CN204928120U - Side direct current device of distributed main website based on sharing storage battery - Google Patents
Side direct current device of distributed main website based on sharing storage battery Download PDFInfo
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- CN204928120U CN204928120U CN201520655707.6U CN201520655707U CN204928120U CN 204928120 U CN204928120 U CN 204928120U CN 201520655707 U CN201520655707 U CN 201520655707U CN 204928120 U CN204928120 U CN 204928120U
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Abstract
The utility model discloses a side direct current device of distributed main website based on sharing storage battery, including a direct current system of main website and at least one vice station direct current system, through transmission of electricity cable transmission electric energy between direct current system of main website and the vice station direct current system to it has the battery to embed at the direct current system of main website, and its characterized in that only installs direct current device in the direct current system of main website, and the direct current device among the direct current system of main website is connected with vice station direct current system's switch block module. Adopt side direct current device of distributed main website based on sharing storage battery because the battery can not installed in vice station, has reduced and has used battery quantity, can fall low running cost and the stolen risk of battery to a certain extent, vice basic station does not have the battery, can work in the basic station at wideer temperature range, has reduced the air conditioner use, has reduced energy losses.
Description
Technical field
The utility model relates to a kind of distributing main website side DC power supply apparatus based on shared batteries and method, belongs to communication base station power supply unit technical field.
Background technology
At present, domestic in certain area, have multiple base station case adhering to different communication operator separately commonplace, at this, base station within the scope of circumference 500 meters is referred to as " adjacent " base station.All there are the auxiliary facilities such as independently civil power introducing, direct current supply each base station.For the steel tower company having domestic whole base stations auxiliary facility property right, the corollary equipment such as Switching Power Supply, storage battery, air-conditioning that adjacent base station " excess " configures, significantly increase equipment power dissipation, particularly storage battery requires harsh to operating ambient temperature, base-station environment temperature controls about 25 DEG C usually, annual base station air conditioner power consumption accounts for about 50% of base station total electricity consumption, is both unfavorable for energy-saving and emission-reduction, also increases regular maintenance and breakdown repair workload; Simultaneously the probability that simultaneously has a power failure of adjacent base station civil power is very large, and a generating vehicle is often difficult to the demand ensureing adjacent multiple base stations emergency service.Integrate the emphasis that adjacent base station corollary equipment resource certainly will become base station energy-saving emission reduction work.
In current macro base station, corollary equipment is deployed with following characteristics:
1, each base station is all configured with the corollary equipments such as independent, complete civil power introducing, DC power-supply system and air-conditioning;
2, in base station, storage battery is comparatively responsive to temperature, and in machine room, temperature controls usually at about 25 DEG C.The power consumption of annual air conditioner in machine room refrigeration accounts for 50% of whole machine room power consumption, and power consumption is considerable;
3, in certain area, the adjacent phenomenon in the multiple base station of different communication operator is comparatively general;
4, the corollary equipment such as Switching Power Supply, storage battery, air-conditioning that adjacent base station " excess " configures adds equipment power dissipation, increases corollary equipment regular maintenance and breakdown repair workload; When adjacent base station civil power has a power failure simultaneously, need multiple stage generating vehicle guarantee multiple adjacent base station emergency service demand.
Based on foregoing description, how to ensure under adjacent multiple base station direct-flow electricity utilization apparatus safe operation prerequisite, reduce corollary equipment, reduction corollary equipment power consumption that adjacent base station " excess " configures as far as possible, avoid taking too much maintenance resources, will operator and steel tower company important topic urgently to be resolved hurrily be become.
Utility model content
The purpose of this utility model is to design a kind of distributing main website side DC power supply apparatus based on shared batteries, under the adjacent multiple base station direct-flow electricity utilization apparatus safe operation prerequisite of guarantee, reduce corollary equipment, reduction corollary equipment power consumption that adjacent base station " excess " configures as far as possible, avoid taking too much maintenance resources.
The purpose of this utility model carrys out specific implementation by the following technical programs:
A kind of distributing main website side DC power supply apparatus based on shared batteries, comprise a main website DC power-supply system and at least one secondary station DC power-supply system, by power transmission cable electric energy transmitting between main website DC power-supply system and secondary station DC power-supply system, and be built-in with storage battery in main website DC power-supply system, it is characterized in that, only in main website DC power-supply system, DC power supply apparatus is installed, the switches set model calling of the DC power supply apparatus in main website DC power-supply system and secondary station DC power-supply system.
Main website DC power-supply system comprises storage battery, switches set module, principal switch, second switch and several rectification modules, storage battery is connected with one end of switches set module, the other end of switches set module is successively connected with second switch, principal switch, at the indirect DC bus of second switch and principal switch, principal switch is connected with several rectification modules by DC bus.
Secondary station DC power-supply system comprises switches set module, principal switch, second switch and several rectification modules, power transmission cable is connected with one end of switches set module, the other end of switches set module is successively connected with second switch, principal switch, at the indirect DC bus of principal switch and principal switch, principal switch is connected with several rectification modules by DC bus.
Described DC power supply apparatus input is connected on certain switch in the DC bus of main website DC power-supply system or DC loop, on the circuit between output and power transmission cable.
Described DC power supply apparatus, be made up of voltage stabilizing circuit, current detection circuit, control circuit and voltage detecting circuit, described voltage stabilizing circuit is connected in series with current detection circuit and enters in circuit, and the external described control circuit of described voltage stabilizing circuit, described voltage detecting circuit is connected with described control circuit.
Described voltage stabilizing circuit comprises transformer T7, and the input of transformer is connected with the first rectifier circuit, and the output of transformer is connected with the second rectifier circuit.
Described first rectifier circuit is made up of four N-MOS pipes.
Described second rectifier circuit is made up of four diodes.
Described DC power supply apparatus, supports the one-way flow of electric energy, namely from input to output, does not support the reverse flow of electric energy.There is the functions such as isolation, short-circuit protection, avoid causing influencing each other between base station because of reasons such as short circuits; By judging the information such as input, output voltage, electric current, can judge that whether the connection between device and main website or secondary station is normal, being convenient to maintenance.
Adopt the distributing main website side DC power supply apparatus based on shared batteries described in the utility model, because secondary station can uneasy holding storage battery, decrease and using storage battery quantity, can cut operating costs to a certain extent and risk that storage battery is stolen; Secondary base station does not have storage battery, can be operated in wider temperature range in base station, decreases air-conditioning and uses, reduce electric energy loss.
When having multiple adjacent base station within the specific limits, storage battery can be installed concentratedly in a base station, and this base station is called main website, and the base station being removed storage battery is called as secondary station, and main website serves as the standby electricity of secondary station, is connected between major-minor station with direct current cable.Main website DC power-supply system output loop is by DC power supply apparatus and power transmission cable access secondary station DC power-supply system, as the standby electricity of secondary station, when in secondary base station, DC power-supply system normally works, main website can not export energy to secondary station, therefore cable waste between major-minor station is negligible, reduces electric energy loss; Under can realizing the uneasy holding storage battery situation of secondary station, meet the demand that secondary station direct-flow electricity utilization apparatus runs without interruption; Due to the uneasy holding storage battery in secondary base station, decrease maintenance cost and the equipment investment of storage battery.
Accompanying drawing explanation
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is the structure chart of the utility model embodiment.
Fig. 2 is the circuit diagram of the Voltage stabilizing module of DC power supply apparatus.
Embodiment
As shown in Figure 1-2, a kind of DC power supply apparatus 3 that the embodiment of the present invention provides, be made up of voltage stabilizing circuit, current detection circuit, control circuit and voltage detecting circuit, described voltage stabilizing circuit is connected in series with current detection circuit and enters in circuit, the external described control circuit of described voltage stabilizing circuit, described voltage detecting circuit is connected with described control circuit.
Described voltage stabilizing circuit comprises transformer T7, and the input of transformer is connected with the first rectifier circuit, and the output of transformer is connected with the second rectifier circuit.
Described first rectifier circuit is made up of four N-MOS pipe Q1.
Described second rectifier circuit is made up of four diode D1.
As shown in Figure 1, a kind of distributing main website side DC power supply apparatus based on shared batteries that the embodiment of the present invention provides, use described DC power supply apparatus 3, comprise a main website DC power-supply system 1 and at least one secondary station DC power-supply system 2, by power transmission cable 8 electric energy transmitting between main website DC power-supply system 1 and secondary station DC power-supply system 2, and be built-in with storage battery 7 in main website DC power-supply system 1, only described DC power supply apparatus 3 is installed in main website DC power-supply system 1.
Main website DC power-supply system 1 comprises storage battery 7, switches set module 4, principal switch 6, second switch 5 and several rectification modules, storage battery 7 is connected with one end of switches set module 4, the other end of switches set module is successively connected with second switch, principal switch, at the indirect DC bus of second switch and principal switch, principal switch is connected with several rectification modules by DC bus.
Secondary station DC power-supply system comprises switches set module, principal switch, second switch and several rectification modules, power transmission cable is connected with one end of switches set module, the other end of switches set module is successively connected with second switch, principal switch, at the indirect DC bus of second switch and principal switch, principal switch is connected with several rectification modules by DC bus.
Preferably, described DC power supply apparatus 3 input is connected on the DC bus of main website DC power-supply system 1, or on certain switch in DC loop.Output is connected on power transmission cable.
Further preferred, described DC power supply apparatus 3 input is connected on the DC bus of main website DC power-supply system 1.
Described DC power supply apparatus, supports the one-way flow of electric energy, namely from input to output, does not support the reverse flow of electric energy.There is the functions such as isolation, short-circuit protection, avoid causing influencing each other between base station because of reasons such as short circuits; By judging the information such as input, output voltage, electric current, can judge that whether the connection between device and main website or secondary station is normal, being convenient to maintenance.
Adopt the distributing main website side DC power supply apparatus based on shared batteries of the present invention, because secondary station can uneasy holding storage battery, can cut operating costs to a certain extent and risk that storage battery is stolen; Secondary base station does not have storage battery, can be operated in wider temperature range in base station, decreases air-conditioning and uses, reduce electric energy loss.
When having multiple adjacent base station within the specific limits, storage battery can be installed concentratedly in a base station, and this base station is called main website, and the base station being removed storage battery is called as secondary station, and main website serves as the standby electricity of secondary station, is connected between major-minor station with direct current cable.Main website DC power-supply system output loop is by DC power supply apparatus and power transmission cable access secondary station DC power-supply system, as the standby electricity of secondary station, when in secondary base station, DC power-supply system normally works, main website can not export energy to secondary station, therefore cable waste between major-minor station is negligible, reduces electric energy loss; Under can realizing the uneasy holding storage battery situation of secondary station, meet the demand that secondary station direct-flow electricity utilization apparatus runs without interruption; Due to the uneasy holding storage battery in secondary base station, decrease maintenance cost and the equipment investment of storage battery.
Claims (8)
1. the distributing main website side DC power supply apparatus based on shared batteries, comprise a main website DC power-supply system and at least one secondary station DC power-supply system, by power transmission cable electric energy transmitting between main website DC power-supply system and secondary station DC power-supply system, and be built-in with storage battery in main website DC power-supply system, it is characterized in that, only in main website DC power-supply system, DC power supply apparatus is installed, the switches set model calling of the DC power supply apparatus in main website DC power-supply system and secondary station DC power-supply system.
2. a kind of distributing main website side DC power supply apparatus based on shared batteries as claimed in claim 1, it is characterized in that, main website DC power-supply system comprises storage battery, switches set module, principal switch, second switch and several rectification modules, storage battery is connected with one end of switches set module, the other end of switches set module is successively connected with second switch, principal switch, at the indirect DC bus of second switch and principal switch, principal switch is connected with several rectification modules by DC bus.
3. a kind of distributing main website side DC power supply apparatus based on shared batteries as claimed in claim 1, it is characterized in that, secondary station DC power-supply system comprises switches set module, principal switch, second switch and several rectification modules, power transmission cable is connected with one end of switches set module, the other end of switches set module is successively connected with second switch, principal switch, at the indirect DC bus of second switch and principal switch, principal switch is connected with several rectification modules by DC bus.
4. a kind of distributing main website side DC power supply apparatus based on shared batteries as claimed in claim 3, it is characterized in that, described DC power supply apparatus input is connected on certain switch in the DC bus of main website DC power-supply system or DC loop, on the circuit between output and power transmission cable.
5. a kind of distributing main website side DC power supply apparatus based on shared batteries as claimed in claim 4, it is characterized in that, described DC power supply apparatus, be made up of voltage stabilizing circuit, current detection circuit, control circuit and voltage detecting circuit, described voltage stabilizing circuit is connected in series with current detection circuit and enters in circuit, the external described control circuit of described voltage stabilizing circuit, described voltage detecting circuit is connected with described control circuit.
6. a kind of distributing main website side DC power supply apparatus based on shared batteries as claimed in claim 5, it is characterized in that, described voltage stabilizing circuit comprises transformer T7, and the input of transformer is connected with the first rectifier circuit, and the output of transformer is connected with the second rectifier circuit.
7. a kind of distributing main website side DC power supply apparatus based on shared batteries as claimed in claim 6, it is characterized in that, described first rectifier circuit is made up of four N-MOS pipes.
8. a kind of distributing main website side DC power supply apparatus based on shared batteries as claimed in claim 6, it is characterized in that, described second rectifier circuit is made up of four diodes.
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CN201520655707.6U CN204928120U (en) | 2015-08-27 | 2015-08-27 | Side direct current device of distributed main website based on sharing storage battery |
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CN201520655707.6U CN204928120U (en) | 2015-08-27 | 2015-08-27 | Side direct current device of distributed main website based on sharing storage battery |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111669669A (en) * | 2020-06-15 | 2020-09-15 | 广东南方电信规划咨询设计院有限公司 | Communication base station power supply system, 5G communication system, power supply network and communication network |
CN111884197A (en) * | 2020-09-17 | 2020-11-03 | 金国卫 | Intelligent direct-current power distribution system |
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2015
- 2015-08-27 CN CN201520655707.6U patent/CN204928120U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111669669A (en) * | 2020-06-15 | 2020-09-15 | 广东南方电信规划咨询设计院有限公司 | Communication base station power supply system, 5G communication system, power supply network and communication network |
CN111884197A (en) * | 2020-09-17 | 2020-11-03 | 金国卫 | Intelligent direct-current power distribution system |
CN111884197B (en) * | 2020-09-17 | 2024-03-19 | 安徽省金屹电源科技有限公司 | Intelligent direct current power distribution system |
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