CN208297344U - A kind of liquid-detecting - Google Patents
A kind of liquid-detecting Download PDFInfo
- Publication number
- CN208297344U CN208297344U CN201821000155.5U CN201821000155U CN208297344U CN 208297344 U CN208297344 U CN 208297344U CN 201821000155 U CN201821000155 U CN 201821000155U CN 208297344 U CN208297344 U CN 208297344U
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- China
- Prior art keywords
- circuit
- liquid
- circuit device
- dielectric constant
- optocoupler
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Abstract
The utility model relates to technical field of liquid detection, and disclose a kind of liquid-detecting, including circuit device, the circuit device includes circuit device ontology, one end of the circuit device ontology is fixedly connected with circuit board, the circuit body is plugged in the inside of shell close to one end of circuit board, prism is provided in the middle part of the shell, the circuit device ontology opens up fluted close to one end of circuit board, it is provided with optocoupler in the groove and realizes region, optocoupler realization region is internally provided with photoelectric coupled circuit, the photoelectric coupled circuit includes photo-electroluminescence pipe and photoelectric receiving tube, the circuit board is internally provided with circuit device described in dielectric constant detection zone and shell grafting.The liquid-detecting realizes region and dielectric constant detection zone by setting optocoupler, the cooperation of optocoupler and dielectric constant detection may know that shell is in air, in oil, still in water, to reach testing goal.
Description
Technical field
The utility model relates to technical field of liquid detection, specially a kind of liquid-detecting.
Background technique
Currently, the well known device that can distinguish different characteristics liquid, is made of float and several tongue tubes.When the device
Behind corresponding position, using different liquids to the difference of float buoyancy, to confirm respective liquid characteristic.But structure
Greatly, it has higher requirements to the degree of purity of liquid, the liquid to be detected amount needed is larger, in the case where there is moving component, exists
Stuck hidden danger.In the small situation of liquid to be detected amount, the most not applicable (if gas station's two-compartment oil tank leaks hunting) is easy to make
At false judgment.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of liquid-detecting, has small in size, detection essence
Standard, movement-less part, it is only necessary to which a small amount of liquid to be detected is convenient for the advantages that promoting the use of, solves existing liquid-detecting body
The problem of the deficiencies of product is big, needs relatively large amount liquid to be detected, has stuck hidden danger, be easy to cause false judgment.
(2) technical solution
Above-mentioned small in size to realize, detection is accurate, movement-less part, it is only necessary to which a small amount of liquid to be detected makes convenient for popularization
Purpose, the utility model provide the following technical solutions: a kind of liquid-detecting, including circuit device, the circuit device packet
Circuit device ontology is included, one end of the circuit device ontology is fixedly connected with circuit board, and the circuit body is close to circuit board
One end be plugged in the inside of shell, be provided with prism in the middle part of the shell, the circuit device ontology is close to circuit board
One end open up it is fluted, be provided in the groove optocoupler realize region, the circuit board be internally provided with dielectric constant inspection
Survey region, the circuit device and shell grafting.
Preferably, what the optocoupler realized region is internally provided with photoelectric coupled circuit, and the photoelectric coupled circuit includes photo-electroluminescence
Pipe and photoelectric receiving tube.
Preferably, the dielectric constant detection zone is internally provided with dielectric constant detection circuit, the dielectric constant
Detection circuit includes metal inductive disks, special chip and a plug-in capacitor.
Preferably, the shell is transparent.
Preferably, the prism is set to the surface that optocoupler realizes region.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of liquid-detecting, have it is following the utility model has the advantages that
1, the liquid-detecting, by setting optocoupler realize region, when the device in air when, optocoupler realize region
The light launched can be totally reflected in the plan-position of shell, and most of light beam can be emitted back towards optocoupler and realize at region;When the dress
When setting in a liquid, as the light that the refractive index of liquid is close with material used in prism, and optocoupler realization field emission goes out, it can pass through
The device is projected in the plan-position of shell, and only very low amount light beam is emitted back towards optocoupler and realizes at region;Area is realized by measurement optocoupler
The voltage of domain receiving terminal can perceive above-mentioned two states, distinguish above two state, to judge that product is in air, also
It is in a liquid.
2, the liquid-detecting can perceive the collecting and distributing capacitance near it, lead to by the way that dielectric constant detection zone is arranged
The variation for detecting collecting and distributing capacitance near it is crossed, that is, may know that its corresponding dielectric constant values nearby, different material, to just different
Dielectric constant numerical value, by the size of the numerical value, to judge that shell is in water, or in air or oil.
3, the liquid-detecting realizes that region and dielectric constant detection zone, optocoupler are normal with dielectric by setting optocoupler
The cooperation of number detection may know that shell is in air, in oil, still in water, to reach testing goal.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of liquid-detecting stereochemical structure partial schematic diagram;
Fig. 2 be the utility model proposes a kind of liquid-detecting schematic view of the front view;
Fig. 3 be the utility model proposes a kind of liquid-detecting left view structural representation;
Fig. 4 be the utility model proposes a kind of liquid-detecting present invention looks up structural representation;
Fig. 5 be the utility model proposes a kind of liquid-detecting circuit device overlooking structure diagram;
Fig. 6 be the utility model proposes a kind of liquid-detecting in photoelectric coupled circuit circuit diagram;
Fig. 7 be the utility model proposes a kind of liquid-detecting medium dielectric constant microwave medium detection circuit circuit diagram.
In figure: 1 circuit device, 101 circuit device ontologies, 102 circuit boards, 2 shells, 3 prisms, 4 grooves, 5 optocouplers are realized
Region, 6 dielectric constant detection zones.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7 is please referred to, the utility model provides the following technical solutions: a kind of liquid-detecting, including circuit device
1, circuit device 1 includes circuit device ontology 101, and one end of circuit device ontology 101 is fixedly connected with circuit board 102, circuit
Ontology 101 is plugged in the inside of shell 2 close to one end of circuit board 102, shell 2 be it is transparent, the middle part of shell 2 is provided with prism
3, prism 3 is set to the surface that optocoupler realizes region 5, and circuit device ontology 101 offers recessed close to one end of circuit board 102
Slot 4 is provided with optocoupler in groove 4 and realizes region 5, and what optocoupler realized region 5 is internally provided with photoelectric coupled circuit, and photoelectric coupled circuit includes
Photo-electroluminescence pipe (D8 in Fig. 6) and photoelectric receiving tube (Q1 in Fig. 6) cooperate the prism 3 on shell 2, adjust to optical path
Whole deviation, using light the phenomenon that inhomogeneous medium propagation can generate refraction, when optical prism outer surface specific region is air
When, in the region full transmitting can occur for light, and the light that photoemission cell issues can be totally reflected, and most of light beam is introduced to
At photoelectric receiving tube, photoelectric receiving tube receives light, it may occur that variation, when above-mentioned zone touches liquid, and such as alcohol, water,
Oil etc., since refractive index and the transparent outer cover of these liquid are similar, most of light beam can be by way of reflecting and transmiting, to dress
External diffusion is set, the light intensity that photoelectric receiving tube receives also is thought just to weaken, and region 5 is realized by setting optocoupler, when the device is in sky
When in gas, optocoupler realizes the light that region 5 is launched, and can be totally reflected in the plan-position of shell 2, most of light beam can be emitted back towards
Optocoupler is realized at region 5;When the device in a liquid when, since the refractive index of liquid is close with material used in prism 3, optocoupler is real
The light that existing region 5 is launched, can project the device by the plan-position of shell 2, and only very low amount light beam is emitted back towards optocoupler realization
At region 5;The voltage that 5 receiving terminal of region is realized by measurement optocoupler, can perceive above-mentioned two states, distinguish above two shape
State, to judge that product is that in air, still in a liquid, circuit board 102 is internally provided with dielectric constant detection zone 6,
Dielectric constant detection zone 6 is internally provided with dielectric constant detection circuit, and dielectric constant detection circuit includes metal inductive disks
(P in Fig. 7), special chip (U in Fig. 7) and a plug-in capacitor (C in Fig. 7), chip mainly by internal start-oscillation circuit,
Frequency detection circuit composition, when inductive disks corresponding position, when medium changes, dielectric constant can be also varied, and dielectric is normal
Several variations can change the C value in R/C oscillating circuit, by frequency detection circuit, can perceive the variation of C value, be situated between by setting
Electric constant detection zone 6 can perceive the collecting and distributing capacitance near it, by the variation for detecting collecting and distributing capacitance near it
Know its corresponding dielectric constant values nearby, different material, to just different dielectric constant numerical value, by the size of the numerical value,
Judge that shell is in water, or in air or oil, to realize region 5 and dielectric constant detection zone 6 by setting optocoupler,
The cooperation of optocoupler and dielectric constant detection may know that shell is in air, in oil, still in water, to reach detection mesh
, circuit device 1 and 2 grafting of shell.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
When in use, when photoelectric coupled circuit has light return, medium is gas;When the unglazed return of photoelectric coupled circuit, it is situated between
Matter is liquid;When dielectric constant detection circuit detects that dielectric constant values are higher, medium is the high dielectric constants substances such as water;
When dielectric constant detection circuit detects that dielectric constant values are lower, medium is the low dielectric constant materials such as air or oil.
In conclusion the liquid-detecting, region 5 is realized by setting optocoupler, when the device in air when, optocoupler
It realizes the light that region 5 is launched, can be totally reflected in the plan-position of shell 2, most of light beam can be emitted back towards optocoupler and realize area
At domain 5;When the device in a liquid when, since the refractive index of liquid is close with material used in prism 3, optocoupler realizes that region 5 is sent out
The light of injection can project the device by the plan-position of shell 2, and only very low amount light beam is emitted back towards optocoupler and realizes at region 5;It is logical
The voltage that measurement optocoupler realizes 5 receiving terminal of region is crossed, above-mentioned two states can be perceived, distinguish above two state, to judge
Product is in air, still in a liquid;By the way that dielectric constant detection zone 6 is arranged, the collection spurious capacitance near it can be perceived
Value, by detecting the variation of collecting and distributing capacitance near it, that is, may know that it, nearby corresponding dielectric constant values, different material are right
With regard to different dielectric constant numerical value, by the size of the numerical value, to judge that shell is in water, or in air or oil;It is logical
It crosses setting optocoupler and realizes region 5 and dielectric constant detection zone 6, the cooperation of optocoupler and dielectric constant detection may know that shell
It is in air, in oil, still in water, to reach testing goal.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including one ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of liquid-detecting, including circuit device (1), it is characterised in that: the circuit device (1) includes circuit device
One end of ontology (101), the circuit device ontology (101) is fixedly connected with circuit board (102), the circuit device ontology
(101) one end close to circuit board (102) is plugged in the inside of shell (2), is provided with prism (3) in the middle part of the shell (2),
The circuit device ontology (101) opens up fluted (4) close to the one end of circuit board (102), is provided with light in the groove (4)
Coupling realizes region (5), and the circuit board (102) is internally provided with dielectric constant detection zone (6), the circuit device (1)
With shell (2) grafting.
2. a kind of liquid-detecting according to claim 1, it is characterised in that: the optocoupler realizes the interior of region (5)
Portion is provided with photoelectric coupled circuit, and the photoelectric coupled circuit includes photo-electroluminescence pipe and photoelectric receiving tube.
3. a kind of liquid-detecting according to claim 1, it is characterised in that: the dielectric constant detection zone (6)
Be internally provided with dielectric constant detection circuit, the dielectric constant detection circuit includes metal inductive disks, special chip and one
A plug-in capacitor.
4. a kind of liquid-detecting according to claim 1, it is characterised in that: the shell (2) is transparent.
5. a kind of liquid-detecting according to claim 1, it is characterised in that: the prism (3) is set to optocoupler reality
The surface of existing region (5).
Priority Applications (1)
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CN201821000155.5U CN208297344U (en) | 2018-06-27 | 2018-06-27 | A kind of liquid-detecting |
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CN201821000155.5U CN208297344U (en) | 2018-06-27 | 2018-06-27 | A kind of liquid-detecting |
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CN208297344U true CN208297344U (en) | 2018-12-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110646475A (en) * | 2018-06-27 | 2020-01-03 | 深圳市湛华技术有限公司 | Liquid detection device |
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2018
- 2018-06-27 CN CN201821000155.5U patent/CN208297344U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110646475A (en) * | 2018-06-27 | 2020-01-03 | 深圳市湛华技术有限公司 | Liquid detection device |
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