CN213782949U - Portable direct current 110V power supply device - Google Patents
Portable direct current 110V power supply device Download PDFInfo
- Publication number
- CN213782949U CN213782949U CN202023012143.4U CN202023012143U CN213782949U CN 213782949 U CN213782949 U CN 213782949U CN 202023012143 U CN202023012143 U CN 202023012143U CN 213782949 U CN213782949 U CN 213782949U
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- direct current
- power supply
- storage battery
- module
- supply device
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- Expired - Fee Related
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Abstract
The utility model provides a portable direct current 110V power supply unit, including the battery, the battery module of charging, the direct current module of stepping up, 110V output terminal, the battery module of charging and battery line connection, the battery module of charging is connected with 220V alternating current, be used for to battery charging, battery and direct current module line connection of stepping up, it has first direct current voltmeter and first module switch of stepping up to connect in parallel between the interconnecting link positive negative pole, direct current module of stepping up and 110V output terminal line connection, it has 3 electrolytic capacitor and second direct current voltmeter to connect in parallel between the interconnecting link positive negative pole, be provided with 110V output switch on the positive line of interconnecting link. The device is suitable for the inconvenient occasion of alternating current power supply access or exchanges and loses emergent use to guarantee the reliable operation of high voltage circuit breaker.
Description
Technical Field
The utility model belongs to the power supply field especially relates to a portable direct current 110V power supply unit.
Background
The 6kV and 500kV high-voltage circuit breaker can not only cut off or close the no-load current and the load current in the high-voltage circuit, but also cut off the overload current and the short-circuit current through the action of the relay protection device when the system breaks down, the circuit breaker has quite perfect arc extinguishing structure and enough current breaking capacity, the continuous operation of a direct current system storage battery pack in the voltage circuit breaker is close to the later stage of the service life, the loaded capacity of the storage battery pack is weakened, when the alternating current power supply loses, the direct current power supply can be provided only for a short time, once the direct current power supply can not supply power, the high-voltage circuit breaker can not operate, the normal operation is directly influenced, and even serious accidents occur.
Disclosure of Invention
An object of the utility model is to provide a portable direct current 110V power supply unit, the device are applicable to alternating current power supply and connect to get inconvenient occasion and use or exchange and lose emergent use to guarantee high voltage circuit breaker's reliable operation.
In order to achieve the above purpose, the technical scheme of the utility model is that: a portable DC 110V power supply device comprises a storage battery, a 12V storage battery charging module, a 12V-110V DC boosting module, a 110V output terminal,
the 12V storage battery charging module is connected with a storage battery line, the 12V storage battery charging module is electrically connected with 220V alternating current and is used for charging the storage battery,
the storage battery is connected with a 12V-110V direct current boosting module line, a first direct current voltmeter and a first boosting module switch are connected in parallel between the positive pole and the negative pole of the connecting line,
the 12V-110V direct current boosting module is connected with a 110V output terminal circuit, 3 electrolytic capacitors and a second direct current voltmeter are connected in parallel between the positive electrode and the negative electrode of the connecting circuit, and a 110V output switch is arranged on the positive electrode circuit of the connecting circuit.
The 12V storage battery charging module has a full-charging automatic stop function.
The power of the 12V-110V direct current boost module is 5W, and the output current is 40 mA.
The first direct current voltmeter is 15V.
The second direct current voltmeter is 150V.
And a 3A protective tube is arranged between the capacitor on the negative line connecting the 12V-110V direct current boosting module and the 110V output terminal and the second direct current voltmeter.
An output direct current ammeter is arranged between the 3A protective tube on the negative line connecting the 12V-110V direct current boosting module and the 110V output terminal.
The storage battery is a single lead-acid storage battery.
The utility model has simple structure and convenient use, can provide a switch operation power supply when the direct current power supply of the high-voltage circuit breaker is lost, meets the brake separating requirement, and can not be processed when preventing system faults; the device can also be used for switching on and switching off in the accident handling process, so as to create starting conditions and ensure safety; in addition, the instant discharge current can be ensured by using a single lead-acid battery, and the portability is good.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
As shown in FIG. 1, a portable DC 110V power supply device comprises a storage battery 1, a 12V storage battery charging module 2 with a full charge automatic stop function, a 12V-110V DC boosting module 3 with the power of 5W and the output current of 40mA, a 110V output terminal 4,
the 12V storage battery charging module 2 is connected with the storage battery 1 group through a circuit, the 12V storage battery charging module 2 is electrically connected with 220V alternating current and is used for charging the storage battery,
the storage battery 1 is connected with the 12V-110V direct current boosting module 3 through a line, a first direct current voltmeter 5 and a first boosting module switch 6 of 15V are connected in parallel between the positive pole and the negative pole of the connecting line, the first direct current voltmeter 5 is used for monitoring the voltage of the storage battery,
the 12V-110V direct current boosting module 3 is in line connection with a 110V output terminal 4, 3 electrolytic capacitors 7 and a 150V second direct current voltmeter 8 are connected in parallel between the positive electrode and the negative electrode of the connecting circuit, a 110V output switch 9 is arranged on the positive electrode circuit of the connecting circuit, and the second direct current voltmeter 8 is used for monitoring the voltage of the storage battery; the direct current boosting module 3 provides a charging power supply for the capacitor; a 3A protective tube 10 is arranged between the capacitor on the negative pole line connecting the 12V-110V direct current boosting module 3 and the 110V output terminal 4 and the second direct current voltmeter 8; an output DC ammeter 11 is arranged between a 3A fuse on a negative line connecting the 12V-110V DC boost module 3 and the 110V output terminal 4 and the 110V output terminal.
The utility model needs to check the voltage of the storage battery periodically when not used in daily life, ensures the sufficient electric quantity of the storage battery, and needs to be connected with an alternating current power supply for charging when the electric quantity is not enough; when the switch is used, the first boosting module switch needs to be turned on firstly, the output end of the boosting module starts to perform constant current to charge the electrolytic capacitor, the connection from the output terminal to the secondary circuit of the switch can be completed at the moment, when the voltage at the two ends of the capacitor rises to about 110V, the 110V output switch can be turned on, the state of the switch cabinet is checked, and the switch-off operation of the switch can be completed normally by pressing the trip button.
Claims (8)
1. A portable direct current 110V power supply device is characterized in that: comprises a storage battery, a 12V storage battery charging module, a 12V-110V direct current boosting module, a 110V output terminal,
the 12V storage battery charging module is connected with a storage battery line, the 12V storage battery charging module is electrically connected with 220V alternating current and is used for charging the storage battery,
the storage battery is connected with a 12V-110V direct current boosting module line, a first direct current voltmeter and a first boosting module switch are connected in parallel between the positive pole and the negative pole of the connecting line,
the 12V-110V direct current boosting module is connected with a 110V output terminal circuit, 3 electrolytic capacitors and a second direct current voltmeter are connected in parallel between the positive electrode and the negative electrode of the connecting circuit, and a 110V output switch is arranged on the positive electrode circuit of the connecting circuit.
2. The portable direct current 110V power supply device according to claim 1, wherein: the 12V storage battery charging module has a full-charging automatic stop function.
3. The portable direct current 110V power supply device according to claim 1, wherein: the power of the 12V-110V direct current boost module is 5W, and the output current is 40 mA.
4. The portable direct current 110V power supply device according to claim 1, wherein: the first direct current voltmeter is 15V.
5. The portable direct current 110V power supply device according to claim 1, wherein: the second direct current voltmeter is 150V.
6. The portable direct current 110V power supply device according to claim 1, wherein: and a 3A protective tube is arranged between the capacitor on the negative line connecting the 12V-110V direct current boosting module and the 110V output terminal and the second direct current voltmeter.
7. The portable direct current 110V power supply device according to claim 1, wherein: an output direct current ammeter is arranged between the 3A protective tube on the negative line connecting the 12V-110V direct current boosting module and the 110V output terminal.
8. The portable direct current 110V power supply device according to claim 1, wherein: the storage battery is a single lead-acid storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023012143.4U CN213782949U (en) | 2020-12-15 | 2020-12-15 | Portable direct current 110V power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023012143.4U CN213782949U (en) | 2020-12-15 | 2020-12-15 | Portable direct current 110V power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213782949U true CN213782949U (en) | 2021-07-23 |
Family
ID=76898698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023012143.4U Expired - Fee Related CN213782949U (en) | 2020-12-15 | 2020-12-15 | Portable direct current 110V power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213782949U (en) |
-
2020
- 2020-12-15 CN CN202023012143.4U patent/CN213782949U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 Termination date: 20211215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |