CN104300185B - Base station stand-by power supply automatic maintaining device - Google Patents
Base station stand-by power supply automatic maintaining device Download PDFInfo
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- CN104300185B CN104300185B CN201410564023.5A CN201410564023A CN104300185B CN 104300185 B CN104300185 B CN 104300185B CN 201410564023 A CN201410564023 A CN 201410564023A CN 104300185 B CN104300185 B CN 104300185B
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- batteries
- power supply
- base station
- maintaining device
- discharge
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
A kind of base station stand-by power supply automatic maintaining device, including：Measure the detection unit of the voltage and current of each batteries, batteries are carried out with the discharge loop of electric discharge maintenance, discharge load in discharge loop is concatenated by D.C. contactor with batteries, batteries are switched over by D.C. contactor between floating charge circuit and discharge loop, D.C. contactor switches over control by switch control unit, the output end of switch control unit is connected with D.C. contactor and input is connected with arm processor, arm processor is also connected with the output end of detection unit, the automatic maintaining device also includes the power supply unit powered for arm processor.The drawbacks of device can eliminate field maintenance work, realizes safeguarding the auto charge and discharge of base station stand-by power supply, improves the reliability of standby power system.
Description
Technical field
The present invention relates to the automatic control technology field of communication power supply, especially, it is related to for communication base station stand-by power supply
Automatic maintaining device.
Background technology
Electric power, the security of information system and stability are increasingly concerned, and various electrical equipments all be unable to do without can
The power supply for leaning on, if had a power failure suddenly in the course of the work, then the loss for causing is difficult to estimate.To avoid the hair of such case
It is raw, using lead-acid batteries as its independent stand-by power supply more than the base station of common carrier.So, even if having a power failure or power network
Break down, also can be that calculator room equipment is independently-powered by lead-acid batteries, so as to avoid the generation of major accident, it is ensured that signal
Stabilization and communication it is unimpeded.
It can be seen that, used as the stand-by power supply of communication base station, life-span of lead-acid batteries is to the reliability of communication system and steady
It is qualitative to have significant impact.To ensure the service life of lead-acid batteries, it is necessary to carry out regular maintenance to batteries.
Communication base station is typically unattended, and common carrier need to arrange extensive work personnel periodically to base station scene to electric power storage
Pond group is patrolled and examined, and carries out the attended operation such as discharge to it according to the operation conditions of battery.Manual discharge is safeguarded to be needed
Using special charging/discharging apparatus, batteries must be pulled down from base station power system before discharge operation, then with special electric discharge
Equipment is electrically connected, and attendant must stay in scene, waits tediously long discharge process to terminate, then by battery again
Being installed in base station power system can just leave.
The cumbersome work on the spot pattern of this dismounting, powerful, inefficiency of working, and manpower and materials high cost.It is heavier
Want, the effect of maintenance work has dependence to the skilful service degree and sense of responsibility of operating personnel to a certain extent, manually
The error of operation will influence the normal of lead-acid batteries to use.
Additionally, special discharge equipment is not generally heavy portable, because communication base station is numerous and is distributed in different zones,
This deployment arrangement also to operator to attendant brings challenge.
The content of the invention
For communication base station stand-by power supply above mentioned problem present in regular maintenance, it is an object of the invention to provide one
Base station stand-by power supply automatic maintaining device is planted, auto charge and discharge maintenance can be carried out to base station stand-by power supply, people is safeguarded in release
Member improves the reliability of standby power system in the heavy operation at base station scene while manual maintenance cost is reduced.
A kind of base station stand-by power supply automatic maintaining device, wherein, base station stand-by power supply includes the first and second batteries
Group, power supply of first and second batteries respectively with civil power after rectified is connected to dc bus, the automatic maintenance
Device is linked into base station current supply circuit by two binding posts, and the automatic maintaining device includes：Measurement first and the respectively
First and second batteries are carried out electric discharge dimension by the first and second detection units of the voltage and current of two batteries respectively
First and second discharge loops of shield, the first discharge load in first discharge loop passes through the first D.C. contactor and institute
State the first batteries concatenation, the second discharge load in second discharge loop is by the second D.C. contactor and described the
Two batteries are concatenated, and first batteries are by first D.C. contactor in floating charge circuit and the first discharge loop
Between switch over, second batteries by second D.C. contactor floating charge circuit and the second discharge loop it
Between switch over, first and second D.C. contactor is respectively by switch control unit in its normally-closed contact and normally opened contact
Between switch over, the output end of the switch control unit be connected with first and second D.C. contactor and input with
Arm processor is connected, and output end of the arm processor also with first and second detection unit is connected, additionally, described
Automatic maintaining device also includes the power supply unit powered for the arm processor.
Preferably, said supply unit is dc-dc.
Preferably, the switch control unit includes the first relay and is powered by the described first or second batteries
The second relay, the coil of first relay is connected by triode with the output end of arm processor, described first after
The coil tandem of the switch contact of electrical equipment and the second relay, the switch contact of second relay and described first and second
The coil of D.C. contactor is concatenated respectively.
Preferably, the normally-closed contact of first and second D.C. contactor is linked into floating charge circuit, and its normally opened contact
It is respectively connected to first and second discharge loop.
Accordingly, the first and second batteries can be carried out certainly when suitable between floating charge circuit and discharge loop
Dynamic switching, to meet the requirement of charge and discharge maintenance.
Preferably, first detection unit is used to measure the electric current and voltage of first batteries, it include with
The current sampling resistor R of the first batteries series connectionIAnd it is connected on the voltage of the series connection at the first batteries two ends
Sample resistance RV1、RV2, the current sampling resistor RIWith the voltage sampling resistor RV1Two ends be connected to analog-digital converter
Input, the output end of the analog-digital converter is connected with the input of arm processor.
Second detection unit is used to measure the electric current and voltage of second batteries, its structure and described first
Detection unit is identical, therefore here is omitted.
Preferably, the current sampling resistor RI and the voltage sampling resistor in first and second detection unit
RV1Two ends sequentially pass through filter circuit, mu balanced circuit, be subsequently connected to the input of analog-digital converter.
Preferably, the filter circuit is RC filter circuits, and the mu balanced circuit includes one or more voltage-regulator diodes.
Accordingly, the voltage and current analog quantity of the first and second batteries can change into digital quantity and transmit in real time to
Arm processor.
Preferably, the first humiture of the automatic maintaining device also environment temperature including monitoring base station calculator room equipment is passed
Second Temperature Humidity Sensor of sensor and/or the monitoring automatic maintaining device internal temperature, described first and/or second is warm and humid
The output end for spending sensor is connected with the arm processor.
Preferably, the automatic maintaining device also includes being the fan of first and second discharge load radiating.
Preferably, the automatic maintaining device also includes overheating protection circuit or overload protecting circuit.
Scheme compared to existing technology, the beneficial effects of the present invention are being capable of the running parameter of Real-time Collection power supply, and root
It is allowed to switch between floating charge circuit and discharge loop according to power supply real work situation.It is therefore not necessary to attendant's field operation,
Just can realize safeguarding the charge and discharge of base station stand-by power supply, so that the drawbacks of eliminating manual site's operation, extension batteries
Service life, improves the reliability of standby power system.
Brief description of the drawings
To be become more by the above-mentioned and other objects, features and advantages with reference to the described in detail below of accompanying drawing, the disclosure
For obvious.In the accompanying drawings：
Fig. 1 is a kind of schematic block diagram of implementation method of stand-by power supply automatic maintaining device in base station of the present invention；
Fig. 2 is the electrical schematic diagram of detection unit in stand-by power supply automatic maintaining device in base station of the present invention；
Fig. 3 is the electrical schematic diagram for inventing switch control unit in the stand-by power supply automatic maintaining device of base station.
Description of reference numerals：1 battery pack A；2 sample circuits；3 filter circuits；4 mu balanced circuits；5 analog-digital converters；
6 arm processors；7 calculator room equipments and discharge load；The relays of K1 first；The relays of K2 second；K3 D.C. contactors.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic block diagram of one embodiment of the present invention, and the stand-by power supply for wherein being used in communication base station is by two
Group lead-acid batteries A and B are constituted, and the mains supply after batteries A, B and rectification is connected in parallel in dc bus.Base station sets
Powered using negative 48V power supplys for general, thus connected in groups by 24 cells (2V) respectively per group storage battery group, it is possible to provide
The voltage of 48V.
Stand-by power supply automatic maintaining device in base station of the invention is linked into the current supply circuit of base station by two binding posts
In, i.e. mains supply after batteries A, B and rectification is powered for the automatic maintaining device.As illustrated, the automatic dimension
Protection unit includes：Arm processor, arm processor power supply unit, battery pack A detection units, battery pack B detection units, switching control
Unit processed, the first and second D.C. contactors, device inside temperature measurement module and building environment temperature-measuring module.
Wherein, the main element of arm processor power supply unit is dc-dc, for the 48V for providing batteries
DC conversion is exported into the direct current of 5V, so that the work for arm processor provides power input.Two detection units
It is respectively used to measure the operating current and operating voltage of battery pack A, B, and the data transmission of the electric current and voltage for obtaining will be measured
To arm processor.The automatic maintaining device provides the discharge loop for being respectively the electric discharge of battery pack A, B, and battery pack A, B point
Not Tong Guo the first and second D.C. contactors switched between respective floating charge circuit and discharge loop, in each discharge loop
Discharge load respectively with corresponding D.C. contactor concatenate.First and second D.C. contactor is respectively by switching control
Unit is switched between its normally-closed contact and normally opened contact.The output end of the switch control unit is straight with first and second
Stream contactor is connected, and input is connected with arm processor.
Additionally, the automatic maintaining device also includes that the temperature of measurement apparatus internal temperature and building environment temperature respectively is surveyed
Amount module, in the present embodiment, the main element of temperature-measuring module is Temperature Humidity Sensor, the temperature that Temperature Humidity Sensor is measured
Degrees of data is sent to arm processor.
It is only right by taking battery pack A as an example below because battery pack A is identical with the detection unit of battery pack B, discharge loop structure
Each detection unit and control switching circuit are described in detail.
Fig. 2 for battery pack A detection unit electrical schematic diagram, the detection unit include sample circuit 2, filter circuit 3,
Mu balanced circuit 4 and analog-digital converter 5.As shown, battery pack A is that calculator room equipment and discharge load 7 are powered, and is worked as with electric process
In, the terminal voltage at battery two ends can change with the electric discharge of load, in order to accurately detect the virtual voltage at battery two ends
It is worth, the present embodiment is realized using bleeder circuit, two for will connecting precision resistance RV1、RV2Battery pack A two ends are connected on, its
Middle precision resistance RV1It is voltage sampling resistor.The operating current of measurement battery pack A then uses current-limiting circuit, i.e., with an accurate electricity
Resistance RIConnected with battery pack A, wherein RIIt is current sampling resistor.Sample circuit 2 includes above-mentioned bleeder circuit and current-limiting circuit.Institute
State current sampling resistor RIWith the voltage sampling resistor RV1Two ends sequentially pass through filter circuit 3, mu balanced circuit 4, then connect
The input of analog-digital converter 5 is connected to, the output end of the analog-digital converter is connected with the input of arm processor 6.
As shown in Fig. 2 measuring the filter circuit 3 and all same of mu balanced circuit 4 of electric current and voltage, the filter circuit 3 is
RC filter circuits, including constitute the resistance R of low pass filter1、R2With electric capacity C1, the mu balanced circuit 4 including being connected to positive pole respectively
With two voltage-regulator diode D of negative pole1、D2, the voltage-stabilizing protection function with anti-high input voltage.Specifically, circuit in the present embodiment
The operating voltage of plate is 5V, and when the signal of input is higher than 5V, the mu balanced circuit 4 can be by input signal clamper in analog-to-digital conversion
In the range of device requirement, prevent overtension from burning out circuit board.
The analog-digital converter model AD7705, the device receives the low level input directly from sensor, warp
Cross inner transformation and produce serial data signal output.Device AD7705 inside is except with programmable high performance digital filtering
Outside device, also high performance programmable digital-control amplifier.16 are realized without loss code using ∑-Δ switch technology
Energy.The real-time measurement of cell voltage, electric current is capable of achieving by the setting of arm processor.Accordingly, the voltage and current of battery pack A
Analog quantity can change into digital quantity and transmit in real time to arm processor 6.
The detection unit of battery pack B is used to measure the detection list of the electric current and voltage of battery pack B, its structure and battery pack A
Unit is identical, and here is omitted.
Fig. 3 is the electrical schematic diagram of the switch control unit of battery pack A.The switch control unit of battery pack B and battery pack A
It is identical, switch control unit is described in detail by taking battery pack A as an example only here.The switch control unit include first after
Electrical equipment K1 and the second relay K2 powered by the battery pack A.As shown, switch control unit has two kinds of current loops,
A kind of is the internal electric source loop (+5V) of arm processor, namely battery pack the loop that isolated through DC/DC conversion of voltage；Separately
It is a kind of be civil power it is rectified after dc source (usually -54V or so) and battery pack loop (- 48V), the first relay K1 connects
Enter the first loop, the second relay K2 is linked into second loop.Specifically, the coil of the first relay K1 passes through
Triode T1 is connected with the output end of arm processor 6, the switch contact of the first relay K1 and the line of the second relay K2
Circle concatenation, the switch contact of the second relay K2 is concatenated respectively with the coil of D.C. contactor K3, the D.C. contactor
The normally-closed contact NC of K3 is linked into the floating charge circuit of battery pack A, and usually for battery pack A charges, and its normally opened contact NO is linked into
The discharge loop of battery pack A, it is necessary to when battery pack A is discharged, wherein RloadIt is discharge load.
Using foregoing circuit structure, vulnerabilities scan forceful electric power can be realized and " weak control is strong " can be efficiently solved there is interference
Problem.In figure, the first relay K1, triode T1, resistance R3It is the weak current part acted on by arm processor control system, the
Two relay K2 and D.C. contactor K3 constitute strong power part.When high level is delivered to resistance R by arm processor3During end, triode
T1 is turned on, the first relay K1 adhesives, the coil that electric current passes through the second relay K2, and then the switch of the second relay K2 is also inhaled
Close.That is, the second relay K2 after the first relay K1 adhesives also by adhesive, so as to turn on the loop of strong power part
And provide the electric current of about 500mA or so and go to control D.C. contactor K3, the switch of D.C. contactor K3 is disconnected from normally-closed contact NC at
Open, and closed at normally opened contact NO, battery pack A passes through discharge load RloadElectric discharge.Thereby, battery pack A cuts from floating charge circuit
Discharge loop is shifted to, the function of vulnerabilities scan forceful electric power is realized.Further, since the loop of weak current part isolates with strong power part,
Thus weak current part will not be disturbed by the high pressure of strong power part.
On the other hand, during battery pack A discharges, work of the arm processor by foregoing detection unit to battery pack A
Voltage and current is measured in real time, thus achieves closed loop measurement and control.
Stand-by power supply automatic maintaining device in base station of the invention is capable of the working condition of each battery pack of real-time monitoring, including
Operating voltage, electric current and temperature, and working status parameter is sent to arm processor is processed, when single battery group needs
When carrying out electric discharge and safeguarding, the arm processor of the automatic maintaining device sends instruction (example to the switch control unit of respective battery group
Such as high level), by way of above-mentioned vulnerabilities scan forceful electric power, the battery pack is broken from original floating charge circuit, and turn on
Discharge loop, so that battery pack is discharged to discharge load.Equally, during battery power discharge, detection unit is still supervised in real time
The working condition of battery pack is surveyed, and working status parameter arm processor is sent in real time, when detecting needed for battery pack reaches
Discharge capacity after, arm processor sends instruction (such as low level), triode T1 cut-offs, the to corresponding switch control unit
One relay K1 is disconnected, and the second relay K2 is also disconnected, and the switch of D.C. contactor K3 is redirected, i.e., break from normally opened contact NO
Open, and closed at normally-closed contact NC, so that the battery pack is switched to floating charge circuit from discharge loop, carry out charging operations.
The automatic maintaining device is additionally provided with temperature-measuring module, if it is high that stack operating temperature is measured in discharge process
In predetermined threshold value, then equally sent to corresponding switch control unit from arm processor and instructed.By switch control unit, from
Dynamic attending device stops the discharge operation of battery pack, and battery pack is automatically switched into its floating charge circuit, and battery pack is filled
It is electrically operated.
The input of the detection unit of another implementation method of the invention, measurement battery voltage and electric current is except even
Battery pack two ends are connected on, the mains supply after being connected to rectification all the way is also separated, the electric power thus supplied for detecting civil power is surveyed in real time
Mains-supplied voltage is measured, and the data that will be measured are sent to arm processor and are processed in real time.It is known that under normal circumstances
Float charge voltage is usually -54V or so, and when having a power failure suddenly, line voltage value correspondingly drastically declines.Arm processor is set
It is to send command adapted thereto to the switch control unit of battery pack when the line voltage for measuring is down to -50V, the instruction is in this implementation
It is low level in example.As it was previously stated, after switch control unit receives low level, the switch of D.C. contactor is jumped by normally opened contact
Go to normally-closed contact, i.e. battery pack to be cut off from the discharge loop for being connected to discharge load, be switched to connection calculator room equipment as load
Floating charge circuit.Due to civil power power-off in floating charge circuit, and battery pack is in parallel with mains supply, therefore, battery pack is used as power supply
Powered to calculator room equipment.If that is, occurring the situation of mains failure during battery power discharge, device can be certainly
The dynamic discharge operation for stopping battery pack, automatic maintaining device of the invention does not influence original battery pack as the work(of stand-by power supply
Energy.
Thereby, stand-by power supply automatic maintaining device in base station of the invention can be according to the real work situation of stand-by power supply
Charge and discharge are carried out to it to safeguard automatically.For common carrier, without arranging attendant to base station regular visit, just
Can realize safeguarding the charge and discharge of base station stand-by power supply, the use of battery pack on the one hand with Rational Maintenance stand-by power supply, can be extended
In the life-span, the reliability of standby power system is improved, the drawbacks of on the other hand can also eliminate manual site's operation, and save big
The human cost of amount.
It is worth noting that, monitoring and switching control of the automatic maintaining device to two group storage batteries are independent, i.e.,
Automatic maintaining device can realize the independent control to two Battery packs.
Additionally, during battery power discharge, discharge load can generate heat.To prevent equipment overheat, ensuring that electric discharge is smoothly entered
OK, the fan of discharge load radiating can be set in automatic maintaining device.Additionally, the fan of heat transmission is also used as putting
A part for electric loading, so as to help speed up electric discharge.
It is understood that the invention is not restricted to above-mentioned specific implementation method, without departing substantially from disclosure spirit and essence
In the case of, those skilled in the art can make various corresponding modification and variation according to the disclosure, and to open real
Apply mode modification, the combination of the feature of disclosed embodiment and other embodiment be intended to be comprised in appended right will
Ask in the range of restriction.
Claims (8)
1. a kind of base station stand-by power supply automatic maintaining device, wherein, base station stand-by power supply includes the first and second batteries,
Power supply of first and second batteries respectively with civil power after rectified is connected to dc bus, it is characterised in that described
Automatic maintaining device is linked into base station current supply circuit by two binding posts, and the automatic maintaining device includes：Measure respectively
First and second batteries are entered by the first and second detection units of the voltage and current of the first and second batteries respectively
The first and second discharge loops that row electric discharge is safeguarded, the first discharge load in first discharge loop is connect by the first direct current
Tentaculum is concatenated with first batteries, and the second discharge load in second discharge loop passes through the second D.C. contactor
Concatenated with second batteries, first batteries are by first D.C. contactor in floating charge circuit and first
Switched between discharge loop, second batteries are put by second D.C. contactor in floating charge circuit and second
Switched between electrical circuit, first and second D.C. contactor respectively by switch control unit in its normally-closed contact and
Switched between normally opened contact, the output end of the switch control unit be connected with first and second D.C. contactor and
Input is connected with arm processor, and output end of the arm processor also with first and second detection unit is connected,
Additionally, the automatic maintaining device also includes the power supply unit powered for the arm processor；Wherein, first detection is single
Unit is used to measure the electric current and voltage of first batteries, and it includes the current sampling connected with first batteries
Resistance (RI) and be connected on the first batteries two ends series connection voltage sampling resistor (RV1、RV2), the current sampling
Resistance (RI) and the voltage sampling resistor (RV1) two ends be connected to the input of analog-digital converter, the analog-digital converter
Output end is connected with the input of arm processor；Second detection unit is used to measure the electric current of second batteries
And voltage, its structure is identical with first detection unit, and, the electric current in first and second detection unit takes
Sample resistance (RI) and the voltage sampling resistor (RV1) two ends sequentially pass through filter circuit, mu balanced circuit, be subsequently connected to mould
The input of number converter.
2. stand-by power supply automatic maintaining device in base station according to claim 1, it is characterised in that the switching control list
Unit includes the first relay and the second relay powered by the described first or second batteries, first relay
Coil is connected by triode with the output end of arm processor, the switch contact of first relay and the second relay
Coil tandem, the switch contact of second relay is concatenated respectively with the coil of first and second D.C. contactor.
3. stand-by power supply automatic maintaining device in base station according to claim 1 and 2, it is characterised in that first He
The normally-closed contact of the second D.C. contactor is linked into floating charge circuit, and its normally opened contact is respectively connected to described first and second put
Electrical circuit.
4. stand-by power supply automatic maintaining device in base station according to claim 1, it is characterised in that the filter circuit is
RC filter circuits, the mu balanced circuit includes one or more voltage-regulator diodes.
5. stand-by power supply automatic maintaining device in base station according to claim 1, it is characterised in that said supply unit is
Dc-dc.
6. the base station stand-by power supply automatic maintaining device according to claim 1,2,4 or 5, it is characterised in that also include
First Temperature Humidity Sensor and/or the monitoring automatic maintaining device internal temperature of the environment temperature of monitoring base station calculator room equipment
The second Temperature Humidity Sensor, the output end of the described first and/or second Temperature Humidity Sensor is connected with the arm processor.
7. the base station stand-by power supply automatic maintaining device according to claim 1,2,4 or 5, it is characterised in that also include
It is the fan of first and second discharge load radiating.
8. the base station stand-by power supply automatic maintaining device according to claim 1,2,4 or 5, it is characterised in that also include
Overheating protection circuit or overload protecting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564023.5A CN104300185B (en) | 2014-10-06 | 2014-10-06 | Base station stand-by power supply automatic maintaining device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564023.5A CN104300185B (en) | 2014-10-06 | 2014-10-06 | Base station stand-by power supply automatic maintaining device |
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| CN104300185A CN104300185A (en) | 2015-01-21 |
| CN104300185B true CN104300185B (en) | 2017-06-16 |
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| CN108557048A (en) * | 2017-12-10 | 2018-09-21 | 山西汾西重工有限责任公司 | Submarine navigation device power battery pack fault branch automatic switch-over circuit and switching method |
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| CN202172110U (en) * | 2011-07-08 | 2012-03-21 | 宝钢发展有限公司 | On-line storage battery automatic maintenance device |
| CN103064027A (en) * | 2012-11-12 | 2013-04-24 | 陕西省电力公司检修公司 | On-line monitoring and maintaining system for 750-volt wireless intelligent storage battery |
| CN204088520U (en) * | 2014-10-06 | 2015-01-07 | 西安煜邦电子科技有限公司 | Base station stand-by power supply automatic maintaining device |
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| CN104300185A (en) | 2015-01-21 |
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