CN109100607A - socket tester - Google Patents
socket tester Download PDFInfo
- Publication number
- CN109100607A CN109100607A CN201810929825.XA CN201810929825A CN109100607A CN 109100607 A CN109100607 A CN 109100607A CN 201810929825 A CN201810929825 A CN 201810929825A CN 109100607 A CN109100607 A CN 109100607A
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- 230000005611 electricity Effects 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 30
- 238000005259 measurement Methods 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000003760 hair shine Effects 0.000 description 2
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 1
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 1
- 102100021133 Nuclear protein 1 Human genes 0.000 description 1
- 101100202858 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SEG2 gene Proteins 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
-
- 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
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention discloses a kind of socket tester, the socket tester include shell, set on the pin of back side of shell, set on circuit board shell positive display screen and be set in the housing, the circuit board is equipped with measuring circuit；The pin is used to be inserted into the jack of power outlet to be measured；The measuring circuit is connect with the pin, for taking electricity to provide supply voltage, and the voltage for measuring power outlet to be measured for the socket tester from the power outlet to be measured connecting with the pin；The display screen is connect with the measuring circuit, for showing voltage measured by the measuring circuit.The present invention can be improved the convenience that socket tester uses.
Description
Technical field
The present invention relates to technical field of electrical measurement more particularly to a kind of socket testers.
Background technique
Existing socket tester usually requires internal battery, and battery is needed replacing after broken battery, otherwise can not be after
It is continuous to use, test operation is influenced, it is inconvenient to use, and it is more troublesome to replace battery.In addition, existing socket tester is general only
Can indicate whether the wiring of power outlet to be measured is correct by indicator light, measurement function is relatively simple, and survey crew does not have
Method understands the size of measurement voltage.
Summary of the invention
The main purpose of the present invention is to provide a kind of socket testers, it is intended to improve the convenience that socket tester uses
Property.
In order to achieve the above object, the present invention proposes that a kind of socket tester, the socket tester include shell, are set to
The pin of back side of shell, set on circuit board shell positive display screen and be set in the housing, the circuit board is equipped with measurement
Circuit；The pin is used to be inserted into the jack of power outlet to be measured；The measuring circuit is connect with the pin, for oneself and institute
The power outlet to be measured for stating pin connection takes electricity to provide supply voltage for the socket tester, and for measuring power supply to be measured
The voltage of socket；The display screen is connect with the measuring circuit, for showing voltage measured by the measuring circuit.
Preferably, the measuring circuit includes automatic identification Firewire circuitry and tension measuring circuit；
The input terminal of the automatic identification Firewire circuitry is connect with the pin, the output of the automatic identification Firewire circuitry
End is connect with the tension measuring circuit, the firewire that the automatic identification Firewire circuitry is connected for pin described in automatic identification
Position, and supply voltage is exported from the live wire power getting to the tension measuring circuit；
The input terminal of the tension measuring circuit is connect with the pin, the output end of the tension measuring circuit and display
Screen connection, the tension measuring circuit are used for the voltage of the input measurement power outlet to be measured according to pin, and control described aobvious
Display screen shows the voltage measured.
Preferably, the tension measuring circuit is also used to the electric current frequency according to the input measurement power outlet to be measured of pin
Rate, and control the display screen and the power frequency measured is shown.
Preferably, the pin includes live prong, zero line pin and earth pin, the automatic identification Firewire circuitry packet
Include firewire input terminal, zero curve input terminal, ground wire input terminal, diode D5, diode D6, diode D7, diode D8, diode
D9, diode D10, resistance R23, resistance R24, triode Q5, zener diode Z5, resistance R30, capacitor C1, capacitor C2, pressure stabilizing
Diode Z9 and supply voltage output end；
Firewire input terminal, zero curve input terminal and the ground wire input terminal of the automatic identification Firewire circuitry respectively with the firewire
Pin, zero line pin are connected with earth pin, and the anode of the diode D5 and the cathode of diode D6 are defeated with the firewire
Enter end connection, the cathode of the plus earth of the diode D6, the diode D5 is connect with triode Q5 collector；Described two
The anode of pole pipe D7 and the cathode of diode D8 are connect with the zero curve input terminal, the plus earth of the diode D8, institute
The cathode for stating diode D7 is connect with triode Q5 collector；The diode D9 anode and diode D10 cathode with
The ground wire input terminal connection, the plus earth of the diode D10, the cathode and triode Q5 collector of the diode D9
Connection；One end after the resistance R23 and resistance R24 series connection is connect with the triode Q5 collector, the resistance R23 and electricity
The other end after resistance R24 series connection is connect with the base stage of the triode Q5；The cathode of the zener diode Z5 and three pole
The base stage of pipe Q5 connects, and the anode of the zener diode Z5 is connect with the supply voltage output end；The one of the resistance R30
End is connect with the emitter of the triode Q5, the anode and electricity of the other end of the resistance R30 and the zener diode Z5
Hold the anode connection of C1, the cathode ground connection of the capacitor C1；The anode of one end of the capacitor C2 and the zener diode Z5
Connection, the other end ground connection of the capacitor C2；The plus earth of the zener diode Z9, the cathode of the zener diode Z9
It is connect with the anode of the zener diode Z5.
Preferably, the tension measuring circuit includes firewire input terminal, ground wire input terminal, resistance R25, resistance R26, resistance
R17, resistance R18, resistance R27, resistance R28 and single-chip microcontroller；
The firewire input terminal and ground wire input terminal of the tension measuring circuit respectively with the live prong and earth pin
Connection；One end after the resistance R25 and resistance R26 is connected in series is connect with the firewire input terminal, the resistance R25 and resistance
The other end after R26 is connected in series is connect with one end of the first input end of the single-chip microcontroller and resistance R17, the resistance R17's
The other end is grounded and connect with one end of resistance R18；The resistance R27 and resistance R28 be connected in series after one end and the ground wire
Input terminal connection, the resistance R27 and resistance R28 be connected in series after the other end and the single-chip microcontroller the second input terminal and resistance
The other end of R18 connects；
The single-chip microcontroller voltage input end is connect with the supply voltage output end of the automatic identification Firewire circuitry.
Preferably, the measuring circuit further includes wiring test circuit, and the wiring test circuit is connect with the pin,
For being indicated by wiring condition of the indicator light to power outlet to be measured.
Preferably, the front of the shell, which is equipped with, lights the corresponding wiring condition sign of situation with indicator light.
Preferably, the wiring test circuit includes diode D1, resistance R1, resistance R2, triode Q1, zener diode
Z1, resistance R3, light emitting diode lamp LED1, diode D2, zener diode Z2, resistance R4, triode Q2, resistance R5,
Resistance R6, light emitting diode lamp LED2, diode D3, light emitting diode lamp LED3, resistance R7, resistance R8, three poles
Pipe Q3, zener diode Z3 and resistance R9；
The anode of the diode D1 and the cathode of diode D2 are connect with the live prong, the diode D1's
Cathode is connect with the collector of the triode Q1；The resistance R1 and resistance R2 be connected in series after one end and the diode D1
Cathode connection, the other end after the resistance R1 and resistance R2 are connected in series connect with the base stage of the triode Q1；It is described steady
The cathode of pressure diode Z1 is connect with the base stage of the triode Q1, anode and the light-emitting diodes of the zener diode Z1
The anode connection of pipe indicator light LED1, the cathode of the light emitting diode lamp LED1 are connect with the zero curve input terminal；
The anode of the diode D2 is connect with the anode of the zener diode Z2, the cathode of the zener diode Z2
It is connect with the base stage of the triode Q2；The anode and zener diode Z2 of one end of the resistance R4 and the diode D2
Anode connection, the other end of the resistance R4 are connect with the emitter of the triode Q2；The resistance R5 goes here and there with resistance R6 phase
One end after connection is connect with the base stage of the triode Q2, the resistance R5 and resistance R6 be connected in series after the other end and described three
The cathode connection of the collector and light emitting diode lamp LED2 of pole pipe Q2, the anode of the light emitting diode lamp LED2
It is connect with the earth pin；
The anode of the diode D3 is connect with the earth pin, the cathode and the light-emitting diodes of the diode D3
The collector of the anode connection of pipe indicator light LED3, the cathode of the light emitting diode lamp LED3 and the triode Q3 connect
It connects；One end after the resistance R7 and resistance R8 is connected in series is connect with the base stage of the triode Q3, the resistance R7 and resistance
The other end after R8 is connected in series is connect with the cathode of the collector of the triode Q3 and light emitting diode lamp LED3；It is described
The cathode of zener diode Z3 is connect with the base stage of the triode Q3, the anode of the zener diode Z3 and described luminous two
The cathode and zero line pin of pole pipe indicator light LED1 connects, and connect by resistance R9 with the emitter of the triode Q3.
Preferably, the measuring circuit further includes RCD measuring circuit, the RCD measuring circuit and the live prong and
Earth pin connection, the RCD measuring circuit includes pressing beginning and RCD measurement light emitting diode lamp, on the shell
Equipped with the key for pressing the pressing beginning.
Preferably, the RCD measuring circuit further includes diode D4, resistance R10, resistance R11, triode Q4, pressure stabilizing two
Pole pipe Z4, resistance R12, resistance 13, resistance 14, resistance 15 and resistance R16；
The pressing beginning is connected between the live prong and the anode of the diode D4, the diode D4's
Cathode is connect with the collector of the triode Q4, the resistance R10 and resistance R11 be connected in series after one end and the diode
The connection of the collector of the cathode of D4 and triode Q4, the resistance R10 and resistance R11 be connected in series after the other end and three pole
The base stage of pipe Q4 and the cathode connection of zener diode Z4, anode and the RCD of the zener diode Z4 measure light emitting diode
The anode connection of indicator light, and connect by resistance R12 with the emitter of the triode Q4, RCD measurement light emitting diode refers to
Show that lamp cathode is connect with the earth pin；The resistance 13, resistance 14, resistance 15 and resistance R16 be connected in series after one end with
The diode D4 anode connection, the resistance 13, resistance 14, resistance 15 and resistance R16 be connected in series after the other end and ground
The connection of line pin.
A kind of socket tester proposed by the present invention, the power outlet to be measured being connect certainly with the pin by measuring circuit
It takes electricity to provide supply voltage, and the voltage for measuring power outlet to be measured for the socket tester, does not need in socket
Battery is separately provided in tester, it is extremely convenient to use, the voltage measured is shown by using display screen, it can
The size of measurement voltage is intuitively shown, and can easily show be measurement voltage be voltage between fiery zero curve,
The voltage between voltage or Zero-liue between fiery ground wire can understand the size of measured voltage when pole, so that measuring intuitive
And conveniently.
Detailed description of the invention
Fig. 1 is a preferred embodiment structural schematic diagram of socket tester of the present invention.
Fig. 2 is the structural schematic diagram that socket tester shown in Fig. 1 is regarded by another angle.
Fig. 3 is the schematic block circuit diagram of socket tester of the present invention.
Fig. 4 is the circuit diagram of one embodiment of automatic identification Firewire circuitry of socket tester of the present invention.
Fig. 5 is the circuit diagram of one embodiment of tension measuring circuit of socket tester of the present invention.
Fig. 6 is the circuit diagram of wiring the test circuit and one embodiment of RCD measuring circuit of socket tester of the present invention.
Fig. 7 is the schematic diagram for the embodiment that the wiring condition of socket tester of the present invention illustrates mark.
In order to keep technical solution of the present invention clearer, clear, it is described in further detail below in conjunction with attached drawing.
Specific embodiment
Referring to Figure 1 to Figure 7, present pre-ferred embodiments propose a kind of socket tester, socket tester include shell 1,
Set on the pin at 1 back side of shell, on the positive display screen 2 of shell 1 and the circuit board in shell 1, the circuit board
Equipped with measuring circuit 3；The pin is used to be inserted into the jack of power outlet to be measured；The measuring circuit 3 is connect with the pin,
Power outlet to be measured for connecting certainly with the pin takes electricity to provide supply voltage for the socket tester, and for surveying
Measure the voltage of power outlet to be measured；The display screen 2 is connect with the measuring circuit 3, for showing that the measuring circuit 3 is surveyed
The voltage measured.Display screen 2 can use LCD display.
In the present embodiment, the measuring circuit 3 includes automatic identification Firewire circuitry 31 and tension measuring circuit 32；
The input terminal of the automatic identification Firewire circuitry 31 is connect with the pin, the automatic identification Firewire circuitry 31
Output end is connect with the tension measuring circuit 32, and the automatic identification Firewire circuitry 31 is for company of pin institute described in automatic identification
The firewire position connect, and supply voltage is exported from the live wire power getting to the tension measuring circuit 32；
The input terminal of the tension measuring circuit 32 is connect with the pin, the output end of the tension measuring circuit 32 with
Display screen 2 connects, and the tension measuring circuit 32 is used for the voltage of the input measurement power outlet to be measured according to pin, and controls
The display screen 2 shows the voltage measured.
The tension measuring circuit 32 is also used to the power frequency of the input measurement power outlet to be measured according to pin, and controls
The display screen 2 is made to show the power frequency measured.
The pin includes live prong L, zero line pin N and earth pin E.Referring to fig. 4, the automatic identification firewire electricity
Road 31 include firewire input terminal LIN, zero curve input terminal NIN, ground wire input terminal EIN, diode D5, diode D6, diode D7,
Diode D8, diode D9, diode D10, resistance R23, resistance R24, triode Q5, zener diode Z5, resistance R30, electricity
Hold C1, capacitor C2, zener diode Z9 and supply voltage output end VDD.
Firewire input terminal LIN, zero curve input terminal NIN, ground wire input terminal EIN collectively constitute the automatic identification Firewire circuitry
31 input terminal.Triode Q5 is NPN type triode, and capacitor C1 is electrolytic capacitor, and capacitor C2 is non-polar condenser.Power supply
Voltage output end VDD is the output end of automatic identification Firewire circuitry 31.
Firewire input terminal LIN, zero curve input terminal NIN and the ground wire input terminal EIN of the automatic identification Firewire circuitry 31 points
It is not connect with the live prong L, zero line pin N and earth pin E, the anode of the diode D5 and the cathode of diode D6
It is connect with the firewire input terminal LIN, the plus earth of the diode D6, the cathode and triode Q5 of the diode D5
Collector connection；The anode of the diode D7 and the cathode of diode D8 are connect with the zero curve input terminal NIN, and described two
The cathode of the plus earth of pole pipe D8, the diode D7 is connect with triode Q5 collector；The diode D9 anode and
The cathode of diode D10 is connect with the ground wire input terminal EIN, the plus earth of the diode D10, the diode D9
Cathode connect with triode Q5 collector；One end and the triode Q5 current collection after the resistance R23 and resistance R24 series connection
The other end after pole connection, the resistance R23 and resistance R24 series connection is connect with the base stage of the triode Q5；The pressure stabilizing two
The cathode of pole pipe Z5 is connect with the base stage of the triode Q5, and anode and the supply voltage of the zener diode Z5 exports
Hold VDD connection；One end of the resistance R30 is connect with the emitter of the triode Q5, the other end of the resistance R30 and institute
State the anode connection of the anode and capacitor C1 of zener diode Z5, the cathode ground connection of the capacitor C1；One end of the capacitor C2
It is connect with the anode of the zener diode Z5, the other end ground connection of the capacitor C2；The anode of the zener diode Z9 connects
Ground, the cathode of the zener diode Z9 are connect with the anode of the zener diode Z5.
Referring to Fig. 5, the tension measuring circuit 32 includes firewire input terminal LIN, ground wire input terminal EIN, resistance R25, electricity
Hinder R26, resistance R17, resistance R18, resistance R27, resistance R28 and single-chip microcontroller U1.
The firewire input terminal LIN of the tension measuring circuit 32 and firewire input terminal LIN of automatic identification Firewire circuitry 31
It can be identical access point, therefore be indicated using identical label.The ground wire input terminal EIN of the tension measuring circuit 32
Ground wire input terminal EIN with automatic identification Firewire circuitry 31 can be identical access point, therefore be marked using identical label
Show.
The firewire input terminal LIN and ground wire input terminal EIN of the tension measuring circuit 32 respectively with the live prong L and
Earth pin E connection；One end after the resistance R25 and resistance R26 is connected in series is connect with the firewire input terminal LIN, described
The other end after resistance R25 and resistance R26 is connected in series connects with the first input end of the single-chip microcontroller U1 and one end of resistance R17
It connects, the other end of the resistance R17 is grounded and connect with one end of resistance R18；After the resistance R27 and resistance R28 is connected in series
One end connect with the ground wire input terminal EIN, the resistance R27 and resistance R28 be connected in series after the other end and the monolithic
The other end connection of the second input terminal and resistance R18 of machine U1；
The supply voltage output end VDD of the single-chip microcontroller U1 voltage input end and the automatic identification Firewire circuitry 31 connects
It connects.In the present embodiment, the model SFM77P34-402 of single-chip microcontroller U1.In other embodiments, can also select can be real
The single-chip microcontroller of other models of existing voltage measurement.
Display screen 2 is equipped with LED backlight lamp BL, and the cathode of LED backlight lamp BL is grounded, light emitting diode
The anode of backlight BL is connect by resistance R20 with the pin Vdd of supply voltage output end VDD and single-chip microcontroller U1.
The pin Vdd of single-chip microcontroller U1 is connect with one end of capacitor C5, the other end of capacitor C5 ground connection, and simultaneously with a capacitor
One end of C4 connects；The pin VLCD of single-chip microcontroller U1 is connect with the other end of capacitor C4.
The pin VDDA of single-chip microcontroller U1 is connect with one end of a capacitor C6, the other end ground connection of capacitor C6；Single-chip microcontroller U1's
Pin ACM is connect with one end of a capacitor C7, the other end ground connection of capacitor C7, and is connect simultaneously with the other end of capacitor C6.
The pin RST/VPP of single-chip microcontroller U1 is connect with one end of a resistance R19, the other end and supply voltage of resistance R19
Output end VDD connection；The pin RST/VPP of single-chip microcontroller U1 is also connect with one end of a capacitor C3, the other end ground connection of capacitor C3；
The pin GND and AGND of single-chip microcontroller U1 is grounded.Pin COM0, COM1 of LCD display 2 and single-chip microcontroller U1, COM2, COM3,
SEG2, SEG3, SEG4, SEG5, SEG6, SEG7, SEG8, SEG9 connection.
The measuring circuit 3 further includes wiring test circuit 33, and the wiring test circuit 33 connect with the pin, uses
It tests in by wiring condition of the pin to power outlet to be measured, and is referred to by indicator light butted line test result
Show.
Referring to Fig. 6, the wiring test circuit 33 includes diode D1, resistance R1, resistance R2, triode Q1, pressure stabilizing two
Pole pipe Z1, resistance R3, light emitting diode lamp LED1, diode D2, zener diode Z2, resistance R4, triode Q2, resistance
R5, resistance R6, light emitting diode lamp LED2, diode D3, light emitting diode lamp LED3, resistance R7, resistance R8, three
Pole pipe Q3, zener diode Z3 and resistance R9.Triode Q1, triode Q2 and triode Q3 are NPN type triode.
The anode of the diode D1 and the cathode of diode D2 are connect with the live prong L, and diode D1 is just
It is provided with fuse F1 between the tie point of the cathode of pole and diode D2 and the live prong L to be protected, two pole
The cathode of pipe D1 is connect with the collector of the triode Q1；The resistance R1 and resistance R2 be connected in series after one end and described two
The other end after the cathode connection of pole pipe D1, the resistance R1 and resistance R2 are connected in series is connect with the base stage of the triode Q1；
The cathode of the zener diode Z1 is connect with the base stage of the triode Q1, anode and the hair of the zener diode Z1
The anode connection of optical diode indicator light LED1, the cathode of the light emitting diode lamp LED1 and the zero curve input terminal
NIN connection；
The anode of the diode D2 is connect with the anode of the zener diode Z2, the cathode of the zener diode Z2
It is connect with the base stage of the triode Q2；The anode and zener diode Z2 of one end of the resistance R4 and the diode D2
Anode connection, the other end of the resistance R4 are connect with the emitter of the triode Q2；The resistance R5 goes here and there with resistance R6 phase
One end after connection is connect with the base stage of the triode Q2, the resistance R5 and resistance R6 be connected in series after the other end and described three
The cathode connection of the collector and light emitting diode lamp LED2 of pole pipe Q2, the anode of the light emitting diode lamp LED2
It is connect with the earth pin E；
The anode of the diode D3 is connect with the earth pin E, the cathode of the diode D3 and described luminous two
The anode connection of pole pipe indicator light LED3, the collector of the cathode of the light emitting diode lamp LED3 and the triode Q3
Connection；One end after the resistance R7 and resistance R8 is connected in series is connect with the base stage of the triode Q3, the resistance R7 and electricity
The other end after resistance R8 is connected in series is connect with the cathode of the collector of the triode Q3 and light emitting diode lamp LED3；Institute
The cathode for stating zener diode Z3 is connect with the base stage of the triode Q3, and the anode of the zener diode Z3 shines with described
The cathode of diode indicator light LED1 and zero line pin N connection, and connect by resistance R9 with the emitter of the triode Q3.
Referring to Fig. 7, the front of the shell 1 is equipped with wiring condition explanation corresponding with the test result that indicator light indicates
Mark 6.As shown in fig. 7, wiring condition illustrates that mark 6 includes correctly, lacks zero curve, misfire line, fiery ground wire dislocation, fiery zero curve mistake
It is position, mutually wrong and lack ground and scarce ground wire wiring condition corresponding to totally seven kinds of situations illustrates to identify, wherein black circles indicate pair
The indicator light answered is bright, and hollow circle indicates that corresponding indicator light does not work.The wiring condition illustrates that mark 6 can be direct print
The printing layer on shell 1 is brushed, the label being attached on shell 1 is also possible to.
In the present embodiment, the measuring circuit 3 further includes RCD (Residual Current Devices, earth leakage protective
Device) measuring circuit 34, the RCD measuring circuit 34 connect with the live prong L and earth pin E, the RCD measurement electricity
Road 34 includes that pressing beginning SW1 and RCD measures light emitting diode lamp LED4, and the shell 1 is equipped with described for pressing
The key 5 of pressing beginning SW1.It may be to the earth leakage protective device example being connected with power outlet to be measured by RCD measuring circuit 34
As leakage switch or earth leakage circuit breaker carry out earth leakage protective test.
Referring to Fig. 6, the RCD measuring circuit 34 further includes diode D4, resistance R10, resistance R11, triode Q4, pressure stabilizing
Diode Z4, resistance R12, resistance 13, resistance 14, resistance 15 and resistance R16.Triode Q4 is NPN type triode.
The pressing beginning SW1 is connected between the live prong L and the anode of the diode D4, the diode
The cathode of D4 is connect with the collector of the triode Q4, the resistance R10 and resistance R11 be connected in series after one end and described two
The connection of the collector of the cathode of pole pipe D4 and triode Q4, the resistance R10 and resistance R11 be connected in series after the other end with it is described
The base stage of triode Q4 and the cathode connection of zener diode Z4, anode and the RCD measurement luminous two of the zener diode Z4
The anode connection of pole pipe indicator light LED4, and connect by resistance R12 with the emitter of the triode Q4, RCD measurement shines
Diode indicator light LED4 cathode is connect with the earth pin E；The resistance 13, resistance 14, resistance 15 are gone here and there with resistance R16 phase
One end after connection is connect with the anode of the diode D4, after the resistance 13, resistance 14, resistance 15 and resistance R16 are connected in series
The other end connect with earth pin E.
The socket tester of the embodiment of the present invention, the power outlet to be measured being connect certainly with the pin by measuring circuit 3
It takes electricity to provide supply voltage, and the voltage for measuring power outlet to be measured for the socket tester, does not need in socket
Battery is separately provided in tester, it is extremely convenient to use, the voltage measured is shown by using display screen 2, energy
Enough sizes to measurement voltage are intuitively shown, and can easily show be measurement voltage to be electricity between fiery zero curve
The voltage between voltage or Zero-liue between pressure, fiery ground wire can understand the size of measured voltage when pole, so that measurement side
Just and intuitively.
The socket tester of the embodiment of the present invention can not only test circuit 33 by wiring come to power outlet to be measured
Wiring condition is tested, and is indicated by indicator light butted line test result；Tension measuring circuit 32 can also be passed through
Carry out the voltage of the input measurement power outlet to be measured according to pin, and controls the display screen 2 and the voltage measured is shown
Show and RCD measuring circuit 34 carries out RCD test, test function diversification.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure made by description of the invention and accompanying drawing content or process transformation, are applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of socket tester, which is characterized in that the socket tester include shell, set on back side of shell pin, set
In circuit board shell positive display screen and be set in the housing, the circuit board is equipped with measuring circuit；The pin is used for
It is inserted into the jack of power outlet to be measured；The measuring circuit is connect with the pin, for be measured from connecting with the pin
Power outlet takes electricity to provide supply voltage, and the voltage for measuring power outlet to be measured for the socket tester；It is described
Display screen is connect with the measuring circuit, for showing voltage measured by the measuring circuit.
2. socket tester as described in claim 1, which is characterized in that the measuring circuit includes automatic identification Firewire circuitry
And tension measuring circuit；
The input terminal of the automatic identification Firewire circuitry is connect with the pin, the output end of the automatic identification Firewire circuitry with
The tension measuring circuit connection, the firewire position that the automatic identification Firewire circuitry is connected for pin described in automatic identification
It sets, and exports supply voltage from the live wire power getting to the tension measuring circuit；
The input terminal of the tension measuring circuit is connect with the pin, and the output end and display screen of the tension measuring circuit connect
It connects, the tension measuring circuit is used for the voltage of the input measurement power outlet to be measured according to pin, and controls the display screen
The voltage measured is shown.
3. socket tester as described in claim 1, which is characterized in that the tension measuring circuit is also used to according to pin
The power frequency of input measurement power outlet to be measured, and control the display screen and the power frequency measured is shown.
4. socket tester as claimed in claim 2, which is characterized in that the pin include live prong, zero line pin and
Earth pin, the automatic identification Firewire circuitry include firewire input terminal, zero curve input terminal, ground wire input terminal, diode D5, two
Pole pipe D6, diode D7, diode D8, diode D9, diode D10, resistance R23, resistance R24, triode Q5, two pole of pressure stabilizing
Pipe Z5, resistance R30, capacitor C1, capacitor C2, zener diode Z9 and supply voltage output end；
Firewire input terminal, zero curve input terminal and the ground wire input terminal of the automatic identification Firewire circuitry are inserted with the firewire respectively
Foot, zero line pin are connected with earth pin, and the anode of the diode D5 and the cathode of diode D6 are inputted with the firewire
End connection, the cathode of the plus earth of the diode D6, the diode D5 are connect with triode Q5 collector；Two pole
The anode of pipe D7 and the cathode of diode D8 are connect with the zero curve input terminal, and the plus earth of the diode D8 is described
The cathode of diode D7 is connect with triode Q5 collector；The cathode of the anode of the diode D9 and diode D10 are and institute
The connection of ground wire input terminal, the plus earth of the diode D10 are stated, the cathode and triode Q5 collector of the diode D9 connects
It connects；One end after the resistance R23 and resistance R24 series connection is connect with the triode Q5 collector, the resistance R23 and resistance
The other end after R24 series connection is connect with the base stage of the triode Q5；The cathode and the triode of the zener diode Z5
The base stage of Q5 connects, and the anode of the zener diode Z5 is connect with the supply voltage output end；One end of the resistance R30
It is connect with the emitter of the triode Q5, the anode and capacitor of the other end of the resistance R30 and the zener diode Z5
The anode connection of C1, the cathode ground connection of the capacitor C1；The anode of one end of the capacitor C2 and the zener diode Z5 are even
It connects, the other end ground connection of the capacitor C2；The plus earth of the zener diode Z9, the cathode of the zener diode Z9 with
The anode connection of the zener diode Z5.
5. socket tester as claimed in claim 4, which is characterized in that the tension measuring circuit include firewire input terminal,
Ground wire input terminal, resistance R25, resistance R26, resistance R17, resistance R18, resistance R27, resistance R28 and single-chip microcontroller；
The firewire input terminal and ground wire input terminal of the tension measuring circuit are connect with the live prong and earth pin respectively；
One end after the resistance R25 and resistance R26 is connected in series is connect with the firewire input terminal, the resistance R25 and resistance R26 phase
The other end after series connection is connect with one end of the first input end of the single-chip microcontroller and resistance R17, the other end of the resistance R17
It is grounded and is connect with one end of resistance R18；The resistance R27 and resistance R28 be connected in series after one end and the ground wire input terminal
Connection, the resistance R27 and resistance R28 be connected in series after the other end and the single-chip microcontroller the second input terminal and resistance R18
Other end connection；
The single-chip microcontroller voltage input end is connect with the supply voltage output end of the automatic identification Firewire circuitry.
6. socket tester as claimed in claim 2, which is characterized in that the measuring circuit further includes wiring test circuit,
The wiring test circuit is connect with the pin, for being tested by wiring condition of the pin to power outlet to be measured,
And it is indicated by indicator light butted line test result.
7. socket tester as claimed in claim 6, which is characterized in that the front of the shell is equipped with and indicates with indicator light
The corresponding wiring condition of test result illustrates to identify.
8. socket tester as claimed in claim 6, which is characterized in that the wiring test circuit includes diode D1, electricity
Hinder R1, resistance R2, triode Q1, zener diode Z1, resistance R3, light emitting diode lamp LED1, diode D2, pressure stabilizing two
Pole pipe Z2, resistance R4, triode Q2, resistance R5, resistance R6, light emitting diode lamp LED2, diode D3, light emitting diode
Indicator light LED3, resistance R7, resistance R8, triode Q3, zener diode Z3 and resistance R9；
The anode of the diode D1 and the cathode of diode D2 are connect with the live prong, the cathode of the diode D1
It is connect with the collector of the triode Q1；The resistance R1 and resistance R2 be connected in series after one end and the diode D1 it is negative
The other end after pole connection, the resistance R1 and resistance R2 are connected in series is connect with the base stage of the triode Q1；The pressure stabilizing two
The cathode of pole pipe Z1 is connect with the base stage of the triode Q1, and the anode of the zener diode Z1 refers to the light emitting diode
Show the anode connection of lamp LED1, the cathode of the light emitting diode lamp LED1 is connect with the zero curve input terminal；
The anode of the diode D2 is connect with the anode of the zener diode Z2, the cathode of the zener diode Z2 and institute
State the base stage connection of triode Q2；One end of the resistance R4 and the anode of the diode D2 and the anode of zener diode Z2
Connection, the other end of the resistance R4 are connect with the emitter of the triode Q2；After the resistance R5 and resistance R6 is connected in series
One end connect with the base stage of the triode Q2, the resistance R5 and resistance R6 be connected in series after the other end and the triode
The cathode connection of the collector and light emitting diode lamp LED2 of Q2, the anode of the light emitting diode lamp LED2 and institute
State earth pin connection；
The anode of the diode D3 is connect with the earth pin, and cathode and the light emitting diode of the diode D3 refers to
Show the anode connection of lamp LED3, the cathode of the light emitting diode lamp LED3 is connect with the collector of the triode Q3；
One end after the resistance R7 and resistance R8 is connected in series is connect with the base stage of the triode Q3, the resistance R7 and resistance R8 phase
The other end after series connection is connect with the cathode of the collector of the triode Q3 and light emitting diode lamp LED3；The pressure stabilizing
The cathode of diode Z3 is connect with the base stage of the triode Q3, anode and the light emitting diode of the zener diode Z3
The cathode and zero line pin of indicator light LED1 connects, and connect by resistance R9 with the emitter of the triode Q3.
9. socket tester as claimed in claim 2, which is characterized in that the measuring circuit further includes RCD measuring circuit, institute
It states RCD measuring circuit to connect with the live prong and earth pin, the RCD measuring circuit includes that pressing beginning and RCD are surveyed
Light emitting diode lamp is measured, the shell is equipped with the key for pressing the pressing beginning.
10. socket tester as claimed in claim 9, which is characterized in that the RCD measuring circuit further include diode D4,
Resistance R10, resistance R11, triode Q4, zener diode Z4, resistance R12, resistance 13, resistance 14, resistance 15 and resistance R16；
The pressing beginning is connected between the live prong and the anode of the diode D4, the cathode of the diode D4
Connect with the collector of the triode Q4, the resistance R10 and resistance R11 be connected in series after one end and the diode D4
The connection of the collector of cathode and triode Q4, the resistance R10 and resistance R11 be connected in series after the other end and the triode Q4
Base stage and zener diode Z4 cathode connection, the zener diode Z4 anode with RCD measurement light emitting diode instruction
The anode connection of lamp, and connect by resistance R12 with the emitter of the triode Q4, RCD measures light emitting diode lamp
Cathode is connect with the earth pin；The resistance 13, resistance 14, resistance 15 and resistance R16 be connected in series after one end with it is described
The anode connection of diode D4, the resistance 13, resistance 14, resistance 15 and resistance R16 be connected in series after the other end and ground wire it is slotting
Foot connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929825.XA CN109100607B (en) | 2018-08-15 | 2018-08-15 | Socket tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929825.XA CN109100607B (en) | 2018-08-15 | 2018-08-15 | Socket tester |
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| Publication Number | Publication Date |
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| CN109100607A true CN109100607A (en) | 2018-12-28 |
| CN109100607B CN109100607B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810929825.XA Active CN109100607B (en) | 2018-08-15 | 2018-08-15 | Socket tester |
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| Country | Link |
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| CN (1) | CN109100607B (en) |
Cited By (3)
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| CN110398662A (en) * | 2019-09-02 | 2019-11-01 | 苏州迈尔斯电子有限公司 | A kind of multi-function jack tester |
| CN110703154A (en) * | 2019-09-20 | 2020-01-17 | 东莞市华博精测仪表科技有限公司 | Socket test circuit and broadcast control method for socket test |
| WO2021258731A1 (en) * | 2020-06-24 | 2021-12-30 | 优利德科技(中国)股份有限公司 | Ground wire and neutral line abnormity detection method and device, |
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|---|---|
| CN109100607B (en) | 2024-06-04 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20181224 Address after: 523660 3rd Floor, Building 7A, Liangtouwei, Liheng Village, Qingxi Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN HUABO PRECISION MEASURING INSTRUMENT TECHNOLOGY Co.,Ltd. Address before: 518000 Kukeng Community Kukeng Pilao Village 151 312, Guanlan Street, Longhua District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN HUABOTEST TECHNOLOGY Co.,Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Yang Jianying Inventor before: Yang Xiaofeng |
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