CN207457464U - A kind of accumulator wireless monitor system based on technology of Internet of things - Google Patents

A kind of accumulator wireless monitor system based on technology of Internet of things Download PDF

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Publication number
CN207457464U
CN207457464U CN201721553362.9U CN201721553362U CN207457464U CN 207457464 U CN207457464 U CN 207457464U CN 201721553362 U CN201721553362 U CN 201721553362U CN 207457464 U CN207457464 U CN 207457464U
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module
accumulator
voltage
things
internet
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CN201721553362.9U
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王君瑞
吉炫玮
张梦月
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North Minzu University
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North Minzu University
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Abstract

The utility model is related to a kind of accumulator wireless monitor systems based on technology of Internet of things, including power module, controller, data acquisition module, wireless sending module, wireless receiving module, host computer, wherein, controller is connected respectively with power module, data acquisition module, wireless sending module;Data acquisition module includes voltage acquisition module, current acquisition module, internal resistance acquisition module, temperature collecting module, is respectively used to voltage, electric current, internal resistance and the battery surface temperature data of acquisition accumulator, and is transferred to controller;Wireless sending module is used to send voltage, electric current, internal resistance and the battery surface temperature data in controller;Wireless receiving module is used to receive the data of wireless sending module transmission and is transferred to host computer, real-time radio monitoring is carried out so as to fulfill to performance parameters such as the charging/discharging voltage of accumulator, electric current, temperature, internal resistances, be conducive to find and replace fail battery in time, to improve the stability of accumulator group power supply.

Description

A kind of accumulator wireless monitor system based on technology of Internet of things
Technical field
The utility model is related to accumulator status monitoring technical fields, and in particular to a kind of electric power storage based on technology of Internet of things Pond wireless monitor system.
Background technology
Nowadays, people are increasing to the degree of dependence of electric energy, this just proposes the stability of power supply higher want It asks.Accumulator, either in mobile communication base station, grid-connected power generation system, is gone back as a set of equipment or the backup power supply of system It is to use the occasion of accumulator other, all plays very important role, the stability of accumulator is directly concerning equipment Or system can normal operation, so aobvious increasingly important of the monitoring of performance parameter and health status to accumulator.Plumbic acid Power-supply device of the accumulator as the maximum of amount of flow in the market, is widely used in some large scale equipments, wherein involved electricity Pond quantity is few then up to a hundred a, at most thousands of, so the monitoring and cell health state to the performance parameter of battery Assessment is all the important topic of various countries expert research all the time.
In energy-storage system, accumulator group is generally in the state of floating charge, only when commercial power interruption or generation of electricity by new energy During condition deficiency, accumulator group just starts to discharge, and reliable electric energy is provided for equipment.Just because of this spy of accumulator group Point, even if electric discharge once in a while occurs in accumulator, user also is difficult to discover, fail battery due to not replacing in time, can cause be The electrical stability of system is poor, and systemic breakdown may be caused when serious, so in the operational process of battery, how to battery Health status is monitored as user's concern the most.
In recent years, reaching its maturity with wireless communication technique, wireless communication technique have been applied to various occasions;Most Representative wireless communication technique has Bluetooth technology, WiFi technology, Zig-Bee wireless communication techniques, wherein, Bluetooth technology and WiFi technology is all there are technical sophistication, power consumption are big, and the shortcomings of the distance of wireless communication is short, networking small scale;Compared to indigo plant Tooth technology and WiFi technology, Zig-Bee is a kind of low-power consumption, low cost, safe, communication distance is remote, and is operated in A kind of wireless communication technique of 2.4GHZ and 868/928MHZ whole world frequency range, representatives of the Zig-Bee as technology of Internet of things, by Widely apply in each field.
However, traditional accumulator monitoring method, mostly using artificial detection or wired detection, there is wiring in them It is difficult, without the shortcomings such as real-time, efficiency is low, it is difficult to realize the real time on-line monitoring to accumulator property parameter.
Utility model content
The purpose of this utility model is that improving the deficiency in the presence of the prior art, provide a kind of based on technology of Internet of things Accumulator wireless monitor system, the performance parameters such as the charging/discharging voltage of accumulator, electric current, temperature, internal resistance can be carried out real When wireless monitor, so as to finding in time and replace fail battery, to improve the stability of accumulator group power supply.
Technical solution is used by the utility model solves its technical problem:A kind of accumulator based on technology of Internet of things Wireless monitor system, including power module, controller, data acquisition module, wireless sending module, wireless receiving module, upper Machine, wherein,
The controller is connected respectively with the power module, data acquisition module, wireless sending module;
The data acquisition module includes voltage acquisition module, current acquisition module, internal resistance acquisition module, temperature acquisition mould Block, is respectively used to voltage, electric current, internal resistance and the battery surface temperature data of acquisition accumulator, and passes through serial communication interface It is transferred to controller;
The wireless sending module is used to send voltage, electric current, internal resistance and the battery surface temperature data in controller;
The wireless receiving module is used to receive the data of wireless sending module transmission and is transferred to host computer.
Preferably, the controller uses STM32F10x series monolithics.Using STM32F10x series monolithic conducts The MCU of the system because its high integration, is whether better than traditional 80C51 in precision or in the speed of service Microcontroller, so that STM32F10x series monolithics can efficiently control in system, modules are normal, efficiently work Make.
Preferably, the wireless sending module and the wireless receiving module use Zig-Bee radio transceiver cores Piece CC2650.Radio transceiver chip CC2650 is the small-sized Zig-Bee wireless communication chips of a " MCU+ radio frequency chips ", And the power consumption of CC2650 is very low, inside is embedded with the Cortex-M3 processors of 48MHZ, it is by SPI interface and MCU into line number According to exchange, function is transmitted/received so as to quick, efficient, low-power consumption completion data.
Preferably, the power module includes the adjustable voltage reduction modules of LM2596S DC-DC, and the LM2596SDC-DC is adjustable Voltage reduction module is used to be converted to the 12V voltage signals of accumulator output the voltage signal of 3.3V.Since STM32F10x series is single The reference work voltage of piece machine is 3.3V, and the reference work voltage of Zig-Bee radio frequency chips CC2650 is 1.8-3.8V, So employing the adjustable voltage reduction modules of LM2596SDC-DC in power module, the 12V voltage signals of accumulator are converted to The voltage signal of 3.3V, to ensure that STM32F10x series monolithics and Zig-Bee radio frequency chips CC2650 can normal works Make.
Preferably, the voltage acquisition module includes division module and light-coupled isolation module, and the light-coupled isolation module is used Enter controller in avoiding the interference signal at scene.Division module includes two precision resistances, described two close resistance difference The both ends of accumulator are connected to, then the signal after partial pressure is taken out between the two resistance, are divided by changing the two precisions The resistance value of resistance, it is possible to measure the accumulator voltage that specification is 6V or 12V.
Further, using HCN201 optocouplers in the light-coupled isolation module.HCN201 optocouplers have high-precision wire Property characteristic, can be very good to realize isolating for interference signal and controller.
Preferably, the current acquisition module is connected in accumulator group, and current acquisition module is sensed including Hall current Device module, current conversion module, A/D modular converters;Hall current sensor module is used for the current signal of sample battery group, The current signal of sampling is converted to voltage signal through current conversion module, and the voltage signal is after the conversion of A/D modular converters It is transferred to controller.Because ensureing that accumulator can work normally, it must must just allow the charging current of accumulator and electric discharge electric Stream maintains in a specific range.Usual accumulator group is in series by several accumulators, so each accumulator Group all must be equipped with a current acquisition module.
Preferably, the internal resistance acquisition module include analog multiplier module, low-pass filtering module, direct current amplification module, A/D modular converters, the AC differential circuit module being connected in parallel on accumulator and constant current source module;The voltage responsive at accumulator both ends Signal is multiplied after AC differential circuit module with generating the sinusoidal signal in alternating constant source in analog multiplier module, mould After the output voltage signal of quasi-multiplication device module is by low-pass filtering module, AC signal switchs to direct current signal, the direct current letter A/D modular converters number are transferred to after direct current amplification module is amplified and carry out analog-to-digital conversion, transformed value is transferred to control Device.
Preferably, the temperature collecting module is using DS18B20 temperature sensors.DS18B20 temperature sensors profit With advanced monobus into row data communication, digital temperature transition and output, the temperature of battery surface can be monitored in real time.
Preferably, the host computer is PC machine, and the PC machine is used to that accumulator to be monitored on-line and assessed.The PC The real time monitoring interface using the accumulator of LabVIEW Software for Design is provided on machine, is transmitted by wireless receiving module Accumulator property supplemental characteristic can be presented in real time in PC machine, so as to fulfill the on-line monitoring to accumulator and assessment.
Compared with existing system, a kind of accumulator wireless monitor based on technology of Internet of things provided by the utility model is used The advantageous effect of system is:The performance parameter of accumulator can be monitored in real time, and use advanced Internet of Things channel radio Letter technology, by the performance parameters such as the charging/discharging voltage of the accumulator collected, electric current, temperature, internal resistance data transmission to host computer, So as to fulfill monitoring and assessing to the real-time radio of accumulator, convenient for finding in time and replacing fail battery, so as to effectively carry The high stability of accumulator group power supply, while manpower and materials are also saved, it has further ensured the life security of user, has kept away Exempt from the loss that the chain reaction of failure is brought.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of the total of accumulator wireless monitor system based on technology of Internet of things that the utility model embodiment provides Body block diagram.
Fig. 2 is electricity in a kind of accumulator wireless monitor system based on technology of Internet of things that the utility model embodiment provides Press the circuit diagram of acquisition module.
Fig. 3 is electricity in a kind of accumulator wireless monitor system based on technology of Internet of things that the utility model embodiment provides Flow the circuit diagram of acquisition module.
Fig. 4 is interior in a kind of accumulator wireless monitor system based on technology of Internet of things that the utility model embodiment provides Hinder the circuit diagram of acquisition module.
Fig. 5 is a kind of accumulator wireless monitor system medium temperature based on technology of Internet of things that the utility model embodiment provides Spend the circuit diagram of acquisition module.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole realities Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of configurations Arrangement and design.Therefore, the detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit below Claimed the scope of the utility model, but it is merely representative of the selected embodiment of the utility model.Based on the utility model Embodiment, those skilled in the art's all other embodiments obtained on the premise of creative work is not made, all Belong to the scope of the utility model protection.
Embodiment 1
Referring to Fig. 1, a kind of accumulator wireless monitor system based on technology of Internet of things is provided in the present embodiment, with wind Monitoring object of the accumulator as wireless monitor system in light complementary power generation system, the wireless monitor system mainly include electricity Source module, controller, data acquisition module, wireless sending module, wireless receiving module, host computer.
Controller is connected respectively with the power module, data acquisition module, wireless sending module;In the present embodiment In, controller is using STM32F10x series monolithics.Using MCU of the STM32F10x series monolithics as the system, Because its high integration, traditional 80C51 microcontrollers are whether better than in precision or in the speed of service, so that STM32F10x series monolithics can efficiently control in system that modules are normal, efficiently work;Specifically, this is STM32F10x series monolithics in system are also connected with the accumulator cell charging and discharging module in wind and solar hybrid generating system, convenient for control In data acquisition module processed each submodule acquisition accumulator charging and discharging state when voltage, electric current, battery surface temperature and The parameters such as the internal resistance of cell, and control wireless sending module that the parameter monitored is sent to host computer.
Wireless sending module is used to send voltage, electric current, internal resistance and the battery surface temperature data in controller;At this In embodiment, wireless sending module is using Zig-Bee radio transceiver chips CC2650.Radio transceiver chip CC2650 is the small-sized Zig-Bee wireless communication chips of a " MCU+ radio frequency chips ", and the power consumption of CC2650 is very low, internal Cortex-M3 processors embedded with 48MHZ, it carries out data exchange by SPI interface and MCU, so as to it is quick, efficient, The completion data of low-power consumption transmit/receive function.
Wireless receiving module is used to receive the data of wireless sending module transmission and be transferred to host computer to carry out online evaluation; That wireless receiving module uses is also Zig-Bee radio transceiver chips CC2650.
In the present embodiment, power module includes the adjustable voltage reduction modules of LM2596S DC-DC;Due to STM32F10x series The reference work voltage of microcontroller is 3.3V, and the reference work voltage of Zig-Bee radio frequency chips CC2650 is 1.8- So employing the adjustable voltage reduction modules of LM2596S DC-DC in power module, the 12V voltage signals of accumulator are turned by 3.8V The voltage signal of 3.3V is changed to, to ensure that STM32F10x series monolithics and Zig-Bee radio frequency chips CC2650 can be just Often work.
Data acquisition module includes voltage acquisition module, current acquisition module, internal resistance acquisition module, temperature collecting module, Voltage, electric current, internal resistance and the battery surface temperature data of acquisition accumulator are respectively used to, and is transmitted by serial communication interface To controller, wherein:
As shown in Fig. 2, voltage acquisition module includes division module and light-coupled isolation module, division module includes two precisions Resistance (R1 and R2), described two close resistance are coupled with the both ends of accumulator, then from taking-up point between the two resistance Signal after pressure, by the resistance value for changing the two accurate divider resistances, it is possible to measure the accumulator that specification is 6V or 12V Terminal voltage;Light-coupled isolation module is connected in parallel on one of resistance and (is connected in parallel on R2), and connects with controller, to avoid scene Interference signal enter controller;
In a kind of scheme, using HCN201 optocouplers in light-coupled isolation module;HCN201 optocouplers have high-precision wire Property characteristic, can be very good to realize isolating for interference signal and controller.
Since accumulator to be ensured can work normally, the charging current of accumulator and discharge current must must just be allowed to maintain In a specific range, usual accumulator group is in series by several accumulators, so each accumulator group must Current acquisition module there are one must matching somebody with somebody;As shown in figure 3, in the present embodiment, current acquisition module is connected in accumulator group , current acquisition module includes Hall current sensor module, current conversion module, A/D modular converters;Hall current sensor Module is used for the current signal of sample battery group, and the current signal of sampling is converted to voltage signal through current conversion module, institute Voltage signal is stated to be transferred to controller after the conversion of A/D modular converters and handled, after the quantitative value for obtaining measurement voltage, warp Cross the current data that conversion can obtain accumulator.
As shown in figure 4, internal resistance acquisition module includes analog multiplier module, low-pass filtering module, direct current amplification module, A/ D modular converters, the AC differential circuit module being connected in parallel on accumulator and constant current source module;The voltage responsive letter at accumulator both ends It is multiplied number after AC differential circuit module, simulates in analog multiplier module with generating the sinusoidal signal in alternating constant source After the output voltage signal of multiplication module is by low-pass filtering module, AC signal switchs to direct current signal, the direct current signal A/D modular converters are transferred to after direct current amplification module is amplified and carry out analog-to-digital conversion, transformed value is transferred to controller It is handled, to obtain the internal resistance data of accumulator.
Temperature collecting module includes DS18B20 temperature sensors, in the present embodiment, as shown in figure 5, the VDD of DS18B20 Pin accesses the operating voltage of 5.0V, GND pin ground connection, and DQ pins are connected on the I/O mouths of controller, and VDD pins draw with DQ It is in parallel between foot that there are one pull-up resistor R;Due to DS18B20 temperature sensors using advanced monobus into row data communication, Digital temperature transition and output, so as to effectively monitor the temperature of battery surface in real time.
In the present embodiment, host computer is PC machine;PC machine is used to that accumulator to be monitored on-line and assessed.The present embodiment In PC machine on be provided with real time monitoring interface using the accumulator of LabVIEW Software for Design, passed by wireless receiving module The defeated accumulator property supplemental characteristic to come can be presented in PC machine in real time, so as to fulfill the on-line monitoring to accumulator and Assessment.
The above is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in Or replace, it should be covered within the scope of the utility model.

Claims (10)

1. a kind of accumulator wireless monitor system based on technology of Internet of things, which is characterized in that including power module, controller, Data acquisition module, wireless sending module, wireless receiving module, host computer, wherein,
The controller is connected respectively with the power module, data acquisition module, wireless sending module;
The data acquisition module includes voltage acquisition module, current acquisition module, internal resistance acquisition module, temperature collecting module, Voltage, electric current, internal resistance and the battery surface temperature data of acquisition accumulator are respectively used to, and is transmitted by serial communication interface To controller;
The wireless sending module is used to send voltage, electric current, internal resistance and the battery surface temperature data in controller;
The wireless receiving module is used to receive the data of wireless sending module transmission and is transferred to host computer.
2. the accumulator wireless monitor system according to claim 1 based on technology of Internet of things, which is characterized in that the control Device processed uses STM32F10x series monolithics.
3. the accumulator wireless monitor system according to claim 1 based on technology of Internet of things, which is characterized in that the nothing Line sending module and the wireless receiving module use Zig-Bee radio transceiver chips CC2650.
4. the accumulator wireless monitor system according to claim 1 based on technology of Internet of things, which is characterized in that the electricity Source module includes the adjustable voltage reduction modules of LM2596S DC-DC, and the adjustable voltage reduction modules of LM2596S DC-DC are used for accumulator The 12V voltage signals of output are converted to the voltage signal of 3.3V.
5. the accumulator wireless monitor system according to claim 1 based on technology of Internet of things, which is characterized in that the electricity Press acquisition module include division module and light-coupled isolation module, the light-coupled isolation module be used for avoid scene interference signal into Enter controller.
6. the accumulator wireless monitor system according to claim 5 based on technology of Internet of things, which is characterized in that the light Using HCN201 optocouplers in coupling isolation module.
7. the accumulator wireless monitor system according to claim 1 based on technology of Internet of things, which is characterized in that the electricity Stream acquisition module is connected in accumulator group, and current acquisition module includes Hall current sensor module, current conversion module, A/ D modular converters;Hall current sensor module is used for the current signal of sample battery group, and the current signal of sampling turns through electric current Mold changing block is converted to voltage signal, and the voltage signal is transferred to controller after the conversion of A/D modular converters.
8. the accumulator wireless monitor system according to claim 1 based on technology of Internet of things, which is characterized in that in described Resistance acquisition module includes analog multiplier module, low-pass filtering module, direct current amplification module, A/D modular converters, is connected in parallel on electric power storage AC differential circuit module and constant current source module on pond;The voltage responsive signal at accumulator both ends passes through AC differential circuit mould It is multiplied after block with generating the sinusoidal signal in alternating constant source in analog multiplier module, the output voltage of analog multiplier module After signal is by low-pass filtering module, AC signal switchs to direct current signal, and the direct current signal is put through direct current amplification module A/D modular converters are transferred to after big and carry out analog-to-digital conversion, transformed value is transferred to controller.
9. the accumulator wireless monitor system according to claim 1 based on technology of Internet of things, which is characterized in that the temperature Acquisition module is spent using DS18B20 temperature sensors.
10. the accumulator wireless monitor system according to claim 1 based on technology of Internet of things, which is characterized in that described Host computer is PC machine.
CN201721553362.9U 2017-11-20 2017-11-20 A kind of accumulator wireless monitor system based on technology of Internet of things Expired - Fee Related CN207457464U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110244596A (en) * 2019-04-30 2019-09-17 成都科鑫电气有限公司 A kind of energy bag data intelligent acquisition analysis method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110244596A (en) * 2019-04-30 2019-09-17 成都科鑫电气有限公司 A kind of energy bag data intelligent acquisition analysis method

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