CN212909340U - Power-off prevention power supply protection device - Google Patents
Power-off prevention power supply protection device Download PDFInfo
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- CN212909340U CN212909340U CN202022115870.7U CN202022115870U CN212909340U CN 212909340 U CN212909340 U CN 212909340U CN 202022115870 U CN202022115870 U CN 202022115870U CN 212909340 U CN212909340 U CN 212909340U
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- 230000002265 prevention Effects 0.000 title claims description 11
- 239000003990 capacitor Substances 0.000 claims abstract description 27
- 238000004146 energy storage Methods 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a power protection device against power failure, which comprises a power input interface, and an overcurrent protection module, a transformer isolation module, a full-bridge rectification module, an energy storage capacitor module and a power output module which are sequentially connected from the power input interface, wherein the overcurrent protection module comprises a Hall current sensor and a fuse connected in series with the Hall current sensor; the transformer isolation module is used for current conversion; the full-bridge rectifying module comprises a bridge rectifier, and the energy storage capacitor module comprises a capacitor bank for storing energy and a control circuit thereof; the power output module is used for outputting power. The utility model provides a prevent outage power protection device carries out current conversion when realizing overcurrent protection to use energy storage electric capacity to avoid because the protection of outage to electrical apparatus, convenient to use occupies small simultaneously, and user experience is good.
Description
Technical Field
The utility model relates to a prevent outage power protection technical field, especially relate to a prevent outage power protection device.
Background
At present, under the condition that some power supplies are unstable, the phenomena of current instantaneous interruption, interruption or overcurrent are extremely easy to generate, and the electric appliances using the power supplies are damaged, particularly in some electric appliances using direct current input. In the prior art, overcurrent protection and current conversion when alternating current input is converted into direct current output are realized by using a large voltage stabilizer, a transformer and the like, and then the use of an electric appliance is not influenced by a battery and the like, but the voltage stabilizer, the transformer, the battery and the like are arranged more complicatedly, the use is inconvenient, and the user experience is not good.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent outage power protection device aims at solving the problem of the electrical apparatus protection under the current unstable condition of power.
In order to achieve the above object, the present invention provides a power protection device, which comprises a power input interface, and an overcurrent protection module, a transformer isolation module, a full-bridge rectification module, an energy storage capacitor module and a power output module, which are sequentially connected from the power input interface, wherein the overcurrent protection module comprises a hall current sensor and a fuse connected in series with the hall current sensor; the transformer isolation module is used for current conversion; the full-bridge rectifying module comprises a bridge rectifier, and the energy storage capacitor module comprises a capacitor bank for storing energy and a control circuit thereof; the power output module is used for outputting power.
Preferably, the power input interface is connected with an alternating current power input.
Preferably, the power output module outputs a direct current power.
Preferably, the hall current sensor is used to collect a current.
Preferably, the power-off prevention power protection device further comprises a controller, the controller is electrically connected with the overcurrent protection module, the transformer isolation module, the full-bridge rectification module and the energy storage capacitor module respectively, and the controller is used for setting and managing the modules.
Preferably, the power-off prevention power protection device further comprises a key module and a display screen, wherein the key module and the display screen are respectively connected with the controller, the key module is used for inputting instructions, and the display screen is used for displaying data and working states of the modules.
The utility model provides a prevent outage power protection device, through with overcurrent protection, transformer isolation module, full-bridge rectifier module and energy storage capacitor module integration together, carry out the current conversion when realizing overcurrent protection to use energy storage capacitor to avoid because the protection of outage to electrical apparatus, convenient to use occupies smallly simultaneously, user experience is good.
Drawings
Fig. 1 is a schematic structural diagram of a power outage prevention power protection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power outage prevention power protection apparatus provided by the second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in 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.
The first embodiment is as follows:
referring to fig. 1, a first embodiment of the present invention provides an anti-power-off power protection device, which includes a power input interface 11, and an overcurrent protection module 12, a transformer isolation module 13, a full-bridge rectification module 14, an energy storage capacitor module 30, and a power output module 40, which are sequentially connected from the power input interface 11, where the overcurrent protection module 12 includes a hall current sensor and a fuse connected in series with the hall current sensor, the hall current sensor is used to collect current, and is implemented by connecting the fuse in series in a circuit, and specifically, the fuse may use a thyristor or a self-turn-off thyristor; the transformer isolation module 13 is used for current conversion; the full-bridge rectification module 14 comprises a bridge rectifier, the bridge rectifier is in butt joint with each other by using four diodes, and the positive half part of an input sine wave is conducted by two tubes to obtain positive output; when the negative half part of the sine wave is input, the other two tubes are conducted, because the two tubes are reversely connected, the output is still the positive half part of the sine wave, and the utilization efficiency of the bridge rectifier to the input sine wave is doubled compared with the half-wave rectification; in particular, different bridge rectifiers may be used to output different voltage requirements depending on the power requirements of the output. The energy storage capacitor module 30 comprises a capacitor bank for storing energy and a control circuit thereof; specifically, the capacitor bank may use an electric double layer capacitor or a faraday capacitor to realize super capacitor energy storage, and the electric double layer formed by charge separation of an electrode/electrolyte interface or a faraday 'pseudo capacitor' generated by a rapid oxidation-reduction reaction on the surface and inside of an electrode is used to realize storage of charges and energy, and in this embodiment, the energy storage capacitor module 30 is composed of a super capacitor bank and a bidirectional DC/DC converter and a corresponding control circuit. The power output module 40 is used for outputting power. Specifically, the power input interface 11 is an ac power input, and the power input module 40 outputs a dc power.
The power-off prevention power supply protection device further comprises a controller 50, wherein the controller 50 is electrically connected with the overcurrent protection module 12, the transformer isolation module 13, the full-bridge rectification module 14 and the energy storage capacitor module 30 respectively, and the controller 50 is used for setting and managing each module. The power-off prevention power supply protection device further comprises a key module 51 and a display screen 52, wherein the key module 51 and the display screen 52 are respectively connected with the controller 50, the key module 51 is used for inputting instructions, and the display screen 52 is used for displaying data and working states of the modules.
Example two:
referring to fig. 2, unlike the first embodiment, the second embodiment has two ac inputs, specifically, the power failure prevention power supply protection device comprises a first power input interface 111, and a first overcurrent protection module 112, a first transformer isolation module 113 and a first full-bridge rectification module 114 which are sequentially connected from the first power input interface 111, the power-off prevention power supply protection device also comprises a second power supply input interface 21, and a second overcurrent protection module 22, a second transformer isolation module 23 and a second full-bridge rectification module 24 which are sequentially connected from the second power supply input interface 21, the first full-bridge rectification module 114 and the second full-bridge rectification module 24 are respectively connected to the energy storage capacitor module 30, the second overcurrent protection module 22, the second transformer isolation module 23 and the second full-bridge rectification module 24 are respectively connected with the controller 50. Other technical solutions are the same as those in the first embodiment, and are not described herein.
Compared with the prior art, the utility model provides a prevent outage power protection device through with overcurrent protection, transformer isolation module, full-bridge rectifier module and energy storage capacitor module integration together, carries out current conversion when realizing overcurrent protection to use energy storage capacitor to avoid because the protection of outage to electrical apparatus, convenient to use occupies smallly simultaneously, and user experience is good.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (6)
1. The power-off prevention power supply protection device is characterized by comprising a power supply input interface, and an overcurrent protection module, a transformer isolation module, a full-bridge rectification module, an energy storage capacitor module and a power supply output module which are sequentially connected from the power supply input interface, wherein the overcurrent protection module comprises a Hall current sensor and a fuse connected with the Hall current sensor in series; the transformer isolation module is used for current conversion; the full-bridge rectifying module comprises a bridge rectifier, and the energy storage capacitor module comprises a capacitor bank for storing energy and a control circuit thereof; the power output module is used for outputting power.
2. The device of claim 1, wherein the power input interface is connected to an ac power input.
3. The outage-prevention power supply protection device according to claim 1, wherein the power supply output module outputs direct-current power supply.
4. The device of claim 1, wherein the hall current sensor is configured to collect current.
5. The device of claim 1, further comprising a controller electrically connected to the overcurrent protection module, the transformer isolation module, the full-bridge rectification module, and the energy storage capacitor module, wherein the controller is configured to configure and manage the modules.
6. The device according to claim 5, further comprising a key module and a display screen, wherein the key module and the display screen are respectively connected to the controller, the key module is used for inputting commands, and the display screen is used for displaying data and working states of the modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115870.7U CN212909340U (en) | 2020-09-23 | 2020-09-23 | Power-off prevention power supply protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115870.7U CN212909340U (en) | 2020-09-23 | 2020-09-23 | Power-off prevention power supply protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212909340U true CN212909340U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022115870.7U Active CN212909340U (en) | 2020-09-23 | 2020-09-23 | Power-off prevention power supply protection device |
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| Country | Link |
|---|---|
| CN (1) | CN212909340U (en) |
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2020
- 2020-09-23 CN CN202022115870.7U patent/CN212909340U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti power-off power supply protection device Granted publication date: 20210406 Pledgee: Agricultural Bank of China Limited Shenzhen Luohu Branch Pledgor: SHENZHEN CE-STAR ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980021393 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |