CN108336893A - A kind of power supply cabinet - Google Patents
A kind of power supply cabinet Download PDFInfo
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- CN108336893A CN108336893A CN201810157216.7A CN201810157216A CN108336893A CN 108336893 A CN108336893 A CN 108336893A CN 201810157216 A CN201810157216 A CN 201810157216A CN 108336893 A CN108336893 A CN 108336893A
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- Prior art keywords
- power supply
- voltage output
- micro
- power
- voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides a kind of power supply cabinet, solve the problems, such as that cabinet in the prior art is to meet the communication apparatus of different model to arrange that equipment mounting means disunity caused by various types of power supplys, wiring are complicated.Power supply machine case provided by the invention includes：Chassis shell body；Can be in the installation pallet of chassis shell body internal slide, it includes general mounting hole to install pallet；The voltage output module being set on installation pallet, is used for the adjustable voltage of output mode；And be set to inside chassis shell body, the general supply of input voltage is provided for voltage output module.
Description
Technical field
The present invention relates to technical field of the electromechanical equipment, and in particular to a kind of power supply cabinet.
Background technology
The manufacturing of small-sized DC communication apparatus at present has no unified construction standard, the product of every equipment life manufacturer
It is different in appearance and size, mounting means and operating voltage.It thus causes in actual items application, cabinet domestic demand
It arranges that various types of power supplys, equipment mounting means disunity, and system wiring are complicated, increases unreliable factor, give item
Purpose construction, cost and maintenance are made troubles.
Invention content
In view of this, the embodiment of the present invention is dedicated to providing a kind of power supply cabinet, it is to solve cabinet in the prior art
The communication apparatus for meeting different model arranges that equipment mounting means disunity caused by various types of power supplys, wiring are complicated
Problem.
One embodiment of the invention provides a kind of power supply cabinet, including：Chassis shell body；It can be in chassis shell body internal slide
Pallet is installed, installation pallet includes general mounting hole；The voltage output module being set on installation pallet, can for output mode
The voltage of tune；And be set to inside the chassis shell body, the general supply of input voltage is provided for voltage output module.
In one embodiment, installation pallet includes the first tray unit and multiple second tray units, general supply installation
In on the first tray unit, a voltage output mould is each provided on the second tray unit of each of multiple second tray units
Block, power supply cabinet further comprise the PCB being set to inside chassis shell body, the first tray unit and multiple second tray units point
It is not electrically connected with PCB by connector, PCB includes power bus, and general supply is provided by power bus for voltage output module
Input voltage.
In one embodiment, voltage output module includes micro-control unit and is respectively connected to the electricity of micro-control unit
Source chip, pressure regulation button and display charactron, micro-control unit automatically identify selected according to the pressing mode of pressure regulation button
Voltage output pattern, control power supply chip is according to the voltage output pattern output voltage identified, and it is digital to control display
Pipe shows current selected voltage output valve.
In one embodiment, voltage output module further comprises that analog switch, micro-control unit pass through analog switch
Regulate and control power supply chip according to selected voltage output pattern output voltage, during regulation and control, micro-control unit controls are aobvious
Show that charactron shows current selected voltage output valve in a flashing manner；When regulating and controlling to complete, micro-control unit controls are shown
Charactron shows current selected voltage output valve in a normal way, and acquires the virtual voltage that power supply chip currently exports
Value, if the actual voltage value currently exported is equal with current selected voltage output valve, micro-control unit controls power supply chip is opened
Begin to power outward, if unequal, micro-control unit controls power supply chip does not power and generates warning message outward.
In one embodiment, when power supply chip starts to power outward, micro-control unit is further used for working as power supply core
When piece starts to power outward, pressure regulation button is locked.
In one embodiment, power supply cabinet further comprises that the master controller being integrated on PCB, master controller include electricity
Source monitoring modular, network module and internal communication bus, micro-control unit be further used for acquiring and handle its corresponding second
Voltage and current data when communication apparatus on tray unit works, and by the initial data of acquisition and through handling obtained place
Reason data are sent to power supply monitoring module through internal communication bus, and power supply monitoring module is original for transmitting micro-control unit
Data and processing data are sent to remote server through network module, and are microcontroller list according to the data of remote server passback
Communication apparatus on corresponding second tray unit of member individually establishes an electricity consumption situation database.
In one embodiment, power supply monitoring module is further used for the initial data for transmitting micro-control unit and processing
Data in the corresponding electricity consumption situation database of data are compared, and judge that micro-control unit is corresponding according to comparison result
The working condition of voltage output module is simultaneously uploaded to remote server, and sends out corresponding finger to micro-control unit according to judging result
It enables.
In one embodiment, processing data include the abnormal frequency data that are obtained after Fast Fourier Transform (FFT) is handled and
The mean data obtained after averaged value processing；Data in institute's electricity consumption situation database include that communication apparatus is respectively full negative
Lotus, Ping Feng, it is standby when operating voltage data and current data and when operation irregularity after Fast Fourier Transform (FFT) is handled
The abnormal frequency data arrived；Instruction includes that control voltage output module continues voltage output, cut-in voltage output and stops
The instruction of voltage output.
In one embodiment, power supply cabinet further comprises that master controller and fault wave recording device, master controller include
Power quality analysis module and internal communication bus, general supply include the first power supply and second source, and fault wave recording device is used for
The input voltage of the first power supply and second source is acquired respectively to obtain the respective time domain data of duplex feeding circuit, to collecting
Two-way input voltage do Fast Fourier Transform (FFT) respectively and handle to obtain the respective frequency domain data of duplex feeding circuit, and by time domain
Data, frequency domain data and timing node are packaged is sent to master controller by internal communication bus；Power quality analysis module is logical
It crosses the time domain data for calculating fault wave recording device transmission and frequency domain data selects more excellent supply line, and control general supply without seaming and cutting
More excellent supply line is changed to work.
In one embodiment, master controller further comprises that network module, general supply further comprise reserve battery, when
When the supply line of the calculating of power quality analysis module to work at present is better than stand-by power supply circuit, control general supply is not cut
It changes；When power quality analysis module, which is calculated, is better than the supply line of work at present to stand-by power supply circuit, control first spare
Supply line is connected, then controls supply line's disconnection of work at present；When work at present is arrived in the calculating of power quality analysis module
When supply line and stand-by power supply circuit are not inconsistent standardization, the line conduction where reserve battery is controlled first, then control and work as
The supply line of preceding work disconnects, and generates corresponding warning message and be sent to remote server through network module.
In one embodiment, power supply cabinet further comprises that be set between the first power supply and power bus first is inverse
Only diode and the first D.C. contactor, the second check diode for being set between second source and power bus and second are straight
Stream contactor and the third check diode and third D.C. contactor being set between reserve battery and power bus, it is main
Controller further comprises that I/O interfaces, I/O interfaces are used to control the first direct current according to the instruction that power quality analysis module is sent out
Contactor, the second D.C. contactor and third D.C. contactor are turned on or off to control the first power supply, second source respectively
And the working condition of reserve battery.
In one embodiment, general supply further comprises battery charging management module, for the charge and discharge to reserve battery
Electricity is managed, and when the voltage of reserve battery is less than preset voltage threshold, is charged automatically to reserve battery；When spare
When the charging current of battery is less than preset current threshold or charging time more than preset time threshold, stop to reserve battery
Charging；I/O interfaces are further used for reading the charging and discharging state of reserve battery.
In one embodiment, fault wave recording device by the regular clock synchronization of master controller and remote server come obtain with
The timing node that remote server synchronizes.
In one embodiment, power supply cabinet further comprises two active filters, each active filter therein
The supply line and the supply line where second source being respectively set to where the first power supply, are respectively used to the first power supply and
The harmonic current that two power supplys generate compensates.
In one embodiment, power supply cabinet further comprises the radiator for being set to chassis shell body back；Chassis shell
It include the multipair sliding rail for plugging installation pallet being correspondingly arranged on the upper casing and lower casing of body；Installation pallet further comprise with
PCB connections and the connector for supporting hot plug；Voltage output module is set on the front panel of installation pallet.
Power supply cabinet provided in an embodiment of the present invention by be arranged inside chassis shell body slidable installation pallet and
General mounting hole is set on installation pallet, makes the communication apparatus of any producer's production that can all be inserted into installation by this mounting hole
It on pallet and is pushed into chassis shell body, has unified mounting means, simplify system wiring, be construction, cost and the maintenance of project
Bring facility；The voltage output module installed on pallet simultaneously can be adjusted according to the different demands of the communication apparatus of different model
Control exports different voltage values, to improve the versatility of power supply supply, enhances reliability.
Description of the drawings
Fig. 1 show the structural schematic diagram that a kind of power supply cabinet of one embodiment of the invention offer is seen from front.
Fig. 2 show a kind of power supply cabinet of one embodiment of the invention offer from the structural schematic diagram in terms of the back side.
Fig. 3 show the structural schematic diagram of the first tray unit in a kind of power supply cabinet of one embodiment of the invention offer.
Fig. 4 show the structural schematic diagram of the second tray unit in a kind of power supply cabinet of one embodiment of the invention offer.
Fig. 5 show the structural schematic diagram of voltage output module in a kind of power supply cabinet of one embodiment of the invention offer.
Fig. 6 show a kind of structural schematic diagram of power supply cabinet of one embodiment of the invention offer.
Fig. 7 show a kind of line map of the power supply supply of power supply cabinet of one embodiment of the invention offer.
Fig. 8 show a kind of structural schematic diagram of power supply cabinet of one embodiment of the invention offer.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 show a kind of structural schematic diagram of power supply cabinet of one embodiment of the invention offer.As shown in Figure 1,
The power supply machine case include chassis shell body 10, can 10 internal slide of chassis shell body installation pallet 20, be set to installation pallet 20
On voltage output module 30 and be set to the inside of chassis shell body 10 and provide the total of input voltage for voltage output module 30
Power supply 40.
Installing has general mounting hole on pallet 20, be applicable to the installation of the communication apparatus of any producer, facilitate peace
Dress and maintenance.The 30 adjustable voltage of exportable pattern of voltage output module, with the communication apparatus suitable for various different models
Voltage request improves the versatility of power supply supply.
Power supply cabinet provided in an embodiment of the present invention inside chassis shell body 10 by being arranged slidable installation pallet 20
And general mounting hole is set on installation pallet 20, makes the communication apparatus of any producer's production that can be all inserted by this mounting hole
To installation pallet 20 on and be pushed into chassis shell body 10, unified mounting means, simplified system wiring, be project construction,
Cost and maintenance bring facility；The voltage output module 30 installed on pallet 20 simultaneously can be according to the communication apparatus of different model
Different demands and regulate and control the different voltage value of output, to improve the versatility of power supply supply, enhance reliability.
In one embodiment, as shown in Figure 1, installation pallet 20 includes the first tray unit 21 and multiple second pallet lists
Member 22.It is respectively the structural schematic diagram of the first tray unit 21 and the second tray unit 22 shown in Fig. 3 and Fig. 4.With reference to figure 1, Fig. 3
And Fig. 4, the first tray unit 21 can be used for installing general supply 40, multiple second tray units 22 then can be used for installing multiple communications
Equipment, each second tray unit 22 therein can be used for installing a communication apparatus.
In an embodiment of the present invention, the size of chassis shell body 10 can be that 48.26cm is (19 inches) wide, 4U (1U=
It is 44.45mm) high, the insertion of various sizes of communication apparatus can be suitble to.Include that correspondence is set on the upper casing and lower casing of chassis shell body 10
The multipair sliding rail for plugging the first tray unit 21 and the second tray unit 22 set, in a preferred embodiment, sliding rail
Between the minimum spacing installed be 25mm, those skilled in the art can flexibly be selected sliding rail to install by the multiple of spacing 25mm
Quantity, to determine that the maximum number of communication apparatus can be installed.The setting of this spacing can meet the ruler of most of communication apparatus
Very little requirement, and be unlikely to cause the waste in space.In one embodiment, 16 pairs of sliding rails can be at most installed, i.e., can be at most packed into
16 communication apparatus.Those skilled in the art also can be according to actual demand according to the locating distance between other sizes design sliding rail
From the present invention is not specifically limited this.
In an embodiment of the present invention, as shown in Fig. 2, the power supply cabinet further comprises radiator 50, heat dissipation dress
50 backs for being set to chassis shell body 10 are set, can be made of four groups of fans.The wind speed and direction of fan is adjustable, has ensured cabinet
Internal radiating requirements.
In an embodiment of the present invention, which further comprises being set to the printed circuit inside chassis shell body 10
Plate (Printed Circuit Board, PCB), it is preferable that PCB is set to the back of chassis shell body 10, with 50 phase of radiator
It is right, to promote the rapid cooling of integrated component on PCB.Include power bus on PCB, general supply 40 is by the power bus
Input voltage can be provided for the voltage output module 30 on the second tray unit 22.
In an embodiment of the present invention, the first tray unit 21 and the second tray unit 22 pass through connector and PCB respectively
Form electrical connection.In another embodiment, installation pallet 20 further comprises the connector that hot plug is connect and supported with PCB,
Communication apparatus is inserted or pull out by this connector to have any impact to the communication apparatus that other are currently running, and is improved
Reliability.
In an embodiment of the present invention, for make communication apparatus install and safeguard it is more convenient, can also be in chassis shell body 10
Outside carries out installation wiring, and 20 entirety of installation pallet, which is inserted into chassis shell body 10, after the completion of installation wiring is fixed.
In an embodiment of the present invention, the front panel 23 in each second tray unit 22 is arranged in voltage output module 30
On, to facilitate user into the selection of line output voltage and check operation.
Fig. 5 show the structural representation of voltage output module 30 in a kind of power supply cabinet of one embodiment of the invention offer
Figure.With reference to figure 1, Fig. 4 and Fig. 5, the voltage output module 30 is including micro-control unit 34 and is respectively connected to micro-control unit
34 power supply chip 31, pressure regulation button 32 and display charactron 33.Micro-control unit 34 can be according to the pressing side of pressure regulation button 32
Formula automatically identifies the selected voltage output pattern of user, then controls power supply chip 31 according to the voltage output identified
Pattern exports corresponding voltage, and controls display charactron 33 and show current selected voltage output valve.
In an embodiment of the present invention, power supply chip 31 be DC-DC chips comprising 24V, 18V, 13.5V, 12V, 9V,
Voltage output patterns different seven kinds of 7.5V, 5V, output power 35W, the communication to adapt to different voltages specification on the market are set
It is standby.For the specific voltage output pattern included by power supply chip 31, those skilled in the art can also be according to other demands again
Different designs are done, the present invention is not specifically limited this.
In an embodiment of the present invention, micro- as shown in figure 5, the voltage output module 30 further comprises analog switch 35
Control unit 34 regulates and controls power supply chip 31 by analog switch 35 and exports corresponding voltage according to selected voltage output pattern.
For power supply chip 31, corresponding different voltage output pattern can be realized by switching the resistance value of feedback resistance.At one
In embodiment, during micro-control unit 34 and power supply chip 31 carry out regulating and controlling voltage, the control display of micro-control unit 34
Charactron 33 shows current selected voltage output valve in a flashing manner.After the completion of regulation and control, display charactron 33 is again by micro-
The control of control unit 34 shows current selected voltage output valve in a normal way.Power supply chip 31 can't be right immediately at this time
Outer output voltage, but the actual voltage value that currently exports of power supply chip 31 is acquired by micro-control unit 34, and by its with it is current
Selected voltage output valve is compared, if equal, control power supply chip 31 and starts the communication apparatus power supply into cabinet, if
Unequal, micro-control unit 34 then controls power supply chip 31 and does not power outward and generate corresponding warning message.
Fig. 6 show a kind of structural schematic diagram of power supply cabinet of another embodiment of the present invention offer.As shown in fig. 6, should
Power supply cabinet further comprises master controller 60, which can be integrated on PCB, specifically may include 61 He of network module
Internal communication bus 62.Master controller 60 can be handed over by internal communication bus 62 and voltage output module 30 into row information and order
Mutually, internal communication is realized；It can be realized and be communicated by network module 61 and remote server 70.So 34 institute of above-mentioned micro-control unit
The warning message of generation can be sent to master controller 60 through internal communication bus 62, then be passed through network module 61 by master controller 60
It send to remote server 70, to cause the attention of staff to take appropriate measures, to ensure the safety of power supply cabinet
Reliability.
In an embodiment of the present invention, display charactron 33 is designed using three two rows, and the first row therein can be used for showing
Show that the numerical value of operating voltage, resolution ratio such as can be 0.1V, the second row can be used for showing that the numerical value of operating current, resolution ratio such as can be
0.01A.It is appreciated that skilled artisan also can do different designs according to other demands, the present invention does not limit this
It is fixed.
In an embodiment of the present invention, micro-control unit 34 is further used for when power supply chip 31 starts to power outward,
Locked pressure regulation button 32 prevents it from being pressed, to ensure that communication apparatus can work with security and stability.When Current communications equipment
When not needing power supply supply and being extracted from the second tray unit 22 or need to be changed to other voltage modes, micro-control unit
34 can further exchange press key 32 carry out unlock allow it to continue to be pressed, to carry out the choosing again of voltage output pattern
It selects.
Power supply setting of the cabinet by voltage output module 30 provided in an embodiment of the present invention so that user is adjusted by outside
The pressing for pressing key 32 is achieved with different voltage output patterns, compared with the existing technology in power module shell is beaten
It opens, by way of manually stirring physical switch and carrying out selection to output voltage, not only operates more convenient, security reliability
Higher.In addition, power supply cabinet provided in this embodiment is to communication apparatus before powering, it can be by micro-control unit 34 to power supply
The actual voltage value that chip 31 currently exports is compared with current selected voltage output valve, is only consistent and is just started externally to supply
Electricity further ensures the safety of power supply.
Fig. 7 show a kind of line map of the power supply supply of power supply cabinet of one embodiment of the invention offer.In this implementation
In example, in conjunction with shown in Fig. 6 and Fig. 7, master controller 60 further comprises power supply monitoring module 63.In one embodiment, the electricity
Embedded computer design can be used in source monitoring modular 63, can be that each communication apparatus on the second tray unit 22 is built respectively
An electricity consumption situation database is found, is monitored in real time for the operating status to communication apparatus.
In an embodiment of the present invention, micro-control unit 34 is designed based on Digital Signal Processing.When the second support
On disk unit 22 communication apparatus work when, corresponding micro-control unit 34 with certain sampling rate (such as：5000 times/second) it adopts
Collect the operating voltage and current data of communication apparatus, and it is handled accordingly, then by obtained operating voltage and electricity
Stream initial data and corresponding processing data are sent to power supply monitoring module by the internal communication bus 62 on master controller 60
63。
In an embodiment of the present invention, the processing that the initial data that micro-control unit 34 acquires it carries out is in quick Fu
The peaceful average value processing of leaf transformation processing, the processing data that power supply monitoring module 63 is sent to after having handled can be through fast Fourier
The abnormal frequency data obtained after conversion process and the mean data obtained after the processing of averaged value.
Electricity consumption data when power supply monitoring module 63 runs the communication apparatus that micro-control unit 34 transmits passes through network mould
Block 61 is sent to remote server 70, the practical fortune that the staff at 70 end of remote server passes through this data combination communication apparatus
Row state can be that communication apparatus writes power consumption parameter database.In one embodiment, the data tool of the power consumption parameter database
Body include each communication apparatus be respectively at full capacity, flat peak, it is standby when operating voltage data and current data and operation irregularity
When through Fast Fourier Transform (FFT) treated abnormal frequency data.
Remote server 70 is again by the data back to power supply monitoring module 63 of the power consumption parameter database of its own, electricity
The data that source monitoring modular 63 can be returned according to remote server 70 are 34 corresponding second tray unit 22 of each micro-control unit
On communication apparatus establish electricity consumption situation database.So also including that communication apparatus is respectively full negative in the electricity consumption situation database
Lotus, Ping Feng, it is standby when operating voltage data and current data and treated through Fast Fourier Transform (FFT) when operation irregularity
Abnormal frequency data.Power supply monitoring module 63, all can be by itself and oneself whenever receiving the electricity consumption data that micro-control unit 34 transmits
Data in the electricity consumption situation database of body are compared, and judge the voltage corresponding to each micro-control unit 34 according to comparison result
The working condition of output module 30 is simultaneously uploaded to remote server 70；Meanwhile power supply monitoring module 63 can also be according to judging result
Command adapted thereto is sent out to micro-control unit 34, such as continued voltage output to control voltage output module 30, open electricity
Pressure output stops the operations such as voltage output.Power supply cabinet provided in this embodiment is by power supply monitoring module 63 to communication apparatus
Electricity consumption situation monitored in real time, further improve power supply supply security reliability.
In an embodiment of the present invention, as shown in fig. 7, general supply 40 is AC-DC Switching Power Supplies, input voltage 220V
Alternating voltage, output voltage be 28V DC voltage, output power 300W, can by power bus 44 be the second pallet
Voltage output module 30 on unit 22 provides input voltage, Electro Magnetic Compatibility (Electro Magnetic
Compatibility, EMC) grade meets standard specified in GB/T19287 (the immunity to interference General Requirement of telecommunication apparatus).
In an embodiment of the present invention, general supply 40 supports redundant configuration.Fig. 8 show one embodiment of the invention offer
A kind of structural schematic diagram of power supply cabinet.As shown in figure 8, general supply 40 includes the first power supply 41 and second source 42, support
Redundant configuration.
As shown in Figure 6 and Figure 8, power supply cabinet provided in this embodiment further includes fault wave recording device 80, master controller 60
Then further comprise power quality analysis module 64.Fault wave recording device 80 for acquiring the first power supply 41 and second source respectively
Then 42 input voltage does collected two-way input voltage respectively with obtaining the respective time domain data of duplex feeding circuit
Fast Fourier Transform (FFT) is handled to obtain the respective frequency domain data of duplex feeding circuit (for example, mainly for the height within 50 times
Order harmonic components are calculated), finally time domain data, frequency domain data and timing node are packaged and passed by internal communication bus 62
It send to master controller 60.Power quality analysis module 64 in master controller 60 is by calculating the two of the transmission of fault wave recording device 80
The time domain data and frequency domain data of road 220V AC voltage input select more excellent supply line, and control 40 seamless switching of general supply
It works to more excellent supply line.
In an embodiment of the present invention, as shown in figure 8, general supply 40 further includes reserve battery 43.Work as power quality analysis
When module 64 calculates the supply line for arriving work at present better than stand-by power supply circuit, control general supply 40, which is not done, to be switched；Work as electric energy
When quality analysis module 64 calculates the supply line for arriving stand-by power supply circuit better than work at present, then stand-by power supply line is controlled first
Road be connected, so that stand-by power supply is incorporated into power bus 44, through after a period of time (such as 20ms) after control work at present again
Supply line disconnects；When the calculating of power quality analysis module 64 is equal to the supply line of work at present and stand-by power supply circuit
When not being inconsistent standardization, then the line conduction first where control reserve battery 43, controls through (such as 20ms) after a period of time and works as again
The supply line of preceding work disconnects, and generates corresponding warning message.Warning message is sent to remote service through network module 61
The staff of device 70,70 end of remote server has found that warning message can take corresponding solution.
It should be noted that the supply line of above-mentioned work at present and stand-by power supply circuit can refer to the first power supply 41 or the
Which of circuit where two power supply 42, but be not appointed as the first power supply 41 and second source 42.As long as that is,
During one power supply 41 or second source 42 (such as the first power supply 41) are currently operating, where circuit be thus referred to as work at present
Supply line, and it is another do not have in harness power supply (second source 42) where circuit be then referred to as stand-by power supply circuit.
In an embodiment of the present invention, as shown in fig. 6, master controller 60 further comprises I/O interfaces 65.As shown in figure 8,
Power supply cabinet further comprises that the first check diode D1 and first being set between the first power supply 41 and power bus 44 is straight
Flow contactor K1, the second check diode D2 and the second D.C. contactor being set between second source 42 and power bus 44
K2, and the third check diode D3 and third D.C. contactor K3 that are set between reserve battery 43 and power bus 44.
The instruction control I/O interfaces 65 that master controller 60 can be sent out according to power quality analysis module 64 generate corresponding drive signal,
To drive the first D.C. contactor K1, being turned on or off for the second D.C. contactor K2 and third D.C. contactor K3 to control respectively
Make the working condition of the first power supply 41, second source 42 and reserve battery 43.
In an embodiment of the present invention, reserve battery 43 is 28V/10.4Ah lithium battery groups, and power supply cabinet can be maintained normal
Work 1 hour or more, it can in the case where the power quality of the first power supply 41 and second source 42 is all undesirable to ensure that
Power supply is kept in a short time, enhances the safety and reliability of power supply.
In an embodiment of the present invention, it as shown in figure 8, general supply 40 further comprises battery charging management module 45, uses
It is managed in the charge and discharge of reserve battery 43.In one embodiment, when the voltage of reserve battery 43 is less than preset electricity
When pressing threshold value (such as 97.6% of charging voltage), battery charging management module 45 automatically charges to reserve battery 43；When
The charging current of reserve battery 43 is less than preset current threshold (such as 25mA) or the charging time is more than preset time threshold
When (such as 5 hours), then battery charging management module 45 stops charging to reserve battery 43.In one embodiment, main control
Device 60 can read the charging and discharging state of reserve battery 43 by I/O interfaces 65.
In an embodiment of the present invention, master controller 60 is set time in power-up initializing stage and remote server 70,
To obtain the clock synchronous with remote server 70, while clock can be synchronized to failure connected to it and recorded by master controller 60
Wave apparatus 80 and voltage output module 30, so fault wave recording device 80 is determined by master controller 60 and remote server 70
Phase clock synchronization obtains corresponding timing node.
Power supply cabinet provided in an embodiment of the present invention not only supports the redundant configuration of power supply by the way that two power supplys are arranged, and
And the fault wave recording device 80 added, by coordinating with the power quality analysis module 64 in master controller 60, computable analysis is worked as
The supply line of preceding work and more preferably selecting in stand-by power supply circuit, corresponding supply lines is switched to control general supply 40
Road works, and improves the quality of power supply supply.And the general supply in the embodiment of the present invention further includes reserve battery so that
It, can be into when supply line where power quality analysis module 64 is judged as the first power supply 41 and second source 42 is all undesirable
Supply line where one step control general supply 40 is switched to reserve battery 43 works, and further ensures system work
Security reliability and high-performance.In addition, it is directed to higher hamonic wave, the interference waveform that fault wave recording device 80 passes through acquisition input voltage
And binding time node is packaged is sent to 70 history of forming data file of remote server together so that when staff can pass through
Interference waveform and communication apparatus operation troubles are associated by intermediate node, to be provided for analysis system operation irregularity and failure
Important evidence.
In an embodiment of the present invention, as shown in Figure 6 and Figure 8, power supply cabinet further comprises active filter 90.This has
Source filter 90 is mountable to the inside of chassis shell body 10, for being compensated to harmonic wave caused by general supply 40.In this reality
It applies in example, active filter 90 is two, is designed using parallel connection type.Two active filters 90 are respectively arranged at the first power supply 41
In the supply line at place and the supply line where second source 42, load is respectively the first power supply 41 and second source
42。
In one embodiment, the input voltage of the first power supply 41 and second source 42 is 220V AC, and output power is
300W, power-efficient 95%.The load current I of active filter 90 can be calculated according to the above parameterLoad current=300W/
220V/95%=1.43A.Usually, communication apparatus recommends Harmonics of Input component (Total Harmonic
Distortion of current on input, THDI) representative value be 35%, then can obtain harmonic current IHarmonic current=
ILoad current* THDI=1.43A*35%=0.5A, therefore can be by the Capacity design of active filter 90 at more than 0.5A (such as 1A)
It meets the requirements.3 times, 5 times, 7 times and 11 subharmonic that the active filter 90 can generate the first power supply 41 and second source 42
It compensates, at most can compensate for 20 subharmonic currents, to solve harmonic pollution problems, communication system is allow to stablize, pacify
Entirely, it reliably runs.
Those of ordinary skill in the art may realize that, each exemplary module of the embodiments described herein description,
It can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually with hardware or soft
Part mode executes, and depends on the specific application and design constraint of technical solution.Professional technician can be to each spy
Fixed application uses different methods to achieve the described function, but this realizes it is not considered that the model beyond the present invention
It encloses.
In addition, each function module in each embodiment of the present invention can be integrated in a processing module, it can also
That modules physically exist alone, can also two or more modules be integrated in a module.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Within god and principle, made by any modification, equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of power supply cabinet, which is characterized in that including：
Chassis shell body；
Can be in the installation pallet of the chassis shell body internal slide, the installation pallet includes general mounting hole；
The voltage output module being set on the installation pallet, is used for the adjustable voltage of output mode；And
It is set to inside the chassis shell body, the general supply of input voltage is provided for the voltage output module.
2. power supply cabinet according to claim 1, which is characterized in that the installation pallet includes the first tray unit and more
A second tray unit, the general supply are installed on first tray unit, every in the multiple second tray unit
A voltage output module is each provided on a second tray unit, the power supply cabinet further comprises being set to described
PCB inside chassis shell body, first tray unit and the multiple second tray unit respectively by connector with it is described
PCB is electrically connected, and the PCB includes power bus, and the general supply is that the voltage output module carries by the power bus
For input voltage.
3. power supply cabinet according to claim 2, which is characterized in that the voltage output module include micro-control unit with
And be respectively connected to the power supply chip of the micro-control unit, pressure regulation button and display charactron, the micro-control unit according to
The pressing mode of the pressure regulation button automatically identifies selected voltage output pattern, controls the power supply chip according to being known
The voltage output pattern output voltage not gone out, and control the current selected voltage output valve of display numeral method.
4. power supply cabinet according to claim 3, which is characterized in that the voltage output module further comprises that simulation is opened
It closes, the micro-control unit regulates and controls the power supply chip by analog switch and exports electricity according to selected voltage output pattern
Pressure, during regulation and control, shows that charactron shows the current choosing in a flashing manner described in the micro-control unit controls
The voltage output value selected；When the regulation and control are completed, show charactron in a normal way described in the micro-control unit controls
It shows the current selected voltage output valve, and acquires the actual voltage value that the power supply chip currently exports, if described work as
The actual voltage value of preceding output is equal with the current selected voltage output valve, power supply core described in the micro-control unit controls
Piece starts to power outward, if unequal, power supply chip described in the micro-control unit controls does not power and generates alarm signal outward
Breath.
5. power supply cabinet according to claim 4, which is characterized in that the micro-control unit is further used for working as the electricity
When source chip starts to power outward, the pressure regulation button is locked.
6. power supply cabinet according to claim 3, which is characterized in that further comprise integrated master control on the pcb
Device processed, the master controller include power supply monitoring module, network module and internal communication bus, and the micro-control unit is further
For acquiring and handling the voltage and current data when work of the communication apparatus on its corresponding second tray unit, and will acquisition
Initial data and be sent to the power supply monitoring module through the internal communication bus through handling obtained processing data, it is described
The initial data and the processing data that power supply monitoring module is used to transmit the micro-control unit are through the network mould
Block is sent to remote server, and is corresponding second support of the micro-control unit according to the data of remote server passback
Communication apparatus on disk unit individually establishes an electricity consumption situation database.
7. power supply cabinet according to claim 6, which is characterized in that the power supply monitoring module is further used for will be described
The initial data of micro-control unit transmission and the data in the corresponding electricity consumption situation database of the processing data into
Row compares, and judges the working condition of the corresponding voltage output module of the micro-control unit according to comparison result and is uploaded to described
Remote server, and command adapted thereto is sent out to the micro-control unit according to judging result.
8. power supply cabinet according to claim 7, which is characterized in that the processing data include through Fast Fourier Transform (FFT)
The abnormal frequency data obtained after processing and the mean data obtained after the processing of averaged value；Number in institute's electricity consumption situation database
According to including the communication apparatus be respectively at full capacity, flat peak, it is standby when operating voltage data and current data and work it is different
The abnormal frequency data obtained after Chang Shijing Fast Fourier Transform (FFT)s processing；Described instruction includes controlling the voltage output module
Continue voltage output, cut-in voltage output and the instruction for stopping voltage output.
9. power supply cabinet according to claim 2, which is characterized in that further comprise master controller and failure wave-recording dress
It sets, the master controller includes power quality analysis module and internal communication bus, and the general supply includes the first power supply and the
Two power supplys, the fault wave recording device are used to acquire the input voltage of first power supply and the second source respectively to obtain
The respective time domain data of duplex feeding circuit does Fast Fourier Transform (FFT) to collected two-way input voltage and handles to obtain respectively
The respective frequency domain data of duplex feeding circuit, and the packing of the time domain data, the frequency domain data and timing node is passed through into institute
It states internal communication bus and is sent to the master controller；The power quality analysis module is by calculating the fault wave recording device
Transmission the time domain data and the frequency domain data select more excellent supply line, and control the general supply seamlessly switch to compared with
Excellent supply line works.
10. power supply cabinet according to claim 9, which is characterized in that the master controller further comprises network module,
The general supply further comprises reserve battery, when the supply line of the power quality analysis module calculating to work at present is excellent
When stand-by power supply circuit, controls the general supply and do not do and switch；When the power quality analysis module is calculated to stand-by power supply
When circuit is better than the supply line of work at present, stand-by power supply line conduction is controlled first, then control the supply lines of work at present
Road disconnects；Mark is not met when the power quality analysis module is calculated to the supply line of work at present and stand-by power supply circuit
On time, the line conduction where the reserve battery is controlled first, then controls supply line's disconnection of work at present, and generates phase
The warning message answered is sent to remote server through the network module.
11. power supply cabinet according to claim 10, which is characterized in that further comprise being set to first power supply and
The first check diode and the first D.C. contactor between the power bus are set to the second source and the power supply
The second check diode and the second D.C. contactor between bus and it is set to the reserve battery and the power bus
Between third check diode and third D.C. contactor, the master controller further comprise that I/O interfaces, the I/O connect
Instruction of the mouth for being sent out according to the power quality analysis module controls first D.C. contactor, second direct current connects
Tentaculum and the third D.C. contactor are turned on or off to control first power supply, the second source and described respectively
The working condition of reserve battery.
12. power supply cabinet according to claim 11, which is characterized in that the general supply further comprises battery charging valve
Module is managed, for being managed to the charge and discharge of the reserve battery, when the voltage of the reserve battery is less than preset voltage
When threshold value, charge automatically to the reserve battery；When the charging current of the reserve battery is less than preset current threshold
Or the charging time be more than preset time threshold when, stop to the reserve battery charge；The I/O interfaces are further used for reading
Take the charging and discharging state of the reserve battery.
13. power supply cabinet according to claim 9, which is characterized in that the fault wave recording device passes through the main control
Device obtains the timing node synchronous with the remote server with the regular clock synchronization of remote server.
14. power supply cabinet according to claim 9, which is characterized in that further comprise two active filters, it is therein
Each active filter is respectively set to the supply line where first power supply and the supply line where the second source,
It is respectively used to compensate the harmonic current that first power supply and the second source generate.
15. the power supply cabinet according to claim 2 to 14 any one, which is characterized in that further comprise being set to institute
State the radiator at chassis shell body back；It is described for plugging including being correspondingly arranged on the upper casing and lower casing of the chassis shell body
The multipair sliding rail of pallet is installed；The installation pallet further comprises the connector that hot plug is connect and supported with the PCB；Institute
Voltage output module is stated to be set on the front panel of the installation pallet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157216.7A CN108336893B (en) | 2018-02-24 | 2018-02-24 | Power supply machine box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157216.7A CN108336893B (en) | 2018-02-24 | 2018-02-24 | Power supply machine box |
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| Publication Number | Publication Date |
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| CN108336893A true CN108336893A (en) | 2018-07-27 |
| CN108336893B CN108336893B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810157216.7A Active CN108336893B (en) | 2018-02-24 | 2018-02-24 | Power supply machine box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109526176A (en) * | 2018-12-05 | 2019-03-26 | 中航光电科技股份有限公司 | A kind of boosting, which helps, pulls out airborne electronic equipment mounting structure |
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| Publication number | Publication date |
|---|---|
| CN108336893B (en) | 2020-06-19 |
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