CN208797839U - The small micro battery of outdoor type natural heat dissipation - Google Patents
The small micro battery of outdoor type natural heat dissipation Download PDFInfo
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- CN208797839U CN208797839U CN201821524164.4U CN201821524164U CN208797839U CN 208797839 U CN208797839 U CN 208797839U CN 201821524164 U CN201821524164 U CN 201821524164U CN 208797839 U CN208797839 U CN 208797839U
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- output
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- voltage
- heat dissipation
- natural heat
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Abstract
The utility model relates to a kind of small micro batteries of outdoor type natural heat dissipation.The purpose of the utility model is to provide it is a kind of can in the presence of a harsh environment stable operation and can export simultaneously two kinds of operating voltages outdoor type natural heat dissipation small micro battery.The technical solution of the utility model is: a kind of small micro battery of outdoor type natural heat dissipation, it is characterized by: having aluminium casing, surface of shell is formed with several radiating fins, it is provided with multiple apertures on shell, shape size power input connector compatible with aperture, voltage output connector I and voltage output connector II are installed in aperture；Rectification module and boost module are installed in the shell, wherein the inlet circuit of rectification module connects the power input connector, the input terminal and the voltage output connector I of the output end difference circuit connection boost module of rectification module, the circuit of output terminal of the boost module connect voltage output connector II.The utility model is suitable for field of communication technology.
Description
Technical field
The utility model relates to a kind of small micro batteries of outdoor type natural heat dissipation.Suitable for field of communication technology.
Background technique
Currently, outdoor power scheme traditional in industry is mounted on embedded power supply in the integral cabinet of outdoor website,
This power supply using fan cooling, by solarization, drench with rain, the environmental factors such as high temperature, dust influenced it is very big, it is generally existing therefore
The problems such as barrier rate is high, maintenance workload is big, high construction cost, big management difficulty, can not adapt to the need of network construction under the new situation
It asks.
Direct current output 48Vdc can only be provided separately in commercially available power-supply system or exchange exports 220Vac penetrating to operator
Frequency extension unit (RRU) power supply, is unable to satisfy the simultaneous scene power demands of AC type RRU, once-through type RRU.If needed
It to power simultaneously to two kinds of RRU, then need in addition to increase the equipment of a set of corresponding output voltage type, not only increase in this way
Construction cost is added, and to the more demanding of installation space.
Summary of the invention
Technical problem to be solved by the utility model is: in view of the above problems, provide it is a kind of can be in adverse circumstances
The small micro battery of lower stable operation and the outdoor type natural heat dissipation that two kinds of operating voltages can be exported simultaneously.
The technical scheme adopted by the utility model is a kind of small micro battery of outdoor type natural heat dissipation, it is characterised in that:
With aluminium casing, surface of shell is formed with several radiating fins, and multiple apertures are provided on shell, are equipped with shape size in aperture
Power input connector compatible with aperture, voltage output connector I and voltage output connector II；
Rectification module and boost module are installed, wherein the inlet circuit of rectification module connects the electricity in the shell
Source input adapter, the input terminal and the voltage output connector I of the output end difference circuit connection boost module of rectification module, institute
State the circuit of output terminal connection voltage output connector II of boost module.
The rectification module has lightning protection current rectifying and wave filtering circuit, high-frequency converter, output rectifier and filter and control electricity
Road is successively connected to lightning protection current rectifying and wave filtering circuit, high-frequency converter and output rectification between the input terminal and output end of rectification module
Filter circuit；
Control circuit is connected between the output rectifier and filter and high-frequency converter, control circuit obtains output rectification
The output voltage of filter circuit, and high-frequency converter is adjusted according to output voltage, to reach the purpose stabilized the output voltage.
The control circuit has sampling comparator, PWM controller and reference voltage, wherein sampling comparator and PWM control
Device processed is successively connected between output rectifier and filter and high-frequency converter, and reference voltage is connected on sampling comparator.
Battery is connected through battery management circuit on the output rectifier and filter.
The beneficial effects of the utility model are: the utility model uses disposal molding die casting aluminum hull, natural heat dissipation, resistance to height
Good, the hermetically sealed design of warm nature energy, it is fan-free, avoid dust from entering, it is stable under the severe scene such as humidity, dust, high temperature,
Suitable machine room, transfer resource is nervous, construction cost is low, installation environment is to the demanding occasion of volume weight.The utility model
Two kinds of burning voltages can be exported simultaneously, solve the power supply of the simultaneous power supply scene of once-through type RRU, AC type RRU
Problem has saved construction cost and installation space.
Detailed description of the invention
Fig. 1, Fig. 2 are the schematic diagram of shell in embodiment.
Fig. 3 is the circuit block diagram of embodiment.
Fig. 4 is the circuit block diagram of rectification module in embodiment.
Specific embodiment
The present embodiment is a kind of small micro battery of outdoor type natural heat dissipation, has aluminium casing 3,3 outer surface of shell is formed with
Several radiating fins 302 are provided with multiple apertures 301 (see Fig. 1, Fig. 2) on shell 3, be equipped in aperture 301 shape size with
The compatible power input connector of aperture 301, voltage output connector I and voltage output connector II.
Circuit board is installed in shell 3, circuit board is installed on the side that shell 3 has radiating fin 302 in this example
On, circuit board is close to the inner wall arrangement of shell 3.As shown in figure 3, having rectification module 1 and boosting mould on circuit board in shell 3
Block 2, wherein the inlet circuit of rectification module 1 connects power input connector, and the output end of rectification module 1 distinguishes circuit connection liter
The circuit of output terminal of the input terminal and voltage output connector I of die block 2, boost module 2 connects voltage output connector II.
As shown in figure 4, rectification module 1 has lightning protection current rectifying and wave filtering circuit 101, high-frequency converter 102, output in this example
Current rectifying and wave filtering circuit 103 and control circuit 104, wherein control circuit 104 has sampling comparator 1041, PWM controller 1042
With reference voltage 1043.Lightning protection rectifying and wave-filtering electricity is successively connected in the present embodiment between the input terminal and output end of rectification module 1
Road 101, high-frequency converter 102 and output rectifier and filter 103, the output end of output rectifier and filter 103 is successively through taking
It is quasi- to sample circuit linker on comparator 1041 for 1042 circuit connection high-frequency converter 102 of sample comparator 1041 and PWM controller
Voltage 1043.
Battery, battery management electricity are electrically connected through battery management circuit 4 on output rectifier and filter 103 in the present embodiment
Road 4 can control the on-off between battery and output rectifier and filter 103 according to the situation of the small micro battery input power.
The working principle of the present embodiment is as follows: mains 220V voltage accesses the small micro battery from power input connector,
After 101 rectifying and wave-filtering of lightning protection current rectifying and wave filtering circuit, become the DC voltage containing certain ripple component, the voltage is into people's high frequency
Converter 102 is converted into the square wave of required voltage value, finally again that this square-wave voltage is whole through output rectifier and filter 103
Voltage I required for stream filtering becomes, I 1 tunnel of voltage are exported to voltage output connector I and boost module 2, give cell tube all the way
Manage the battery charging in circuit 4, another way supply control circuit 104.Control circuit 104 is a pulse-width modulator, is used to
The switch time ratio of high frequency switching elements is adjusted, to achieve the purpose that stabilize the output voltage.The boosting of the boosted module 2 of voltage I
Output voltage II afterwards, voltage II are exported through voltage output connector II.
When mains 220V voltage has a power failure, battery is powered by battery management circuit 4 directly to power receiving equipment.Cell tube
The accessory power supply and control relay managed in circuit 4 are provided by cell voltage, when there is mains failure, can directly be seamlessly transitted
To battery-powered state, the battery low pressure warning when the electricity in battery is put into 43.5Vdc (can set), cell voltage is lower than
Battery under-voltage protection when 40.5Vdc (can set).
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The those of ordinary skill in art field, in the scope of the utility model, variation, addition or the replacement made all should belong to this reality
With novel protection scope.
Claims (4)
1. a kind of small micro battery of outdoor type natural heat dissipation, it is characterised in that: have aluminium casing (3), shell (3) surface is formed with
Several radiating fins (302) are provided with multiple apertures (301) on shell (3), are equipped with shape size and aperture in aperture (301)
(301) compatible power input connector, voltage output connector I and voltage output connector II；
Rectification module (1) and boost module (2) are installed in the shell (3), wherein the inlet circuit of rectification module (1) connects
Connect the power input connector, the input terminal and the electricity of output end difference circuit connection boost module (2) of rectification module (1)
Out splice going splice I is pressed, the circuit of output terminal of the boost module (2) connects voltage output connector II.
2. the small micro battery of outdoor type natural heat dissipation according to claim 1, it is characterised in that: the rectification module (1)
With lightning protection current rectifying and wave filtering circuit (101), high-frequency converter (102), output rectifier and filter (103) and control circuit
(104), lightning protection current rectifying and wave filtering circuit (101), high-frequency converter are successively connected between the input terminal and output end of rectification module (1)
(102) and output rectifier and filter (103)；
Control circuit (104), control circuit are connected between the output rectifier and filter (103) and high-frequency converter (102)
(104) output voltage of output rectifier and filter (103) is obtained, and high-frequency converter (102) are adjusted according to output voltage, with
Up to the purpose stabilized the output voltage.
3. the small micro battery of outdoor type natural heat dissipation according to claim 2, it is characterised in that: the control circuit
(104) there is sampling comparator (1041), PWM controller (1042) and reference voltage (1043), wherein sampling comparator
(1041) it is successively connected between output rectifier and filter (103) and high-frequency converter (102) with PWM controller (1042), base
Quasi- voltage (1043) is connected in sampling comparator (1041).
4. the small micro battery of outdoor type natural heat dissipation according to claim 2, it is characterised in that: the output rectification filter
Battery is connected through battery management circuit (4) on circuit (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821524164.4U CN208797839U (en) | 2018-09-18 | 2018-09-18 | The small micro battery of outdoor type natural heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821524164.4U CN208797839U (en) | 2018-09-18 | 2018-09-18 | The small micro battery of outdoor type natural heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208797839U true CN208797839U (en) | 2019-04-26 |
Family
ID=66210055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821524164.4U Active CN208797839U (en) | 2018-09-18 | 2018-09-18 | The small micro battery of outdoor type natural heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208797839U (en) |
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2018
- 2018-09-18 CN CN201821524164.4U patent/CN208797839U/en active Active
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