CN203788055U - Isolation power supply device - Google Patents
Isolation power supply device Download PDFInfo
- Publication number
- CN203788055U CN203788055U CN201420128454.2U CN201420128454U CN203788055U CN 203788055 U CN203788055 U CN 203788055U CN 201420128454 U CN201420128454 U CN 201420128454U CN 203788055 U CN203788055 U CN 203788055U
- Authority
- CN
- China
- Prior art keywords
- power supply
- electric energy
- module
- power
- output end
- 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.)
- Expired - Lifetime
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an isolation power supply device and belongs to the isolation power supply field. The device comprises an electric-energy wireless transmission unit and a power supply management unit. The electric-energy wireless transmission unit is provided with a power supply input terminal and a power supply output terminal. The power supply output terminal of the electric-energy wireless transmission unit is electrically connected with the power supply management unit. The power supply management unit is provided with an electricity supply output terminal. Compared to an existing power supply device, by using the power supply device of the utility model, there are the following advantages that through arranging the electric-energy wireless transmission unit, wireless power transmission in an isolation power supply is realized; through using the electric-energy wireless transmission unit, a physical isolation distance of the isolation power supply device is increased; the power supply management unit is cooperated; a problem that a coupling terminal distance of the existing isolation power supply is short so that a large power interference of a power supply terminal can not avoided is overcome.
Description
Technical Field
The utility model relates to an keep apart the power supply field, especially relate to an keep apart power supply unit.
Background
In order to prevent the interference of the mains supply end to the front-end measuring unit of the field observation instrument, an isolated power supply is generally used in the field observation instrument power supply.
At present, there are two common power supply devices: one is an isolated switch power supply, and the other is a control power supply adopting double storage batteries for switching power supply.
The coupling end of the isolated switching power supply is very close, so that high-power interference of the power supply end of the power supply, such as thunder and lightning, cannot be avoided. Due to frequent switching of charging and discharging, the double storage batteries are subjected to power supply switching, so that the first time mechanical damage is serious, and the second time battery life is short.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an keep apart power supply unit, under the condition that does not influence power life, increase input and output physics isolation distance, avoided the high-power interference of power supply end.
In order to solve the technical problem, the utility model provides an keep apart power supply unit, include:
the system comprises an electric energy wireless transmission unit and a power supply management unit; wherein,
the electric energy wireless transmission unit is provided with a power supply input end and a power supply output end;
the power supply output end of the electric energy wireless transmission unit is electrically connected with the power supply management unit;
the power management unit is provided with a power supply output end.
The utility model discloses compare its beneficial effect with existing power supply unit and do: through setting up electric energy wireless transmission unit, realized wireless power transmission in keeping apart the power, utilized wireless power transmission unit to increase this isolation power supply unit's physics isolation distance, cooperation power management unit has overcome current isolation power coupling end distance very closely, can't avoid the problem of the high-power interference of power supply end.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the isolated power supply apparatus of the present invention;
fig. 2 is a schematic diagram of an electric energy wireless transmission unit of the isolated power supply device of the present invention;
fig. 3 is a structural diagram of a power management unit of the isolated power supply device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 shows that the embodiment of the present invention provides an isolated power supply device, which includes: the wireless power transmission unit 10 and the power management unit 20; the wireless electric energy transmission unit 10 is provided with a power input end and a power output end; the power supply output end of the wireless electric energy transmission unit 10 is electrically connected with the power supply management unit 20; the power management unit 20 is provided with a power supply output.
In the isolated power supply device, the wireless power transmission unit 10 includes: the wireless power transmitting subunit 101 and the wireless power receiving subunit 102; the electric energy wireless transmitting subunit 101 is provided with a power supply input end and an electric energy wireless transmitting end; the electric energy wireless receiving subunit 102 is provided with a power supply output end and an electric energy wireless receiving end; the electric energy wireless transmitting end of the electric energy wireless transmitting subunit 101 is in wireless coupling and electrical connection with the electric energy wireless receiving end of the electric energy wireless receiving subunit 102.
In the isolated power supply apparatus, the power wireless transmitting subunit 101 includes: an alternating current-direct current conversion module 3 (namely an AC-DC module in FIG. 1), an electric energy conversion module 4 and an electric energy transmitting module 5; wherein,
the alternating current-direct current conversion module 3 is provided with a power supply input end, the output end of the alternating current-direct current conversion module 4 is sequentially connected with the electric energy conversion module 4 and the electric energy transmitting module 5, and the electric energy transmitting module 5 is provided with a transmitting induction coil serving as an electric energy wireless transmitting end;
the wireless receiving subunit of electric energy includes: the electric energy receiving module 6 and the rectifying and voltage-stabilizing module 7; wherein,
the electric energy receiving module 6 is provided with a receiving induction coil serving as an electric energy wireless receiving end, and the output end of the electric energy receiving module 6 is electrically connected with the rectifying and voltage-stabilizing module 7; the rectifying and voltage-stabilizing module 7 is provided with a power output end.
In the isolation power supply device, the electric energy conversion module 4 of the electric energy wireless transmitting subunit adopts a frequency modulation signal generator.
The specific circuit configuration of the wireless power transmission unit 10 can be seen in fig. 2, wherein the adjustable waveform generator and the connected driver (i.e., the power amplifying circuit) form a frequency modulation signal generator, the coil L1 and the connection circuit thereof serve as the power transmitting module 5, the coil L2 and the connection circuit thereof serve as the power receiving module 6, and the rectifier bridge and the connected voltage stabilizer serve as the rectifying and voltage stabilizing module 7.
In the isolated power supply apparatus, the power management unit 20 includes: a control module 8 and a power supply module 9; the control module 8 is provided with an input end connected with a power supply output end of the electric energy wireless transmission unit 10; a first output end of the control module 8 is electrically connected with the power supply module 9; the power supply module 9 is provided with a power supply output end which is used as the power supply output end of the isolation power supply device.
Further, as shown in fig. 1 and 3, the power management unit further includes: the power supply switching module 10, the power supply switching module 10 is connected between the control module 8 and the power supply module 9;
further comprising: the power management device comprises a storage battery charger and a storage battery, wherein the storage battery charger is electrically connected with the storage battery in sequence, the input end of the storage battery charger 11 is electrically connected with the second output end of the control module 8, the electrode of the storage battery 12 is electrically connected with the detection end of the control module 8, the output end of the storage battery is electrically connected with the power supply switching module, the control module 8 monitors the voltage of the storage battery 12 to determine whether to charge the storage battery, and the power supply switching module 10 is controlled to switch the output power supply, for example, the storage battery charger can be switched to the power supply output by the rectification voltage stabilizing module 7 to directly supply power to the storage.
In the power management unit, the control module 8 may adopt a single chip controller with a digital-to-analog converter, and the voltage of the storage battery 12 may be conveniently monitored by the digital-to-analog converter, so as to perform switching control of the output power.
The above-mentioned isolated power supply further includes: the commercial power supply unit 30 is formed by connecting a commercial power input end 1 and a lightning protection module 2; the output end of the lightning protection module 2 is electrically connected with the power input end of the wireless electric energy transmission unit 10. The lightning protection module 2 can be arranged to well prevent the influence of the lightning on the isolation power supply device.
The power isolation device of the present invention will be further described with reference to the following embodiments.
As shown in fig. 1 to fig. 3, the isolated power supply device of the present invention includes a commercial power input interface 1, a lightning protection module 2, an AC-DC conversion module 3 (i.e., an AC-DC module), a frequency modulation signal generator 4 (i.e., a frequency modulation signal generator), an electric energy transmitting module 5, an electric energy receiving module 6, a rectification and voltage stabilization module 7, a control module 8, a power supply module 9 (i.e., a DC 12V power supply interface), a power supply switching module 10, a battery charger 11, and a battery; the commercial power is converted into 24-48V direct current through the AC-DC module 3, and the direct current is regulated and then supplied to the frequency modulation signal generator 4 (as shown in fig. 2, the frequency modulation signal generator is formed by connecting an adjustable waveform generator and a driver (i.e., a power amplification circuit)) and the electric energy transmitting module 5. The frequency modulation type signal generator 4 generates square wave signals with adjustable period and duty ratio, and the square wave signals are amplified by the power of a driver of the frequency modulation type signal generator 4 and then are provided for the electric energy transmitting module 5.
After receiving the electric energy transmitted by the electric energy transmitting module 5, the electric energy receiving module 6 carries out rectification and voltage stabilization and then supplies power to the power supply control unit, can directly supply power to a load under the control of the power supply control unit, and can also charge and supply power to a storage battery. The power control unit takes a single chip microcomputer with a 12bit analog-to-digital converter as a main controller, and can control the storage battery charger to charge the storage battery according to the working state of the storage battery. The power supply control unit outputs direct current 12V to supply power to the load.
The utility model discloses an keep apart power supply unit through setting up electric energy wireless transmission unit, has realized wireless power transmission, utilizes wireless power transmission to increase the physics isolation distance, utilizes power management unit's monitoring and switching control to realize backup battery charging and power supply management. The power supply system can ensure that the back end can supply power continuously under the condition that the commercial power is cut off or damaged. The defects that the existing isolation power supply is easy to interfere and short in service life and the like are overcome.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An isolated power supply, comprising:
the system comprises an electric energy wireless transmission unit and a power supply management unit; wherein,
the electric energy wireless transmission unit is provided with a power supply input end and a power supply output end;
the power supply output end of the electric energy wireless transmission unit is electrically connected with the power supply management unit;
the power management unit is provided with a power supply output end.
2. The isolated power supply of claim 1, wherein said wireless power transfer unit comprises:
the wireless power transmitting subunit and the wireless power receiving subunit are connected with each other; wherein,
the electric energy wireless transmitting subunit is provided with the power supply input end and an electric energy wireless transmitting end;
the electric energy wireless receiving subunit is provided with the power supply output end and an electric energy wireless receiving end;
and the electric energy wireless transmitting end of the electric energy wireless transmitting subunit is in wireless coupling and electric connection with the electric energy wireless receiving end of the electric energy wireless receiving subunit.
3. The isolated power supply of claim 2,
the wireless power transmitting subunit includes:
the device comprises an alternating current-direct current conversion module, an electric energy conversion module and an electric energy transmitting module; wherein,
the alternating current-direct current conversion module is arranged at the power supply input end, the output end of the alternating current-direct current conversion module is sequentially connected with the electric energy conversion module and the electric energy transmitting module, and the electric energy transmitting module is provided with a transmitting induction coil serving as the electric energy wireless transmitting end;
the wireless power receiving subunit includes:
the electric energy receiving module and the rectifying and voltage-stabilizing module; wherein,
the electric energy receiving module is provided with a receiving induction coil serving as the electric energy wireless receiving end, and the output end of the electric energy receiving module is electrically connected with the rectification voltage stabilizing module;
the rectification voltage-stabilizing module is arranged at the power output end.
4. An isolated power supply according to claim 3,
and the electric energy conversion module of the electric energy wireless transmitting subunit adopts a frequency modulation type signal generator.
5. The isolated power supply unit according to any one of claims 1 to 4, wherein the power management unit includes:
the control module and the power supply module; wherein,
the control module is provided with an input end connected with the power supply output end of the electric energy wireless transmission unit;
the first output end of the control module is electrically connected with the power supply module;
the power supply module is provided with the power supply output end.
6. The isolated power supply of claim 5, wherein said power management unit further comprises: the power supply switching module is connected between the control module and the power supply module;
further comprising: the storage battery charger is electrically connected with the storage battery in sequence, the input end of the storage battery charger is electrically connected with the second output end of the control module of the power management unit, the electrode of the storage battery is electrically connected with the detection end of the control module, and the output end of the storage battery is electrically connected with the power switching module.
7. The isolated power supply device according to claim 5, wherein the control module is a single chip controller with a digital-to-analog converter.
8. The isolated power supply unit according to any one of claims 1 to 4, further comprising: the commercial power supply unit is formed by connecting a commercial power input end and a lightning protection module;
the output end of the lightning protection module is electrically connected with the power input end of the electric energy wireless transmission unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128454.2U CN203788055U (en) | 2014-03-20 | 2014-03-20 | Isolation power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128454.2U CN203788055U (en) | 2014-03-20 | 2014-03-20 | Isolation power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788055U true CN203788055U (en) | 2014-08-20 |
Family
ID=51324207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128454.2U Expired - Lifetime CN203788055U (en) | 2014-03-20 | 2014-03-20 | Isolation power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203788055U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720700A (en) * | 2014-12-22 | 2016-06-29 | 施耐德电气（澳大利亚）有限公司 | Inductive power transfer system in an electrical outlet |
| CN105871076A (en) * | 2016-05-19 | 2016-08-17 | 安徽省友联电力电子工程有限公司 | Close-range wireless power transmission device |
| CN110086506A (en) * | 2019-05-13 | 2019-08-02 | 中国地震局地震预测研究所 | A kind of watertight connector |
| AU2015275225B2 (en) * | 2014-12-22 | 2021-08-26 | Schneider Electric (Australia) Pty Limited | Electrical system, apparatus and method |
| CN115189484A (en) * | 2022-05-25 | 2022-10-14 | 黄河水利委员会黄河水利科学研究院 | A physical isolation type lightning protection power supply device |
-
2014
- 2014-03-20 CN CN201420128454.2U patent/CN203788055U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720700A (en) * | 2014-12-22 | 2016-06-29 | 施耐德电气（澳大利亚）有限公司 | Inductive power transfer system in an electrical outlet |
| AU2015275225B2 (en) * | 2014-12-22 | 2021-08-26 | Schneider Electric (Australia) Pty Limited | Electrical system, apparatus and method |
| CN105871076A (en) * | 2016-05-19 | 2016-08-17 | 安徽省友联电力电子工程有限公司 | Close-range wireless power transmission device |
| CN110086506A (en) * | 2019-05-13 | 2019-08-02 | 中国地震局地震预测研究所 | A kind of watertight connector |
| CN110086506B (en) * | 2019-05-13 | 2024-03-12 | 中国地震局地震预测研究所 | Watertight connector |
| CN115189484A (en) * | 2022-05-25 | 2022-10-14 | 黄河水利委员会黄河水利科学研究院 | A physical isolation type lightning protection power supply device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104485756B (en) | A kind of electricity getting device of ultra-high-tension power transmission line | |
| CN103107584B (en) | A kind of device and wireless charging method thereof with wireless mobile charge function | |
| CN203788055U (en) | Isolation power supply device | |
| CN103427430A (en) | Hybrid energy storage system and energy management method thereof in micro-grid | |
| CN105098957B (en) | A kind of controller for solar circuit | |
| US20160167536A1 (en) | Battery charger for electric vehicles | |
| CN103855776B (en) | A kind of equalizing charge system being applied to automobile power cell | |
| CN102957177A (en) | Charging management system | |
| CN202550648U (en) | Power adapter with function of electric energy storage | |
| CN203691365U (en) | Self-powered circuit of power semiconductor switch driving circuit | |
| CN103618530B (en) | The self-powered circuit of power semiconductor switch drive circuit and method | |
| CN202206308U (en) | Dc/dc converter | |
| CN205283221U (en) | Fill by force and fill portable power source soon | |
| CN204290507U (en) | A kind of electricity getting device of ultra-high-tension power transmission line | |
| CN103312025A (en) | Intelligent power supply control system | |
| CN203813535U (en) | A power supply device for an anti-stealing inspection device | |
| CN203813474U (en) | A charging system for a power battery | |
| CN202503360U (en) | A communication power screen device | |
| CN202888950U (en) | Uninterruptible power supply module for intelligent transportation system | |
| CN202009259U (en) | Quick intelligent switching power supply charger | |
| CN102904464B (en) | Distribution network terminal passive power-obtaining system | |
| CN113659673A (en) | Quick charging and grid-connected connecting device based on energy storage power supply and working method thereof | |
| CN107919691B (en) | Battery pack, charging combination and electric tool | |
| CN208257497U (en) | Alternating current and DC backup power source power supply system | |
| CN103904772A (en) | Hybrid power supply device oriented to power grid wireless sensor network node |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100085, Anning Road, Haidian District, Beijing, 1, Xisanqi Patentee after: National natural disaster prevention and Control Research Institute Ministry of emergency management Address before: 100085, Anning Road, Haidian District, Beijing, 1, Xisanqi Patentee before: THE INSTITUTE OF CRUSTAL DYNAMICS, CHINA EARTHQUAKE ADMINISTRATION |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |