CN202720500U - Agricultural machinery integrated electrical control device - Google Patents
Agricultural machinery integrated electrical control device Download PDFInfo
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- CN202720500U CN202720500U CN 201220286895 CN201220286895U CN202720500U CN 202720500 U CN202720500 U CN 202720500U CN 201220286895 CN201220286895 CN 201220286895 CN 201220286895 U CN201220286895 U CN 201220286895U CN 202720500 U CN202720500 U CN 202720500U
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Abstract
The utility model provides an agricultural machinery integrated electrical control device, and relates to the technical field of agricultural machinery equipment. The agricultural machinery integrated electrical control device comprises a CPU module. The CPU module is connected with a signal input module and a signal output module. The CPU module comprises a detection unit for detecting whether the agricultural machinery satisfy the working condition, a differential lock control unit for controlling the operation of a differential lock, a driving mode control unit for controlling the four-wheel driving mode of the agricultural machinery, a PTO control unit for controlling a PTO clutch, and an auxiliary transmission control unit for controlling an auxiliary transmission, wherein the detection unit is connected with the differential lock control unit, the driving mode control unit, the PTO control unit and the auxiliary transmission control unit. According to the utility model, circuit failures, such as contact ablation caused by the poor contact of relay contacts, etc., are eliminated, the maintenance cost is reduced, and the reliability and security of the operation of the whole machine are greatly improved.
Description
Technical field
The utility model relates to the agricultural machinery technical field, particularly a kind of agricultural machinery Universal electric control device.
Background technology
Along with the progress of society and the development of science and technology, increasing agricultural equipment is applied in the agricultural production, such as tractor, seeder and cropper etc., has brought very large income to the peasant.At present, the control of the 4 wheel driven of the agricultural machinery of domestic production, differential lock control, PTO(PTO) control mode of Clutch Control and the control of secondary speed change high and low shift adopts switch, Control more, when subsistence logic concerns between each function, change with regard to needs increase auxiliary contact and auxiliary reclay, so that circuit is very loaded down with trivial details, wire is too much, and line fault occurs easily, thereby the work worker who affects whole agricultural machinery leans on property.
The utility model content
The utility model purpose is in order to overcome above-mentioned deficiency, to provide a kind of integrated level high, the simple agricultural machinery Universal electric of circuit control device.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of agricultural machinery Universal electric control device, comprise the CPU module, described CPU module is connected with signal input module and signal output module, described CPU module comprises the detecting unit that whether satisfies condition of work for detection of described agricultural machinery, the differential lock control module that is used for the work of control differential lock, be used for controlling the type of drive control module of described agricultural machinery four-wheel drive mode, the secondary speed Control unit that is used for controlling the PTO control module of PTO clutch coupling and is used for the control auxiliary transmission, described detecting unit connects described differential lock control module, the type of drive control module, the PTO control module, secondary speed Control unit.
As a kind of improvement, described signal input module comprises: the first input end mouth that is used for accessing described Agricultural Machinery Hydraulic Systems pressure signal, the second input port that is used for access differential-lock control signal, be used for accessing the 3rd input port of described agricultural machinery travel speed signal, the four-input terminal mouth that is used for access 4 wheel driven switching signal, the 5th input port that is used for access service brake signal, the 6th input port that is used for the access parking brake signals, the 7th input port that is used for access PTO clutch switch signal, the 9th input port that is used for accessing the 8th input port of the high-grade switching signal of secondary speed change and is used for accessing the low-grade switching signal of secondary speed change.
As further improvement, described signal output module comprises: for the first output port of controlling the differential lock electromagnetic valve work, for the second output port of controlling the 4 wheel driven electromagnetic valve work, for the 3rd output port of controlling the PTO clutch solenoid valve, for the 4th output port of controlling secondary speed change top grade solenoid valve with for the 5th output port of controlling secondary speed change low grade solenoid valve.
As further improvement, described secondary speed Control unit comprises the high-grade control module of secondary speed change and the low-grade control module of secondary speed change, the high-grade control module of described secondary speed change connects described the 4th output terminal, and the low-grade control module of described secondary speed change connects described the 5th output port.
The beneficial effects of the utility model are: because agricultural machinery Universal electric control device described in the utility model has adopted the structure of blocking, use the CPU programmed control, replaced original relay circuit, eliminated relay contact because of loose contact, and cause the line faults such as pitting of contact, reduce maintenance cost, greatly improved complete machine reliability of operation and security, improved the technology content of complete machine; Because whole control elements are integrated in the controller, effectively reduced installing space, saved production cost.
Description of drawings
Fig. 1 is hardware block diagram of the present utility model;
Fig. 2 is program flow diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
Shown in Fig. 1 and Fig. 2 were common, a kind of agricultural machinery Universal electric control device comprised the CPU module, also comprises the signal input module and the signal output module that are connected with the CPU module; Described CPU module comprise for detection of described agricultural machinery whether satisfy condition of work detecting unit, be used for the work of control differential lock the differential lock control module, be used for controlling described agricultural machinery four-wheel drive mode the type of drive control module, be used for the PTO control module of control PTO clutch coupling and in the secondary speed Control unit of control auxiliary transmission, described detecting unit connects described differential lock control module, type of drive control module, PTO control module, secondary speed Control unit.Secondary speed Control unit comprises the high-grade control module of secondary speed change and the low-grade control module of secondary speed change.Above-described each function control unit drives by the logic control program of CPU, controls respectively differential lock solenoid valve, 4 wheel driven solenoid valve, PTO clutch solenoid valve, the high-grade solenoid valve of secondary speed change and the low-grade solenoid valve of secondary speed change.Agricultural machinery Universal electric control device also comprises power module.
Described signal input module has nine road input ports, is respectively be used to the first input end mouth that accesses described Agricultural Machinery Hydraulic Systems pressure signal, the second input port that is used for access differential-lock control signal, be used for accessing the 3rd input port of described agricultural machinery travel speed signal, the four-input terminal mouth that is used for access 4 wheel driven switching signal, the 5th input port that is used for access service brake signal, the 6th input port that is used for the access parking brake signals, the 7th input port that is used for access PTO clutch switch signal, the 9th input port that is used for accessing the 8th input port of the high-grade switching signal of secondary speed change and is used for accessing the low-grade switching signal of secondary speed change.The 3rd above-mentioned input port is analog signals input port or pulse signal input terminal mouth, and other eight input ports are the switching value signal input port.
Described signal output module has five road output ports, is respectively for the first output port of controlling the differential lock electromagnetic valve work, for the second output port of controlling the 4 wheel driven electromagnetic valve work, for the 3rd output port of control PTO clutch solenoid valve, for the 4th output port of controlling secondary speed change top grade solenoid valve with for the 5th output port of controlling secondary speed change low grade solenoid valve.Five road above-mentioned output ports are the analog quantity voltage signal output port.
Described detecting unit receives the signal of first input end mouth, after judging through computing the result is exported to differential lock control module, type of drive control module, PTO control module, secondary speed Control unit, the first output port, the second output port, the 3rd output port, the 4th output port and the 5th output port.When the hydraulic system pressure of agricultural machinery is lower than default value 1.6Mpa, the signal that hydraulic pressure switch S 836 is input to the first input end mouth is low level, detecting unit output low level then, so each functional unit that is connected with detecting unit is not worked, each output port that is connected with detecting unit is low level, and the solenoid valve of the corresponding control of each output port is not worked.When the hydraulic system pressure of agricultural machinery reaches default value 1.6Mpa, the signal that hydraulic pressure switch S 836 is input to the first input end mouth is high level, each functional unit that is connected with detecting unit will carry out computing and judgement according to the input signal of other input port, control the state of each output port, thereby control the electromagnetic valve work of the corresponding control of each output port.
The differential lock control module receives the signal of the second input port and the 3rd input port, controls the state of the first output port and the second output port through computing and judgement, thereby controls and the first output port and the corresponding solenoid valve of the second output port.When the closure signal of the differential-lock control S826 of agricultural machinery is input to the second input port, the differential lock control module is started working, if the travel speed signal S839 that this moment, the 3rd input port received is the pulse signal that high level or travel speed surpass 15km/h, then the differential lock control module will be controlled the first output port and the second output port is low level, so the differential lock solenoid valve F821 of the corresponding control of the first output port does not work, the 4 wheel driven solenoid valve F822 of the corresponding control of the second output port does not work; If the travel speed signal S839 that this moment, the 3rd input port received is the pulse signal that low level or travel speed do not surpass 15km/h, then the differential lock control module will be controlled the first output port and the second output port is high level, so the differential lock solenoid valve F821 of the corresponding control of the first output port work, the 4 wheel driven solenoid valve F822 work of the corresponding control of the second output port.
The type of drive control module receives the signal of the 3rd input port, four-input terminal mouth, the 5th input port and the 6th input port, control the state of the second output port through computing and judgement, thereby control and the corresponding 4 wheel driven solenoid valve of the second output port F822.When the closure signal of the 4 wheel driven switch S 827 of agricultural machinery is input to the four-input terminal mouth, the type of drive control module is started working: if the travel speed signal S839 that this moment, the 3rd input port received is the pulse signal that high level or travel speed surpass 15km/h, then will to control the second output port be low level to the type of drive control module, so the 4 wheel driven solenoid valve F822 of the corresponding control of the second output port does not work; If the travel speed signal S839 that this moment, the 3rd input port received is the pulse signal that low level or travel speed do not surpass 15km/h, then will to control the second output port be high level to the type of drive control module, so the 4 wheel driven solenoid valve F822 of the corresponding control of the second output port work.When the closure signal that is input to the 5th input port or parking braking switch S 57 when the closure signal of the brake switch S18 of agricultural machinery is input to the 6th input port, the type of drive control module is started working: if the travel speed signal S839 that this moment, the 3rd input port received is the pulse signal that high level or travel speed surpass 15km/h, then will to control the second output port be low level to the type of drive control module, so the 4 wheel driven solenoid valve F822 of the corresponding control of the second output port does not work; If the travel speed signal S839 that this moment, the 3rd input port received is the pulse signal that low level or travel speed do not surpass 15km/h, then will to control the second output port be high level to the type of drive control module, so the 4 wheel driven solenoid valve F822 of the corresponding control of the second output port work.
The PTO control module receives the signal of the 7th input port, controls the state of the 3rd output port through computing and judgement, thereby controls and the corresponding PTO clutch solenoid valve of the 3rd output port F823.When if the closure signal of the PTO clutch switch S828 of agricultural machinery is input to the 7th input port, what then the 7th input port received is high level, it is high level that the PTO control module will be controlled the 3rd output port, so the PTO clutch solenoid valve F823 of the corresponding control of the 3rd output port work; When if the cut-off signal of the PTO clutch switch S828 of agricultural machinery is input to the 7th input port, what then the 7th input port received is low level, it is low level that the PTO control module will be controlled the 3rd output port, so the PTO clutch solenoid valve F823 of the corresponding control of the 3rd output port does not work.
The high-grade control module of secondary speed change receives the signal of the 8th input port, and the state of the 4th output port is controlled in process computing and judgement, thus control and the corresponding secondary speed change top grade solenoid valve F824 of the 4th output port.When if the closure signal of the high-grade switch S 829 of secondary speed change of agricultural machinery is input to the 8th input port, what then the 8th input port received is high level, it is high level that the high-grade control module of secondary speed change will be controlled the 4th output port, so the high-grade solenoid valve F824 work of the secondary speed change of the corresponding control of the 4th output port; When if the cut-off signal of the high-grade switch S 829 of secondary speed change of agricultural machinery is input to the 8th input port, what then the 8th input port received is low level, it is low level that the high-grade control module of secondary speed change will be controlled the 4th output port, so the high-grade solenoid valve F824 of the secondary speed change of the corresponding control of the 4th output port does not work.
The low-grade control module of secondary speed change receives the signal of the 9th input port, and the state of the 5th output port is controlled in process computing and judgement, thus control and the corresponding secondary speed change low grade solenoid valve F825 of the 5th output port.When if the closure signal of the low-grade switch S 830 of secondary speed change of agricultural machinery is input to the 9th input port, what then the 9th input port received is high level, it is high level that the low-grade control module of secondary speed change will be controlled the 5th output port, so the low-grade solenoid valve F825 work of the secondary speed change of the corresponding control of the 5th output port; When if the cut-off signal of the low-grade switch S 830 of secondary speed change of agricultural machinery is input to the 9th input port, what then the 9th input port received is low level, it is low level that the low-grade control module of secondary speed change will be controlled the 5th output port, so the low-grade solenoid valve F825 of the secondary speed change of the corresponding control of the 5th output port does not work.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done all drop within the protection domain of the present utility model.
Claims (4)
1. agricultural machinery Universal electric control device, comprise the CPU module, described CPU module is connected with signal input module and signal output module, it is characterized in that: described CPU module comprises the detecting unit that whether satisfies condition of work for detection of described agricultural machinery, the differential lock control module that is used for the work of control differential lock, be used for controlling the type of drive control module of described agricultural machinery four-wheel drive mode, the secondary speed Control unit that is used for controlling the PTO control module of PTO clutch coupling and is used for the control auxiliary transmission, described detecting unit connects described differential lock control module, the type of drive control module, the PTO control module, secondary speed Control unit.
2. agricultural machinery Universal electric control device according to claim 1, it is characterized in that: described signal input module comprises: the first input end mouth that is used for accessing described Agricultural Machinery Hydraulic Systems pressure signal, the second input port that is used for access differential-lock control signal, be used for accessing the 3rd input port of described agricultural machinery travel speed signal, the four-input terminal mouth that is used for access 4 wheel driven switching signal, the 5th input port that is used for access service brake signal, the 6th input port that is used for the access parking brake signals, the 7th input port that is used for access PTO clutch switch signal, the 9th input port that is used for accessing the 8th input port of the high-grade switching signal of secondary speed change and is used for accessing the low-grade switching signal of secondary speed change.
3. agricultural machinery Universal electric control device according to claim 1, it is characterized in that: described signal output module comprises: be used for control differential lock electromagnetic valve work the first output port, be used for control 4 wheel driven electromagnetic valve work the second output port, be used for the 3rd output port of control PTO clutch solenoid valve, the 5th output port that is used for controlling the 4th output port of the high-grade solenoid valve of secondary speed change and is used for controlling the low-grade solenoid valve of secondary speed change.
4. agricultural machinery Universal electric control device according to claim 3, it is characterized in that: described secondary speed Control unit comprises the high-grade control module of secondary speed change and the low-grade control module of secondary speed change, the high-grade control module of described secondary speed change connects described the 4th output terminal, and the low-grade control module of described secondary speed change connects described the 5th output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286895 CN202720500U (en) | 2012-06-18 | 2012-06-18 | Agricultural machinery integrated electrical control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286895 CN202720500U (en) | 2012-06-18 | 2012-06-18 | Agricultural machinery integrated electrical control device |
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| CN202720500U true CN202720500U (en) | 2013-02-06 |
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| CN 201220286895 Expired - Fee Related CN202720500U (en) | 2012-06-18 | 2012-06-18 | Agricultural machinery integrated electrical control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071001A (en) * | 2013-03-29 | 2014-10-01 | 诸城福田汽车科技开发有限公司 | Differential lock control method, differential lock control system and differential lock assembly |
| CN105539327A (en) * | 2015-12-25 | 2016-05-04 | 芜湖佳景科技有限公司 | Intelligent control system for heavy truck differential locks |
| CN108363344A (en) * | 2017-10-24 | 2018-08-03 | 山东省农业机械科学研究院 | Agricultural machinery reliability test method based on cloud network TT＆C system |
| CN109654130A (en) * | 2018-12-27 | 2019-04-19 | 雷沃重工股份有限公司 | A kind of wet type PTO solenoid valve block and its control method, full-vehicle control unit |
| US11117562B2 (en) | 2019-09-18 | 2021-09-14 | Caterpillar Sarl | Hydraulic valve module and method for supplying hydraulic pressure to circuits of a vehicle |
-
2012
- 2012-06-18 CN CN 201220286895 patent/CN202720500U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071001A (en) * | 2013-03-29 | 2014-10-01 | 诸城福田汽车科技开发有限公司 | Differential lock control method, differential lock control system and differential lock assembly |
| CN105539327A (en) * | 2015-12-25 | 2016-05-04 | 芜湖佳景科技有限公司 | Intelligent control system for heavy truck differential locks |
| CN105539327B (en) * | 2015-12-25 | 2018-02-27 | 芜湖佳景科技有限公司 | A kind of intelligence control system for heavy truck differential lock |
| CN108363344A (en) * | 2017-10-24 | 2018-08-03 | 山东省农业机械科学研究院 | Agricultural machinery reliability test method based on cloud network TT＆C system |
| CN108363344B (en) * | 2017-10-24 | 2022-09-02 | 山东省农业机械科学研究院 | Agricultural machine reliability test method based on cloud network measurement and control system |
| CN109654130A (en) * | 2018-12-27 | 2019-04-19 | 雷沃重工股份有限公司 | A kind of wet type PTO solenoid valve block and its control method, full-vehicle control unit |
| CN109654130B (en) * | 2018-12-27 | 2020-02-04 | 雷沃重工股份有限公司 | Wet-type PTO electromagnetic valve set, control method thereof and whole vehicle control unit |
| US11117562B2 (en) | 2019-09-18 | 2021-09-14 | Caterpillar Sarl | Hydraulic valve module and method for supplying hydraulic pressure to circuits of a vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee after: LOVOL HEAVY INDUSTRY CO., LTD. Address before: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee before: Futian Leiwo International Heavy Industry Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20170618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |