CN206076963U - A kind of energy-conservation detecting system of secondary cell - Google Patents
A kind of energy-conservation detecting system of secondary cell Download PDFInfo
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- CN206076963U CN206076963U CN201621086802.XU CN201621086802U CN206076963U CN 206076963 U CN206076963 U CN 206076963U CN 201621086802 U CN201621086802 U CN 201621086802U CN 206076963 U CN206076963 U CN 206076963U
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Abstract
A kind of energy-conservation detecting system of secondary cell that this utility model is provided, including electrical network, AC DC two-way changing units, FlyBack isolation two-way changing unit, Buck/Boost DC DC two-way changing units, tested battery and DSP control devices.This utility model isolates two-way changing unit, AC DC two-way changings units and electrical network to adjust the unbalanced part of tested charging, discharging electric batteries energy by the FlyBack, both energy needed for can providing or supplement to rechargeable battery is provided, battery discharging energy can be fed back in electrical network again, the effect of environmental protection and energy saving is reached, the utilization rate of electric energy is improved;The state of the working condition and the tested battery of monitoring of each converter unit is controlled by DPS control devices, production and the automatization detected is realized.
Description
Technical field
This utility model is related to secondary cell energy-conservation charge and discharge electro-technical field, the energy-conservation inspection of more particularly to a kind of secondary cell
Examining system.
Background technology
Secondary cell in process of production, needs to carry out battery chemical conversion and two steps of partial volume, will be packaged together
Chemical material be transformed into real battery, and judge the capacity of battery, and screened and sorted out.
In prior art, most of enterprise is, by the way of linear-charging and linear discharge, during charging, to use linear DC
Regulated power supply is input into electric energy from electrical network, and battery is charged;During electric discharge, the energy content of battery is put into into resistance, heating loss falls, together
When also need to be lost power grid energy, this kind of mode consumes energy larger, and production cost is high.
A kind of method of energy-conservation is exactly to be charged by charger, is discharged by the inverter that discharges during electric discharge, should
Method realizes energy-conservation, but as system contains charging and discharging part, hardware is relative complex, and equipment cost is high, while dimension
Shield difficulty is big, although can realize energy-conservation, but could realize sharing as all energy are required for feeding back to electrical network, to electrical network
Impact and affect larger, need repeatedly to convert, and there is certain potential safety hazard, and reduce the shared efficiency of energy.
Therefore, how to develop a kind of secondary cell that is efficient, safe, practical, cost-effective, being suitable for the disturbance of line voltage wide scope
Energy-conservation detecting system be those skilled in the art's urgent need to resolve problem.
The content of the invention
In order to solve above-mentioned technical problem, this utility model provide it is a kind of it is safe, practical, cost-effective, be suitable for electricity
The energy-conservation detecting system of the secondary cell of net voltage wide range disturbance.
A kind of energy-conservation detecting system of secondary cell that this utility model is provided, including electrical network, AC-DC two-way changing lists
Unit, FlyBack isolation two-way changing units, Buck/Boost DC-DC two-way changing units, tested battery, DSP control devices.
The tested battery connects the Buck/Boost DC-DC two-way changing units, the Buck/Boost DC-DC two-way changings
Unit isolates the connection of two-way changing unit by common DC bus with the FlyBack, and the FlyBack isolates two-way changing
Unit is connected with the AC-DC two-way changings unit, and the AC-DC two-way changings unit connects the electrical network, the DSP controls
Device connects the AC-DC reversible transducers, FlyBack isolation two-way changing units, Buck/BoostDC-DC reversible transducers
With tested battery.
Preferably, the Buck/Boost DC-DC two-way changings unit be with the quantity of the tested battery it is N number of, its
Middle N is the positive integer more than 1.
Preferably, the Buck/BoostDC-DC reversible transducers include Buck/Boost changers major loop and Buck/
Boost control circuits, the Buck/Boost changers major loop include Buck circuits and Boost circuit.
Preferably, the AC-DC two-way changings unit include two-way full-bridge rectification high frequency conversion unit, the first inductance,
Two inductance, the 3rd inductance and electrochemical capacitor C1.
Preferably, the DSP control devices include dsp controller, isolation drive unit, power network monitoring phase locking unit, electricity
Cell voltage detector unit.
Preferably, the isolation drive unit, power network monitoring phase locking unit, battery supply detector unit are controlled with the DSP
It is electrical isolation between device processed.
Preferably, the FlyBack isolation two-way changing unit includes inductive transformer T1, audion Q7 and audion
Q8。
A kind of energy-conservation detecting system of secondary cell that this utility model is provided, both can fill to battery as charger
Electricity, can feed back to the electricity of battery in electrical network as discharge equipment again, realize recycling for energy, reach energy-conservation
The effect of environmental protection, reduces enterprise's production capacity, is in electric discharge in another part of charged state when a part of in tested battery
During state, additionally it is possible to energy is realized without electrical network, but carry out the mutual transmission of energy between tested battery so that electric energy
Utilization ratio it is higher, the state of the working condition and the tested battery of monitoring of each converter unit is controlled by DPS control devices, it is real
The automatization for now producing and detecting, realizes more preferable energy-conservation with practicality.
Description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is this utility model circuit connection diagram.
Specific embodiment
In order that those skilled in the art is better understood from the technical solution of the utility model, below in conjunction with the accompanying drawings to this
Utility model is further elaborated.As shown in figure 1, a kind of energy-conservation detecting system of secondary cell of this utility model offer,
Including electrical network, AC-DC two-way changing units, FlyBack isolation two-way changing units, Buck/Boost DC-DC two-way changing lists
First, tested battery, DSP control devices.The tested battery connects the Buck/Boost DC-DC two-way changing units, described
Buck/Boost DC-DC two-way changing units include Buck/Boost changers major loop and Buck/Boost control circuits,
Buck/Boost changer major loops include Buck circuits and Boost circuit, by common DC bus and the FlyBack every
Connect from two-way changing unit, the FlyBack isolation two-way changing unit is connected with the AC-DC two-way changings unit, institute
State AC-DC two-way changings unit and connect the electrical network, the DSP control devices connect the AC-DC reversible transducers,
FlyBack isolation two-way changing units, Buck/BoostDC-DC reversible transducers and tested battery.
Buck/Boost DC-DC two-way changings units are N number of with the quantity of tested battery, and wherein N more than 1 is just
Integer, each Buck/Boost DC-DC two-way changing unit connect each tested battery.
As shown in Fig. 2 the first end of the full-bridge rectification high frequency conversion unit of AC-DC two-way changing units passes through the first inductance
It is connected with electrical network first, the second end is connected with electrical network second by the second inductance, the 3rd end passes through the 3rd inductance and electrical network
Third phase connects, and direct current output positive pole isolates the isolation electricity of two-way changing unit by the positive pole of electrochemical capacitor C1 with FlyBack
The primary side winding connection of sense transformer T1, negative pole are connected with the negative pole of electrochemical capacitor C1, the source electrode of field effect Q3;FlyBack every
The anode of common DC bus, the other end are connect from the vice-side winding positive voltage terminal of the isolation inductive transformer T1 of two-way changing unit
The drain electrode of field effect transistor Q4 is connect, the source electrode of Q4 reconnects the negative terminal of common DC bus;Buck/Boost DC-DC two-way changings
The positive voltage terminal and negative terminal of with electrochemical capacitor C2 one termination common DC bus of unit, the tested battery of with inductance L4 one termination
Positive pole and negative pole;Power network monitoring phase locking unit is connected with electrical network, monitors the electric current and voltage of electrical network, battery voltage detection respectively
Unit connects tested battery, and isolation drive unit connects AC-DC two-way changing units, FlyBack isolation two-way changing lists respectively
Unit and Buck/Boost DC-DC two-way changing units, so as to realize to the control of each converter unit working condition and to tested
The detection of battery, to provide the foundation of partial volume screening.When the battery cell is charged, electric energy Jing after AC-DC two-way changing units by
Buck/Boost DC-DC two-way changings units charge to battery, Jing Buck/Boost DC-DC two-way changing lists during battery discharge
Unit collects to common DC bus, then discharges to electrical network through AC-DC two-way changings unit, realizes feedback of the electric energy to electrical network.
Simultaneously because FlyBack isolates the effect of two-way changing unit, make AC-DC two-way changings unit double with Buck/Boost DC-DC
To converter unit security isolation, and the voltage of stable common DC bus, realize security isolation and adapt to ac grid voltage width
Amplitude disturbance, this utility model are applicable in the electrical network that single-phase input voltage range is AC 85V~265V.
There are three kinds of working methods in the system:
1st, when all tested batteries are all in charged state, energy from electrical network sequentially pass through AC-DC two-way changing units,
FlyBack isolation two-way changing units, Buck/Boost DC-DC two-way changing units, tested battery, i.e. power grid energy are passed through
Charge to tested battery after chemical conversion and partial volume detecting system.
2nd, when all tested batteries are in discharge condition, energy sequentially passes through Buck/Boost DC-DC from tested battery
Two-way changing unit, FlyBack isolation two-way changing units, AC-DC two-way changing units, electrical network, i.e., tested battery discharge energy
Amount is fed back in electrical network after chemical conversion and partial volume detecting system.
3rd, when the tested battery in part is in charged state, and percentage of batteries is in discharge condition, in the quilt of discharge condition
Survey battery and energy is discharged into by common DC bus by Buck/Boost DC-DC two-way changing units, in charged state
Tested battery absorbs the energy on common DC bus by Buck/Boost DC-DC two-way changings unit, that is, charge tested electricity
Pond and the tested battery of electric discharge are by Buck/Boost DC-DC two-way changings units come mutual discharge and recharge.
When tested charging, discharging electric batteries energy is unequal, energy is adjusted by AC-DC two-way changings unit and electrical network
Measure unbalanced part.Wherein, when rechargeable energy is more than discharge energy, supplemented from electrical network by AC-DC two-way changings unit
Part rechargeable energy;When discharge energy is more than rechargeable energy, unnecessary energy is returned to by AC-DC two-way changings unit
In electrical network.
The energy-conservation chemical conversion of secondary cell of the present utility model and partial volume detecting system, realize while carrying out to tested battery
Charging and discharging, both can be charged the battery as charger simultaneously, can be supplied the electricity of battery as discharge equipment again
Rechargeable battery is used or feeds back in electrical network, so as to realize recycling for energy, reaches the effect of energy-conserving and environment-protective, while adopting
Isolate two-way changing unit with FlyBack, make AC ends and DC ends security isolation, and the voltage of stable DC bus, realize safety
Isolation and adaptation ac grid voltage width amplitude disturbance.Charged state is in and another part is in when a part of in tested battery
During discharge condition, additionally it is possible to energy is realized without electrical network, but carry out the mutual transmission of energy between tested battery so that
The utilization ratio of electric energy is higher, more preferable energy-conservation with it is practical.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (7)
1. the energy-conservation detecting system of a kind of secondary cell, it is characterised in that:Including electrical network, AC-DC two-way changing units,
FlyBack isolation two-way changing units, Buck/Boost DC-DC two-way changing units, tested battery, DSP control devices;
The tested battery connects the Buck/Boost DC-DC two-way changing units, and the Buck/Boost DC-DC are two-way
Converter unit isolates the connection of two-way changing unit by common DC bus with the FlyBack, and the FlyBack isolation is two-way
Converter unit is connected with the AC-DC two-way changings unit, and the AC-DC two-way changings unit connects the electrical network, the DSP
Control device connects the AC-DC reversible transducers, FlyBack isolation two-way changing units, the two-way changes of Buck/BoostDC-DC
Parallel operation and tested battery.
2. the energy-conservation detecting system of secondary cell according to claim 1, it is characterised in that:The Buck/Boost DC-
DC two-way changings unit is N number of with the quantity of the tested battery, and wherein N is the positive integer more than 1.
3. the energy-conservation detecting system of secondary cell according to claim 2, it is characterised in that:The Buck/BoostDC-
DC reversible transducers include Buck/Boost changers major loop and Buck/Boost control circuits, the Buck/Boost conversion
Device major loop includes Buck circuits and Boost circuit.
4. the energy-conservation detecting system of secondary cell according to claim 1, it is characterised in that:The AC-DC two-way changings
Unit includes two-way full-bridge rectification high frequency conversion unit, the first inductance, the second inductance, the 3rd inductance and electrochemical capacitor C1.
5. secondary cell energy-conservation detecting system according to claim 1, it is characterised in that:The DSP control devices include
Dsp controller, isolation drive unit, power network monitoring phase locking unit, cell voltage detection unit.
6. secondary cell energy-conservation detecting system according to claim 5, it is characterised in that:The isolation drive unit, electricity
Net monitoring phase locking unit, between battery supply detector unit and the dsp controller be electrical isolation.
7. secondary cell energy-conservation detecting system according to claim 1, it is characterised in that:The FlyBack isolation is two-way
Converter unit includes inductive transformer T1, audion Q7 and audion Q8.
Priority Applications (1)
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CN201621086802.XU CN206076963U (en) | 2016-09-28 | 2016-09-28 | A kind of energy-conservation detecting system of secondary cell |
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CN201621086802.XU CN206076963U (en) | 2016-09-28 | 2016-09-28 | A kind of energy-conservation detecting system of secondary cell |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107994628A (en) * | 2017-10-26 | 2018-05-04 | 深圳市凌康技术股份有限公司 | The battery charging and discharging test circuit and its application method of a kind of automatically equalizing voltage |
-
2016
- 2016-09-28 CN CN201621086802.XU patent/CN206076963U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107994628A (en) * | 2017-10-26 | 2018-05-04 | 深圳市凌康技术股份有限公司 | The battery charging and discharging test circuit and its application method of a kind of automatically equalizing voltage |
CN107994628B (en) * | 2017-10-26 | 2021-10-01 | 深圳市凌康技术有限公司 | Automatic voltage-sharing battery charging and discharging test circuit and use method thereof |
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Granted publication date: 20170405 Termination date: 20190928 |
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CF01 | Termination of patent right due to non-payment of annual fee |