CN103364450A - Online moisture meter with integrated structure - Google Patents
Online moisture meter with integrated structure Download PDFInfo
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- CN103364450A CN103364450A CN2013101639766A CN201310163976A CN103364450A CN 103364450 A CN103364450 A CN 103364450A CN 2013101639766 A CN2013101639766 A CN 2013101639766A CN 201310163976 A CN201310163976 A CN 201310163976A CN 103364450 A CN103364450 A CN 103364450A
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- moisture meter
- circuit board
- digital conversion
- temperature sensor
- online moisture
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Abstract
The invention discloses an online moisture meter with an integrated structure. The online moisture meter with the integrated structure comprises a transducer part and a host control part, which are integrated and comprise a casing, a roller component, a direct-current (DC) gear motor and a circuit board, wherein the circuit board is placed in the casing; the roller component is placed outside the casing and comprises a pair of rollers arranged in a relatively-parallel manner; the roller component is connected with the circuit board through wires and is driven by the direct-current gear motor connected to the casing; according to the further improvement, the circuit board comprises a CPU chip, a communication chip, a moisture transducer analog-digital conversion circuit, a temperature transducer analog-digital conversion circuit and a DC motor driving circuit; free protocol communication is used between the communication chip and a host control board of a grain dryer. The online moisture meter with the integrated structure solves the problems of troublesome installation and wiring, large size, difficult failure predication and the like brought by a split-type structure; as an independent moisture detection intelligent terminal, the online moisture meter with the integrated structure can be matched with an automatic control system having a communication function, and meets the complex control requirements of the grain drier.
Description
Technical field
The present invention relates to a kind of Moisture Meter, be specifically related to the Moisture Meter of using on a kind of grain drier.
Background technology
The online Moisture Meter that present domestic grain drier uses is split-type structural; 1, Sensor section generally is installed in the hoister position of dryer or descends the body position; 2, host computer control part is installed in (some is integrated in the grain drier control mainboard) in the grain drier electric control cabinet.Mainly there is following shortcoming in the Moisture Meter of prior art in application:
1, split-type structural makes troubles for installation and wiring, and volume is relatively large;
2, in a single day break down, be difficult to judge to be that host computer control (or mainboard) part breaks down or Sensor section breaks down, fault judges that difficulty is large;
3, for the producer that host computer control is partially integrated in the grain drier control mainboard, although it can realize the complex control requirement of grain drier, but this Moisture Meter can only be supporting with special-purpose grain drier, can't be supporting as a universal component and other grain driers;
4, be not easy to the integrated and popularization of robotization of Moisture Meter and grain drier control system.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of can be supporting as a universal component and grain drier, realize the complex control requirement of grain drier, solve the online Moisture Meter of integral structure that installation, wiring bother, volume is large, fault is judged the problems such as difficulty is large that split-type structural brings.
The present invention is achieved through the following technical solutions technical goal.
The online Moisture Meter of integral structure comprises Sensor section, host computer control part; Its improvements are: described Sensor section, host computer control partly are integrated, and comprise housing, roll wheel assembly, DC speed-reducing, circuit board; Described circuit board places in the housing; Described roll wheel assembly places outside the housing, comprises the roller that a pair of opposing parallel arranges; Described roll wheel assembly is connected with circuit board by wire; Described roll wheel assembly is driven by the DC speed-reducing that is connected on the housing.
Further preferred version: also comprise transmission component, temperature sensor; Described roll wheel assembly is driven by transmission component by DC speed-reducing; Described temperature sensor is arranged at that the roll wheel assembly opposing parallel arranges the contact site of roller or near near the position.
Further preferred version: described circuit board comprises cpu chip, reaches the communication chip, moisture transducer analog to digital conversion circuit, temperature sensor analog to digital conversion circuit, the direct current motor drive circuit that are connected with cpu chip; Described temperature sensor analog to digital conversion circuit is connected with temperature sensor.
Further preferred version: described cpu chip, and the communication chip, moisture transducer analog to digital conversion circuit, temperature sensor analog to digital conversion circuit, the direct current motor drive circuit that are connected with cpu chip all be arranged on the circuit board.
Further preferred version: described communication chip and grain drier host control panel use free protocol communication.
Further preferred version: described transmission component comprises the nylon gear of a pair of driving rolls assembly.
The present invention compared with prior art has following good effect:
1, Sensor section, host computer control partly are integrated, and save the Moisture Meter console controller, so that the manufacturing cost of Moisture Meter reduces more than 30%; Solved that the installation that split-type structural brings, wiring trouble, volume are large, fault is judged the problems such as difficulty is large.
2, use and between the grain drier control system communication mode to contact, simple and reliable for structure; Use communication protocol to realize reading and setting of data, be convenient to very much with various grain driers supporting.
3, the present invention becomes independently water content detection intelligent terminal, can to have an automation control system of communication function supporting for all, satisfy the requirement of complex control, and it is integrated and promote to be convenient to the robotization of Moisture Meter and grain drier control system.
4, the present invention can be used as a universal component and various grain drier supporting.
5, the driving rolls assembly is nylon gear, and the good insulating of nylon gear can further improve the precision of water content detection.
6, set temperature sensor when measuring grain moisture content, can be measured the temperature of grain, in order to moisture value is carried out the temperature compensation correction, further improves the precision of water content detection.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is left view among Fig. 1.
Fig. 3 is control principle drawing of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments for the below.
The online Moisture Meter of integral structure shown in the drawings comprises Sensor section, host computer control part; Sensor section, host computer control partly are integrated, and comprise housing 1, roll wheel assembly 4, DC speed-reducing 2, circuit board 6, transmission component 3 and temperature sensor 5; Circuit board 6 places in the housing 1; Roll wheel assembly 4 places outside the housing 1, comprises the roller that a pair of opposing parallel arranges; Roll wheel assembly 4 is connected with circuit board 6 by wire; Roll wheel assembly 4 is driven by transmission component 3 by DC speed-reducing 2; In the present embodiment, transmission component 3 comprises the nylon gear 3.1 of a pair of driving rolls assembly 4, and DC speed-reducing 2 drives nylon gear 3.1 by gear 3.2; Temperature sensor 5 is arranged at that roll wheel assembly 4 opposing parallel arrange the contact site of roller or near near the position.
The course of work of the present invention is as follows: after power supply is powered to the present invention, assigning instruction startup the present invention by the grain drier host control panel by free agreement begins to measure: after the instruction of cpu chip reception from the grain drier host control panel, send instruction to direct current motor drive circuit, so that DC speed-reducing 2 is rotated, DC speed-reducing 2 driving rolls assemblies 4 reverse first about 10 seconds, residual grain between the roll wheel assembly 4 is cleared, become again forward, roll wheel assembly 4 pulverizes grain by forward, measure the size of passing through the electric current of broken grain between the roller by the moisture transducer analog to digital conversion circuit, be transferred to cpu chip, cpu chip calculates respective resistivity values; Simultaneous temperature sensor 5 is measured the temperature of grain, be transferred to cpu chip by the temperature sensor analog to digital conversion circuit, and extrapolated the actual moisture of grain in conjunction with grain variety and cereal temperature data by cpu chip, the so about grain more than 100 of continuous coverage, calculate moisture mean value by cpu chip, and be transferred to the grain drier master control borad.
Claims (6)
1. the online Moisture Meter of integral structure comprises Sensor section, host computer control part; It is characterized in that: described Sensor section, host computer control partly are integrated, and comprise housing (1), roll wheel assembly (4), DC speed-reducing (2), circuit board (6); Described circuit board (6) places in the housing (1); Described roll wheel assembly (4) places outside the housing (1), comprises the roller that a pair of opposing parallel arranges; Described roll wheel assembly (4) is connected with circuit board (6) by wire; Described roll wheel assembly (4) is driven by the DC speed-reducing (2) that is connected on the housing (1).
2. the online Moisture Meter of integral structure according to claim 1 is characterized in that: also comprise transmission component (3), temperature sensor (5); Described roll wheel assembly (4) is driven by transmission component (3) by DC speed-reducing (2); Described temperature sensor (5) is arranged at that roll wheel assembly (4) opposing parallel arranges the contact site of roller or near near the position.
3. the online Moisture Meter of integral structure according to claim 1 and 2 is characterized in that: described circuit board (6) comprises cpu chip, and the communication chip, moisture transducer analog to digital conversion circuit, temperature sensor analog to digital conversion circuit, the direct current motor drive circuit that are connected with cpu chip; Described temperature sensor analog to digital conversion circuit is connected with temperature sensor (5).
4. the online Moisture Meter of integral structure according to claim 3 is characterized in that: described cpu chip, and the communication chip, moisture transducer analog to digital conversion circuit, temperature sensor analog to digital conversion circuit, the direct current motor drive circuit that are connected with cpu chip all be arranged on the circuit board (6).
5. the online Moisture Meter of integral structure according to claim 3, it is characterized in that: described communication chip and grain drier host control panel use free protocol communication.
6. the online Moisture Meter of integral structure according to claim 2, it is characterized in that: described transmission component (3) comprises the nylon gear (3.1) of a pair of driving rolls assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101639766A CN103364450A (en) | 2013-05-07 | 2013-05-07 | Online moisture meter with integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101639766A CN103364450A (en) | 2013-05-07 | 2013-05-07 | Online moisture meter with integrated structure |
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| Publication Number | Publication Date |
|---|---|
| CN103364450A true CN103364450A (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101639766A Pending CN103364450A (en) | 2013-05-07 | 2013-05-07 | Online moisture meter with integrated structure |
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| CN (1) | CN103364450A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897736A (en) * | 2015-06-24 | 2015-09-09 | 扬州天扬粮油机械制造有限公司 | Resistance-type moisture meter |
| CN107171617A (en) * | 2017-05-31 | 2017-09-15 | 合肥艾瑞德电气有限公司 | Motor control method and system in a kind of moisture analyser |
| CN107449522A (en) * | 2017-08-22 | 2017-12-08 | 无锡神谷金穗科技有限公司 | A kind of Resistance Temperature compensates sensing device |
| CN107525899A (en) * | 2017-08-14 | 2017-12-29 | 安徽意力电缆有限公司 | A kind of new Moisture Meter |
Citations (6)
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|---|---|---|---|---|
| JPH09119908A (en) * | 1995-10-25 | 1997-05-06 | Kaneko Agricult Mach Co Ltd | Instrument for measuring water content of grains |
| CN101354372A (en) * | 2008-09-06 | 2009-01-28 | 朱希 | Automatic sampling apparatus of resistor type cereal on-line moisture tester |
| CN102809585A (en) * | 2012-08-16 | 2012-12-05 | 武汉凯特复兴科技有限责任公司 | On-line resistance type moisture sensor |
| CN202583110U (en) * | 2012-05-14 | 2012-12-05 | 安徽世龙电子技术有限公司 | Grain moisture meter |
| CN102879437A (en) * | 2012-09-17 | 2013-01-16 | 无锡市久川机械设备有限公司 | Online grain moisture detector |
| CN203310796U (en) * | 2013-05-07 | 2013-11-27 | 泰州市天禹精密仪器有限公司 | Integrated-structure online moisture meter |
-
2013
- 2013-05-07 CN CN2013101639766A patent/CN103364450A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09119908A (en) * | 1995-10-25 | 1997-05-06 | Kaneko Agricult Mach Co Ltd | Instrument for measuring water content of grains |
| CN101354372A (en) * | 2008-09-06 | 2009-01-28 | 朱希 | Automatic sampling apparatus of resistor type cereal on-line moisture tester |
| CN202583110U (en) * | 2012-05-14 | 2012-12-05 | 安徽世龙电子技术有限公司 | Grain moisture meter |
| CN102809585A (en) * | 2012-08-16 | 2012-12-05 | 武汉凯特复兴科技有限责任公司 | On-line resistance type moisture sensor |
| CN102879437A (en) * | 2012-09-17 | 2013-01-16 | 无锡市久川机械设备有限公司 | Online grain moisture detector |
| CN203310796U (en) * | 2013-05-07 | 2013-11-27 | 泰州市天禹精密仪器有限公司 | Integrated-structure online moisture meter |
Non-Patent Citations (1)
| Title |
|---|
| 万志强: "基于ATmega128单片机的粮食水分测量仪控制系统的硬件设计和研发", 《粮食加工》, vol. 37, no. 3, 31 December 2012 (2012-12-31) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897736A (en) * | 2015-06-24 | 2015-09-09 | 扬州天扬粮油机械制造有限公司 | Resistance-type moisture meter |
| CN107171617A (en) * | 2017-05-31 | 2017-09-15 | 合肥艾瑞德电气有限公司 | Motor control method and system in a kind of moisture analyser |
| CN107525899A (en) * | 2017-08-14 | 2017-12-29 | 安徽意力电缆有限公司 | A kind of new Moisture Meter |
| CN107449522A (en) * | 2017-08-22 | 2017-12-08 | 无锡神谷金穗科技有限公司 | A kind of Resistance Temperature compensates sensing device |
| CN107449522B (en) * | 2017-08-22 | 2023-05-26 | 无锡神谷金穗科技有限公司 | Resistance type temperature compensation sensing device |
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Application publication date: 20131023 |