CN201758365U - Alternating-current/direct-current power conversion control device - Google Patents
Alternating-current/direct-current power conversion control device Download PDFInfo
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- CN201758365U CN201758365U CN2010202832283U CN201020283228U CN201758365U CN 201758365 U CN201758365 U CN 201758365U CN 2010202832283 U CN2010202832283 U CN 2010202832283U CN 201020283228 U CN201020283228 U CN 201020283228U CN 201758365 U CN201758365 U CN 201758365U
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Abstract
The utility model belongs to the field of mobile communication equipment, and particularly relates to an alternating-current/direct-current power conversion control device used for power supply of a repeater, which comprises a casing. An alternating-current/direct-current power conversion module connected in series into a terminal device power supply circuit is arranged inside the casing, a port of the alternating-current/direct-current power conversion module connected with a port of a storage battery set includes an interference resisting portion, a rectifying conditioning portion, a flyback converter, a push-pull converter and a detection control portion, one path of an output port of the interference resisting portion is connected with an input port of a terminal device via the rectifying conditioning portion while another path is connected with a port of the storage battery set via the rectifying conditioning portion and the flyback converter, one port of the detection control portion is connected with the output port of the interference resisting portion while another port is connected with an input port of the push-pull converter, and an output end of the detection control portion is connected with the input port of the terminal device. The alternating-current/direct-current power conversion control device has the advantages of low cost, fine compatibility, convenient engineering installation, low maintenance cost and fine stability.
Description
Technical field
The utility model belongs to the mobile communication equipment field, relates in particular to a kind of AC/DC power source conversion control device 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 cladding 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 the solar cell for supplying power device, 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 device.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 device, terminal equipment is necessary for the solar energy special equipment.In view of this, it is big that the solar cell for supplying power device 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 device, 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 power supply device.Remote power supply device is installed in suburbs and small towns usually, Scenic Spot Area, its basic composition is referring to shown in Figure 3, remote power supply device 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 power supply device, for the remote power supply device 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 battery apparatus | High | Difficult | Difference | Difference | Generally |
| Remote power supply device | High | Difficult | Generally | Good | Generally |
| UPS non-firm power device | High | Generally | Difference | Good | Generally |
The utility model content
The utility model 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 device of good stability.
For achieving the above object, the utility model is achieved in that
AC/DC power source conversion control device 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 will install internal circuit and switch 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 utility model 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 utility model also can be provided with battery detection control circuit; The port of described battery detection control circuit connects the port of batteries.
Further, housing described in the utility model can adopt die sinking cast aluminium structure.
The utility model 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 utility model 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 the stand-by power supply device, common carrier can be realized the purpose of cost squeeze usually by centralized purchasing.The utility model scheme 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 the utility model power of alterating and direct current cross box, 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
The utility model power of alterating and direct current cross box container body of outer cover 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 utility model 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
The utility model power of alterating and direct current cross box 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 utility model is described in further detail below in conjunction with the drawings and specific embodiments.Protection range of the present utility model not only is confined to the statement of following content.
Fig. 1 is a solar cell for supplying power principle of device block diagram;
Fig. 2 is a UPS non-firm power principle of device block diagram;
Fig. 3 is the remote power supply device theory diagram;
Fig. 4 is an entire block diagram of the present utility model;
Fig. 5 is the utility model AC/DC power transfer module installation diagram;
Fig. 6 is the utility model schematic block circuit diagram.
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 device 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 described in the utility model 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 utility model 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, for considering device radiation, the utility model is provided with drain pan fin 2 at described housing 1 internal fixation.In addition, the utility model can be provided with heat conductive pad between described housing 1 and drain pan fin 2.For ease of waterproof, the utility model 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 will install internal circuit and switch to push-pull converter work, after the conversion of finishing input and out-put supply parameter, be power terminal equipment.
In addition, the utility model also is provided with battery detection control circuit; The port of described battery detection control circuit connects the port of batteries.Housing described in the utility model 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 utility model, only be used to the utility model is described and be not to be subject to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection range of the present utility model.
Claims (7)
1. AC/DC power source conversion control device 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 will install internal circuit and switch 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 device 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 device 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 device according to claim 3 is characterized in that: described housing adopts die sinking cast aluminium structure.
5. AC/DC power source conversion control device 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 device 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 device 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 |
|---|---|---|---|
| CN2010202832283U CN201758365U (en) | 2010-08-06 | 2010-08-06 | Alternating-current/direct-current power conversion control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202832283U CN201758365U (en) | 2010-08-06 | 2010-08-06 | Alternating-current/direct-current power conversion control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201758365U true CN201758365U (en) | 2011-03-09 |
Family
ID=43645654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202832283U Expired - Lifetime CN201758365U (en) | 2010-08-06 | 2010-08-06 | Alternating-current/direct-current power conversion control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201758365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902068A (en) * | 2010-08-06 | 2010-12-01 | 奥维通信股份有限公司 | Alternating current/direct current power supply conversion control system |
| CN102904332A (en) * | 2012-10-24 | 2013-01-30 | 三维通信股份有限公司 | Backup battery managing and controlling method of monitoring circuit of repeater |
-
2010
- 2010-08-06 CN CN2010202832283U patent/CN201758365U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902068A (en) * | 2010-08-06 | 2010-12-01 | 奥维通信股份有限公司 | Alternating current/direct current power supply conversion control system |
| CN101902068B (en) * | 2010-08-06 | 2013-06-12 | 奥维通信股份有限公司 | Alternating current/direct current power supply conversion control system |
| CN102904332A (en) * | 2012-10-24 | 2013-01-30 | 三维通信股份有限公司 | Backup battery managing and controlling method of monitoring circuit of repeater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110309 Effective date of abandoning: 20130612 |
|
| RGAV | Abandon patent right to avoid regrant |