CN205749367U - pH value measuring instrument - Google Patents
pH value measuring instrument Download PDFInfo
- Publication number
- CN205749367U CN205749367U CN201620436990.8U CN201620436990U CN205749367U CN 205749367 U CN205749367 U CN 205749367U CN 201620436990 U CN201620436990 U CN 201620436990U CN 205749367 U CN205749367 U CN 205749367U
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- CN
- China
- Prior art keywords
- cross bar
- expansion link
- support bar
- instrument shell
- instrument
- 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.)
- Expired - Fee Related
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
nullA kind of pH value measuring instrument，Including Instrument shell and measurement bracket，Instrument shell side is fixed with measurement bracket，Measurement bracket includes support bar、Cross bar and expansion link，Described support bar is perpendicular to horizontal plane and arranges，Support bar side is provided with the cross bar of level，Described cross bar is vertically slidably arranged on support bar side，On described cross bar side, expansion link is installed，Expansion link is slidably arranged on cross bar side along horizontal direction，Expansion link includes multiple hollow pipe being set with successively，Between adjacent hollow pipe, slip cap is fitted together，Described expansion link front end is provided with grip slipper，Measuring probe it is folded with in grip slipper，PH induction apparatus it is provided with bottom measuring probe，Measuring probe top is connected with the circuit board within Instrument shell by wire，The rechargeable battery being connected with circuit board it is provided with in Instrument shell，This utility model simple in construction，Compact volume and convenience，Accuracy of reading is reliable，Regulation is simple，Flexibility ratio is high.
Description
Technical field
This utility model relates to electronic instrument field, specifically a kind of pH value measuring instrument.
Background technology
Hydrogen ionexponent refers to the ratio of the amount of hydrionic sum and total material in solution.Its numerical value is commonly called as
“pH”.Represent solution acidic or the numerical value of degree of alkalinity, the negative value of the common logarithm of i.e. contained hydrogen ion concentration.
There is a lot of method to measure the pH value of solution: use pH indicator.PH indicator is added in solution to be measured,
Different indicators, according to different pH value meeting changes colours, is assured that pH according to the research of indicator
Scope.During titration, accurate pH standard can be made；Use pH reagent paper.PH reagent paper have extensive reagent paper and
Precision test paper, dips in some solution to be measured with Glass rod and, on reagent paper, then changes sighting target according to the color of reagent paper
Quasi-colorimetric card can obtain the pH of solution.PH reagent paper can not demonstrate the pH value of oil content, because pH reagent paper
Measuring the pH value of solution to be measured with hydrion, but do not contain hydrion in oil, therefore pH reagent paper can not show
The pH value of oil content is shown；Use pH meter.PH meter is a kind of instrument measuring solution ph, and it passes through pH
Electrode (such as glass electrode) is selected to determine the pH of solution.PH meter can be as accurate as 2 significant digits.Often
The pH meter seen is bulky, carries inconvenience；And pH meter probe is typically provided joint type support, can regulate
Upper and lower, the left and right of probe and position front and back, but during regulation, multiple directions regulate together, and ratio is less easily
Adjusting, precision is the highest, and uses time length, joint also underaction, regulates dumb.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, compact volume and convenience, and accuracy of reading is reliable, regulation
Simply, the pH value measuring instrument that flexibility ratio is high, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of pH value measuring instrument, including Instrument shell and measurement bracket, Instrument shell side is fixed with measurement
Support, measurement bracket includes that support bar, cross bar and expansion link, described support bar are perpendicular to horizontal plane and arrange,
Strut side is provided with the cross bar of level, and described cross bar is vertically slidably arranged on support bar side,
Being provided with expansion link on described cross bar side, expansion link is slidably arranged on cross bar side along horizontal direction, stretches
Contracting bar includes multiple hollow pipe being set with successively, and between adjacent hollow pipe, slip cap is fitted together, described flexible
Bar front end is provided with grip slipper, is folded with measuring probe in grip slipper, is provided with pH induction apparatus bottom measuring probe,
Measuring probe top is connected with the circuit board within Instrument shell by wire, is provided with and circuit in Instrument shell
The rechargeable battery that plate connects, Instrument shell sidewall is provided with the charging socket being connected with rechargeable battery, instrument shell
Body upper surface be provided with switch and display device, display device include the display screen for showing pH value and for
Report the buzzer of pH value.
As further program of the utility model, described switch includes activate switch and reset switch, and startup is opened
Close and reset switch is all connected with circuit board.
As further program of the utility model, described display screen and buzzer are all connected with circuit board.
As further program of the utility model, described support bar side is provided with the first chute of vertical direction,
Cross bar side is provided with the first slide block coordinated with the first chute.
As further program of the utility model, described cross bar side is provided with the second chute of horizontal direction, stretches
Contracting bar one end is provided with the second slide block coordinated with the second chute.
Compared with prior art, the beneficial effects of the utility model are: during use, are on switch, will survey
Amount probe stretches in measurement solution, and induced signal is delivered to circuit board by pH induction apparatus, and pH value is shown by circuit board
On a display screen, pH reading is reported out by buzzer simultaneously；Easy for operation, measure numerical value and accurately may be used
Leaning on, degree of accuracy is higher；Can be charged to the rechargeable battery within Instrument shell by charging socket, use is carried
Convenient；Cross bar can vertically move along support bar, and expansion link can move horizontally along cross bar, and expansion link is certainly
Oneself can do the telescopic moving in horizontal direction, and so when regulation, multiple directions regulate respectively, and regulation is compared
Flexibly, conveniently, precision is high.This utility model simple in construction, compact volume and convenience, accuracy of reading is reliable, regulation letter
Single, flexibility ratio is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pH value measuring instrument.
Fig. 2 is the structural representation of measurement bracket in a kind of pH value measuring instrument.
In figure: 1-Instrument shell, 2-circuit board, 3-charging socket, 4-circuit board, 5-activate switch, 6-
Reset switch, 7-buzzer, 8-display screen, 9-cross bar, 10-the first slide block, 11-grip slipper, 12-second
Slide block, 13-measuring probe, 14-pH induction apparatus, 15-support bar, 16-expansion link.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical scheme in this utility model embodiment
It is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model,
Rather than whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not having
Make the every other embodiment obtained under creative work premise, broadly fall into the scope of this utility model protection.
Referring to Fig. 1～2, in this utility model embodiment, a kind of pH value measuring instrument, including Instrument shell
1 and measurement bracket, Instrument shell 1 side is fixed with measurement bracket, and measurement bracket includes support bar 15, cross bar
9 and expansion link 16, described support bar 15 is perpendicular to horizontal plane and arranges, and support bar 15 side is provided with level
Cross bar 9, described cross bar 9 is vertically slidably arranged on support bar 15 side, described cross bar 9 side
Being provided with expansion link 16 on face, expansion link 16 is slidably arranged on cross bar 9 side along horizontal direction, flexible
Bar 16 includes multiple hollow pipe being set with successively, and between adjacent hollow pipe, slip cap is fitted together, described in stretch
Contracting bar 16 front end is provided with grip slipper 11, is folded with measuring probe 13, bottom measuring probe 13 in grip slipper 11
Being provided with pH induction apparatus 14, measuring probe 13 top is by wire and the circuit board 4 within Instrument shell 1
Connect, be provided with the rechargeable battery 2 being connected with circuit board 4 in Instrument shell 1, Instrument shell 1 sidewall sets
Being equipped with the charging socket 3 being connected with rechargeable battery 2, Instrument shell 1 upper surface is provided with switch and display device,
Display device includes the display screen 8 for showing pH value and for reporting the buzzer 7 of pH value.
In this utility model embodiment, described switch includes activate switch 5 and reset switch 6, activate switch 5
All it is connected with circuit board 2 with reset switch 6.
In this utility model embodiment, described display screen 8 and buzzer 7 are all connected with circuit board 2.
In this utility model embodiment, described support bar 15 side is provided with the first chute of vertical direction, cross bar
9 sides are provided with the first slide block 10 coordinated with the first chute.
In this utility model embodiment, described cross bar 9 side is provided with the second chute of horizontal direction, expansion link
16 one end are provided with the second slide block 12 coordinated with the second chute.
Operation principle of the present utility model is: during use, is on switching 5, is stretched into by measuring probe 13
Measuring in solution, induced signal is delivered to circuit board 2 by pH induction apparatus 14, and pH value is shown aobvious by circuit board 2
In display screen 8, pH reading is reported out by buzzer 7 simultaneously；Easy for operation, measure numerical value and accurately may be used
Leaning on, degree of accuracy is higher；Can be charged to the rechargeable battery 2 within Instrument shell 1 by charging socket 3, make
With easy to carry；Cross bar 9 can vertically move along support bar 15, and expansion link 16 can do water along cross bar 9
Translation is dynamic, and expansion link 16 oneself can do the telescopic moving in horizontal direction, so when regulation, and Duo Gefang
To regulating respectively, relatively flexibly, conveniently, precision is high in regulation.
Claims (5)
1. a pH value measuring instrument, including Instrument shell and measurement bracket, it is characterised in that Instrument shell side is fixed
Support bar, cross bar and expansion link, described support bar are perpendicular to horizontal plane and arrange to have measurement bracket, measurement bracket to include, support
Bar side face is provided with the cross bar of level, and described cross bar is vertically slidably arranged on support bar side, described cross bar side
Being provided with expansion link on face, expansion link is slidably arranged on cross bar side along horizontal direction, and expansion link includes multiple overlapping successively
The hollow pipe of dress, between adjacent hollow pipe, slip cap is fitted together, and described expansion link front end is provided with grip slipper, in grip slipper
Being folded with measuring probe, be provided with pH induction apparatus bottom measuring probe, measuring probe top is by wire and Instrument shell
The circuit board in portion connects, and is provided with the rechargeable battery being connected with circuit board in Instrument shell, Instrument shell sidewall is provided with and
The charging socket that rechargeable battery connects, Instrument shell upper surface is provided with switch and display device, and display device includes for showing
Show the display screen of pH value and for reporting the buzzer of pH value.
A kind of pH value measuring instrument the most according to claim 1, it is characterised in that described switch includes activate switch
With reset switch, activate switch and reset switch are all connected with circuit board.
A kind of pH value measuring instrument the most according to claim 1, it is characterised in that described display screen and buzzer are equal
It is connected with circuit board.
A kind of pH value measuring instrument the most according to claim 1, it is characterised in that described support bar side is provided with vertical
Nogata to the first chute, cross bar side is provided with the first slide block coordinated with the first chute.
A kind of pH value measuring instrument the most according to claim 1, it is characterised in that described cross bar side is provided with level
Second chute in direction, expansion link one end is provided with the second slide block coordinated with the second chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436990.8U CN205749367U (en) | 2016-05-12 | 2016-05-12 | pH value measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436990.8U CN205749367U (en) | 2016-05-12 | 2016-05-12 | pH value measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749367U true CN205749367U (en) | 2016-11-30 |
Family
ID=57365786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620436990.8U Expired - Fee Related CN205749367U (en) | 2016-05-12 | 2016-05-12 | pH value measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126268A (en) * | 2017-06-26 | 2017-09-05 | 山西医科大学 | A kind of system of the accurate location of operation in auxiliary head |
| CN112198278A (en) * | 2020-09-09 | 2021-01-08 | 华志(福建)电子科技有限公司 | Novel portable PH meter centre gripping with adjustable device |
-
2016
- 2016-05-12 CN CN201620436990.8U patent/CN205749367U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126268A (en) * | 2017-06-26 | 2017-09-05 | 山西医科大学 | A kind of system of the accurate location of operation in auxiliary head |
| CN112198278A (en) * | 2020-09-09 | 2021-01-08 | 华志(福建)电子科技有限公司 | Novel portable PH meter centre gripping with adjustable device |
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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: 20161130 Termination date: 20170512 |