CN201956739U - Control module for emergency power supply equipment - Google Patents
Control module for emergency power supply equipment Download PDFInfo
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- CN201956739U CN201956739U CN2010206888574U CN201020688857U CN201956739U CN 201956739 U CN201956739 U CN 201956739U CN 2010206888574 U CN2010206888574 U CN 2010206888574U CN 201020688857 U CN201020688857 U CN 201020688857U CN 201956739 U CN201956739 U CN 201956739U
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- control module
- dsp chip
- emergency power
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Abstract
The utility model relates to a control module for emergency power supply equipment, which comprises a sampling circuit and is characterized by comprising a DSP (Digital Signal Processor) chip and a drive circuit, wherein the sampling circuit is connected with the DSP chip; the DSP chip is connected with the drive circuit; and the drive circuit is connected with an IPM (Intelligent Power Module). The control module for the emergency power supply equipment provided by the utility model has the advantages that the real-time control capacity is super strong, various states can be correspondingly regulated and controlled within a short millisecond stage time, the circuit is greatly simplified at the same time, the reliability of the entire equipment is improved, the cost is lowered, and the system intellectualization is realized.
Description
Technical field
The utility model relates to the fire-fighting emergency power supply field, particularly the control module of emergency power plant EPS.
Background technology
The most control system of existing emergency power plant EPS is made of integrated circuits such as single-chip microcomputer, A/D translation circuit, latch, buffers, drive signal is provided by the PWM wave producer, thereby removing to drive the IPM power model through interface circuit, the drive signal that the PWM wave producer produces provides inverter, as shown in Figure 1 to supply load.Its operation principle is as follows: single-chip microcomputer at first carries out initialization and preset voltage waveform to the PWM wave producer, parameters such as voltage magnitude and electric current, frequency, and the three-phase voltage that D/A converting circuit will be imported respectively, export, output current, the actual sampling set-point of frequency is input to single-chip microcomputer.Carry out the computing of open loop, closed loop control algorithm and the detection of data processing modulus signal by single-chip microcomputer, and go to follow the tracks of parameters such as the former voltage that presets of PWM wave producer, electric current, frequency again after the processing such as the logic determines of defencive function.In case occur to enter the delay protection program circuit after the situations such as overload, overcurrent.In a single day single-chip microcomputer detects overcurrent or overvoltage, under-voltage signal, then turn-offs the drive signal of PWM wave producer output, thereby protection IPM power model or equipment are not damaged.
Single-chip microcomputer is to input, output voltage, and it is the Interrupt Process mode that the adjusting of output current, frequency is handled.After starting the A/D converter, need after several clock cycle, to change and could finish, singlechip CPU is taken the data that deposit in the inner ternary latch of A/D converter away, goes to follow the tracks of parameters such as the former voltage that presets of PWM wave producer, electric current, frequency again.Therefore, this kind control mode is handled various parameter sampled datas, and its arithmetic speed is fast inadequately, and the response time is longer, and is still perfect inadequately in actual applications, and some parameter can't be preset in the chip and goes.
Summary of the invention
Technical problem to be solved in the utility model is the shortcoming that overcomes prior art, and a kind of EPS control module is provided.
For solving the problems of the technologies described above, the utility model provides a kind of brand-new EPS control module, comprise sample circuit, it is characterized in that, also comprise the Digital Signal Processing dsp chip, drive circuit, described sample circuit connects described dsp chip, dsp chip connects described drive circuit, and described drive circuit connects the IPM power model.
Described dsp chip also connects host computer by telecommunication cable.
Beneficial effect:, can preset multiple parameter because dsp chip has very big memory size.Therefore when program is provided with in advance with amplitude, frequency, the phase place of input voltage, output voltage amplitude, frequency, phase place, the various preset parameters of output current value are in dsp chip.And the instantaneous value of various analog signals behind sample circuit is input to dsp chip, and dsp chip is inner after handling with preset value comparison and data block speed, a stable drive signal is provided for the IPM module through interface circuit again.Thereby the IPM module is always worked in the normal zone, provide a stable inverter to power load.
Because dsp chip has superpower real-time control ability, can in the extremely short time, (ms level) can make corresponding regulation and control to various states.Simultaneously simplified circuit greatly, also improved whole aircraft reliability, reduced cost again and realized system intelligent.
Description of drawings
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is further described in detail.
Fig. 1 is existing EPS control control module.
Fig. 2 is an EPS control control module of the present utility model.
Embodiment
As shown in Figure 2, this embodiment changes original Single-chip Controlling scheme into full digital DSP controlling schemes, the i.e. TMS320F2812 dsp chip of producing by the TI company Single Chip Microcomputer (SCM) system of replacing original a plurality of chips, TMS320F2812 is the high-speed dsp chip of 32 of a slices, what it adopted is high-performance COMS technology, and adopt and breathe out not bus structures and hardware multiplier compute mode, make and carry out arithmetic speed that promptly per second can be carried out 4,000 ten thousand instructions up to 40MIPS.Can make controller when having integrated circuit intrinsic anti-interference and normalization advantage, also have extremely strong real-time control ability as analog circuit, also have outstanding rank simultaneously and get over disposal ability, the sudden change that reaches load is got on paroxysmal input rank, can in time discern processing.This has just been avoided expendable maintenance action, especially at inductive load.
Because dsp chip has very big memory size, can preset multiple parameter.Therefore when program is provided with in advance with amplitude, frequency, the phase place of input voltage, output voltage amplitude, frequency, phase place, output current value various preset parameters such as (according to the load class values of establishing) are in chip.And the instantaneous value of various analog signals behind sample circuit is input to dsp chip, and dsp chip is inner after handling with preset value comparison and data block speed, a stable drive signal is provided for the IPM module through interface circuit again.Thereby the IPM module is always worked in the normal zone, provide a stable inverter to power load.This has just simplified circuit greatly, has also improved whole aircraft reliability, has reduced cost again and has realized system intelligent.
Simultaneously, because dsp chip has superpower real-time control ability, can in the extremely short time, (ms level) can make corresponding regulation and control to following various states.
1. overload when overcurrent (or) occurs when load, after in a single day dsp chip detects this signal, can in time regulate and control drive signal or close drive signal, thereby keep module not to be damaged.Send sound, light warning simultaneously.
When output frequency depart from setting then dsp chip in time adjust the pulsewidth width output frequency be controlled in the prescribed limit.
When the under-voltage or overvoltage of input line voltage then DSP to be judged as civil power undesired, start emergent inversion program immediately, continue to provide inverter to supply load.When the city power recovery just often, DSP can be transformed into normal working procedure again automatically, supply load is by mains-supplied.
4. three-phase output emergency power supply is if give three-phase input load power devices, and any phase phase shortage of its output then DSP judges that output is undesired.The threephase load loop stops output automatically, and sends sound, light failure alarm signal.Automatically restore to normal operating conditions after the trouble shooting.
5. DSP can be provided with manually and automatic two kinds of state of a controls, can preferentially insert manual control under automatic control state, and under manual state of a control, available password or key are transformed into automatic control state.
Moreover the relevant data among the DSP can show following information by LCDs: input voltage and output voltage, output current, main electric work state, standby mode of operation, charged state, battery voltage.
DSP has superpower distinguishing ability, and energy is the failure judgement type accurately, and sends sound, light warning by control circuit, and voice signal can manually be eliminated.When new fault, the knocking noise signal can start once more.The fault light signal can continue to keep before fault is not got rid of.
The utility model has been applied in the EPS product of batch process, and the performance of its product, reliability, usability all are better than the Single-chip Controlling scheme, and can realize various control function and remote monitoring.Its product satisfies every requirement of defined among the GB16806 fully, and detects affirmation through NFA authentication checks center.The plurality of specifications product has obtained the 3C certificate.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (2)
1. the control module of an emergency power plant comprises sample circuit, it is characterized in that, also comprise the Digital Signal Processing dsp chip, drive circuit, described sample circuit connects described dsp chip, dsp chip connects described drive circuit, and described drive circuit connects the IPM power model.
2. the control module of emergency power plant according to claim 1 is characterized in that, described dsp chip also connects host computer by telecommunication cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206888574U CN201956739U (en) | 2010-12-30 | 2010-12-30 | Control module for emergency power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206888574U CN201956739U (en) | 2010-12-30 | 2010-12-30 | Control module for emergency power supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956739U true CN201956739U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206888574U Expired - Fee Related CN201956739U (en) | 2010-12-30 | 2010-12-30 | Control module for emergency power supply equipment |
Country Status (1)
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| CN (1) | CN201956739U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997116A (en) * | 2014-02-18 | 2014-08-20 | 重庆荣凯川仪仪表有限公司 | Emergency power supply control system based on DSP (Digital Signal Processor), and control method |
| CN107145123A (en) * | 2017-05-27 | 2017-09-08 | 国网山东省电力公司栖霞市供电公司 | Low profile photovoltaic, which generates electricity, protects electric power system |
| CN107145107A (en) * | 2017-06-01 | 2017-09-08 | 合肥尚强电气科技有限公司 | A kind of control circuit of emergency power plant |
| CN108170132A (en) * | 2018-01-09 | 2018-06-15 | 电子科技大学成都学院 | A kind of modularization EPS devices and its bus processing method based on universal serial bus |
-
2010
- 2010-12-30 CN CN2010206888574U patent/CN201956739U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997116A (en) * | 2014-02-18 | 2014-08-20 | 重庆荣凯川仪仪表有限公司 | Emergency power supply control system based on DSP (Digital Signal Processor), and control method |
| CN107145123A (en) * | 2017-05-27 | 2017-09-08 | 国网山东省电力公司栖霞市供电公司 | Low profile photovoltaic, which generates electricity, protects electric power system |
| CN107145107A (en) * | 2017-06-01 | 2017-09-08 | 合肥尚强电气科技有限公司 | A kind of control circuit of emergency power plant |
| CN108170132A (en) * | 2018-01-09 | 2018-06-15 | 电子科技大学成都学院 | A kind of modularization EPS devices and its bus processing method based on universal serial bus |
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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: 20110831 Termination date: 20131230 |