CN207082864U - A kind of DC transformer with Initiative Defense function - Google Patents
A kind of DC transformer with Initiative Defense function Download PDFInfo
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- CN207082864U CN207082864U CN201720637224.2U CN201720637224U CN207082864U CN 207082864 U CN207082864 U CN 207082864U CN 201720637224 U CN201720637224 U CN 201720637224U CN 207082864 U CN207082864 U CN 207082864U
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- battery
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Abstract
The utility model is applied to power converter technical field, there is provided a kind of DC transformer with Initiative Defense function, the DC transformer include：Main control module, sensor sensing module, electric parameter acquisition module, communication module and body power module and IGBT drive module；The main control module communicates to connect with the sensor sensing module, the communication module, the electric parameter acquisition module, the body power module and the IGBT drive module respectively；The utility model realizes that the running temperature to battery body, body battery ambient temperature are acquired by sensor sensing module; realize the communication with energy-storage battery BMS systems; the real time data of energy-storage battery is actively gathered, according to corresponding software control logic so as to realizing Initiative Defense and the protection to energy-storage battery.
Description
Technical field
The utility model belongs to power converter field, there is provided a kind of DC transformer with Initiative Defense function.
Background technology
As the development of solar energy power generating and the utilization of energy storage lithium electricity, DC distribution technology have obtained considerable hair
Exhibition, energy-storage battery particularly lithium ion battery has also obtained extensive and large-scale application in energy-storage system, but lithium is electric
Appoint in energy-storage system application process and many problems or even potential safety hazard so be present, the super-charge super-discharge of lithium electricity, lithium electricity module body
Temperature is too high or can not enter the protection of Initiative Defense and active situations such as environment temperature is too low, causes lithium battery hydraulic performance decline,
Irreversible infringement is caused to lithium battery what is more, or even causes security incident.
Utility model content
The utility model embodiment provides a kind of DC transformer with Initiative Defense function, it is intended to solves DC converter
Device equipment connects photovoltaic power supply device and during lithium battery, and to the super-charge super-discharge of lithium electricity, lithium electricity module body temperature is too high or environment
Situations such as temperature height, carries out the protection of Initiative Defense and active, causes lithium battery hydraulic performance decline, lithium battery is made what is more
Into irreversible infringement, or even the problem of causing security incident.
The utility model provides a kind of DC transformer with Initiative Defense function, and the DC transformer includes：Master control
Module, sensor sensing module, electric parameter acquisition module, communication module and body power module and IGBT drive module；
The main control module gathers mould with the sensor sensing module, the communication module, the electric parameter respectively
Block, the body power module and IGBT drive module communication connection；
Environment where the sensor sensing module is used for the running temperature for sensing body battery and the body battery
Temperature, and environment temperature where the body cell operating temperature and body battery that collect is sent to the master control mould
Block；
The main control module by the body battery temperature and the environment temperature respectively with battery temperature threshold value and environment
Temperature threshold is compared, if the body battery temperature is more than the battery temperature threshold value, controls the body battery to stop
Only discharge, if the environment temperature exceeds environment temperature threshold value, carried out by communication modes and the refrigeration plant of user configuration
Communication, adjust the temperature of refrigeration plant；
The communication module is used to read energy-storage battery group parameter, the energy-storage battery group at energy-storage battery BMS modules
Parameter includes voltage, electric current, power and the running temperature of each energy-storage battery group, and the energy-storage battery group parameter of reading is sent out
Deliver to the main control module；
The main control module according to the energy-storage battery group parameter judge each energy-storage battery group whether excess temperature, overvoltage or mistake
Stream, and control the energy-storage battery group of excess temperature, overvoltage or excessively stream to stop charge or discharge；
Electric parameter acquisition module, for monitoring the electric parameter of dc bus, photovoltaic devices and each battery pack, i.e. direct current
The voltage and electric current of bus, battery pack and photovoltaic devices, the electric parameter of acquisition is sent to the main control module,
IGBT drive module is used for the electricity that photovoltaic devices, energy-storage battery group and dc bus are obtained from the main control module
Pressure, if the voltage of the photovoltaic devices is more than the voltage of the energy-storage battery group, the energy-storage battery group is in charged state, if
The voltage of the energy-storage battery group is more than the voltage of the dc bus, and the energy-storage battery group is in discharge condition.
Body power module, when external equipment breaks down, for giving DC converter itself to provide working power.
Further, the DC transformer also includes：Data memory module, the data memory module and the master control
Module connects；
The data memory module is used for real-time storage DC converter real-time running data, collected by communication module
Energy-storage battery real time data and the dc bus, photovoltaic devices and each battery that are collected by electric parameter acquisition module
The electric parameter of group.
Further, programming port is configured with the DC transformer, the programming port is used to change the DC conversion
The logic control program of device.
By setting body battery and energy-storage battery defence program on DC transformer in the utility model, control is originally
Body battery or energy-storage battery are stopped in the situation of over-voltage and over-current excess temperature, avoid the occurrence of battery performance and decline or battery is caused
Irreversible damage, for the energy-storage battery for having been provided with protection device, second protection can be provided.
Brief description of the drawings
Fig. 1 is the structural representation with Initiative Defense function DC transformer that the utility model embodiment provides；
Fig. 2 is the plug-in contacts schematic diagram for the battery protecting apparatus that the utility model embodiment provides；
1. sensor sensing module, 2. main control modules, 3. communication modules, 4. electric parameter acquisition modules, 5.IGBT drive
Module, 6. body power modules, 7. data memory modules.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
In the utility model, DC transformer is used to connect photovoltaic devices and energy-storage battery, by DC transformer
Upper configuration secondary inserting piece, realizes and battery ambient temperature is acquired, and realizes the communication with energy-storage battery BMS systems, actively adopts
Collect the real time data of energy-storage battery, according to corresponding software control logic so as to realizing Initiative Defense and the guarantor to energy-storage battery
Shield.
Fig. 1 is the structural representation with Initiative Defense function DC transformer that the utility model embodiment provides, and is
It is easy to illustrate, the part related to the utility model is only shown.
Include on the DC transformer：Main control module 2, sensor sensing module 1, electric parameter acquisition module 4, communication
Module 3,6 body power modules and IGBT drive module 5；
The main control module 2 respectively with sensor sensing module 1, communication module 3, electric parameter acquisition module 4, body
Power module 6 and IGBT drive module 5 communicate to connect；
The temperature of environment where sensor sensing module 1 is used for the running temperature for sensing body battery and body battery, and
Environment temperature where the body cell operating temperature collected and body battery is sent to main control module 2；
Main control module 2 carries out body battery temperature and environment temperature with battery temperature threshold value and environment temperature threshold value respectively
Compare, if body battery temperature is more than battery temperature threshold value, control body battery stops electric discharge, if environment temperature is more than environment
Temperature threshold, then communicated by the refrigeration plant of communication modes and user configuration, adjust the temperature of refrigeration plant.
In the utility model, sensor sensing module 1 includes：Multiple temperature that the environment where body battery is set pass
Sensor, such as 2, being distributed multiple temperature sensors by the environment where battery pack can prevent that local ambient temperature is too high
The appearance of situation.
Communication module 3, for reading energy-storage battery group parameter, energy-storage battery group parameter bag at energy-storage battery BMS modules
Voltage, electric current, power and the running temperature of each energy-storage battery group are included, and the energy-storage battery group parameter of reading is sent to master control mould
Block 2；
Main control module 2 according to energy-storage battery group parameter judge each energy-storage battery group whether excess temperature, overvoltage or excessively stream, and control
The energy-storage battery group of excess temperature, overvoltage or excessively stream stops charge or discharge；
In the utility model, by being that battery BMS is communicated with battery management module, you can obtain the phase of battery pack
Related parameter, without the Acquisition Circuit of associated batteries parameter is reset in battery protecting apparatus again, while saving resource, and can
Reach the purpose being monitored to the battery parameter of battery pack, in addition, communication module also provides and higher level's control system or software
The standard hardware joint of communication.
Electric parameter acquisition module 4 is for monitoring the electric parameter of dc bus, photovoltaic devices and each battery pack, i.e., straight
The voltage and electric current of bus, battery pack and photovoltaic devices are flowed, the electric parameter of acquisition is sent to main control module,
IGBT drive module 5 is used for the electricity that photovoltaic devices, energy-storage battery group and dc bus are obtained from the ground of main control module 4
Pressure, if the voltage of photovoltaic devices is more than the voltage of energy-storage battery group, energy-storage battery group is in charged state, if energy-storage battery group
Voltage is more than the voltage of dc bus, and energy-storage battery group is in discharge condition；
Body power module 6, when external equipment breaks down, for giving DC converter itself to provide working power；
In the utility model, the as DC converter of body power module 6 is from electricity consumption module, when event occurs for external equipment
Barrier, when can not provide secondary working power to DC transformer, body power module 6 can provide work for DC converter itself
Make power supply, realize black starting-up function, or the fault data of data memory module is transferred to higher controller in time or controlled soft
Part.
By setting body battery and energy-storage battery defence program on DC transformer in the utility model, control is originally
Body battery or energy-storage battery are stopped in the situation of over-voltage and over-current excess temperature, avoid the occurrence of battery performance and decline or battery is caused
Irreversible damage, for the energy-storage battery for having been provided with protection device, second protection can be provided.
In the utility model, the DC transformer includes：Data memory module 7, for real-time storage DC converter
Device real-time running data and fault data, and the real time data of the energy-storage battery collected by communication module 3 and by electric
The electric parameter of dc bus, photovoltaic devices and each battery pack that parameter collection module 4 collects.
In the utility model, when device breaks down, research staff can be to the historical data of memory module storage
And failure is analyzed, trace failure causes reason.
Fig. 2 is the plug-in contacts schematic diagram for the battery protecting apparatus that the utility model embodiment provides, for convenience of description,
The part related to the utility model is only shown.
In the utility model, programming port is configured on DC transformer, in the case where not changing DC transformer and becoming hardware,
Programming port is used for the logic control program for changing the DC transformer.Realize that connection solar energy or energy-storage battery, user also may be used
The secondary development of program is controlled by programming port, realizes special logic control function.
DC transformer in figure is connected with 3 battery packs, and environment where battery pack is provided with 2 temperature sensors, is total in figure
There are 14 contacts, contact 1 represents that DC24V accessory power supplys positive pole, contact 2 represent that DC24V accessory power supplys negative pole, contact 3 represent ring
Border temperature line 1, contact 4 represent that environment temperature line 2, contact 5 represent that reserved contact, contact 6 represent battery RS 485+, contact 7
Represent that battery RS 485-, contact 8 represent that ground connection (GND), contact 9 represent that battery pack temperature line 1, contact 10 represent battery pack temperature
Spend line 2, contact 11 represents battery pack temperature line 3, contact 12 represents that reserved contact point, contact 13 represent battery RS 485+, contact
14 represent battery RS 485-.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of DC transformer with Initiative Defense function, it is characterised in that the DC transformer includes：
Main control module, sensor sensing module, electric parameter acquisition module, communication module and body power module and IGBT drivings
Module；
The main control module respectively with the sensor sensing module, the communication module, the electric parameter acquisition module, institute
State body power module and IGBT drive module communication connection；
The temperature of environment where the sensor sensing module is used for the running temperature for sensing body battery and the body battery,
And environment temperature where the body cell operating temperature and body battery that collect is sent to the main control module；
The main control module by the body battery temperature and the environment temperature respectively with battery temperature threshold value and environment temperature
Threshold value is compared, if the body battery temperature is more than the battery temperature threshold value, controls the body battery to stop putting
Electricity, if the environment temperature exceeds environment temperature threshold value, communicated by the refrigeration plant of communication modes and user configuration,
Adjust the temperature of refrigeration plant；
The communication module is used to read energy-storage battery group parameter, the energy-storage battery group parameter at energy-storage battery BMS modules
Include voltage, electric current, power and the running temperature of each energy-storage battery group, and by the energy-storage battery group parameter of reading send to
The main control module；
The main control module according to the energy-storage battery group parameter judge each energy-storage battery group whether excess temperature, overvoltage or excessively stream, and
The energy-storage battery group of excess temperature, overvoltage or excessively stream is controlled to stop charge or discharge；
The electric parameter acquisition module, for monitoring the electric parameter of dc bus, photovoltaic devices and each battery pack, i.e. direct current
The voltage and electric current of bus, battery pack and photovoltaic devices, the electric parameter of acquisition is sent to the main control module,
The IGBT drive module is used for the electricity that photovoltaic devices, energy-storage battery group and dc bus are obtained from the main control module
Pressure, if the voltage of the photovoltaic devices is more than the voltage of the energy-storage battery group, the energy-storage battery group is in charged state, if
The voltage of the energy-storage battery group is more than the voltage of the dc bus, and the energy-storage battery group is in discharge condition；
Body power module, when external equipment breaks down, for giving DC converter itself to provide working power.
2. there is the DC transformer of Initiative Defense function as claimed in claim 1, it is characterised in that the DC transformer
Also include：Data memory module, the data memory module are connected with the main control module；
The data memory module is used for real-time storage DC converter real-time running data, the storage collected by communication module
Can battery real time data and the dc bus, photovoltaic devices and each battery pack that are collected by electric parameter acquisition module
Electric parameter.
3. there is the DC transformer of Initiative Defense function as claimed in claim 1, it is characterised in that the DC transformer
On be configured with programming port, the programming port is used for the logic control program for changing the DC transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720637224.2U CN207082864U (en) | 2017-06-02 | 2017-06-02 | A kind of DC transformer with Initiative Defense function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720637224.2U CN207082864U (en) | 2017-06-02 | 2017-06-02 | A kind of DC transformer with Initiative Defense function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207082864U true CN207082864U (en) | 2018-03-09 |
Family
ID=61435703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720637224.2U Active CN207082864U (en) | 2017-06-02 | 2017-06-02 | A kind of DC transformer with Initiative Defense function |
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| Country | Link |
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| CN (1) | CN207082864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109064699A (en) * | 2018-09-17 | 2018-12-21 | 江苏荣夏安全科技有限公司 | Battery electric fire monitoring system |
-
2017
- 2017-06-02 CN CN201720637224.2U patent/CN207082864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109064699A (en) * | 2018-09-17 | 2018-12-21 | 江苏荣夏安全科技有限公司 | Battery electric fire monitoring system |
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