CN207457854U - One kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device - Google Patents
One kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device Download PDFInfo
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- CN207457854U CN207457854U CN201720925499.6U CN201720925499U CN207457854U CN 207457854 U CN207457854 U CN 207457854U CN 201720925499 U CN201720925499 U CN 201720925499U CN 207457854 U CN207457854 U CN 207457854U
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- cooling water
- liquid level
- water tank
- control unit
- lcd glass
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Abstract
One kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, be related to TFT-LCD glass substrate processing technique fields, including liquid level detection device, electromagnetic control apparatus, PLC control unit, human-computer dialogue device and mounting blocks；Mounting blocks are arranged on the top of cooling water tank, mounting blocks and cooling water tank to be detachably connected；Liquid level detection device is mounted on mounting blocks and is connected with electromagnetic control apparatus, and liquid level detection device is used to detect the height of water level in cooling water tank；Electromagnetic control apparatus is connected with PLC control unit, and the human-computer dialogue device includes alarm, and alarm is connected with PLC control unit.Liquid level in cooling water tank is detected by liquid level detection device, when the water level in cooling water tank is higher than safe altitude, the alarm equipment alarm in human-computer dialogue device is controlled by PLC control unit and electromagnetic control apparatus, staff's timely processing is reminded, avoids the occurrence of the phenomenon that cooling water overflows cooling water tank.
Description
Technical field
The utility model is related to TFT-LCD glass substrate processing technique fields, are specially that one kind can reduce TFT-LCD glass
Glass substrate grinds cooling water overflow warning device.
Background technology
With the continuous development of electronic technology, more and more TFT-LCD (Thin Film Transistor-Liquid
Crystal Display, liquid crystal display) display screen is widely used in each electronic product, and TFT-LCD display screens lead to
Often manufactured by TFT-LCD glass substrates.
For TFT-LCD glass substrates in grinder process of lapping, abrasive wheel cooling water supply system includes source water supply system
System, coolant quantify make-up system, cooling water constant pressure feed system, cooling water tank and electrical control composition, can complete coolant
Quantitative mixing synchronous with source water and cooling water supply operation from constant pressure, and inlet is provided on cooling water tank.
At present, the position of cooling water tank is in the repair side of grinder, and when water level is less than the first specified altitude assignment, water compensating valve is beaten
It opens, starts moisturizing；When the position of moisturizing is higher than the second specified altitude assignment, though cooling water tank has overflow system, flooding velocity mistake
Slowly, frequently result in cooling water and overflow cooling water tank, and grinder is alarmed, and abrasive wheel causes abrasive wheel to damage without water supply, right
Production impacts.
Utility model content
For problems of the prior art, the utility model, which provides one kind, can reduce the grinding of TFT-LCD glass substrates
Cooling water overflow warning device, the excessively high alarm of liquid level in cooling water tank, prevents cooling water from overflowing.
The utility model is to be achieved through the following technical solutions：
One kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, including liquid level detection device, electricity
Magnetic controller, PLC control unit, human-computer dialogue device and mounting blocks；
The mounting blocks are arranged on the top of cooling water tank, mounting blocks and cooling water tank to be detachably connected；
The liquid level detection device is mounted on mounting blocks and is connected with electromagnetic control apparatus, and liquid level detection device is used to detect
Height of water level in cooling water tank；
The electromagnetic control apparatus is connected with PLC control unit, the human-computer dialogue device include alarm, alarm and
PLC control unit connects.
Optionally, long-range CC-LINK devices, one end of the long-range CC-LINK devices and electromagnetic control apparatus are further included
Connection, the other end are connected with PLC control unit.
Optionally, the mounting blocks are rectangular slab, and the rectangular slab is provided at both ends with threaded hole, and centre is provided with logical
Hole；
The cooling water tank and mounting blocks are bolted, and one end of liquid level detection device passes through the through hole on rectangular slab
Into cooling water tank.
Optionally, the liquid level detection device switchs for liquid-level floater.
Optionally, the electromagnetic control apparatus is electromagnetic relay.
Optionally, the human-computer dialogue device further includes touch-screen, and the touch-screen is connected with PLC control unit.
Optionally, solenoid valve is further included, the solenoid valve is arranged on the inlet of cooling water tank and PLC control unit connects
It connects.
Optionally, high liquid level indicator light and low liquid level indicator light, the high liquid level indicator light and low liquid level instruction are further included
Lamp connects respectively with PLC control unit.
Compared with prior art, the utility model has technique effect beneficial below：
Liquid level in cooling water tank is detected by liquid level detection device, when the water level in cooling water tank is high higher than safety
When spending, the alarm equipment alarm in human-computer dialogue device is controlled by PLC control unit and electromagnetic control apparatus, reminds staff
Timely processing avoids the occurrence of the phenomenon that cooling water overflows cooling water tank, and mounting blocks and cooling water tank are to be detachably connected, just
In installation and repair.
Further, by long-range CC-LINK connection PLC control units and electromagnetic control apparatus, realizing can to one kind
Reduce the remote control of TFT-LCD glass substrates grinding cooling water overflow warning device；
Further, human-computer interaction can be realized by touch-screen, the working condition of whole device is controlled by touch-screen；
Further, the solenoid valve of PLC control unit control cooling water tank inlet, realizes the liquid level in cooling water tank
Stopping is supplied water when excessively high, the function of the too low moisturizing of liquid level in cooling water tank, ensures the normal operation of equipment.
Description of the drawings
Fig. 1 is that one kind that the utility model embodiment provides can reduce TFT-LCD glass substrates grinding cooling water overflow report
The schematic diagram of alarm device；
In figure：It is 1. detection device, 2. electromagnetic control apparatus, 3. long-range CC-LINK devices, 4.PLC control units, 5. man-machine
Interface, 6. cooling water tanks, 7. mounting blocks.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
As shown in Figure 1, one kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, examined including liquid level
Survey device 1, electromagnetic control apparatus 2, long-range CC-LINK devices 3, PLC control unit 4, human-computer dialogue device 5,6 and of cooling water tank
Mounting blocks 7；
Mounting blocks 7 are arranged on the top of cooling water tank 6, and mounting blocks 7 are rectangular slab, which is provided at both ends with screw thread
Hole, centre are provided with through hole；Cooling water tank 6 and mounting blocks 7 are bolted, and one end of liquid level detection device 1 passes through rectangle
Through hole on plate enters cooling water tank 6.
Liquid level detection device 1 is mounted on mounting blocks 7 and is connected with electromagnetic control apparatus 2, and liquid-level floater switchs to detect
Height of water level in cooling water tank 6；
Electromagnetic control apparatus 2 is connected by long-range CC-LINK devices 3 and PLC control unit 4, and human-computer dialogue device 5 includes
Alarm, alarm and PLC control unit 4 connect, when the liquid level that liquid level detection device 1 is detected in cooling water tank 6 is higher than peace
During full-height, feedback overflow alarming signal controls alarm equipment alarm to PLC control unit 4, PLC control unit 4；Work as level sensing
When device 1 detects that the liquid level in cooling water tank 6 is less than using height and water compensating valve not moisturizing, feedback fault-signal is to PLC
Control unit 4.
Wherein, liquid level detection device 1 can be that liquid-level floater switchs, and electromagnetic control apparatus 2 can be electromagnetic relay.
Human-computer dialogue device 5 further includes touch-screen, and touch-screen and PLC control unit 4 connect, and includes promptly stopping on touch-screen
The buttons such as machine button, hand push button and automatic button, for carrying out emergency operation and switch operating state etc. to equipment.
Optionally, solenoid valve is arranged on the inlet of cooling water tank 6, is controlled by long-range CC-LINK devices 3 and PLC single
Member 4 connects.
One kind that the utility model embodiment provides can reduce TFT-LCD glass substrates grinding cooling water overflow alarm dress
It puts and further includes high liquid level indicator light and low liquid level indicator light, high liquid level indicator light and low liquid level indicator light pass through long-range CC- respectively
LINK devices 3 and PLC control unit 4 connect.
Under milling apparatus automatic condition, switched by liquid-level floater by two position alarm function in interactive system
Reach alarm purpose, PLC control unit 4 will act on long-range CC-LINK devices 3, and long-range CC-LINK devices 3 act on electromagnetism
Control device 2, electromagnetic control apparatus 2 act on liquid level liquid level float switch, and liquid-level floater switch acts on again after detecting signal
In PLC control unit 4, PLC control unit 4 sends warning message to human-computer dialogue device 5, and operating personnel is reminded to locate in time
Reason reduces overflow alarm condition and occurs.
Liquid level in cooling water tank 6 is detected by liquid level detection device 1, when the water level in cooling water tank 6 is higher than peace
During full-height, the alarm equipment alarm in 2 human-computer dialogue devices 5 is controlled by PLC control unit 4 and electromagnetic control apparatus, is reminded
Staff's timely processing, avoids the occurrence of the phenomenon that cooling water overflows cooling water tank 6, and mounting blocks 7 and cooling water tank 6 is can
Dismantling connection is easy for installation and maintenance.PLC control unit 4 and electromagnetic control apparatus 2 are connected by long-range CC-LINK devices 3,
It realizes to a kind of remote control for reducing TFT-LCD glass substrates grinding cooling water overflow warning device；Pass through touch-screen
It can realize human-computer interaction, control the working condition of whole device；PLC control unit 4 controls the electromagnetism of 6 inlet of cooling water tank
Valve, realize liquid level in cooling water tank 6 it is excessively high when stop supplying water, the function of the too low moisturizing of liquid level, ensures to set in cooling water tank 6
Standby normal operation.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. one kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, which is characterized in that be examined including liquid level
Survey device (1), electromagnetic control apparatus (2), PLC control unit (4), human-computer dialogue device (5) and mounting blocks (7)；
The mounting blocks (7) are arranged on the top of cooling water tank (6), mounting blocks (7) and cooling water tank (6) to be detachably connected；
The liquid level detection device (1) is mounted on mounting blocks (7) and electromagnetic control apparatus (2) connection, liquid level detection device are used
Height of water level in detection cooling water tank (6)；
The electromagnetic control apparatus (2) and PLC control unit (4) connection, the human-computer dialogue device (5) include alarm, report
Alert device and PLC control unit (4) connection.
2. one kind as described in claim 1 can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, special
Sign is, further includes long-range CC-LINK devices (3), one end of the long-range CC-LINK devices (3) and electromagnetic control apparatus (2)
Connection, the other end and PLC control unit (4) connection.
3. one kind as described in claim 1 can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, special
Sign is that the mounting blocks (7) are rectangular slab, and the rectangular slab is provided at both ends with threaded hole, and centre is provided with through hole；
The cooling water tank (6) and mounting blocks (7) are bolted, and one end of liquid level detection device (1) is passed through on rectangular slab
Through hole enter cooling water tank (6).
4. one kind as described in claim 1 can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, special
Sign is that the liquid level detection device (1) switchs for liquid-level floater.
5. one kind as described in claim 1 can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, special
Sign is that the electromagnetic control apparatus (2) is electromagnetic relay.
6. one kind as described in claim 1 can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, special
Sign is that the human-computer dialogue device (5) further includes touch-screen, the touch-screen and PLC control unit (4) connection.
7. one kind as described in claim 1 can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, special
Sign is, further includes solenoid valve, and the solenoid valve is arranged on the inlet of cooling water tank (6) and PLC control unit (4) connection.
8. one kind as described in claim 1 can reduce TFT-LCD glass substrates grinding cooling water overflow warning device, special
Sign is, further includes high liquid level indicator light and low liquid level indicator light, the high liquid level indicator light and low liquid level indicator light respectively and
PLC control unit (4) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925499.6U CN207457854U (en) | 2017-07-27 | 2017-07-27 | One kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925499.6U CN207457854U (en) | 2017-07-27 | 2017-07-27 | One kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457854U true CN207457854U (en) | 2018-06-05 |
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ID=62249016
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720925499.6U Active CN207457854U (en) | 2017-07-27 | 2017-07-27 | One kind can reduce TFT-LCD glass substrates grinding cooling water overflow warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434692A (en) * | 2018-12-12 | 2019-03-08 | 彩虹（合肥）液晶玻璃有限公司 | A kind of coolant liquid make-up system and method |
-
2017
- 2017-07-27 CN CN201720925499.6U patent/CN207457854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434692A (en) * | 2018-12-12 | 2019-03-08 | 彩虹（合肥）液晶玻璃有限公司 | A kind of coolant liquid make-up system and method |
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