind of LCD glass melting furnace pressure gauge.
Background technology
In the manufacturing of TFT liquid-crystalline glasses, after glass melting, need to carry out the pressure in stove according to production technology
Measurement.In prior art, the measurement of furnace pressure is carried out using manual mode, this brings very big trouble and not to technology controlling and process
Certainty factor, and manual measurement cannot ensure every secondary standard all, the impact of anthropic factor is larger, without comparability,
Error ratio is larger, it is impossible to determine the real change situation of pressure in LCD glass melting furnace, it is impossible to enough meet modern crafts production
Require.
The content of the invention
It is an object of the invention to provide a kind of LCD glass melting furnace pressure gauge.Glass is obtained using pressure transmitter
Pressure in glass tank furnace, it is to avoid the problem that artificial acquisition furnace pressure brings；Peer pressure transmitter passes through digital-to-analogue conversion mould
Electric pressure signal is converted to pressure signal by block, and is shown by display screen.
The purpose of the present invention is achieved through the following technical solutions：
This LCD glass melting furnace pressure gauge, including pressure pipe, pressure pipe is by pressure port brick and glass melting furnace
Inside connection；Pressure pipe is connected by pressure guiding pipe with pressure transmitter, and pressure transmitter is connected with condensed water collector pipe, and pressure becomes
Device is sent also to be connected with furnace pressure reference edge；The pressure transmitter is also connected with distributor, and distributor is connected with digital to analog converter, number
Weighted-voltage D/A converter is connected with touch screen.
Further, of the invention the characteristics of, also resides in：
Wherein furnace pressure is changed into the signal of telecommunication by pressure transmitter, is transferred to distributor, and distributor is by the signal isolation
Export to D/A converter module；D/A converter module convert electrical signals to pressure signal be transferred to touch screen carry out pressure show
Show.
Wherein pressure guiding pipe is connected with the high-pressure side of pressure transmitter.
Wherein condensed water collector pipe is connected with the high-pressure side of pressure transmitter, and condensed water collector pipe and pressure transmitter it
Between be additionally provided with the first stop valve.
Wherein furnace pressure reference edge is connected with the low-pressure end of pressure transmitter.
It is interference fit wherein between pressure port brick and pressure pipe.
Wherein it is also associated with cooling fan on pressure transmitter.
Wherein D/A converter module uses ADAM4017-1 type D/A converter modules.
The invention has the beneficial effects as follows：Furnace pressure information in glass melting furnace is obtained by pressure port brick, and by pressure
, by furnace pressure information transmission to pressure transmitter, pressure transmitter by furnace pressure information by being changed into pressure electrical information for pipe and pressure guiding pipe
And distributor is transferred to, distributor is by electric pressure signal isolation and amplifier to D/A converter module, and D/A converter module is electric by pressure
Signal is converted into pressure signal and is transferred to touch screen and shown, by said apparatus realize to glass melting furnace pressure from
Dynamic measurement, and intuitively can show pressure information by touch screen, facilitate the work of staff.
Further, it is interference fit between pressure port brick and pressure pipe, makes air-tightness between the two even closer.
Improve the precision of measurement.
Further, on pressure transmitter connect cooling fan, can to distributor,.D/A converter module and touch
Touch screen to be lowered the temperature.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of pressure pipe in the present invention；
Fig. 3 is the structural representation of pressure port brick in the present invention；
Fig. 4 is the connection diagram of pressure pipe and pressure port brick in the present invention；
Fig. 5 is the connection diagram of distributor in the present invention；
Fig. 6 is the circuit connection diagram of distributor in the present invention.
Wherein：1 is vitreous humour；2 is pressure port brick；3 is pressure pipe；4 is pressure guiding pipe；5 is pressure transmitter；6 is high pressure
End；7 is low-pressure end；8 is the first stop valve；9 is condensed water collector pipe；10 is the second stop valve；11 is furnace pressure reference edge；12 are
Distributor；13 is D/A converter module；14 is touch screen.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
The invention provides a kind of LCD glass melting furnace pressure gauge, as shown in figure 1, including pressure port brick 2, pressure
Hole brick 2 is prefabricated on LCD glass melting furnace, and pressure port brick 2 is arranged on the top of vitreous humour 1, and the material of pressure port brick 2 is resistance to
The mullite brick of high temperature；Wherein pressure port turns 2 structure as shown in figure 3, wherein the middle part of pressure port brick 2 has circle
Through hole；Pressure port turns 2 and couples together with the interference fit of pressure pipe 3, as shown in Fig. 2 having connection spiral shell on one end of pressure pipe 3
Stricture of vagina, without helicitic texture on the other end of pressure pipe 3；Insertion pressure in one end without helicitic texture on pressure pipe 3 as shown in Figure 4
In hole brick 2, one end that pressure pipe 3 has connection screw thread is connected with pressure guiding pipe 4, the high-pressure side 6 of pressure guiding pipe 4 and pressure transmitter 5
Connection, the wherein material of pressure pipe 3 are rustless steel GH3039, and the material of pressure guiding pipe 4 is carbon steel；High-pressure side 6 also with condenser collection
Water pipe 9 connects, and the material of condensed water collector pipe 9 is carbon steel, and condensed water collector pipe 9 is used to prevent condensed water from entering pressure transmitter
5, the damage of build-up of pressure transmitter 5 and measurement error are opened the first stop valve 8 when normally using, by the second stop valve
10 close, and in drainage procedure, now close the first stop valve 8, and the second stop valve 10 is opened, in order to avoid furnace pressure detection is caused
Affect；The low-pressure end 7 of pressure transmitter 5 is connected also by a pressure guiding pipe with furnace pressure reference edge 11, wherein furnace pressure reference edge 11
Material be carbon steel.
As shown in figure 5, pressure transmitter 5 is also connected with distributor 12, distributor 12 is also connected with D/A converter module 13,
D/A converter module 13 is connected with touch screen 14, and wherein D/A converter module 13 is the digital to analog converter of ADAM4017-1 models.
Wherein pressure transmitter 5 gets pressure information in stove by pressure port brick 2, pressure pipe 3 and pressure guiding pipe 4, and by pressure
Information is changed into pressure electrical information, then pressure electrical information is passed to into distributor 12, and distributor 12 is by its isolation and amplifier to number
Pressure electrical information is converted to pressure signal by mould modular converter 13, D/A converter module 13, and passes to touch screen 14.
The using method of the present invention is, according to Fig. 1 and Fig. 6 by pressure transmitter 5, distributor 12, D/A converter module 13
Couple together with touch screen 14.Two on and off switch of the top of first clossing pressure dispensing device 5, open other three power supplys are closed
Close, at this moment touch screen 14, distributor 12 and D/A converter module 13 are powered, distributor 12 is that the offer 24V of pressure transmitter 5 is electric
Source, pressure transmitter 5 is started working；Furnace pressure pressure information is converted to the signal of telecommunication and passes to distributor 12 by pressure transmitter 5, than
Such as the signal of telecommunication can be the current signal of 4-20mA, and the numerical value can be configured according to practical situation；Distributor 12 is by the electric current
Signal isolation is exported to D/A converter module 13, and D/A converter module 13 converts electrical signals to pressure signal, such as by 4-
The current signal of 20mA is converted to the pressure signal of -20-80Pa；When pressure change in stove, corresponding current signal will be sent out
Changing, it is achieved thereby that carrying out the purpose of automatic detection to the furnace pressure of LCD glass melting furnace.
Claims (8)
1. a kind of LCD glass melting furnace pressure gauge, it is characterised in that including pressure pipe (3), pressure pipe (3) is by pressure
Hole brick (2) is connected with glass melting furnace inside；Pressure pipe (3) is connected by pressure guiding pipe (4) with pressure transmitter (5), pressure inverting
Device (5) is connected with condensed water collector pipe (9), and pressure transmitter (5) is also connected with furnace pressure reference edge (11)；
The pressure transmitter (5) is also connected with distributor (12), and distributor (12) is connected with digital to analog converter (13), and digital-to-analogue turns
Parallel operation (13) is connected with touch screen (14).
2. LCD glass melting furnace pressure gauge according to claim 1, it is characterised in that the pressure transmitter
(5) furnace pressure is changed into into the signal of telecommunication, is transferred to distributor (12), the signal isolation is exported and turned to digital-to-analogue by distributor (12)
Mold changing block (13)；D/A converter module (13) convert electrical signals to pressure signal be transferred to touch screen (14) carry out pressure show
Show.
3. LCD glass melting furnace pressure gauge according to claim 2, it is characterised in that the pressure guiding pipe (4) with
High-pressure side (6) connection of pressure transmitter (5).
4. LCD glass melting furnace pressure gauge according to claim 2, it is characterised in that the condensed water collector pipe
(9) it is connected with the high-pressure side (6) of pressure transmitter (5), and also sets up between condensed water collector pipe (9) and pressure transmitter (5)
There is the first stop valve (8).
5. LCD glass melting furnace pressure gauge according to claim 2, it is characterised in that the furnace pressure reference edge
(11) it is connected with the low-pressure end (7) of pressure transmitter (5).
6. LCD glass melting furnace pressure gauge according to claim 2, it is characterised in that the pressure port brick (2)
It is interference fit between pressure pipe (3).
7. LCD glass melting furnace pressure gauge according to claim 2, it is characterised in that the pressure transmitter
(5) cooling fan is also associated with.
8. LCD glass melting furnace pressure gauge according to claim 2, it is characterised in that the D/A converter module
(13) using ADAM4017-1 type D/A converter modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931858.9A CN106595943A (en) | 2016-10-31 | 2016-10-31 | Device for measuring pressure of liquid crystal glass tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931858.9A CN106595943A (en) | 2016-10-31 | 2016-10-31 | Device for measuring pressure of liquid crystal glass tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595943A true CN106595943A (en) | 2017-04-26 |
Family
ID=58555903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610931858.9A Pending CN106595943A (en) | 2016-10-31 | 2016-10-31 | Device for measuring pressure of liquid crystal glass tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595943A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708800A (en) * | 2018-12-18 | 2019-05-03 | 彩虹（合肥）液晶玻璃有限公司 | A kind of flue air pressure measuring apparatus, method and furnace flue structure |
| CN109724426A (en) * | 2018-11-30 | 2019-05-07 | 郑州旭飞光电科技有限公司 | Glass furnace controling of the pressure of the oven system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6532767B1 (en) * | 1998-09-22 | 2003-03-18 | Corning Incorporated | Methods for producing fused silica glass |
| CN2702994Y (en) * | 2004-04-26 | 2005-06-01 | 梁勇 | Precision bubbling device for glass melting tank furnace |
| CN1811648A (en) * | 2006-01-10 | 2006-08-02 | 中国建筑材料科学研究院 | Micro-positive-pressure measuring and controlling method and system in synthetizing quartz glass |
| CN201281641Y (en) * | 2008-10-06 | 2009-07-29 | 巨石集团有限公司 | Device for measuring pressure of glass kiln |
| CN202329257U (en) * | 2011-12-07 | 2012-07-11 | 郑州旭飞光电科技有限公司 | System for monitoring ambient pressure of kiln |
-
2016
- 2016-10-31 CN CN201610931858.9A patent/CN106595943A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6532767B1 (en) * | 1998-09-22 | 2003-03-18 | Corning Incorporated | Methods for producing fused silica glass |
| CN2702994Y (en) * | 2004-04-26 | 2005-06-01 | 梁勇 | Precision bubbling device for glass melting tank furnace |
| CN1811648A (en) * | 2006-01-10 | 2006-08-02 | 中国建筑材料科学研究院 | Micro-positive-pressure measuring and controlling method and system in synthetizing quartz glass |
| CN201281641Y (en) * | 2008-10-06 | 2009-07-29 | 巨石集团有限公司 | Device for measuring pressure of glass kiln |
| CN202329257U (en) * | 2011-12-07 | 2012-07-11 | 郑州旭飞光电科技有限公司 | System for monitoring ambient pressure of kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724426A (en) * | 2018-11-30 | 2019-05-07 | 郑州旭飞光电科技有限公司 | Glass furnace controling of the pressure of the oven system |
| CN109708800A (en) * | 2018-12-18 | 2019-05-03 | 彩虹（合肥）液晶玻璃有限公司 | A kind of flue air pressure measuring apparatus, method and furnace flue structure |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
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| RJ01 | Rejection of invention patent application after publication |