CN107255963B - Multipurpose electric flow table and control method - Google Patents
Multipurpose electric flow table and control method Download PDFInfo
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- CN107255963B CN107255963B CN201710454154.1A CN201710454154A CN107255963B CN 107255963 B CN107255963 B CN 107255963B CN 201710454154 A CN201710454154 A CN 201710454154A CN 107255963 B CN107255963 B CN 107255963B
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- 238000000034 method Methods 0.000 title claims description 16
- 230000008878 coupling Effects 0.000 claims abstract description 28
- 238000010168 coupling process Methods 0.000 claims abstract description 28
- 238000005859 coupling reaction Methods 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 7
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Abstract
The invention discloses a kind of Multipurpose electric flow tables, including ammeter gauge outfit, ammeter, wireless charger, ammeter gauge outfit includes mainboard, the second coupling coil and motor, and mainboard includes single-chip microcontroller, power circuit, driving circuit, radio communication circuit, the first current sensor, the second current sensor, third current sensor, temperature sensor, first switch circuit, storage unit, regulator rectifier circuit, voltage detection circuit, second switch circuit and electromagnetic lock.The present invention has the characteristics that can be by remotely controlling the folding of ammeter gauge outfit, capable of working as line under-voltage alarm, energy wireless charging and being capable of measuring low-voltage circuit surface temperature.
Description
Technical field
The present invention relates to technical field of current detection, can be opened by remotely controlling ammeter gauge outfit more particularly, to one kind
It closes, line under-voltage alarm, energy wireless charging and the Multipurpose electric flow table and control that are capable of measuring low-voltage circuit surface temperature can be worked as
Method.
Background technique
Currently, existing clamp on amperemeter is mostly hand-held pincerlike meter, can also compare to general low-voltage circuit measurement electric current
It is convenient to use, but for setting up low-voltage circuit, the use of common clamp on amperemeter is by significant limitations, it is necessary to which operation of ascending a height is leaned on
Near line road measures, time-consuming, laborious, exists simultaneously very big security risk.In addition, due to part electric leakage low-voltage circuit surface
Aging is serious, causes low-voltage circuit electrical leakage quantity big, and then causes low-voltage circuit surface temperature excessively high, at this time again with common pincerlike electricity
Flow table carries out direct contact measurement, is easy to damage the inner body of ammeter or ammeter gauge outfit, influences measurement knot
Fruit is made troubles.
For above-mentioned some problems, Chinese patent notification number is that CN205670167U was disclosed on November 2nd, 2016
A kind of clamp on amperemeter, including caliper, insulating bar, connecting plate, drawstring, device and movable clamping device are fixed to clamp, fix to clamp device
Be fixedly connected respectively with two feet of caliper with movable clamping device, fix to clamp device and be fixed on connecting plate, movable clamping device with
Drawstring connection, the insulating bar are also secured on connecting plate.The advantages of utility model, is: existing pincerlike electric current is utilized
Table installs insulating bar additional above it and clamp on amperemeter is raised to enough height, so that operating employment does not have to again climbing ladder to low
Then crimping road is opened and closed by the caliper that drawstring controls clamp on amperemeter, realizes current measurement, the present apparatus can effectively drop
Low production cost makes full use of existing clamp on amperemeter to be reequiped, and when measurement is time saving and energy saving to also ensure operator's
Personal safety.But it the disadvantages are as follows: the utility model is opened and closed by the caliper that drawstring controls clamp on amperemeter, needs artificially to control
System, once operator overexerts perhaps, firmly deficiency will result in the damage of clamp on amperemeter or can not make pincerlike electricity
The caliper opening of flow table measures.
Summary of the invention
The present invention is to overcome in the prior art, and for setting up low-voltage circuit, the use of common clamp on amperemeter is by very
Big limitation, it is necessary to which operation of ascending a height is measured close to route, time-consuming, laborious, simultaneously because part electric leakage low-voltage circuit surface
Aging is serious, causes low-voltage circuit electrical leakage quantity big, and then causes low-voltage circuit surface temperature excessively high, at this time again with common pincerlike electricity
Flow table carries out direct contact measurement, is easy the problem of damaging to ammeter or ammeter gauge outfit inner body, provides
One kind can be by remotely controlling the folding of ammeter gauge outfit, capable of working as line under-voltage alarm, energy wireless charging and being capable of measuring low pressure
The Multipurpose electric flow table and control method of circuit surface temperature.
To achieve the above object, the invention adopts the following technical scheme:
A kind of Multipurpose electric flow table, including ammeter gauge outfit, ammeter, wireless charger, ammeter gauge outfit include mainboard,
Second coupling coil and motor, mainboard include single-chip microcontroller, power circuit, driving circuit, radio communication circuit, the first current sense
Device, the second current sensor, third current sensor, temperature sensor, first switch circuit, storage unit, rectifying and voltage-stabilizing electricity
Road, voltage detection circuit, second switch circuit and electromagnetic lock；Power circuit, driving circuit, radio communication circuit, storage
Unit, the first current sensor, the second current sensor, third current sensor, first switch circuit, second switch circuit,
With monolithic mechatronics, ammeter is electrically connected temperature sensor with radio communication circuit, driving circuit and regulator rectifier circuit
It is electrically connected with power circuit, motor is electrically connected with driving circuit, and the second coupling coil is electrically connected with regulator rectifier circuit, power supply
Respectively with power circuit and monolithic mechatronics, electromagnetic lock is electrically connected voltage detecting circuit with second switch circuit.
In the present invention, the running of driving circuit is controlled by single-chip microcontroller, and then control the folding of ammeter gauge outfit, thus complete
At the work whether leaked electricity with ammeter measurement low-voltage circuit.Radio communication circuit realizes communication connection, to obtain long-range control
The command information issued in system processed, and send described instruction information to single-chip microcontroller.First current sensor, the second electric current pass
Sensor and third current sensor respectively have different measurement accuracy.Coupling coil realizes wireless charging as vibrotron
Electricity.Electromagnetic lock is used in measurement data, reinforces the locking state of ammeter gauge outfit.Temperature sensor is for detecting low-voltage circuit
Surface temperature.The present invention can by remotely control ammeter gauge outfit folding, can when line under-voltage alarm, energy wireless charging and
The characteristics of being capable of measuring low-voltage circuit surface temperature.
Preferably, wireless charger includes the first coupling coil, electric power management circuit and power input interface, the first coupling
Zygonema circle, electric power management circuit and power input interface are sequentially connected electrically.Use coupling coil as vibrotron, the first coupling
Coil is attached to transmission electric power side, and the second coupling coil is receiving electric power side.After sender sends out the electromagnetic wave of certain specific frequency,
It is diffused into reciever by electromagnetic field, electric power is achieved that wireless conduction.
Preferably, the invention also includes red light emitting diodes, green LED, yellow light-emitting diode and indigo plant
Color light emitting diode, green LED are electrically connected with the first current sensor, and yellow light-emitting diode and the second electric current pass
Sensor electrical connection, blue LED are electrically connected with third current sensor, red light emitting diodes and first switch circuit
Electrical connection.Green LED, yellow light-emitting diode and blue LED are used to indicate the work of current sensor
Situation, red light emitting diodes lamp is bright, illustrates that this section of low-voltage circuit breaks down, electric leakage is serious.
Preferably, the invention also includes smart phone control system, smart phone control system and radio communication circuit
Electrical connection.The command information that operator completes required for can issuing in smart phone control system carries out long-range control behaviour
Make.
A kind of control method of Multipurpose electric flow table, includes the following steps:
The control of (5-1) low-voltage circuit surface temperature measurement
(5-1-1) before carrying out electric leakage measurement to low-voltage circuit, ammeter gauge outfit is equipped with temperature sensing by operator
The contact surface of device is contacted with the low-voltage circuit surface of required measurement, and temperature sensor is started to work, and the number that will test
It is believed that breath is transferred to single-chip microcontroller, it is equipped with the numberical range of low-voltage circuit surface safety temperature in single-chip microcontroller, is obtained when single-chip microcontroller
When in the numberical range of low-voltage circuit surface safety temperature of the temperature value beyond setting, the conducting of first switch circuit, red hair
Optical diode lamp is bright, illustrates that this section of low-voltage circuit breaks down, electric leakage is serious；
(5-1-2) is located at the numberical range of the low-voltage circuit surface safety temperature of setting when the temperature value that single-chip microcontroller obtains
When interior, first switch circuit keeps off state, and red light emitting diodes do not work, and operator carries out the specific electric leakage of next step
The measurement of data.
(5-2) leaks electrometric control
When (5-2-1) needs to carry out low-voltage circuit electric leakage measurement, ammeter table heading pincer is entered required measurement by operator
Low-voltage circuit, the first current sensor, the second current sensor and third current sensor enable simultaneously, corresponding green hair
Optical diode, yellow light-emitting diode and blue LED lamp are bright, and single-chip microcontroller, which issues low level, leads second switch circuit
Logical, electromagnetic lock is in locking state, and ammeter can not be removed from tested low-voltage circuit, at this time the first current sensor, the second electricity
Flow sensor and third current sensor detect 1 data every time T1 within the period that former and later two length are L；
Wherein, former and later two periods are respectively period A and period B, and L=n × T1, then single-chip microcontroller obtains the first current sense
Each n detected value of device, the second current sensor and third current sensor in period A and period B；
(5-2-2) calculates the similarity for the detected value that each current sensor obtains in period A and period B；
(5-2-3) single-chip microcontroller judges the similarity size for the detected value that each current sensor obtains, and similarity is most connect
Each n detected value of nearly 1 current sensor in period A and period B, is saved in storage unit, in case subsequent tune
With.
Preferably, the control method of Multipurpose electric flow table, step (5-2-2) further includes following steps:
Each detected value of set period of time A is xi, each detected value of period B is yi, i=1,2 ..., n；Utilize public affairs
FormulaThe similarity for the detected value that two periods each current sensor obtains is calculated,
In,For the average value of all detected values of current sensor single in period A,It is single current sensor institute in period B
There is the average value of detected value.
Preferably, further include warning circuit, warning circuit includes buzzer and LED light, buzzer and LED light with list
Piece mechatronics；It is characterized in that further including following steps:
The under-voltage detection of (7-1) supply voltage
(7-1-1) during measuring low-voltage circuit electric leakage, voltage detection circuit is for detecting ammeter gauge outfit
The voltage condition at internal electric source both ends, and the data information transfer that will test at regular intervals is to single-chip microcontroller, in single-chip microcontroller
Load voltage value equipped with power supply, when single-chip microcontroller judges specified electricity of the supply voltage numerical value got lower than the power supply of setting
When pressure value, single-chip microcontroller controls warning circuit alarm, reminds operator, and power supply needs to charge；
(7-1-2) judges load voltage value of the supply voltage numerical value got not less than the power supply of setting when single-chip microcontroller
When, illustrate that power supply works normally, it is without exception.
Preferably, the control method of Multipurpose electric flow table, further includes following steps:
The wireless charging of (8-1) electric current apparent source
The power input interface of wireless charger is electrically connected by (8-1-1) with charge power supply；
Interior first coupling coil portions and the second coupling coil in ammeter gauge outfit that (8-1-2) keeps wireless charger
In resonance state；
After (8-1-3) charging complete, the power input interface of wireless charger and being electrically connected for charge power supply are cut off.
Therefore, the invention has the following beneficial effects: (1) can carry out wireless charging；It (2) can be by remotely controlling electric current
The folding of table gauge outfit carries out electric leakage investigation；(3) it will call the police when line under-voltage, operator's power supply prompted to need to charge；(4)
DATA REASONING efficiency can be improved；(5) it is capable of measuring low-voltage circuit surface temperature, avoids ammeter gauge outfit for a long time and high temperature contact,
Inner body is damaged.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of the invention；
Fig. 2 is a kind of functional block diagram of the wireless charger in the present invention；
Fig. 3 is a kind of flow chart of the invention.
In figure: ammeter gauge outfit 1, ammeter 2, single-chip microcontroller 3, power circuit 4, driving circuit 5, radio communication circuit 6,
One current sensor 7, wireless charger 8, the second coupling coil 9, storage unit 10, motor 11, regulator rectifier circuit 12, first
Coupling coil 13, electric power management circuit 14, power input interface 15, red light emitting diodes 16, voltage detection circuit 17,
Smart phone control system 18, warning circuit 19, second switch circuit 20, electromagnetic lock 21, the second current sensor 22, third electricity
Flow sensor 23, temperature sensor 24, first switch circuit 25, green LED 26, yellow light-emitting diode 27, blue
Light emitting diode 28.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing:
A kind of Multipurpose electric flow table as shown in Figure 1, including ammeter gauge outfit 1, ammeter 2, wireless charger 8, electric current
Table gauge outfit includes mainboard, the second coupling coil 9 and motor 11, and mainboard includes single-chip microcontroller 3, power circuit 4, driving circuit 5, wireless
Telecommunication circuit 6, the first current sensor 7, the second current sensor 22, third current sensor 23, temperature sensor 24, first
Switching circuit 25, storage unit 10, regulator rectifier circuit 12, voltage detection circuit 17, second switch circuit 20 and electromagnetism
Lock 21；Power circuit, driving circuit, radio communication circuit, storage unit, the first current sensor, the second current sensor,
Three current sensors, first switch circuit, second switch circuit, temperature sensor with monolithic mechatronics, ammeter and nothing
The electrical connection of line telecommunication circuit, driving circuit and regulator rectifier circuit are electrically connected with power circuit, and motor is electrically connected with driving circuit
It connects, the second coupling coil is electrically connected with regulator rectifier circuit, and voltage detection circuit is electromechanical with power circuit and monolithic respectively
Connection, electromagnetic lock are electrically connected with second switch circuit.The invention also includes warning circuit 19, warning circuit include buzzer and
LED light, buzzer and LED light with monolithic mechatronics.
Multipurpose electric flow table further includes red light emitting diodes 16, green LED 26, yellow light-emitting diode 27
With blue LED 28, green LED is electrically connected with the first current sensor, yellow light-emitting diode and second
Current sensor electrical connection, blue LED are electrically connected with third current sensor, and red light emitting diodes are opened with first
Powered-down road electrical connection.Green LED, yellow light-emitting diode and blue LED are used to indicate current sensor
Working condition, red light emitting diodes lamp is bright, illustrates that this section of low-voltage circuit breaks down, electric leakage is serious.
In addition, the invention also includes smart phone control system 18, smart phone control system and radio communication circuit electricity
Connection.The command information that operator completes required for can issuing in smart phone control system, carries out remote control operation.
Meanwhile the single-chip microcontroller wireless transceiver in circuit by wireless communication, it will test the control that data are sent to smart phone in real time
System is shown, is analyzed for operator.
Electromagnetic lock also has anti-theft function, and after having used Multipurpose electric flow table, ammeter table heading pincer is placed on rack
On, make electromagnetic lock in locking state using the control system of smart phone, remove Multipurpose electric flow table can not from rack；
When needing to reuse, makes electromagnetic lock in unlocking condition also with the control system of smart phone, conveniently remove use.
In addition, Multipurpose electric flow table surface is additionally provided with layer of transparent shield, waterproof action can be played.
As shown in Fig. 2, wireless charger includes the first coupling coil 13, electric power management circuit 14 and power input interface
15, the first coupling coil, electric power management circuit and power input interface are sequentially connected electrically.Use coupling coil as electromagentic resonance
Device, the first coupling coil are attached to transmission electric power side, and the second coupling coil is receiving electric power side.When sender sends out certain specific frequency
Electromagnetic wave after, be diffused into reciever by electromagnetic field, electric power is achieved that wireless conduction, to realize wireless charging.
As shown in figure 3, a kind of control method of Multipurpose electric flow table, includes the following steps:
Step 100, the control of low-voltage circuit surface temperature measurement
Step 110, before carrying out electric leakage measurement to low-voltage circuit, ammeter gauge outfit is equipped with temperature sensing by operator
The contact surface of device is contacted with the low-voltage circuit surface of required measurement, and temperature sensor is started to work, and the number that will test
It is believed that breath is transferred to single-chip microcontroller, it is equipped with the numberical range of low-voltage circuit surface safety temperature in single-chip microcontroller, is obtained when single-chip microcontroller
When in the numberical range of low-voltage circuit surface safety temperature of the temperature value beyond setting, the conducting of first switch circuit, red hair
Optical diode lamp is bright, illustrates that this section of low-voltage circuit breaks down, electric leakage is serious；
Step 120, when the temperature value that single-chip microcontroller obtains is located at the numerical value model of the low-voltage circuit surface safety temperature of setting
When enclosing interior, first switch circuit keeps off state, and red light emitting diodes do not work, and operator carries out the specific leakage of next step
The measurement of electric data.
Step 200, electrometric control is leaked
Step 210, when needing to carry out low-voltage circuit electric leakage measurement, ammeter table heading pincer is entered required measurement by operator
Low-voltage circuit, the first current sensor, the second current sensor and third current sensor enable simultaneously, corresponding green hair
Optical diode, yellow light-emitting diode and blue LED lamp are bright, and single-chip microcontroller, which issues low level, leads second switch circuit
Logical, electromagnetic lock is in locking state, and ammeter can not be removed from tested low-voltage circuit, at this time the first current sensor, the second electricity
Flow sensor and the third current sensor length front and back three are to examine in L=1 minutes periods every the time 0.5 second
Survey 1 data；Wherein, former and later two periods are respectively period A and period B, then single-chip microcontroller obtains the first current sense
Each 120 detected values of device, the second current sensor and third current sensor in period A and period B；
Step 220, the similarity for the detected value that each current sensor obtains in period A and period B is calculated: setting
Each detected value of period A is xi, each detected value of period B is yi, i=1,2 ..., 120；
Utilize formulaCalculate the detection that two periods each current sensor obtains
The similarity of value, whereinFor the average value of all detected values of current sensor single in period A,It is single in period B
The average value of all detected values of one current sensor；
Step 230, single-chip microcontroller judges the similarity size for the detected value that each current sensor obtains, and similarity is most connect
Each 120 detected value of nearly 1 current sensor in period A and period B, is saved in storage unit, in case subsequent
It calls.When DATA REASONING finishes, each current sensor stops working, when the light emitting diode of corresponding color extinguishes, single-chip microcontroller
Issuing high level ends second switch circuit, and electromagnetic lock is in unlocking condition, and ammeter can be removed from tested low-voltage circuit.
Step 300, the under-voltage detection of supply voltage
Step 310, during measuring low-voltage circuit electric leakage, voltage detection circuit is for detecting ammeter gauge outfit
The voltage condition at internal electric source both ends, and the data information transfer that will test at regular intervals is to single-chip microcontroller, in single-chip microcontroller
Load voltage value equipped with power supply, when single-chip microcontroller judges specified electricity of the supply voltage numerical value got lower than the power supply of setting
When pressure value, single-chip microcontroller controls warning circuit alarm, reminds operator, and power supply needs to charge；
Step 320, when single-chip microcontroller judges voltage rating of the supply voltage numerical value got not less than the power supply of setting
When value, illustrate that power supply works normally, it is without exception.
Step 400, the wireless charging of electric current apparent source
Step 410, the power input interface of wireless charger is electrically connected with charge power supply；
Step 420, interior first coupling coil portions and the second coupling line in ammeter gauge outfit for keeping wireless charger
Circle is in resonance state；
Step 430, after charging complete, the power input interface of wireless charger and being electrically connected for charge power supply are cut off.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (7)
1. a kind of control method of Multipurpose electric flow table, including ammeter gauge outfit (1), ammeter (2), wireless charger (8), electricity
Flow table gauge outfit includes mainboard, the second coupling coil (9) and motor (11), and mainboard includes single-chip microcontroller (3), power circuit (4), driving
Circuit (5), radio communication circuit (6), the first current sensor (7), the second current sensor (22), third current sensor
(23), temperature sensor (24), first switch circuit (25), storage unit (10), regulator rectifier circuit (12), supply voltage inspection
Slowdown monitoring circuit (17), second switch circuit (20) and electromagnetic lock (21)；Power circuit, driving circuit, radio communication circuit, storage are single
Member, the first current sensor, the second current sensor, third current sensor, first switch circuit, second switch circuit, temperature
Sensor is spent with monolithic mechatronics, and ammeter is electrically connected with radio communication circuit, and driving circuit and regulator rectifier circuit are equal
It is electrically connected with power circuit, motor is electrically connected with driving circuit, and the second coupling coil is electrically connected with regulator rectifier circuit, power supply electricity
Press detection circuit respectively with power circuit and monolithic mechatronics, electromagnetic lock is electrically connected with second switch circuit, characterized in that wrap
Include following steps:
The control of (1-1) low-voltage circuit surface temperature measurement
(1-1-1) before carrying out electric leakage measurement to low-voltage circuit, operator is by ammeter gauge outfit equipped with temperature sensor
Contact surface is contacted with the low-voltage circuit surface of required measurement, and temperature sensor is started to work, and the data letter that will test
Breath is transferred to single-chip microcontroller, the numberical range of low-voltage circuit surface safety temperature is equipped in single-chip microcontroller, when the temperature that single-chip microcontroller obtains
When in the numberical range of low-voltage circuit surface safety temperature of the numerical value beyond setting, the conducting of first switch circuit, emitting red light two
Pole pipe lamp is bright, illustrates that this section of low-voltage circuit breaks down, electric leakage is serious；
(1-1-2) is located in the numberical range of the low-voltage circuit surface safety temperature set when the temperature value that single-chip microcontroller obtains
When, first switch circuit keeps off state, and red light emitting diodes do not work, and operator carries out the specific electric leakage number of next step
According to measurement；
(1-2) leaks electrometric control
When (1-2-1) needs to carry out low-voltage circuit electric leakage measurement, operator measures low needed for entering ammeter table heading pincer
Volt circuit, the first current sensor, the second current sensor and third current sensor enable simultaneously, corresponding green emitting two
Pole pipe, yellow light-emitting diode and blue LED lamp are bright, and single-chip microcontroller, which issues low level, is connected second switch circuit, electricity
Magnetic padlock is in locking state, and ammeter can not be removed from tested low-voltage circuit, at this time the first current sensor, the second current sense
Device and third current sensor detect n times data every time T1 within the period that former and later two length are L；Wherein,
Former and later two periods are respectively period A and period B, and L=n × T1, then single-chip microcontroller obtains the first current sensor, second
Each n detected value of current sensor and third current sensor in period A and period B；
(1-2-2) calculates the similarity for the detected value that each current sensor obtains in period A and period B；
(1-2-3) single-chip microcontroller judges the similarity size for the detected value that each current sensor obtains, by similarity closest to 1
Each n detected value of the current sensor in period A and period B, is saved in storage unit, in case subsequent calls.
2. the control method of Multipurpose electric flow table according to claim 1, characterized in that wireless charger includes the first coupling
Zygonema circle (13), electric power management circuit (14) and power input interface (15), the first coupling coil, electric power management circuit and power supply
Input interface is sequentially connected electrically.
3. the control method of Multipurpose electric flow table according to claim 1, characterized in that further include red light emitting diodes
(16), green LED (26), yellow light-emitting diode (27) and blue LED (28), green LED
Be electrically connected with the first current sensor, yellow light-emitting diode is electrically connected with the second current sensor, blue LED with
The electrical connection of third current sensor, red light emitting diodes are electrically connected with first switch circuit.
4. the control method of Multipurpose electric flow table according to claim 1 or 2 or 3, characterized in that further include smart phone
Control system (18), smart phone control system are electrically connected with radio communication circuit.
5. the control method of Multipurpose electric flow table according to claim 1, characterized in that step (5-2-2) further include as
Lower step:
Each detected value of set period of time A is xi, each detected value of period B is yi, i=1,2 ..., n；
Utilize formulaCalculate the detected value that two periods each current sensor obtains
Similarity, whereinFor the average value of all detected values of current sensor single in period A,It is single electric current in period B
The average value of all detected values of sensor.
6. the control method of Multipurpose electric flow table according to claim 1 further includes warning circuit (19), warning circuit packet
Include buzzer and LED light, buzzer and LED light with monolithic mechatronics；It is characterized in that further including following steps:
The under-voltage detection of (6-1) supply voltage
(6-1-1) during measuring low-voltage circuit electric leakage, voltage detection circuit is for detecting inside ammeter gauge outfit
The voltage condition of both ends of power, and the data information transfer that will test at regular intervals is equipped with to single-chip microcontroller in single-chip microcontroller
The load voltage value of power supply, when single-chip microcontroller judges load voltage value of the supply voltage numerical value got lower than the power supply of setting
When, single-chip microcontroller controls warning circuit alarm, reminds operator, and power supply needs to charge；
(6-1-2) when single-chip microcontroller judge the supply voltage numerical value got not less than setting power supply load voltage value when,
Illustrate that power supply works normally, it is without exception.
7. the control method of Multipurpose electric flow table according to claim 1, characterized in that further include following steps:
The wireless charging of (7-1) electric current apparent source
The power input interface of wireless charger is electrically connected by (7-1-1) with charge power supply；
(7-1-2) keeps interior first coupling coil portions of wireless charger and the second coupling coil in ammeter gauge outfit in altogether
Vibration state；
After (7-1-3) charging complete, the power input interface of wireless charger and being electrically connected for charge power supply are cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454154.1A CN107255963B (en) | 2017-06-15 | 2017-06-15 | Multipurpose electric flow table and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454154.1A CN107255963B (en) | 2017-06-15 | 2017-06-15 | Multipurpose electric flow table and control method |
Publications (2)
| Publication Number | Publication Date |
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| CN107255963A CN107255963A (en) | 2017-10-17 |
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| CN108107923A (en) * | 2017-11-24 | 2018-06-01 | 浙江海洋大学 | Big flow fuel filling device waterborne and control method |
| CN110244168B (en) * | 2019-07-16 | 2021-05-25 | 青岛海信商用显示股份有限公司 | Electric control lock fault detection system and detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743941A (en) * | 2014-02-13 | 2014-04-23 | 赵威 | Wireless communication clamp alternating current ammeter without power supply |
| CN204855683U (en) * | 2015-08-12 | 2015-12-09 | 兰州海红技术股份有限公司 | Accurate intelligent electric power instrument of double - circuit high voltage DC |
| CN205017002U (en) * | 2015-04-15 | 2016-02-03 | 国家电网公司 | Current transformer protection device with long -range SMS alarming function |
| CN106056879A (en) * | 2016-06-30 | 2016-10-26 | 国网山东省电力公司无棣县供电公司 | Electric meter remote control system based on intelligent identification |
| CN205720336U (en) * | 2016-04-01 | 2016-11-23 | 溧阳市华鹏电力仪表有限公司 | A kind of modernization intelligent electric meter device |
-
2017
- 2017-06-15 CN CN201710454154.1A patent/CN107255963B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743941A (en) * | 2014-02-13 | 2014-04-23 | 赵威 | Wireless communication clamp alternating current ammeter without power supply |
| CN205017002U (en) * | 2015-04-15 | 2016-02-03 | 国家电网公司 | Current transformer protection device with long -range SMS alarming function |
| CN204855683U (en) * | 2015-08-12 | 2015-12-09 | 兰州海红技术股份有限公司 | Accurate intelligent electric power instrument of double - circuit high voltage DC |
| CN205720336U (en) * | 2016-04-01 | 2016-11-23 | 溧阳市华鹏电力仪表有限公司 | A kind of modernization intelligent electric meter device |
| CN106056879A (en) * | 2016-06-30 | 2016-10-26 | 国网山东省电力公司无棣县供电公司 | Electric meter remote control system based on intelligent identification |
Non-Patent Citations (2)
| Title |
|---|
| 基于DSP的多功能电能表的设计与实现;夏骥;《电能与能效管理技术》;20080728;全文 |
| 电表检定装置的多用途功能完善;张鹏;《山东工业技术》;20160525;全文 |
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