CN216252175U - Agricultural machine engineering machine vehicle is with automatically controlled box - Google Patents
Agricultural machine engineering machine vehicle is with automatically controlled box Download PDFInfo
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- CN216252175U CN216252175U CN202122815877.4U CN202122815877U CN216252175U CN 216252175 U CN216252175 U CN 216252175U CN 202122815877 U CN202122815877 U CN 202122815877U CN 216252175 U CN216252175 U CN 216252175U
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- diode
- load unloading
- box body
- solenoid valve
- box
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Abstract
The utility model discloses an electric control box for an agricultural mechanical engineering machinery vehicle, which comprises a box body and an electromagnetic valve, wherein a load unloading circuit is arranged in the box body, eighteen groups of load unloading circuits are arranged in the box body and sequentially run in parallel, and the load unloading circuit comprises a control switch K1. This agricultural machine engineering machine vehicle is with automatically controlled box, through the reposition of redundant personnel power supply mode, not only guarantee to supply power and the actuation for the solenoid valve, when obtaining corresponding mechanical action, can also realize that the solenoid valve gets the electric off-load, prepare for other solenoid valve work, and added and prevented the direct current and drawn the arc function, for L1, L2 provides the bypass, the electric current in the coil obtains the release, the harm that the direct current drawn the arc has been reduced, improve automatically controlled box safety in utilization and reliability, reduce the emergence of fault rate, the life of switch has been prolonged.
Description
Technical Field
The utility model relates to the technical field of electric control boxes of special vehicles for agricultural mechanical engineering machinery, in particular to an electric control box for an agricultural mechanical engineering machinery vehicle.
Background
With the acceleration of the modernization process of a grain combine harvester (hereinafter referred to as a combine harvester for short), how to improve the standard operation level of grain harvesting in the field, reduce the labor intensity of a driver, and give full play to the role of modern harvesting machinery in guaranteeing national grain safety is a new research subject in the field of agricultural machinery harvesting in China at present.
In order to realize automatic control of a handle button on an operation path of the combine harvester, an original stay wire operation system of the combine harvester needs to be modified, and in order to ensure that the manual steering function of the operation system is unchanged after modification, an electric control box is often additionally arranged on an oil circuit of an original full-hydraulic steering system.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an electric control box for an agricultural mechanical engineering machinery vehicle, which solves the problems of failure frequency and complex process of the conventional electric control box.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an agricultural machine engineering machine is automatically controlled box for car, includes box body and solenoid valve, the inside of box body is provided with load unloading circuit, load unloading circuit is provided with eighteen groups, and eighteen groups load unloading circuit parallel operation in proper order, load unloading circuit includes control switch K1, control switch K1 is connected with first diode D1 and second diode D2 respectively through the wire, second diode D2 is connected with first air reactor L1 through the wire, first air reactor L1 is connected with the solenoid valve through the wire, first diode D1 is connected with second air reactor L2 through the wire, second air reactor L2 is connected with the solenoid valve through the wire.
Preferably, the surface of the load unloading circuit is connected with a direct current arc discharge prevention circuit through a lead, and the direct current arc discharge prevention circuit comprises a third diode D3 and a capacitor C1.
Preferably, the third diode D3 is connected to the control switch K1, the first diode D1 and the second diode D2 by wires, and the capacitor C1 is connected in parallel to the second air-core reactor L2 by wires.
Preferably, eighteen input line ends are arranged on the back surface of the box body, nineteen output line ends are arranged on the front surface of the box body, one end of each input line end is connected with the input end of the load unloading circuit, and one end of each nineteen output line end is connected with the output end of the load unloading circuit.
Advantageous effects
The utility model provides an electric control box for an agricultural mechanical engineering machinery vehicle. Compared with the prior art, the method has the following beneficial effects:
(1) this agricultural machine engineering machine is automobile-used automatically controlled box, through the reposition of redundant personnel power supply mode, guarantee to supply power and the actuation for the solenoid valve, when obtaining corresponding mechanical action, realize that the solenoid valve gets the electric off-load, prepare for other solenoid valve work, and add and prevent that the direct current draws the arc function, for L1, L2 provides the bypass, the electric current in the coil obtains the release, the harm that the direct current drawn the arc has been reduced, improve automatically controlled box safety in utilization and reliability, reduce the emergence of fault rate, the life of switch has been prolonged.
(2) The electric control box for the agricultural machinery engineering machinery vehicle is simpler and clearer in manufacturing process, so that manufacturers producing agricultural machinery and engineering machinery can save more worry in the vehicle assembling process, the use cost of users is reduced, the failure rate in the use process is reduced, and the satisfaction degree of terminal users in the use process of the agricultural machinery is improved.
Drawings
FIG. 1 is a schematic diagram of the connection of a load unloading circuit and a DC arcing prevention circuit according to the present invention;
FIG. 2 is a schematic view of the external structure of the case according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: an electronic control box for an agricultural machinery engineering machinery vehicle comprises a box body and electromagnetic valves, wherein a load unloading circuit is arranged in the box body, eighteen groups of load unloading circuits are arranged on the load unloading circuit, the eighteen groups of load unloading circuits sequentially run in parallel, the load unloading circuit comprises a control switch K1, the control switch K1 is connected with a first diode D1 and a second diode D2 through leads respectively, the second diode D2 is connected with a first air reactor L1 through leads, the first air reactor L1 is connected with the electromagnetic valves through leads, the first diode D1 is connected with the second air reactor L2 through leads, and the second air reactor L2 is connected with the electromagnetic valves through leads, wherein the control switch comprises K1, K2 to K36, the first diode comprises D1, D4 to D54, and the second diode comprises D2, D5 to D55.
As an alternative embodiment, the surface of the load unloading circuit is connected with a direct current arc discharge prevention circuit through a lead, the direct current arc discharge prevention circuit comprises a third diode D3 and a capacitor C1, the third diode D3 is connected with a control switch K1, a first diode D1 and a second diode D2 through leads, a capacitor C1 is connected with a second air-core reactor L2 in parallel through leads, the third diode comprises D3, D6 and D56, and the capacitor comprises C1, C2 and C18.
Furthermore, eighteen input line ends are arranged on the back surface of the box body, nineteen output line ends are arranged on the front surface of the box body, one end of each input line end is connected with the input end of the load unloading circuit, and one end of each nineteen output line end is connected with the output end of the load unloading circuit.
And those not described in detail in this specification are well within the skill of those in the art.
When K1 is closed, D1 and D2 are conducted in the positive direction, current flows into the negative pole of a power supply through D1 and L2, when the current passes through L2, the electromagnetic valve is electrified and unloaded to prepare for the work of other electromagnetic valves, the other path of current flows to D2 and L1 to supply power to the electromagnetic valve and attract the electromagnetic valve to obtain corresponding mechanical action to complete one path of input and output functions, the rest seventeen paths of input and output are the same, in addition, the electric control box is added with a direct current arc-drawing prevention function and respectively consists of elements C1 and D3, when the K1 is disconnected, L1 and L2 generate large induced electromotive force and are added to two ends of K1 to form arc-drawing ablation switch dynamic and static contacts, in order to avoid the phenomenon, an arc-extinguishing circuit consisting of C1 and D3 plays an important role, and the working process is that: at the moment of cutting off the K1, high-voltage induced potentials are generated at two ends of the L1 and the L2, the polarities of the high-voltage induced potentials are up, down and positive, and the high-voltage induced potentials are added at two ends of the switch to form inductive reactance to prevent the high-voltage potentials from disappearing, at the moment, the two ends of the switch K1 bear high voltage, arc discharge is generated along with separation of contacts to damage moving and static contacts, and due to the fact that the C1 and the D3 are added, bypasses are provided for the L1 and the L2, current in a coil is released, the harm of direct-current arc discharge is reduced, and the service life of the switch is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an agricultural machinery engineering machine is automatically controlled box for car, includes box body and solenoid valve, its characterized in that: the inside of box body is provided with load unloading circuit, load unloading circuit is provided with eighteen groups, and eighteen groups load unloading circuit is parallelly connected operation in proper order, load unloading circuit includes control switch K1, control switch K1 is connected with first diode D1 and second diode D2 respectively through the wire, second diode D2 is connected with first air reactor L1 through the wire, first air reactor L1 is connected with the solenoid valve through the wire, first diode D1 is connected with second air reactor L2 through the wire, second air reactor L2 is connected with the solenoid valve through the wire to load unloading circuit surface is connected with anti-direct current arc discharge circuit through the wire.
2. The electric control box for the agricultural mechanical engineering machinery vehicle according to claim 1, characterized in that: the direct current arc discharge prevention circuit comprises a third diode D3 and a capacitor C1.
3. The electric control box for the agricultural mechanical engineering machinery vehicle according to claim 2, characterized in that: the third diode D3 is connected with the control switch K1, the first diode D1 and the second diode D2 through wires, and the capacitor C1 is connected with the second air-core reactor L2 in parallel through wires.
4. The electric control box for the agricultural mechanical engineering machinery vehicle according to claim 1, characterized in that: eighteen input line ends are arranged on the back face of the box body, nineteen output line ends are arranged on the front face of the box body, one end of each input line end is connected with the input end of the load unloading circuit, and one end of each nineteen output line end is connected with the output end of the load unloading circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122815877.4U CN216252175U (en) | 2021-11-17 | 2021-11-17 | Agricultural machine engineering machine vehicle is with automatically controlled box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122815877.4U CN216252175U (en) | 2021-11-17 | 2021-11-17 | Agricultural machine engineering machine vehicle is with automatically controlled box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216252175U true CN216252175U (en) | 2022-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122815877.4U Active CN216252175U (en) | 2021-11-17 | 2021-11-17 | Agricultural machine engineering machine vehicle is with automatically controlled box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216252175U (en) |
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2021
- 2021-11-17 CN CN202122815877.4U patent/CN216252175U/en active Active
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