CN218416205U - Digital tube display screen power supply device - Google Patents
Digital tube display screen power supply device Download PDFInfo
- Publication number
- CN218416205U CN218416205U CN202222141174.2U CN202222141174U CN218416205U CN 218416205 U CN218416205 U CN 218416205U CN 202222141174 U CN202222141174 U CN 202222141174U CN 218416205 U CN218416205 U CN 218416205U
- Authority
- CN
- China
- Prior art keywords
- power supply
- external
- external power
- display screen
- digital
- 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.)
- Active
Links
Images
Landscapes
- Power Conversion In General (AREA)
Abstract
The utility model discloses a digital tube display screen power supply unit, including the temperature detection system, the temperature detection system inserts the main control board, the main control board is connected with the temperature display system communication, the main control board and the temperature display system power end insert power supply unit; the power supply device comprises a direct current 5V power supply circuit which is output by a first external power supply to supply power, and a direct current 15V power supply circuit which is output by a second external power supply to supply power; the input ends of the first external power supply and the second external power supply are connected to mains supply; the temperature display system is composed of a plurality of digital screens, and 5V ports of the digital screens are connected to a direct-current 5V power supply circuit through aviation plugs; the utility model discloses a charactron display screen power supply unit adopts external power source to concentrate the power supply mode, selects the external switch power supply that large capacity and interference killing feature are strong, and it is stable to use, and the interference killing feature is strong, long service life.
Description
Technical Field
The utility model particularly relates to a digital tube display screen power supply unit belongs to display screen power supply technical field.
Background
In the processing process of a deformed steel bar production line, surface temperature detection needs to be carried out on rolled steel in a segmented real-time manner, and unqualified mechanical properties of the steel can be caused when the temperature of steel on site is higher than a set temperature value, so that a pyrometer needs to be installed behind each group of rolling mills to be used for measuring the surface temperature of the steel, the temperature value is displayed on a corresponding nixie tube display screen, the nixie tube display screen belongs to independent power supply of each screen, and the power supply voltage is 220V; as shown in fig. 1, the voltage of ac 220 v is reduced to dc 5v and dc 15v by the switch power supply inside the nixie tube display screen, and the voltages are respectively supplied to the main control board and the digital display module inside the nixie tube display screen; the switch power supply is arranged in the digital screens, and each digital screen is provided with one switch power supply, so that the power supply mode has the following defects due to the relationship between the cost and the volume: when the nixie screen supplies power, the nixie tube is firstly adapted to an internal nixie tube display module power supply, and the nixie tube or a 15V power panel is often burnt out due to power supply voltage fluctuation; the power supply of the main control panel in the nixie tube display screen cannot be damaged, and if the whole nixie tube large screen is replaced, higher maintenance cost is generated.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a digital tube display screen power supply unit adopts external power source to concentrate the power supply mode, selects the external switch power supply that large capacity and interference killing feature are strong, can solve digital screen and digital screen display power supply board problem of burning out easily, or when digital tube display screen internal power source took place to damage, concentrated the power supply by external switch power supply, avoid monoblock digital screen to scrap.
The utility model discloses a nixie tube display screen power supply unit, including the temperature detecting system, the temperature detecting system inserts the main control board, the main control board is connected with temperature display system communication, the main control board and temperature display system power end insert power supply unit;
the power supply device comprises a direct current 5V power supply circuit which is output by a first external power supply to supply power, and a direct current 15V power supply circuit which is output by a second external power supply to supply power; the input ends of the first external power supply and the second external power supply are connected to mains supply;
the temperature display system is composed of a plurality of digital screens, and 5V ports of the digital screens are connected to a direct current 5V power supply circuit through aviation plugs; and a 15V port of the digital screen is connected to a direct current 15V power supply line through an aviation plug.
Further, the first external power supply and the second external power supply are both large-capacity switching power supplies.
Further, the first external power supply and the second external power supply are the same switching power supply with two-way voltage output; the direct current 5V power supply line is connected to a 5V output port of the switching power supply; and the direct current 15V power supply line is connected to a 15V output port of the switching power supply.
The power supply of the power supply device of the nixie tube display screen power supply device adopts a large-capacity switch power supply, so that the power supply damage caused by the overweight load of the power supply can be effectively prevented; the power supply is used for supplying power in a centralized way, so that a nixie tube of a nixie tube display screen can be well protected, and when the external power supply voltage fluctuates, the power supply of the power supply device can be effectively protected, and the nixie tube is prevented from being damaged due to impact voltage; from the service cycle of spare parts, the service life of the nixie tube display screen is prolonged from 3 years to 6 years.
Compared with the prior art, the utility model discloses a charactron display screen power supply unit adopts external power supply centralized power supply mode, selects the external switching power supply of large capacity and strong interference killing feature, can solve digital screen and digital screen display power supply board and burn out the problem easily, has stable in utilization, and the interference killing feature is strong, long service life's advantage; when the internal power supply of the digital tube display screen is damaged, the external switch power supply is used for supplying power in a centralized way, and the whole digital screen is prevented from being scrapped.
Drawings
Fig. 1 is a schematic structural view of a conventional digital screen power supply device of the present invention;
fig. 2 is a schematic structural diagram of a digital screen power supply device according to embodiment 1 of the present invention.
Detailed Description
Example 1:
the nixie tube display screen power supply device shown in fig. 2 comprises a temperature detection system 1, wherein the temperature detection system 1 is connected to a main control board, the main control board is in communication connection with a temperature display system 2, and power supply ends of the main control board and the temperature display system 2 are connected to a power supply device 3;
the power supply device comprises a direct current 5V power supply circuit 5 which is output by a first external power supply 4 for supplying power, and a direct current 15V power supply circuit 7 which is output by a second external power supply 6 for supplying power; the input ends of the first external power supply 4 and the second external power supply 6 are connected to mains supply;
the temperature display system 2 is composed of a plurality of digital screens, and a 5V port of each digital screen 2 is connected to a direct-current 5V power supply circuit 5 through an aviation plug; and a 15V port of the digital screen 2 is connected to a direct-current 15V power supply line 7 through an aviation plug.
Wherein, the first external power supply 4 and the second external power supply 6 are both large-capacity switch power supplies. The first external power supply 4 and the second external power supply 6 are the same switch power supply with double-path voltage output; the direct current 5V power supply line 5 is connected to a 5V output port of the switching power supply; the direct current 15V power supply line 7 is connected to a 15V output port of the switching power supply.
The first external power supply 4 and the second external power supply 6 are purchased or self-made, the purchased and self-made are used for determining the capacity of the corresponding switch power supply according to the number of the field nixie tube display screens and the internal power supply capacity, after the switch power supply is installed, corresponding circuits are installed and laid according to the positions of the field nixie tube display screens, and the voltage functions and communication signals of the circuits are distinguished by corresponding colors, so that the occurrence of wiring errors is prevented; in order to conveniently carry out corresponding maintenance and repair on the nixie tube large screen, an aviation plug is arranged at a connecting point of the large screen and a power line, and the nixie tube large screen can be flexibly processed only by disconnecting the aviation plug when the nixie tube large screen needs maintenance and repair;
because most of the switch power supplies in the market are single-voltage switch power supplies, although the switch power supplies with multiple voltage outputs exist, the capacity of the switch power supplies is low, two groups of switch power supplies with different outputs can be purchased, or a high-power switch tube is adopted to design a switch power supply with larger capacity, the power supply not only has 5V power supply but also has 15V power supply output, and the output current is determined to meet the power supply requirement according to the large screen quantity displayed by the LED nixie tube; the power supply has a protection function, so that the power supply is protected from being damaged when a load short circuit fault occurs, and when the power supply voltage of the power supply is flashed or fluctuated, the voltage of the input side is stabilized, and the electric element on the power supply side of the power supply is prevented from being damaged due to impact;
according to the requirement that the LED large screen needs to be offline for maintenance frequently, an aviation plug is mounted on the large screen and used for connecting a power line, and the size of the plug is designed into two types, so that the plug confusion of different voltage grades is prevented, and the mistake proofing is realized;
the circuit adopts a signal flexible wire with shielding, and is laid in a workshop steel structure, so that the wire can be prevented from being damaged by external articles, and the wire with a shielding layer can well prevent an external electromagnetic field from interfering a power supply circuit;
the line layout adopts a bus type layout, the length of a single bus is not longer than 50 meters, and the problem of voltage drop caused by too long power lines is effectively prevented.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all according to the utility model discloses the patent application scope structure, characteristics and principle do equivalent change or modify, all include the utility model discloses the patent application scope.
Claims (3)
1. A kind of digital tube display screen power supply unit, including the temperature detection system, the said temperature detection system inserts the master control board, the said master control board communicates with temperature display system to connect, the said master control board and temperature display system power end insert the power supply unit;
the method is characterized in that:
the power supply device comprises a direct current 5V power supply circuit which is output by a first external power supply to supply power, and a direct current 15V power supply circuit which is output by a second external power supply to supply power; the input ends of the first external power supply and the second external power supply are connected to mains supply;
the temperature display system is composed of a plurality of digital screens, and 5V ports of the digital screens are connected to a direct-current 5V power supply circuit through aviation plugs; and a 15V port of the digital screen is connected to a direct current 15V power supply line through an aviation plug.
2. The nixie tube display screen power supply device according to claim 1, wherein: the first external power supply and the second external power supply are both large-capacity switching power supplies.
3. The nixie tube display screen power supply device according to claim 1, wherein: the first external power supply and the second external power supply are the same switching power supply with two-way voltage output; the direct current 5V power supply line is connected to a 5V output port of the switching power supply; and the direct current 15V power supply line is connected to a 15V output port of the switching power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222141174.2U CN218416205U (en) | 2022-08-15 | 2022-08-15 | Digital tube display screen power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222141174.2U CN218416205U (en) | 2022-08-15 | 2022-08-15 | Digital tube display screen power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218416205U true CN218416205U (en) | 2023-01-31 |
Family
ID=85027107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222141174.2U Active CN218416205U (en) | 2022-08-15 | 2022-08-15 | Digital tube display screen power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218416205U (en) |
-
2022
- 2022-08-15 CN CN202222141174.2U patent/CN218416205U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101779357A (en) | Input and output power modules configured to provide selective power to an uninterruptible power supply | |
| CN102073018A (en) | Tester for testing performance of battery protection board | |
| CN218416205U (en) | Digital tube display screen power supply device | |
| CN103163409B (en) | Anti-bearing calibration and device is connect for the wiring of on-the-spot electric instrument electric current | |
| CN103579921B (en) | A kind of comprehensive distribution equipment | |
| CN106556771B (en) | A kind of priming system circuitry self test survey method | |
| CN112858822A (en) | Method for testing electric faults of proportional valve servo valve | |
| CN106684888A (en) | Zero-transition low-voltage intelligent reactive power compensation control device | |
| CN214669346U (en) | Portable direct current test box | |
| CN207250966U (en) | Power distribution cabinet | |
| CN103364668B (en) | A kind of DC distribution equipment intelligent monitoring and energy-consumption monitoring system | |
| CN205506231U (en) | Support cable joint temperature measuring device of generating line power supply | |
| CN206114751U (en) | Reactive power compensator's current test device | |
| CN208797655U (en) | A kind of DC charging equipment | |
| CN112816818A (en) | Portable direct current test box | |
| CN113572259A (en) | Integrated direct-current power supply switching feeder | |
| CN208076688U (en) | A kind of air-conditioning system power quality detecting system | |
| CN106941323A (en) | A kind of electrolgtic aluminium commutation system | |
| CN207623395U (en) | A kind of divider of ontology and second divided voltage plate Phototube Coupling | |
| CN206790392U (en) | A kind of self-shield solar power supply system | |
| CN202383228U (en) | Intelligent combiner box testing system | |
| CN216564958U (en) | DC maintenance power supply device powered by double power supplies | |
| CN220017307U (en) | Electric wire netting dispatch debugging overhauls searchlighting device | |
| CN214252433U (en) | Signal standby through cable loop resistance monitor | |
| CN102386677B (en) | Modular direct current power distribution screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |