CN209029984U - Novel base station DC power supply apparatus - Google Patents
Novel base station DC power supply apparatus Download PDFInfo
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- CN209029984U CN209029984U CN201822173420.6U CN201822173420U CN209029984U CN 209029984 U CN209029984 U CN 209029984U CN 201822173420 U CN201822173420 U CN 201822173420U CN 209029984 U CN209029984 U CN 209029984U
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- distribution unit
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Abstract
The utility model discloses a kind of novel base station DC power supply apparatus, including Alternating Current Unit, the road N rectification module, Direct Current Distribution Unit, the road M battery and battery is plugged into module all the way；External communication electricity is by being converted to direct current and being powered by Direct Current Distribution Unit after Alternating Current Unit and rectification module；Battery provides spare direct current energy to Direct Current Distribution Unit；Battery module of plugging into is obtained from Direct Current Distribution Unit in battery charging and electric energy and is charged, and the discharge channel of the road battery is cut off when battery is discharged to blanking voltage.The utility model can be compatible with all types of battery access base station DC power-supply systems, and reliable, safe working environment can be provided for the battery of access, and can be the battery charge or discharge of access, to improve the life and reliability of the battery of access；And the utility model has the advantages of simple structure, and circuit is reliable.
Description
Technical field
The utility model is specifically related to a kind of novel base station DC power supply apparatus.
Background technique
With the development of economic technology, communication has become essential component part in people's production and life.
Base station is then essential important component in communication network.
Mobile communication base station is large number of, and website dispersion, farther out, and three-phase voltage larger there are voltage drop is tight for power supply distance
The unbalanced problem of weight.Especially rural area mobile base station, it is far away, it has inconvenient traffic, base station electricity consumption is mostly quoted from local agricultural
Transformer, power quality is poor, the power-off frequency is high.Existing base station storage batteries capacity is generally held time according to base station equipment 10 small
When, transmission device maintain configure within 20 hours, off-capacity encounters large area blackout and then easily causes communication paralysis, therefore having must
It will be to battery group capacity redundant configuration.
The structure of existing base station DC power supply unit generally external alternating current (or spare generator as shown in Figure 1:
Deng) electric energy of output is by after Alternating Current Unit, if being converted to direct current energy by main line rectification module, then match by direct current
Electric unit is powered to final communication equipment, and several group storage batteries are then directly connected to Direct Current Distribution Unit, for external defeated
The direct current energy power supply of auxiliary is provided when the AC energy power-off entered.Wherein, Direct Current Distribution Unit is used to form to communication equipment
Supplying channels, while being also used for generating corresponding charge power supply signal and to charge the battery.Alternating Current Unit therein
It is equipment very common in base station with Direct Current Distribution Unit.
But with the appearance of battery group redundant configuration, battery group access system also produces certain problem: existing
There is battery access technology using fixed method in parallel or grouping switching.It is same factory that fixed parallel way, which requires battery,
Family, same specifications and models, same new oldState, and actual storage battery internal resistance is different, the big charging current of internal resistance is small, for a long time
In sufficient insufficient state, service life is greatly shortened.Grouping switching, the mode of mutual backup can solve connecing for different battery packs
There are rush of current when entering and charge and discharge problem, but existing simultaneously inflexible control, switching, can not effectively extend output capacity
The problem of.
Utility model content
The purpose of this utility model is to provide a kind of access and can guarantee access battery performance it is novel
Base station DC power supply apparatus.
This novel base station DC power supply apparatus provided by the utility model, including Alternating Current Unit, the road N rectify mould
Block, Direct Current Distribution Unit and the road M battery, further include all the way battery plug into module；Alternating Current Unit, the road N rectification module and
Direct Current Distribution Unit is sequentially connected in series, and battery connection battery in the road M is plugged into the input terminal of module, and the plug into output end of module of battery connects
Connect Direct Current Distribution Unit；Externally input AC energy is by being converted to the road N direct current after Alternating Current Unit and the road N rectification module
Electric energy is simultaneously powered by Direct Current Distribution Unit to back end communications equipment；The road M battery is used for disconnected in externally input AC energy
When opening, by battery plug into module to Direct Current Distribution Unit provide spare direct current energy to for rear end communication equipment power；
Battery module of plugging into is also used to obtain when battery needs to charge from Direct Current Distribution Unit and electric energy and charges a battery, and
For the discharge channel of the road battery to be cut off when battery is discharged to blanking voltage all the way at certain；The N and M is nature
Number.
The battery plug into module include the road M cut-out switch circuit, the road M selected on-off circuit, the road M DC/DC conversion electricity
Road, controller circuitry, discharge circuit, discharge switching circuit, the road M voltage detecting circuit, the road M current detection module；It is every to store all the way
The output end of battery is all connected with the input terminal of cut-out switch circuit, cut-out switch circuit, selected on-off circuit and DC/DC conversion electricity
Road is sequentially connected in series, and discharge circuit and discharge switching circuit concatenation, voltage detecting circuit and current detection circuit are both connected to electric power storage
The output end in pond, the output end of the input terminal connection selected on-off circuit of discharge switching circuit, the control terminal of discharge switching circuit,
The control terminal of cut-out switch circuit, the control terminal of selected on-off circuit, voltage detecting circuit output end and current detection circuit
Output end be all connected with controller circuitry；Controller circuitry also passes through telecommunication circuit and connects Direct Current Distribution Unit；The electric discharge
Circuit for discharging battery, put by the signal access or excision that discharge switching circuit is used to be exported according to controller circuitry
Circuit；Voltage detecting circuit is used to detect the output voltage of battery and uploads controller circuitry；Current detection circuit is used for
It detects the output electric current of battery and uploads controller circuitry；Cut-out switch circuit is used to receive the output signal of controller circuitry
And access or cut off corresponding battery；Selected on-off circuit is used to receive the output signal of controller circuitry and by battery
It accesses the DC/DC conversion circuit of rear end or battery is accessed to the discharge circuit of rear end；DC/DC conversion circuit will be for that will correspond to
Battery output direct current energy be converted to direct current with single unit need unified direct current energy and input direct-current distribution list
Member；Controller circuitry is plugged into module work for controlling the battery, while being also used for output signal of communication to DC distribution list
Member, so that direct current exports rechargeable electrical energy to charge the battery with single；The rechargeable electrical energy output end of Direct Current Distribution Unit is direct
The input terminal of discharge switching circuit is connected, to guarantee that the rechargeable electrical energy of Direct Current Distribution Unit output can be by selection switch electricity
Road and cut-out switch circuit are that battery charges.
The cut-out switch circuit is relay circuit or contactor circuit.
The selected on-off circuit is with the normally opened node all the way and all the way relay circuit or tool of normally closed node
There are normally opened node all the way and all the way contactor circuit of normally closed node.
The discharge switching circuit is relay circuit or contactor circuit.
The controller circuitry is PLC controller circuit or Special industrial controller circuitry.
The controller circuitry also connects Direct Current Distribution Unit by telecommunication circuit, and specially controller circuitry passes through
CAN bus connects Direct Current Distribution Unit.
This novel base station DC power supply apparatus provided by the utility model by multichannel cut-out switch, selection switch, turns
The design of the circuits such as circuit, discharge circuit is changed, all types of battery access base station DC power-supply systems, Er Qieneng can be compatible with
Enough batteries for access provide reliable, safe working environment, and can be the battery charge or discharge of access, to mention
The high life and reliability of the battery of access；And the utility model has the advantages of simple structure, and circuit is reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing base station DC power supply unit.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is that the battery of the utility model is plugged into the functional block diagram of module.
Fig. 4 be the utility model battery plug into module a kind of embodiment circuit theory schematic diagram.
Specific embodiment
It is illustrated in figure 2 the structural schematic diagram of the utility model: this novel base station direct current provided by the utility model
Power supply unit, including Alternating Current Unit, the road N rectification module, Direct Current Distribution Unit and the road M battery further include battery all the way
It plugs into module；Alternating Current Unit, the road N rectification module and Direct Current Distribution Unit are sequentially connected in series, and battery connection battery in the road M is plugged into
The input terminal of module, battery plug into module output end connection Direct Current Distribution Unit；Externally input AC energy passes through exchange
The road N direct current energy is converted to after power distribution unit and the road N rectification module and is powered by Direct Current Distribution Unit to back end communications equipment；
The road M battery be used for externally input AC energy disconnect when, by battery plug into module to Direct Current Distribution Unit provide it is standby
With direct current energy to power for the communication equipment of rear end；Battery module of plugging into is also used to when battery needs to charge from direct current
Power distribution unit obtains electric energy and simultaneously charges a battery, and for cutting off the road when battery is discharged to blanking voltage all the way at certain
The discharge channel of battery；The N and M is natural number.
The battery for being illustrated in figure 3 the utility model is plugged into the functional block diagram of module: for simplicity with picture
Clearly, the charge/discharge circuit of (the i-th tunnel) battery all the way is only depicted in figure；Battery module of plugging into includes the road M cut-out switch
Circuit, the road M selected on-off circuit, the road M DC/DC conversion circuit, controller circuitry, discharge circuit, discharge switching circuit, the road M electricity
Press detection circuit, the road M current detection module；It is all connected with the input terminal of cut-out switch circuit per the output end of battery all the way, cuts
Disconnected switching circuit, selected on-off circuit and DC/DC conversion circuit are sequentially connected in series, discharge circuit and discharge switching circuit concatenation, electricity
Pressure detection circuit and current detection circuit are both connected to the output end of battery, and the input terminal connection selection of discharge switching circuit is opened
The output end on powered-down road, the control of the control terminal of discharge switching circuit, the control terminal of cut-out switch circuit, selected on-off circuit
The output end at end, the output end of voltage detecting circuit and current detection circuit is all connected with controller circuitry；Controller circuitry is also logical
Cross telecommunication circuit connection Direct Current Distribution Unit.
As shown, discharge circuit, for discharging battery i, discharge switching circuit is used for according to controller circuitry
The signal of output accesses or excision discharge circuit；Voltage detecting circuit i is used to detect the output voltage of battery i and uploads control
Device circuit；Current detection circuit is used to detect the output electric current of battery i and uploads controller circuitry；Cut-out switch circuit i is used
In the output signal for receiving controller circuitry and access or cut off corresponding battery i；Selected on-off circuit i is for receiving control
The output signal of device circuit processed simultaneously accesses putting for rear end by the DC/DC conversion circuit of battery i access rear end or by battery
Circuit；DC/DC conversion circuit i is used to be converted to the corresponding battery i direct current energy exported direct current with single unit needs
Unified direct current energy and input direct-current power distribution unit；Controller circuitry for control the battery plug into module work, together
When be also used for output signal of communication to Direct Current Distribution Unit so that direct current with single output rechargeable electrical energy to charge the battery；
The rechargeable electrical energy output end of Direct Current Distribution Unit is directly connected to the input terminal of discharge switching circuit, to guarantee Direct Current Distribution Unit
The rechargeable electrical energy of output can be that battery i charges by selected on-off circuit i and cut-out switch circuit i；.
In the specific implementation, cut-out switch circuit is relay circuit or contactor circuit；Selected on-off circuit is tool
There are normally opened node all the way and all the way relay circuit of normally closed node or with normally opened node all the way and all the way normally closed node
Contactor circuit；Discharge switching circuit is relay circuit or contactor circuit；Controller circuitry be PLC controller circuit or
Person's Special industrial controller circuitry；Meanwhile controller circuitry connects Direct Current Distribution Unit by CAN bus.
Be illustrated in figure 4 the utility model battery plug into module a kind of embodiment circuit theory schematic diagram: in order to
It is easy and picture clear, the charge/discharge circuit of (the i-th tunnel) battery all the way is only depicted in figure；Battery i passes through cutting
Switching circuit SWi-1, selected on-off circuit SWi-2 and DC/DC conversion circuit i DC power output are supplied to Direct Current Distribution Unit
Electricity, DC/DC conversion circuit are used to all types of batteries (output voltage is different) being converted to unify, Direct Current Distribution Unit and need
The voltage level wanted simultaneously is input to Direct Current Distribution Unit；Wherein cut-out switch circuit SWi-1 uses common single-contact relay,
And selected on-off circuit SWi-2 is then used with normally opened node and all the way relay of normally closed node all the way, and in the embodiment
The output end for being turned off switching circuit of middle normally-closed contact connection and the input terminal of DC/DC conversion circuit, and normally opened contact then connects
The input terminal of the output end for being turned off switching circuit and discharge switching circuit SWi-3 that connect；Meanwhile if filling per battery all the way
Electricity/discharge circuit is all made of circuit as described in Figure, then is all connected to electric discharge per the normally opened node of switching switching circuit all the way
The input terminal of switching circuit SWi-3, i.e., the A point in figure.
When normal work, discharge switching circuit SWi-3 is disconnected；Battery i is opened by cut-out switch circuit SWi-1, selection
The normally-closed contact of powered-down road SWi-2 exports electric energy, is converted to reliable, stable by DC/Dc conversion circuit i and meets DC distribution
Unit require voltage level direct current energy and be input to direct current with single unit be subsequent equipment power；Voltage detecting circuit
I and current detection circuit i then detects the output voltage of battery i and exports electric current and upload controller circuitry.
When the output voltage for detecting battery i is too low, shows that the off-capacity of battery i needs to charge at this time, put
Electric switch circuit SWi-3 is disconnected, and controller module control cut-out switch circuit SWi-1 continues to be closed, while control selections switch
The actuating of relay of circuit SWi-2, the normally-closed contact of selected on-off circuit SWi-2 disconnects at this time and normally opened contact is closed, simultaneously
Controller circuitry sends messages to Direct Current Distribution Unit by CAN bus, and Direct Current Distribution Unit exports A of the rechargeable electrical energy into figure
Point；At this point, battery i is then Direct Current Distribution Unit power supply by script, Direct Current Distribution Unit is converted to by selecting switching to open
Powered-down road SWi-2 and cut-out switch circuit SWi-1 is battery i charging.
When needing battery i electric discharge (guaranteeing the pole plate activity of battery i), controller module controls cut-out switch circuit
SWi-1 continues to be closed, while the actuating of relay of control selections switching circuit SWi-2, and selected on-off circuit SWi-2's is normal at this time
Closed contact disconnects and normally opened contact is closed, while controller circuitry sends messages to Direct Current Distribution Unit by CAN bus and informs
Direct Current Distribution Unit not export the rechargeable electrical energy on the road, while controller circuitry control discharge switching circuit SWi-3 closure, this
When battery i pass through cut-out switch circuit SWi-1, selected on-off circuit SWi-2 and discharge switching circuit SWi-3 and discharge circuit
It connects and discharges.
When external communication power supply electric energy disconnects (for example power failure), it is direct current with only that battery i, which is discharge condition, at this time
Member provides electric energy supply；If the output voltage of battery i is too low at this time, then it represents that the off-capacity of battery i at this time, but this
When Direct Current Distribution Unit and rechargeable electrical energy can not be provided for battery, therefore battery i overdischarge in order to prevent, controller at this time
Circuit control cut-out switch SWi-1 is directly disconnected, and battery i is cut off current supply circuit at this time, and battery i and circuit are completely disconnected
It opens, to guarantee that battery i will not overdischarge.
Claims (7)
1. a kind of novel base station DC power supply apparatus, including Alternating Current Unit, the road N rectification module, Direct Current Distribution Unit and the road M
Battery, it is characterised in that further include all the way battery plug into module；Alternating Current Unit, the road N rectification module and DC distribution list
Member is sequentially connected in series, and battery connection battery in the road M is plugged into the input terminal of module, and battery is plugged into the output end connection DC distribution of module
Unit；Externally input AC energy is by being converted to the road N direct current energy after Alternating Current Unit and the road N rectification module and passing through
Direct Current Distribution Unit is powered to back end communications equipment；The road M battery is used to pass through electricity when externally input AC energy disconnects
Pond plug into module to Direct Current Distribution Unit provide spare direct current energy to for rear end communication equipment power；Battery is plugged into module
Be also used to obtain when battery needs to charge from Direct Current Distribution Unit and electric energy and charge a battery, and for certain all the way
Battery cuts off the discharge channel of the road battery when being discharged to blanking voltage；The N and M is natural number.
2. novel base station DC power supply apparatus according to claim 1, it is characterised in that the battery is plugged into module packet
Include the road M cut-out switch circuit, the road M selected on-off circuit, the road M DC/DC conversion circuit, controller circuitry, discharge circuit, electric discharge are opened
Powered-down road, the road M voltage detecting circuit, the road M current detection module；Cut-out switch circuit is all connected with per the output end of battery all the way
Input terminal, cut-out switch circuit, selected on-off circuit and DC/DC conversion circuit be sequentially connected in series, discharge circuit and discharge switch
Circuit concatenation, voltage detecting circuit and current detection circuit are both connected to the output end of battery, the input of discharge switching circuit
The output end of end connection selected on-off circuit, the control terminal of discharge switching circuit, the control terminal of cut-out switch circuit, selection switch
The output end of the control terminal of circuit, the output end of voltage detecting circuit and current detection circuit is all connected with controller circuitry；Control
Device circuit also passes through telecommunication circuit and connects Direct Current Distribution Unit；The discharge circuit discharges for discharging battery
The signal that switching circuit is used to be exported according to controller circuitry accesses or excision discharge circuit；Voltage detecting circuit is stored for detecting
The output voltage of battery simultaneously uploads controller circuitry；Current detection circuit is used to detect the output electric current of battery and uploads control
Device circuit；Cut-out switch circuit is used to receive the output signal of controller circuitry and accesses or cut off corresponding battery；Choosing
Switching circuit is selected to be used to receive the output signal of controller circuitry and battery is accessed the DC/DC conversion circuit of rear end or is incited somebody to action
The discharge circuit of battery access rear end；DC/DC conversion circuit is for being converted to the direct current energy that corresponding battery exports
Unified direct current energy and input direct-current power distribution unit of the direct current with single unit needs；Controller circuitry is for controlling the battery
Module of plugging into work, while output signal of communication is also used for Direct Current Distribution Unit, so that direct current is with single output charging electricity
It can be to charge the battery；The rechargeable electrical energy output end of Direct Current Distribution Unit is directly connected to the input terminal of discharge switching circuit, thus
The rechargeable electrical energy for guaranteeing Direct Current Distribution Unit output can be battery progress by selected on-off circuit and cut-out switch circuit
Charging.
3. novel base station DC power supply apparatus according to claim 2, it is characterised in that the cut-out switch circuit is
Relay circuit or contactor circuit.
4. novel base station DC power supply apparatus according to claim 2, it is characterised in that the selected on-off circuit is
The relay circuit of normally closed node or there is normally opened node and all the way normally closed node all the way with normally opened node all the way and all the way
Contactor circuit.
5. novel base station DC power supply apparatus according to claim 2, it is characterised in that the discharge switching circuit is
Relay circuit or contactor circuit.
6. novel base station DC power supply apparatus according to claim 2, it is characterised in that the controller circuitry is PLC
Controller circuitry or Special industrial controller circuitry.
7. novel base station DC power supply apparatus according to claim 2, it is characterised in that the controller circuitry is also logical
Telecommunication circuit connection Direct Current Distribution Unit is crossed, specially controller circuitry connects Direct Current Distribution Unit by CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173420.6U CN209029984U (en) | 2018-12-24 | 2018-12-24 | Novel base station DC power supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173420.6U CN209029984U (en) | 2018-12-24 | 2018-12-24 | Novel base station DC power supply apparatus |
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| Publication Number | Publication Date |
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| CN209029984U true CN209029984U (en) | 2019-06-25 |
Family
ID=66911649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822173420.6U Active CN209029984U (en) | 2018-12-24 | 2018-12-24 | Novel base station DC power supply apparatus |
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| Country | Link |
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| CN (1) | CN209029984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725885A (en) * | 2020-07-22 | 2020-09-29 | 辽宁凯信工业技术工程有限公司 | Intelligent power-switching and 5G base station standby power supply system |
-
2018
- 2018-12-24 CN CN201822173420.6U patent/CN209029984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725885A (en) * | 2020-07-22 | 2020-09-29 | 辽宁凯信工业技术工程有限公司 | Intelligent power-switching and 5G base station standby power supply system |
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