CN205919876U - Portable liquid level measurement device and liquid level measurement circuit of piercing through of high sensitivity - Google Patents
Portable liquid level measurement device and liquid level measurement circuit of piercing through of high sensitivity Download PDFInfo
- Publication number
- CN205919876U CN205919876U CN201620827055.4U CN201620827055U CN205919876U CN 205919876 U CN205919876 U CN 205919876U CN 201620827055 U CN201620827055 U CN 201620827055U CN 205919876 U CN205919876 U CN 205919876U
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Abstract
The utility model provides a portable liquid level measurement device and liquid level measurement circuit of piercing through of high sensitivity, include: the handle is fixed on the apron, apron closing cap casing one side, and casing opposite side sensor installation, the sensor carries out the liquid level measurement operation through the liquid level measurement circuit, apron installation speaker, speaker work circuit connection liquid level measurement electric circuit signal output end, casing side installation touch switch, touch switch work circuit connection liquid level measurement circuit switch end, casing top installation liquid level pilot lamp, liquid level pilot lamp work circuit connection liquid level measurement current indicating signal end. Through using portable liquid level measurement device, whether test container's that can be quick liquid level is volatilized or is reduced and in time judge liquid to take corresponding safeguard measure, convenient and fast.
Description
Technical field
This utility model is related to Mechatronics control field, and more particularly, to a kind of high-sensitivity portable penetrates liquid level and surveys
Amount device and level gauging circuit.
Background technology
Tank body or cylinder interior are carried out with drinks or when other liquid carries out Level Detection, all adopt in prior art
Take built-in level sensor, the volatilization that built-in level sensor can cause tank interior liquid is set, and due to sealing
The bad chemical reaction causing with oxygen, also can make tank interior liquid degeneration, and this just needs those skilled in the art badly and solves phase
The technical problem answered.
Utility model content
This utility model is intended at least solve technical problem present in prior art, especially innovatively proposes a kind of height
Sensitivity is portable to penetrate liquid level emasuring device and level gauging circuit.
In order to realize above-mentioned purpose of the present utility model, this utility model provides a kind of high-sensitivity portable and penetrates liquid
Level measuring arrangement, comprising:
Handle 1 is fixed on cover plate 4, cover plate 4 casing side, housing opposite side install sensor 22, sensor 22
Level gauging operation is carried out by level gauging circuit, speaker 5 installed by cover plate 4, speaker operation circuit connects level gauging
Circuit signal outfan, housing side installs touch switch 6, and touch switch 6 operating circuit connects liquid level measuring circuit switch terminals,
Housing tip installs liquid level display lamp 3, and liquid level display lamp 3 operating circuit connects liquid level measuring circuit indication signal end.
Technique scheme have the beneficial effect that by using portable liquid level measuring arrangement, can quickly detect appearance
The liquid level of device, whether liquid is volatilized or reduce is judged in time, and takes corresponding protective measure, convenient and swift.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
In housing, upper bolt inner sleeve 8 is set along side wall top, upper bolt inner sleeve 8 opens up upper bolt hole 7, spiral shell
Bolt is screwed into cover plate 4 side by upper bolt hole 7, arranges lower bolt inner sleeve 20, lower bolt along side wall bottom in housing
Inner sleeve 20 opens up lower bolt hole 12.
Having the beneficial effect that of technique scheme inserts screw tightening cover plate by bolt sleeve, conveniently opens and fixing,
And screw will not shift in sleeve pipe, realize stablizing the effect of cover plate.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
The base part that first fixed column 11 connects enclosure interior is coarser than connecting cover plate part, fixing by cover plate and first
Post 11 relative bearing arranges the first groove, and the first fixed column 11 is inserted in the first groove, and the second fixed column 15 connects in housing
The base part in portion is coarser than connecting cover plate part, arranges the second groove by cover plate and the second fixed column 15 relative bearing, by the
Two fixed column 15 is inserted in the second groove, and the base part that the 3rd fixed column 18 connects enclosure interior is coarser than connecting cover plate part,
3rd groove is arranged by cover plate and the 3rd fixed column 18 relative bearing, the 3rd fixed column 18 is inserted in the 3rd groove, the 4th
The base part that fixed column 21 connects enclosure interior is coarser than connecting cover plate part, by cover plate and the 4th fixed column 21 relative bearing
4th groove is set, the 4th fixed column 21 is inserted in the 4th groove.
Having the beneficial effect that of technique scheme arranges groove, Neng Gougu corresponding with the fixed column of housing on the cover board
Determine cover plate and housing, thus reducing the use of screw, cost-effective.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
Bottom fixed column 16 is arranged on housing near rechargeable battery portion 17, by cover plate and bottom fixed column 16 relative bearing
Setting lid panel notches, bottom fixed column 16 is inserted in lid panel notches.
Technique scheme have the beneficial effect that due to liquid level emasuring device bottom install rechargeable battery it has not been convenient to insertion
Cover plate and housing are fixed by screw, can be good at realizing the effect of securing cover plate and housing by using bottom fixed column
Really.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
First connecting portion 9, case inside and lower bolt inner sleeve are set between case inside and upper bolt inner sleeve 8
Setting second connecting portion 13 and the 3rd connecting portion 14 between 20, second connecting portion 13 and the 3rd connecting portion 14 and lower bolt inner sleeve
Pipe 20 is in " people " font.
Sleeve pipe and housing are attached by having the beneficial effect that of technique scheme by connecting portion, realize sleeve pipe and stablize,
The effect being not easily broken, especially second connecting portion and the 3rd connecting portion are in " people " font with lower bolt inner sleeve, Neng Gougeng
Good stable lower bolt inner sleeve.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
5th connecting portion 10, same case inside and the 4th fixed column 21 are set between case inside and the first fixed column 11
Between be also provided with the 5th connecting portion 10, the 5th connecting portion 10 and case inside are in " mouth " font, case inside and the second fixed column
15 and the 3rd fixed column 18 connect the 4th connecting portion 19, the 4th connecting portion 19 with the second fixed column 15 and the 3rd fixed column 18 is in
" one " font is arranged.
Sleeve pipe and housing are attached by having the beneficial effect that of technique scheme by connecting portion, realize sleeve pipe and stablize,
The effect being not easily broken.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that described level gauging circuit includes: charges
Unit and measuring unit；
Charhing unit charging end connects civil power, and charhing unit power end connects rechargeable battery charging end, rechargeable battery power supply
End connects measuring unit power end, and measuring unit measurement signal outfan connects speaker and liquid level display lamp.
Having the beneficial effect that of technique scheme is charged to battery by charhing unit, need not external active electric wire,
Measuring unit carries out mux --out signal exhibits by speaker and liquid level display lamp in time by measuring fluid level condition situation.
This utility model is also disclosed a kind of level gauging circuit, comprising: charhing unit charging end connects civil power, charhing unit
Power end connects rechargeable battery charging end, and rechargeable battery power end connects measuring unit power end, and measuring unit measurement signal is defeated
Go out end and connect speaker and liquid level display lamp.
Described level gauging circuit is it is preferred that described charhing unit includes:
Civil power incoming end connects electric fuse one end, and the electric fuse other end connects the 27th resistance one end and the 9th diode respectively
Negative pole, the 27th resistance other end connection the 8th diode cathode, the 8th diode cathode connection measuring unit power supply instruction end, the 9th
Diode cathode is grounded, and the 9th diode cathode is also respectively connected with the 25th resistance one end and the 13rd electric capacity one end, and the 13rd electric capacity is another
End ground connection, the 25th resistance other end connects the 10th light emitting diode positive pole, and the 10th light emitting diode negative pole connects charge control core
Piece trickle end, the 25th resistance one end is also connected with the 26th resistance one end, and the 26th resistance other end connects the 11st light emitting diode positive pole,
11st light emitting diode negative pole connects charge controlling chip charging end, and the 29th resistance one end connects charge controlling chip temperature end,
29th resistance other end ground connection, the 30th resistance one end connects charge controlling chip feedback end, and the 30th resistance other end is grounded, and the 1st
Fet gate connects charge controlling chip drive end, and the 1st field effect transistor source electrode connects the 15th electric capacity one end, and the 15th electric capacity is another
One end connects charge controlling chip power end, and the 1st field effect transistor drain electrode connects the 6th diode cathode, and the 6th diode cathode is respectively
Connect the 1st inductance one end and the 5th diode cathode, the 5th diode cathode ground connection, the 1st inductance other end connects the 24th resistance one
End, the 24th resistance other end connects the 14th electric capacity one end and charge controlling chip battery control end, the 14th electric capacity other end respectively
Ground connection, the 14th electric capacity charged in parallel battery, the 14th electric capacity one end is also connected with the 7th diode cathode, and the 7th diode cathode connects to be surveyed
Amount cell operation interface.
Having the beneficial effect that of technique scheme is charged to battery by charhing unit, and circuit design rationally, charges
Stable.
Described level gauging circuit is it is preferred that described measuring unit includes:
Charhing unit power end connects the 13rd resistance one end and the 15th resistance one end respectively, and the 13rd resistance other end connects the
19 resistance one end, the 19th resistance other end connects the 20th resistance one end and the 4th transistor base respectively, and the 20th resistance other end is even
Connect the 22nd resistance one end, the 22nd resistance other end ground connection, the 4th transistor emitter ground connection, the 4th transistor collector connects the 15th
The resistance other end and the 16th resistance one end, the 16th resistance other end connects the 1st transistor base, and the 1st transistor emitter connects
15th resistance one end, the 1st transistor collector connects the 9th resistance one end and the 18th resistance one end respectively, and the 9th resistance other end divides
Not Lian Jie the 12nd resistance one end and shunt regulator tube current terminal, the 12nd resistance other end connect respectively shunt regulator tube reference edge and
17th resistance one end, the 17th resistance other end ground connection, the 9th resistance one end is also respectively connected with manostat input and operational amplifier
Input, output end of voltage stabilizer connects the 2nd electric capacity one end, the 2nd electric capacity other end ground connection, manostat input and adjustable side connection
1st electric capacity, the 1st electric capacity one end connects the 1st resistance one end, and the 1st resistance other end connects the 1st light emitting diode positive pole, and the 1st lights
Diode enters line sensor and moves down instruction, and the 1st light emitting diode negative pole connects the 1st transistor collector, the 1st transistor emitter
Ground connection, the 1st transistor base connects the 3rd resistance one end, and the 3rd resistance other end connects the 11st resistance one end and the 14th resistance respectively
One end, the 14th resistance other end connects charhing unit power end, and the 14th resistance one end is also connected with sensor the 2nd end, operation amplifier
Device outfan connects sensor the 1st end, and operational amplifier negative input connects the 7th electric capacity one end, another termination of the 7th electric capacity
Ground, operational amplifier electrode input end connection the 6th electric capacity one end, the 11st resistance other end connection the 3rd transistor base, the 3rd three
Pole pipe colelctor electrode connects the 6th resistance one end and the 7th resistance one end respectively, and the 6th resistance other end connects the 2nd transistor base, and the 2nd
Transistor emitter is grounded, and the 2nd transistor collector connects the 2nd light emitting diode negative pole, and the 2nd light emitting diode positive pole connects the
2 resistance one end, the 2nd resistance other end connects charhing unit power end, and the 2nd light emitting diode enters to move instruction on line sensor, and the 7th
Resistance one end is also connected with the 8th resistance one end, and the 8th resistance other end connects a d D-flip flop clock end respectively and NAND gate is defeated
Enter end, NAND gate outfan connects the 2nd d D-flip flop clock end, touch switch one end connects charhing unit power end, touch-control
The switch other end connects measuring unit power end, and a d D-flip flop outfan connects nor gate input, the 2nd d type triggering
Device outfan connects nor gate input, and nor gate outfan connects the 5th transistor base, and the 5th transistor collector connects respectively
Connect speaker one end and the 3rd light emitting diode negative pole, the 3rd light emitting diode positive pole connects the 10th resistance one end, and the 10th resistance is another
One end connects power end, and the 10th resistance other end is also connected with speaker, the 5th transistor emitter ground connection.
Technique scheme have the beneficial effect that in parallel stabilivolt sensor is driven operate, this condenser type
Sensor adjusts probe power by adjusting shunt regulator tube, thus the tank body for different-thickness or container, can
Gather accurate liquid level signal, after sensor acquisition to liquid level signal, speaker and display lamp are exported by logic circuit, passes through
Speaker and display lamp feed back to user's measurement result.
In sum, due to employing technique scheme, the beneficial effects of the utility model are:
Due to this utility model can be light carry, suitable testing staff carries out level monitoring whenever and wherever possible, improves work
Make efficiency, whether liquid is volatilized or reduce is judged in time, and takes corresponding protective measure, and the application adopts
Carry out circuit with rechargeable battery to power, active electrical source need not be found and be powered, circuit power consumption is very low, with low cost, be suitable for
Promote on a large scale.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
Above-mentioned and/or additional aspect of the present utility model and advantage will from reference to the description to embodiment for the accompanying drawings below
Become obvious and easy to understand, wherein:
Fig. 1 is this utility model device overall schematic；
Fig. 2 is this utility model interior details schematic diagram；
Fig. 3 is this utility model liquid level sensor circuit diagram；
Fig. 4 is this utility model liquid level sensor circuit diagram；
Fig. 5 is this utility model power circuit schematic diagram.
Numbering explanation
Handle 1, charging indicator light 2, liquid level display lamp 3, cover plate 4, speaker 5, touch switch 6, upper bolt hole 7, on
Portion's bolt inner sleeve 8, first connecting portion 9, the 5th connecting portion 10, the first fixed column 11, lower bolt hole 12, lower bolt inner sleeve
Pipe 20, second connecting portion 13, the 3rd connecting portion 14, the second fixed column 15, bottom fixed column 16, rechargeable battery portion the 17, the 3rd are solid
Fixed column 18, the 4th connecting portion 19, the 4th fixed column 21, sensor 22.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary, is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
Of the present utility model description in it is to be understood that term " longitudinal ", " horizontal ", " on ", D score, " front ",
" afterwards ", the orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " or position relationship are based on attached
Orientation shown in figure or position relationship, are for only for ease of and describe this utility model and simplify description, rather than instruction or hint
The device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be the company of mechanical connection or electrical connection or two element internals
Logical, can be to be joined directly together it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1, 2, this utility model provides a kind of high-sensitivity portable and penetrates liquid level emasuring device, comprising:
Handle 1 is fixed on cover plate 4, cover plate 4 casing side, housing opposite side install sensor 22, sensor 22
Level gauging operation is carried out by level gauging circuit, speaker 5 installed by cover plate 4, speaker operation circuit connects level gauging
Circuit signal outfan, housing side installs touch switch 6, and touch switch 6 operating circuit connects liquid level measuring circuit switch terminals,
Housing tip installs liquid level display lamp 3, and liquid level display lamp 3 operating circuit connects liquid level measuring circuit indication signal end.
Technique scheme have the beneficial effect that by using portable liquid level measuring arrangement, can quickly detect appearance
The liquid level of device, whether liquid is volatilized or reduce is judged in time, and takes corresponding protective measure, convenient and swift.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
In housing, upper bolt inner sleeve 8 is set along side wall top, upper bolt inner sleeve 8 opens up upper bolt hole 7, spiral shell
Bolt is screwed into cover plate 4 side by upper bolt hole 7, arranges lower bolt inner sleeve 20, lower bolt along side wall bottom in housing
Inner sleeve 20 opens up lower bolt hole 12.
Having the beneficial effect that of technique scheme inserts screw tightening cover plate by bolt sleeve, conveniently opens and fixing,
And screw will not shift in sleeve pipe, realize stablizing the effect of cover plate.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
The base part that first fixed column 11 connects enclosure interior is coarser than connecting cover plate part, fixing by cover plate and first
Post 11 relative bearing arranges the first groove, and the first fixed column 11 is inserted in the first groove, and the second fixed column 15 connects in housing
The base part in portion is coarser than connecting cover plate part, arranges the second groove by cover plate and the second fixed column 15 relative bearing, by the
Two fixed column 15 is inserted in the second groove, and the base part that the 3rd fixed column 18 connects enclosure interior is coarser than connecting cover plate part,
3rd groove is arranged by cover plate and the 3rd fixed column 18 relative bearing, the 3rd fixed column 18 is inserted in the 3rd groove, the 4th
The base part that fixed column 21 connects enclosure interior is coarser than connecting cover plate part, by cover plate and the 4th fixed column 21 relative bearing
4th groove is set, the 4th fixed column 21 is inserted in the 4th groove.
Having the beneficial effect that of technique scheme arranges groove, Neng Gougu corresponding with the fixed column of housing on the cover board
Determine cover plate and housing, thus reducing the use of screw, cost-effective.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
Bottom fixed column 16 is arranged on housing near rechargeable battery portion 17, by cover plate and bottom fixed column 16 relative bearing
Setting lid panel notches, bottom fixed column 16 is inserted in lid panel notches.
Technique scheme have the beneficial effect that due to liquid level emasuring device bottom install rechargeable battery it has not been convenient to insertion
Cover plate and housing are fixed by screw, can be good at realizing the effect of securing cover plate and housing by using bottom fixed column
Really.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
First connecting portion 9, case inside and lower bolt inner sleeve are set between case inside and upper bolt inner sleeve 8
Setting second connecting portion 13 and the 3rd connecting portion 14 between 20, second connecting portion 13 and the 3rd connecting portion 14 and lower bolt inner sleeve
Pipe 20 is in " people " font.
Sleeve pipe and housing are attached by having the beneficial effect that of technique scheme by connecting portion, realize sleeve pipe and stablize,
The effect being not easily broken, especially second connecting portion and the 3rd connecting portion are in " people " font with lower bolt inner sleeve, Neng Gougeng
Good stable lower bolt inner sleeve.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that also including:
5th connecting portion 10, same case inside and the 4th fixed column 21 are set between case inside and the first fixed column 11
Between be also provided with the 5th connecting portion 10, the 5th connecting portion 10 and case inside are in " mouth " font, case inside and the second fixed column
15 and the 3rd fixed column 18 connect the 4th connecting portion 19, the 4th connecting portion 19 with the second fixed column 15 and the 3rd fixed column 18 is in
" one " font is arranged.
Sleeve pipe and housing are attached by having the beneficial effect that of technique scheme by connecting portion, realize sleeve pipe and stablize,
The effect being not easily broken.
Described high-sensitivity portable penetrates liquid level emasuring device it is preferred that described level gauging circuit includes: charges
Unit and measuring unit；
Charhing unit charging end connects civil power, and charhing unit power end connects rechargeable battery charging end, rechargeable battery power supply
End connects measuring unit power end, and measuring unit measurement signal outfan connects speaker and liquid level display lamp.
Having the beneficial effect that of technique scheme is charged to battery by charhing unit, need not external active electric wire,
Measuring unit carries out mux --out signal exhibits by speaker and liquid level display lamp in time by measuring fluid level condition situation.
This utility model is also disclosed a kind of level gauging circuit, comprising: charhing unit charging end connects civil power, charhing unit
Power end connects rechargeable battery charging end, and rechargeable battery power end connects measuring unit power end, and measuring unit measurement signal is defeated
Go out end and connect speaker and liquid level display lamp.
As shown in Figure 4,5, described level gauging circuit is it is preferred that described charhing unit includes:
Civil power incoming end connects electric fuse one end, and the electric fuse other end connects the 27th resistance one end and the 9th diode respectively
Negative pole, the 27th resistance other end connection the 8th diode cathode, the 8th diode cathode connection measuring unit power supply instruction end, the 9th
Diode cathode is grounded, and the 9th diode cathode is also respectively connected with the 25th resistance one end and the 13rd electric capacity one end, and the 13rd electric capacity is another
End ground connection, the 25th resistance other end connects the 10th light emitting diode positive pole, and the 10th light emitting diode negative pole connects charge control core
Piece trickle end, the 25th resistance one end is also connected with the 26th resistance one end, and the 26th resistance other end connects the 11st light emitting diode positive pole,
11st light emitting diode negative pole connects charge controlling chip charging end, and the 29th resistance one end connects charge controlling chip temperature end,
29th resistance other end ground connection, the 30th resistance one end connects charge controlling chip feedback end, and the 30th resistance other end is grounded, and the 1st
Fet gate connects charge controlling chip drive end, and the 1st field effect transistor source electrode connects the 15th electric capacity one end, and the 15th electric capacity is another
One end connects charge controlling chip power end, and the 1st field effect transistor drain electrode connects the 6th diode cathode, and the 6th diode cathode is respectively
Connect the 1st inductance one end and the 5th diode cathode, the 5th diode cathode ground connection, the 1st inductance other end connects the 24th resistance one
End, the 24th resistance other end connects the 14th electric capacity one end and charge controlling chip battery control end, the 14th electric capacity other end respectively
Ground connection, the 14th electric capacity charged in parallel battery, the 14th electric capacity one end is also connected with the 7th diode cathode, and the 7th diode cathode connects to be surveyed
Amount cell operation interface.
Having the beneficial effect that of technique scheme is charged to battery by charhing unit, and circuit design rationally, charges
Stable.
As shown in figure 3, described level gauging circuit is it is preferred that described measuring unit includes:
Wherein sensor drive driving circuit includes: charhing unit power end connects the 13rd resistance one end and the 15th resistance one respectively
End, the 13rd resistance other end connects the 19th resistance one end, and the 19th resistance other end connects the 20th resistance one end and the 4th three pole respectively
Pipe base stage, the 20th resistance other end connects the 22nd resistance one end, the 22nd resistance other end ground connection, and the 4th transistor emitter is grounded,
4th transistor collector connects the 15th resistance other end and the 16th resistance one end, and the 16th resistance other end connects the 1st audion base
Pole, the 1st transistor emitter connects the 15th resistance one end, and the 1st transistor collector connects the 9th resistance one end and the 18th electricity respectively
Resistance one end, the 9th resistance other end connects the 12nd resistance one end and shunt regulator tube current terminal respectively, and the 12nd resistance other end is respectively
Connect shunt regulator tube reference edge and the 17th resistance one end, the 17th resistance other end ground connection, the 9th resistance one end is also respectively connected with surely
Depressor input and opamp input terminal, output end of voltage stabilizer connects the 2nd electric capacity one end, and the 2nd electric capacity other end is grounded, surely
Depressor input and adjustable side connect the 1st electric capacity, and the 1st electric capacity one end connects the 1st resistance one end, and the 1st resistance other end connects the 1st
Light emitting diode positive pole, the 1st light emitting diode enters line sensor and moves down instruction, and the 1st light emitting diode negative pole connects the 1st audion
Colelctor electrode, the 1st transistor emitter ground connection, the 1st transistor base connects the 3rd resistance one end, and the 3rd resistance other end connects respectively
11st resistance one end and the 14th resistance one end, the 14th resistance other end connects charhing unit power end, and the 14th resistance one end also connects
Connect sensor the 2nd end, operational amplifier output terminal connects sensor the 1st end, operational amplifier negative input connects the 7th electric capacity
One end, the 7th electric capacity other end ground connection, operational amplifier electrode input end connects the 6th electric capacity one end, and the 11st resistance other end connects
3rd transistor base, the 3rd transistor collector connects the 6th resistance one end and the 7th resistance one end respectively, and the 6th resistance other end is even
Connect the 2nd transistor base, the 2nd transistor emitter is grounded, the 2nd transistor collector connection the 2nd light emitting diode negative pole, the 2nd
Light emitting diode positive pole connects the 2nd resistance one end, and the 2nd resistance other end connects charhing unit power end, and the 2nd light emitting diode enters
Instruction is moved, the 7th resistance one end is also connected with the 8th resistance one end on line sensor.
Logical output circuit includes: the 8th resistance other end connects a d D-flip flop clock end and NAND gate input respectively
End, NAND gate outfan connects the 2nd d D-flip flop clock end, and touch switch one end connects charhing unit power end, and touch-control is opened
Close the other end and connect measuring unit power end, a d D-flip flop outfan connects nor gate input, the 2nd d D-flip flop
Outfan connects nor gate input, and nor gate outfan connects the 5th transistor base, and the 5th transistor collector connects respectively
Speaker one end and the 3rd light emitting diode negative pole, the 3rd light emitting diode positive pole connects the 10th resistance one end, and the 10th resistance is another
End connects power end, and the 10th resistance other end is also connected with speaker, the 5th transistor emitter ground connection, exports electricity by this logic
The output signal of capacitance type sensor after logic output, is sent to speaker and display lamp is shown by road.
Technique scheme have the beneficial effect that in parallel stabilivolt sensor is driven operate, this condenser type
Sensor adjusts probe power by adjusting shunt regulator tube, thus the tank body for different-thickness or container, can
Gather accurate liquid level signal, after sensor acquisition to liquid level signal, speaker and display lamp are exported by logic circuit, passes through
Speaker and display lamp feed back to user's measurement result.
Liquid level display lamp 3 is arranged on case top, and charging indicator light 2 is installed on the cover board, by showing different colours energy
Enough show the state of rechargeable battery charging complete or low battery.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
Multiple changes, modification, replacement can be carried out to these embodiments in the case of without departing from principle of the present utility model and objective
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (10)
1. a kind of high-sensitivity portable penetrates liquid level emasuring device it is characterised in that including:
Handle (1) is fixed on cover plate (4), cover plate (4) casing side, housing opposite side install sensor (22), sensing
Device (22) carries out level gauging operation by level gauging circuit, and speaker (5) installed by cover plate (4), and speaker operation circuit is even
Connect level gauging circuit signal outfan, housing side installs touch switch (6), touch switch (6) operating circuit connects liquid level
Measuring circuit switch terminals, housing tip installs liquid level display lamp (3), and liquid level display lamp (3) operating circuit connects level gauging electricity
Road indication signal end.
2. high-sensitivity portable according to claim 1 penetrates liquid level emasuring device it is characterised in that also including:
Along side wall top setting upper bolt inner sleeve (8) in housing, upper bolt inner sleeve (8) opens up upper bolt hole (7),
Bolt is screwed into cover plate (4) side by upper bolt hole (7), along side wall bottom setting lower bolt inner sleeve (20) in housing,
Lower bolt inner sleeve (20) opens up lower bolt hole (12).
3. high-sensitivity portable according to claim 1 penetrates liquid level emasuring device it is characterised in that also including:
The base part that first fixed column (11) connects enclosure interior is coarser than connecting cover plate part, by cover plate and the first fixed column
(11) relative bearing arranges the first groove, the first fixed column (11) is inserted in the first groove, the second fixed column (15) connects shell
The base part in internal portion is coarser than connecting cover plate part, recessed with the setting second of the second fixed column (15) relative bearing by cover plate
Groove, the second fixed column (15) is inserted in the second groove, and the base part that the 3rd fixed column (18) connects enclosure interior is coarser than even
Connects cover plate part, arranges the 3rd groove by cover plate and the 3rd fixed column (18) relative bearing, the 3rd fixed column (18) is inserted
In 3rd groove, the base part that the 4th fixed column (21) connects enclosure interior is coarser than connecting cover plate part, by cover plate and the
Four fixed columns (21) relative bearing arranges the 4th groove, and the 4th fixed column (21) is inserted in the 4th groove.
4. high-sensitivity portable according to claim 1 penetrates liquid level emasuring device it is characterised in that also including:
Bottom fixed column (16) is arranged on housing near rechargeable battery portion (17), by cover plate and bottom fixed column (16) contra
Position setting lid panel notches, bottom fixed column (16) is inserted in lid panel notches.
5. high-sensitivity portable according to claim 2 penetrates liquid level emasuring device it is characterised in that also including:
Setting first connecting portion (9) between case inside and upper bolt inner sleeve (8), case inside and lower bolt inner sleeve
(20) setting second connecting portion (13) and the 3rd connecting portion (14) between, second connecting portion (13) and the 3rd connecting portion (14) and under
Portion's bolt inner sleeve (20) is in " people " font.
6. high-sensitivity portable according to claim 3 penetrates liquid level emasuring device it is characterised in that also including:
5th connecting portion (10), same case inside and the 4th fixed column are set between case inside and the first fixed column (11)
(21) it is also provided with the 5th connecting portion (10) between, the 5th connecting portion (10) and case inside are in " mouth " font, case inside and the
Two fixed columns (15) and the 3rd fixed column (18) connect the 4th connecting portion (19), the 4th connecting portion (19) and the second fixed column
(15) arrange in " one " font with the 3rd fixed column (18).
7. high-sensitivity portable according to claim 1 penetrates liquid level emasuring device it is characterised in that described liquid level is surveyed
Amount circuit includes: charhing unit and measuring unit；
Charhing unit charging end connects civil power, and charhing unit power end connects rechargeable battery charging end, and rechargeable battery power end is even
Connect measuring unit power end, measuring unit measurement signal outfan connects speaker and liquid level display lamp.
8. a kind of level gauging circuit is it is characterised in that include: charhing unit charging end connects civil power, charhing unit power end
Connect rechargeable battery charging end, rechargeable battery power end connects measuring unit power end, measuring unit measurement signal outfan is even
Connect speaker and liquid level display lamp.
9. level gauging circuit according to claim 8 is it is characterised in that described charhing unit includes:
Civil power incoming end connects electric fuse one end, and the electric fuse other end connects the 27th resistance one end and the 9th diode cathode respectively,
The 27th resistance other end connects the 8th diode cathode, and the 8th diode cathode connects measuring unit power supply instruction end, the 9th diode
Plus earth, the 9th diode cathode is also respectively connected with the 25th resistance one end and the 13rd electric capacity one end, another termination of the 13rd electric capacity
Ground, the 25th resistance other end connects the 10th light emitting diode positive pole, and the 10th light emitting diode negative pole connects charge controlling chip tiny stream
Stream end, the 25th resistance one end is also connected with the 26th resistance one end, the 26th resistance other end connection the 11st light emitting diode positive pole, and the 11st
Light emitting diode negative pole connection charge controlling chip charging end, the 29th resistance one end connection charge controlling chip temperature end, the 29th
The resistance other end is grounded, and the 30th resistance one end connects charge controlling chip feedback end, the 30th resistance other end ground connection, the 1st effect
Tube grid is answered to connect charge controlling chip drive end, the 1st field effect transistor source electrode connects the 15th electric capacity one end, the 15th electric capacity other end
Connect charge controlling chip power end, the 1st field effect transistor drain electrode connects the 6th diode cathode, and the 6th diode cathode connects respectively
1st inductance one end and the 5th diode cathode, the 5th diode cathode ground connection, the 1st inductance other end connects the 24th resistance one end, the
The 24 resistance other ends connect the 14th electric capacity one end and charge controlling chip battery control end respectively, and the 14th electric capacity other end is grounded,
14th electric capacity charged in parallel battery, the 14th electric capacity one end is also connected with the 7th diode cathode, and it is single that the 7th diode cathode connects measurement
First working interface.
10. level gauging circuit according to claim 8 is it is characterised in that described measuring unit includes:
Charhing unit power end connects the 13rd resistance one end and the 15th resistance one end respectively, and the 13rd resistance other end connects the 19th electricity
Resistance one end, the 19th resistance other end connects the 20th resistance one end and the 4th transistor base respectively, and the 20th resistance other end connects the
22 resistance one end, the 22nd resistance other end ground connection, the 4th transistor emitter ground connection, the 4th transistor collector connects the 15th resistance
The other end and the 16th resistance one end, the 16th resistance other end connects the 1st transistor base, and the 1st transistor emitter connects the 15th
Resistance one end, the 1st transistor collector connects the 9th resistance one end and the 18th resistance one end respectively, and the 9th resistance other end connects respectively
Connect the 12nd resistance one end and shunt regulator tube current terminal, the 12nd resistance other end connects shunt regulator tube reference edge and the 17th respectively
Resistance one end, the 17th resistance other end ground connection, the 9th resistance one end is also respectively connected with manostat input and operational amplifier input
End, output end of voltage stabilizer connects the 2nd electric capacity one end, the 2nd electric capacity other end ground connection, manostat input and adjustable side connection the 1st
Electric capacity, the 1st electric capacity one end connection the 1st resistance one end, the 1st resistance other end connection the 1st light emitting diode positive pole, the 1st luminous two
Pole pipe is entered line sensor and is moved down instruction, and the 1st light emitting diode negative pole connects the 1st transistor collector, and the 1st transistor emitter connects
Ground, the 1st transistor base connects the 3rd resistance one end, and the 3rd resistance other end connects the 11st resistance one end and the 14th resistance one respectively
End, the 14th resistance other end connects charhing unit power end, and the 14th resistance one end is also connected with sensor the 2nd end, operational amplifier
Outfan connects sensor the 1st end, and operational amplifier negative input connects the 7th electric capacity one end, and the 7th electric capacity other end is grounded,
Operational amplifier electrode input end connects the 6th electric capacity one end, and the 11st resistance other end connects the 3rd transistor base, the 3rd audion
Colelctor electrode connects the 6th resistance one end and the 7th resistance one end respectively, and the 6th resistance other end connects the 2nd transistor base, the 2nd three pole
Pipe grounded emitter, the 2nd transistor collector connects the 2nd light emitting diode negative pole, and the 2nd light emitting diode positive pole connects the 2nd electricity
Resistance one end, the 2nd resistance other end connects charhing unit power end, and the 2nd light emitting diode enters to move instruction on line sensor, the 7th electricity
Resistance one end is also connected with the 8th resistance one end, and the 8th resistance other end connects a d D-flip flop clock end and NAND gate input respectively
End, NAND gate outfan connects the 2nd d D-flip flop clock end, and touch switch one end connects charhing unit power end, and touch-control is opened
Close the other end and connect measuring unit power end, a d D-flip flop outfan connects nor gate input, the 2nd d D-flip flop
Outfan connects nor gate input, and nor gate outfan connects the 5th transistor base, and the 5th transistor collector connects respectively
Speaker one end and the 3rd light emitting diode negative pole, the 3rd light emitting diode positive pole connects the 10th resistance one end, and the 10th resistance is another
End connects power end, and the 10th resistance other end is also connected with speaker, the 5th transistor emitter ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620827055.4U CN205919876U (en) | 2016-08-02 | 2016-08-02 | Portable liquid level measurement device and liquid level measurement circuit of piercing through of high sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620827055.4U CN205919876U (en) | 2016-08-02 | 2016-08-02 | Portable liquid level measurement device and liquid level measurement circuit of piercing through of high sensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205919876U true CN205919876U (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620827055.4U Expired - Fee Related CN205919876U (en) | 2016-08-02 | 2016-08-02 | Portable liquid level measurement device and liquid level measurement circuit of piercing through of high sensitivity |
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| Country | Link |
|---|---|
| CN (1) | CN205919876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052800A (en) * | 2016-08-02 | 2016-10-26 | 重庆宇虹自动化仪表系统有限公司 | High-sensitivity portable penetration liquid level measuring device and liquid level measuring circuit |
| CN110715706A (en) * | 2019-11-25 | 2020-01-21 | 重庆宇虹自动化仪表系统有限公司 | Portable nondestructive parameter detector for sauce-flavor pottery jar |
-
2016
- 2016-08-02 CN CN201620827055.4U patent/CN205919876U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052800A (en) * | 2016-08-02 | 2016-10-26 | 重庆宇虹自动化仪表系统有限公司 | High-sensitivity portable penetration liquid level measuring device and liquid level measuring circuit |
| CN110715706A (en) * | 2019-11-25 | 2020-01-21 | 重庆宇虹自动化仪表系统有限公司 | Portable nondestructive parameter detector for sauce-flavor pottery jar |
| CN110715706B (en) * | 2019-11-25 | 2021-08-13 | 重庆宇虹自动化仪表系统有限公司 | Portable nondestructive parameter detector for sauce-flavor pottery jar |
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| 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: 20170201 Termination date: 20210802 |