CN202350811U - Parameter display circuit for self-traveling cotton picker - Google Patents
Parameter display circuit for self-traveling cotton picker Download PDFInfo
- Publication number
- CN202350811U CN202350811U CN2011205239190U CN201120523919U CN202350811U CN 202350811 U CN202350811 U CN 202350811U CN 2011205239190 U CN2011205239190 U CN 2011205239190U CN 201120523919 U CN201120523919 U CN 201120523919U CN 202350811 U CN202350811 U CN 202350811U
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- blower fan
- fan
- chip microcomputer
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Abstract
The utility model discloses a parameter display circuit for a self-traveling cotton picker, wherein a signal collected by a speed sensor is transmitted to a single chip through a signal processing circuit; a water pressure signal sampled by a water pressure signal sampling circuit is transmitted to the single chip; a fan operating signal input circuit receives a fan operating signal from a fan plate and transmits the signal to the single chip; a fan alarm output by the singe chip is transmitted to an alarm through a fan alarm output circuit; a fan enable signal output by the single chip is transmitted to a fan circuit through a fan enable signal output circuit; a speed signal and a water pressure signal received by the singe chip are displayed on a display circuit; a storage is electrically connected with the single chip; and a power conversion circuit provides different DC power sources for the parameter display circuit. A signal preprocessing circuit is additionally arranged for hysteresis comparison and optocoupler isolation, so as to achieve the purposes of high-precision, correct and stable display.
Description
Technical field
The utility model relates to the control circuit of cotton picker, particularly, relates to a kind of parameter display circuit that is used for self propelled cotton picker.
Background technology
There is large-area cotton planting in China, and one will use great amount of manpower to carry out the collection of cotton to the cotton collecting season, and cotton picker should be various technology limitation and is not widely used.Existing cotton picker parameter display system mainly is to show engine speed, rotation speed of fan and ground run speed; After signal is sent by sensor; Be transported to the parameter display board, after the simple processing of interference just, getting into single-chip microcomputer again; Through simple conversion, output on the display device and show.The precision that shows like this is low, and poor accuracy, and rather unstable often occur showing the numerical value big rise and fall or produce fluctuation that promptly stability is quite bad.
The utility model content
The purpose of the utility model is, to the problems referred to above, proposes a kind of parameter display circuit that is used for self propelled cotton picker, to realize high, the accurate and stable advantage of display precision.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is:
A kind of parameter display circuit that is used for self propelled cotton picker; Comprise single-chip microcomputer, speed pickup, rate signal treatment circuit, storer, hydraulic signal sample circuit, fan operation signal input circuit, power converting circuit, blower fan warning output circuit, display circuit and blower fan enable signal output circuit; The signal that said speed pickup collects is transferred to single-chip microcomputer through the rate signal treatment circuit; The hydraulic signal that said hydraulic signal sample circuit will be sampled is transferred to single-chip microcomputer; Said fan operation signal input circuit is accepted from the fan operation signal of blower fan plate and this signal is transferred to single-chip microcomputer; The blower fan of said single-chip microcomputer output is reported to the police and is transferred to alarm through blower fan warning output circuit; The blower fan enable signal of its output is transferred to the blower fan circuit through blower fan enable signal output circuit; Rate signal and hydraulic signal that said single-chip microcomputer is accepted are presented on the display circuit, and said storer is connected electrically on the single-chip microcomputer, and said power converting circuit provides different direct supplys for the parameter display circuit.
Further, between the direct supply of circuit and the two poles of the earth, be in series with isolation circuit.
Further, be in series with power isolation circuit between the said direct supply.
Further, be electrically connected with the clock signal frequency dividing circuit on the said single-chip microcomputer.
Further, said rate signal treatment circuit, hydraulic signal sample circuit, blower fan warning output circuit and blower fan enable signal output circuit adopt optocoupler to be connected with single-chip microcomputer.
Further, said speed pickup comprises engine speed sensor, rotation speed of fan sensor and cotton picker speed of travel sensor.
The treatment circuit in early stage, sluggishness that the technical scheme of the utility model has increased signal relatively and adopt light-coupled isolation; Thereby realize high, the accurate and stable purpose of display precision; And increase isolation circuit and power isolation circuit have further been strengthened display precision, accuracy and the stability of parameter display circuit, make to show that numerical value no longer produces fluctuation.
Further feature of the utility model and advantage will be set forth in instructions subsequently, and, partly from instructions, become obvious, perhaps understand through implementing the utility model.The purpose of the utility model can realize through the structure that in the instructions of being write, claims and accompanying drawing, is particularly pointed out and obtain with other advantages.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide the further understanding to the utility model, and constitutes the part of instructions, is used to explain the utility model with the embodiment of the utility model, does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the theory diagram of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Fig. 2 is the electric diagram of single-chip microcomputer of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Fig. 3 is the electric diagram that the velocity process circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment is connected with optocoupler;
Fig. 4 is the electric diagram of fan operation signal input circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Fig. 5 is the electric diagram of power converting circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Fig. 6 is the electric diagram of storer of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Fig. 7 is the electric diagram of clock signal frequency dividing circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Fig. 8 is the electric diagram of isolation circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Fig. 9 is the electric diagram of hydraulic signal sample circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Figure 10 is the electric diagram of blower fan alerting signal output circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Figure 11 is the electric diagram of blower fan enable signal output circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Figure 12 is the electric diagram of power isolation circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment;
Figure 13 and Figure 14 are the electric diagram of display circuit of the parameter display circuit of the described self propelled cotton picker of the utility model embodiment.
Embodiment
Describe below in conjunction with the preferred embodiment of accompanying drawing, should be appreciated that preferred embodiment described herein only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.
Extremely shown in Figure 14 like Fig. 1; A kind of parameter display circuit that is used for self propelled cotton picker; Comprise single-chip microcomputer, speed pickup, rate signal treatment circuit, storer, hydraulic signal sample circuit, fan operation signal input circuit, power converting circuit, blower fan warning output circuit, display circuit and blower fan enable signal output circuit; The signal that speed pickup collects is transferred to single-chip microcomputer through the rate signal treatment circuit; The hydraulic signal sample circuit will be sampled to such an extent that hydraulic signal is transferred to single-chip microcomputer; The fan operation signal input circuit is accepted from the fan operation signal of blower fan plate and this signal is transferred to single-chip microcomputer; The blower fan of single-chip microcomputer output is reported to the police and is transferred to alarm through blower fan warning output circuit, and the blower fan enable signal of its output is transferred to the blower fan circuit through blower fan enable signal output circuit, and rate signal and hydraulic signal that single-chip microcomputer is accepted are presented on the display circuit; Storer is connected electrically on the single-chip microcomputer, and power converting circuit provides different direct supplys for the parameter display circuit.
Wherein, speed pickup comprises engine speed sensor, rotation speed of fan sensor and cotton picker speed of travel sensor.Between the direct supply of circuit and the two poles of the earth, be in series with isolation circuit.Be in series with power isolation circuit between the direct supply.Be electrically connected with the clock signal frequency dividing circuit on the single-chip microcomputer.Rate signal treatment circuit, hydraulic signal sample circuit, blower fan warning output circuit and blower fan enable signal output circuit adopt optocoupler to be connected with single-chip microcomputer.
In sum, the technical scheme of the utility model has increased digital filtering aspect software, has further strengthened precision, accuracy and the stability of display circuit.
What should explain at last is: the above is merely the preferred embodiment of the utility model; Be not limited to the utility model; Although the utility model has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. parameter display circuit that is used for self propelled cotton picker; It is characterized in that; Comprise single-chip microcomputer, speed pickup, rate signal treatment circuit, storer, hydraulic signal sample circuit, fan operation signal input circuit, power converting circuit, blower fan warning output circuit, display circuit and blower fan enable signal output circuit; The signal that said speed pickup collects is transferred to single-chip microcomputer through the rate signal treatment circuit; The hydraulic signal that said hydraulic signal sample circuit will be sampled is transferred to single-chip microcomputer; Said fan operation signal input circuit is accepted from the fan operation signal of blower fan plate and this signal is transferred to single-chip microcomputer; The blower fan of said single-chip microcomputer output is reported to the police and is transferred to alarm through blower fan warning output circuit, and the blower fan enable signal of its output is transferred to the blower fan circuit through blower fan enable signal output circuit, and rate signal and hydraulic signal that said single-chip microcomputer is accepted are presented on the display circuit; Said storer is connected electrically on the single-chip microcomputer, and said power converting circuit provides different direct supplys for the parameter display circuit.
2. the parameter display circuit that is used for self propelled cotton picker according to claim 1 is characterized in that, between the direct supply of circuit and the two poles of the earth, is in series with isolation circuit.
3. the parameter display circuit that is used for self propelled cotton picker according to claim 1 is characterized in that, is in series with power isolation circuit between the said direct supply.
4. the parameter display circuit that is used for self propelled cotton picker according to claim 1 is characterized in that, is electrically connected with the clock signal frequency dividing circuit on the said single-chip microcomputer.
5. according to claim 1,2, the 3 or 4 described parameter display circuits that are used for self propelled cotton picker; It is characterized in that said rate signal treatment circuit, hydraulic signal sample circuit, blower fan warning output circuit and blower fan enable signal output circuit adopt optocoupler to be connected with single-chip microcomputer.
6. the parameter display circuit that is used for self propelled cotton picker according to claim 5 is characterized in that, said speed pickup comprises engine speed sensor, rotation speed of fan sensor and cotton picker speed of travel sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205239190U CN202350811U (en) | 2011-12-14 | 2011-12-14 | Parameter display circuit for self-traveling cotton picker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205239190U CN202350811U (en) | 2011-12-14 | 2011-12-14 | Parameter display circuit for self-traveling cotton picker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202350811U true CN202350811U (en) | 2012-07-25 |
Family
ID=46539809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205239190U Expired - Fee Related CN202350811U (en) | 2011-12-14 | 2011-12-14 | Parameter display circuit for self-traveling cotton picker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202350811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360649A (en) * | 2014-10-10 | 2015-02-18 | 上海大学 | Automatic cotton-picking machine packaging control system |
-
2011
- 2011-12-14 CN CN2011205239190U patent/CN202350811U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360649A (en) * | 2014-10-10 | 2015-02-18 | 上海大学 | Automatic cotton-picking machine packaging control system |
| CN104360649B (en) * | 2014-10-10 | 2017-05-10 | 上海大学 | Automatic cotton-picking machine packaging control system |
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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: 20120725 Termination date: 20131214 |