CN203084169U - Energy storage system monitoring device of photovoltaic power generation storage battery - Google Patents
Energy storage system monitoring device of photovoltaic power generation storage battery Download PDFInfo
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- CN203084169U CN203084169U CN 201220572495 CN201220572495U CN203084169U CN 203084169 U CN203084169 U CN 203084169U CN 201220572495 CN201220572495 CN 201220572495 CN 201220572495 U CN201220572495 U CN 201220572495U CN 203084169 U CN203084169 U CN 203084169U
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- storage battery
- system monitoring
- internal resistance
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Abstract
The utility model discloses an energy storage system monitoring device of a photovoltaic power generation storage battery. The energy storage system monitoring device of the photovoltaic power generation storage battery is composed of acquisition modules corresponding to the batteries in a storage battery pack respectively and a synchronous trigger unit, each acquisition module is composed of an AC voltage amplification unit, a detection module and a sampling unit, and the detection modules are connected with the synchronous trigger unit. The energy storage system monitoring device of the photovoltaic power generation storage battery provided by the utility model overcomes the external disturbance by using an internal resistance measurement technology based on a digital filter and a synchronous detection method, obtains more stable and accurate internal resistance data, can monitor the voltage and internal resistance of the storage battery, estimates the capacity of the storage battery via the acquired internal resistance values, uploads the data to an upper computer, also can measure the internal resistance value of the batteries to estimate the capacity of the batteries even though in a battery floating charge state, automatically obtains the test data, sends out an alarm in time, can really realize the remote monitoring via an internet, and is not limited by time and space, so that the application prospect of the energy storage system monitoring device of the photovoltaic power generation storage battery is very wide.
Description
Technical field
The utility model relates to a kind of photovoltaic generation batteries to store energy system monitoring device.
Background technology
Accumulator checking instrument on the existing market is still based on voltage polling, and the accumulator under floating charge state can not analyze the quality of battery performance substantially by change in voltage.What generally acknowledge in the world still is as accumulator property quality foundation with internal resistance.Its internal resistance measurement repeatable accuracy of logging that part is measured internal resistance all is 5%, and measuring accuracy is generally not high.The method of measuring internal resistance continues the method for traditional discharge measuring substantially, by in the process of battery discharging, measures the variation of battery both end voltage, obtains the absolute value of change in voltage and the ratio of discharge current, just obtains the internal resistance of accumulator.General employing during on-line measurement at battery pack two ends access discharge resistance, measure the electric current of cell circuit and the change in voltage of battery and calculate internal resistance, this method is because the relation of charger charging, for guaranteeing the accuracy of measurement data, generally need to adopt heavy-current discharge, but heavy-current discharge has very big consumption to the energy content of battery.
The utility model content
At the problems referred to above that prior art exists, the purpose of this utility model provides a kind of low-cost photovoltaic generating batteries to store energy system monitoring device of stablizing, accurately collecting environmental data.
For realizing above-mentioned utility model purpose, the technical solution adopted in the utility model is as follows:
A kind of photovoltaic generation batteries to store energy system monitoring device, a kind of photovoltaic generation batteries to store energy system monitoring device, form by an acquisition module that corresponds respectively to the every batteries in the battery pack and a synchronous trigger element, described acquisition module is connected to form successively by alternating voltage amplifying unit, detection module and sampling unit, and described accumulator connects a controlled AC current source, and described synchronous triggering unit is connected with the detection module simultaneously with described controlled AC current source.
As a kind of preferred version, above-mentioned monitoring device also is connected with processor, communication module, A/D modular converter, analog quantity handover module respectively.
As further preferred version, the power supply of above-mentioned monitoring device is provided by battery pack to be monitored, or is powered by AC220V.
As further preferred version, described communication module adopts the MAX485 chip.
As preferred version further, said apparatus can be connected with audible-visual annunciator with display panel, to realize showing battery data, storage data, data query and intellectual analysis data in real time, unusual battery operation situation is in time reported to the police.
As preferred version further, said apparatus can be connected with a computing machine, by default monitoring of software, with the data that collect by importing described computing machine on the RS232 mouth into.
As preferred version further, described monitoring of software directly shows the battery real time data on described display panel, shows various data so that the diagram curve mode is directly perceived, and can the automatically generated data form, supports simultaneously to print.
As preferred version further, monitoring center's software connects network terminal server by internet or LAN (Local Area Network), and the battery of being monitored is carried out data processing and uploads to realize the telemanagement notice.
Compared with prior art, the utlity model has following technique effect:
1. can patrol and examine the internal resistance of battery pack total voltage, monomer battery voltage, electric current (charge and discharge electric current), environment temperature, single battery in real time automatically.
2. measurement data precision height.
3. unique technique realizes the monocell essential resistance on-line measurement.
4. out-of-limit sound and light alarm and output contact.
5. Management of Operational Events provides the maintenance analysis data.
6. high-intelligentization data processing software.
7. concentrate monitoring, network management.
8. analyze the internal resistance variation tendency automatically, the prediction battery life.
9. cell and battery performance state both can be observed at the scene, also can observe in data center.Sign is clear and definite, intuitive display.
10. on-the-spot the detection need not artificial intervention, avoided short circuit, electric shock and load outage risk because of the manual detection maloperation causes.
11. isolate the independent test loop entirely, disturbed by subscriber equipment, do not influence the normal operation of subscriber equipment and electric battery yet.
In a word, the photovoltaic generation batteries to store energy system monitoring device that the utility model provides, employing overcomes external interference based on the internal resistance measurement technology and the synchronous detection method of digital filter, obtain more stable accurate internal resistance data, can monitor battery tension, internal resistance, and by the internal resistance value that collects the capacity of accumulator is estimated, be convenient to the situation that the client grasps accumulator property at any time, eliminate potential risk; And data upload to host computer; Even under the battery float state, also can measure internal resistance of cell value estimating battery capacity, obtain test data automatically and also in time give the alarm, also can really realize remote monitoring by the internet, be not subjected to the restriction in time and space.Therefore, its application prospect is very wide.
Description of drawings
The topological diagram of the photovoltaic generation batteries to store energy system monitoring device that Fig. 1 provides for the utility model;
The acquisition module and the principle of work synoptic diagram of the photovoltaic generation batteries to store energy system monitoring device that Fig. 2 provides for the utility model;
The structure and the principle of work synoptic diagram of the photovoltaic generation batteries to store energy system monitoring device that Fig. 3 provides for the utility model.
Embodiment
Below in conjunction with embodiment and Comparative Examples to the utility model do further in detail, intactly explanation.
Embodiment
The structure and the principle of work synoptic diagram of the photovoltaic generation batteries to store energy system monitoring device that Fig. 3 provides for the utility model, as seen from Figure 3: this photovoltaic generation batteries to store energy system monitoring device, form by an acquisition module that corresponds respectively to the every batteries in the battery pack and a synchronous trigger element, described acquisition module is connected to form successively by alternating voltage amplifying unit, detection module and sampling unit, and described accumulator connects a controlled AC current source, and described synchronous triggering unit is connected with the detection module simultaneously with described controlled AC current source.Described synchronous triggering unit can trigger controlled current source and detection module simultaneously and guarantee current source and amplifying unit phase-locking, thereby overcome the part external interference;
Above-mentioned monitoring device also is connected with processor, communication module, A/D modular converter, analog quantity handover module respectively; The power supply of above-mentioned monitoring device is provided by battery pack to be monitored; The electric battery output voltage is transformed to the acquisition module power supply through DC/DC.Acquisition module is by the current signal of sine wave generating circuit generation 10Hz frequency, and the voltage magnitude that each accumulator of acquisition module circle collection produces draws the internal resistance value of collection after treated device calculates; Communication part adopts the MAX485 chip;
Said apparatus can be connected with audible-visual annunciator with display panel, to realize showing battery data, storage data, data query and intellectual analysis data in real time, unusual battery operation situation is in time reported to the police; Can be connected with a computing machine, by default monitoring of software, with the data that collect by importing described computing machine on the RS232 mouth into; Described monitoring of software directly shows the battery real time data, shows various data so that the diagram curve mode is directly perceived, and can the automatically generated data form, supports simultaneously to print; Described monitoring center software connects network terminal server by internet or LAN (Local Area Network), and the battery of being monitored is carried out data processing and uploads to realize the telemanagement notice.
The technological core of the equipment that the utility model provides is the collection of accumulator internal resistance data, the principle of work of internal resistance data acquisition wherein: this equipment adopts special-purpose signal generation apparatus, to electric battery feed-in controlled AC current signal, measure the change in voltage of signal generation thus, calculate the internal resistance value of battery according to Ohm law.In practice, because the amplitude of FD feed is limited, the internal resistance of battery is in the micro-ohm level, so signal is subjected to external interference easily.This equipment adopts the synchronous detection method by improving, and by the phase place of synchronous clock control signal generating means and detection module, can effectively overcome the interference of outside noise.Software also adopts Digital Signal Processing to realize digital filtering simultaneously, makes the signals collecting data more true.
Be necessary at last in this explanation to be: above embodiment only is used for the technical solution of the utility model is done explanation in further detail; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement and adjustment that those skilled in the art makes according to foregoing of the present utility model all belong to protection domain of the present utility model.
Claims (2)
1. photovoltaic generation batteries to store energy system monitoring device, it is characterized in that: form by an acquisition module that corresponds respectively to the every batteries in the battery pack and a synchronous trigger element, described acquisition module is connected to form successively by alternating voltage amplifying unit, detection module and sampling unit, and described accumulator connects a controlled AC current source, and described synchronous triggering unit is connected with the detection module simultaneously with described controlled AC current source.
2. photovoltaic generation batteries to store energy system monitoring device according to claim 1 is characterized in that: the power supply of described photovoltaic generation batteries to store energy system monitoring device is provided by battery pack to be monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220572495 CN203084169U (en) | 2012-11-01 | 2012-11-01 | Energy storage system monitoring device of photovoltaic power generation storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220572495 CN203084169U (en) | 2012-11-01 | 2012-11-01 | Energy storage system monitoring device of photovoltaic power generation storage battery |
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| CN203084169U true CN203084169U (en) | 2013-07-24 |
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| CN 201220572495 Expired - Fee Related CN203084169U (en) | 2012-11-01 | 2012-11-01 | Energy storage system monitoring device of photovoltaic power generation storage battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028827A1 (en) * | 2016-08-12 | 2018-02-15 | Adensis Gmbh | Battery storage system for storing electrical energy and method |
| CN111308355A (en) * | 2020-03-14 | 2020-06-19 | 智洋创新科技股份有限公司 | Transformer substation storage battery state detection and analysis method based on deep learning |
| CN111308354A (en) * | 2020-03-11 | 2020-06-19 | 深圳易马达科技有限公司 | Method and device for detecting state of health of battery, electronic equipment and storage medium |
-
2012
- 2012-11-01 CN CN 201220572495 patent/CN203084169U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028827A1 (en) * | 2016-08-12 | 2018-02-15 | Adensis Gmbh | Battery storage system for storing electrical energy and method |
| CN111308354A (en) * | 2020-03-11 | 2020-06-19 | 深圳易马达科技有限公司 | Method and device for detecting state of health of battery, electronic equipment and storage medium |
| CN111308355A (en) * | 2020-03-14 | 2020-06-19 | 智洋创新科技股份有限公司 | Transformer substation storage battery state detection and analysis method based on deep learning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XU HAI Free format text: FORMER OWNER: SHANGHAI BOWU POWER SUPPLY CO., LTD. Effective date: 20131024 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131024 Address after: 200333 Shanghai, Putuo District Jinsha River Road, Lane 1340, No. 6, block A, block Patentee after: Xu Hai Address before: 5, block 8, No. 1340, Lane 200333, Jinsha River Road, Shanghai, Putuo District, A Patentee before: Shanghai DC Power Technology Inc. |
|
| DD01 | Delivery of document by public notice |
Addressee: Xu Hai Document name: Notification that Application Deemed not to be Proposed |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170119 Address after: 230088 Anhui Province, Hefei high tech Zone Innovation Avenue, No. 2800 Innovation Industrial Park, building F1, room two, No. 1106 Patentee after: HEFEI POWU OPTICAL ENERGY TECHNOLOGY CO., LTD. Address before: 200333 Shanghai, Putuo District Jinsha River Road, Lane 1340, No. 6, block A, block Patentee before: Xu Hai |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20191101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |