CN207148292U - Data collection station for battery in track traffic - Google Patents

Data collection station for battery in track traffic Download PDF

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Publication number
CN207148292U
CN207148292U CN201720481165.4U CN201720481165U CN207148292U CN 207148292 U CN207148292 U CN 207148292U CN 201720481165 U CN201720481165 U CN 201720481165U CN 207148292 U CN207148292 U CN 207148292U
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Prior art keywords
battery
control module
collection station
main control
data collection
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CN201720481165.4U
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Chinese (zh)
Inventor
王凌波
赵玮
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Jiangsu Miao Sheng Rail Technology Co Ltd
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Jiangsu Miao Sheng Rail Technology Co Ltd
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Abstract

The utility model discloses a kind of data collection station for being used for battery in track traffic, the data collection station includes:Main control module, for being responsible for task scheduling, tidal data recovering and processing work;Wireless radio frequency modules, it is connected with main control module, for realizing the wireless receiving and dispatching of data;Data acquisition module, it is connected with main control module, for gathering accumulator parameter in real time, and physical message is converted into corresponding electrical signal;Control module, it is connected with main control module, for being controlled operation according to user instruction to external equipment;Power module, it is respectively connected with main control module, wireless radio frequency modules, data acquisition module and control module, to provide operation power.Data collection station of the present utility model can effectively in acquisition trajectory traffic system battery voltage, internal resistance, temperature and link current data, accuracy of data acquisition is high, is capable of the state of accurate measurements battery, substantially increases the security of track traffic.

Description

Data collection station for battery in track traffic
Technical field
Accumulator monitoring technical field is the utility model is related to, is used for battery in track traffic more particularly to a kind of Data collection station.
Background technology
Requirement more and more higher of all trades and professions to power system, power system is not allowed situation about powering off suddenly occur.City Many core applications in city, such as track traffic, network application system, all provide the energy, and ensure electricity consumption by power system Normal operation.Rail Transit System paralysis, network application system can be caused to collapse if unexpected powering-off state occurs in power system The problems such as routed and loss of vital data.Set therefore, battery as important energy storage device, is related to whole system when emergent Standby operation, it is to ensure to be equipment uninterrupted power supply, it is ensured that last line of defense of the stable health operation of equipment, in power train The field extensive uses such as system, communication, signalling arrangement, computer room, UPS, subway circulation.
The actual life of accumulator product is widely different, as long as maximum life span may be up to 5 years, also there is some batteries Life-span is one year.In addition to being influenceed by the manufacturing technology level of different vendor, actual working environment, daily its maintenance situation Also it is critically important.In the daily management to batteries is safeguarded, lack effective monitoring means to batteries, staff without Method promptly and accurately knows the running status of each single battery, thus is difficult that the safety that elimination fail battery may be brought is hidden Suffer from.
Influenceing the major parameter of battery includes:Voltage, internal resistance, capacity, temperature and other many kinds of parameters, therefore, how Become a major issue by testing the parameter of battery and then the state of accurate judgement battery.
Therefore, for above-mentioned technical problem, it is necessary to it is whole to provide a kind of data acquisition for being used for battery in track traffic End.
Utility model content
In view of this, the purpose of this utility model is whole in providing a kind of data acquisition for being used for battery in track traffic End, to judge the state of battery by gathering the state parameter of battery.
To achieve these goals, the technical scheme that the utility model embodiment provides is as follows:
A kind of data collection station for being used for battery in track traffic, the data collection station include:
Main control module, for being responsible for task scheduling, tidal data recovering and processing work;
Wireless radio frequency modules, it is connected with main control module, for realizing the wireless receiving and dispatching of data;
Data acquisition module, it is connected with main control module, for gathering accumulator parameter in real time, and physical message is converted into Corresponding electrical signal;
Control module, it is connected with main control module, for being controlled operation according to user instruction to external equipment;
Power module, it is respectively connected with main control module, wireless radio frequency modules, data acquisition module and control module, to carry For operation power.
As further improvement of the utility model, the data acquisition module includes:
Voltage acquisition unit, for gathering the voltage parameter of battery;
Internal resistance collecting unit, for gathering the internal resistance parameter of battery;
Temperature collecting cell, for gathering the temperature parameter of battery;
Link current collecting unit, for gathering the link current information of battery.
As further improvement of the utility model, the main control module, which includes microprocessor, memory, A/D, to be changed and connects Mouth and I/O interfaces, data acquisition module are connected with the A/D translation interfaces in main control module, in control module and main control module I/O interfaces are connected.
As further improvement of the utility model, the main control module is based on ARM Cortex-M0+ kernels, work Frequency is less than 1GHz radio frequency chip.
As further improvement of the utility model, the main control module is KW01 chips.
As further improvement of the utility model, the power module includes adopting with voltage acquisition unit and/or internal resistance Collect the connected low pressure difference linear voltage regulator of unit.
As further improvement of the utility model, the voltage acquisition unit includes difference amplifier, comparator and three Eight decoders, in a comparator compared with fixed potential, current measurement is may recognize that from the on-off state of comparator output Ground relative to fixed potential height, three or eight decoders be used for gate battery certain all the way.
As further improvement of the utility model, the temperature collecting cell includes NTC film-type thermistors NTC10KB3950K temperature sensors.
As further improvement of the utility model, the link current collecting unit includes Hall current sensor.
The beneficial effects of the utility model are:
Data collection station of the present utility model can the voltage of battery effectively in acquisition trajectory traffic system, internal resistance, Temperature and link current data, accuracy of data acquisition is high, is capable of the state of accurate measurements battery, substantially increases track traffic Security.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments described in the utility model, for those of ordinary skill in the art, is not paying creative work On the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the mould for being used for the data collection station of battery in track traffic in the embodiment of the utility model one Block schematic diagram;
Fig. 2 is the module diagram of data acquisition module in the embodiment of the utility model one;
Fig. 3 is the circuit diagram of power module in the embodiment of the utility model one;
Fig. 4 is the circuit diagram of voltage acquisition module in the embodiment of the utility model one;
Fig. 5 is the circuit diagram of internal resistance acquisition module in the embodiment of the utility model one;
Fig. 6 is the circuit diagram of temperature collect module in the embodiment of the utility model one;
Fig. 7 is the circuit diagram of the embodiment link current acquisition module of the utility model one.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the utility model, below in conjunction with this reality With the accompanying drawing in new embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that Described embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the utility model In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, it should all belong to the scope of the utility model protection.
Join and a kind of data for being used for battery in track traffic shown in Fig. 1, are disclosed in the embodiment of the utility model one Acquisition terminal, the data collection station include:
Main control module 10, for being responsible for task scheduling, tidal data recovering and processing work;
Wireless radio frequency modules 20, it is connected with main control module 10, for realizing the wireless receiving and dispatching of data;
Data acquisition module 30, it is connected with main control module 10, turns for gathering accumulator parameter in real time, and by physical message Change corresponding electrical signal into;
Control module 40, it is connected with main control module 10, for being controlled operation according to user instruction to external equipment;
Power module 50, distinguish with main control module 10, wireless radio frequency modules 20, data acquisition module 30 and control module 40 It is connected, to provide operation power.
Further, the battery data of the data collecting module collected in present embodiment includes voltage, internal resistance, temperature And link current, join shown in Fig. 2, data acquisition module includes:
Voltage acquisition unit 31, for gathering the voltage parameter of battery;
Internal resistance collecting unit 32, for gathering the internal resistance parameter of battery;
Temperature collecting cell 33, for gathering the temperature parameter of battery;
Link current collecting unit 34, for gathering the link current information of battery.
Wherein, main control module 10 includes microprocessor, memory, A/D translation interfaces and I/O interfaces, data acquisition module It is connected with the A/D translation interfaces in main control module, control module is connected with the I/O interfaces in main control module.
Main control module selection En Zhi Pu company MKW01Z128 (referred to as KW01) chip in present embodiment is as this The MCU of data collection station node main control module in system, the chip are En Zhi Pus semiconductor companies in a of release in 2013 Based on ARM Cortex-M0+ kernels, working frequency is less than 1GHz radio frequency chip.It has high-performance, it is highly integrated, The features such as low-power consumption, the remote control field that smart home, industrial monitoring etc. have higher requirements to power consumption is suitably applied, it is internal Rich hardware resource.
The effect of power module is to provide power supply for the normal work of data collection station node, the electricity in present embodiment Source module is as shown in Figure 3.In Fig. 3, component Chinese:DC power supply circuit, component English name:DC-DC, input:BAT1、 BAT2 is inputted, output:VCC24V、VCC5V.Because KW01 operating voltages are in 1.71V~3.6V or so, therefore need the electricity of input Cell voltage carries out voltage stabilizing decompression processing.In view of instantaneous power of the data collection station node when carrying out accumulator internal resistance measurement Meeting higher (peak point current about 20A), therefore employ two independent low pressure difference linear voltage regulators when designing power circuit (Low DropOut regulator, LDO) provides the power supply of stabilization come respectively KW01 and internal resistance and voltage acquisition module.
Power (VCC_5V) for KW01 is SPX3819M5-L-3.3 voltage stabilizing chips, its input voltage range 4.3V~ 16V, output voltage fix 3.3V, maximum output current 500mA, meet the KW01 demand to voltage;And it is voltage acquisition mould Block power supply (VCC_24V) is ME6216A33 voltage stabilizing chips, and its maximum input voltage is 36V, and output voltage fixes 24V.
Each unit in data acquisition module is described in detail below.
Voltage acquisition unit:
Because the batteries total voltage being cascaded is up to tens volts, or even upper hectovolt in the system (due to what is designed Every piece of data collection station node can gather the data message of 8 road batteries, it is generally the case that the voltage for often saving battery exists 9V~14V or so), the significantly larger than normal working voltage of analog switch, it is therefore desirable to make ground potential with measurement different batteries Automatic floating ensures that measurement is normally carried out during voltage, and the circuit of voltage acquisition unit is as shown in Figure 4.
During per task, first gated by analog switch, make the electric potential signal access test circuit at its tested battery both ends, this On the one hand signal enters difference amplifier;On the other hand enter comparator, in a comparator compared with fixed potential Vr, from than Compared with device output on-off state with may recognize that current measurement (GND) be relative to Vr current potentials it is too high, it is too low or just. If A/D just, can be started to measure.If Tai Gao or too low, by controller, (GND) current potential row floats over the ground Control.
Because the I/O mouths of KW01 main control modules are limited, therefore three or eight decoder (74HC138) is selected, so as to 3 I/O mouths come gate 8 road batteries certain all the way, to carry out the collection of data (including voltage and internal resistance).
Internal resistance collecting unit:
Its moment in disconnecting consumers again after batteries instantaneous large-current produces voltage drop to load discharge (20A or so) Voltage recovers, while measures the instantaneous variation of voltage and current on battery post, and it is real can to extrapolate internal storage battery Equivalent internal resistance, the circuit of internal resistance collecting unit are as shown in Figure 5.
In Fig. 5, component Chinese:Voltage internal resistance measurement, component English name:VRDet.
1st, voltage monitoring:After variable connector gates corresponding battery, ResDet mouths are set to 0, and R148 does not choose, and start battery electricity Pressure monitoring.Voltage is converted to frequency signal, then entered after light-coupled isolation by list by V/F conversion chip LM331 by voltage signal The monitoring of piece machine draws voltage V1;
2nd, internal resistance monitors:After measuring V1, ResDet puts 1, R148 and chosen, and battery is quickly put a little, is supervised by same circuit Measure voltage V2.
R internal resistances=(V1-V2)/(V2/R148)=(V1/V2-1) * R148.
After measuring V1, ResDet puts 1, R79 and chosen, battery repid discharge, then by same circuit monitoring to voltage V2, surveys After going out V1 and V2, you can according toThe internal resistance of calculating accumulator.
Temperature collecting cell:
Realized in present embodiment using temperature sensor (NTC film-types thermistor NTC10KB3950K) to battery Temperature acquisition, the precision of the temperature sensor reach 1%, and for the circuit of temperature collecting cell as shown in fig. 6, in Fig. 6, component is Chinese Title:Temperature survey, component English name:TempDet, input:Temperature, output:Voltage.Temperature sensor uses NTC films Type thermistor (NTC10KB3950K), precision 1%, resistance 32.5K at 0 degree, sampling resistor use 1% precision 2K.U=2/ (2 + R*5V), correspond to 0.29V at 0 degree, correspond to 3.26V at 85 degree.After the resistance that thermistor is measured by the circuit, utilizeMagnitude of voltage U (correspond to 0.29V at 0 degree, 85 degree when correspond to 3.26V) is calculated, then basis NTC10KB3950K voltage and the corresponding relation of temperature, table look-up and draw temperature value.
Link current collecting unit:
In present embodiment the collection to battery link current, Hall current sensing are realized using Hall current sensor Device is a kind of magnetic field sensor made according to Hall effect, is had to magnetic-field-sensitive, simple in construction, fast response time energy is special Point, its principle are when primary current IP flows through a root long wire, magnetic field will be produced around wire, the size in magnetic field is with flowing through The electric current of wire is directly proportional, and caused magnetic field is gathered in magnet ring, measures and amplifies by Hall element in magnet ring air gap Output, its output voltage Vs accurately reflect primary current IP, and the circuit of link current collecting unit is as shown in Figure 7.In Fig. 7, Component Chinese:Current measurement, component English name:CurrentDet, input:Current sensor, output:IL_MCU, survey 050A electric currents are measured, precision 0.2%, IH_MCU, measure 50400A electric currents, precision 1%.
The utility model has the advantages that it can be seen from above-mentioned technical proposal:
Data collection station of the present utility model can the voltage of battery effectively in acquisition trajectory traffic system, internal resistance, Temperature and link current data, accuracy of data acquisition is high, is capable of the state of accurate measurements battery, substantially increases track traffic Security.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (9)

1. a kind of data collection station for being used for battery in track traffic, it is characterised in that the data collection station includes:
Main control module, for being responsible for task scheduling, tidal data recovering and processing work;
Wireless radio frequency modules, it is connected with main control module, for realizing the wireless receiving and dispatching of data;
Data acquisition module, it is connected with main control module, for gathering accumulator parameter in real time, and physical message is converted into accordingly Electrical signal;
Control module, it is connected with main control module, for being controlled operation according to user instruction to external equipment;
Power module, it is respectively connected with main control module, wireless radio frequency modules, data acquisition module and control module, to provide work It is used as power.
2. the data collection station according to claim 1 for being used for battery in track traffic, it is characterised in that the number Include according to acquisition module:
Voltage acquisition unit, for gathering the voltage parameter of battery;
Internal resistance collecting unit, for gathering the internal resistance parameter of battery;
Temperature collecting cell, for gathering the temperature parameter of battery;
Link current collecting unit, for gathering the link current information of battery.
3. the data collection station according to claim 2 for being used for battery in track traffic, it is characterised in that the master Control module includes microprocessor, memory, A/D translation interfaces and I/O interfaces, data acquisition module and the A/D in main control module Translation interface is connected, and control module is connected with the I/O interfaces in main control module.
4. the data collection station according to claim 1 for being used for battery in track traffic, it is characterised in that the master It is to be less than 1GHz radio frequency chip based on ARM Cortex-M0+ kernels, working frequency to control module.
5. the data collection station according to claim 4 for being used for battery in track traffic, it is characterised in that the master Control module is KW01 chips.
6. the data collection station according to claim 2 for being used for battery in track traffic, it is characterised in that the electricity Source module includes the low pressure difference linear voltage regulator being connected with voltage acquisition unit and/or internal resistance collecting unit.
7. the data collection station according to claim 2 for being used for battery in track traffic, it is characterised in that the electricity Pressure collecting unit include difference amplifier, comparator and three or eight decoders, in a comparator compared with fixed potential, from than The on-off state exported compared with device is used to gate in which may recognize that current measurement relative to the height of fixed potential, three or eight decoders Certain of battery is all the way.
8. the data collection station according to claim 2 for being used for battery in track traffic, it is characterised in that the temperature Degree collecting unit includes NTC film-type thermistor NTC10KB3950K temperature sensors.
9. the data collection station according to claim 2 for being used for battery in track traffic, it is characterised in that the chain Road current acquisition unit includes Hall current sensor.
CN201720481165.4U 2017-05-03 2017-05-03 Data collection station for battery in track traffic Active CN207148292U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110764006A (en) * 2019-12-30 2020-02-07 杭州华塑加达网络科技有限公司 Battery management system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110764006A (en) * 2019-12-30 2020-02-07 杭州华塑加达网络科技有限公司 Battery management system
CN110764006B (en) * 2019-12-30 2020-10-27 杭州华塑加达网络科技有限公司 Battery management system

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