CN216904332U - Simple rechargeable precision instrument maintenance direct-current power supply device - Google Patents
Simple rechargeable precision instrument maintenance direct-current power supply device Download PDFInfo
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- CN216904332U CN216904332U CN202122882428.1U CN202122882428U CN216904332U CN 216904332 U CN216904332 U CN 216904332U CN 202122882428 U CN202122882428 U CN 202122882428U CN 216904332 U CN216904332 U CN 216904332U
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- lithium battery
- direct current
- power supply
- battery pack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a simple rechargeable direct current power supply device for maintaining a precision instrument, belonging to the technical field of maintenance devices of electrical and electronic equipment. The technical scheme of the utility model is as follows: the digital display voltmeter (2) and the potentiometer (3) are arranged on the outer surface of the protective shell (1), and the lithium battery pack (4), the lithium battery charging protective plate (5) and the direct current buck-boost module (6) are arranged inside the protective shell (1); the digital display voltmeter (2) and the potentiometer (3) are respectively connected with the lithium battery pack (4) through the direct current buck-boost module (6). The beneficial effects of the utility model are: can independently provide DC power supply, also can change DC12V general lithium battery charger through AC220V and charge, simple structure, convenient to use, the suitability is strong, and the place that can significantly reduce is to maintenance personal's restriction, adapts to field maintenance or team and team's maintenance, effectively reduces purchasing cost, improves work efficiency and economic benefits.
Description
Technical Field
The utility model relates to a simple rechargeable direct-current power supply device for maintaining a precision instrument, belonging to the technical field of maintenance devices of electrical and electronic equipment.
Background
Along with the idea of manufacturing 2025 in China, the electrical equipment in the industry of the iron and steel mines has higher and higher intelligentization and automation degrees, precision instruments and equipment are applied more and more, and the electric equipment is repeatedly lifted to schedule for saving production cost and repairing waste. In the field maintenance process of the precision instrument, if the precision instrument is externally connected with a power supply during maintenance, the operation is troublesome, and the risk of voltage fluctuation is increased in the maintenance process. The complete direct current power supply device in the market is purchased at higher cost, and the maintenance cost is invisibly increased.
Disclosure of Invention
The utility model aims to provide a simple rechargeable precision instrument maintenance direct-current power supply device which can independently provide a direct-current power supply and can also be charged through an AC 220V-DC 12V universal lithium battery charger, has the advantages of simple structure, convenience in use and strong applicability, can greatly reduce the limitation of a site on maintenance personnel, is suitable for field maintenance or team maintenance, effectively reduces the purchase cost, improves the working efficiency and economic benefit and solves the problems in the background technology.
The technical scheme of the utility model is as follows: a simple rechargeable precision instrument maintenance direct-current power supply device comprises a simple protective shell, a digital display voltmeter, a potentiometer, a lithium battery pack, a lithium battery charging protective plate and a direct-current buck-boost module, wherein the digital display voltmeter and the potentiometer are arranged on the outer surface of the protective shell, and the lithium battery pack, the lithium battery charging protective plate and the direct-current buck-boost module are arranged inside the protective shell; the potentiometer is connected with the lithium battery pack through the direct current buck-boost module; the lithium battery pack is respectively connected with the direct current buck-boost module and the external charging power supply through the lithium battery charging protection board.
The digital display voltmeter comprises three monochromatic LED nixie tubes, namely a positive voltage output measurement voltmeter, a negative voltage output measurement voltmeter and a battery voltage measurement voltmeter, and is used for respectively measuring the positive voltage output, the negative voltage output and the battery voltage of the lithium battery pack (4).
The two potentiometers comprise a coarse adjustment potentiometer and a fine adjustment potentiometer, and the types of the potentiometers are respectively 50k omega 2W and 1k omega 2W.
The lithium battery pack is a rechargeable lithium battery and comprises three 4.2VDC lithium batteries, and the battery model is 18650.
The lithium battery pack is charged through an external 12V universal lithium battery charger, and the size of a charging port is 5.5mm multiplied by 2.1 mm.
The lithium battery charging protection board is a universal three-string 12V18650 lithium battery protection board.
The direct current voltage boosting and reducing module is a 20W voltage boosting and reducing module.
The utility model has the beneficial effects that: can independently provide DC power supply, also can change DC12V general lithium battery charger through AC220V and charge, simple structure, convenient to use, the suitability is strong, and the place that can significantly reduce is to maintenance personal's restriction, adapts to field maintenance or team's maintenance, effectively reduces purchasing cost, improves work efficiency and economic benefits.
Drawings
FIG. 1 is a circuit schematic of the present invention;
in the figure: the device comprises a simple protective shell 1, a digital display voltmeter 2, a potentiometer 3, a lithium battery pack 4, a lithium battery charging protective plate 5, a direct current buck-boost module 6, a plug wire terminal 7, a power switch 8, a positive voltage output 9, a negative voltage output 10, a positive voltage output measurement voltmeter 21, a negative voltage output measurement voltmeter 22, a battery voltage measurement voltmeter 23, a coarse adjustment potentiometer 31 and a fine adjustment potentiometer 32.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to the drawings of the embodiments, and it is obvious that the described embodiments are a small part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
A simple rechargeable precision instrument maintenance direct-current power supply device comprises a simple protective shell 1, a digital display voltmeter 2, a potentiometer 3, a lithium battery pack 4, a lithium battery charging protection board 5 and a direct-current buck-boost module 6, wherein the digital display voltmeter 2 and the potentiometer 3 are arranged on the outer surface of the protective shell 1, and the lithium battery pack 4, the lithium battery charging protection board 5 and the direct-current buck-boost module 6 are arranged inside the protective shell 1; the potentiometer 3 is connected with the lithium battery pack 4 through the direct current buck-boost module 6; the lithium battery pack 4 is respectively connected with the direct current buck-boost module 6 and an external charging power supply through a lithium battery charging protection board 5.
The digital display voltmeter 2 comprises three monochromatic LED nixie tubes, namely a positive voltage output measuring voltmeter 21, a negative voltage output measuring voltmeter 22 and a battery voltage measuring voltmeter 23, and is used for respectively measuring the positive voltage output, the negative voltage output and the battery voltage of the lithium battery pack 4.
The potentiometers 3 are two in number and comprise a coarse potentiometer 31 and a fine potentiometer 32, and the models are respectively 50k omega 2W and 1k omega 2W.
The lithium battery pack 4 is a rechargeable lithium battery comprising three 4.2VDC lithium batteries of which the battery model is 18650.
The lithium battery pack 4 is charged by an external 12V universal lithium battery charger, and the size of a charging port is 5.5mm multiplied by 2.1 mm.
The lithium battery charging protection board 5 is a universal three-string 12V18650 lithium battery protection board.
The direct current voltage boosting and reducing module 6 is a 20W positive and negative voltage boosting and reducing module.
In practical application, the outer surface of the simple protective shell is provided with three plug wire terminals 7, three digital display voltmeters, two potentiometers (50 k omega 2W and 1k omega 2W), and a lithium battery pack (containing three 4.2VDC lithium batteries and having a model number 18650), one lithium battery charging protective plate and one direct current buck-boost module are arranged in the simple protective shell. According to practical conditions, the charging can be carried out by a universal lithium battery charger converting AC220V into DC12V, and the size of a charging port is 5.5mm multiplied by 2.1 mm.
The utility model can be charged for use, thus solving the difficulty that no external power supply is available on site; the rechargeable lithium battery is adopted, so that the service life is long; the battery pack voltage and capacity can be adjusted according to specific use requirements.
Claims (7)
1. The utility model provides a simple and easy chargeable precision instruments maintenance DC power supply unit which characterized in that: the protective shell comprises a simple protective shell (1), a digital display voltmeter (2), a potentiometer (3), a lithium battery pack (4), a lithium battery charging protective plate (5) and a direct current voltage boosting and reducing module (6), wherein the digital display voltmeter (2) and the potentiometer (3) are arranged on the outer surface of the protective shell (1), and the lithium battery pack (4), the lithium battery charging protective plate (5) and the direct current voltage boosting and reducing module (6) are arranged inside the protective shell (1); the digital potentiometer (3) is connected with the lithium battery pack (4) through the direct current buck-boost module (6); the lithium battery pack (4) is respectively connected with the direct current buck-boost module (6) and an external charging power supply through a lithium battery charging protection board (5).
2. The simple rechargeable precision instrument maintenance direct current power supply device of claim 1, wherein: the digital display voltmeter (2) has three blocks, which are three single-color LED nixie tubes, and are respectively a positive voltage output measurement voltmeter (21), a negative voltage output measurement voltmeter (22) and a battery voltage measurement voltmeter (23) which are respectively used for measuring the positive voltage output, the negative voltage output and the battery voltage of the lithium battery pack (4).
3. The simple rechargeable precision instrument maintenance direct current power supply device of claim 1, wherein: the two potentiometers (3) comprise a coarse potentiometer (31) and a fine potentiometer (32), and the types of the potentiometers are respectively 50k omega 2W and 1k omega 2W.
4. The simple rechargeable precision instrument maintenance direct current power supply device of claim 1, wherein: the lithium battery pack (4) is a rechargeable lithium battery and comprises three 4.2VDC lithium batteries, and the battery model is 18650.
5. The simple rechargeable precision instrument maintenance direct current power supply device of claim 1, wherein: the lithium battery pack (4) is charged through an external 12V universal lithium battery charger, and the size of a charging port is 5.5mm multiplied by 2.1 mm.
6. The simple rechargeable precision instrument maintenance direct current power supply device of claim 1, wherein: the lithium battery charging protection board (5) is a universal three-string 12V18650 lithium battery protection board.
7. The simple rechargeable precision instrument maintenance direct current power supply device of claim 1, wherein: the direct current voltage boosting and reducing module (6) is a 20W positive and negative voltage boosting and reducing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122882428.1U CN216904332U (en) | 2021-11-23 | 2021-11-23 | Simple rechargeable precision instrument maintenance direct-current power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122882428.1U CN216904332U (en) | 2021-11-23 | 2021-11-23 | Simple rechargeable precision instrument maintenance direct-current power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216904332U true CN216904332U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122882428.1U Active CN216904332U (en) | 2021-11-23 | 2021-11-23 | Simple rechargeable precision instrument maintenance direct-current power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216904332U (en) |
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2021
- 2021-11-23 CN CN202122882428.1U patent/CN216904332U/en active Active
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