CN206759148U - A kind of DVS intelligent electric power managements device - Google Patents
A kind of DVS intelligent electric power managements device Download PDFInfo
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- CN206759148U CN206759148U CN201720396717.1U CN201720396717U CN206759148U CN 206759148 U CN206759148 U CN 206759148U CN 201720396717 U CN201720396717 U CN 201720396717U CN 206759148 U CN206759148 U CN 206759148U
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Abstract
The utility model proposes a kind of DVS intelligent electric power managements device, the DVS intelligent electric power managements device includes PWM boost modules, capacitance energy storage module, inversion output module, the first sampling module, DSP control module, dual power supply handover module, the second sampling module, the 3rd sampling module, the 4th sampling module, human-computer interface module and Background communication module, described dual power supply handover module one end connects electrical equipment, the other end selectively connection power network or the inversion output module;When power network electric signal is normal, the dual power supply handover module connects power network, and when power network electric signal breaks down, the dual power supply handover module connects the inversion output module.DVS intelligent electric power managements device of the present utility model abandons battery charging, and by the way of capacitance energy storage, the life-span is longer and Maintenance free;The DVS intelligent electric power managements device according to the civil power quality intelligent in power network, supper-fastly can switch in electric network state and inverter mode, and Energy Efficiency Ratio is high.
Description
Technical field
Grid equipment field is the utility model is related to, especially a kind of DVS intelligent electric power managements device.
Background technology
With the rapid development of the national economy, power electronic product is largely used to modern industry control field, many electric power
Electronic equipment have left power network and can not also work, and the arm's length standard civil power that general electric power system is supplied is sinusoidal waveform (reference chart
1A), however electric power can be run into the transmitting procedure of reality many problems or power supply source it is unstable so as to causing supplied city
Electricity is non-standard civil power (with reference to figure 1B), and electrical equipment runs work under non-standard civil power can cause reduced lifetime even equipment
Scrap, " flickering " the electricity quality distortion phenomenon frequently occurred in such as power network, cause to use electric fault to electrical equipment, gently then equipment
Restart row etc., electrical equipment can be damaged when serious.
In view of the above-mentioned problems, the on line type UPS (uninterrupted power source) that in the market occurs, logical regardless of power grid quality
Cross and continue uninterruptedly to charge to battery by the civil power in power network, then the civil power of standard is provided by battery, though this method
The civil power of more standard can be so provided to electrical equipment, but in the case where power grid quality is good, on line type UPS is not (between
Power-off source) lasting inverter mode (being charged to battery, then by battery discharging) is also at, so as to cause the unrestrained without reason of electric energy
Take, Energy Efficiency Ratio is relatively low;And off-line UPS (uninterrupted power source) intervention time reaches more than 10ms, response speed is slow, it is impossible to meets essence
The demand of close electricity consumption;And the battery of either online or wireless type UPS (uninterrupted power source) is typically using 1 year
Afterwards, battery needs to be serviced, and maintenance cost is high.
Therefore, the utility model provides a kind of DVS intelligent electric power managements device, and the DVS intelligent electric power management devices are abandoned
Battery charges, and by the way of capacitance energy storage, the life-span is longer and Maintenance free;The DVS intelligent electric power managements device can be with
Civil power quality intelligent in power network, it is supper-fast switch in electric network state and inverter mode, Energy Efficiency Ratio is high.
Utility model content
In order to solve the above problems, the utility model proposes a kind of Energy Efficiency Ratio height, fast response time, Maintenance free, cost
Low DVS intelligent electric power management devices.
What the utility model was achieved through the following technical solutions:
The utility model proposes a kind of DVS intelligent electric power managements device, is electrically connected with power network, the DVS intelligent powers
Managing device include PWM boost modules, capacitance energy storage module, inversion output module, the first sampling module, DSP control module with
And dual power supply handover module;
Described PWM boost modules one end connects power network, and the other end connects the capacitance energy storage module, the PWM boostings mould
The voltage and current signal of power network is carried out boosting rectification by block, and the voltage and current signal after rectification of boosting is passed into the electric capacity
Energy-storage module;The capacitance energy storage module carries out charging energy-storing using the voltage and current signal after rectification of boosting, and by storage
Electric energy is released to the inversion output module;The electric energy that the inversion output module discharges the capacitance energy storage module is changed
For standard civil power;First sampling module is sampled to power network, and the electric signal of sampling is inputted to the DSP and controls mould
Block;Described dual power supply handover module one end connects electrical equipment, the other end selectively connection power network or the inversion output module;
When power network electric signal is normal, the dual power supply handover module connects power network, when power network electric signal breaks down, double electricity
Source handover module connects the inversion output module, so as to ensure that the power supply of electrical equipment is always standard civil power.
Further, the DSP control module is cut according to the sampled data of first sampling module to the dual power supply
Mold changing block sends modulated signal to control the dual power supply handover module selection connection power network or the inversion output module.
Further, the DVS intelligent electric power managements device also includes dc bus module, and the dc bus module is set
Between the capacitance energy storage module and the inversion output module, the dc bus module stores up the capacitance energy storage module
The electrical energy transportation of Tibetan gives the inversion output module.
Further, the DVS intelligent electric power managements device also includes the second sampling module, and second sampling module is set
Between the PWM boost modules and the DSP control module, second sampling module boosts to the PWM boost modules
Voltage and current signal after rectification is sampled.
Further, the DVS intelligent electric power managements device also includes the 3rd sampling module, and the 3rd sampling module connects
The output end of the dc bus is connect, and the electric signal sampling to the output end of the dc bus reaches the DSP and controls mould
Block.
Further, the DSP control module is according to the sampling of second sampling module and the 3rd sampling module
Data send modulated signal to the PWM boost modules.
Further, the DVS intelligent electric power managements device also includes the 4th sampling module, the 4th sampling module one
End connects the inversion output module, and the other end connects the DSP control module, and the 4th sampling module is defeated by the inversion
The electric signal for going out module output end is sampled and sampled data is reached into the DSP control module.
Further, the DSP control module according to the sampled data of the 4th sampling module to the inversion output module
Send modulated signal.
Further, the DVS intelligent electric power managements device also includes human-computer interface module, the human-computer interface module with
DSP control module communicates, and the human-computer interface module is used for the modules work for showing described DVS intelligent electric power management devices
Make the parameter of state, the parameter waveform of each index and input setting.
Further, the DVS intelligent electric power managements device also includes Background communication module, the Background communication module with
The human-computer interface module, DSP control module communication, the Background communication module are used to store the human-computer interface module
With the data of the DSP control module.
The beneficial effects of the utility model:
DVS intelligent electric power managements device of the present utility model abandons the charge mode of battery, and uses capacitance energy storage
Mode, the life-span is longer and Maintenance free;The DVS intelligent electric power managements device can according to the civil power quality intelligent in power network
It is switched fast in electric network state and inverter mode, fast response time, does not cause the waste without reason of electric energy, Energy Efficiency Ratio is high, and not shadow
Ring the normal work of electrical equipment.
Brief description of the drawings
Figure 1A is the ideal waveform schematic diagram of the mains electricity in power network;
Figure 1B is the actual waveform schematic diagram of the mains electricity in power network;
Fig. 2-Fig. 3 is the theory diagram of DVS intelligent electric power managements device modules of the present utility model;
Fig. 4-Fig. 7 is the circuit theory schematic diagram of DVS intelligent electric power managements device of the present utility model.
Embodiment
In order to it is clearer, completely illustrate the technical solution of the utility model, below in conjunction with the accompanying drawings to the utility model
It is described further.
Fig. 2-Fig. 3 is refer to, the utility model proposes a kind of DVS intelligent electric power managements device, the DVS intelligent powers pipe
Managing device includes PWM boost modules 10, capacitance energy storage module 30, inversion output module 120, the first sampling module 20, DSP controls
Module 50, dual power supply handover module 130, the second sampling module 60, the 3rd sampling module 70, the 4th sampling module 100, man-machine boundary
Face mould block 80 and Background communication module 90.
Fig. 5 is refer to, described one end of PWM boost modules 10 connects power network, and the other end connects the capacitance energy storage module 30,
The voltage and current signal of power network is carried out boosting rectification by the PWM boost modules 10, and the voltage x current after rectification of boosting is believed
Number pass to the capacitance energy storage module 30.
In the present embodiment, the civil power in general power network is 220V alternating current, and the PWM boost modules 10 are to power network
In civil power carry out boosting rectification, by 220V alternating current be converted to 0~350V adjustable DC electricity.
Fig. 6-Fig. 7 is refer to, the capacitance energy storage module 30 is charged using the voltage and current signal after rectification of boosting
Energy storage, and the electric energy of storage is released to the inversion output module 120;The inversion output module 120 stores up the electric capacity
The electric energy that energy module 30 discharges is converted to standard civil power.
In the present embodiment, the capacitance energy storage module 30 receives 0~350V's that the PWM boost modules 10 export
Adjustable DC electricity is charged, and energy storage is carried out in a manner of electric capacity, compared to traditional lead-acid accumulator, the side of capacitance energy storage
Formula possesses Maintenance free, and the life-span is longer, and traditional lead-acid accumulator is bulky, weight is big, safeguards difficult, cost
Greatly, the small volume of capacitance energy storage module 30 of the present utility model, in light weight, easier for installation, and the cost of Maintenance free.
In the present embodiment, the electric energy inversion that the inversion output module 120 stores the capacitance energy storage module 30
Conversion, and export the alternating current of the civil power, i.e. 220V, 50HZ of stable standard power network.
Fig. 4 is refer to, first sampling module 20 is sampled to power network, and the electric signal of sampling is inputted to described
DSP control module 50;Described one end of dual power supply handover module 130 connects electrical equipment 110, the other end selectively connection power network or
The inversion output module 120:When power network electric signal is normal, the dual power supply handover module 130 connects power network, when power network electricity
When signal breaks down, the dual power supply handover module 130 connects the inversion output module 120;The DSP control module 50
Modulated signal is sent to the dual power supply handover module 130 according to the sampled data of first sampling module 20 with described in controlling
The selection of dual power supply handover module 130 connection power network or the inversion output module 120, so as to ensure the power supply of electrical equipment 110
It is always standard civil power.
Particularly, parameter of first sampling module 20 to the civil power in power network --- voltage, electric current, power because
Element, harmonic wave etc. carry out data sampling, and these sampled datas are transmitted to the DSP control module 50, the DSP control module
50 pairs of these sampled datas are analyzed, so as to judge whether the civil power in power network is normal;When the DSP control module 50 judges
When civil power in power network is normal, the DSP control module 50 controls the dual power supply handover module 130 to connect power network, now
City in power network supplies electricity to electrical equipment 110 and powered;When the DSP control module 50 judges civil power in power network to be abnormal,
The DSP control module 50 controls the dual power supply handover module 130 to connect the inversion output module 120, and now electricity consumption is set
Standby 110 alternating currents exported by the inversion output module 120 are powered.
In the present embodiment, the DSP control module 50 controls the dual power supply handover module 130 to switch over connection
Time be less than 1ms;When power network is problematic, the high speed of dual power supply handover module 130 switches to inversion AC-powered;
When power network is normal, the dual power supply handover module 130 switches back at a high speed power network again, reaches the effect of quick response, and will not hinder
The operation of disconnected electrical equipment 110, the normal work of electrical equipment 110 is not influenceed, compared to the existing off-line UPS of in the market
(uninterrupted power source) intervention time reaches more than 10ms, and DVS intelligent electric power managements device of the present utility model meets accurate electricity consumption
Demand.
In the present embodiment, after the capacitance energy storage module 30 is fully charged, the capacitance energy storage module 30 is in and treated
Machine SBR, does not consume energy substantially;It is logical regardless of power grid quality compared to existing on line type UPS (uninterrupted power source)
Cross and continue uninterruptedly to charge to battery by the civil power in power network, then the civil power of standard is provided by battery, though this method
The civil power of more standard can be so provided to electrical equipment 110, but in the case where power grid quality is good, on line type UPS is (no
Uninterruptible power) lasting inverter mode (being charged to battery, then by battery discharging) is also at, so as to cause electric energy without reason
Waste, DVS intelligent electric power managements device of the present utility model does not cause the waste without reason of electric energy, green safe, and Energy Efficiency Ratio is high.
Further, the DVS intelligent electric power managements device also includes dc bus module 40, the dc bus module
40 are located between the capacitance energy storage module 30 and the inversion output module 120, and the dc bus module 40 is by the electricity
Hold the electrical energy transportation that energy-storage module 30 is stored and give the inversion output module 120.
In the present embodiment, the dc bus module 40 has high power factor (PF), the operation of permission Fraquent start, harmonic wave
Relatively low, the features such as power consumption efficiency is high, set direct current female between the capacitance energy storage module 30 and the inversion output module 120
Wire module 40 so that the more efficient, peace when the capacitance energy storage module 30 is transmitting electric energy to the inversion output module 120
Entirely, stably, the Energy Efficiency Ratio of DVS intelligent electric power managements device of the present utility model is further lifted.
Further, the DVS intelligent electric power managements device also includes the second sampling module 60, second sampling module
60 are located between the PWM boost modules 10 and the DSP control module 50, and second sampling module 60 is to the PWM liters
Voltage and current signal after the boosting rectification of die block 10 is sampled;The DVS intelligent electric power managements device is also adopted including the 3rd
Egf block 70, the 3rd sampling module 70 connect the output end of the dc bus, and to the output end of the dc bus
Electric signal sampling reach the DSP control module 50;The DSP control module 50 is according to second sampling module 60 and institute
The sampled data for stating the 3rd sampling module 70 sends modulated signal to the PWM boost modules 10.
Particularly, second sampling module 60 is in the electric signal after the PWM boost modules 10 boosting rectification
The parameters such as voltage, electric current carry out data sampling collection, output of the 3rd sampling module 70 to the dc bus output end
Electric signal carries out data sampling, and second sampling module 60, the 3rd sampling module 70 are by the data transfer each sampled to institute
DSP control module 50 is stated, when the DSP control module 50 detects what the PWM boost modules 10 exported from sampled data
When voltage, current signal are bigger than setup parameter, the DSP control module 50 sends modulated signal to the PWM boost modules 10
The output signal for rectification of boosting is turned down and complies with setup parameter, voltage, the current signal ratio of the dc bus output are set
Determine parameter it is big when, the DSP control module 50 the PWM boost modules 10 are sent modulated signal by boost rectification output believe
Number turn down and to comply with setup parameter;When the DSP control module 50 detects the PWM boost modules 10 from sampled data
Voltage, the current signal of output send tune than setup parameter hour, the DSP control module 50 to the PWM boost modules 10
The output signal for rectification of boosting is tuned up and complies with setup parameter by signal processed, voltage, the electric current letter of the dc bus output
Number than setup parameter hour, the DSP control module 50 sends modulated signal to the PWM boost modules 10 by rectification of boosting
Output signal, which tunes up, complies with setup parameter.
In the present embodiment, when the sampled data of the 3rd sampling module 70 occurs abnormal, the DSP controls mould
Block 50 sends modulated signal to adjust the output signal of PWM boost modules 10 to the PWM boost modules 10, and the PWM
The output signal of boost module 10 is the input electrical signal that the capacitance energy storage module 30 is charged, the PWM boost modules 10
Output signal is once normal, the capacitance energy storage module 30 can also normal work, the capacitance energy storage module 30 exports
Electric signal to the dc bus module 40 is also adjusted to normal.
In the present embodiment, made using the DSP control module 50, the second sampling module 60, the 3rd sampling module 70
Obtain and can be changed from power network civil power to dc bus output signal according to the parameter of setting, and instance sample is monitored,
Response speed is ultrafast, on the one hand ensures the normal energy storage of the energy of capacitance energy storage module 30, makes modules normal work, stablize defeated
Go out, on the other hand in the case of modules normal work, the working life of modules can be longer, reaches and improves this practicality
The purpose in the life-span of new DVS intelligent electric power management devices.
Further, the DVS intelligent electric power managements device also includes the 4th sampling module 100, the 4th sampling mould
The one end of block 100 connects the inversion output module 120, and the other end connects the DSP control module 50, the 4th sampling module
The electric signal of the output end of inversion output module 120 is sampled and sampled data is reached into the DSP control module by 100
50;The DSP control module 50 sends tune according to the sampled data of the 4th sampling module 100 to the inversion output module 120
Signal processed.
In the present embodiment, the 4th sampling module 100 is carried out to the output signal of the inversion output module 120
Sampling, and by the data transfer of sampling to the DSP control module 50, once find that sampled data has exception, the DSP controls
Module 50 sends modulated signal to the inversion output module 120, makes the civil power of the outputting standard of inversion output module 120,
Monitoring in real time, response are rapid.
Further, the DVS intelligent electric power managements device also includes human-computer interface module 80, the human-computer interface module
80 communicate with DSP control module 50, and the human-computer interface module 80 is used to show each of described DVS intelligent electric power management devices
The parameter of individual module working condition, the parameter waveform of each index and input setting.
In the present embodiment, modules can clearly be observed by the human-computer interface module 80, user
The parameter waveform figure of signal transmission situation between working condition, and modules;User can also be in the man-machine interface mould
The parameter of setting is inputted on block 80, the DSP control module 50 is according to the parameter of setting to first sampling module 20, second
Sampling module 60, the data of 100 sample collections of the 3rd sampling module 70 and the 4th sampling module judge, so that the DSP is controlled
Molding block 50 makes regulation and control.
Further, the DVS intelligent electric power managements device also includes Background communication module 90, the Background communication module
90 communicate with the human-computer interface module 80, the DSP control module 50, and the Background communication module 90 is used to store the people
The data of machine interface module 80 and the DSP control module 50.
In the present embodiment, the Background communication module 90 stores the human-computer interface module 80 and DSP controls
The data of module 50, human-computer interface module 80 is on the one hand caused not have to because internal memory is full to cause the work of human-computer interface module 80
Make efficiency reduction, be on the other hand advantageous to transfer the working condition of DVS intelligent electric power managements device of the present utility model in the past and
State, it is easy to investigate failure.
Certainly, the utility model can also have other numerous embodiments, based on present embodiment, the ordinary skill of this area
Personnel obtain other embodiment on the premise of any creative work is not made, and belong to the utility model and are protected
Scope.
Claims (10)
1. a kind of DVS intelligent electric power managements device, it is electrically connected with power network, it is characterised in that the DVS intelligent electric power managements dress
Put including PWM boost modules, capacitance energy storage module, inversion output module, the first sampling module, DSP control module and double electricity
Source handover module;
Described PWM boost modules one end connects power network, and the other end connects the capacitance energy storage module, and the PWM boost modules will
The voltage and current signal of power network carries out boosting rectification, and the voltage and current signal after rectification of boosting is passed into the capacitance energy storage
Module;The capacitance energy storage module carries out charging energy-storing using the voltage and current signal after rectification of boosting, and by the electric energy of storage
It is released to the inversion output module;The electric energy that the capacitance energy storage module discharges is converted to mark by the inversion output module
Quasi- civil power;First sampling module is sampled to power network, and the electric signal of sampling is inputted to the DSP control module;
Described dual power supply handover module one end connects electrical equipment, the other end selectively connection power network or the inversion output module;When
When power network electric signal is normal, the dual power supply handover module connects power network, when power network electric signal breaks down, the dual power supply
Handover module connects the inversion output module, so as to ensure that the power supply of electrical equipment is always standard civil power.
2. DVS intelligent electric power managements device according to claim 1, it is characterised in that the DSP control module is according to institute
The sampled data for stating the first sampling module sends modulated signal to control the dual power supply to switch to the dual power supply handover module
Module selection connection power network or the inversion output module.
3. DVS intelligent electric power managements device according to claim 1, it is characterised in that the DVS intelligent electric power managements dress
Putting also includes dc bus module, the dc bus module located at the capacitance energy storage module and the inversion output module it
Between, the electrical energy transportation that the dc bus module stores the capacitance energy storage module gives the inversion output module.
4. DVS intelligent electric power managements device according to claim 3, it is characterised in that the DVS intelligent electric power managements dress
Putting also includes the second sampling module, second sampling module located at the PWM boost modules and the DSP control module it
Between, second sampling module samples to the voltage and current signal after PWM boost modules boosting rectification.
5. DVS intelligent electric power managements device according to claim 4, it is characterised in that the DVS intelligent electric power managements dress
Putting also includes the 3rd sampling module, and the 3rd sampling module connects the output end of the dc bus, and female to the direct current
The electric signal sampling of the output end of line reaches the DSP control module.
6. DVS intelligent electric power managements device according to claim 5, it is characterised in that the DSP control module is according to institute
The sampled data for stating the second sampling module and the 3rd sampling module sends modulated signal to the PWM boost modules.
7. DVS intelligent electric power managements device according to claim 1, it is characterised in that the DVS intelligent electric power managements dress
Putting also includes the 4th sampling module, the 4th sampling module one end connection inversion output module, described in other end connection
The electric signal of the inversion output module output end is sampled and will sampling by DSP control module, the 4th sampling module
Data reach the DSP control module.
8. DVS intelligent electric power managements device according to claim 7, it is characterised in that the DSP control module is according to
The sampled data of four sampling modules sends modulated signal to the inversion output module.
9. DVS intelligent electric power managements device according to claim 1, it is characterised in that the DVS intelligent electric power managements dress
Putting also includes human-computer interface module, and the human-computer interface module communicates with DSP control module, and the human-computer interface module is used to show
Show the described modules working condition of DVS intelligent electric power management devices, the parameter waveform of each index and input setting
Parameter.
10. DVS intelligent electric power managements device according to claim 9, it is characterised in that the DVS intelligent electric power managements
Device also includes Background communication module, and the Background communication module is led to the human-computer interface module, the DSP control module
News, the Background communication module are used for the data for storing the human-computer interface module and the DSP control module.
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Cited By (1)
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CN108736565A (en) * | 2017-04-14 | 2018-11-02 | 深圳市科立恒电子有限公司 | A kind of DVS intelligent electric power managements device |
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CN108736565A (en) * | 2017-04-14 | 2018-11-02 | 深圳市科立恒电子有限公司 | A kind of DVS intelligent electric power managements device |
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Granted publication date: 20171215 Termination date: 20200414 |
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