CN202994254U - Liquid level detecting device - Google Patents
Liquid level detecting device Download PDFInfo
- Publication number
- CN202994254U CN202994254U CN 201320001776 CN201320001776U CN202994254U CN 202994254 U CN202994254 U CN 202994254U CN 201320001776 CN201320001776 CN 201320001776 CN 201320001776 U CN201320001776 U CN 201320001776U CN 202994254 U CN202994254 U CN 202994254U
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- light
- liquid
- pick
- containment vessel
- detecting device
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- Expired - Fee Related
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides a liquid surplus detecting device, which is applied to the display field. The liquid level detecting device comprises a protective shell, a magnetic induction light-emitting element, and a signal generator, wherein the protective shell is insoluble in water; the magnetic induction light-emitting element is arranged on the inner part of the protective shell as an induction apparatus and a light source of the detecting device; the signal generator is used for generating and emitting electromagnetic pulses; a magnetic induction coil in the magnetic induction light-emitting element is used for inducing an electromagnetic pulse signal, so that a light-emitting diode twinkles; and the spherical protective shell comprises a light transmission area and a light-tight area, wherein the light transmission area is annular and formed on the middle part of the protective shell surface. According to the liquid level detecting device, the protective shell is spherical, so that the detecting device is not adhered on the inner wall of the device with the liquid; and besides, the light transmission area is designed, so that the liquid height of the residual liquid can be conveniently and precisely measured.
Description
Technical field
The utility model relates to the detection technique field, relates in particular to a kind of pick-up unit of liquid levels height.
Background technology
In the device of carrying liquid, often need to know the surplus of liquid, but usually can be because the device outer wall be nontransparent device, or the liquid of thickness adheres on outer wall, stopped sight line.With OLED(Organic Light-Emitting Diode, Organic Light Emitting Diode) device be prepared as example, the life-span of OLED product only has 5000h usually at present.In order effectively to intercept water and oxygen to the impact of OLED device, improve the life-span of OLED device, each major company falls over each other to develop various method for packing, but the most ripe drying sheet that remains pastes and UV glue (Ultraviolet, ultra-violet curing glue) coating process (Getter ﹠amp at present; Dispenser).
UV glue coating apparatus and LCD(Liquid Crystal Display, LCDs) sealed plastic box coating apparatus is similar, as shown in Figure 1, UV glue 2 is put into needle tubing 1, pass into certain air pressure for needle tubing 1, glue is extruded from syringe needle, be coated on base plate for packaging.The multiplex trnaslucent materials of needle tubing 1 of splendid attire UV glue 2 is made, and the UV light in environment carries out blocking to a certain degree to external world so on the one hand, and producers also can observe the residue glue amount in needle tubing 1 simultaneously.But UV glue 2 has certain stickability, and part glue adheres on needle tubing 1 inwall, often causes producers' erroneous judgement.When also having the glue of certain altitude in producers observe UV needle tubing 1, the glue amount in its actual UV needle tubing 1 is lower than warning line.
The utility model content
Embodiment of the present utility model provides a kind of pick-up unit of liquid levels height, is used for realizing the liquid level of Real-Time Monitoring liquid.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of pick-up unit of liquid levels height comprises: signal generator, be positioned at the outside of liquid container, and be used for sending electromagnetic pulse; The magnetic strength light-emitting component is positioned at the inside of described liquid container, is used for receiving the electromagnetic pulse that described signal generator sends and sends light signal; Containment vessel, described containment vessel not with liquid container in liquid reactions, and make the magnetic strength light-emitting component be suspended in liquid surface.
Preferably, contain magnetic induction loop in described magnetic strength light-emitting component, can the INDUCED ELECTROMAGNETIC PULSE signal.
Preferably, it is characterized in that, contain light emitting diode in described magnetic strength light-emitting component, as light source.
Preferably, described containment vessel is spherical structure.
Preferably, described containment vessel comprises transmission region and light tight zone.
Preferably, described transmission region is annular, and this annular is take the center of described protection housing as the center of circle.
The pick-up unit of a kind of residual liquid quantity that the utility model provides, the electromagnetic pulse of utilizing described magnetic strength light-emitting component induced signal generator to send, and then the voltage and current that changes, make LED flash, determine the amount of residue glue in needle tubing by the luminous point position of observing described light emitting diode.Utilize containment vessel to protect inner electron device, and containment vessel is designed to spherical, avoid pick-up unit to adhere on needle interior wall.Utilize this pick-up unit can precise monitoring the height of residue liquid level, in order in time add liquid.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the constitutional diagram of residue glue in common needle tubing in producing;
Fig. 2 is the designed magnetic strength light-emitting device figure of the utility model;
Fig. 3 is the installation drawing that the utility model utilizes residue glue liquid level in designed magnetic strength light-emitting device monitoring needle tubing.
Reference numeral: 1, needle tubing; 2, residue glue; 3, magnetic induction loop; 4, high-frequency diode; 5, transmission region; 6, light tight regional volume; 7, light emitting diode; 8, magnetic strength light-emitting component; 81, containment vessel; 9, signal generator; 10, signal generator switch.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The pick-up unit of a kind of liquid levels height that the utility model embodiment is provided below in conjunction with accompanying drawing is described in detail, mainly using as example with the UV plastic pin pipe that uses in the OLED device fabrication processes.
Referring to figs. 2 and 3 shown in, the pick-up unit of the disclosed a kind of liquid levels height of the utility model comprises: signal generator 9, be positioned at the outside of needle tubing 1, when opening signal generator switch 10, can send electromagnetic pulse; Magnetic strength light-emitting component 8, described magnetic strength light-emitting component 8 is positioned at the inside of needle tubing 1, with sensing device and the light source as described pick-up unit; Be insoluble to the containment vessel 81 of institute's holding liquid in needle tubing, because the buoyancy of this containment vessel 81 makes magnetic strength light-emitting component 8 be suspended in liquid surface.
Described magnetic strength light-emitting component 8 comprises: magnetic induction loop 3, high-frequency diode 4, light emitting diode 7, described magnetic strength light-emitting component 8 can the INDUCED ELECTROMAGNETIC PULSE signals, and the voltage and current that changes makes light emitting diode 7 flickers, emits beam.
In order to make described pick-up unit more stable in glue; preferably; described magnetic strength light-emitting component 8 is arranged on a side light tight regional 6 of containment vessel 81 inside, makes pick-up unit present an end and weigh and the light state of the other end, a heavy like this end is in the bottom always and glue is in contact with one another.
For fear of being sticked on the inwall of needle tubing 1, described magnetic strength light-emitting component 8 affects accuracy in detection; preferably, described containment vessel 81 is designed to spherical structure, can reduces contact area like this; and then reduce cohesive force, make magnetic strength light-emitting component 8 be difficult for adhering on the inwall of needle tubing 1.
In order to allow light emitting diode 7 send ring-shaped light, easilier identified by producers, preferred, described containment vessel 101 is designed to comprise transmission region 5 and light tight regional 6 structure, wherein transmission region 5 is ring texture, as shown in Figure 2.This ring texture is take the center of described containment vessel 81 housings as the center of circle.
In order to protect magnetic strength light-emitting component 8 not to be subjected to the impact (such as infiltration of glue etc.) of external environment; and then the life-span of prolongation monitoring device; preferably; containment vessel 81 is designed to all-sealed structure; destroy electron device with the infiltration that prevents UV glue 2; in addition, containment vessel 81 inside are full of the inert gases such as helium, nitrogen, prevent the generation of oxidation reaction.
Using method of the present invention: when changing UV glue 2, the magnetic strength light-emitting component 8 of containment vessel 81 parcels is put in UV plastic pin pipe 1, this device can swim in UV glue 2 surfaces, and along with the use of UV glue 2, liquid level descends, and magnetic strength light-emitting component 8 also descends thereupon.When needs detected the liquid level of UV glue 2, operating personnel operated the signal generator 9 that is positioned at needle tubing 1 outside, opening signal generator 9 in certain distance range.Magnetic induction loop 3 is sensed stronger electromagnetic pulse, and the voltage and current that changes, light emitting diode 7 can not stop flicker, and producers can know the real liquid surface height of residue UV glue 2, thereby realizes the accurate detection of the liquid level of residue UV glue 2.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement are within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. the pick-up unit of a liquid levels height, is characterized in that, comprising:
Signal generator is positioned at the outside of liquid container, is used for sending electromagnetic pulse;
The magnetic strength light-emitting component is positioned at the inside of liquid container, is used for receiving the electromagnetic pulse that described signal generator sends and sends light signal;
Containment vessel, described containment vessel not with liquid container in liquid reactions, and make the magnetic strength light-emitting component be suspended in liquid surface.
2. pick-up unit according to claim 1, is characterized in that, contains magnetic induction loop in described magnetic strength light-emitting component, can the INDUCED ELECTROMAGNETIC PULSE signal.
3. pick-up unit according to claim 1, is characterized in that, contains light emitting diode in described magnetic strength light-emitting component, as light source.
4. pick-up unit according to claim 1, is characterized in that, described containment vessel is spherical structure.
5. pick-up unit according to claim 1, is characterized in that, described containment vessel inside is full of inert gas.
6. pick-up unit according to claim 1, is characterized in that, described containment vessel comprises transmission region and light tight zone.
7. pick-up unit according to claim 6, is characterized in that, described transmission region is annular, and this annular is centered by the center of described protection housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001776 CN202994254U (en) | 2013-01-04 | 2013-01-04 | Liquid level detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001776 CN202994254U (en) | 2013-01-04 | 2013-01-04 | Liquid level detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994254U true CN202994254U (en) | 2013-06-12 |
Family
ID=48565426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320001776 Expired - Fee Related CN202994254U (en) | 2013-01-04 | 2013-01-04 | Liquid level detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994254U (en) |
-
2013
- 2013-01-04 CN CN 201320001776 patent/CN202994254U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20220104 |