CN201251560Y - Capacitive cereals and oilseeds moisture meter - Google Patents
Capacitive cereals and oilseeds moisture meter Download PDFInfo
- Publication number
- CN201251560Y CN201251560Y CNU2008201879482U CN200820187948U CN201251560Y CN 201251560 Y CN201251560 Y CN 201251560Y CN U2008201879482 U CNU2008201879482 U CN U2008201879482U CN 200820187948 U CN200820187948 U CN 200820187948U CN 201251560 Y CN201251560 Y CN 201251560Y
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Abstract
The utility model relates to a capacitive cereals and oilseeds moisture meter, comprising an outer shell and a measuring cylinder arranged in the outer shell. A measuring control device is arranged on the outer shell and comprises a measuring control panel and a measuring control circuit, wherein, the measuring control panel comprises a LCD display screen and control push-keys, and the measuring control circuit comprises a single-chip, an electronic switch and voltage-stabilizing circuit, a weighing circuit, a temperature measuring circuit, a water / frequency conversion circuit, a printer interface circuit and a push-key circuit. The printer interface circuit can be directly connected with a printer to directly print the measuring results, which is quick and convenient to use; three clamping openings are arranged on the clamping cover of a blanking barrel to conveniently fix the blanking barrel on the outer shell.
Description
Technical field
The utility model relates to a kind of surveying instrument, specifically, relates to a kind of capacitor type grain and oil moisture tester, belongs to technical field of analytical instruments.
Background technology
At present, in the measuring process of carrying out grain, oil plant water cut, normally measure on one side, carry out hand-kept on one side, measure after many group moisture value data, calculate the mean value of these data again, obtain the moisture value of tested grain, this metering system is wasted time and energy, and efficient is low, and occurs artificial mistake easily.
The utility model content
The purpose of this utility model is to overcome above defective, and a kind of easy to use, a kind of capacitor type grain and oil moisture tester that efficient is high is provided.
For achieving the above object, the technical scheme that the utility model adopted is: a kind of capacitor type grain and oil moisture tester, comprise shell and setting measurement tube in the enclosure, this shell is provided with measuring and controlling, measuring and controlling comprises measures control panel and circuit of measurement and control, wherein measure control panel and comprise LCD display and control button, it is characterized in that: circuit of measurement and control comprises:
-single-chip microcomputer;
-electronic switch and mu balanced circuit, electronic switch are used to control the work of mu balanced circuit, and mu balanced circuit is converted to stable voltage with supply voltage;
-the circuit of weighing is used for measuring the weight of tested grain;
-temperature measurement circuit is used for measuring the temperature of tested grain;
-moisture/freq converting circuit is electrically connected with measuring tube, a capacitance variations of measuring tin is converted to the variation of frequency, and the frequency that will change exports single-chip microcomputer to;
-printer interface circuit is used for connecting single-chip microcomputer and external printer, and the measurement result after single-chip microcomputer is handled exports printer to;
-key circuit carries out moisture measurement, selects the grain kind, revises the moisture radix, revises print data and adjustment time in order to control.
A kind of prioritization scheme of technique scheme, circuit of measurement and control also comprises:
-usb circuit is used for connecting single-chip microcomputer and external unit and carries out communication.
The another kind of scheme of optimizing, circuit of measurement and control also comprises:
-nonvolatile memory is used for storage of water component curve, grain kind, moisture radix, printer setup parameter.
Prioritization scheme more specifically, circuit of measurement and control also comprises:
-brightness regulating circuit is in order to regulate the brightness of LCD display.
A kind of concrete prioritization scheme, described analyzer also comprises:
-printer interface is arranged on the shell, is electrically connected with printer interface circuit.
Another kind of concrete prioritization scheme, described analyzer also comprises:
-USB interface is arranged on the shell, is electrically connected with usb circuit.
The prioritization scheme that another is concrete, described analyzer also comprises:
-brightness regulation button is arranged on the shell, is electrically connected with brightness regulating circuit.
A kind of concrete prioritization scheme, described analyzer also comprises:
-LOAD CELLS is arranged on the bottom of measuring tube, and grain weight is changed into electric signal and is transferred to the circuit of weighing;
-temperature sensor is arranged on and measures in the tube, is electrically connected with temperature measurement circuit;
-buffering spring sheet is arranged between LOAD CELLS and the shell.
Another kind of concrete prioritization scheme, described analyzer also comprises:
-blanking barrel Ka Gai is arranged on the top of shell, is placed on the blanking barrel of shell upper in order to support;
-3 bayonet sockets evenly are arranged on the blanking barrel card and cover, and are used for cooperating with the bayonet lock of blanking barrel blanking barrel is fixed on the shell.
Described analyzer also comprises:
-power interface is arranged on the shell, in order to connect external ac-dc power converter, for measuring and controlling provides working power.
The utility model adopts said structure, compares with existing technical scheme, has the following advantages:
(1) setting of usb circuit can be networked with external computer, is convenient to the upgrading of operating software, the result who repeatedly measures can also be stored in the computer, is convenient to analyze and print.
(2) setting of printer interface circuit can directly be connected with printer, and measurement result is directly printed, and is quick and easy to use.
(3) setting of power interface can be used external power source, and range of application is wider, and the external power source transducer is away from analyzer, and the magnetic field of its generation is little to the influence that analyzer produces.
(4) setting of brightness regulating circuit can make display screen be fit to various light condition more, uses more convenient.
(5) cover at the blanking barrel card 3 bayonet sockets are set, can easily blanking barrel be fixed on the shell.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the structural representation of analyzer among the utility model embodiment;
Accompanying drawing 2 is the structural representation of blanking barrel Ka Gai among the utility model embodiment;
Accompanying drawing 3 is the structural representation of control panel among the utility model embodiment;
Accompanying drawing 4 is the circuit block diagram of the utility model embodiment.
Embodiment
The 1-shell, 2-buffering spring sheet, 3-LOAD CELLS, 4-urceolus, 5-inner core, 6-are measured tube, 7-fixed cap, 8-blanking barrel Ka Gai, 9-measures control panel, 10-bayonet socket, 11-brightness regulation button, 12-power interface, the 13-USB interface, 14-printer interface, 15-battery case, 16-on ﹠ off switch, move key on the 17-, 18-moves down key, the 19-return key, and 20-measures key, the 21-LCD display screen, 22-temperature sensor, 23-handle
Embodiment, accompanying drawing 1 is the structural representation of analyzer.A kind of capacitor type grain and oil moisture tester, comprise shell 1, handle 23 and the measurement tube 6 that is arranged in the shell 1, measure tube 6 and comprise metal inner core 5 and urceolus 4, inner core 5 and urceolus 4 constitute capacitive transducer, urceolus 4 is provided with temperature sensor 22, be provided with LOAD CELLS 3 in the bottom of urceolus 4, between LOAD CELLS 3 and shell 1, be provided with buffering spring sheet 2, be provided with fixed cap 7 between urceolus 4 and the shell 1, be provided with blanking barrel card lid 8 at the top of shell 1, blanking barrel card lid 8 is provided with bayonet socket 10, bayonet socket 10 cooperates blanking barrel and is fixed on the shell 1 with the bayonet lock of blanking barrel, the upside of handle 23 has the control panel 9 of measurement, shell 1 is provided with brightness regulation button 11, power interface 12, usb 13 and printer interface 14, power interface 12 is in order to connect external ac-dc power converter, for measuring and controlling provides working power, usb 13 is electrically connected with usb circuit, printer interface 14 is electrically connected with printer interface circuit, the bottom of shell 1 is provided with the battery case 15 that is used for placing dry cell, as shown in Figure 2, evenly be provided with 3 bayonet sockets 10 on the blanking barrel card lid 8.
Accompanying drawing 3 is the structural representation of control panel among the utility model embodiment.Measure control panel 9 and comprise LCD display 21 and control button, the control button comprise the on ﹠ off switch 16 that is electrically connected with key circuit, on move key 17, move down key 18, return key 19 and measurement key 20.
Accompanying drawing 4 is the circuit block diagram of the utility model embodiment.Circuit of measurement and control comprises the single-chip microcomputer IC1 of electrical connection, the circuit of weighing, moisture/freq converting circuit, nonvolatile memory, usb circuit, printer interface circuit, key circuit, brightness regulating circuit, electronic switch and mu balanced circuit, reset circuit, oscillatory circuit, clock circuit and temperature measurement circuit, the circuit of wherein weighing is used for measuring the weight of tested grain, the capacitance variations that moisture/freq converting circuit is used for measuring tube 6 is converted to the variation of frequency, and the frequency that will change exports single-chip microcomputer IC1 to, nonvolatile memory is used for the storage of water component curve, the grain kind, the moisture radix, the printer setup parameter, usb circuit is used for connecting single-chip microcomputer IC1 and external unit carries out communication, printer interface circuit is used for connecting single-chip microcomputer IC1 and external printer, export the data after the single-chip microcomputer IC1 processing to printer, key circuit is then by on ﹠ off switch 16, on move key 17, move down key 18, return key 19 and measurement key 20 are controlled and are carried out moisture measurement, select the grain kind, revise the moisture radix, revise print data or adjustment time, brightness regulating circuit is in order to regulate the brightness of LCD display 21, electronic switch is used to control the work of mu balanced circuit in electronic switch and the mu balanced circuit, mu balanced circuit is converted to stable voltage with supply voltage, reset circuit is used for providing reset signal to single-chip microcomputer IC1, guarantee that single-chip microcomputer IC1 normally starts, oscillatory circuit provides clock oscillation signal for single-chip microcomputer IC1, clock circuit provides real-time clock for instrument, and temperature measurement circuit is in order to measure the temperature of grain.
During use, turn on the power switch, electronic switch and mu balanced circuit are started working, mu balanced circuit is converted to stable 4.8V voltage with supply voltage, the each several part circuit enters duty, by Push switch key 16, on move key 17, move down key 18 and return key 19, select grain to be measured, the moisture radix, press and measure key 20, enter the measurement state, with the tested grain blanking barrel of packing into, grain evenly falls between the metal inner core 5 and urceolus 4 of measuring tube 6, temperature sensor and temperature measurement circuit are measured the temperature of grain, the LOAD CELLS and the circuit of weighing are measured the weight of tested grain at any time, single-chip microcomputer IC1 is judged as blanking and finishes after weight is stable, difference along with tested grain moisture content, the capacitance of the capacitive transducer that metal inner core 5 and urceolus 4 constitute is also along with variation, moisture/freq converting circuit is converted to the capacitance variations of capacitive transducer the variation of frequency, and the frequency that will change exports single-chip microcomputer IC1 to, single-chip microcomputer IC1 handles this frequency, and compare with the moisture curve that is stored in the nonvolatile memory, obtain corresponding moisture, the weight difference before and after the circuit measuring blanking of weighing obtains the weight of tested grain, carry out the weight correction of moisture in view of the above, carry out temperature compensation again, the radix correction, obtain revised moisture value at last, its result can utilize external printer directly to print, and also can utilize USB interface to export external unit to and preserve, very easy to use, high efficiency.
Claims (10)
1, a kind of capacitor type grain and oil moisture tester, comprise shell (1) and be arranged on the interior measurement tube (6) of shell (1), this shell (1) is provided with measuring and controlling, measuring and controlling comprises measures control panel (9) and circuit of measurement and control, wherein measure control panel (9) and comprise LCD display (21) and control button, it is characterized in that: circuit of measurement and control comprises:
-single-chip microcomputer (IC1);
-electronic switch and mu balanced circuit, electronic switch are used to control the work of mu balanced circuit, and mu balanced circuit is converted to stable voltage with supply voltage;
-the circuit of weighing is used for measuring the weight of tested grain;
-temperature measurement circuit is used for measuring the temperature of tested grain;
-moisture/freq converting circuit is electrically connected with measuring tube (6), and the capacitance variations that will measure tube (6) is converted to the variation of frequency, and the frequency that will change exports single-chip microcomputer (IC1) to;
-printer interface circuit is used for connecting single-chip microcomputer (IC1) and external printer, and the measurement result after single-chip microcomputer (IC1) is handled exports printer to;
-key circuit carries out moisture measurement, selects the grain kind, revises the moisture radix, revises print data and adjustment time in order to control.
2, a kind of capacitor type grain and oil moisture tester as claimed in claim 1, it is characterized in that: circuit of measurement and control also comprises:
-usb circuit is used for connecting single-chip microcomputer (IC1) and carries out communication with external unit.
3, a kind of capacitor type grain and oil moisture tester as claimed in claim 1 or 2, it is characterized in that: circuit of measurement and control also comprises:
-nonvolatile memory is used for storage of water component curve, grain kind, moisture radix, printer setup parameter.
4, a kind of capacitor type grain and oil moisture tester as claimed in claim 3, it is characterized in that: circuit of measurement and control also comprises:
-brightness regulating circuit is in order to regulate the brightness of LCD display (21).
5, a kind of capacitor type grain and oil moisture tester as claimed in claim 1, it is characterized in that: described analyzer also comprises:
-printer interface (14) is arranged on the shell (1), is electrically connected with printer interface circuit.
6, a kind of capacitor type grain and oil moisture tester as claimed in claim 2, it is characterized in that: described analyzer also comprises:
-USB interface (13) is arranged on the shell (1), is electrically connected with usb circuit.
7, a kind of capacitor type grain and oil moisture tester as claimed in claim 4, it is characterized in that: described analyzer also comprises:
-brightness regulation button (11) is arranged on the shell (1), is electrically connected with brightness regulating circuit.
8, a kind of capacitor type grain and oil moisture tester as claimed in claim 1, it is characterized in that: described analyzer also comprises:
-LOAD CELLS (3) is arranged on the bottom of measuring tube (6), and grain weight is changed into electric signal and is transferred to the circuit of weighing;
-temperature sensor (22) is arranged on and measures in the tube (6), is electrically connected with temperature measurement circuit;
-buffering spring sheet (2) is arranged between LOAD CELLS (3) and the shell (1).
9, a kind of capacitor type grain and oil moisture tester as claimed in claim 1, it is characterized in that: described analyzer also comprises:
-blanking barrel Ka Gai (8) is arranged on the top of shell (1), is placed on the blanking barrel on shell (1) top in order to support;
-3 bayonet sockets (10) evenly are arranged on the blanking barrel Ka Gai (8), are used for cooperating with the bayonet lock of blanking barrel blanking barrel is fixed on the shell (1).
10, a kind of capacitor type grain and oil moisture tester as claimed in claim 1, it is characterized in that: described analyzer also comprises:
-power interface (12) is arranged on the shell (1), in order to connect external ac-dc power converter, for measuring and controlling provides working power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201879482U CN201251560Y (en) | 2008-08-21 | 2008-08-21 | Capacitive cereals and oilseeds moisture meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201879482U CN201251560Y (en) | 2008-08-21 | 2008-08-21 | Capacitive cereals and oilseeds moisture meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251560Y true CN201251560Y (en) | 2009-06-03 |
Family
ID=40747232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201879482U Expired - Fee Related CN201251560Y (en) | 2008-08-21 | 2008-08-21 | Capacitive cereals and oilseeds moisture meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201251560Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651832A (en) * | 2014-11-15 | 2016-06-08 | 新疆科立机械设备有限公司 | A material water content measuring sensor structure based on a capacitance principle |
| CN105651831A (en) * | 2014-11-15 | 2016-06-08 | 新疆科立机械设备有限公司 | A device of measuring the water content of a granular material based on capacitance |
| CN111257379A (en) * | 2020-02-26 | 2020-06-09 | 东华大学 | Tester for water content of particle solid |
-
2008
- 2008-08-21 CN CNU2008201879482U patent/CN201251560Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651832A (en) * | 2014-11-15 | 2016-06-08 | 新疆科立机械设备有限公司 | A material water content measuring sensor structure based on a capacitance principle |
| CN105651831A (en) * | 2014-11-15 | 2016-06-08 | 新疆科立机械设备有限公司 | A device of measuring the water content of a granular material based on capacitance |
| CN111257379A (en) * | 2020-02-26 | 2020-06-09 | 东华大学 | Tester for water content of particle solid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20130821 |