CN109387696A - Electric meter device with light flashing function - Google Patents
Electric meter device with light flashing function Download PDFInfo
- Publication number
- CN109387696A CN109387696A CN201810362365.7A CN201810362365A CN109387696A CN 109387696 A CN109387696 A CN 109387696A CN 201810362365 A CN201810362365 A CN 201810362365A CN 109387696 A CN109387696 A CN 109387696A
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- unit
- optical flare
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- 239000000523 sample Substances 0.000 claims abstract description 119
- 230000003287 optical effect Effects 0.000 claims description 142
- 238000005259 measurement Methods 0.000 claims description 32
- 230000003760 hair shine Effects 0.000 claims description 30
- 230000005611 electricity Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 description 30
- 238000000691 measurement method Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/025—General constructional details concerning dedicated user interfaces, e.g. GUI, or dedicated keyboards
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/068—Arrangements for indicating or signaling faults
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention discloses an ammeter device with a light flashing function, which comprises a positive end probe, a negative end probe, a resistance measuring circuit, a voltage supply unit, a micro control unit and a light flashing prompt unit, wherein the positive end probe is connected with the resistance measuring circuit; the resistance measuring circuit measures an external resistance through the positive end probe and the negative end probe to obtain a resistance value of the external resistance; the resistance measuring circuit informs the micro control unit of the resistance value of the external resistor; if the resistance value of the external resistor is less than or equal to a default value, the micro control unit controls the light flicker prompting unit to emit light, not to emit light or to emit light in a flicker manner so as to remind a user.
Description
Technical field
The invention relates to a kind of watt-hour meter device, especially a kind of watt-hour meter device with optical flare function.
Background technique
Ammeter and hook table (clamp meter) are common electron measuring devices；Hook table is not required in electrical contact to measure
Survey the electric current in conductor (such as electric wire).
Ammeter and hook table have the function of short-circuit test to test short circuit；When short circuit by the relevant technologies ammeter measure then,
The ammeter of the relevant technologies can generate sound to remind user.However, in noisy environment, such as inside factory, make
User can sometimes be difficult to hear sound caused by the ammeter of the relevant technologies.
Summary of the invention
To improve above-mentioned known technology the shortcomings that, the first object of the present invention are to provide a kind of with optical flare function
Watt-hour meter device.
To improve above-mentioned known technology the shortcomings that, the second object of the present invention are to provide a kind of with optical flare function
Watt-hour meter device.
To improve above-mentioned known technology the shortcomings that, the third object of the present invention are to provide a kind of with optical flare function
Watt-hour meter device.
To reach above-mentioned first purpose of the invention, the watt-hour meter device with optical flare function of the invention is to be applied to one
Non-essential resistance, there is the watt-hour meter device of optical flare function to include for this: an anode probe, it is outer that one end of the anode probe is connected to this
One end of portion's resistance；One end of one negative terminal probe, the negative terminal probe is connected to the other end of the non-essential resistance, the negative terminal probe
Other end ground connection；One resistance measuring circuit, the resistance measuring circuit are connected to the other end of the anode probe；The supply of one voltage is single
Member, the voltage supply unit are connected to the resistance measuring circuit；One micro-control unit, the micro-control unit are connected to resistance survey
Measure circuit；And an optical flare prompt unit, the optical flare prompt unit are connected to the micro-control unit.Wherein resistance measurement electricity
Road measures the non-essential resistance by the anode probe and the negative terminal probe to obtain a resistance value of the non-essential resistance；The resistance is surveyed
Measure the resistance value of the circuit notice micro-control unit non-essential resistance；One time of measuring is defined as the resistance measuring circuit and passes through
The anode probe and the negative terminal probe measure the non-essential resistance and the resistance value of the non-essential resistance is less than or equal to a default value
A duration；The micro-control unit calculates and judges the time of measuring.Wherein if when the time of measuring is default less than one
Between and the optical flare prompt unit be do not work, then in the preset time, the micro-control unit controls optical flare prompt unit
It shines；If the time of measuring be less than the preset time and the optical flare prompt unit be it is luminous, in the preset time, this
Micro-control unit closes the optical flare prompt unit；If the time of measuring is not less than the preset time, the micro-control unit
The optical flare prompt unit is controlled glisteningly to shine.
Furthermore the watt-hour meter device as described above with optical flare function also includes: a display, display connection
To the micro-control unit.Wherein the optical flare prompt unit is a backlight module.
Furthermore the watt-hour meter device as described above with optical flare function, wherein the optical flare prompt unit is one luminous
Diode.
Furthermore there is the watt-hour meter device of optical flare function as described above, wherein the resistance measuring circuit includes: one first
Divider resistance, one end of first divider resistance are connected to the voltage supply unit；One posive temperature coefficient thermistor unit, should
One end of posive temperature coefficient thermistor unit is connected to the other end of first divider resistance, the posive temperature coefficient thermistor
The other end of unit is connected to the other end of the anode probe；One measurement end resistance, one end of the measurement end resistance are connected to this
The other end of the other end of anode probe and the posive temperature coefficient thermistor unit；One comparator；An and reference voltage source.Its
In the comparator include: a first input end, the first input end of the comparator are connected to the other end of the measurement end resistance；
Second input terminal of one second input terminal, the comparator is connected to the reference voltage source；And an output end, the comparator should
Output end is connected to the micro-control unit.It, should wherein if the resistance value of the non-essential resistance is less than or equal to the default value
Comparator notifies the resistance value of the micro-control unit non-essential resistance to be less than or equal to the default value.
To reach above-mentioned second purpose of the invention, the watt-hour meter device with optical flare function of the invention is to be applied to one
Non-essential resistance, there is the watt-hour meter device of optical flare function to include for this: an anode probe, it is outer that one end of the anode probe is connected to this
One end of portion's resistance；One end of one negative terminal probe, the negative terminal probe is connected to the other end of the non-essential resistance, the negative terminal probe
Other end ground connection；One resistance measuring circuit, the resistance measuring circuit are connected to the other end of the anode probe；The supply of one voltage is single
Member, the voltage supply unit are connected to the resistance measuring circuit；One micro-control unit, the micro-control unit are connected to resistance survey
Measure circuit；One optical flare prompt unit, the optical flare prompt unit are connected to the micro-control unit；And an auditory tone cues unit,
The auditory tone cues unit is connected to the micro-control unit.Wherein the resistance measuring circuit passes through the anode probe and the negative terminal probe
The non-essential resistance is measured to obtain a resistance value of the non-essential resistance；The resistance measuring circuit notifies the micro-control unit outside this
The resistance value of resistance；One time of measuring is defined as the resistance measuring circuit should by the anode probe and negative terminal probe measurement
This of non-essential resistance and the non-essential resistance resistance value are less than or equal to a duration of a default value；The micro-control unit calculates
And judge the time of measuring.Wherein if the time of measuring is less than a preset time and the optical flare prompt unit is not work,
In the preset time, the micro-control unit controls optical flare prompt unit shines, and the micro-control unit controls should simultaneously
Auditory tone cues unit makes a sound；If the time of measuring be less than the preset time and the optical flare prompt unit be it is luminous,
In the preset time, which closes the optical flare prompt unit, and micro-control unit controls sound simultaneously
Prompt unit makes a sound；If the time of measuring is not less than the preset time, the micro-control unit controls optical flare is mentioned
Show that unit glisteningly shines, and the micro-control unit controls auditory tone cues unit makes a sound simultaneously.
Furthermore the watt-hour meter device as described above with optical flare function also includes: a display, display connection
To the micro-control unit.Wherein the optical flare prompt unit is a backlight module.
Furthermore the watt-hour meter device as described above with optical flare function, wherein the optical flare prompt unit is one luminous
Diode.
Furthermore the watt-hour meter device as described above with optical flare function, wherein the auditory tone cues unit is a buzzer.
Furthermore there is the watt-hour meter device of optical flare function as described above, wherein the resistance measuring circuit includes: one first
Divider resistance, one end of first divider resistance are connected to the voltage supply unit；One posive temperature coefficient thermistor unit, should
One end of posive temperature coefficient thermistor unit is connected to the other end of first divider resistance, the posive temperature coefficient thermistor
The other end of unit is connected to the other end of the anode probe；One measurement end resistance, one end of the measurement end resistance are connected to this
The other end of the other end of anode probe and the posive temperature coefficient thermistor unit；One comparator；An and reference voltage source.Its
In the comparator include: a first input end, the first input end of the comparator are connected to the other end of the measurement end resistance；
Second input terminal of one second input terminal, the comparator is connected to the reference voltage source；And an output end, the comparator should
Output end is connected to the micro-control unit.It, should wherein if the resistance value of the non-essential resistance is less than or equal to the default value
Comparator notifies the resistance value of the micro-control unit non-essential resistance to be less than or equal to the default value.
To reach above-mentioned third purpose of the invention, the watt-hour meter device with optical flare function of the invention is to be applied to one
Non-essential resistance, there is the watt-hour meter device of optical flare function to include for this: an anode probe, it is outer that one end of the anode probe is connected to this
One end of portion's resistance；One end of one negative terminal probe, the negative terminal probe is connected to the other end of the non-essential resistance, the negative terminal probe
Other end ground connection；One resistance measuring circuit, the resistance measuring circuit are connected to the other end of the anode probe；The supply of one voltage is single
Member, the voltage supply unit are connected to the resistance measuring circuit；One micro-control unit, the micro-control unit are connected to resistance survey
Measure circuit；One backlight module, the backlight module are connected to the micro-control unit；And an auditory tone cues unit, the auditory tone cues list
Member is connected to the micro-control unit.Wherein the resistance measuring circuit measures the external electrical by the anode probe and the negative terminal probe
Resistance is to obtain a resistance value of the non-essential resistance；The resistance measuring circuit notifies the resistance of the micro-control unit non-essential resistance
Value；One time of measuring is defined as the resistance measuring circuit and measures the non-essential resistance by the anode probe and the negative terminal probe and be somebody's turn to do
The resistance value of non-essential resistance is less than or equal to a duration of a default value；The micro-control unit calculates and judges the measurement
Time.Wherein if the time of measuring is less than a preset time and the backlight module is not work, in the preset time, this is micro-
Control unit controls the backlight module and shines, and the micro-control unit controls auditory tone cues unit makes a sound simultaneously；If
The time of measuring be less than the preset time and the backlight module be it is luminous, then in the preset time, micro-control unit closing
The backlight module, and the micro-control unit controls auditory tone cues unit makes a sound simultaneously；If the time of measuring is not less than
The preset time, then the micro-control unit controls backlight module glisteningly shines, and micro-control unit controls sound simultaneously
Sound prompt unit makes a sound.
Furthermore the watt-hour meter device as described above with optical flare function also includes: a display, display connection
To the micro-control unit.
Furthermore the watt-hour meter device as described above with optical flare function, wherein the auditory tone cues unit is a buzzer.
Furthermore there is the watt-hour meter device of optical flare function as described above, wherein the resistance measuring circuit includes: one first
Divider resistance, one end of first divider resistance are connected to the voltage supply unit；One posive temperature coefficient thermistor unit, should
One end of posive temperature coefficient thermistor unit is connected to the other end of first divider resistance, the posive temperature coefficient thermistor
The other end of unit is connected to the other end of the anode probe；One measurement end resistance, one end of the measurement end resistance are connected to this
The other end of the other end of anode probe and the posive temperature coefficient thermistor unit；One comparator；An and reference voltage source.Its
In the comparator include: a first input end, the first input end of the comparator are connected to the other end of the measurement end resistance；
Second input terminal of one second input terminal, the comparator is connected to the reference voltage source；And an output end, the comparator should
Output end is connected to the micro-control unit.It, should wherein if the resistance value of the non-essential resistance is less than or equal to the default value
Comparator notifies the resistance value of the micro-control unit non-essential resistance to be less than or equal to the default value.
Effect of the invention is to be measured then when short circuit by ammeter, and the backlight module or light emitting diode of ammeter can flash
To remind user.
Detailed description of the invention
Fig. 1 is the first embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Fig. 2 is the second embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Fig. 3 is the 3rd embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Fig. 4 is the fourth embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Fig. 5 is the 5th embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Fig. 6 is the sixth embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Fig. 7 is the first embodiment process using the measurement method of the watt-hour meter device with optical flare function of the invention
Figure.
Fig. 8 is the second embodiment process using the measurement method of the watt-hour meter device with optical flare function of the invention
Figure.
Fig. 9 is the 3rd embodiment process using the measurement method of the watt-hour meter device with optical flare function of the invention
Figure.
Figure 10 is the flow chart of watt-hour meter device optical flare method.
Symbol description in attached drawing:
10 watt-hour meter devices with optical flare function；20 non-essential resistances；102 anode probes；104 negative terminal probes；106 resistance measurements
Circuit；108 voltage supply units；110 micro-control units；112 optical flare prompt units；114 displays；116 auditory tone cues lists
Member；118 backlight modules；120 first divider resistances；122PTC thermistor unit；124 measurement end resistance；126 comparators；128
First input end；130 second input terminals；132 output ends；134 reference voltage sources；136 analog-digital converters；The step of S02~08
Suddenly；The step of T02~08；The step of U02~08；The step of V02~22.
Specific embodiment
Detailed description for the present invention and technology contents please refer to detailed description and accompanying drawings below and are described as follows, and
Attached drawing and detailed description as illustrative purposes only, are not intended to limit the present invention.
It please refers to shown in Fig. 1, is the first embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
A kind of watt-hour meter device 10 with optical flare function is to be applied to a non-essential resistance 20；The watt-hour meter device with optical flare function
10 include an anode probe 102, a negative terminal probe 104, a resistance measuring circuit 106, a voltage supply unit 108, a micro-control
Unit 110, an optical flare prompt unit 112 and a display 114 processed.The resistance measuring circuit 106 includes one first partial pressure electricity
Hinder 120, one PTC thermistor unit 122, a measurement end resistance 124, a comparator 126 and a reference voltage source 134.This ratio
It include a first input end 128, one second input terminal 130 and an output end 132 compared with device 126.Wherein PTC is positive temperature coefficient
The abbreviation of (positive temperature coefficient).
One end of the anode probe 102 is connected to one end of the non-essential resistance 20；One end of the negative terminal probe 104 is connected to
The other end of the non-essential resistance 20；The other end of the negative terminal probe 104 is grounded；The resistance measuring circuit 106 is connected to the anode
The other end of probe 102；The voltage supply unit 108 is connected to the resistance measuring circuit 106；The micro-control unit 110 connection
To the resistance measuring circuit 106；The optical flare prompt unit 112 is connected to the micro-control unit 110；The display 114 connection
To the micro-control unit 110；One end of first divider resistance 120 is connected to the voltage supply unit 108；The PTC temperature-sensitive electricity
One end of resistance unit 122 is connected to the other end of first divider resistance 120；The other end of the PTC thermistor unit 122 connects
It is connected to the other end of the anode probe 102；One end of the measurement end resistance 124 be connected to the anode probe 102 the other end and
The other end of the PTC thermistor unit 122；The first input end 128 of the comparator 126 is connected to the measurement end resistance
124 other end；The output end 132 of the comparator 126 is connected to the micro-control unit 110；The reference voltage source 134 connection
To second input terminal 130 of the comparator 126.
The resistance measuring circuit 106 measures the non-essential resistance 20 by the anode probe 102 and the negative terminal probe 104 to obtain
To a resistance value of the non-essential resistance 20；The resistance measuring circuit 106 notifies being somebody's turn to do for the non-essential resistance 20 of micro-control unit 110
Resistance value.In other words, if the resistance value of the non-essential resistance 20 is less than or equal to a default value, the comparator 126 is logical
Know that the resistance value of the micro-control unit 110 non-essential resistance 20 is less than or equal to the default value.The default value can for for example but
The present invention is not limited to 0.1 ohm or 0.5 ohm；The watt-hour meter device 10 with optical flare function can be for example but of the invention
It is not limited to an ammeter or a hook table (clamp meter).
It please refers to shown in Fig. 7, is the of the measurement method of the application watt-hour meter device with optical flare function of the invention
One embodiment flow chart.Furthermore in a specific embodiment of the invention, a time of measuring is defined as the resistance measuring circuit 106
It is less than by the resistance value that the anode probe 102 and the negative terminal probe 104 measure the non-essential resistance 20 and the non-essential resistance 20
Or the duration equal to the default value.As shown in fig. 7, using the survey of the watt-hour meter device with optical flare function of the invention
Amount method comprises the steps of
Step S02: the micro-control unit 110 calculates and judges the time of measuring.If the time of measuring is less than a preset time
(for example, 1 second) and the optical flare prompt unit 112 are not work, then the measurement method enters step S04；If when the measurement
Between be less than the preset time and the optical flare prompt unit 112 be it is luminous, then the measurement method enters step S06；If the survey
The time is measured not less than the preset time, then the measurement method enters step S08.
Step S04: in the default time, which controls the optical flare prompt unit 112 and shines, and connects
Terminate the measurement method.
Step S06: in the default time, which closes the optical flare prompt unit 112, then ties
The beam measurement method.
Step S08: the micro-control unit 110 controls the optical flare prompt unit 112 and glisteningly shines when the measurement
Between terminate, then terminate the measurement method.
For example, the time that the anode probe 102 and the negative terminal probe 104 measure short circuit is that in 0.5 second and then this is being just
End probe 102 and the negative terminal probe 104 do not measure short circuit: if the optical flare prompt unit 112 was not work, at 0.5 second
In clock, which controls the optical flare prompt unit 112 and shines, and then the micro-control unit 110 closes the color break-up
Bright prompt unit 112；If the optical flare prompt unit 112 be it is luminous, in 0.5 second, the micro-control unit 110 close
The optical flare prompt unit 112, then the micro-control unit 110 controls the optical flare prompt unit 112 and shines.
In another example the time that the anode probe 102 and the negative terminal probe 104 measure short circuit is that in 5 seconds and then this is being just
End probe 102 and the negative terminal probe 104 do not measure short circuit: if the optical flare prompt unit 112 was not work, at the 1st second
In clock, which controls the optical flare prompt unit 112 and shines, then in the 2nd~5 second, the microcontroller list
Member 110 controls the optical flare prompt unit 112 and glisteningly shines, and then after the 5th second, which closes should
Optical flare prompt unit 112；If the optical flare prompt unit 112 be it is luminous, in the 1st second, the micro-control unit 110
The optical flare prompt unit 112 is closed, then in the 2nd~5 second, it is single which controls optical flare prompt
Member 112 glisteningly shines, and then after the 5th second, which controls the optical flare prompt unit 112 and shine.
The optical flare prompt unit 112 is a backlight module of the display 114, or being set to this has optical flare function
One light emitting diode on 10 surface of watt-hour meter device of energy.The PTC thermistor unit 122 is a circuit current-limiting protection unit.It should
Voltage supply unit 108 can provide DC voltage or alternating voltage.
It please refers to shown in Fig. 2, is the second embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Component narration shown in Fig. 2 is similar to Fig. 1, is succinct factor, repeats no more in this.Furthermore the resistance measuring circuit 106 also wraps
Containing an analog-digital converter 136；The analog-digital converter 136 is connected to the other end of the measurement end resistance 124 and this is micro-
Control unit 110.If the resistance value of the non-essential resistance 20 is less than or equal to the default value, the analog-digital converter
136 notify the resistance value of the micro-control unit 110 non-essential resistance 20 to be less than or equal to the default value.
It please refers to shown in Fig. 3, is the 3rd embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Component narration shown in Fig. 3 is similar to Fig. 1~2, is succinct factor, repeats no more in this.Furthermore this has optical flare function
Watt-hour meter device 10 also includes an auditory tone cues unit 116；The auditory tone cues unit 116 is connected to the micro-control unit 110.The sound
Sound prompt unit 116 is a buzzer.
It please refers to shown in Fig. 8, is the of the measurement method of the application watt-hour meter device with optical flare function of the invention
Two embodiment flow charts.Furthermore in a specific embodiment of the invention, a time of measuring is defined as the resistance measuring circuit 106
It is less than by the resistance value that the anode probe 102 and the negative terminal probe 104 measure the non-essential resistance 20 and the non-essential resistance 20
Or the duration equal to the default value.As shown in figure 8, using the survey of the watt-hour meter device with optical flare function of the invention
Amount method comprises the steps of
Step T02: the micro-control unit 110 calculates and judges the time of measuring.If the time of measuring is less than a preset time
(for example, 1 second) and the optical flare prompt unit 112 are not work, then the measurement method enters step T04；If when the measurement
Between be less than the preset time and the optical flare prompt unit 112 be it is luminous, then the measurement method enters step T06；If the survey
The time is measured not less than the preset time, then the measurement method enters step T08.
Step T04: in the default time, which controls the optical flare prompt unit 112 and shines, and
The micro-control unit 110 controls the auditory tone cues unit 116 and makes a sound simultaneously, then terminates the measurement method.
Step T06: in the default time, which closes the optical flare prompt unit 112, and simultaneously
The micro-control unit 110 controls the auditory tone cues unit 116 and makes a sound, and then terminates the measurement method.
Step T08: the micro-control unit 110 controls the optical flare prompt unit 112 and glisteningly shines, and the micro-control simultaneously
Unit 110 processed controls the auditory tone cues unit 116 and makes a sound, and until the time of measuring terminates, then terminates the measurement method.
For example, the time that the anode probe 102 and the negative terminal probe 104 measure short circuit is that in 0.5 second and then this is being just
End probe 102 and the negative terminal probe 104 do not measure short circuit: if the optical flare prompt unit 112 was not work, at 0.5 second
In clock, which controls the optical flare prompt unit 112 and shines, and the micro-control unit 110 controls the sound simultaneously
Sound prompt unit 116 makes a sound, and then the micro-control unit 110 closes the optical flare prompt unit 112 and the auditory tone cues
Unit 116；If the optical flare prompt unit 112 be it is luminous, in 0.5 second, the micro-control unit 110 close the color break-up
Prompt unit 112 is sparkled, and the micro-control unit 110 control auditory tone cues unit 116 makes a sound simultaneously, then the microcontroller
Unit 110 controls the optical flare prompt unit 112 and shines and close the auditory tone cues unit 116.
In another example the time that the anode probe 102 and the negative terminal probe 104 measure short circuit is that in 5 seconds and then this is being just
End probe 102 and the negative terminal probe 104 do not measure short circuit: if the optical flare prompt unit 112 was not work, at the 1st second
In clock, which controls the optical flare prompt unit 112 and shines, and the micro-control unit 110 controls the sound simultaneously
Sound prompt unit 116 makes a sound, and then in the 2nd~5 second, which controls the optical flare prompt unit
112 glisteningly shine, and the micro-control unit 110 control auditory tone cues unit 116 makes a sound simultaneously, and then the 5th second
Later, which closes the optical flare prompt unit 112 and the auditory tone cues unit 116；If the optical flare mentions
Show unit 112 be it is luminous, then in the 1st second, the micro-control unit 110 close the optical flare prompt unit 112, and simultaneously should
Micro-control unit 110 controls the auditory tone cues unit 116 and makes a sound, then in the 2nd~5 second, the micro-control unit 110
It controls the optical flare prompt unit 112 glisteningly to shine, and the micro-control unit 110 controls the auditory tone cues unit 116 simultaneously
It makes a sound, then after the 5th second, which controls the optical flare prompt unit 112 and shine and close the sound
Sound prompt unit 116.
It please refers to shown in Fig. 4, is the fourth embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Component narration shown in Fig. 4 is similar to Fig. 1~3, is succinct factor, repeats no more in this.If the electricity of the non-essential resistance 20
Resistance value is less than or equal to the default value, then the analog-digital converter 136 notifies the micro-control unit 110 non-essential resistance 20
The resistance value is less than or equal to the default value.
It please refers to shown in Fig. 5, is the 5th embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Component narration shown in fig. 5 is similar to Fig. 1~4, is succinct factor, repeats no more in this.Furthermore this has optical flare function
Watt-hour meter device 10 also includes a backlight module 118, which is connected to the micro-control unit 110.
It please refers to shown in Fig. 9, is the of the measurement method of the application watt-hour meter device with optical flare function of the invention
Three embodiment flow charts.Furthermore in a specific embodiment of the invention, a time of measuring is defined as the resistance measuring circuit 106
It is less than by the resistance value that the anode probe 102 and the negative terminal probe 104 measure the non-essential resistance 20 and the non-essential resistance 20
Or the duration equal to the default value.As shown in figure 9, using the survey of the watt-hour meter device with optical flare function of the invention
Amount method comprises the steps of
Step U02: the micro-control unit 110 calculates and judges the time of measuring.If the time of measuring is less than a preset time
(for example, 1 second) and the backlight module 118 are not work, then the measurement method enters step U04；If the time of measuring is less than
The preset time and the backlight module 118 be it is luminous, then the measurement method enters step U06；If the time of measuring is not less than
The preset time, then the measurement method enters step U08.
Step U04: in the default time, which controls the backlight module 118 and shines, and simultaneously should
Micro-control unit 110 controls the auditory tone cues unit 116 and makes a sound, and then terminates the measurement method.
Step U06: in the default time, which closes the backlight module 118, and the micro-control simultaneously
Unit 110 processed controls the auditory tone cues unit 116 and makes a sound, and then terminates the measurement method.
Step U08: the micro-control unit 110 controls the backlight module 118 and glisteningly shines, and the micro-control unit simultaneously
The 110 control auditory tone cues units 116 make a sound, and until the time of measuring terminates, then terminate the measurement method.
For example, the time that the anode probe 102 and the negative terminal probe 104 measure short circuit is that in 0.5 second and then this is being just
End probe 102 and the negative terminal probe 104 do not measure short circuit:, should in 0.5 second if the backlight module 118 is not work
Micro-control unit 110 controls the backlight module 118 and shines, and the micro-control unit 110 controls the auditory tone cues unit 116 simultaneously
It makes a sound, then the micro-control unit 110 closes the backlight module 118 and the auditory tone cues unit 116；If the backlight mould
Block 118 be it is luminous, then in 0.5 second, which closes the backlight module 118, and micro-control unit simultaneously
110, which control the auditory tone cues unit 116, makes a sound, and then the micro-control unit 110 controls the backlight module 118 and shines and close
Close the auditory tone cues unit 116.
In another example the time that the anode probe 102 and the negative terminal probe 104 measure short circuit is that in 5 seconds and then this is being just
End probe 102 and the negative terminal probe 104 do not measure short circuit:, should in the 1st second if the backlight module 118 is not work
Micro-control unit 110 controls the backlight module 118 and shines, and the micro-control unit 110 controls the auditory tone cues unit 116 simultaneously
It makes a sound, then in the 2nd~5 second, which controls the backlight module 118 and glisteningly shine, and simultaneously
The micro-control unit 110 controls the auditory tone cues unit 116 and makes a sound, then after the 5th second, the micro-control unit 110
Close the backlight module 118 and the auditory tone cues unit 116；If the backlight module 118 be it is luminous, in the 1st second, should
Micro-control unit 110 closes the backlight module 118, and the micro-control unit 110 controls the auditory tone cues unit 116 sending simultaneously
Sound, then in the 2nd~5 second, which controls the backlight module 118 and glisteningly shines, and this is micro- simultaneously
Control unit 110 controls the auditory tone cues unit 116 and makes a sound, then after the 5th second, the micro-control unit 110 control
The backlight module 118 shines and closes the auditory tone cues unit 116.
It please refers to shown in Fig. 6, is the sixth embodiment block diagram of the watt-hour meter device with optical flare function of the invention.
Component narration shown in fig. 6 is similar to Fig. 1~5, is succinct factor, repeats no more in this.If the electricity of the non-essential resistance 20
Resistance value is less than or equal to the default value, then the analog-digital converter 136 notifies the micro-control unit 110 non-essential resistance 20
The resistance value is less than or equal to the default value.
It please refers to shown in Figure 10, is the flow chart of watt-hour meter device optical flare method；Figure 10 is more detailed shown in Fig. 7~9
Thin flow chart.One watt-hour meter device optical flare method comprises the steps of
Does V02: one watt-hour meter device of step detect a short circuit? if it is, this method enters step V04；If it is not, then
This method enters step V18.
Step V04: the cumulative sequential short circuit time for detecting the short circuit.Then this method enters step V06.Wherein,
If a timer of the watt-hour meter device receives an interruption flag (interrupt flag), which adds up, and this is continuous
Short circuit duration.
Does step V06: the continuous light on and off mechanism of the one of a backlight module of the watt-hour meter device start? if it is, the party
Method enters step V14；If it is not, then this method enters step V08.Wherein the continuous light on and off mechanism is that the backlight module is continuous
Light on and off.
Step V08: judge an original state of the backlight module.If the original state be it is bright, this method enters step
Rapid V10；If the original state is to go out, this method enters step V12.
Step V10: store the original state be it is bright, be then switched off the backlight module, and start the continuous light on and off mechanism.It connects
This method enter step V14.
Step V12: storing the original state is to go out, and then opens the backlight module, and start the continuous light on and off mechanism.It connects
This method enter step V14.
Step V14: a sequential short circuit time judgment mechanism is executed；In the sequential short circuit time judgment mechanism, judgement
Does is the sequential short circuit time more than or less than a backlight light on and off period? if it is greater, then this method enters step V16；If it is lower,
Then terminate this method, then restarts this method.Wherein the backlight light on and off period be the backlight module one bright one it is dark when
Between；The backlight light on and off period can be set to 128ms, 256ms or 512ms.
Step V16: a light on and off state of the backlight module is inverted (i.e. if the backlight module is bright, the backlight module
Become going out；If the backlight module is to go out, which becomes bright), and remove the sequential short circuit time.Then terminate
This method, and restart this method.Does step V18: the continuous light on and off mechanism start? if it is, this method enters step
Rapid V20；If it is not, then terminating this method, and restart this method.
Step V20: the continuous light on and off mechanism is closed.Then this method enters step V22.
Step V22: restoring the original state, and removes the sequential short circuit time.Then terminate this method, and restart
This method.
Effect of the invention is to be measured then when short circuit by ammeter, and the backlight module or light emitting diode of ammeter can flash
To remind user.
The above, only presently preferred embodiments of the present invention, when cannot limit the scope of implementation of the present invention, i.e. Fan Yibenfa
Equivalent changes and modifications made by bright claim etc. should still belong to the model that patent covering scope of the invention is intended to protection
Farmland.The present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, be familiar with this field
Technical staff makes various corresponding changes and modifications in accordance with the present invention, but these corresponding changes and modifications all should belong to
The protection scope of the appended claims of the present invention.
Claims (13)
1. a kind of watt-hour meter device with optical flare function is to be applied to a non-essential resistance, which is characterized in that this has optical flare
The watt-hour meter device of function includes:
One end of one anode probe, the anode probe is connected to one end of the non-essential resistance；
One end of one negative terminal probe, the negative terminal probe is connected to the other end of the non-essential resistance, another termination of the negative terminal probe
Ground；
One resistance measuring circuit, the resistance measuring circuit are connected to the other end of the anode probe；
One voltage supply unit, the voltage supply unit are connected to the resistance measuring circuit；
One micro-control unit, the micro-control unit are connected to the resistance measuring circuit；And
One optical flare prompt unit, the optical flare prompt unit are connected to the micro-control unit,
Wherein the resistance measuring circuit measures the non-essential resistance by the anode probe and the negative terminal probe to obtain the external electrical
One resistance value of resistance；The resistance measuring circuit notifies the resistance value of the micro-control unit non-essential resistance；One time of measuring is fixed
Justice measures the non-essential resistance and the electricity of the non-essential resistance by the anode probe and the negative terminal probe for the resistance measuring circuit
Resistance value is less than or equal to a duration of a default value；The micro-control unit calculates and judges the time of measuring；
Wherein if the time of measuring is less than a preset time and the optical flare prompt unit is not work, in the preset time
Interior, the micro-control unit controls optical flare prompt unit shines；If the time of measuring is less than the preset time and the color break-up
Bright prompt unit be it is luminous, then in the preset time, which closes the optical flare prompt unit；If the measurement
Time is not less than the preset time, then the micro-control unit controls optical flare prompt unit glisteningly shines.
2. as described in claim 1 with the watt-hour meter device of optical flare function, which is characterized in that also include:
One display, the display are connected to the micro-control unit,
Wherein the optical flare prompt unit is a backlight module.
3. as described in claim 1 with the watt-hour meter device of optical flare function, which is characterized in that wherein optical flare prompt is single
Member is a light emitting diode.
4. as claimed in claim 3 with the watt-hour meter device of optical flare function, which is characterized in that the wherein resistance measuring circuit
Include:
One first divider resistance, one end of first divider resistance are connected to the voltage supply unit；
One posive temperature coefficient thermistor unit, one end of the posive temperature coefficient thermistor unit are connected to the first partial pressure electricity
The other end of resistance, the other end of the posive temperature coefficient thermistor unit are connected to the other end of the anode probe；
One measurement end resistance, one end of the measurement end resistance are connected to the other end and the positive temperature coefficient temperature-sensitive of the anode probe
The other end of resistance unit；
One comparator；And
One reference voltage source,
Wherein the comparator includes:
One first input end, the first input end of the comparator are connected to the other end of the measurement end resistance；
Second input terminal of one second input terminal, the comparator is connected to the reference voltage source；And
The output end of one output end, the comparator is connected to the micro-control unit,
Wherein if the resistance value of the non-essential resistance is less than or equal to the default value, which notifies the micro-control unit
The resistance value of the non-essential resistance is less than or equal to the default value.
5. a kind of watt-hour meter device with optical flare function is to be applied to a non-essential resistance, which is characterized in that this has optical flare
The watt-hour meter device of function includes:
One end of one anode probe, the anode probe is connected to one end of the non-essential resistance；
One end of one negative terminal probe, the negative terminal probe is connected to the other end of the non-essential resistance, another termination of the negative terminal probe
Ground；
One resistance measuring circuit, the resistance measuring circuit are connected to the other end of the anode probe；
One voltage supply unit, the voltage supply unit are connected to the resistance measuring circuit；
One micro-control unit, the micro-control unit are connected to the resistance measuring circuit；
One optical flare prompt unit, the optical flare prompt unit are connected to the micro-control unit；And
One auditory tone cues unit, the auditory tone cues unit are connected to the micro-control unit,
Wherein the resistance measuring circuit measures the non-essential resistance by the anode probe and the negative terminal probe to obtain the external electrical
One resistance value of resistance；The resistance measuring circuit notifies the resistance value of the micro-control unit non-essential resistance；One time of measuring is fixed
Justice measures the non-essential resistance and the electricity of the non-essential resistance by the anode probe and the negative terminal probe for the resistance measuring circuit
Resistance value is less than or equal to a duration of a default value；The micro-control unit calculates and judges the time of measuring；
Wherein if the time of measuring is less than a preset time and the optical flare prompt unit is not work, in the preset time
Interior, the micro-control unit controls optical flare prompt unit shines, and micro-control unit controls auditory tone cues unit simultaneously
It makes a sound；If the time of measuring be less than the preset time and the optical flare prompt unit be it is luminous, in the preset time
Interior, which closes the optical flare prompt unit, and the micro-control unit controls auditory tone cues unit issues simultaneously
Sound；If the time of measuring is not less than the preset time, the micro-control unit controls optical flare prompt units is glisteningly
It shines, and the micro-control unit controls auditory tone cues unit makes a sound simultaneously.
6. as claimed in claim 5 with the watt-hour meter device of optical flare function, which is characterized in that also include:
One display, the display are connected to the micro-control unit,
Wherein the optical flare prompt unit is a backlight module.
7. as claimed in claim 5 with the watt-hour meter device of optical flare function, which is characterized in that wherein optical flare prompt is single
Member is a light emitting diode.
8. as claimed in claim 7 with the watt-hour meter device of optical flare function, which is characterized in that the wherein auditory tone cues unit
For a buzzer.
9. as claimed in claim 8 with the watt-hour meter device of optical flare function, which is characterized in that the wherein resistance measuring circuit
Include:
One first divider resistance, one end of first divider resistance are connected to the voltage supply unit；
One posive temperature coefficient thermistor unit, one end of the posive temperature coefficient thermistor unit are connected to the first partial pressure electricity
The other end of resistance, the other end of the posive temperature coefficient thermistor unit are connected to the other end of the anode probe；
One measurement end resistance, one end of the measurement end resistance are connected to the other end and the positive temperature coefficient temperature-sensitive of the anode probe
The other end of resistance unit；
One comparator；And
One reference voltage source,
Wherein the comparator includes:
One first input end, the first input end of the comparator are connected to the other end of the measurement end resistance；
Second input terminal of one second input terminal, the comparator is connected to the reference voltage source；And
The output end of one output end, the comparator is connected to the micro-control unit,
Wherein if the resistance value of the non-essential resistance is less than or equal to the default value, which notifies the micro-control unit
The resistance value of the non-essential resistance is less than or equal to the default value.
10. a kind of watt-hour meter device with optical flare function is to be applied to a non-essential resistance, which is characterized in that this has color break-up
The watt-hour meter device of bright function includes:
One end of one anode probe, the anode probe is connected to one end of the non-essential resistance；
One end of one negative terminal probe, the negative terminal probe is connected to the other end of the non-essential resistance, another termination of the negative terminal probe
Ground；
One resistance measuring circuit, the resistance measuring circuit are connected to the other end of the anode probe；
One voltage supply unit, the voltage supply unit are connected to the resistance measuring circuit；
One micro-control unit, the micro-control unit are connected to the resistance measuring circuit；
One backlight module, the backlight module are connected to the micro-control unit；And
One auditory tone cues unit, the auditory tone cues unit are connected to the micro-control unit,
Wherein the resistance measuring circuit measures the non-essential resistance by the anode probe and the negative terminal probe to obtain the external electrical
One resistance value of resistance；The resistance measuring circuit notifies the resistance value of the micro-control unit non-essential resistance；One time of measuring is fixed
Justice measures the non-essential resistance and the electricity of the non-essential resistance by the anode probe and the negative terminal probe for the resistance measuring circuit
Resistance value is less than or equal to a duration of a default value；The micro-control unit calculates and judges the time of measuring；
Wherein if the time of measuring is less than a preset time and the backlight module is not work, in the preset time, this is micro-
Control unit controls the backlight module and shines, and the micro-control unit controls auditory tone cues unit makes a sound simultaneously；If
The time of measuring be less than the preset time and the backlight module be it is luminous, then in the preset time, micro-control unit closing
The backlight module, and the micro-control unit controls auditory tone cues unit makes a sound simultaneously；If the time of measuring is not less than
The preset time, then the micro-control unit controls backlight module glisteningly shines, and micro-control unit controls sound simultaneously
Sound prompt unit makes a sound.
11. as claimed in claim 10 with the watt-hour meter device of optical flare function, which is characterized in that also include:
One display, the display are connected to the micro-control unit.
12. as claimed in claim 11 with the watt-hour meter device of optical flare function, which is characterized in that the wherein auditory tone cues list
Member is a buzzer.
13. as claimed in claim 12 with the watt-hour meter device of optical flare function, which is characterized in that wherein resistance measurement electricity
Road includes:
One first divider resistance, one end of first divider resistance are connected to the voltage supply unit；
One posive temperature coefficient thermistor unit, one end of the posive temperature coefficient thermistor unit are connected to the first partial pressure electricity
The other end of resistance, the other end of the posive temperature coefficient thermistor unit are connected to the other end of the anode probe；
One measurement end resistance, one end of the measurement end resistance are connected to the other end and the positive temperature coefficient temperature-sensitive of the anode probe
The other end of resistance unit；
One comparator；And
One reference voltage source,
Wherein the comparator includes:
One first input end, the first input end of the comparator are connected to the other end of the measurement end resistance；
Second input terminal of one second input terminal, the comparator is connected to the reference voltage source；And
The output end of one output end, the comparator is connected to the micro-control unit,
Wherein if the resistance value of the non-essential resistance is less than or equal to the default value, which notifies the micro-control unit
The resistance value of the non-essential resistance is less than or equal to the default value.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106126384 | 2017-08-04 | ||
| TW106126384A TWI640777B (en) | 2017-08-04 | 2017-08-04 | Electric meter apparatus with light-blinking function |
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| CN109387696A true CN109387696A (en) | 2019-02-26 |
| CN109387696B CN109387696B (en) | 2021-10-08 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109387696B (en) | 2021-10-08 |
| TW201910779A (en) | 2019-03-16 |
| TWI640777B (en) | 2018-11-11 |
| DE102018115529A1 (en) | 2019-02-07 |
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