CN107957533A - Line detection apparatus, method and socket - Google Patents
Line detection apparatus, method and socket Download PDFInfo
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- CN107957533A CN107957533A CN201610907823.1A CN201610907823A CN107957533A CN 107957533 A CN107957533 A CN 107957533A CN 201610907823 A CN201610907823 A CN 201610907823A CN 107957533 A CN107957533 A CN 107957533A
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- supply line
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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Abstract
The embodiment of the present invention provides a kind of line detection apparatus, method and socket, and described device includes：Electric circuit inspection module, processing module and output module, the electric circuit inspection module and the output module are connected with the processing module respectively；The electric circuit inspection module is connected with supply line, for gathering the circuit signal of the supply line；The circuit signal includes electric current and/or voltage；The processing module is used to, when the circuit signal meets the first alert if, trigger the output module and export the first warning prompt information.The embodiment of the present invention improves the security of supply line.
Description
Technical field
The present embodiments relate to electron and electrician technical field, more particularly to a kind of line detection apparatus, method and socket.
Background technology
With the increase of the quantity and species of various electrical equipments in production and life, the electricity consumption in production and living is pacified
Full hidden danger is consequently increased.Since electrical equipment is when in use, it is necessary to access supply line, typically by various types of slotting
Seat connection supply line, to obtain power supply electric energy, therefore, the security performance of supply line, which becomes, influences the one of user power utilization safety
A key factor.
For example, when user uses the larger electrical equipment of water heater, electromagnetic oven constant power at the same time, user generally cannot
It is overweight to judge whether current line has resulted in integral load, it is impossible to which whether timely decision circuitry goes wrong, to user's
Body and mind and property cause certain potential threat.
The content of the invention
The embodiment of the present invention provides a kind of line detection apparatus, method and socket, to solve in the prior art can not
The safety issue of detection circuit in time.
This application discloses a kind of line detection apparatus, the line detection apparatus includes：Electric circuit inspection module, processing mould
Block and output module, the electric circuit inspection module and the output module are connected with the processing module respectively；
The electric circuit inspection module is connected with supply line, for gathering the circuit signal of the supply line；The electricity
Road signal includes electric current and/or voltage；
The processing module is used to, when the circuit signal meets the first alert if, trigger the output module output
First warning prompt information.
Preferably, the line detection apparatus further includes the temperature collecting module being connected with the processing module, for adopting
Collect the line temperature of the supply line, and the line temperature is sent to the processing module；
The processing module is additionally operable to, when the temperature of the supply line meets the second alert if, trigger output module
Export second prompt messages；And/or
When the circuit signal and the line temperature meet three alert if, the output module output the is triggered
Three prompt messages.
Preferably, the temperature collecting module includes：Temperature sensor, for gathering the temperature in the supply line；
The digital quantizer being connected with the temperature sensor, for the temperature to be switched to digital letter by analog signal
Number.
Preferably, the electric circuit inspection module include signal acquisition submodule, filtering submodule, frequency conversion submodule,
And isolation submodule；
The signal acquisition submodule is connected with the supply line, for gathering the circuit signal of the supply line；
The circuit signal is curtage；
The filtering submodule connects the signal acquisition submodule, for collect the signal acquisition submodule
Circuit signal is filtered processing；
The frequency conversion submodule is connected with the filtering submodule, for by after the filtering submodule filtering process
Circuit signal be converted to frequency signal；
The isolation submodule is connected with the frequency conversion submodule and the processing module, for isolating the frequency
Noise in rate signal, by the frequency signal transmission after isolation noise to the processing module.
Preferably, when the circuit signal is specially electric current；The signal acquisition submodule includes the first sampling resistor, institute
The first end for stating the first sampling resistor connects the zero curve of the supply line, and second end connects the supply lines by loading interfaces
The firewire on road；The loading interfaces are used to access electrical equipment, when accessing electrical equipment, the circuit acquisition module conducting；
The filtering submodule includes the first filter resistance, the second filter resistance, the first filter capacitor and the second filtering
Capacitance；
The first end of first filter resistance connects the second end of first sampling resistor, second end connection described the
The first end of one filter capacitor；The first end of first end connection first sampling resistor of second filter resistance, second
End connects the first end of second filter capacitor；The second end of first filter capacitor and second filter capacitor connects
Ground；
The frequency conversion submodule includes electric energy computation chip；The power pins of the electric energy computation chip pass through one turn
Change capacitance connection power supply；First input pin connects the first end of first filter capacitor；Second input pin connects
The first end of second filter capacitor；Output pin connects the isolation submodule；
The isolation submodule includes light-coupled isolation chip；The input pin of the light-coupled isolation chip connects the electric energy
The output pin of computation chip, output pin connect the processing module.
Preferably, the processing module is microcontroller；The output module is warning light or loudspeaker.
Preferably, the temperature sensor is K-type thermal coupling；The digital quantizer is K-type thermal coupling analog-digital converter；
The cathode of the K-type thermal coupling connects the first input pin of the K-type thermal coupling analog-digital converter, the K-type thermal coupling
Anode connect the second input pin of the K-type thermal coupling analog-digital converter.
Preferably, the electric circuit inspection module further includes the power supply module being connected with the frequency conversion submodule, for institute
State frequency conversion submodule and the power supply is provided.
The application further discloses a kind of socket, and the socket includes jack body and is arranged in the jack body
Any one line detection apparatus as described above；
The jack body is connected with the supply line；
The line detection apparatus, for detecting the circuit signal of the supply line；The circuit signal includes electric current
And/or voltage.
The application also discloses a kind of wireline inspection method, and the method is applied to any one wireline inspection as described above
In device, the described method includes：
Gather the circuit signal of the supply line；The circuit signal includes electric current and/or voltage；
Judge whether the circuit signal meets the first alert if；
When the circuit signal meets the first alert if, the first warning prompt information is exported.
Line detection apparatus, method and socket provided in an embodiment of the present invention, supply lines is gathered using electric circuit inspection module
Circuit signal in road, circuit signal include electric current and/or voltage, the circuit signal collected then are sent to processing module
In.Processing module handles the data of reception, when judging that the circuit signal meets the first alert if, the report of output first
Alert prompt message.The embodiment of the present invention realizes the prison to supply line by the detection to supply line's progress circuit signal
Control, can find produced problem in supply line in time；By exporting warning prompt information, user can be notified in time, is made
User in time can be handled the circuit to go wrong accordingly, further increase the security of supply line.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of line detection apparatus one embodiment provided in an embodiment of the present invention；
Fig. 2 is a kind of structure diagram of another embodiment of line detection apparatus provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of the electric circuit inspection module in a kind of line detection apparatus provided in an embodiment of the present invention；
Fig. 4 is the circuit structure signal of the electric circuit inspection module in a kind of line detection apparatus provided in an embodiment of the present invention
Figure；
Fig. 5 is the electrical block diagram of the power supply module in a kind of line detection apparatus provided in an embodiment of the present invention；
Fig. 6 is the electrical block diagram of the processing module in a kind of line detection apparatus provided in an embodiment of the present invention；
Fig. 7 is the circuit structure signal of the temperature collecting module in a kind of line detection apparatus provided in an embodiment of the present invention
Figure；
Fig. 8 is the circuit structure diagram in a kind of line detection apparatus provided in an embodiment of the present invention；
Fig. 9 is a kind of structure diagram of one embodiment of socket provided in an embodiment of the present invention；
Figure 10 is a kind of one embodiment structure flow chart of wireline inspection method provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts, belong to the scope of protection of the invention.
Technical scheme mainly realizes the detection to supply line, and the safety of supply line can be effectively ensured
Property, especially in the larger supply line of power.
Due to the rapid development of various industrial technologies and electric field, the feelings of electrical equipment are used in production and life
Condition is more and more, and particularly in the life usually of user, all kinds of electrical equipments play more and more important work in life
With.In practical applications, electrical equipment accesses supply line typically by socket, to obtain the alternating current of supply line's offer
Pressure, ensures the normal work of user equipment.But inventor has found under study for action, supply line there are line short, electric current or
The states such as spread of voltage, there are security risk.
Inventor, can be timely if can be when security risk occurs in supply line by a series of research discovery
Detect, and notify user to make troubleshooting in time, from Electrical Safety is largely improved supply line will be avoided to bring
Security risk.
Therefore, hair proposes technical scheme, and an embodiment of the present invention provides a kind of line detection apparatus, the circuit
Detection device includes line detection module, processing module and output module.By detecting electric current and/or electricity in supply line
The circuit signals such as pressure, and the circuit signal of detection is sent to processing module and is handled, judge what is detected by processing module
Whether circuit signal meets the first alert if, when circuit signal meets the first alert if, will export the first warning prompt
Information allows users to know that supply line has gone wrong, it is necessary to be handled accordingly, to ensure to supply in time to user
The security of electric line.The embodiment of the present invention by being detected to supply line, can in supply line when something goes wrong, and
When be prompted to user, so as to ensure that electrical safety, effectively prevent the security risk that supply line brings.
Technical solution of the present invention is described in detail below in conjunction with attached drawing.
Fig. 1 is a kind of structure diagram of line detection apparatus one embodiment provided in an embodiment of the present invention, this implementation
Example is mainly used for the detection to supply line.
The line detection apparatus can include electric circuit inspection module 101, processing module 102 and output module 103；Its
In：
The electric circuit inspection module 101 and the output module 103 are connected with the processing module 103 respectively；
The electric circuit inspection module 101 is connected with supply line, for gathering the circuit signal of the supply line；It is described
Circuit signal includes electric current and/or voltage；
The electric circuit inspection module is connected with the processing module, after the circuit signal of the supply line is collected,
The circuit signal is sent to processing module.
Wherein, electric circuit inspection module can carry out in real time or periodically circuit signal according to the instruction of processing module
Collection.
The tie point of the supply line and the electric circuit inspection module can be the initial access in the electric power system
End, can utilize the circuit signal of initial incoming end detection electric power system entirety, to judge the security of electric power system entirety.Institute
The tie point for stating supply line and the electric circuit inspection module can also be any bar electricity consumption branch in the supply line
Incoming end, to detect the circuit signal of electricity consumption branch, judges the safe condition of single electricity consumption branch, or can pass through detection
Some electricity consumption branch for going wrong of the circuit signal quick obtaining of each electricity consumption branch.
The electric circuit inspection module can connect with the supply line, for detecting the electric current in the supply line；
The electric circuit inspection module can also be in parallel with the supply line, for detecting the voltage in the supply line；The electricity
Road detection module can also be the first detection sub-module including connecting with the supply line and with the supply line simultaneously
Second detection sub-module of connection, for detecting electric current and voltage in the supply line.
The processing module 102 is used to, when the circuit signal meets the first alert if, trigger the output module
103 the first warning prompt information of output.
When the circuit signal of electric circuit inspection module collection is voltage, first alert if, can be described
Voltage exceeds the first safe voltage allowed band.When the circuit signal of electric circuit inspection module collection is electric current, described the
One alert if can be that the electric current exceeds safe current allowed band.When the circuit signal of electric circuit inspection module collection
Both comprising voltage or when include electric current, first alert if can be voltage exceed the second safe voltage allowed band and
Electric current exceeds the allowed band of the second safe current.
Wherein, the output module can be any device for warning subscriber's line circuit to go wrong, for example, output mould
Block can be indicator light, then it can be the triggering indicator light point to trigger the output module and export the first warning prompt information
It is bright, to prompt customer power supply line anomalies；
It is, of course, also possible to the abnormal conditions of the different colours prompting subscriber's line circuit using warning light, for example, triggering is described defeated
It can be that the triggering indicator light lights up as color to go out module to export the first warning prompt information.
In addition, the processing module can also light difference according to the different detection data of circuit signal, triggering warning light
Color, for prompting customer power supply circuit to be in different states.
By taking circuit signal is electric current as an example, if electric current exceeds safe current allowed band, triggering warning light is lit up as
Red, mark supply line is abnormal, and such as processing not in time, will appear from security risk etc..If electric current, which is in safe current, allows model
When enclosing, but being greater than early warning numerical value, then trigger warning light and light up as yellow, show that supply line will appear from exception, with prompting
User handles it in time.If electric current is in safe current allowed band, and when being less than early warning value, then can trigger warning light point
Bright is green, shows supply line's normal use.
The line detection apparatus can be an independent detection device, can be attached with supply line, obtain
The circuit signal of supply line；The line detection apparatus can also be the power supply unit for being integrated in and being connected with the supply line
In, for example, wiring unit can be socket, the device is in socket, for detecting the electricity for the supply line being connected with the socket
Road signal, the socket can be mobile socket or be fixed on the socket of metope, and fixed socket can be switch socket
Or power outlet etc.；The line detection apparatus, which can also be, to be integrated in electrical equipment, when electrical equipment passes through socket etc.
Wiring unit is connected with supply line when obtaining power supply, line detection apparatus in user equipment namely realizes supply line
Link.
In addition, output module can also be buzzing lamp or loudspeaker etc., meet the first early warning bar in the circuit signal
During part, then described buzzer or loudspeaker output warning sound etc. is triggered.
It should be noted that above-mentioned is only that citing lists the implementation of output module, and the first warning prompt letter
The implementation of breath, in the embodiment of the present invention, does not limit the specific implementation of output module and warning prompt information, appoints
What can realize that the warning mode of prompting user belongs to the content that the embodiment of the present invention is protected.
In the present embodiment, by line detection apparatus to supply line carry out the circuit signal such as electric current and/or voltage into
During row monitoring, the supply line of current detection can be judged according to the circuit signal of collection whether in the range of safe handling,
To prompt the behaviour in service of customer power supply circuit, realize the safety monitoring of supply line, can in time discovery circuit failure with
And threaten, in order to which user carries out troubleshooting in time, so as to improve the security of supply line.
In order to improve the accuracy to electric circuit inspection, found in invention research, temperature is also to weigh whether supply line goes out
One key factor of existing security risk, therefore, as shown in Fig. 2, being a kind of line detection apparatus provided in an embodiment of the present invention
Another embodiment structure diagram.The line detection apparatus the difference from Fig. 1 is that, wireline inspection dress
The temperature collecting module 104 that can also include being connected with the processing module is put, for gathering the circuit temperature of the supply line
Degree, and the line temperature is sent to the processing module 102；
The processing module 102 is additionally operable to when the temperature of the supply line meets the second alert if, triggering output
Module exports second prompt messages；
And when the circuit signal and the line temperature meet three alert if, it is defeated to trigger the output module
Go out the 3rd prompt messages.
Second alert if can be that the temperature of the supply line is more than preset temperature.Wherein, the first alarm carries
Show that information and the second prompt messages can be the same or different.First prompt messages and the second alarm
When information is identical, customer power supply circuit can be prompted to occur abnormal.First prompt messages and the second prompt messages
When different, customer power supply circuit can be prompted to occur abnormal, and user's abnormal cause can be prompted, that is to say due to temperature or
Circuit signal causes supply line abnormal extremely.
When output module is indicator light, the first prompt messages and the second prompt messages can utilize indicator light
Difference light color and distinguish.
3rd alert if can be that the temperature of the supply line meets the first sub- condition of alarm, and its circuit
Signal meets the second sub- condition of alarm.The first sub- condition of alarm can be that temperature is more than the second preset temperature, the second default temperature
Degree can be less than or equal to the first preset temperature.When circuit signal is electric current, the second sub- condition of alarm can be that electric current exceeds
3rd safe current allowed band, the 3rd safe current preset range, which can be less than or equal to the first safe current, allows model
Enclose, when circuit signal is electric current, the second sub- condition of alarm can be that voltage exceeds the 3rd safe voltage allowed band, the 3rd
Safe voltage allowed band can be less than the first safe voltage allowed band.
The temperature threshold and the circuit signal threshold value can be that user voluntarily sets according to the use parameter of component
What working environment put or according to component was configured.
Optionally, in some embodiments, as shown in figure 3, the electric circuit inspection module, can include signal acquisition submodule
Block 301, filtering submodule 302, frequency conversion submodule 303 and isolation submodule 304；
The signal acquisition submodule 301 is connected with the supply line, and the circuit for gathering the supply line is believed
Number；The circuit signal is curtage；
The filtering submodule 302 connects the signal acquisition submodule 301, for the signal acquisition submodule to be adopted
The circuit signal collected is filtered processing；Noise is removed with the circuit signal for gathering the signal acquisition module, is improved accurate
Exactness.
The frequency conversion submodule 303 is connected with the filtering submodule 302, for the filtering submodule to be filtered
Circuit signal after processing is converted to frequency signal；In order to which the circuit signal is converted to digital signal, make the circuit
Signal can be processed module identification.
The isolation submodule 304 is connected with the frequency conversion submodule 303 and the processing module, for isolating
Noise in frequency signal, by the frequency signal transmission after denoising to the processing module.By the electric current in isolation circuit and
Voltage aliquot, only can be exported frequency information in the form of a pulse.
In the embodiment, acquisition module is filtered the circuit signal of the supply line of collection, is eliminated and was gathered
The various acquisition noises produced in journey so that the signal strength higher of the circuit signal collected, can more represent supply line
Service condition.The circuit signal is converted from analog into frequency signal, output frequency by the frequency conversion submodule
Pulse so that grasped to the monitoring information of circuit more accurate.And isolate submodule and described information has been subjected to voltage isolation,
Only pulse number is transmitted, it is ensured that the validity and accuracy of data.
Wherein, each submodule has a variety of possible implementations in the electric circuit inspection module shown in Fig. 3, with circuit signal
Exemplified by electric current, as another embodiment, as shown in figure 4, a kind of possible reality for each submodule in electric circuit inspection module
Existing mode.In the present embodiment, line detection apparatus is used to be arranged in wiring unit, and wiring unit is provided with loading interfaces, uses
In access user equipment so that user equipment is established with supply line and connected.As shown in figure 4,401 be a loading interfaces.
Wherein, the signal acquisition submodule can include the first sampling resistor R6, and the filtering submodule includes first
Filter resistance R7, the second filter resistance R8, the first filter capacitor C7 and the second filter capacitor C8；The frequency conversion submodule
Including electric energy computation chip X1；The isolation submodule includes：Light-coupled isolation chip X2；
Wherein, the first end of the first sampling resistor R6 connects the zero curve of the supply line, and second end passes through load
Interface connects the firewire of the supply line；The loading interfaces are used to access electrical equipment, described when access user equipment
Circuit acquisition module turns on；If non-access user equipment, the electric current detected herein is 0.
The first end of the first filter resistance R7 connects the second end of the first sampling resistor R6, second end connection institute
State the first end of the first filter capacitor C7；The first end of the second filter resistance R8 connects the of the first sampling resistor R6
One end, second end connect the first end of the second filter capacitor C8；The first filter capacitor C7 and second filtered electrical
The second end for holding C8 is grounded；
The power pins of the electric energy computation chip X1 pass through a protection capacitance C9 connection power supplys；First input pin connects
The first end of the first filter capacitor C7；Second input pin connects the first end of the second filter capacitor C8；Output is drawn
Foot connects the isolation submodule；
Input pin in the light-coupled isolation chip connects the output pin of the electric energy computation chip, and output pin connects
Connect the processing module.At the same time the cathode pin of the light emitting diode of the light-coupled isolation chip by a resistance to be supplied
Electricity.And it can be it that the first end of resistance R10 is pulled upward to by the output pin of the light-coupled isolation chip via pull-up resistor R10
The voltage of his module for power supply, it is possible to which the high level+VCC exported using the first end of the pull-up resistor R10, is the line
The each pin or input terminal that other needs are powered in the detection device of road are powered.
In practical application, the electric energy computation chip X1 in above-described embodiment can be HLW8012 chips, the separaant
Module X2 can be light-coupled isolation chip PS2501.
In the present embodiment, the specific connection relation of electric circuit inspection module is illustrated, accurate sampling electricity is provided for user
Road, to further improve the accuracy of the circuit signal of collection, and then improves the security of electric power system.
When circuit signal is voltage, can between the firewire in the supply line and zero curve two resistance in parallel,
The first end of wherein first resistor is connected to firewire, the first end connection of second end and second resistance, the second end of second resistance
It is connected to zero curve.By the voltage output at the first end of the second end of the first resistor or the second resistance, as described
Circuit information.
When circuit signal is electric current, since the current sample mode that above-described embodiment uses is to use sampling resistor from power grid
Directly sampled, this sample mode is not isolated from, so the electric energy computation chip in frequency translation module can will not
The sample rate current information of isolation is isolated, can be non-isolated by being provided for the electric energy computation chip in the electric frequency module
The mode of power supply is isolated.Therefore, optionally, in some embodiments, foregoing circuit detection module can also include and institute
The power supply module of frequency conversion submodule connection is stated, the power supply is provided for the frequency conversion submodule.
In practical applications, the non-isolated power supply circuit that power supply module in certain embodiments can be as shown in Figure 5, when
So, the power supply module can also be resistance-capacitance depressurization power supply.Power conversion chip X4 in Fig. 5 can be MP150
(Monolithic Power 150, core source 150) chip, the MP150 chips are a kind of primary side aligners, can be in non-light
Accurate constant voltage control is provided under coupling isolated instances.Firewire is connected by the first isolation resistance R1, the first isolating diode D1
It is connected on the first pin DRAIN of power conversion chip X4, first pin is also isolated C1 by a capacitance first and carried out
Ground connection, it is ensured that circuit power supply safety；Zero curve connect the cathode of the second isolating diode D2, the 5th isolation capacitance C5 second end,
The second end of 6th isolation capacitance C6 and the second end of the 5th isolation resistance R5.The anode connection of second isolation diode D2 the
The second end of three isolation resistance R3, the first end of the 3rd isolation resistance R3 are connected on the FB pins of power conversion chip X4.The
Three isolation capacitance C3 first ends connect FB pins, second end connection SOURCE pins.The first end connection of second isolation capacitance C2
VCC pin, second end connection SOURCE pins.The second end of second isolation resistance R2 connects the second of the second isolation resistance R3
End, first end connect the anode of the 3rd isolating diode D3.The cathode of 3rd isolation diode D3 connects the 4th isolation resistance R4
Second end.The anode of the 3rd isolation diode D3 of first end connection of 4th isolation capacitance C4, the 4th isolation of second end connection
The first end of resistance R4.The first end of 4th isolation resistance R4, the second end of the second isolation capacitance C2, the 3rd isolation capacitance C3
The anode of second end, the second end of the 3rd isolation resistance R3 and the second isolating diode D2 is all connected to power conversion chip X4
SOURCE pins on.The first end of 5th isolation capacitance C5, the first end and the 5th isolation resistance of the 6th isolation capacitance C6
The first end of R5 is all connected to SOURCE pins.The second end of 5th isolation capacitance C5, the second end of the 6th isolation capacitance C6 with
And the 5th the second end of isolation resistance R5 be all connected to ground connection.5th isolation resistance R5 isolates as a pull-up resistor by the 5th
High level is pulled on the voltage of the first end of resistance R5.
Simultaneously as the voltage pull-up of its first end is high level+5V by the 5th isolation resistance R5, therefore use height herein
Level changes the mold electric energy computation chip in the block for the frequency and light-coupled isolation module is powered.
In certain embodiments, in order to improve treatment effeciency, alternatively, above-mentioned processing module can be microcontroller.
In practical applications, in order to make the microcontroller normal use, crystal oscillating circuit is added for the microcontroller, can be wrapped
Include crystal oscillator capacitance C10, crystal oscillator capacitance C11 and crystal oscillator Y1；Reference power circuit, including reference capacitance C12；Plant-grid connection etc..
Specific connection relation can with as shown in fig. 6, the microcontroller can with selected as ATmega32, by crystal oscillator Y1, capacitance C10 and
Capacitance C11 forms the starting of oscillation module of microcontroller, to provide the crystal oscillator cycle for microcontroller.By capacitance C12 and AREF pin,
AGND pins, AVCC pins etc. form the reference power supply of circuit.The power pins VCC1 connection circuit sampling moulds of the microcontroller
High level+the VCC of the first end output of the pull-up resistor R10 of block is powered for the microcontroller, so that microcontroller can
Normal operation.
In order to make the temperature of the supply line of acquisition more accurate, as another embodiment, the temperature collecting module
Can be temperature sensor, for gathering the temperature in the supply line；And
The digital quantizer being connected with the temperature sensor, for the line temperature to be converted to number by analog signal
Word signal.
The temperature sensor can be located near the supply line, in the temperature that can accurately perceive supply line
In the distance of degree, to obtain more accurate temperature data, make prompt messages more accurate.
In practical applications, usually can all there be fever phenomenon, the electric current of supply line in supply line during power supply
Bigger, fever phenomenon is more serious.And since the supply lines in supply line uses crust of the plastic material as cable more, fever
When serious, cable sheath damage is easily produced, so as to form short circuit, can also trigger fire when serious.Therefore, the embodiment of the present invention
In, there is provided temperature detecting module, detects the environment around supply line at any time, when ambient temperature is excessive, prompts to use
Family takes appropriate measures, for example, cut-out circuit etc., further ensures the safe to use of circuit.
In certain embodiments, in order to further improve the levels of precision of the line temperature of acquisition, alternatively, such as Fig. 7 institutes
Show, above-mentioned temperature sensor can be K-type thermal coupling K1；The digital quantizer can be K-type thermal coupling analog-digital converter X3；
The cathode of the K-type thermal coupling K1 connects the first input pin of the K-type thermal coupling analog-digital converter X3, the K-type
The anode of thermal coupling K1 connects the second input pin of the K-type thermal coupling analog-digital converter X3；
In order to make K-type thermal coupling analog-digital converter X3 normal uses, the also power supply for the K-type thermal coupling analog-digital converter X3 draws
Foot connects power supply, that is, the high level+VCC of the first end output of the pull-up resistor R10 of connection circuit sampling module is
The K-type thermal coupling analog-digital converter X3 is powered.The grounding pin DGND of the K-type thermal coupling analog-digital converter X3 is grounded same
When also be connected with the first end for protecting capacitance C13, the second end connection K-type thermal coupling analog-to-digital conversion of the protection capacitance C13
Device X3 is to carry out circuit protection.
In practical applications, alternatively, the K-type thermal coupling K1 in figure 7 above illustrated embodiment can be nickel network nisiloy K-type heat
Coupling, K-type thermal coupling analog-digital converter X3 can be conversion chip MAX6675.
Fig. 8 is the physical circuit figure based on modules in embodiment described in Fig. 4~Fig. 7, the line detection apparatus of composition
Integrated circuit structure chart, in the circuit structure diagram, L represents firewire, and N represents zero curve.
Circuit sampling mould the first sampling resistor R6 in the block, in the both ends of firewire and zero curve, gathers supply lines with load in series
Electric current in road, is then output to filter module by the electric current.The filter module includes the first filter resistance R7, the second filter
Ripple resistance R8, the first filter capacitor C7 and the second filter capacitor C8.Filter module is output to after the electric current is filtered
In electric energy computation chip HLW8012, circuit signal is converted to digital signal by HLW8012 chips by analog signal, and by exporting
Pin is output in light-coupled isolation chip PS2501, and light-coupled isolation chip is isolated the signals such as voltage, then believes pulse
Number it is output to processing module from output pin.
Temperature collecting module is made of MAX6675 chips and nickel network nisiloy K-type thermal coupling, and MAX6675 chips are by nickel network nickel
The temperature data that silicon K-type thermal coupling obtains is converted to digital signal, and by transformed temperature signal by SO pins, CS pins, SCK
Pin is sent on single chip computer AT mega32.
Single chip computer AT mega32 is handled according to the circuit signal and temperature signal that receive, is judging to meet early warning
During condition, prompt message is exported by warning light L.L is the warning light in output module, and the prompt message of the output can be carried
Show that lamp L is lighted.As shown in figure 8, the CF1 pins of the microcontroller connect the output pin of the light-coupled isolation chip, the list
SO pins, CS pins, the SCK pins of piece machine connect the temperature collecting module.
In the embodiment of the present invention, the electric energy computation chip HLW8012 and light-coupled isolation chip of the circuit sampling module
It can be powered by the resistance in the non-isolated power supply circuit, other chips in the embodiment of the present invention, such as, monolithic
The high level that machine, temperature conversion module MAX6675 can be exported by the first end of the pull-up resistor R10 in the circuit sampling
+ VCC is powered.
In embodiments of the present invention, the chip of specific model is used to accelerate sample rate and processing speed so that is obtained
The sample information taken is more effective, with the line conditions of further quick obtaining supply line, further improves supply line
Security.
In practical applications, the line detection apparatus described in the embodiment of the present invention can be an independent detection device,
It can be attached with supply line, obtain the circuit signal of supply line.The line detection apparatus and the company of supply line
Mode is connect, can be when being laid with supply line, i.e., the line detection apparatus is set in the predeterminated position of supply line；Certainly
Can be connected by wiring unit, such as socket with supply line.The line detection apparatus, which can also be, to be integrated in and institute
In the wiring unit for stating supply line's connection, for example, wiring unit can be socket, which can specifically be set
In socket, it is an integral structure with socket, for detecting the circuit signal for the supply line being connected with the socket.The socket
It can be mobile socket or be fixed on the socket of metope, fixed socket can be switch socket or power outlet etc..
The line detection apparatus, which can also be, to be integrated in electrical equipment, when electrical equipment passes through the wiring units such as socket and supply lines
When road connects, line detection apparatus in user equipment namely connection with supply line is realized.
Therefore, as shown in figure 9, the embodiment of the present invention additionally provides a kind of socket, including jack body 901 and it is arranged on
Line detection apparatus 902 in jack body.The line detection apparatus may refer to described in above-described embodiment.
Wherein, the line detection apparatus 902, for detecting the circuit signal of the supply line；The circuit signal
Including electric current and/or voltage.
When the circuit signal is electric current, after the line detection apparatus is connected with the loading interfaces of socket, access
Supply line.Using the electric current that can be detected in line detection apparatus in supply line, when the non-access user equipment of loading interfaces
When, the electric current for detecting acquisition is 0, when load access user equipment, can detect the non-zero electric current of acquisition, so as to
During electric equipment use, the electric current and/or temperature that are obtained according to detection judge supply line whether safety, it is ensured that use
The safe handling of electric equipment.The line detection apparatus can be referring specifically to Fig. 4~Fig. 8.
When the circuit signal is voltage, the line detection apparatus can be connected in parallel in supply line, use circuit
Detection device can detect the voltage in supply line, obtain voltage according to detection and/or temperature judges whether supply line is pacified
Entirely, to ensure electrical safety.
It should be noted that the line detection apparatus of the embodiment of the present invention be applied to jack body in, but with socket sheet
Body and the connection circuit of supply line can be independent, can also be integrated together.The present invention does not limit this specifically
It is fixed.
Socket provided in an embodiment of the present invention, is convenient for carrying, and using simple, can make user at any time anylyly
Point, is detected the supply line of socket, has ensured the security during socket use.
Based on the line detection apparatus described in any of the above-described embodiment, referring to Figure 10, a kind of circuit provided for the application
One embodiment flow chart of detection method.The described method includes：
1001：Gather the circuit signal of the supply line；The circuit signal includes electric current and/or voltage；
1002：Judge whether the circuit signal meets the first alert if；
1003：When the circuit signal meets the first alert if, the first warning prompt information is exported.
An embodiment of the present invention provides a kind of wireline inspection method, the circuit signal in supply line can be detected, and
Circuit signal prompts user when having abnormal, has provided safety guarantee to the user.
In order to improve the accuracy to electric circuit inspection, found in invention research, whether temperature is also to weigh supply line can
There is a key factor of security risk, therefore, as another embodiment, in the embodiment of the present invention, the collection power supply
During the circuit signal of circuit, the method further includes the line temperature for gathering the supply line.
After the line temperature of the collection supply line, the method further includes：
When the temperature of the supply line meets the second alert if, triggering output module output second alarm carries
Show information；
And when the circuit signal and the line temperature meet three alert if, it is defeated to trigger the output module
Go out the 3rd prompt messages.
Second alert if can be that the temperature of the supply line is more than preset temperature.Wherein, the first alarm carries
Show that information and the second prompt messages can be the same or different.First prompt messages and the second alarm
When information is identical, customer power supply circuit can be prompted to occur abnormal.First prompt messages and the second prompt messages
When different, customer power supply circuit can be prompted to occur abnormal, and user's abnormal cause can be prompted, that is to say due to temperature or
Circuit signal causes supply line abnormal extremely.
When output module is indicator light, the first prompt messages and the second prompt messages can utilize indicator light
Difference light color and distinguish.
3rd alert if can be that the temperature of the supply line meets the first sub- condition of alarm, and its circuit
Signal meets the second sub- condition of alarm.The first sub- condition of alarm can be that temperature is more than the second preset temperature, the second default temperature
Degree can be less than or equal to the first preset temperature.When circuit signal is electric current, the second sub- condition of alarm can be that electric current exceeds
3rd safe current allowed band, the 3rd safe current preset range, which can be less than or equal to the first safe current, allows model
Enclose, when circuit signal is electric current, the second sub- condition of alarm can be that voltage exceeds the 3rd safe voltage allowed band, the 3rd
Safe voltage allowed band can be less than the first safe voltage allowed band.
The temperature threshold and the circuit signal threshold value can be that user voluntarily sets according to the use parameter of component
What working environment put or according to component was configured.
In the embodiment of the present invention, also the line temperature of supply line is acquired, by the judgement of line temperature into one
Step improves the security of the supply line.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, physics list is may or may not be as the component that unit is shown
Member, you can with positioned at a place, or can also be distributed in multiple network unit.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
The part that technical solution substantially in other words contributes to the prior art is stated to embody in the form of software product, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Order is used so that a computer equipment (can be personal computer, server, or network equipment etc.) performs each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (10)
- A kind of 1. line detection apparatus, it is characterised in that including：Electric circuit inspection module, processing module and output module, it is described Electric circuit inspection module and the output module are connected with the processing module respectively；The electric circuit inspection module is connected with supply line, for gathering the circuit signal of the supply line；The circuit letter Number include electric current and/or voltage；The processing module is used to, when the circuit signal meets the first alert if, trigger the output module output first Warning prompt information.
- 2. device according to claim 1, it is characterised in that further include the temperature acquisition mould being connected with the processing module Block, sends to the processing module for gathering the line temperature of the supply line, and by the line temperature；The processing module is additionally operable to when the temperature of the supply line meets the second alert if, triggering output module output Second prompt messages；And/orWhen the circuit signal and the line temperature meet three alert if, the 3rd report of output module output is triggered Alert prompt message.
- 3. the apparatus of claim 2, it is characterised in that the temperature collecting module includes：Temperature sensor, is used for Gather the temperature in the supply line；The digital quantizer being connected with the temperature sensor, for the temperature to be switched to digital signal by analog signal.
- 4. device according to claims 1 to 3, it is characterised in that the electric circuit inspection module includes signal acquisition submodule Block, filtering submodule, frequency conversion submodule and isolation submodule；The signal acquisition submodule is connected with the supply line, for gathering the circuit signal of the supply line；It is described Circuit signal is curtage；The filtering submodule connects the signal acquisition submodule, for the circuit for collecting the signal acquisition submodule Signal is filtered processing；The frequency conversion submodule with it is described filtering submodule be connected, for by it is described filter submodule filtering process after electricity Road signal is converted to frequency signal；The isolation submodule is connected with the frequency conversion submodule and the processing module, for isolating the frequency letter Noise in number, by the frequency signal transmission after isolation noise to the processing module.
- 5. device according to claim 4, it is characterised in that the circuit signal is specially electric current；The signal acquisition submodule includes the first sampling resistor, and the first end of first sampling resistor connects the supply lines The zero curve on road, second end connect the firewire of the supply line by loading interfaces；The loading interfaces are set for accessing electricity consumption It is standby, when accessing electrical equipment, the circuit acquisition module conducting；The filtering submodule includes the first filter resistance, the second filter resistance, the first filter capacitor and the second filter capacitor；The first end of first filter resistance connects the second end of first sampling resistor, second end connection first filter The first end of ripple capacitance；The first end of second filter resistance connects the first end of first sampling resistor, and second end connects Connect the first end of second filter capacitor；The second end of first filter capacitor and second filter capacitor is grounded；The frequency conversion submodule includes electric energy computation chip；The power pins of the electric energy computation chip pass through a conversion electricity Hold connection power supply；First input pin connects the first end of first filter capacitor；Described in the connection of second input pin The first end of second filter capacitor；Output pin connects the isolation submodule；The isolation submodule includes light-coupled isolation chip；The input pin of the light-coupled isolation chip connects the electrical energy measurement The output pin of chip, output pin connect the processing module.
- 6. device according to claim 1, it is characterised in that the processing module is microcontroller；The output module is Warning light or loudspeaker.
- 7. device according to claim 3, it is characterised in that the temperature sensor is K-type thermal coupling；The numeral conversion Device is K-type thermal coupling analog-digital converter；The cathode of the K-type thermal coupling connects the first input pin of the K-type thermal coupling analog-digital converter, and the K-type thermal coupling is born Pole connects the second input pin of the K-type thermal coupling analog-digital converter.
- 8. device according to claim 5, it is characterised in that the electric circuit inspection module further includes and the frequency conversion The power supply module of submodule connection, the power supply is provided for the frequency conversion submodule.
- A kind of 9. socket, it is characterised in that including jack body and be arranged in the jack body as claim 1~ 8 any one of them line detection apparatus；The jack body is connected with the supply line；The line detection apparatus, for detecting the circuit signal of the supply line；The circuit signal include electric current and/or Voltage.
- A kind of 10. wireline inspection method, it is characterised in that filled applied to such as claim 1~8 any one of them wireline inspection In putting, the described method includes：Gather the circuit signal of the supply line；The circuit signal includes electric current and/or voltage；Judge whether the circuit signal meets the first alert if；When the circuit signal meets the first alert if, the first warning prompt information is exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907823.1A CN107957533A (en) | 2016-10-18 | 2016-10-18 | Line detection apparatus, method and socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907823.1A CN107957533A (en) | 2016-10-18 | 2016-10-18 | Line detection apparatus, method and socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107957533A true CN107957533A (en) | 2018-04-24 |
Family
ID=61953459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610907823.1A Pending CN107957533A (en) | 2016-10-18 | 2016-10-18 | Line detection apparatus, method and socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107957533A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100607A (en) * | 2018-08-15 | 2018-12-28 | 深圳市华博精测科技有限公司 | socket tester |
-
2016
- 2016-10-18 CN CN201610907823.1A patent/CN107957533A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100607A (en) * | 2018-08-15 | 2018-12-28 | 深圳市华博精测科技有限公司 | socket tester |
| CN109100607B (en) * | 2018-08-15 | 2024-06-04 | 东莞市华博精测仪表科技有限公司 | Socket tester |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180709 Address after: 301700 -85 557, Fuyuan Road, Wuqing Development Zone, Tianjin, China (centralized office area), 557 Applicant after: Tianjin Fu Rui Yang Technology Development Co., Ltd. Address before: 300392 Tianjin Wuqing District, Zhu Zhu street, 13, 103, -13 Applicant before: Tianjin five door technology development Co., Ltd. |
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Application publication date: 20180424 |
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| WD01 | Invention patent application deemed withdrawn after publication |