CN202632021U - Electric equipment control system for engineering vehicle - Google Patents
Electric equipment control system for engineering vehicle Download PDFInfo
- Publication number
- CN202632021U CN202632021U CN 201220258076 CN201220258076U CN202632021U CN 202632021 U CN202632021 U CN 202632021U CN 201220258076 CN201220258076 CN 201220258076 CN 201220258076 U CN201220258076 U CN 201220258076U CN 202632021 U CN202632021 U CN 202632021U
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- control circuit
- circuit
- vehicle
- generator
- power
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Abstract
The utility model relates to an electric equipment control system for an engineering vehicle. An embedded DSP (Digital Signal Processing) signal input end is respectively connected with a current sampling and overcurrent protecting circuit unit, a battery voltage sampling circuit unit, a temperature sampling circuit unit and a rectifying voltage sampling circuit unit of a generator. An embedded DSP signal output end is respectively connected with an engine start control circuit, an engine preheating control circuit, a vehicle light control circuit, a vehicle steering light control circuit, a vehicle instrument and loudspeaker power supply control circuit and an H-bridge driving circuit. The engine start control circuit, the engine preheating control circuit, the vehicle light control circuit, the vehicle steering light control circuit and the vehicle instrument and loudspeaker power supply control circuit are sequentially connected with fuses 1-5 of a power supply. The electric equipment control system for the engineering vehicle has the function of input overvoltage, output overcurrent and over-temperature protection, and has an electrified self-examining protection power. When a power loop is abnormal, the system cuts off an input main power supply automatically so as to protect the control system.
Description
Technical field
The utility model relates to a kind of engineering truck electrical equipment control system.
Background technology
In the prior art, the electrical apparatus control system of engineering truck adopts the realization of simple function more.
The utility model content
To the problems referred to above that exist in the prior art, the utility model provides a kind of engineering truck electrical equipment control system.
The technical scheme that the utility model adopts is following:
A kind of engineering truck electrical equipment control system; Have battery and generator; It is characterized in that, also comprise DSP embedded, said DSP embedded signal input part is connected with current sampling and overcurrent protection, cell voltage sampling, temperature sample circuit generator commutation voltage sample circuit unit respectively; Said generator is connected with generator commutation filtering output circuit, and said generator commutation filtering output circuit is connected with battery, generator commutation voltage sample circuit unit, power safety 1-5 respectively; Said DSP embedded signal output part is connected with H bridge driving circuit with engine start control circuit, engine prewarming control circuit, vehicle lighting control circuit, Vehicular turn lamp control circuit, vehicular meter and loudspeaker power control circuit respectively; Said engine start control circuit, engine prewarming control circuit, vehicle lighting control circuit, Vehicular turn lamp control circuit and vehicular meter and loudspeaker power control circuit are connected with power safety 1-5 successively.
Comparatively perfect is, said battery is connected with primary power output control, DSP embedded logic power respectively, and said DSP embedded logic power is connected with DSP embedded; Said primary power output control is connected with H bridge driving circuit, and said H bridge driving circuit has field coil.
A kind of engineering truck electrical equipment of the utility model control system compared with prior art, has following advantage:
1, adopt the DSP embedded technology, it is high to the input signal acquisition precision, fast operation, and the output adjustment process time is short, and the response of control is quick; The control accuracy and the reliability of control system have been improved.
2, the core of system: generator excitation magnetic field regulatory function module, the PWM control technology that it adopts advanced PID to regulate software algorithm and DSP, its degree of regulation is high, and generator output voltage is stable.
3, unload suddenly when big electric appliance load appears in vehicle, the voltage of generator and battery dashes on occurring, and its output voltage (after the three phase rectifier filtering) is during respectively greater than 19V or 15V, and adjusting PWM value is to reduce the field coil electric current to weaken magnetic field; When current detection value near 0 the time, the field coil two ends apply reverse voltage fast, the rapid demagnetization of generator withdraws from generating state.Break through journey on the elimination output voltage, keep the stable of output voltage.
4, engineering truck electrical equipment control system has input voltage overvoltage, output overcurrent and overheat protector.And have power-on self-test protection power, when loop of power circuit was unusual, system cut off the input primary power automatically, with the protection control system.
Description of drawings
For the ease of it will be appreciated by those skilled in the art that utility model is further described below in conjunction with accompanying drawing.
Fig. 1 is the schematic diagram of the utility model.
Embodiment
See also Fig. 1; A kind of engineering truck electrical equipment control system; Have battery and generator, also comprise DSP embedded, the DSP embedded signal input part is connected with current sampling and overcurrent protection, cell voltage sampling, temperature sample circuit generator commutation voltage sample circuit unit respectively; Generator is connected with generator commutation filtering output circuit, and generator commutation filtering output circuit is connected with battery, generator commutation voltage sample circuit unit, power safety 1-5 respectively; The DSP embedded signal output part is connected with H bridge driving circuit with engine start control circuit, engine prewarming control circuit, vehicle lighting control circuit, Vehicular turn lamp control circuit, vehicular meter and loudspeaker power control circuit respectively; Engine start control circuit, engine prewarming control circuit, vehicle lighting control circuit, Vehicular turn lamp control circuit and vehicular meter and loudspeaker power control circuit are connected with power safety 1-5 successively.
In addition, battery is connected with primary power output control, DSP embedded logic power respectively, and the DSP embedded logic power is connected with DSP embedded; Primary power output control is connected with H bridge driving circuit, and H bridge driving circuit has field coil.
The performance index of the utility model engineering truck electrical equipment control system are:
Cell voltage: 12V DC
Generator output: 14V DC (± 10%)
Exciting current: 0-8A
Excitation system allows strong magnetic time: 10S
Transfer the difference scope: smaller or equal to ± 10%
Working temperature :-40 ℃-70 ℃
Radiating mode: natural heat dissipation.
Above content only is to be given an example and explanation to what the utility model structure did; Under the technician in present technique field described specific embodiment is made various modifications or replenish or adopt similar mode to substitute; Only otherwise depart from the design of utility model or surmount the defined scope of these claims, all should belong to the protection domain of the utility model.
Claims (2)
1. engineering truck electrical equipment control system; Have battery and generator; It is characterized in that, also comprise DSP embedded, said DSP embedded signal input part is connected with current sampling and overcurrent protection, cell voltage sampling, temperature sample circuit generator commutation voltage sample circuit unit respectively; Said generator is connected with generator commutation filtering output circuit, and said generator commutation filtering output circuit is connected with battery, generator commutation voltage sample circuit unit, power safety 1-5 respectively; Said DSP embedded signal output part is connected with H bridge driving circuit with engine start control circuit, engine prewarming control circuit, vehicle lighting control circuit, Vehicular turn lamp control circuit, vehicular meter and loudspeaker power control circuit respectively; Said engine start control circuit, engine prewarming control circuit, vehicle lighting control circuit, Vehicular turn lamp control circuit and vehicular meter and loudspeaker power control circuit are connected with power safety 1-5 successively.
2. a kind of engineering truck electrical equipment control system according to claim 1 is characterized in that, said battery is connected with primary power output control, DSP embedded logic power respectively, and said DSP embedded logic power is connected with DSP embedded; Said primary power output control is connected with H bridge driving circuit, and said H bridge driving circuit has field coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258076 CN202632021U (en) | 2012-06-02 | 2012-06-02 | Electric equipment control system for engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258076 CN202632021U (en) | 2012-06-02 | 2012-06-02 | Electric equipment control system for engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202632021U true CN202632021U (en) | 2012-12-26 |
Family
ID=47385199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220258076 Expired - Fee Related CN202632021U (en) | 2012-06-02 | 2012-06-02 | Electric equipment control system for engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202632021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673404A (en) * | 2012-06-02 | 2012-09-19 | 滁州市康达叉车零部件制造有限公司 | High-precision electrical appliance control system of engineering vehicle |
-
2012
- 2012-06-02 CN CN 201220258076 patent/CN202632021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673404A (en) * | 2012-06-02 | 2012-09-19 | 滁州市康达叉车零部件制造有限公司 | High-precision electrical appliance control system of engineering vehicle |
| CN102673404B (en) * | 2012-06-02 | 2015-11-25 | 滁州市康达叉车零部件制造有限公司 | High precision engineering truck electrical apparatus control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20200602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |