CN104932380B - The power supply real-time monitoring system and method for multi-mode multichannel - Google Patents
The power supply real-time monitoring system and method for multi-mode multichannel Download PDFInfo
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- CN104932380B CN104932380B CN201510348671.1A CN201510348671A CN104932380B CN 104932380 B CN104932380 B CN 104932380B CN 201510348671 A CN201510348671 A CN 201510348671A CN 104932380 B CN104932380 B CN 104932380B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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Abstract
The invention provides a kind of power supply real-time monitoring system of multi-mode multichannel, including：Multichannel analog signals processing function module (1), AD acquisition modules (2), digital signal processor (3), display screen (4), mode of operation and Protection parameters setup module (5), power interface control module (6), system power supply power module (7)；Multichannel analog signals processing function module (1) gathers and monitored the signal of different voltage channels, and the voltage signal of input is converted into data signal by AD acquisition modules (2)；Digital signal processor (3) will be sent to power interface control module (6) after the Digital Signal Processing of input；Mode of operation and Protection parameters setup module (5) can be used in switching different mode of operations, and set the Protection parameters numerical value of power supply；System power supply power module (7) provides required dc source to system.Present invention also offers a kind of power supply method for real-time monitoring of multi-mode multichannel.
Description
Technical field
The present invention relates to automation control area, in particular it relates to the power supply real-time monitoring system of multi-mode multichannel and
Method.
Background technology
The safety of one circuit system is from many aspects, but power safety is all safe foundation stones.Will in quality
Higher and higher today is asked, power supply can be monitored and controlled in real time, it will the safety to whole circuit system is played
Vital effect.In addition the voltage and current signal monitored is monitored in real time in some production processes, and right
The parameter monitored is preserved.Turned off for claimed monitoring power supply when waiting the processing to operate, it is necessary to a power supply
Real-time inspection and control system aids in control.Thus the present invention wants the design preferable power supply real-time inspection and control of one versatility
System, the control module that system is had by oneself in addition can reduce the potential safety hazard that the input of manpower and manual operation are brought.
Because existing some electric source monitoring circuits on the market are concentrated mainly on single channel or multichannel power supply monitoring, such as
Some electric source monitoring circuits monitored to rechargable power supplies charging process；The power supply monitoring electricity that also a few thing pattern is fixed
Road, the electric source monitoring circuit as entering row of channels control to power channel timing, the electricity of function is preserved to power parameter timing acquiring
Source observation circuit, the electric source monitoring circuit turned off during Protection parameters is reached to power parameter.With some power supplys on the market
Monitor control system is compared, the quantity of the AD acquisition channels, i.e. analog signal processing channel module of power circuit system of the present invention
Up to 8 passages, and can also further increase as needed.The operator scheme of power supply of the present invention to being monitored has three kinds：
Timing is turned off or connected to the power channel of collection；To reaching that the power supply of setting Protection parameters turns off operation and handle
Power parameter during disconnection is shown on the display screen；Power parameter and time record only to the Protection parameters that reach setting is protected
In the presence of in a glue file, staff is waited to be admitted to parameter.The mode of operation of system and the Protection parameters of power supply can be with
Freely set by the mode of operation and Protection parameters setup module of system, add systematic difference flexibility.This is in addition
System can be applied not only to voltage to power supply, the monitoring and controlling of current parameters, for it is all be related to analog signal is carried out
The field of monitoring and control all has versatility, and the analog signal for needing to monitor need to be only converted to voltage or electricity by staff
Flow and the system is accessed after signal, it is then corresponding according to the analog signal protection value that corresponding conversion relation calculates monitoring
Voltage or current signal.
The content of the invention
For defect of the prior art, monitored in real time it is an object of the invention to provide a kind of power supply of multi-mode multichannel
System and method.
The power supply real-time monitoring system of the multi-mode multichannel provided according to the present invention, including：Multichannel analog signals processing
Functional module, AD acquisition modules, digital signal processor, display screen, mode of operation and Protection parameters setup module, power interface
Control module, system power supply power module；
- multichannel analog signals processing function the module, the letter for gathering and monitoring different voltage channels for power supply
Number；
- AD the acquisition modules, for the voltage signal of input to be converted into data signal；
- the digital signal processor, the data signal for handling input；
- the display screen, the power parameter that recorded when surveying power parameter and power supply generation exception for showing；
- the mode of operation and Protection parameters setup module, mould is latched for setting mode of operation in timing mode, single
Switching between formula, multi collect pattern these three patterns, and the Protection parameters numerical value of power supply is set；
- power interface the control module, for achieve a butt joint into power supply carry out break-make control；
- system power supply the power module, for providing dc source.
Preferably, the multichannel analog signals processing function module includes multiple voltage analog signal treatment channel modules,
Wherein described voltage analog signal treatment channel module includes：Voltage signal input interface, partial pressure and pressure limiting circuit, linear photoconductor
Isolation module, OP amplification circuit modules, pressure limited protection circuit module；It is defeated that different voltage range signals passes sequentially through voltage signal
Enter after incoming interface, partial pressure and pressure limiting circuit, linear photoelectric isolation module, OP amplification circuit modules, pressure limited protection circuit module
AD acquisition modules.
Preferably, the multichannel analog signals processing function module is configured with the voltage analog corresponding to eight voltage channels
Signal processing channel module；
This eight voltage channels include：Two low-voltage passages, the voltage range of collection is 0-30V；Two middle pressure passageway,
The voltage range of collection is 30-100V；One high voltage passage, the voltage range of collection is 100-150V；Three small-signal moulds
Intend signal processing channel, voltage acquisition scope is 0-15V；Three small signal simulation signal processing channels are used to gather power supply
The corresponding magnitude of voltage of current signal.
Preferably, the AD acquisition modules include：Acquisition chip, Voltage Reference chip, multi-channel analog input voltage signal
Corresponding data signal is converted into by acquisition chip, and digital signal processor is uploaded in SPI serial port communication modes；
The voltage of system power supply power module is supplied to acquisition chip by the Voltage Reference chip.
Preferably, the display screen includes：Screen display chips, when digital signal processor receives the electricity of each passage
Source parameter value is simultaneously exported to screen display chips after computing relatively by parallel data wire XD0-XD7；It is simultaneously described
Screen display chips also carry out display control by digital signal processor by read-write control line Rd_cnl.
Preferably, the mode of operation and Protection parameters setup module include：Timing mode setup module, single latch mould
Formula setup module, multi collect pattern setup module, channel selecting module, parameter setting and confirmation module and path protection
Parameter setting module；Wherein described parameter setting module is included：Parameter is incremented by setup module and parameter and successively decreased setup module；It is described
All modules of mode of operation and Protection parameters setup module can pass through low and high level with the interface of digital signal processor
The mode of start pulse signal electronic component is connected.
Preferably, the power interface control module includes：Relay drive circuit module, auto-instauration fuse protection circuit
Module, relay；Wherein described relay drive circuit module can be set according to mode of operation and Protection parameters setup module
Power supply Protection parameters numerical value driving Control access power supply break-make；The auto-instauration fuse protection circuit module is used
In protection power interface control module.
Preferably, the system power supply power module includes：5V, 12V the first Power convert mould are exported for inputting 48V
Block and the second source modular converter that 1.8V, 3.3V are exported for inputting 5V；Wherein 12V power supplys are used to be powered at relay driving
OP amplification circuit modules in circuit module in power amplifier chips and analog signal processing channel module；1.8V power supplys, 3.3V electricity
Source is used for the power supply of digital signal processor；And the system power supply power module power input using resettable fuse every
From.
A kind of power supply method for real-time monitoring of multi-mode multichannel, comprises the following steps：
Step 1：The mode of operation parameter of mode of operation and Protection parameters setup module is detected after energization, according to different works
Operation mode is initialized to display screen；The mode of operation and Protection parameters setup module, for setting mode of operation fixed
When pattern, single latch mode, the switching between multi collect pattern these three patterns, and the Protection parameters number of power supply is set
Value；
Step 2：Prompting operating personnel carry out the Protection parameters setting of respective channel on a display screen；
Step 3：After the Protection parameters that operating personnel complete passage are set, into detection circulation process, and according to corresponding
Mode of operation starting relay action.
Preferably, the step 3 includes：
- when in timing mode, often undergoing the on off operating mode of the time relay once set can occur once to change,
I.e. acquisition channel is timed break-make circulation；
- when in single latch mode, whether the supply voltage or current value of collection are monitored in mode of operation and guarantor
Protect in the range of the parameter protection set by parameter setting module；If not in the range of, the power supply of Control respective channel
Passage is disconnected, and power parameter this moment is shown on the display screen, is simultaneously emitted by alerting buzzer；If in the range of,
Continue cycling through testing process；
- when in multi collect pattern, whether the supply voltage or current value of collection are monitored in mode of operation and guarantor
Protect in the range of the parameter protection set by parameter setting module；If not in the range of, will this moment corresponding power parameter and
Time, which is stored in corresponding document, waits staff to read；If in the range of, the corresponding passage of relay driving disconnects, and
Into cycle detection flow next time.
Compared with prior art, the present invention has following beneficial effect：
1st, the Protection parameters of system that the present invention is provided can manually be set so that having wide range of applications for the system and it is clever
It is living.
2nd, present invention employs linear photoconductor coupling technique, the signal detected is hidden without safety to whole circuit system
Suffer from, therefore can be applied to research fields such as sound, photo-thermal, only surveyed analog signal need to be converted to voltage or electric current
Signal accesses the system.
3rd, the present invention reduces research and production cost by reducing repeatability design, and the modularized design of system is given
Maintenance is brought conveniently.
4th, present system is simple in construction, using large scale integrated chip (LSI chip), simplifies system design, and improve system can
Maintainability.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
The power supply real-time monitoring system structural representation for the multi-mode multichannel that Fig. 1 provides for the present invention；
The power supply method for real-time monitoring schematic flow sheet for the multi-mode multichannel that Fig. 2 provides for the present invention；
The power supply real-time monitoring system analog signal processing passage signal for the multi-mode multichannel that Fig. 3 provides for the present invention
Figure；
The power supply real-time monitoring system AD acquisition module schematic diagrames for the multi-mode multichannel that Fig. 4 provides for the present invention；
The power supply real-time monitoring system power interface control module signal for the multi-mode multichannel that Fig. 5 provides for the present invention
Figure；
The power supply real-time monitoring system display screen operating diagram for the multi-mode multichannel that Fig. 6 provides for the present invention；
The power supply real-time monitoring system power supply module diagram for the multi-mode multichannel that Fig. 7 provides for the present invention；
The power supply real-time monitoring system mode of operation and Protection parameters for the multi-mode multichannel that Fig. 8 provides for the present invention are set
Module diagram.
In figure：
1- multichannel analog signals processing function modules；2-AD acquisition modules；
3- digital signal processors；4- display screens；
5- mode of operations and Protection parameters setup module；6- power interface control modules；
7- system power supply power modules；8- Voltage Reference chips；
9- multi-channel analog input voltage signals；10- relay drive circuit modules；
11- auto-instauration fuse protection circuit modules；12- relays；
13- screen display chips；14- voltage signal input interfaces；
15- partial pressures and pressure limiting circuit；16- linear photoelectric isolation modules；
17-OP amplification circuit modules；18- pressure limited protection circuit modules；
19- input 48V output 5V, 12V power modules；20- input 5V output 1.8V, 3.3V power modules；
21- timing mode setup modules；22- single latch mode setup modules；
23- multi collect pattern setup modules；24- channel selecting modules；
25- parameter settings and confirmation module；26- path protection parameter setting modules；
27- parameters are incremented by setup module；28- parameters are successively decreased setup module.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
The power supply real-time monitoring system of the multi-mode multichannel provided according to the present invention, including：Multichannel analog signals processing
Functional module 1, AD acquisition modules 2, digital signal processor 3, display screen 4, mode of operation and Protection parameters setup module 5, electricity
Source interface control module 6, system power supply power module 7；
- multichannel analog signals processing function the module 1, the letter for gathering and monitoring different voltage channels for power supply
Number；
- AD the acquisition modules 2, for the voltage signal of input to be converted into data signal；
- the digital signal processor 3, the data signal for handling input；
- the display screen 4, the power parameter that recorded when surveying power parameter and power supply generation exception for showing；
- the mode of operation and Protection parameters setup module 5, for setting mode of operation to be latched in timing mode, single
Switching between pattern, multi collect pattern these three patterns, and the Protection parameters numerical value of power supply is set；
- power interface the control module 6, for achieve a butt joint into power supply carry out break-make control；
- system power supply the power module 7, for providing dc source.
Specifically, as shown in figure 1, passing through being fixedly installed to multichannel analog signals processing function module 1, it is possible to achieve right
Light current pressure passageway (0-15V changes corresponding voltage parameter for monitoring source current), low-voltage (0-30V), middle voltage (30-
100V), the voltage range of four scopes of high voltage (100-150V) carries out signal acquisition.Using the AD acquisition modules of high resolution
2 can realize the accurate setting and detection to power parameter；Display screen 4 can show that surveyed power parameter and power supply occur not just
The power parameter recorded when often；Mode of operation and Protection parameters setup module 5 can set system to be cut in three kinds of mode of operations
Change and set the Protection parameters numerical value of power supply；Break-make control can be carried out to the power supply of access by power interface control module 6
System；System power supply power module 7 is 5V, 12V dc source needed for system provides chip.System is also pre- for some very users
Stay some control ports so that user can further extension system function.
Preferably, the multichannel analog signals processing function module 1 is configured with the voltage-mode corresponding to eight voltage channels
Intend signal processing channel module；
This eight voltage channels include：Two low-voltage passages, the voltage range of collection is 0-30V；Two middle pressure passageway,
The voltage range of collection is 30-100V；One high voltage passage, the voltage range of collection is 100-150V；Three small-signal moulds
Intend signal processing channel, voltage acquisition scope is 0-15V；Three small signal simulation signal processing channels are used to gather power supply
The corresponding magnitude of voltage of current signal.
Preferably, the AD acquisition modules 2 include：Acquisition chip, Voltage Reference chip 8, multi-channel analog input voltage letter
Numbers 9 are converted into corresponding data signal by acquisition chip, and are uploaded to Digital Signal Processing in SPI serial port communication modes
Device 3；The voltage of system power supply power module 7 is supplied to acquisition chip by the Voltage Reference chip 8.
Preferably, the AD acquisition modules 2 include：Acquisition chip, Voltage Reference chip 8, multi-channel analog input voltage letter
Numbers 9 are converted into corresponding data signal by acquisition chip, and are uploaded to Digital Signal Processing in SPI serial port communication modes
Device 3；The voltage of system power supply power module 7 is supplied to acquisition chip by the Voltage Reference chip 8.
Specifically, in order to reduce the I/O port of digital signal processor 3, thus SPI serial interface communication patterns are used, this
In also can using parallel wait other interface communication patterns.
Preferably, the display screen 4 includes：Screen display chips 13, when digital signal processor 3 receives each passage
Power parameter value and by computing relatively after exported by parallel data wire XD0-XD7 to screen display chips 13；Together
Shi Suoshu screen display chips 13 also carry out display control by digital signal processor 3 by read-write control line Rd_cnl.
Specifically, because system does not have substantial amounts of digital operation program.Thus digital signal processor 3 can from DSP,
The embedded chips such as FPGA, single-chip microcomputer.
Preferably, the mode of operation and Protection parameters setup module 5 include：Timing mode setup module 21, single lock
Deposit pattern setup module 22, multi collect pattern setup module 23, channel selecting module 24, parameter setting and confirm module 25,
And path protection parameter setting module 26；Wherein described parameter setting module 26 is included：Parameter is incremented by setup module 27 and ginseng
Count setup module 28 of successively decreasing；All modules of the mode of operation and Protection parameters setup module 5 can with data signal
The interface for managing device 3 is connected by way of low and high level start pulse signal electronic component.
Preferably, the power interface control module 6 includes：Relay drive circuit module 10, auto-instauration fuse protection
Circuit module 11, relay 12；Wherein described relay drive circuit module 10 can be set according to mode of operation and Protection parameters
Put the break-make of the Protection parameters numerical value driving control access power supply of relay 12 of the power supply of the setting of module 5；The auto-instauration fuse
Protection circuit module 11 is used to protect power interface control module 6.
Preferably, the system power supply power module 7 includes：5V, 12V the first Power convert are exported for inputting 48V
Module 19 and the second source modular converter 20 that 1.8V, 3.3V are exported for inputting 5V；Wherein 12V power supplys are used to be powered at relay
OP amplification circuit modules 17 in device drive circuit module 10 in power amplifier chips and analog signal processing channel module；1.8V it is electric
Source, 3.3V power supplys are used for the power supply of digital signal processor 3；And the power input of system power supply power module 7 is used certainly
Recover fuse isolation.
A kind of power supply method for real-time monitoring of multi-mode multichannel, comprises the following steps：
Step 1：The mode of operation parameter of mode of operation and Protection parameters setup module 5 is detected after energization, according to different
Mode of operation is initialized to display screen；The mode of operation and Protection parameters setup module 5, for setting mode of operation to exist
Switching between timing mode, single latch mode, multi collect pattern these three patterns, and the Protection parameters number of power supply is set
Value；
Step 2：Prompting operating personnel carry out the Protection parameters setting of respective channel on a display screen；
Step 3：After the Protection parameters that operating personnel complete passage are set, into detection circulation process, and according to corresponding
Mode of operation starting relay action.
Preferably, the step 3 includes：
- when in timing mode, often undergoing the on off operating mode of the time relay once set can occur once to change,
I.e. acquisition channel is timed break-make circulation；
- when in single latch mode, whether the supply voltage or current value of collection are monitored in mode of operation and guarantor
Protect in the range of the parameter protection set by parameter setting module 5；If not in the range of, the power supply of Control respective channel
Passage is disconnected, and power parameter this moment is shown on the display screen, is simultaneously emitted by alerting buzzer；If in the range of,
Continue cycling through testing process；
- when in multi collect pattern, whether the supply voltage or current value of collection are monitored in mode of operation and guarantor
Protect in the range of the parameter protection set by parameter setting module 5；If not in the range of, will this moment corresponding power parameter and
Time, which is stored in corresponding document, waits staff to read；If in the range of, the corresponding passage of relay driving disconnects, and
Into cycle detection flow next time.
Specifically, as shown in Fig. 2 the power supply method for real-time monitoring of multi-mode multichannel sets three kinds of fixed Working moulds
Formula, is timing mode, single latch mode, multi collect pattern respectively.Timing mode refers to that one circulation time of setting causes
The working method of relay loop control input signal break-make；Single latch mode refers to when the input signal for detecting certain passage
Not in protection domain, power parameter value this moment is latched and shown on the display screen until system reset, passes through simultaneously
Relay disconnects the power supply signal input channel of this passage；Multi collect pattern refers to work as the input signal for detecting certain passage not
In protection domain, power parameter this moment and time value are stored in the file of setting, relay does not work.Except the above
Outside three kinds of set fixed modes, user can also design the system operating mode of oneself according to the requirement of oneself.System
System can detect the mode of operation parameter of mode of operation and Protection parameters setup module 5 first after being powered, according to different Working moulds
Formula is initialized to display screen, and the Protection parameters that then system can point out operating personnel to carry out respective channel are set, protection ginseng
Number is set to be completed by mode of operation and Protection parameters setup module 5.After arrangement above content is completed, system can enter to logical
In the cyclic process that road signal parameter is acquired and controlled.If system is operated in timing mode, often pass through what is once set
The on off operating mode of the time relay can occur once to change, and that is to say that acquisition channel carries out break-make circulation；If system is operated in
Single latch mode, when the supply voltage or current value of collection be not in protection domain, relay can make the power supply of respective channel
Passage disconnects and shows power parameter this moment on the display screen, and the buzzer that gives a warning.When system is operated in repeatedly
Drainage pattern is, when the supply voltage or current parameters gathered be not within protection domain, by this moment for electricity
Source parameter and time, which are stored in corresponding document, waits staff to read.
Further, using be applied to the torpedo alert sonar green end Function detection and control device of certain domestic model as
Example, system is mainly completed powers and monitoring that terminal box is powered and display function to green end.
Wherein technical requirements are as follows：
A) powers display：Show that green end is powered the parameter powered with terminal box by liquid crystal display；
B) power supply monitorings：Detection green end is powered the Current Voltage value powered with terminal box, with over-current over-voltage protection work(
Energy；
C) power parameters to be detected include：
Passage 1：120V ± 9V, protection voltage 140V；
Passage 2：Protective current 3.5A；
Passage 3：+ 30V ± 5V, protection voltage+40V；
Passage 4：Protective current 3.5A；
Passage 5：- 30V ± 5V, protection voltage -40V；
Passage 6：Protective current 3.5A；
Passage 7：Feedback voltage+8V ± 5V under water；
Passage 8：Feedback voltage -8V ± 5V under water.
Design system scheme is as follows：
By the TMS320F2812PGFA of the model TI companies of digital signal processor 3；Model Beijing of display screen 4
The LCM3202404 of high official position company；The model XPPower JCP4048T0512 of system power supply power module 7；The system power supply
Power module 7 realizes 48V and is converted to 5V, 12V, and 1.8V, 3.3V electricity can be converted into after TPS73HD318 modules
Pressure, and provide voltage for System on Chip/SoC；The model EPSON D1370000A1 of screen display chips 13；The screen display core
Piece 13 can realize self-defined display interface or Overlapping display, the screen display with control character and the Multi-level display of figure
Chip 13 uses 320 × 240 lattice displays, and numeral and Chinese character, cursor and character adding can be shown simultaneously.When output abnormality is
Record and the abnormal numerical value that fixes.AD acquisition modules select the SAD7656MQ chips of 16.Linear light thermocouple isolation module 16 is used
OP484 is used along the chip of ISOEM U2-P2-05-T, the OP amplification circuit module 17 of source company.
When upper electric, DSP is initialized to liquid crystal display first, draws background interface, then circulation carry out AD samplings, it is aobvious
Show that sampled value is preserved and exported.The system is monitored protection to voltage x current, by realtime curve on the display screen 4, when
System disconnects protection automatically when overvoltage, over-current phenomenon avoidance occur for power parameter, and protection numerical value is locked and recorded in display screen 4
On.The voltage x current state value of each passage input after the processing of analog signal processing channel module, sampled by AD and incite somebody to action
AD sampled values are sent into DSP and calculated, while the display of DSP control display screens 4, when one or more output generation is abnormal over-pressed
Overcurrent condition occurs, DSP control relay output actions, block system relay, and output is protected.
One skilled in the art will appreciate that except realizing the system that the present invention is provided in pure computer readable program code mode
And its beyond each device, can be caused completely by the way that method and step is carried out into programming in logic the system that provides of the present invention and its
Each device is in the form of gate, switch, application specific integrated circuit, programmable logic controller (PLC) and embedded microcontroller etc.
To realize identical function.So, the system and its every device that the present invention is provided are considered a kind of hardware component, and right
The device for realizing various functions included in it can also be considered as the structure in hardware component；It will can also be used to realize respectively
The device of kind of function, which is considered as, not only can be the software module of implementation method but also can be the structure in hardware component.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of power supply real-time monitoring system of multi-mode multichannel, it is characterised in that including：Multichannel analog signals processing function
Module (1), AD acquisition modules (2), digital signal processor (3), display screen (4), mode of operation and Protection parameters setup module
(5), power interface control module (6), system power supply power module (7)；
- multichannel analog signals processing function the module (1), the letter for gathering and monitoring different voltage channels for power supply
Number；The multichannel analog signals processing function module (1) includes multiple voltage analog signal treatment channel modules, wherein the electricity
Pressing mold, which intends signal processing channel module, to be included：Voltage signal input interface (14), partial pressure and pressure limiting circuit (15), linear photoconductor every
From module (16), OP amplification circuit modules (17), pressure limited protection circuit module (18)；
- AD the acquisition modules (2), for the voltage signal of input to be converted into data signal；
- the digital signal processor (3), the data signal for handling input；
- the display screen (4), the power parameter that recorded when surveying power parameter and power supply generation exception for showing；
- the mode of operation and Protection parameters setup module (5), mould is latched for setting mode of operation in timing mode, single
Switching between formula, multi collect pattern these three patterns, and the Protection parameters numerical value of power supply is set；
- power interface the control module (6), for achieve a butt joint into power supply carry out break-make control；
- system power supply the power module (7), for providing dc source.
2. the power supply real-time monitoring system of multi-mode multichannel according to claim 1, it is characterised in that different voltage
Range signal pass sequentially through voltage signal input interface (14), partial pressure and pressure limiting circuit (15), linear photoelectric isolation module (16),
OP amplification circuit modules (17), pressure limited protection circuit module (18) enter AD acquisition modules (2) afterwards.
3. the power supply real-time monitoring system of multi-mode multichannel according to claim 2, it is characterised in that the multichannel mould
Plan signal processing function module (1) is configured with the voltage analog signal treatment channel module corresponding to eight voltage channels；
This eight voltage channels include：Two low-voltage passages, the voltage range of collection is 0-30V；Two middle pressure passageway, collection
Voltage range be 30-100V；One high voltage passage, the voltage range of collection is 100-150V；Three small signal simulation letters
Number treatment channel, voltage acquisition scope is 0-15V；Three small signal simulation signal processing channels are used for the electricity for gathering power supply
Flow the corresponding magnitude of voltage of signal.
4. the power supply real-time monitoring system of multi-mode multichannel according to claim 1, it is characterised in that the AD collections
Module (2) includes：Acquisition chip, Voltage Reference chip (8), multi-channel analog input voltage signal (9) are changed by acquisition chip
Digital signal processor (3) is uploaded into corresponding data signal, and in SPI serial port communication modes；The Voltage Reference
The voltage of system power supply power module (7) is supplied to acquisition chip by chip (8).
5. the power supply real-time monitoring system of multi-mode multichannel according to claim 1, it is characterised in that the display screen
(4) include：Screen display chips (13), when digital signal processor (3) receives the power parameter value of each passage and passes through
Exported after computing relatively by parallel data wire XD0-XD7 and give screen display chips (13)；While the screen display core
Piece (13) also carries out display control by digital signal processor (3) by read-write control line Rd_cnl.
6. the power supply real-time monitoring system of multi-mode multichannel according to claim 1, it is characterised in that the Working mould
Formula and Protection parameters setup module (5) include：It is timing mode setup module (21), single latch mode setup module (22), many
Secondary drainage pattern setup module (23), channel selecting module (24), parameter setting and confirmation module (25) and path protection ginseng
Number setup module (26)；Wherein described parameter setting module (26) includes：The incremental setup module (27) of parameter and parameter, which are successively decreased, to be set
Put module (28)；All modules of the mode of operation and Protection parameters setup module (5) can be with digital signal processor
(3) interface is connected by way of low and high level start pulse signal electronic component.
7. the power supply real-time monitoring system of multi-mode multichannel according to claim 1, it is characterised in that the power supply connects
Mouth control module (6) includes：Relay drive circuit module (10), auto-instauration fuse protection circuit module (11), relay
(12)；Wherein described relay drive circuit module (10) can be set according to mode of operation and Protection parameters setup module (5)
Power supply Protection parameters numerical value driving relay (12) control access power supply break-make；The auto-instauration fuse protection circuit mould
Block (11) is used to protect power interface control module (6).
8. the power supply real-time monitoring system of multi-mode multichannel according to claim 1, it is characterised in that the system is supplied
Power supply module (7) includes：For inputting 48V outputs 5V, 12V the first power transfer module (19) and for inputting 5V outputs
1.8V, 3.3V second source modular converter (20)；Wherein 12V power supplys are used to be powered in relay drive circuit module (10)
OP amplification circuit modules (17) in power amplifier chips and analog signal processing channel module；1.8V power supplys, 3.3V power supplys are used for
The power supply of digital signal processor (3)；And system power supply power module (7) power input using resettable fuse every
From.
9. a kind of power supply method for real-time monitoring of multi-mode multichannel, it is characterised in that comprise the following steps：
Step 1：The mode of operation parameter of mode of operation and Protection parameters setup module (5) is detected after energization, according to different works
Operation mode is initialized to display screen；The mode of operation and Protection parameters setup module (5), for setting mode of operation to exist
Switching between timing mode, single latch mode, multi collect pattern these three patterns, and the Protection parameters number of power supply is set
Value；
Step 2：Prompting operating personnel carry out the Protection parameters setting of respective channel on a display screen；
Step 3：After the Protection parameters that operating personnel complete passage are set, into detection circulation process, and according to corresponding work
Operation mode starting relay is acted.
10. the power supply method for real-time monitoring of multi-mode multichannel according to claim 9, it is characterised in that the step 3
Including：
- when in timing mode, often undergoing the on off operating mode of the time relay once set can occur once to change, that is, adopt
Collection passage is timed break-make circulation；
- when in single latch mode, whether the supply voltage or current value of collection are monitored in mode of operation and protection ginseng
In the range of parameter protection set by number setup module (5)；If not in the range of, the power supply of Control respective channel leads to
Road is disconnected, and power parameter this moment is shown on the display screen, is simultaneously emitted by alerting buzzer；If in the range of, after
Continuous cycle detection flow；
- when in multi collect pattern, whether the supply voltage or current value of collection are monitored in mode of operation and protection ginseng
In the range of parameter protection set by number setup module (5)；If not in the range of, will this moment corresponding power parameter with timely
Between be stored in corresponding document wait staff read；If in the range of, the corresponding passage of relay driving disconnects, and goes forward side by side
Enter cycle detection flow next time.
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