CN106338321A - Photoelectric liquid level gauge - Google Patents

Photoelectric liquid level gauge Download PDF

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Publication number
CN106338321A
CN106338321A CN201610773460.7A CN201610773460A CN106338321A CN 106338321 A CN106338321 A CN 106338321A CN 201610773460 A CN201610773460 A CN 201610773460A CN 106338321 A CN106338321 A CN 106338321A
Authority
CN
China
Prior art keywords
liquid level
rectangular tube
photoelectric
level gauge
level display
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
Application number
CN201610773460.7A
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Chinese (zh)
Inventor
周峰
曹骏骅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Safe Electronics Co Ltd
Original Assignee
Anhui Safe Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Safe Electronics Co Ltd filed Critical Anhui Safe Electronics Co Ltd
Priority to CN201610773460.7A priority Critical patent/CN106338321A/en
Publication of CN106338321A publication Critical patent/CN106338321A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/68Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/70Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points
    • G01F23/706Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points using opto-electrically actuated indicating means

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)

Abstract

The invention relates to a photoelectric liquid level gauge, belonging to the application field of photoelectric elements. The photoelectric liquid level gauge comprises a measurer and a liquid level display console, wherein the measurer comprises a rectangular tube, luminous sources, photosensitive diodes and a floating body; the rectangular tube is fixedly placed in liquid, two opposite sides of the rectangular tube are in net shapes, and the other two opposite sides of the rectangular tube are plates; the luminous sources are installed on the plate at one side of the rectangular tube, the photosensitive diodes are installed on the plate at the side opposite to the luminous sources, and the luminous sources and the photosensitive diodes are arranged at the same level; the shape of the floating body is the same as that of a tube cavity of the rectangular tube and can move up and down along the tube cavity of the rectangular tube; the liquid level display console is arranged outside the measurer; liquid level indicator lights are arranged on the liquid level display console and are connected with the photosensitive diodes in parallel. According to the photoelectric liquid level gauge, the light which is emitted by the luminous sources and received by the photosensitive diodes is blocked by the up and down movement of the floating body floating on the surface of the liquid in the rectangular tube, so that electrical signals are changed, and liquid level dispaly lamps are enabled to display; the photoelectric liquid level gauge is simple in structure and circuit, small in size, low in cost, free from mechanical wear and long in service life.

Description

A kind of photoelectric liquid level gauge
Technical field
The present invention relates to a kind of liquidometer, more particularly, to a kind of photoelectric liquid level gauge, belong to photoelectric original application.
Background technology
Liquidometer is a kind of sensor of measurement liquid level, and extensively application has liquid medium and it needs to measure its liquid The every field of position.At present, the more liquid level of application is in respect of float type liquid level switch, photoelectric liquid level sensor etc..Wherein, float The operation principle of formula liquidometer is: float is dipped in the buoyancy producing in liquid upwards, buoyancy pushing drawing rod or push directly on Magnet, So that the tongue tube adhesive of inside or disconnection.Application shows, float type liquid level switch has multinomial shortcoming, for example, there is machine Tool moves, and has friction, short life;Float must be dipped in liquid, it is therefore desirable to liquid has certain depth and area, volume Greatly, inconvenience is installed;Float type level gauge can only on put or underlying install it is not possible to tilt, be mounted laterally, limitation is big.And Photoelectric liquid level sensor, due to structure design reason, has the disadvantage that mostly, and volume is big, high cost, installs inconvenient.Other Such as fibre optic liquid level sensor, ultrasonic liquid level sensor etc., because Circuits System is complicated, manufacturing cost is very high, seldom exists The low cost such as household electrical appliances field is using it is therefore desirable to improve further.
Content of the invention
The present invention is exactly in view of the shortcomings of the prior art, there is provided a kind of photoelectric liquid level gauge.
For solving the above problems, the technical solution used in the present invention is as follows:
A kind of photoelectric liquid level gauge, including measuring device and liquid level display station, described measuring device include rectangular tube, luminous source, photosensitive two Pole pipe and buoyancy aid, in a liquid, the corresponding two sides in its side is netted to rectangular tube fixed placement, and the corresponding two sides of opposite side is Plate, luminous source is arranged on the side plate of rectangular tube, and light sensitive diode is arranged on the corresponding side plate of rectangular tube, and luminous source with Light sensitive diode same level, opaque buoyancy aid shape is identical with rectangular tube lumen shape, and can be upper and lower along rectangular tube tube chamber Mobile, it is provided with liquid level display station outside measuring device, measuring device and liquid level display station electrically connect, liquid level display station is provided with liquid level and shows Show lamp, liquid level display lamp is in parallel with light sensitive diode.
Further, described rectangular tube is provided with the multi-group light-emitting source being easy to detect multi-level and light sensitive diode.
Further, described luminous source and liquid level display lamp are connected with external power source respectively.
Further, described liquid level display station is additionally provided with the pump housing switch being easy to control conveying liquid.
Further, described rectangular tube upper and lower is provided with the end cap preventing buoyancy aid from running out of.
Compared with prior art, the implementation result of the present invention is as follows for the present invention:
A kind of photoelectric liquid level gauge of the present invention, is moved up and down in rectangular tube by floating on the buoyancy aid of liquid level, blocks photosensitive Diode receives the light that sends of luminous source, changes the signal of telecommunication, through liquid level display lamp show liquid level, structure and circuit simple, Small volume, low cost, mechanical abrasion, high life.
Brief description
Fig. 1 is a kind of photoelectric liquid level gauge circuit theory schematic diagram of the present invention.
Fig. 2 is a kind of photoelectric liquid level gauge structural representation of the present invention.
Wherein, 10 measuring devices, 11 rectangular tubes, 12 luminous sources, 13 light sensitive diodes, 14 buoyancy aids, 15 ends Lid, 20 liquid level display stations, 21 liquid level display lamps, 22 pump housing switches.
Specific embodiment
Present disclosure to be described below in conjunction with specific embodiments.
It is illustrated in figure 1 a kind of photoelectric liquid level gauge circuit theory schematic diagram of the present invention, luminous after luminous source 12 energising, Light sensitive diode 13 produces electric current, and liquid level display lamp 21 short circuit by normal work after receiving light source, when light sensitive diode 13 When not receiving light source, liquid level display lamp 21 normally lights work.
It is illustrated in figure 2 a kind of photoelectric liquid level gauge structural representation of the present invention, show including measuring device 10 and liquid level Platform 20, described measuring device 10 includes rectangular tube 11, luminous source 12, light sensitive diode 13 and buoyancy aid 14, rectangular tube 11 fixed placement In a liquid, the corresponding two sides in its side is netted, and the corresponding two sides of opposite side is plate, and luminous source 12 is arranged on rectangular tube 11 On side plate, light sensitive diode 13 is arranged on the corresponding side plate of rectangular tube 11, and luminous source 12 is same with light sensitive diode 13 Level, opaque buoyancy aid 14 shape is identical with rectangular tube 11 lumen shape, and can move up and down along rectangular tube 11 tube chamber, measurement It is provided with liquid level display station 20, measuring device 10 and liquid level display station 20 electrically connect, and liquid level display station 20 is provided with liquid level outside device 10 Display lamp 21, liquid level display lamp 21 is in parallel with light sensitive diode 13.Luminous, light sensitive diode 13 receiving light after luminous source 12 energising Produce electric current behind source, and will normal work liquid level display lamp 21 short circuit, liquid level display lamp 21 do not light, when liquid level rise or under Drop to certain position, the buoyancy aid 14 swimming on liquid level is located between luminous source 12 and light sensitive diode 13, and buoyancy aid 14 blocks The light that luminous source 12 sends, when light sensitive diode 13 does not receive light source, liquid level display lamp 21 normally lights work, you can instruction Water level position.
Described rectangular tube 11 is provided with the multi-group light-emitting source 12 being easy to detect multi-level and light sensitive diode 13, in rectangular tube 11 from top to bottom, and diverse location is provided with multi-group light-emitting source 12 and the installation site of light sensitive diode 13, and liquid corresponding with outside Position display lamp 21 is connected, and can as needed different liquid levels be monitored.
Described luminous source 12 and liquid level display lamp 21 are connected with external power source respectively, it is to avoid the impact to power supply for the liquid, with When be convenient for changing and safeguard.
The pump housing switch 22 being easy to control conveying liquid is additionally provided with described liquid level display station 20, can be for different liquid Position display lamp 21 light situation, by switching the 22 reasonable foldings controlling the pump housings, timely fluid infusion or stop liquid.
Described rectangular tube 11 upper and lower is provided with the end cap 15 preventing buoyancy aid 14 from running out of, and prevents liquid level too low or too high, Buoyancy aid 14 is departed from rectangular tube 11, impact is normal to be used.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (5)

1. a kind of photoelectric liquid level gauge, is characterized in that, including measuring device (10) and liquid level display station (20), described measuring device (10) bag Include rectangular tube (11), luminous source (12), light sensitive diode (13) and buoyancy aid (14) rectangular tube (11) fixed placement in a liquid, its The corresponding two sides in side is netted, and the corresponding two sides of opposite side is plate, and luminous source (12) is arranged on the side plate of rectangular tube (11) On, light sensitive diode (13) is arranged on the corresponding side plate of luminous source (12), and luminous source (12) is same with light sensitive diode (13) One level, opaque buoyancy aid (14) shape is identical with rectangular tube (11) lumen shape, and can be upper and lower along rectangular tube (11) tube chamber Mobile, it is provided with liquid level display station (20) outside measuring device (10), measuring device (10) and liquid level display station (20) electrically connect, liquid level shows Show that platform (20) is provided with liquid level display lamp (21), liquid level display lamp (21) is in parallel with light sensitive diode (13).
2. a kind of photoelectric liquid level gauge as claimed in claim 1, is characterized in that, described rectangular tube (11) is provided with and is easy to detect many liquid The multi-group light-emitting source (12) of position and light sensitive diode (13).
3. a kind of photoelectric liquid level gauge as claimed in claim 1 or 2, is characterized in that, described luminous source (12) and liquid level display lamp (21) it is connected with external power source respectively.
4. a kind of photoelectric liquid level gauge as claimed in claim 1 or 2, is characterized in that, described liquid level display station (20) is additionally provided with just In pump housing switch (22) controlling conveying liquid.
5. a kind of photoelectric liquid level gauge as claimed in claim 1 or 2, is characterized in that, described rectangular tube (11) upper and lower is provided with Prevent the end cap (15) that buoyancy aid (14) is run out of.
CN201610773460.7A 2016-08-31 2016-08-31 Photoelectric liquid level gauge Pending CN106338321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610773460.7A CN106338321A (en) 2016-08-31 2016-08-31 Photoelectric liquid level gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610773460.7A CN106338321A (en) 2016-08-31 2016-08-31 Photoelectric liquid level gauge

Publications (1)

Publication Number Publication Date
CN106338321A true CN106338321A (en) 2017-01-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610773460.7A Pending CN106338321A (en) 2016-08-31 2016-08-31 Photoelectric liquid level gauge

Country Status (1)

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CN (1) CN106338321A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111359815A (en) * 2020-03-24 2020-07-03 杭州宣阳科技有限公司 Motor vehicle paint automatic mixing device based on light sensation control

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2527980Y (en) * 2002-03-13 2002-12-25 任召全 Liquid level measurer
CN101121326A (en) * 2006-08-08 2008-02-13 研能科技股份有限公司 Ink storage quantity detecting device
CN204405147U (en) * 2015-01-22 2015-06-17 王晓艺 A kind of culvert ponding alarming device
CN104729635A (en) * 2013-12-20 2015-06-24 西安兴仪科技股份有限公司 Laser-based liquid level warning device
CN105203186A (en) * 2015-08-24 2015-12-30 杨瑾婷 Luminous liquid level meter
CN204988441U (en) * 2015-08-05 2016-01-20 莱芜钢铁集团电子有限公司 Float gauge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2527980Y (en) * 2002-03-13 2002-12-25 任召全 Liquid level measurer
CN101121326A (en) * 2006-08-08 2008-02-13 研能科技股份有限公司 Ink storage quantity detecting device
CN104729635A (en) * 2013-12-20 2015-06-24 西安兴仪科技股份有限公司 Laser-based liquid level warning device
CN204405147U (en) * 2015-01-22 2015-06-17 王晓艺 A kind of culvert ponding alarming device
CN204988441U (en) * 2015-08-05 2016-01-20 莱芜钢铁集团电子有限公司 Float gauge
CN105203186A (en) * 2015-08-24 2015-12-30 杨瑾婷 Luminous liquid level meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111359815A (en) * 2020-03-24 2020-07-03 杭州宣阳科技有限公司 Motor vehicle paint automatic mixing device based on light sensation control
CN111359815B (en) * 2020-03-24 2021-07-09 聊城市飓风工业设计有限公司 Motor vehicle paint automatic mixing device based on light sensation control

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Application publication date: 20170118

RJ01 Rejection of invention patent application after publication