CN201264568Y - Digit signal control device for electric wheel automobile electric control system - Google Patents
Digit signal control device for electric wheel automobile electric control system Download PDFInfo
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- CN201264568Y CN201264568Y CN 200820014911 CN200820014911U CN201264568Y CN 201264568 Y CN201264568 Y CN 201264568Y CN 200820014911 CN200820014911 CN 200820014911 CN 200820014911 U CN200820014911 U CN 200820014911U CN 201264568 Y CN201264568 Y CN 201264568Y
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- circuit
- digital signal
- control system
- input circuit
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Abstract
The utility model relates to the technical field of electric-wheel truck electric-control system, in particular to a digital signal control device applied to the electric-control system of an electric-wheel vehicle, comprising a digital signal detecting device arranged on the drive unit of the electric-wheel vehicle, an analogue signal detecting device, a frequency signal detecting device, a control device of the drive unit, as well as a digital signal processor chip, an input interface module, an output interface module, a power supply switching circuit, a digital signal input circuit, an analogue signal input circuit, a frequency signal input circuit, a digital signal output circuit, an analogue signal output circuit, a clock circuit and a power supply module. The control accuracy of the constant power of the electric-wheel vehicle is improved; the DSP performance is sufficiently utilized, and the circuit design is simplified through the softwarization of hardware, and the future algorithm optimization is facilitated; the anti-interference capacity of the system is enhanced, and the reliability of the system is improved.
Description
Technical field
The utility model relates to electric wheel truck electric-control system technical field, particularly a kind of Digital Signals device that is used for the electric wheel truck electric-control system.
Background technology
Because the road of surface mine belongs to non-highway system, is subjected to the restriction of each side factors such as digging space, its road conditions are than highway system complexity.Vehicle is big in vibrations, move in big, dust is big, noise the is big particular surroundings of the temperature difference in season, also will load one, 200 ton goods in addition and finish transportation burden by various operating modes.This electric-control system to electric wheel truck has proposed very high requirement, promptly require system reliable stable, precision is high, speed of response is fast, is convenient to maintenance etc.
Existing electric wheel truck electric-control system is the technology nineties in last century, adopts Single-chip Controlling, though also can control in real time automobile; But the speed of its processing digital signal and ability be far below the DSP technology, and be no longer leading on the reliability of system and precision.
Summary of the invention
The purpose of this utility model is to provide a kind of Digital Signals device that is applied in the electric wheel truck electric-control system, to improve the permanent power control accuracy of electric wheel truck; Make full use of the DSP performance,, simplify circuit layout by hardware replace by software, and convenient algorithm optimization in the future; The antijamming capability of enhanced system, the reliability of raising system.
The Digital Signals device that is used for the electric wheel truck electric-control system of the present utility model, comprise the digital signal detection device on the actuating device that is located at electric wheel truck, the analog signal detection device, the frequency signal detecting device, the control setup of actuating device, it is characterized in that also comprising DSP chip, the input interface module that is connected of DSP chip therewith, output interface module, power-switching circuit, the digital signal input circuit that is connected of input interface module therewith respectively, analog signal input circuit, the frequency signal input circuit, the digital signal output circuit that is connected of output interface module therewith respectively, the frequency signal output circuit, clock circuit, and the power module that is connected of power-switching circuit therewith, this digital signal input circuit is connected with described digital signal detection device, this analog signal input circuit is connected with described analog signal detection device, this frequency signal input circuit is connected this digital signal output circuit with described frequency signal detecting device, the analog signal output circuit is connected with the control setup of described actuating device.
Described DSP chip inside includes CPU and RAM, ROM, timer.
Described DSP chip adopts the TMS302LF2407DSP chip, and its CPU inside has special-purpose processing units such as hardware multiplier.
There is an input keyboard to be connected with described DSP chip plate.
The purpose of this utility model is achieved in that
(Digital Signal Processor) is not only programmable for digital signal processor DSP, and will be far superior to common microprocessor at running velocity and data-handling capacity.Dsp chip is emphasized the real-time of calculation process, except possessing the high-speed computation and controllable function that common microprocessor emphasizes, being primarily aimed at real time digital signal handles, having characteristics such as Harvard structure, stream line operation, special-purpose hardware multiplier, special DSP instruction, rapid instruction cycle, is a kind of microprocessor that is particularly suitable for carrying out digital signal processing.
Therefore, adopt the DSP technology to replace original micro controller system, realize the real-time control and the monitoring of system better as numerical control device.
(1) can utilize the directly synthetic power signal of hardware multiplier special-purpose in the dsp chip, thereby realize the real-time control of permanent power better;
(2) can realize complicated control algorithm with software, simplify the design of peripheral circuit;
(3) by software program is revised the algorithm optimization that can realize in the future, need not to change hardware circuit, shortened the system upgrade time, saved upgrade cost;
(4) can reduce volume, weight and the power consumption of control computer, price comparison simultaneously is low;
(5) noise and interference there are stronger antijamming capability, improve the reliability of system.
Dsp chip can carry out computing with gathering analog signal, frequency signal and the digital signal come up, calculates correct frequency signal and digital controlled signal and to outside output, to realize the closed loop control of power ring.Simultaneously, dsp board can also receive the instruction of keyboard input, and the interfaces such as working parameter of system are outputed on the telltale.
Dsp chip adopts the TMS302LF2407DSP chip in this programme, and its CPU inside has special-purpose processing units such as hardware multiplier, has improved arithmetic speed greatly, can realize the High Accuracy Control of electric power.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of Digital Signals device that is used for the electric wheel truck electric-control system of the present utility model, comprise the digital signal detection device on the actuating device that is located at electric wheel truck, the analog signal detection device, the frequency signal detecting device, the control setup of actuating device, it is characterized in that also comprising DSP chip 7, the input interface module 4 that is connected of DSP chip 7 therewith, output interface module 8, power-switching circuit 6, the digital signal input circuit 3 that is connected of input interface module 4 therewith respectively, analog signal input circuit 2, frequency signal input circuit 1, the digital signal output circuit 9 that is connected of output interface module 8 therewith respectively, analog signal output circuit 10, clock circuit 11, and the power module 5 that is connected of power-switching circuit 6 therewith, this digital signal input circuit 3 is connected with described digital signal detection device, this analog signal input circuit 2 is connected with described analog signal detection device, this frequency signal input circuit 1 is connected with described frequency signal detecting device, this digital signal output circuit 9, analog signal output circuit 10 is connected with the control setup of described actuating device.
Described DSP chip 7 inside include CPU and RAM, ROM, timer.
Described DSP chip 7 adopts the TMS302LF2407DSP chip, and its CPU inside has special-purpose processing units such as hardware multiplier.
There is an input keyboard 12 to be connected with described DSP chip plate 7.
Claims (4)
1, a kind of Digital Signals device that is used for the electric wheel truck electric-control system, comprise the digital signal detection device on the actuating device that is located at electric wheel truck, the analog signal detection device, the frequency signal detecting device, the control setup of actuating device, it is characterized in that also comprising DSP chip, the input interface module that is connected of DSP chip therewith, output interface module, power-switching circuit, the digital signal input circuit that is connected of input interface module therewith respectively, analog signal input circuit, the frequency signal input circuit, the digital signal output circuit that is connected of output interface module therewith respectively, the analog signal output circuit, clock circuit, and the power module that is connected of power-switching circuit therewith, this digital signal input circuit is connected with described digital signal detection device, this analog signal input circuit is connected with described analog signal detection device, this frequency signal input circuit is connected this digital signal output circuit with described frequency signal detecting device, the analog signal output circuit is connected with the control setup of described actuating device.
2, the Digital Signals device that is used for the electric wheel truck electric-control system according to claim 1 is characterized in that described DSP chip inside includes CPU and RAM, ROM, timer.
3, the Digital Signals device that is used for the electric wheel truck electric-control system according to claim 1, it is characterized in that described DSP chip adopts the TMS302LF2407DSP chip, its CPU inside has special-purpose processing units such as hardware multiplier.
4, the Digital Signals device that is used for the electric wheel truck electric-control system according to claim 1 is characterized in that having an input keyboard to be connected with described DSP chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820014911 CN201264568Y (en) | 2008-08-18 | 2008-08-18 | Digit signal control device for electric wheel automobile electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820014911 CN201264568Y (en) | 2008-08-18 | 2008-08-18 | Digit signal control device for electric wheel automobile electric control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201264568Y true CN201264568Y (en) | 2009-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820014911 Expired - Lifetime CN201264568Y (en) | 2008-08-18 | 2008-08-18 | Digit signal control device for electric wheel automobile electric control system |
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| CN (1) | CN201264568Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350669A (en) * | 2013-06-06 | 2013-10-16 | 苏州泽佑科技有限公司 | In-automobile environment detecting system |
-
2008
- 2008-08-18 CN CN 200820014911 patent/CN201264568Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350669A (en) * | 2013-06-06 | 2013-10-16 | 苏州泽佑科技有限公司 | In-automobile environment detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee after: Anshan Iron and Steel Group Mining Co., Ltd. Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee before: Anshan Iron & Steel Group Mining Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090701 |