CN109613451A - A kind of power supply monitoring control system applied to audio-visual system - Google Patents
A kind of power supply monitoring control system applied to audio-visual system Download PDFInfo
- Publication number
- CN109613451A CN109613451A CN201910063436.8A CN201910063436A CN109613451A CN 109613451 A CN109613451 A CN 109613451A CN 201910063436 A CN201910063436 A CN 201910063436A CN 109613451 A CN109613451 A CN 109613451A
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- China
- Prior art keywords
- module
- power supply
- audio
- visual system
- signal
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
Abstract
The invention discloses a kind of power supply monitoring control systems applied to audio-visual system, including power circuit, audio-visual system power supply and the observation circuit for being connected to audio-visual system both ends of power, if the audio-visual system power supply includes main line power output unit, if if main line power output unit exports main line supply voltage；The observation circuit includes sampling module, signal processing module, one-chip computer module and upper computer module, sampling module includes contact unit, current transformer unit and voltage transformer unit, the input terminal of sampling module is connect with the output end per power output unit all the way, it is used to acquire the electric current, voltage signal per power output unit both ends all the way, and sampling module is electrically connected signal processing module；The signal processing module is used to receive the every voltage of power output unit, current signal all the way of sampling module acquisition, and voltage, electric current are carried out conversion process into digital signal by signal processing module.
Description
Technical field
The present invention relates to audio-visual system administrative skill field, espespecially a kind of power supply monitoring control applied to audio-visual system
System processed.
Background technique
Modern multimedia meeting room has become the more and more important design scope of Modern New office building, with computer
Centered on multimedia technology universal and improve, bring new means and method to meeting work, especially in recent years, depending on
The visual informations such as frequency meeting, remote teaching technology is used widely in meeting room field, and multimedia conferencing room is with its function
Diversity (such as on-the-spot meeting, academic report, training and teaching) obtain rapid proliferation.Either make in multimedia conferencing room
Report, summary, report, products Presentation etc., with the figure of computer interactive operation, text, sound, shadow, picture display, have given full play to participant
The sensory perception of person, substantially increases effect of meeting.Meeting room has come into multimedia era.
Power supply is the power supply support for multimedia equipment, currently, in meeting room audio-visual system, sound system
Power Supplying Equipment, there are many problems, as the most important condition that audio-visual system works normally, the reliability of power supply and steady
Qualitative importance is self-evident.Once there is audio-visual system power failure, maintenance personnel cannot get failure letter in time
Breath, extends fault handling time, affects the normal use of audio-visual system.
Summary of the invention
The shortcomings that the technical problem to be solved by the present invention is to overcome the prior arts provides a kind of applied to audio-visual system
Power supply monitoring control system.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of power supply monitoring control system applied to audio-visual system, including power circuit, audio-visual system
Power supply and the observation circuit for being connected to audio-visual system both ends of power, if the audio-visual system power supply includes that main line power supply is defeated
Unit out, if if main line power output unit exports main line supply voltage；The observation circuit includes sampling module, signal processing
Module, one-chip computer module and upper computer module, sampling module include contact unit, current transformer unit and voltage transformer
Unit, the input terminal of sampling module are connect with the output end per power output unit all the way, are used to acquire defeated per power supply all the way
The electric current, voltage signal at unit both ends out, sampling module are electrically connected signal processing module；The signal processing module is for receiving
Sampling module acquisition per all the way the voltage of power output unit, current signal, signal processing module are turned voltage, electric current
It changes and is processed into digital signal, signal processing module is electrically connected the A/D mouth of one-chip computer module, and one-chip computer module is for receiving digital letter
Number and the digital signal is exported to upper computer module.
As a preferred technical solution of the present invention, upper computer module is electrically connected with one-chip computer module, receives monolithic
The digital signal of machine module output, upper computer module include processing unit, data storage cell, data display unit, and processing is single
Member carries out digital processing to the digital signal, and treated signal data is transmitted to data storage cell and data are shown
Unit.
As a preferred technical solution of the present invention, one-chip computer module is also used to return per where power output unit all the way
The on-off on road.
As a preferred technical solution of the present invention, if main line power output unit includes passing, talking about for multimedia network
The 12V of tube receiver etc. powers, and the 24V for power supply powers, and the 48V for microphone, antenna distributor etc. powers.
As a preferred technical solution of the present invention, power circuit includes switch module, the connection of power circuit input terminal
External ac power source, output end export different grades of positive and negative DC voltage to each working cell of observation circuit, the switching molding
Block is used for supply path of the AC power source described on or off to each working cell of the observation circuit.
The beneficial effects obtained by the present invention are as follows being: if the present invention can detecte the output voltage values of main line power output unit
And current value, therefore power-efficient can be calculated, comprehensive monitoring to circuit may be implemented, electric current, voltage shape are grasped in real time
The information such as state, high reliablity, Electrical Safety hidden danger is few, preferably to adapt to multimedia AV system.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is structure of the invention block diagram；
Fig. 2 is observation circuit structural block diagram of the present invention；
Figure label: 1, power circuit；101, switch module；2, audio-visual system power supply；201, power output unit；3, it monitors
Circuit；31, sampling module；311, contact unit；312, current transformer unit；313, voltage transformer unit；32, signal
Processing module；33, one-chip computer module；34, upper computer module；341, processing unit；342, data storage cell；343, data are aobvious
Show unit.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment: as shown in Figs. 1-2, the present invention provides a kind of power supply monitoring control system applied to audio-visual system,
Including power circuit 1, audio-visual system power supply 2 and the observation circuit 3 for being connected to 2 both ends of audio-visual system power supply, the sound
If video system power supply 2 includes main line power output unit 201, if if main line power output unit 201 exports main line power supply electricity
Pressure；The observation circuit 3 includes sampling module 31, signal processing module 32, one-chip computer module 33 and upper computer module 34, sampling
Module 31 includes contact unit 311, current transformer unit 312 and voltage transformer unit 313, the input of sampling module 31
It holds and is connect with the output end per power output unit 201 all the way, be used to acquire the electricity per 201 both ends of power output unit all the way
Stream, voltage signal, sampling module 31 are electrically connected signal processing module 32；The signal processing module 32 is for receiving sampling module
31 acquisitions per all the way the voltage of power output unit, current signal, signal processing module 32 carry out voltage, electric current at conversion
Digital signal is managed into, signal processing module 32 is electrically connected the A/D mouth of one-chip computer module 33, and one-chip computer module 33 is for receiving number
Signal simultaneously exports the digital signal to upper computer module 34.
One-chip computer module 33 is also used to the on-off per 201 place circuit of power output unit all the way.
Upper computer module 34 is electrically connected with one-chip computer module 33, receives the digital signal that one-chip computer module 33 exports, on
Position machine module 34 includes processing unit 341, data storage cell 342, data display unit 343, and processing unit 341 is to the number
Word signal carries out digital processing, and signal data is transmitted to data storage cell 323 and data display unit by treated
343。
If main line power output unit 201 includes the 12V power supply for multimedia network biography, microphone receiver etc., for supplying
The 24V of power supply powers, and the 48V for microphone, antenna distributor etc. powers.
Power circuit 1 includes switch module 101, and 1 input terminal of power circuit connects external ac power source, and output end exports not
The positive and negative DC voltage of ad eundem is to each working cell of observation circuit, and the switch module 101 described on or off for handing over
Supply path of the galvanic electricity source to each working cell of the observation circuit.
Switch module 101 is electrically connected one-chip computer module 33, carries out on-off control by one-chip computer module 33.
Working principle: if audio-visual system power supply 2 of the invention includes main line power output unit 201, if main line power supply
Output unit 201 includes the 12V power supply for multimedia network biography, microphone receiver etc., and the 24V for power supply powers, with
And the 48V for microphone, antenna distributor etc. powers, and exports supply voltage, the input terminal of sampling module 31 and every electricity all the way
The output end of source output unit 201 connects, and is used to acquire electric current, voltage signal per 201 both ends of power output unit all the way,
Signal is exported to signal processing module 32 and carries out signal conversion processes, signal processing module 32 by signal processing module 32 by it
It is electrically connected the A/D mouth of one-chip computer module 33, signal message is transmitted to one-chip computer module 33, single-chip microcontroller mould by signal processing module 32
Block 33 according to signal to carrying out on-off per 201 place circuit of power output unit all the way, one-chip computer module 33 by signal export to
Upper computer module 34 is stored and is shown by upper computer module 34.
If the present invention can detecte the output voltage values and current value of main line power output unit 201, therefore can calculate
The comprehensive monitoring to circuit may be implemented in power-efficient out, grasps the information such as electric current, voltage status in real time, and high reliablity is used
Electric security risk is few, preferably to adapt to multimedia AV system.
It is worth noting that: whole device realizes control to it by main control button, sets since control button is matched
Standby is commonly used equipment, belongs to existing Changshu technology, details are not described herein its electrical connection and specific circuit structure.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (6)
1. a kind of power supply monitoring control system applied to audio-visual system, which is characterized in that regarded including power circuit (1), sound
Display system power supply (2) and the observation circuit (3) for being connected to audio-visual system power supply (2) both ends, the audio-visual system power supply
(2) if including main line power output unit (201), if main line power output unit (201) is if output main line supply voltage；It is described
Observation circuit (3) includes sampling module (31), signal processing module (32), one-chip computer module (33) and upper computer module (34),
Sampling module (31) includes contact unit (311), current transformer unit (312) and voltage transformer unit (313), sampling
The input terminal of module (31) is connect with the output end per power output unit (201) all the way, is used to acquire defeated per power supply all the way
Electric current, the voltage signal at unit (201) both ends out, sampling module (31) are electrically connected signal processing module (32)；At the signal
Reason module (32) be used to receive sampling module (31) acquisition per the voltage of power output unit, current signal all the way, at signal
It manages module (32) and voltage, electric current is subjected to conversion process into digital signal, signal processing module (32) is electrically connected one-chip computer module
(33) A/D mouth, one-chip computer module (33) is for receiving digital signal and exporting the digital signal to upper computer module
(34).
2. a kind of power supply monitoring control system applied to audio-visual system according to claim 1, which is characterized in that institute
It states upper computer module (34) to be electrically connected with one-chip computer module (33), receives the digital signal of one-chip computer module (33) output, on
Position machine module (34) includes processing unit (341), data storage cell (342), data display unit (343), processing unit
(341) digital processing carried out to the digital signal, and will treated signal data is transmitted to data storage cell (323) with
Data display unit (343).
3. a kind of power supply monitoring control system applied to audio-visual system according to claim 2, which is characterized in that institute
State the on-off in circuit where one-chip computer module (33) is also used to every power output unit (201) all the way.
4. a kind of power supply monitoring control system applied to audio-visual system according to claim 3, which is characterized in that institute
If stating main line power output unit (201) includes the 12V power supply for multimedia network biography, microphone receiver etc., for electricity of powering
The 24V in source powers, and the 48V for microphone, antenna distributor etc. powers.
5. a kind of power supply monitoring control system applied to audio-visual system according to claim 1, which is characterized in that institute
Stating power circuit (1) includes switch module (101), and power circuit (1) input terminal connects external ac power source, and output end exports not
The positive and negative DC voltage of ad eundem is to each working cell of observation circuit, and the switch module (101) is for described on or off
Supply path of the AC power source to each working cell of the observation circuit.
6. a kind of power supply monitoring control system applied to audio-visual system according to claim 5, which is characterized in that institute
Switch module (101) electrical connection one-chip computer module (33) is stated, carries out on-off control by one-chip computer module (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063436.8A CN109613451A (en) | 2019-01-23 | 2019-01-23 | A kind of power supply monitoring control system applied to audio-visual system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063436.8A CN109613451A (en) | 2019-01-23 | 2019-01-23 | A kind of power supply monitoring control system applied to audio-visual system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109613451A true CN109613451A (en) | 2019-04-12 |
Family
ID=66018180
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| CN201910063436.8A Pending CN109613451A (en) | 2019-01-23 | 2019-01-23 | A kind of power supply monitoring control system applied to audio-visual system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110534049A (en) * | 2019-09-10 | 2019-12-03 | 京东方科技集团股份有限公司 | Processing unit and processing method, the display equipment of the operating voltage of luminescent device |
| CN113067413A (en) * | 2021-03-31 | 2021-07-02 | 杭州永谐科技有限公司东莞分公司 | Multi-input program-controlled power supply system without additional power supply |
| CN113866485A (en) * | 2021-10-22 | 2021-12-31 | 深圳市先地图像科技有限公司 | Device for monitoring current and voltage of laser direct imaging equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113866485A (en) * | 2021-10-22 | 2021-12-31 | 深圳市先地图像科技有限公司 | Device for monitoring current and voltage of laser direct imaging equipment |
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Application publication date: 20190412 |