CN101902068A - Alternating current/direct current power supply conversion control system - Google Patents
Alternating current/direct current power supply conversion control system Download PDFInfo
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- CN101902068A CN101902068A CN2010102463086A CN201010246308A CN101902068A CN 101902068 A CN101902068 A CN 101902068A CN 2010102463086 A CN2010102463086 A CN 2010102463086A CN 201010246308 A CN201010246308 A CN 201010246308A CN 101902068 A CN101902068 A CN 101902068A
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Abstract
The invention belongs to the field of mobile communication devices, and particularly relates to an alternating current/direct current power supply conversion control system used for supplying power to repeaters, which comprises a shell, wherein the shell contains an alternating current/direct current power supply conversion module which is connected in the power supply circuit of a terminal device in series; the port of the alternating current/direct current power supply conversion module is connected with the port of a storage battery; the alternating current/direct current power supply conversion module comprises an anti-jamming part, a rectification conditioning part, a flyback converter, a push-pull converter and a detection control part; one output port of the anti-jamming part is connected with the input port of the terminal device via the rectification conditioning part; the other output port of the anti-jamming part is connected with the port of the storage battery via the rectification conditioning part and the flyback converter; one port of the detection control part is connected with the output port of the anti-jamming port; the other port is connected with the output port of the push-pull converter; and the output end of the detection control part is connected with the input port of the terminal device. The invention has the advantages of low cost, favorable compatibility, convenient engineering installation, low maintenance cost and high stability.
Description
Technical field
The invention belongs to the mobile communication equipment field, relate in particular to a kind of AC/DC power source conversion control system that is used for the repeater power supply.
Background technology
In today of mobile communication technology develop rapidly, communication base station and repeater spread all over the world, and abundant communication base station and repeater covering system have satisfied the demand of the daily mobile communication of people.But rural area and tourist district, the commercial power supply in remote area such as suburbs is not enough and phenomenon that power supply grid easily breaks down exists for a long time, thereby often cause mobile communication equipment operate as normal to cause the terminal use can't use mobile phone communication, influence the problem of daily life and work.
At the problems referred to above common carrier following several solution is arranged usually:
(1) buys solar cell power system, its basic composition is referring to shown in Figure 1, under the sunshine normal condition, solar panel is a power terminal equipment, be battery charging simultaneously, when the cloudy day and can't to obtain night under the situation of luminous energy by batteries be power terminal equipment, controller for solar plays the adjustment supply power voltage, the function that the control batteries discharges and recharges between terminal equipment and solar panel, batteries.
The shortcoming of this kind equipment is that cost is higher, and cost performance is low, and environment for use, uses the size of regional intensity of sunshine to produce very big influence to the operation usefulness of system.In case of night or continuous cloudy day all not providing enough electric energy for equipment; In addition, dust is easily adhered on the solar panel surface, when dust concentration is big in the air, can cause absorbing the luminous energy deficiency; Secondly, the maintenance cost height of system, terminal equipment is necessary for the solar energy special equipment.In view of this, it is big that solar cell power system is used for intensity of sunshine more, and the space is open, the area that height above sea level is higher.
(2) purchase special-purpose UPS non-firm power system, its basic composition is referring to shown in Figure 2.When mains-supplied just often, civil power is the power supply of terminal equipment and UPS power supply unit, is charge in batteries by the power source conversion control unit control power supply of UPS inside; To automatically switch to batteries be power terminal equipment to the UPS power supply unit when civil power interrupts or be unusual.The shortcoming of this kind equipment is the purchase cost height, the maintenance cost height, and environment for use is restricted, and the dustproof and waterproof performance can't be guaranteed, and is used to indoor equipment that non-firm power is provided more, and volume is subjected to the batteries volume restrictions, and often volume and weight is bigger than normal.
(3) purchase the installation remote electric power system.Remote electric power system is installed in suburbs and small towns usually, Scenic Spot Area, its basic composition is referring to shown in Figure 3, remote electric power system near-end machine is installed in the base station machine room, the output voltage of base station direct current-48V power cabinet is boosted to the 380V direct voltage through remote electric power system, for the remote electric power system remote termination provides the power supply input; Its shortcoming is that quantities is big, and input is many in advance, and installing terminal equipment is subjected to mounting distance, environment, and the physical features factor affecting is bigger, accessory cables, the optical cable laying difficulty is big.
| Current programme | Cost | Difficulty of construction | Suitable environment | Reliability | Compatible |
| Solar cell system | High | Difficult | Difference | Difference | Generally |
| Remote electric power system | High | Difficult | Generally | Good | Generally |
| UPS non-firm power system | High | Generally | Difference | Good | Generally |
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art part and provides a kind of simple in structure, and cost is low, and is compatible good, convenient engineering installation, and maintenance cost is low, the AC/DC power source conversion control system of good stability.
For achieving the above object, the present invention is achieved in that
AC/DC power source conversion control system comprises housing; Housing contains the AC/DC power transfer module that is connected in the power terminal equipment circuit; The port of described AC/DC power transfer module and the port of batteries join; Described AC/DC power transfer module comprises anti-interference part, rectification conditioning part, anti exciting converter, push-pull converter and detects control section;
Described power transfer module is a battery charging, finishes the conversion of input and out-put supply parameter simultaneously, and is power terminal equipment; The output port one tunnel of described anti-interference part joins through the input port of rectification conditioning part and terminal equipment; Its another road joins through the port of rectification conditioning part and anti exciting converter and batteries;
One port of described detection control section connects the output port of rectification conditioning part; The another port of described detection control section joins through the output port of push-pull converter and batteries; Detecting the output of control section and the input port of terminal equipment joins;
When civil power just often, it is power terminal equipment that the input power supply is handled the back through anti-interference part and rectification conditioning part, the while is a battery charging through the inner counter exciting converter; When city's electrical anomaly, detect control section and start, and the internal system circuit is switched to push-pull converter work, after the conversion of finishing input and out-put supply parameter, be power terminal equipment.
As a kind of preferred version, the present invention also can be provided with lightning protection device; The port of described lightning protection device connects the port of AC/DC power transfer module.
As another kind of preferred version, the present invention also can be provided with battery detection control circuit; The port of described battery detection control circuit connects the port of batteries.
Further, housing of the present invention can adopt die sinking cast aluminium structure.
The present invention has made full use of, has integrated the high-quality resource of common carrier, and actual engineering used device only is battery pack and power of alterating and direct current a-b box, and cost is far below the traditional standby solution of powering.Provide convenience to communication terminal device transformation in net work.
The present invention compared with prior art has following characteristics:
(1) makes full use of common carrier centralized procurement advantage compression battery purchase cost.
Battery belongs to low technology content product commonly used in emergency electric system, common carrier can be realized the purpose of cost squeeze usually by centralized purchasing.The present invention program has made full use of this existing superior resources.
(2) compatible good, multiple terminal equipment is shared with a kind of power supply plan.
At terminal equipment prime series connection power of alterating and direct current cross box of the present invention, realize the power supply conversion and control between civil power and the reserve battery.When mains-supplied just often, the AC-DC conversion case is the terminal communication power devices, is the battery backup charging simultaneously; When civil power interrupted or be unusual, it was the terminal communication power devices that AC-DC conversion case control internal circuit switches to battery backup, switched back after the city power recovery is normal to civil power to supply operating state normally again.
(3) small product size is little, and the environment for use scope is wide, and manufacturing and purchase cost are low
Power of alterating and direct current cross box container body of outer cover of the present invention adopts the die sinking cast aluminium, and it is low to produce cost in batches, can adapt to the price competition in market.The container body of outer cover volume that the present invention adopts is little and have the dustproof and waterproof function, can be suitable for multiple complicated environment for use, and easy for installation.
(4) easy to maintenance, the reliability height
Power of alterating and direct current cross box of the present invention has that volume is little, and installing/dismounting (replacing) is advantage easily, and the power of alterating and direct current conversion efficiency is up to 90%, good operating stability, dependable performance.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.Protection scope of the present invention not only is confined to the statement of following content.
Fig. 1 is the solar cell power system theory diagram;
Fig. 2 is a UPS non-firm power system principle diagram;
Fig. 3 is the remote electric power system theory diagram;
Fig. 4 is an entire block diagram of the present invention;
Fig. 5 is an AC/DC power transfer module installation diagram of the present invention;
Fig. 6 is a schematic block circuit diagram of the present invention.
Among the figure: 1 is housing; 2 is the drain pan fin; 3 is lightning protection device; 4 is the AC/DC power transfer module; 5 is water joint.
Embodiment
Shown in Fig. 4～6, AC/DC power source conversion control system comprises housing 1; Housing 1 contains the AC/DC power transfer module 4 that is connected in the power terminal equipment circuit; The port of described AC/DC power transfer module 4 and the port of batteries join; Described AC/DC power transfer module 4 is a battery charging, finishes the conversion of input and out-put supply parameter simultaneously, and is power terminal equipment.AC/DC power transfer module 4 of the present invention comprises anti-interference part, rectification conditioning part, anti exciting converter, push-pull converter and detects control section;
The output port one tunnel of described anti-interference part joins through the input port of rectification conditioning part and terminal equipment; Its another road joins through the port of rectification conditioning part and anti exciting converter and batteries;
One port of described detection control section connects the output port of rectification conditioning part; The another port of described detection control section joins through the output port of push-pull converter and batteries; Detecting the output of control section and the input port of terminal equipment joins.
Referring to shown in Figure 4, the power of alterating and direct current cross box is connected in the power terminal equipment circuit, when the civil power alternating current 220V just often, the power source conversion case is the 24V charge in batteries, becomes the 320V direct current to provide power supply for terminal equipment the 220V AC rectification simultaneously; When the civil power alternating current 220V interrupted or be unusual, the power source conversion case automatically switched to the storage battery power supply state, and it is power terminal equipment that the battery low-voltage direct current is boosted to the 320V direct current.
For ease of protection, the present invention also is provided with lightning protection device 3; The port of described lightning protection device 3 connects the port of AC/DC power transfer module.
Referring to shown in Figure 5, be the taking into account system heat radiation, the present invention is provided with drain pan fin 2 at described housing 1 internal fixation.In addition, the present invention can be provided with heat conductive pad between described housing 1 and drain pan fin 2.For ease of waterproof, the present invention is fixed with water joint 5 in the outlet of described housing 1.
When civil power just often, it is power terminal equipment that the input power supply is handled the back through anti-interference part and rectification conditioning part, the while is a battery charging through the inner counter exciting converter; When city's electrical anomaly, detect control section and start, and the internal system circuit is switched to push-pull converter work, after the conversion of finishing input and out-put supply parameter, be power terminal equipment.
In addition, the present invention also is provided with battery detection control circuit; The port of described battery detection control circuit connects the port of batteries.Housing of the present invention adopts die sinking cast aluminium structure.
Mains-supplied just often, 220V exchanges and imports when entering power transfer module, earlier through anti-interference part (EMI anti-jamming circuit and anti-surge circuit), carry out forming after the rectification upwards 220 voltages of 100Hz waveform then by rectification circuit, the effective voltage of this voltage final about 320V of formation after process interior voltage-stabilized power supply module is the power supply of terminal repeater, is battery charging through the inner counter exciting converter simultaneously.
When the civil power middle-end and when unusual, detecting control section (AC detection of power loss controller) can work and the inside modules operating circuit switched to push-pull converter work, by accumulator battery voltage boost for the 320V effective voltage be the power supply of terminal repeater.
Battery detection control circuit comprises battery overvoltage/undervoltage testing circuit and battery constant voltage charge control circuit, and its major function provides protection for batteries exactly.
Be with being appreciated that, more than about specific descriptions of the present invention, only be used to the present invention is described and be not to be subject to the described technical scheme of the embodiment of the invention, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the present invention, to reach identical technique effect; Use needs as long as satisfy, all within protection scope of the present invention.
Claims (7)
1. AC/DC power source conversion control system comprises housing (1); It is characterized in that housing (1) contains the AC/DC power transfer module (4) that is connected in the power terminal equipment circuit; The port of described AC/DC power transfer module (4) and the port of batteries join; Described AC/DC power transfer module (4) comprises anti-interference part, rectification conditioning part, anti exciting converter, push-pull converter and detects control section;
Described AC/DC power transfer module (4) is a battery charging, finishes the conversion of input and out-put supply parameter simultaneously, and is power terminal equipment; The output port one tunnel of described anti-interference part joins through the input port of rectification conditioning part and terminal equipment; Its another road joins through the port of rectification conditioning part and anti exciting converter and batteries;
One port of described detection control section connects the output port of rectification conditioning part; The another port of described detection control section joins through the output port of push-pull converter and batteries; Detecting the output of control section and the input port of terminal equipment joins;
When civil power just often, it is power terminal equipment that the input power supply is handled the back through anti-interference part and rectification conditioning part, the while is a battery charging through the inner counter exciting converter; When city's electrical anomaly, detect control section and start, and the internal system circuit is switched to push-pull converter work, after the conversion of finishing input and out-put supply parameter, be power terminal equipment.
2. AC/DC power source conversion control system according to claim 1 is characterized in that: also be provided with lightning protection device (3); The port of described lightning protection device (3) connects the port of AC/DC power transfer module.
3. AC/DC power source conversion control system according to claim 2 is characterized in that: also be provided with battery detection control circuit; The port of described battery detection control circuit connects the port of batteries.
4. AC/DC power source conversion control system according to claim 3 is characterized in that: described housing adopts die sinking cast aluminium structure.
5. AC/DC power source conversion control system according to claim 4 is characterized in that: be provided with drain pan fin (2) at described housing (1) internal fixation.
6. AC/DC power source conversion control system according to claim 5 is characterized in that: be provided with heat conductive pad between described housing (1) and drain pan fin (2).
7. AC/DC power source conversion control system according to claim 6 is characterized in that: be fixed with water joint (5) in the outlet of described housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010246308 CN101902068B (en) | 2010-08-06 | 2010-08-06 | Alternating current/direct current power supply conversion control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010246308 CN101902068B (en) | 2010-08-06 | 2010-08-06 | Alternating current/direct current power supply conversion control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101902068A true CN101902068A (en) | 2010-12-01 |
| CN101902068B CN101902068B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010246308 Active CN101902068B (en) | 2010-08-06 | 2010-08-06 | Alternating current/direct current power supply conversion control system |
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| CN (1) | CN101902068B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951284A (en) * | 2010-10-12 | 2011-01-19 | 奥维通信股份有限公司 | Remote power supply system for repeater |
| CN102684240A (en) * | 2011-03-17 | 2012-09-19 | 上海中兴派能能源科技有限公司 | Management system applied to lithium ion battery and lithium ion battery pack |
| CN107994662A (en) * | 2016-02-05 | 2018-05-04 | 广东欧珀移动通信有限公司 | Charging unit, charging method, power supply adaptor and terminal |
| CN110034502A (en) * | 2019-05-22 | 2019-07-19 | 深圳市华益电气有限责任公司 | A kind of Novel outdoor communication equipment power supply unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201430719Y (en) * | 2009-06-15 | 2010-03-24 | 常州绿威电器有限公司 | Electronic emergency inverter |
| CN201758365U (en) * | 2010-08-06 | 2011-03-09 | 奥维通信股份有限公司 | Alternating-current/direct-current power conversion control device |
-
2010
- 2010-08-06 CN CN 201010246308 patent/CN101902068B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201430719Y (en) * | 2009-06-15 | 2010-03-24 | 常州绿威电器有限公司 | Electronic emergency inverter |
| CN201758365U (en) * | 2010-08-06 | 2011-03-09 | 奥维通信股份有限公司 | Alternating-current/direct-current power conversion control device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951284A (en) * | 2010-10-12 | 2011-01-19 | 奥维通信股份有限公司 | Remote power supply system for repeater |
| CN102684240A (en) * | 2011-03-17 | 2012-09-19 | 上海中兴派能能源科技有限公司 | Management system applied to lithium ion battery and lithium ion battery pack |
| CN102684240B (en) * | 2011-03-17 | 2015-01-28 | 上海中兴派能能源科技有限公司 | Management system applied to lithium ion battery and lithium ion battery pack |
| CN107994662A (en) * | 2016-02-05 | 2018-05-04 | 广东欧珀移动通信有限公司 | Charging unit, charging method, power supply adaptor and terminal |
| CN107994662B (en) * | 2016-02-05 | 2021-08-10 | Oppo广东移动通信有限公司 | Charging device, charging method, power adapter and terminal |
| CN110034502A (en) * | 2019-05-22 | 2019-07-19 | 深圳市华益电气有限责任公司 | A kind of Novel outdoor communication equipment power supply unit |
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| Publication number | Publication date |
|---|---|
| CN101902068B (en) | 2013-06-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Du Fang Inventor after: Hu Ying Inventor after: Li Jun Inventor after: Tian Yue Inventor after: Xu Yong Inventor after: Sun Jin Inventor before: Du Fang Inventor before: Hu Ying Inventor before: Li Jun Inventor before: Tian Yue Inventor before: Xu Yong |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DU FANG HU YING LI JUN TIAN YUE XU YONG TO: DU FANG HU YING LI JUN TIAN YUE XU YONG SUN JIN |