CN2298513Y - Microcomputer investigating instrument for grain crop stem lodging-resistant strength - Google Patents
Microcomputer investigating instrument for grain crop stem lodging-resistant strength Download PDFInfo
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- CN2298513Y CN2298513Y CN 97216391 CN97216391U CN2298513Y CN 2298513 Y CN2298513 Y CN 2298513Y CN 97216391 CN97216391 CN 97216391 CN 97216391 U CN97216391 U CN 97216391U CN 2298513 Y CN2298513 Y CN 2298513Y
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- lodging
- resistant
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Abstract
The utility model belongs to the investigating instrument for agronomic crop stem strengths, which relates to a microcomputer investigating instrument for grain crop stem lodging-resistant strengths. A force probe is connected with a force sensor directly; the signal output end of the sensor is connected with the signal input end of a differential amplifier; the signal output end of the differential amplifier is connected with the signal input end of an A/D converter; the signal output end of the A/D converter is connected with the signal input end of a monolithic computer through an input and output interface, and the result of the monolithic computer is output by a printer or a display at last. The utility model can read out the lodging-resistant data of the crops accurately, can store the data, and has the advantages of convenient operation and high safety.
Description
The utility model belongs to crops strength of stem analyzer, particularly cereal crops cane intensity micro computer resistant to lodging analyzer.
The cane intensity resistant to lodging of crops such as corn, wheat, paddy rice is a crucial index, detect cane intensity resistant to lodging and have crucial meaning cultivating new varieties such as high intensity corn resistant to lodging, when cultivating new varieties with a large amount of self-mating systems, the intensity Normal Distribution resistant to lodging of a new generation, the obvious high person of intensity resistant to lodging seldom.Existing machinery formula strength of stem analyzer, though can provide some data to some strength detections resistant to lodging of crops, but because trip pin displacement error is bigger, friction force is big, so the data error that reads is bigger, directly influence the resolution and the measuring accuracy of test, and can not stored data.
The purpose of this utility model is to overcome above-mentioned defective, and a kind of intensity data resistant to lodging that can accurately read crops is provided, and cereal crops cane intensity micro computer resistant to lodging analyzer that can stored data.
The technical solution of the utility model is to comprise power probe, spring, data presentation device, it is characterized in that the power probe directly connects force transducer, the signal output part of sensor connects the signal input part of differential amplifier, the signal output part of differential amplifier connects the signal input part of A/D converter, the signal output part of A/D converter connects the one-chip computer signal input part through IO interface, a signal output of one-chip computer connects printer, and another delivery outlet is connected display through input/output port with display driver; Power probe front end is a hemisphere or cylindrical, the rear end of probe have one with the supporting threaded hole of sensor; The radius of hemisphere is 5-20mm, and body diameter is 1-5mm.
The utility model adopts surveys the principle that anti-pressure ability is surveyed strength of stem, with power probe, the pressure that cane is born passes to sensor, and sensor becomes electric signal with force signal, this signal is through amplifying, link to each other with one-chip computer after mould/number conversion, finish sampling, storage by one-chip computer, handle, drive functions such as demonstration, test data can show, also printable come out.
Probe can make the long probe of a kind of 80-140mm of having according to actual needs, and diameter is 4-15mm, the hemisphere of probe front end, and radius is 5-20mm, have the short probe of 40-60mm as Fig. 3 A and another kind: probe diameter can be 1-5mm, as Fig. 3 B.
Enforcement of the present utility model is very easy to user's robotization and obtains crops data resistant to lodging, and the data of being gathered are not only accurate, and access automatically, provides reliable assurance to variety of crops selected.
Description of drawings:
Fig. 1: be circuit connection diagram of the present utility model.
Fig. 2: be schematic diagram of the present utility model.
Fig. 3: be the sectional side elevation of two kinds of probes of the utility model.
1-hemisphere, 2-screw thread, 3-power probe, 4-cylinder
Below in conjunction with accompanying drawing the technical solution of the utility model is further described.
Power is popped one's head in as shown in Figure 3, and probe can be used for measuring corn stem intensity shown in Fig. 3, the B, and its feature is that front end is the less probe of diameter, penetrable corn stem.Probe shown in Fig. 3, the A can be used for measuring the intensity of canes such as corn, wheat, paddy rice, and the front end that it is characterized in that popping one's head in is a dome-type, measures wheat, paddy rice, and probe radius is less.
Signal processing of the present utility model as shown in Figure 1, the cane pressure is passed to the (CLAS that is produced by Bangbu semiconductor transducer factory through power probe
2-100) force transducer, this sensor internal is formed an electric bridge by foil gauge, when sensor is not subjected to external force, two output end voltages are in equilibrium state, do the time spent as external force, electric bridge loses out balance, two output terminals have a potential difference (PD) AV, this signal is imported A/D converter ADC0804 after differential amplification, the output of A/D converter links to each other with the PB mouth of 8155 input/output interface, and the signal of 8031CPU is connected with the 8155D0-D7 data port by the P0 mouth and signal is sent to LCD driver 7211 and by the display display result.CPU also can be used to drive mini-printer by the PI mouth, P0 mouth and latch 373, and the D0-D7 of memory under program 27128 links to each other with 8155 output interface D0-D7.
R
1, W and R
2The zeroing circuit of forming sensor together, to solve the zero-bit input is not zero problem, and except that the hardware zeroing, present embodiment also adopts software zeroing technology, software zeroing and hardware zeroing combine, and displayed value was zero when the measurement range of assurance sensor and instrument resetted.
Claims (3)
1. cereal crops cane intensity micro computer resistant to lodging analyzer, comprise power probe, spring, data presentation device, it is characterized in that the power probe directly connects force transducer, the signal output part of sensor connects the signal input part of differential amplifier, the signal output part of differential amplifier connects the signal input part of A/D converter, the signal output part of A/D converter connects the one-chip computer signal input part through IO interface, a signal output of one-chip computer connects printer, and another delivery outlet is connected display through input/output port with display driver.
2. a kind of cereal crops cane as claimed in claim 1 intensity micro computer resistant to lodging analyzer is characterized in that described power probe front end is a hemisphere or cylindrical, the rear end of probe have one with the supporting threaded hole of sensor.
3. a kind of cereal crops cane as claimed in claim 2 intensity micro computer resistant to lodging analyzer, the radius that it is characterized in that described hemisphere is 5-20mm, body diameter is 1-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97216391 CN2298513Y (en) | 1997-05-09 | 1997-05-09 | Microcomputer investigating instrument for grain crop stem lodging-resistant strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97216391 CN2298513Y (en) | 1997-05-09 | 1997-05-09 | Microcomputer investigating instrument for grain crop stem lodging-resistant strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2298513Y true CN2298513Y (en) | 1998-11-25 |
Family
ID=33933305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97216391 Expired - Fee Related CN2298513Y (en) | 1997-05-09 | 1997-05-09 | Microcomputer investigating instrument for grain crop stem lodging-resistant strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2298513Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217336A (en) * | 2013-03-11 | 2013-07-24 | 北京农业信息技术研究中心 | Apparatus for measuring stem intensity of crops in colony plantation |
| CN103234808A (en) * | 2013-04-15 | 2013-08-07 | 山东省农业科学院玉米研究所 | Steel needle retaining ring of portable microcomputer stem strength measurement device |
-
1997
- 1997-05-09 CN CN 97216391 patent/CN2298513Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217336A (en) * | 2013-03-11 | 2013-07-24 | 北京农业信息技术研究中心 | Apparatus for measuring stem intensity of crops in colony plantation |
| CN103234808A (en) * | 2013-04-15 | 2013-08-07 | 山东省农业科学院玉米研究所 | Steel needle retaining ring of portable microcomputer stem strength measurement device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |