CN207408502U - Monitor and high-frequency switching power supply module based on communication power supply - Google Patents
Monitor and high-frequency switching power supply module based on communication power supply Download PDFInfo
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- CN207408502U CN207408502U CN201720993227.XU CN201720993227U CN207408502U CN 207408502 U CN207408502 U CN 207408502U CN 201720993227 U CN201720993227 U CN 201720993227U CN 207408502 U CN207408502 U CN 207408502U
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Abstract
The utility model provides monitor and high-frequency switching power supply module based on communication power supply, monitor microprocessor, storage chip and monitoring modular；Storage chip is connected with microprocessor, for the customized information of acquisition to be stored, and sends it to microprocessor；Monitoring modular is connected with microprocessor, obtains status monitoring information for carrying out status monitoring to power grid, power supply and load, and sends it to microprocessor；Microprocessor is used to judge whether power grid, power supply and the state of load are safe according to status monitoring information, and sends a warning message under unsafe condition to alarm device.High-frequency switching power supply module includes several rectification modules, and rectification module includes converter, driver, pulse-width modulation circuit and comparison amplifier.The utility model can ensure effective monitoring to the power supply system for communications, and inputting multiple-channel output by multichannel improves reliability, improves power density using the mode of integrated power supply, makes power module small portable.
Description
Technical field
The utility model is related to communication power supply technical fields, are opened more particularly, to the monitor based on communication power supply and high frequency
Powered-down source module.
Background technology
The power supply system for communications is the heart of communication system, reliable and stable communication power supply electric power system, is to ensure communication system
It unites the key of safe and reliable operation, once power supply system for communications failure causes the power failure to communication equipment, communication equipment is just
It can not run, telecommunication circuit interruption, communication system paralysis be will result in, so as to which great economic and social benefit be caused to lose.
Therefore, the power supply system for communications occupies highly important position in a communications system.
The prior art, which is difficult to ensure that, effectively monitors the power supply system for communications, and power module is not light, power
Density is low.
Utility model content
In view of this, the purpose of this utility model is to provide the monitors based on communication power supply and high frequency switch power mould
Block, it is ensured that effective monitoring to the power supply system for communications, and multiple-channel output is inputted by multichannel and improves reliability, utilize collection
Mode into power supply improves power density, makes power module small portable.
In a first aspect, the utility model embodiment provides the monitor based on communication power supply, including microprocessor, storage core
Piece and monitoring modular；
The storage chip is connected with the microprocessor, for the customized information got to be deposited
Storage, and the customized information is sent to the microprocessor；
The monitoring modular is connected with the microprocessor, is obtained for carrying out status monitoring to power grid, power supply and load
The microprocessor is sent to status monitoring information, and by the status monitoring information；
The microprocessor, is connected with alarm device, for judging the power grid, institute according to the status monitoring information
It whether safe states the state of power supply and the load, and sends a warning message under unsafe condition to the alarm device.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the monitoring modular includes power network monitoring module, battery detection module, load detecting module and system monitoring module；
The power network monitoring module, is connected by current transformer and voltage transformer with the power grid, for measuring
Network voltage, electric current and phase angle obtain power grid state information, and the power grid state information is sent to the microprocessor；
The battery detection module, is connected with communication power supply, for battery temperature, electric current measures to obtain electricity
Pond status information, and the battery status information is sent to the microprocessor；
The load monitoring module, is connected with load contacts, is carried out for pair load current being connected with the power supply
Measurement obtains load state information, and the load state information is sent to the microprocessor；
The system monitoring module, the voltage and current for measuring the power supply system for communications obtain system status information, and
The system status information is sent to the microprocessor.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, further include toggle switch and CAN interface；
The toggle switch is connected with the microprocessor, for setting the ID in the CAN bus of the monitor
Location；
The CAN interface is connected with the microprocessor, for passing through the CAN bus and HF switch electricity
Rectification module in source module is communicated.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein, further include USB serial ports, be connected with the microprocessor, for other computers into
Row communicates to carry out local operation.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein, the battery detection module further includes battery block measuring appliance, midpoint measuring appliance and double midpoints
Measuring appliance；
The battery block measuring appliance, for detecting each cell block voltage；
The midpoint measuring appliance, for detecting the midpoint of each battery strings to the voltage of end；
Double midpoint measuring appliances, for detecting the midpoint of battery strings to the voltage at both ends.
Second aspect, the utility model embodiment provides the high-frequency switching power supply module based on communication power supply, including several
Rectification module, wherein, the rectification module includes converter, driver, pulse-width modulation circuit and comparison amplifier；
The converter, is connected respectively with power grid and load, and the multichannel first voltage for power grid to be accessed is converted to
Multichannel second voltage exports to carry out voltage conversion；
The comparison amplifier is connected by sample circuit with the load, for detecting the second voltage variation,
And compare with reference voltage the variation of the second voltage to obtain error voltage, the error voltage is sent by amplification
To the pulse-width modulation circuit；
The pulse-width modulation circuit is connected with the driver, for according to amplified error voltage to the ratio
Control signal is sent compared with amplifier；
The driver is connected with the converter, for changing the duty of power device according to the control signal
Than to adjust the output size of the second voltage.
With reference to second aspect, the utility model embodiment provides the first possible embodiment of second aspect,
In, the converter is square wave pulse width modulation (PWM) converter or resonant converter.
With reference to second aspect, the utility model embodiment provides second of possible embodiment of second aspect,
In, it is communicated between the rectification module and between the rectification module and monitoring module by CAN bus.
With reference to second of possible embodiment of second aspect, the utility model embodiment provides the of second aspect
Three kinds of possible embodiments, wherein, the rectification module is additionally operable in the case of the power shelf of heat insertion for the first time, receive monitoring
ID addresses that device issues simultaneously are preserved, so that the ID addresses again insertable into after are constant.
With reference to second aspect, the utility model embodiment provides the 4th kind of possible embodiment of second aspect,
In, input protection module is further included, wherein, the input protection module includes surge protection, short-circuit protection and overvoltage protection.
The utility model provides monitor and high-frequency switching power supply module based on communication power supply, monitor microprocessor
Device, storage chip and monitoring modular；Storage chip is connected with microprocessor, for the customized information of acquisition to be deposited
Storage, and send it to microprocessor；Monitoring modular is connected with microprocessor, for power grid, power supply and load carry out state
Monitoring obtains status monitoring information, and sends it to microprocessor；Microprocessor is used to judge electricity according to status monitoring information
Whether net, power supply and the state of load are safe, and send a warning message under unsafe condition to alarm device.This practicality is new
Type can ensure effective monitoring to the power supply system for communications.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and attached drawing.
For the above-mentioned purpose of the utility model, feature and advantage is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and
Attached drawing appended by cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the schematic diagram for the monitor based on communication power supply that the utility model embodiment provides；
Fig. 2 is the schematic diagram for another monitor based on communication power supply that the utility model embodiment provides；
Fig. 3 is the schematic diagram for the high-frequency switching power supply module based on communication power supply that the utility model embodiment provides；
Fig. 4 is the signal for another high-frequency switching power supply module based on communication power supply that the utility model embodiment provides
Figure；
Fig. 5 is the power supply system for communications using monitor and high-frequency switching power supply module that the utility model embodiment provides
Schematic diagram；
Fig. 6 is the apparatus structure schematic diagram for the rectification module that the utility model embodiment provides.
Icon：
10- microprocessors；20- storage chips；30- monitoring modulars；31- power network monitoring modules；32- battery detection modules；
33- load monitoring modules；34- system monitoring modules；40-CAN bus interface；50-USB serial ports；60- converters；70- is relatively put
Big device；80- pulse-width modulation circuits；90- drivers.
Specific embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
All other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
At present, the prior art, which is difficult to ensure that, effectively monitors the power supply system for communications, and power module is not light,
Power density is low.Based on this, the monitor and high frequency switch power mould based on communication power supply that the utility model embodiment provides
Block, it is ensured that effective monitoring to the power supply system for communications, and multiple-channel output is inputted by multichannel and improves reliability, utilize collection
Mode into power supply improves power density, makes power module small portable.
For ease of understanding the present embodiment, first to disclosed in the utility model embodiment based on communication power supply
Monitor describes in detail.
Fig. 1 is the schematic diagram for the monitor based on communication power supply that the utility model embodiment provides.
With reference to Fig. 1, the monitor based on communication power supply includes microprocessor 10, storage chip 20 and monitoring modular 30；
Storage chip 20 is connected with microprocessor 10, for the customized information got to be stored, and
Customized information is sent to microprocessor 10；
Monitoring modular 30 is connected with microprocessor 10, and shape is obtained for carrying out status monitoring to power grid, power supply and load
State monitoring information, and status monitoring information is sent to microprocessor 10；
Microprocessor 10, is connected with alarm device, for judging power grid, power supply and load according to status monitoring information
Whether state is safe, and sends a warning message under unsafe condition to alarm device.
Exemplary embodiment according to the present utility model, monitoring modular 30 include power network monitoring module 31, battery detection mould
Block 32, load detecting module 33 and system monitoring module 34；
Power network monitoring module 31, is connected by current transformer and voltage transformer with power grid, for measuring power grid electricity
Pressure, electric current and phase angle obtain power grid state information, and power grid state information is sent to microprocessor 10；
Battery detection module 32, is connected with communication power supply, for battery temperature, electric current measures to obtain battery
Status information, and battery status information is sent to microprocessor 10；
Load monitoring module 33, is connected with load contacts, is measured for pair load current being connected with power supply
Microprocessor 10 is sent to load state information, and by load state information；
System monitoring module 34, the voltage and current for measuring the power supply system for communications obtain system status information, and will
System status information is sent to microprocessor 10.
Exemplary embodiment according to the present utility model further includes toggle switch and CAN interface 40；
Toggle switch is connected with microprocessor 10, for setting the ID addresses in the CAN bus of monitor；
CAN interface 40 is connected with microprocessor 10, for passing through in CAN bus and high-frequency switching power supply module
Rectification module communicated.
Exemplary embodiment according to the present utility model further includes USB serial ports 50, is connected with microprocessor, for
Other computers are communicated to carry out local operation.
Specifically, a kind of possible embodiment of the monitor based on communication power supply, microprocessor 10 are illustrated in figure 2
It is the brain of system and intelligent monitor, main program and dynamic parameter are stored in flash chip, convenient by USB or CAN
Bus interface upgrades；Toggle switch in figure can set the ID in the CAN bus of monitor；EEPROM is storage chip 20, is used
It is stored in by all user-defined parameters, calibration, daily record in eeprom chip；CAN interface 40 can pass through CAN
Bus is communicated with rectification module or monitor；Left end input measurement system voltage, the battery electricity of CON5 systems connection in figure
Stream monitors battery and load fuse alarm.And the magnetic latching contactor of the lower electricity of right end output signal control；The connection of CON4 batteries
Left end input signal monitors 4 pairs of battery symmetric points and 1 battery temperature, passes through right end USB serial ports and PC or other computers
Communication；The input signal of CON1 alarm outputs/input is 2 digital input signals in figure, and right end exports 2 dry contact alarm letters
Number；CON3 batteries connection left end input signal is 4 pairs of battery symmetric points of monitoring, 1 battery temperature, 1 battery current and 1 electricity
The signal of pond fuse alarm；The left end input signal of CON2 alarm outputs/input is 4 digital input signals of monitoring, and right end is defeated
Go out 4 dry contact alarm signals.
Exemplary embodiment according to the present utility model, battery detection module 32 further includes battery block measuring appliance, midpoint is surveyed
Measuring device and double midpoints measuring appliance；
Battery block measuring appliance, for detecting each cell block voltage；
Midpoint measuring appliance, for detecting the midpoint of each battery strings to the voltage of end；
Double midpoint measuring appliances, for detecting the midpoint of battery strings to the voltage at both ends.
Fig. 3 is the schematic diagram for the high-frequency switching power supply module based on communication power supply that the utility model embodiment provides.
With reference to Fig. 3, the high-frequency switching power supply module based on communication power supply includes several rectification modules, wherein, rectification module
Including converter 60, driver 90, pulse-width modulation circuit 80 and comparison amplifier 70；
Converter 60, is connected respectively with power grid and load, and the multichannel first voltage for power grid to be accessed is converted to more
Road second voltage exports to carry out voltage conversion；
Comparison amplifier 70 is connected by sample circuit with the load, for detecting second voltage variation, and by the
The variation of two voltages obtains error voltage compared with reference voltage, and error voltage is sent to pulse-width modulation circuit by amplification
80；
Pulse-width modulation circuit 80 is connected with driver 90, for according to amplified error voltage to comparison amplifier
70 send control signal；
Driver 90 is connected with converter 60, for changing the duty cycle of power device according to control signal to adjust
The output size of second voltage.
Exemplary embodiment according to the present utility model, converter 60 are square wave pulse width modulation (PWM) converter or mode of resonance
Converter.
Exemplary embodiment according to the present utility model, between rectification module and between rectification module and monitoring module
It is communicated by CAN bus.
Exemplary embodiment according to the present utility model, rectification module are additionally operable to the situation in the power shelf of heat insertion for the first time
Under, receive the ID addresses that monitor issues and preserved, so that the ID addresses again insertable into after are constant.
Exemplary embodiment according to the present utility model further includes input protection module, wherein, input protection module includes
Surge protection, short-circuit protection and overvoltage protection.
The high-frequency switching power supply module based on communication power supply that the utility model embodiment provides includes several rectification modules,
Rectification module includes converter, driver, pulse-width modulation circuit and comparison amplifier.Converter respectively with power grid and load phase
Even, the multichannel first voltage for power grid to be accessed is converted to the output of multichannel second voltage to carry out voltage conversion；Compare amplification
Device is connected by sample circuit with load, for detecting second voltage variation, and by the variation of second voltage and reference voltage
It compares to obtain error voltage, error voltage is sent to pulse-width modulation circuit 80 by amplification；Pulse-width modulation circuit 80, with drive
Dynamic device 90 is connected, for sending control signal to comparison amplifier 70 according to amplified error voltage；Driver 90, with change
Parallel operation 60 is connected, for changing the duty cycle of power device according to control signal to adjust the output size of second voltage.This
In, converter is square wave pulse width modulation (PWM) converter or resonant converter.As shown in figure 4, DC/DC converters connect power grid
The multichannel first voltage entered is converted to the output of multichannel second voltage to carry out voltage conversion；PWM(Pulse Width
Modulation, pulse width modulation) it is pulse-width modulation circuit 13, UrOn the basis of voltage, R1、R2For sample circuit.This practicality is new
Type can input multiple-channel output by multichannel and improve reliability, improve power density using the mode of integrated power supply, make power supply mould
Block small portable.
It should be noted that embody the company of the monitor that provides of the utility model embodiment and high-frequency switching power supply module
Connect relation and dependent coordination, spy the two is done the power supply system for communications formed be elaborated with.
The power supply system for communications includes high-frequency switching power supply module, input switch and output switch；
The input terminal input multichannel first voltage of input switch, the output terminal of input switch and high-frequency switching power supply module
Input terminal is connected, and the first output terminal of high-frequency switching power supply module is connected with the input terminal of output switch, exports switch
Output terminal is connected with load；
High-frequency switching power supply module, for multichannel first voltage to be converted to multichannel second voltage；
Output switch, for exporting second voltage to load.
Specifically, the power supply system for communications provided by the utility model possesses while accesses the ability of two-way power supply, therefore appoints
Meaning all the way interrupt by power input, must not influence transmission equipment normal operation.Two-way input power can arbitrarily incoming transport or direct current,
And meet Width funtion design, it is desired to which input voltage range is in 110V~240V (AC or DC).Integrated power supply and power supply point
With unit in one, total volume height is not more than 3U, meets 19 inches and is installed with 21 inch standard cabinets, therefore volume is light-duty.
Exemplary embodiment according to the present utility model further includes monitor, input wires terminal and output wiring terminal；
Monitor is connected with the second output terminal of high-frequency switching power supply module, for monitoring and controlling communication power supply system
System, and the power supply system for communications is configured, debug and is operated；
Input wires terminal, is connected with input switch, for by the output terminal of input wires terminal and input switch
Input terminal is connected to provide electric power incoming line contact；
Output wiring terminal is connected with output switch, for switch the input terminal of output wiring terminal with output
Output terminal is connected loads branch output contact to provide.
Specifically, the high-frequency switching power supply module that the utility model embodiment provides can be used model EITEK-2000's
Power module, the EITEK rectification modules are hot plugged digital control Switching Power Supplies；The module is used to charge to accumulator and to logical
Believe that equipment provides the DC power supply of high quality and similar purposes.Rectification module can work independently can also be with other rectification moulds
Parallel current-sharing works block together, and between rectification module or rectification module can be carried out with Smartpack monitors by CAN bus
Communication.EITEK DC power systems can install 21 " or 19 " power shelfs of 1U and (insert 5 or 4 rectification modules；Or 2
EITEK Dual rectification modules).
Here, it is special with control to assign the outstanding monitoring of monitor using DSP digital control technologies for master ＆ slave control program
Sign.This technology with the quantity of component is made to reduce 40%, and therefore substantially increase its reliability, service life is also big
To increase, reduce the generation of failure rate.
As shown in figure 5, high-frequency switching power supply module is at least connected with two-way input switch, and at least opened with the output of ten tunnels
Pass is connected.Each input switch is connected respectively with two rectification modules, each ten tunnels of rectification module Jun Yu output switch phase
Connection.
Specifically, high-frequency switching power supply module 10 make use of common resonance topological technology so that module efficiency is effectively carried
It rises, hence the appearance and size of rectification module is more compact compact.The power supply system for communications knot that the utility model embodiment provides
Structure height is 3U, power system capacity -48V/160A, and is integrated with 10 load output branches, is not have currently on the market
Highgrade integration, the integrated form integrated communication power-supply system of high power density.
The power supply system for communications that the utility model embodiment provides realizes plug and play connection system, reduces and is mounted to
This, saves the set-up time.EITEK rectification modules meet CE, UL requirement, meet NEBS (Network Equipment-
Building System, network equipment construction system) certification, it can install and use, be widely used in the world.
It should be noted that rectification module for the first time heat insertion power shelf in the case of, with receiving the ID that monitor issues
Location is simultaneously preserved, so that the ID addresses again insertable into after are constant.Specifically, when some rectification module is by for the first time
Heat is injected in power supply machine frame, and Smartpack monitoring modules can distribute next effective ID to this rectification module, ID numbers from
" 01 " starts.The ID numbers (or bus address) and the sequence number of rectification module is stored in rectification module and monitoring module.
When (heat is inserted) rectification module that some had previously been installed is again insertable into power supply machine frame, Smartpack monitoring modules are because " knowing
Not " the module, can distribute and former same ID is to rectification module.In other words, even if rectification module is extracted or is inserted again
Enter power supply machine frame, the monitor and rectification module meeting " remembering " allocated ID and sequence number.In order to obtain correct ID, once
A rectification module hot can only be inserted to corresponding position, and according to the order of ID to start, such as 1,2,3 etc..The serial number
It is not just extremely important after ID#6.
It should be noted that since Smartpack monitoring modules always use rectification module ID to go to distinguish for 01,02 and 03
The voltage of phase L1, L2 and L3 of alternating current are monitored, therefore the correspondence is critically important.If event occurs for these rectification modules
Barrier, rectification module ID be 04,05 and 06 will substitute automatically before module carry out alternating voltage monitoring.Such as：It if will
One identification number is in 02 rectification module insertion phase L1, it will monitoring module is caused to go to monitor as L2 by L1 by mistake.Cause
This can cause the failure of phase 2 that can report as the failure of phase 1, generation alarm confusion.
Here, monitor uses the method detection -48V systems that battery symmetrically detects, and symmetrically detection is to detect automatically to battery
A unbalanced battery cell monitoring method between battery block.The symmetrical detection of one 48V battery strings can be with following three not
With method realize：Battery block measures, and detects each cell block voltage；Midpoint measures, and the midpoint for detecting each battery strings is arrived
The voltage of end；Double midpoint measurements, detect the midpoint of battery strings to the voltage at both ends.Mensuration each battery strings in midpoint need
Two symmetrical detection lines；Double each battery strings of midpoint mensuration need three symmetrical detection lines, and battery block mensuration is each
Battery strings need five symmetrical detection lines.If having 1-8 strings in combined DC power-supply system (48V), often string is 4 12V
Battery block if, it is possible to the symmetrical detection function of battery come realize the Voltage unbalance between battery block alert.Alarm electricity
Pressure can be set.Alarm detection method can be selected according to different battery pack numbers, can also be selected as requested.
High-frequency switching power supply module possesses the ability of thermal effect management, is illustrated in figure 6 a rectification module installation drawing, each
All preposition two high efficient fans of rectification module shell ensure that air-flow flows from front to back, radiator are fit directly into aluminium alloy
Machine frame inner wall, two are mutually independent the working environment that direct through type air flue design makes module be adapted to wide scope from front to back,
And it is more easy and convenient therefore to realize system scheme.It, will be as shown in Figure 6 multiple whole if installing multiple rectification modules
Flow module connects use side by side.
It can be seen that the communication power supply system that monitor and high frequency switch power that the utility model embodiment provides are formed
System, possesses 10 tunnel branch output functions, and per road, output is respectively provided with shock resistance magnetic blast breaker defencive function；It is opened with 4 high frequencies
Powered-down source module 2+2 Redundancy Designs, support online insertion and removal, and any one formwork damage does not influence system operation；Possess simultaneously
The ability of two-way power supply, the arbitrary incoming transport of two-way power supply or direct current 110~240V voltages are accessed, input branch, which is furnished with, puts short circuit
Magnetic blast breaker is protected；Meet the cabinet installation requirements of 19/21 inch of IEC standard, height 3U.Communication provided by the utility model
Power-supply system and device have the advantages that power supply lightness, high power density and integrated design, fusion power supply and distribution portion
Point, the great realistic meaning of communication power supply to solving the problems, such as current substation.
The calculating for the monitor and high-frequency switching power supply module based on communication power supply that the utility model embodiment is provided
Machine program product, the computer readable storage medium including storing program code, the instruction that said program code includes can use
In the method described in previous methods embodiment that performs, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, details are not described herein.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can above-mentioned term be understood with concrete condition
Concrete meaning in the utility model.
In addition, term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or implying phase
To importance.
Finally it should be noted that：Embodiment described above is only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
It, still can be to the skill recorded in previous embodiment in the technical scope that the technical staff in art field discloses in the utility model
Art scheme, which is modified or can be readily occurred in, to be changed or carries out equivalent substitution to which part technical characteristic；And these modifications,
Variation is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and model of the utility model embodiment technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
Subject to the protection domain asked.
Claims (9)
1. a kind of monitor based on communication power supply, which is characterized in that including microprocessor, storage chip and monitoring modular；
The storage chip is connected with the microprocessor, for the customized information got to be stored, and
The customized information is sent to the microprocessor；
The monitoring modular is connected with the microprocessor, and shape is obtained for carrying out status monitoring to power grid, power supply and load
State monitoring information, and the status monitoring information is sent to the microprocessor；
The microprocessor, is connected with alarm device, for judging the power grid, the electricity according to the status monitoring information
Whether the state of source and the load is safe, and sends a warning message under unsafe condition to the alarm device；
The monitor further includes the first alarm output/input interface CON1, the second alarm output/input interface CON2, first
Battery connecting interface CON3, the second battery connecting interface CON4 and system connection interface CON5.
2. the monitor according to claim 1 based on communication power supply, which is characterized in that the monitoring modular includes power grid
Monitoring modular, battery detection module, load detecting module and system monitoring module；
The power network monitoring module, is connected by current transformer and voltage transformer with the power grid, for measuring power grid
Voltage, electric current and phase angle obtain power grid state information, and the power grid state information is sent to the microprocessor；
The battery detection module, is connected with communication power supply, for battery temperature, electric current measures to obtain battery shape
State information, and the battery status information is sent to the microprocessor；
The load monitoring module, is connected with load contacts, is measured for pair load current being connected with the power supply
Load state information is obtained, and the load state information is sent to the microprocessor；
The system monitoring module, the voltage and current for measuring the power supply system for communications obtain system status information, and by institute
It states system status information and is sent to the microprocessor.
3. the monitor according to claim 1 based on communication power supply, which is characterized in that further include toggle switch and CAN
Bus interface；
The toggle switch is connected with the microprocessor, for setting the ID addresses in the CAN bus of the monitor；
The CAN interface is connected with the microprocessor, for passing through the CAN bus and high frequency switch power mould
Rectification module in the block is communicated.
4. the monitor according to claim 2 based on communication power supply, which is characterized in that USB serial ports is further included, it is and described
Microprocessor is connected, for being communicated to carry out local operation with computer.
5. the monitor according to claim 4 based on communication power supply, which is characterized in that the battery detection module is also wrapped
Include battery block measuring appliance, midpoint measuring appliance and double midpoint measuring appliances；
The battery block measuring appliance, for detecting each cell block voltage；
The midpoint measuring appliance, for detecting the midpoint of each battery strings to the voltage of end；
Double midpoint measuring appliances, for detecting the midpoint of battery strings to the voltage at both ends.
6. a kind of high-frequency switching power supply module based on communication power supply, which is characterized in that including any one of such as claim 1 to 5
The monitor based on communication power supply, further includes several rectification modules, and the rectification module receives the monitor and issues
ID addresses；Wherein, the rectification module includes converter, driver, pulse-width modulation circuit and comparison amplifier；
The converter, is connected respectively with power grid and load, and the multichannel first voltage for power grid to be accessed is converted to multichannel
Second voltage exports to carry out voltage conversion；
The comparison amplifier is connected by sample circuit with the load, for detecting the second voltage variation, and will
The variation of the second voltage obtains error voltage compared with reference voltage, and the error voltage is sent to institute by amplification
State pulse-width modulation circuit；
The pulse-width modulation circuit is connected with the driver, for being put according to amplified error voltage to the comparison
Big device sends control signal；
The driver is connected with the converter, for according to the control signal change power device duty cycle with
Adjust the output size of the second voltage.
7. the high-frequency switching power supply module according to claim 6 based on communication power supply, which is characterized in that the converter
For square wave pulse width modulation (PWM) converter or resonant converter.
8. the high-frequency switching power supply module according to claim 6 based on communication power supply, which is characterized in that the rectification mould
It is communicated between block and between the rectification module and monitoring module by CAN bus.
9. high-frequency switching power supply module according to claim 6, which is characterized in that input protection module is further included, wherein,
The input protection module includes surge protection, short-circuit protection and overvoltage protection.
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| CN201720993227.XU CN207408502U (en) | 2017-08-09 | 2017-08-09 | Monitor and high-frequency switching power supply module based on communication power supply |
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| CN201720993227.XU CN207408502U (en) | 2017-08-09 | 2017-08-09 | Monitor and high-frequency switching power supply module based on communication power supply |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212434A (en) * | 2018-11-13 | 2019-01-15 | 乐山有研稀土新材料有限公司 | A kind of high-frequency direct-current switch power supply current-voltage-humiture monitoring device |
| CN109787355A (en) * | 2017-11-15 | 2019-05-21 | 北京机电工程研究所 | CAN bus based power supply unit |
| CN114567178A (en) * | 2022-02-28 | 2022-05-31 | 西安微电子技术研究所 | Current transformer-based multi-module parallel current-sharing line of DC/DC converter |
-
2017
- 2017-08-09 CN CN201720993227.XU patent/CN207408502U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787355A (en) * | 2017-11-15 | 2019-05-21 | 北京机电工程研究所 | CAN bus based power supply unit |
| CN109212434A (en) * | 2018-11-13 | 2019-01-15 | 乐山有研稀土新材料有限公司 | A kind of high-frequency direct-current switch power supply current-voltage-humiture monitoring device |
| CN114567178A (en) * | 2022-02-28 | 2022-05-31 | 西安微电子技术研究所 | Current transformer-based multi-module parallel current-sharing line of DC/DC converter |
| CN114567178B (en) * | 2022-02-28 | 2024-05-07 | 西安微电子技术研究所 | DC/DC converter multi-module parallel current equalizing circuit based on current transformer |
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