CN104427542A - Direct current power failure detection method for RRU (radio remote unit) of distributed base station and distributed base station - Google Patents
Direct current power failure detection method for RRU (radio remote unit) of distributed base station and distributed base station Download PDFInfo
- Publication number
- CN104427542A CN104427542A CN201310392251.4A CN201310392251A CN104427542A CN 104427542 A CN104427542 A CN 104427542A CN 201310392251 A CN201310392251 A CN 201310392251A CN 104427542 A CN104427542 A CN 104427542A
- Authority
- CN
- China
- Prior art keywords
- coil
- rru
- tongue tube
- base station
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
The invention provides a direct current power failure detection method for an RRU (radio remote unit) of a distributed base station and the distributed base station. A coil is connected in series on a direct current power line that a direct current distribution unit is connected with the RRU; a reed pipe is put in the coil; a switch of the reed pipe is connected with a power failure alarm device; when current flowing through the coil is greater than or equal to a preset value, a contact of the switch of the reed pipe is closed; when the current flowing through the coil is less than the preset value, the contact of the switch of the reed pipe is disconnected; power failure alarm information is sent out by the power failure alarm device when the switch of the reed pipe is interrupted. By adopting the method and the base station provided by the invention, the cost can be reduced.
Description
Technical field
The present invention relates to the communication technology, particularly relate to a kind of distributed base station Remote Radio Unit (RadioRemote Unit is called for short RRU) direct current power failure detection method and distributed base station.
Background technology
In third generation wireless communication technology, adopt distributed base station, distributed base station is by baseband processing unit (Baseband Unit is called for short BBU) and RRU composition.In outdoor scene, RRU is arranged on below open antenna, and BBU is arranged on indoor machine room, and RRU zooms out power supply by 48V direct current (DirectionCurrent the is called for short DC) power supply of machine room, realizes exchanges data between BBU and RRU by optical fiber.To in the regular maintenance of base station, need to know RRU whether direct current power down by detecting.
Because RRU adopts 48V to power, brownout, RRU adopts DC filter capacitor as energy-storage travelling wave tube, because the energy storage of customary DC filter capacitor is too little, can not meet the requirement of holding time of detection of power loss and warning circuit report and alarm.At present, industry has the scheme increasing the power storage element such as vast capacity electric capacity or battery or assembly in RRU inside, extends the complete machine maintenance work time after power-off.
If adopt above-mentioned RRU direct current power failure detection method, the Material Cost of energy-storage travelling wave tube is high, and need to consider the problem such as the power-on impact current of electric capacity or the management of charging and discharging of battery, difficulty is brought to the circuitry design of RRU, substantially increases the design and manufacture cost of RRU.Also cannot apply this scheme for the equipment disposed at carrier network to rectify and improve.
Summary of the invention
First aspect of the present invention is to provide a kind of distributed base station RRU direct current power failure detection method, in order to solve defect of the prior art, cost-saving.
Another aspect of the present invention is to provide a kind of distributed base station, in order to solve defect of the prior art, cost-saving.
First aspect of the present invention is to provide a kind of distributed base station radio frequency remote unit RRU direct current power failure detection method, comprising:
Series coil on the direct current DC power line that Direct Current Distribution Unit DCDU is connected with radio frequency remote unit RRU, places tongue tube in described coil, and the switch of described tongue tube is connected to power fail warning device;
When the electric current by described coil is more than or equal to preset value, the closing of contact of the switch of described tongue tube, when the electric current by described coil is less than preset value, the contact of the switch of described tongue tube disconnects;
Described power fail warning device sends power fail warning information when the switch of described tongue tube disconnects.
Method as above, wherein,
Described power fail warning device is power supply in indoor baseband processing unit BBU and Environment Monitor Unit;
Or described power fail warning device is an independently environment monitoring equipment.
Another aspect of the present invention is to provide a kind of distributed base station, comprising:
Direct Current Distribution Unit DCDU, connects direct current DC power and radio frequency remote unit RRU;
Coil, is connected on power line that described DCDU is connected with described RRU;
Tongue tube, be positioned in described coil, the switch of described tongue tube is connected to power fail warning device, when the electric current by described coil is more than or equal to preset value, the closing of contact of the switch of described tongue tube, when the electric current by described coil is less than preset value, the contact of the switch of described tongue tube disconnects;
Described RRU, connects described DCDU, described coil that the power line connecting described DCDU is connected;
Described power fail warning device, for sending power fail warning information when the switch of described tongue tube disconnects.
Appliance arrangement system as above, wherein,
Described power fail warning device is power supply in indoor baseband processing unit BBU and Environment Monitor Unit;
Or described power fail warning device is an independently environment monitoring equipment.
From foregoing invention content, by the coil of built-in tongue tube that the power line that connects at DCDU and RRU is connected, the Magnetic control tongue tube produced after coil electricity turns off, thus determines RRU whether power down according to the off state of tongue tube.Adopt such scheme, energy-storage travelling wave tube need not be added in RRU, any technological improvement need not be carried out to RRU, because the Material Cost of coil and tongue tube is well below the Material Cost of energy-storage travelling wave tube, therefore adopt this distributed base station to save cost.
Accompanying drawing explanation
Fig. 1 is the electrical power distribution of the distributed base station of the embodiment of the present invention one and the structural representation of RRU direct current power fail warning;
Fig. 2 is the distributed base station RRU direct current power failure detection method flow chart of the embodiment of the present invention two.
Embodiment
Fig. 1 is the electrical power distribution of the distributed base station of the embodiment of the present invention one and the structural representation of RRU power fail warning.As shown in the figure, this distributed base station at least comprises: Direct Current Distribution Unit (DirectionCurrent Distribution Unit is called for short DCDU) 11, coil 12, tongue tube 13, RRU14, further, can also comprise BBU15.
Wherein, DCDU11 connects DC power supply and described RRU14.This DC power supply is positioned at distributed base station outside, the power supply that the RRU14 for distributed base station powers.Coil 12 is connected on the power line that described DCDU11 is connected with described RRU14.Tongue tube 13 is positioned in described coil 12, the switch of described tongue tube 13 is connected to power fail warning device, when the electric current by described coil 12 is more than or equal to preset value, the closing of contact of the switch of described tongue tube 13, when the electric current by described coil 12 is less than preset value, the contact of the switch of described tongue tube 13 disconnects.Described RRU14 connects described DCDU11, described coil 12 that the power line connecting described DCDU11 at described RRU14 is connected.Described power fail warning device is used for sending power fail warning information when the switch of described tongue tube 13 disconnects.
In the distributed base station shown in Fig. 1, be only that power supply in described BBU15 and Environment Monitor Unit are explained for this power fail warning device.In other specific implementation, described power fail warning device also can be an independently environment monitoring equipment.
On the power cable that DCDU and RRU is interconnected, a series connection coil, places a tongue tube in this coil inside, forms power down transducer by this coil and tongue tube.Have in coil electric current by time can produce magnetic field, produce closed by the contact switch of this field drives tongue tube or disconnect action, being collected the action message of the contact switch of tongue tube by the power supply of BBU and Environment Monitor Unit, and upload alarm signal to webmaster.In technique scheme, when the electric current that the DC power supply of 48V exports is less than preset value, the contact switch of tongue tube disconnects, and such as, this preset value can be set to 0.5A.Further, the contact switch of tongue tube specifically can be connected to the external alarm contact of power supply and Environment Monitor Unit, and when the contact switch of tongue tube disconnects, BBU uploads power fail warning information to webmaster.
In the embodiment of the present invention one, by the coil of built-in tongue tube that the power line that connects at DCDU and RRU is connected, the Magnetic control tongue tube produced after coil electricity turns off, thus determines RRU whether power down according to the off state of tongue tube.Adopt such scheme, energy-storage travelling wave tube need not be added in RRU, any technological improvement need not be carried out to RRU, because the Material Cost of coil and tongue tube is well below the Material Cost of energy-storage travelling wave tube, therefore adopt this distributed base station to save cost.
Fig. 2 is the flow chart of the distributed base station RRU direct current power failure detection method of the embodiment of the present invention two.RRU direct current power failure detection method described in embodiment two is applicable to the distributed base station shown in Fig. 1, and as shown in Figure 2, the method comprises following process.
Step 201: when the electric current by described coil is more than or equal to preset value, the closing of contact of the switch of described tongue tube, when the electric current by described coil is less than preset value, the contact of the switch of described tongue tube disconnects.
Step 202: described power fail warning device sends power fail warning information when the switch of described tongue tube disconnects.
On the basis of technique scheme, further, described power fail warning device can be power supply in described BBU and Environment Monitor Unit.In other specific implementation, described power fail warning device also can be an independently environment monitoring equipment.
In the embodiment of the present invention two, by the coil of built-in tongue tube that the power line that connects at DCDU and RRU is connected, the Magnetic control tongue tube produced after coil electricity turns off, when the electric current by described coil is less than preset value, the switch of described tongue tube disconnects, and power fail warning device sends power fail warning information when the switch of described tongue tube disconnects.Adopt above-mentioned distributed base station RRU direct current power failure detection method, energy-storage travelling wave tube need not be added in RRU, any improvement need not be carried out to RRU, because the Material Cost of coil and tongue tube is well below the Material Cost of energy-storage travelling wave tube, therefore adopt this distributed base station to save cost.
Distributed base station RRU direct current power failure detection method provided by the invention, the excitation coil be connected in current supply circuit is utilized to drive the contact switch of tongue tube to judge current supply circuit electric current, realize RRU detection of power loss, in order to solve the detection of power loss of 3G radio communication base station far-end RRU, the defects such as the technical sophistication avoiding use energy storage device to bring and cost increase problem.And for the on-line apparatus disposed, in current supply circuit, connect the power loss detection means such as tongue tube according to above-described embodiment series coil by scene, can realize power fail warning function, without the need to returning factory's rectification.
State on the invention in embodiment, because power down transducer is serially connected in power circuit, at RRU
during normal work, by the electric current of coil between 1 to 10A, therefore, this coil adopts the coil that resistance is less, to reduce the useless power consumption that resistance causes and the heating brought as far as possible.Make the resistance of coil little, then require that coil uses thicker copper enamelled wire, and will loop length be shortened, namely will reduce the number of turns of coil.For the coil meeting above-mentioned requirements, the magnetic field in this coil is more weak, therefore, needs to select high sensitive magneto sensor, adopts tongue tube to meet the demands.
And, adopt such scheme of the present invention, circuit is simple, without the need to arranging the energy-storage travelling wave tubes such as vast capacity electric capacity or battery in RRU, to RRU and BBU all without the need to carrying out any scrap build and software upgrading, to current webmastering software also without the need to carrying out software upgrading, such scheme is applicable to the RRU of all types of direct current supply, other far-end DC suppling equipment also can adopt, and, no matter that the RRU device of RRU device or the new production manufacture disposed in existing network all can use, versatility and flexibility strong.Further, the Material Cost of above-mentioned power down transducer is very low, only needs 3 yuans, adds that the Material Cost of cable is also less than 10 yuans, has saved cost.Further, by adopting such scheme to carry out laboratory test to many moneys RRU device, the rate of accuracy reached of detection of power loss is to 100%, and the accuracy rate that the program detects power down is high.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a distributed base station radio frequency remote unit RRU direct current power failure detection method, is characterized in that, comprising:
Series coil on the direct current DC power line that Direct Current Distribution Unit DCDU is connected with radio frequency remote unit RRU, places tongue tube in described coil, and the switch of described tongue tube is connected to power fail warning device;
When the electric current by described coil is more than or equal to preset value, the closing of contact of the switch of described tongue tube, when the electric current by described coil is less than preset value, the contact of the switch of described tongue tube disconnects;
Described power fail warning device sends power fail warning information when the switch of described tongue tube disconnects.
2. method according to claim 1, is characterized in that,
Described power fail warning device is power supply in indoor baseband processing unit BBU and Environment Monitor Unit;
Or described power fail warning device is an independently environment monitoring equipment.
3. a distributed base station, is characterized in that, comprising:
Direct Current Distribution Unit DCDU, connects direct current DC power and radio frequency remote unit RRU;
Coil, is connected on power line that described DCDU is connected with described RRU;
Tongue tube, be positioned in described coil, the switch of described tongue tube is connected to power fail warning device, when the electric current by described coil is more than or equal to preset value, the closing of contact of the switch of described tongue tube, when the electric current by described coil is less than preset value, the contact of the switch of described tongue tube disconnects;
Described RRU, connects described DCDU, described coil that the power line connecting described DCDU is connected;
Described power fail warning device, for sending power fail warning information when the switch of described tongue tube disconnects.
4. distributed base station according to claim 3, is characterized in that,
Described power fail warning device is power supply in indoor baseband processing unit BBU and Environment Monitor Unit;
Or described power fail warning device is an independently environment monitoring equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392251.4A CN104427542A (en) | 2013-09-02 | 2013-09-02 | Direct current power failure detection method for RRU (radio remote unit) of distributed base station and distributed base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392251.4A CN104427542A (en) | 2013-09-02 | 2013-09-02 | Direct current power failure detection method for RRU (radio remote unit) of distributed base station and distributed base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104427542A true CN104427542A (en) | 2015-03-18 |
Family
ID=52975231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310392251.4A Pending CN104427542A (en) | 2013-09-02 | 2013-09-02 | Direct current power failure detection method for RRU (radio remote unit) of distributed base station and distributed base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104427542A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3537847A4 (en) * | 2016-11-29 | 2020-02-12 | Huawei Technologies Co., Ltd. | Method and device for power outage handling and acquiring connection relations |
| CN113316100A (en) * | 2020-02-26 | 2021-08-27 | 成都鼎桥通信技术有限公司 | Client terminal equipment and power failure reporting method of client terminal equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158894Y (en) * | 1993-05-28 | 1994-03-16 | 鞠德茂 | Pliable tube siphon sanitary cleaner |
| CN2481031Y (en) * | 2001-05-14 | 2002-03-06 | 国春廷 | Multi-function power switching off alarm device |
| CN101618744A (en) * | 2009-08-06 | 2010-01-06 | 杭州六易科技有限公司 | Battery jar double theftproof alarming device |
| CN101736949A (en) * | 2008-11-21 | 2010-06-16 | 上海市嘉定区南翔小学 | Alarm circuit |
-
2013
- 2013-09-02 CN CN201310392251.4A patent/CN104427542A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158894Y (en) * | 1993-05-28 | 1994-03-16 | 鞠德茂 | Pliable tube siphon sanitary cleaner |
| CN2481031Y (en) * | 2001-05-14 | 2002-03-06 | 国春廷 | Multi-function power switching off alarm device |
| CN101736949A (en) * | 2008-11-21 | 2010-06-16 | 上海市嘉定区南翔小学 | Alarm circuit |
| CN101618744A (en) * | 2009-08-06 | 2010-01-06 | 杭州六易科技有限公司 | Battery jar double theftproof alarming device |
Non-Patent Citations (2)
| Title |
|---|
| 孟贵华: "《电子元器件选用入门》", 31 January 2005, 机械工业出版社 * |
| 沈江伟: "自制断电报警器", 《广电电器网》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3537847A4 (en) * | 2016-11-29 | 2020-02-12 | Huawei Technologies Co., Ltd. | Method and device for power outage handling and acquiring connection relations |
| US11206556B2 (en) | 2016-11-29 | 2021-12-21 | Huawei Technologies Co., Ltd. | Power outage processing method and connection relationship obtaining method and device |
| CN113316100A (en) * | 2020-02-26 | 2021-08-27 | 成都鼎桥通信技术有限公司 | Client terminal equipment and power failure reporting method of client terminal equipment |
| CN113316100B (en) * | 2020-02-26 | 2022-11-04 | 成都鼎桥通信技术有限公司 | Client terminal equipment and power failure reporting method of client terminal equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103209097B (en) | A kind of communication equipment and power fail warning method thereof | |
| CN204243896U (en) | For the on off state monitoring device of power distribution network | |
| CN203377624U (en) | Communication lithium iron phosphate battery remote communication alarm device | |
| CN106327838A (en) | Temperature alarm device and system, and refrigerator | |
| CN105322626A (en) | Wirelessly charged intelligent shopping cart and wireless charging system therefor | |
| CN104427542A (en) | Direct current power failure detection method for RRU (radio remote unit) of distributed base station and distributed base station | |
| CN102749553A (en) | Automatic positioning device for grounding failure of power transmission line | |
| CN101895138B (en) | Method and system for storage battery management | |
| CN105425741A (en) | Radio-communication-mode-based cooling monitoring and protection device of three-phase asynchronous motors | |
| CN103107508A (en) | Insulation monitoring and protecting control device and method for multichannel underwater motor power supply loop | |
| CN204360158U (en) | A kind of intelligent PDU system | |
| CN103595264B (en) | There is the high frequency electric source of site manual operation system | |
| CN108336719A (en) | Accumulator automatic control device and system | |
| CN202041612U (en) | Automatic locating device for earth faults of electricity transmission lines | |
| CN203800580U (en) | Intelligent controller for low voltage breaker | |
| CN204178259U (en) | A kind of intelligent remote voltage cable and temperature control equipment | |
| CN208569005U (en) | A kind of battery condition detection device | |
| CN203377627U (en) | Communication large capacity lithium iron phosphate battery intelligent management device | |
| CN207994731U (en) | One kind being used for distribution transformer monitor protective system | |
| CN204697079U (en) | The digital received and sent device that a kind of Internet of Things automatic fault detects | |
| CN204615518U (en) | A kind of wireless charging device | |
| CN206388056U (en) | A kind of Household electric energy automaton for burning voltage | |
| CN201278470Y (en) | Multifunctional uninterrupted electric power switch cabinet | |
| CN204720519U (en) | A kind of intelligent power battery modules | |
| CN210608697U (en) | Automatic maintenance system of transformer substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150318 |
|
| RJ01 | Rejection of invention patent application after publication |