CN108241312A - A kind of light current monitoring early-warning system for DC circuit - Google Patents
A kind of light current monitoring early-warning system for DC circuit Download PDFInfo
- Publication number
- CN108241312A CN108241312A CN201611220862.0A CN201611220862A CN108241312A CN 108241312 A CN108241312 A CN 108241312A CN 201611220862 A CN201611220862 A CN 201611220862A CN 108241312 A CN108241312 A CN 108241312A
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- China
- Prior art keywords
- circuit
- light current
- input terminal
- output terminal
- current monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2503—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques for measuring voltage only, e.g. digital volt meters (DVM's)
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of light current monitoring early-warning systems for DC circuit, including controller, the input terminal of the controller is electrically connected with the first output terminal of A/D converter, the input terminal of the A/D converter is electrically connected with the output terminal of voltage transformer, the second output terminal of the A/D converter and the input terminal of data comparator connect, and the data comparator is bi-directionally connected with controller.This is used for the light current monitoring early-warning system of DC circuit, when output voltage is higher than 24V in DC circuit, it can be the powered operation of electrical appliance by the cooperation of feedback module, microprocessor and control switch, auto power off module, electrical appliance is damaged so as to be avoided that；And when output voltage is higher than 24V in DC circuit, buzzer can be driven to complete onsite alarming automatically by the cooperation of feedback module and microprocessor, driving wireless router sends remote alarms information, so as to be automatically performed early warning work.
Description
Technical field
The present invention relates to light current monitoring technology field, specially a kind of light current monitoring early-warning systems for DC circuit.
Background technology
Light current generally refers to DC circuit or audio, video line, network line, telephone line, DC voltage generally exist
Within 24V.The signal input (catv line) of phone, computer, television set in household electrical appliance, stereo set (output terminal
Circuit) etc. household electrical appliance be light current electrical equipment.
Light current in building mainly has two classes：One kind is the low-voltages such as safety voltage level and the control voltage of national regulation
Electric energy is divided into exchange (to exchange 36V hereinafter, direct current 24V is hereinafter, such as 24V DC control supplies or emergency light with direct current
Stand-by power supply)；Another kind of is the information source for being loaded with the information such as voice, image, data, such as the letter of phone, TV and computer
Breath.
In DC circuit, when output voltage is excessively high, the service life of the electrical appliance using the DC circuit can be reduced, it is defeated
When going out voltage and then referring exclusively to plant-grid connection discharge circuit, the electromotive force of both ends of power.
Traditional light current monitoring system, when output voltage is higher than 24V in DC circuit, it is impossible to auto power off module
For the powered operation of electrical appliance, electrical appliance is damaged so as to not be avoided that, and output voltage is higher than 24V in DC circuit
When, it is impossible to it is automatically performed early warning work.For this purpose, a kind of it is proposed that light current monitoring early-warning system for DC circuit.
Invention content
The purpose of the present invention is to provide a kind of light current monitoring early-warning system for DC circuit, to solve above-mentioned background
Traditional light current monitoring system is proposed in technology, when output voltage is higher than 24V in DC circuit, it is impossible to auto power off mould
Block is the powered operation of electrical appliance, electrical appliance is damaged, and output voltage is higher than in DC circuit so as to not be avoided that
During 24V, it is impossible to the problem of being automatically performed early warning work.
To achieve the above object, the present invention provides following technical solution：A kind of light current monitoring and early warning for DC circuit
System, including controller, the input terminal of the controller is electrically connected with the first output terminal of A/D converter, the A/D converter
Input terminal be electrically connected with the output terminal of voltage transformer, the second output terminal of the A/D converter and data comparator it is defeated
Enter end connection, the data comparator is bi-directionally connected with controller, two input terminals of the controller respectively with input through keyboard
The output terminal of module and power module connects, and two output terminals of controller respectively with display module and power module
Input terminal connects.
The output terminal of the data comparator is electrically connected by feedback module with the input terminal of microprocessor, the microprocessor
Input terminal of the two of which output terminal of device respectively with buzzer and wireless router is electrically connected, the microprocessor it is another
A output terminal is by controlling switch to be connect, and the input terminal of the output terminal of power module and electrical appliance with the input terminal of power module
Electrical connection.
Preferably, the controller uses the integrated CPU of model Pentium E2210.
Preferably, the microprocessor uses the PIC single chip microcomputer of MCS-51 series.
Preferably, the display module uses high-definition liquid crystal display screen.
Preferably, the voltage transformer uses the DC voltage transformer of model JDZJ-10.
Preferably, the data comparator uses the general low-voltage comparator of model TLV1393IP.
Compared with prior art, the beneficial effects of the invention are as follows：This is used for the light current monitoring early-warning system of DC circuit,
Before use, by the cooperation of keyboard input module and controller, the maximum voltage threshold (24V) of input direct-current circuit to data
In comparator, in the present invention in use, acquiring the output voltage of DC circuit in real time by voltage transformer, work as data comparator
When judging that output voltage is higher than 24V in DC circuit, by feedback module, microprocessor and the cooperation switched can be controlled, from
Dynamic circuit breaker switch power supply module is the powered operation of electrical appliance, and electrical appliance is damaged so as to be avoided that；It is and defeated in DC circuit
When going out voltage higher than 24V, buzzer can be driven to complete onsite alarming automatically by the cooperation of feedback module and microprocessor,
Wireless router is driven to send remote alarms information, so as to be automatically performed early warning work.
Description of the drawings
Fig. 1 is present system principle schematic.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of light current monitoring early-warning system for DC circuit,
Including controller, the input terminal of controller is electrically connected with the first output terminal of A/D converter, input terminal and the electricity of A/D converter
The output terminal electrical connection of mutual inductor is pressed, the second output terminal of A/D converter and the input terminal of data comparator connect, and data compare
Device is bi-directionally connected with controller, and two input terminals of controller connect respectively with the output terminal of keyboard input module and power module
It connects, and input terminal of two output terminals of controller respectively with display module and power module is connect.
The output terminal of data comparator is electrically connected by feedback module with the input terminal of microprocessor, and microprocessor is wherein
Input terminal of two output terminals respectively with buzzer and wireless router is electrically connected, another output terminal of microprocessor passes through
Control switch is connect, and the output terminal of power module is electrically connected with the input terminal of electrical appliance with the input terminal of power module.
In the present invention：Controller uses the integrated CPU of model Pentium E2210.
In the present invention：Microprocessor uses the PIC single chip microcomputer of MCS-51 series.
In the present invention：Display module uses high-definition liquid crystal display screen.
In the present invention：Voltage transformer uses the DC voltage transformer of model JDZJ-10.
In the present invention：Data comparator uses the general low-voltage comparator of model TLV1393IP.
Operation principle：This be used for DC circuit light current monitoring early-warning system, before use, by keyboard input module with
And the cooperation of controller, in the maximum voltage threshold (24V) to data comparator of input direct-current circuit, as DC circuit voltage
Comparison value.
In the present invention in use, acquiring the output voltage of DC circuit in real time by voltage transformer, work as data comparator
When judging that output voltage is higher than 24V in DC circuit, by feedback module, microprocessor and the cooperation switched can be controlled, from
Dynamic circuit breaker switch power supply module be electrical appliance powered operation, and in DC circuit output voltage be higher than 24V when, can be by feeding back mould
The cooperation of block and microprocessor, drives buzzer to complete onsite alarming automatically, and driving wireless router sends remote alarms letter
Breath.
In summary：This is used for the light current monitoring early-warning system of DC circuit, and output voltage is higher than 24V in DC circuit
When, can electrician be supplied for electrical appliance by the cooperation of feedback module, microprocessor and control switch, auto power off module
Make, electrical appliance is damaged so as to be avoided that；And when output voltage is higher than 24V in DC circuit, feedback module can be passed through
And the cooperation of microprocessor, buzzer is driven to complete onsite alarming automatically, driving wireless router sends remote alarms information,
So as to be automatically performed early warning work.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
Also there are other identical elements in the process, method, article or apparatus that includes the element ".
Involved in this system to correlation module be hardware system module or for prior art Computer Software journey
The function module that sequence or agreement are combined with hardware, computer software programs or agreement involved by the function module itself
The technology being well known to those skilled in the art is not the improvements of this system；This system is improved between each module
Interaction relationship or connection relation, as the whole construction of system is improved, to be solved with solving this system
Relevant art problem.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of light current monitoring early-warning system for DC circuit, including controller, it is characterised in that：The controller it is defeated
Enter end to be electrically connected with the first output terminal of A/D converter, the input terminal of the A/D converter and the output terminal electricity of voltage transformer
Connection, the second output terminal of the A/D converter and the input terminal of data comparator connect, the data comparator and controller
It being bi-directionally connected, the output terminal of two input terminals of the controller respectively with keyboard input module and power module is connect, and
Input terminal of two output terminals of controller respectively with display module and power module is connect；
The output terminal of the data comparator is electrically connected by feedback module with the input terminal of microprocessor, the microprocessor
Input terminal of the two of which output terminal respectively with buzzer and wireless router is electrically connected, and another of the microprocessor is defeated
Outlet is by controlling switch to be connect, and the output terminal of power module and the input terminal of electrical appliance are electrically connected with the input terminal of power module
It connects.
2. a kind of light current monitoring early-warning system for DC circuit according to claim 1, it is characterised in that：The control
Device processed uses the integrated CPU of model Pentium E2210.
3. a kind of light current monitoring early-warning system for DC circuit according to claim 1, it is characterised in that：It is described micro-
Processor uses the PIC single chip microcomputer of MCS-51 series.
4. a kind of light current monitoring early-warning system for DC circuit according to claim 1, it is characterised in that：It is described aobvious
Show that module uses high-definition liquid crystal display screen.
5. a kind of light current monitoring early-warning system for DC circuit according to claim 1, it is characterised in that：The electricity
Mutual inductor is pressed to use the DC voltage transformer of model JDZJ-10.
6. a kind of light current monitoring early-warning system for DC circuit according to claim 1, it is characterised in that：The number
The general low-voltage comparator of model TLV1393IP is used according to comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220862.0A CN108241312A (en) | 2016-12-26 | 2016-12-26 | A kind of light current monitoring early-warning system for DC circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220862.0A CN108241312A (en) | 2016-12-26 | 2016-12-26 | A kind of light current monitoring early-warning system for DC circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108241312A true CN108241312A (en) | 2018-07-03 |
Family
ID=62701911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611220862.0A Pending CN108241312A (en) | 2016-12-26 | 2016-12-26 | A kind of light current monitoring early-warning system for DC circuit |
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|---|---|
| CN (1) | CN108241312A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110029145A1 (en) * | 2007-08-22 | 2011-02-03 | Youyun Dong | Intelligent electrical energy management system device |
| CN204065372U (en) * | 2014-05-06 | 2014-12-31 | 深圳曦光科技有限公司 | The real-time management and control early warning system of remote centralized ups power |
| CN104932380A (en) * | 2015-06-19 | 2015-09-23 | 中国船舶重工集团公司第七二六研究所 | Multi-mode and multi-channel power supply real-time monitoring system and method |
| CN106129497A (en) * | 2016-08-25 | 2016-11-16 | 陈节庆 | A kind of power battery intelligent monitor system |
-
2016
- 2016-12-26 CN CN201611220862.0A patent/CN108241312A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110029145A1 (en) * | 2007-08-22 | 2011-02-03 | Youyun Dong | Intelligent electrical energy management system device |
| CN204065372U (en) * | 2014-05-06 | 2014-12-31 | 深圳曦光科技有限公司 | The real-time management and control early warning system of remote centralized ups power |
| CN104932380A (en) * | 2015-06-19 | 2015-09-23 | 中国船舶重工集团公司第七二六研究所 | Multi-mode and multi-channel power supply real-time monitoring system and method |
| CN106129497A (en) * | 2016-08-25 | 2016-11-16 | 陈节庆 | A kind of power battery intelligent monitor system |
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Application publication date: 20180703 |