CN206235715U - For the handheld test device of low-voltage circuit breaker monitoring - Google Patents
For the handheld test device of low-voltage circuit breaker monitoring Download PDFInfo
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- CN206235715U CN206235715U CN201621182201.9U CN201621182201U CN206235715U CN 206235715 U CN206235715 U CN 206235715U CN 201621182201 U CN201621182201 U CN 201621182201U CN 206235715 U CN206235715 U CN 206235715U
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Abstract
A kind of handheld test device for low-voltage circuit breaker monitoring, is connected with the electronic controller of breaker, including power circuit, microcontroller circuit, keyboard circuit and liquid crystal display circuit；Also include booster circuit, the output end of power circuit is connected with the input of the input of booster circuit and microcontroller circuit, it is that booster circuit and microcontroller circuit provide working power, the output end of booster circuit is connected with the electronic controller of breaker, for the electronic controller of breaker provides operating voltage；Microcontroller circuit is connected with keyboard circuit and liquid crystal display circuit.The utility model is used for the handheld test device of low-voltage circuit breaker monitoring, and inside sets booster circuit, can be powered to breaker, it is possible to carry out the trip operation of breaker；Comprehensive monitoring can be carried out to the overall performance of low-voltage circuit breaker, the Monitoring Performance of handheld test device is improved.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of handheld test dress for low-voltage circuit breaker monitoring
Put.
Background technology
With China's expanding economy, Power Market Construction deepens continuously, and user is increasing to the demand of electric power, right
The requirement of power supply quality and power supply reliability also more and more higher.In low-voltage distribution system, low-voltage circuit breaker is using the widest
One of general protection device.As intelligent moulded case circuit breaker is using increasingly popularizing, user's site setup and debugging are electric for convenience
Special field adjustable hand held module is generally used in minor breaker, industry.To realize showing for novel plastic shell circuit breaker controller
Field sets and debugs, it is necessary to configure this handheld test module.Existing handheld device, it is common that self-contained electric system, it is impossible to give
Breaker is powered；Existing handheld device, generally using charactron and monochromatic type matrix liquid crystal display, the data volume and figure of display
It is limited；Existing handheld device, universal intelligence is communicated using a kind of communication level；Existing handheld device, generally only adopts
Communicated with wired mode.
The content of the invention
The purpose of this utility model is the defect for overcoming prior art, there is provided a kind of simple structure, perfect in shape and function, compatible
Property the good handheld test device for low-voltage circuit breaker monitoring.
To achieve the above object, the utility model employs following technical scheme：
A kind of handheld test device for low-voltage circuit breaker monitoring, is connected with the electronic controller of breaker, including electricity
Source circuit 1, microcontroller circuit 2, keyboard circuit 7 and liquid crystal display circuit 6；Also include being supplied for the electronic controller of breaker
The booster circuit 3 of electricity, the output end of power circuit 1 is connected with the input of booster circuit 3 and microcontroller circuit 2, is boosting
Circuit 3 and microcontroller circuit 2 provide working power, and microcontroller circuit 2 is connected with keyboard circuit 7 and liquid crystal display circuit 6.
Further, also including communication level change-over circuit 4 and wireless communication module circuit 5, the communication level conversion electricity
Road 4 and wireless communication module circuit 5 are connected with micro-processor interface circuit 2.
Further, also including battery 8 and charging circuit 9, the output end of charging circuit 9 is connected with the input of battery 8, fills
Circuit 9 charges for battery 8, and the output end of battery 8 is connected with the input of power circuit 1.
Further, the booster circuit 3 includes boost chip U6, electric capacity C21, electric capacity C24, polar capacitor C25 and two poles
Pipe D2, second pin of boost chip U6 is connected to the output end of power circuit 1, first pin and boosting core of boost chip U6
The 4th pin ground connection of piece U6, the two ends of electric capacity C21 be connected to boost chip U6 the first pin and boost chip U6 second
Pin, the anode of diode D2 is connected to the 5th pin of boost chip U6, and the negative electrode of diode D2 is connected to+12V power supplys company
Connect, one end of electric capacity C24 is connected with+12V power supplys, other end ground connection；The positive pole of polar capacitor C25 is connected with+12V power supplys, separately
One end is grounded.
Further, the microcontroller circuit 2 includes microprocessor chip U1, crystal oscillator Y1, resistance R14, resistance R15, electricity
Resistance R17 and electric capacity C2；6th pin of microprocessor chip U1 is connected with the output end of power circuit 1, the microprocessor core
Tenth three-prong of piece U1 is connected to first pin of crystal oscillator Y1, the 12nd pin of microprocessor chip U1 by resistance R15
First pin of crystal oscillator Y1 is connected to by resistance R14, first pin of crystal oscillator Y1 is grounded by electric capacity C1, the second of crystal oscillator Y1
Pin is grounded, and electric capacity C2 is connected in parallel between the three-prong of crystal oscillator Y1 and the 4th pin of crystal oscillator Y1, and the 4th of crystal oscillator Y1 the
Pin is grounded；94th pin of crystal oscillator Y1 is grounded by resistance R17, and the 14th pin of crystal oscillator Y1 connects by electric capacity C3
Ground；Electric capacity C5 and electric capacity C4 be connected in parallel microprocessor chip U1 the 20th pin and microprocessor chip U1 the 20th
Between one pin, the 20th pin of microprocessor chip U1 ground connection, the 21st pin of microprocessor chip U1 is connected to+
3.3V power supplys；Electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11 and electric capacity C12 are connected in parallel successively, are connected in parallel rear electric capacity C12
One end be connected to VDD_1 ends, the VDD_2 ends of microprocessor chip U1, the microprocessor chip of microprocessor chip U1 simultaneously
The VDD_5 ends at the VDD_3 ends of U1, the VDD_4 ends of microprocessor chip U1 and microprocessor chip U1, a termination of electric capacity C8
Ground, the other end is connected with+3.3V power supplys；Electric capacity C13 and electric capacity C14 are connected in parallel, and one end of electric capacity C14 is connected to micro- after parallel connection
The VDDA ends of processor chips U1, one end ground connection of electric capacity C13, the other end is connected with+3.3V power supplys；Microprocessor chip U1's
VBAT ends are connected to+3.3V power supplys；The PB2/BOOT1 ends ground connection of microprocessor chip U1；The PC6 ends of microprocessor chip U1,
The PC7 ends of microprocessor chip U1, the PC9 ends at the PC8 ends of microprocessor chip U1 and microprocessor chip U1 and keyboard circuit 7
Connection；The VSS_1 ends of microprocessor chip U1, the VSS_2 ends of microprocessor chip U1, the VSS_3 ends of microprocessor chip U1,
The VSS_4 ends of microprocessor chip U1 and the VSS_5 ends ground connection of microprocessor chip U1；The VSSA terminations of microprocessor chip U1
Ground.
Further, the power circuit 1 includes power supply chip U5, electric capacity C20 and electric capacity C22；The power supply chip U5's
First pin and three-prong are connected with Vin voltage input ends；One end of electric capacity C20 is connected to first pipe of power supply chip U5
Pin, other end ground connection；One end of electric capacity C22 is connected to the 5th pin of power supply chip U5, other end ground connection；Power supply chip U5's
Second pin is grounded, and the 5th pin of power supply chip U5 is connected to the input of microcontroller circuit 2.
Further, the liquid crystal display circuit 6 includes liquid crystal display socket P2, electric capacity C16, triode Q1, resistance R19, electricity
Resistance R20, resistance R23, resistance R26 and resistance R43；One end of resistance R26 is connected with microcontroller circuit 2, the other end and three poles
The base stage connection of pipe Q1；Resistance R43 is connected in the base stage of triode Q1 and the emitter stage of triode Q1, the hair of triode Q1 in parallel
Emitter grounding, the colelctor electrode of triode Q1 is connected with one end of resistance R19, resistance R20 and resistance R23, the other end of resistance R19
LED_K2 pins with liquid crystal display socket P2 are connected, and the other end of resistance R20 is connected with the LED_K1 pins of liquid crystal display socket P2,
The other end of resistance R23 is connected with the LED_K3 pins of liquid crystal display socket P2.
Further, the keyboard circuit 7 includes resistance R1, resistance R4, resistance R6, resistance R9, resistance R10, resistance R11,
Resistance R12 and resistance R13；One end of resistance R1 is connected with+3.3V power supplys, and the other end is connected to microprocessor electricity by button S1
Road 2；One end of resistance R4 is connected with+3.3V power supplys, and the other end is connected to microcontroller circuit 2 by button S2；Resistance R6's
One end is connected with+3.3V power supplys, and the other end is connected to microcontroller circuit 2 by button S3；One end of resistance R9 and+3.3V electricity
Source connects, and the other end is connected to microcontroller circuit 2 by button S4；One end of resistance R10 is connected with+3.3V power supplys, another
End is connected to microcontroller circuit 2 by button S5；One end of resistance R11 is connected with+3.3V power supplys, and the other end is by button S6
It is connected to microcontroller circuit 2；One end of resistance R12 is connected with+3.3V power supplys, and the other end is connected to microprocessor by button S7
Device circuit 2；One end of resistance R13 is connected with+3.3V power supplys, and the other end is connected to microcontroller circuit 2 by button S8.
Further, the communication level change-over circuit 4 includes toggle switch S10, the first pin and the electricity of toggle switch S10
One end connection of one end and resistance R33 of R27 is hindered, the other end of resistance R27 is connected with+3.3V power supplys, the of toggle switch S10
Two pins are connected to+3.3V power supplys through resistance R2, and first pin of toggle switch S10 is connected to microcontroller circuit 2 simultaneously, electricity
The other end for hindering R33 is connected to the base stage of triode Q3, the grounded emitter of triode Q3, the colelctor electrode of triode Q3 respectively with
One end connection of one end and resistance R25 of resistance R29, the other end of resistance R25 is connected to+5V power supplys, the other end of resistance R29
The base stage of triode Q2 is connected to, one end of resistance R21 is connected with the colelctor electrode of triode Q2, and the other end is connected to+5V power supplys,
The grounded emitter of triode Q3, the colelctor electrode of triode Q3 is connected to the three-prong of toggle switch S10；Toggle switch S10
The 4th pin be connected to+5V power supplys by resistance R7；The second interface of USB interface P1 is connected to toggle switch by resistance R5
8th pin and the 6th pin of toggle switch S10 of S10, the 7th pin of toggle switch S10 and the 5th of toggle switch S10 the
Pin is connected to the 3rd interface of USB interface P1, and the 3rd interface of USB interface P1 is connected to microcontroller circuit by resistance R3
4th interface of 2, USB interface P1, the 5th interface and the 6th interfacing ground of USB interface P1 of USB interface P1, USB interface P1
First interface be connected to+12V power supplys；The wireless communication module circuit 5 includes wireless module U2, resistance R16 and luminous two
Second pin of pole pipe D1, wireless module U2 is grounded by C30, the first pin ground connection of wireless module U2, wireless module U2's
15th pin is connected with one end of resistance R16, and the other end of resistance R16 is connected with the anode of light emitting diode D1, and luminous two
The minus earth of pole pipe D1；21st pin of wireless module U2 and the 20th pin of wireless module U2 are connected to microprocessor
Device circuit 2.
Further, the charging circuit 9 includes charging chip U9, resistance R38, resistance R39, resistance R40, resistance R44, electricity
Resistance R45, electric capacity C26, electric capacity C29, light emitting diode D3 and light emitting diode D4；The resistance R38, resistance R40 and electric capacity C26
One end be connected with battery 8, the other end of electric capacity C26 ground connection, the other end of resistance R40 is connected to the 3rd pipe of charging chip U9
Pin, the other end of resistance R38 is respectively connecting to the anode of light emitting diode D3 and the anode of light emitting diode D4, light emitting diode
The negative electrode of D4 is connected to first pin of charging chip U9, and light emitting diode D3 is connected to the 5th pin of charging chip U9, electricity
The one end for hindering R44 is connected to the 5th pin of charging chip U9, and the other end is connected to+3.3V power supplys, one end connection of resistance R45
To first pin of charging chip U9, the other end is connected to+3.3V power supplys；The second pin ground connection of charging chip U9, resistance R39
One end be connected to the 6th pin of charging chip U9, other end ground connection, one end of electric capacity C29 is connected to the of charging chip U9
Three-prong, other end ground connection, the three-prong of charging chip U9 is connected to Vin voltage input ends.
The utility model is used for the handheld test device of low-voltage circuit breaker monitoring, and inside sets booster circuit, can be to disconnected
Road device is powered, it is possible to carry out the trip operation of breaker；Comprehensive monitoring can be carried out to the overall performance of low-voltage circuit breaker, carried
The Monitoring Performance of hand-held test device high.It is that battery charges by charging circuit, battery powers for power circuit again, battery can be with
It is the lithium battery of the replaceable Large Copacity that handheld test device is carried.Also can be supplied directly to power circuit by external power source
Electricity.Handheld test device is led to by wire communication circuit or wireless communication module circuit with low-voltage circuit breaker electronic controller
Letter, reads the measurement of correlation parameter of circuit breaker electric sub-controller.Handheld test device is compatible by communication level change-over circuit
The communication voltage of 3.3V and 5V.
Brief description of the drawings
Fig. 1 is the structured flowchart of the handheld test device that the utility model is used for low-voltage circuit breaker monitoring；
Fig. 2 is the circuit diagram of the utility model booster circuit；
Fig. 3 is the circuit diagram of the utility model power circuit；
Fig. 4 is the circuit diagram of the utility model microcontroller circuit；
Fig. 5 is the circuit diagram of the utility model charging circuit；
Fig. 6 is the circuit diagram of the utility model keyboard circuit；
Fig. 7 is the circuit diagram of the utility model communication level change-over circuit；
Fig. 8 is the utility model liquid crystal display circuit partial circuit diagram；
Fig. 9 is the utility model liquid crystal display circuit another part circuit diagram；
Figure 10 is the utility model wireless communication module circuit.
Specific embodiment
Below in conjunction with the embodiment that accompanying drawing 1 to 10 is given, further illustrate of the present utility model for low-voltage circuit breaker prison
The specific embodiment of the handheld test device of survey.Handheld test device for low-voltage circuit breaker monitoring of the present utility model is not
It is limited to the following description.
As shown in figure 1, the utility model is used for the handheld test device of low-voltage circuit breaker monitoring, handheld test device with it is disconnected
Road device electronic controller connection, including power circuit 1, microcontroller circuit 2, keyboard circuit 7 and liquid crystal display circuit 6.Also wrap
Include the booster circuit 3 powered for the electronic controller of breaker, the output end of power circuit 1 and the input of booster circuit 3
Input with microcontroller circuit is connected, and is that booster circuit 3 and microcontroller circuit 2 provide working power, handheld test dress
Put when being connected with the electronic controller of breaker, the output end of booster circuit 3 is connected with the electronic controller of breaker, be open circuit
The electronic controller of device provides operating voltage；Microcontroller circuit 2 is connected with keyboard circuit 7 and liquid crystal display circuit 6.This practicality
The new handheld test device for low-voltage circuit breaker monitoring, inside sets booster circuit, and booster circuit is connected to handheld test
The interface of device, can power, it is possible to carry out the trip operation of breaker to circuit breaker electric sub-controller；Can be disconnected to low pressure
The overall performance of road device carries out comprehensive monitoring, improves the Monitoring Performance of handheld test device.
As shown in Figure 1,5, also including battery 8 and charging circuit 9, the output end of charging circuit 9 connects with the input of battery 8
Connect, charging circuit 9 charges for battery 8, the output end of battery 8 is connected with the input of power circuit 1.It is by charging circuit 9
Battery 8 is charged, and battery 8 is powered for power circuit 1 again, and battery 8 can be the replaceable Large Copacity that handheld test device is carried
Lithium battery.Also can be powered directly to power circuit by external power source.
As shown in Fig. 1,7,10, also including communication level change-over circuit 4 and wireless communication module circuit 5, the communication electricity
Flat change-over circuit 4 and wireless communication module circuit 5 are connected with micro-processor interface circuit 2.Handheld test device passes through wireless communication module
Circuit is communicated with low-voltage circuit breaker electronic controller, reads the measurement of correlation parameter of circuit breaker electric sub-controller.Hand-held survey
The communication voltage by the compatibility of communication level change-over circuit 4 3.3V and 5V is put in trial assembly.Certainly, handheld test device also can be by having
Line telecommunication circuit is communicated with low-voltage circuit breaker electronic controller.
As shown in figure 3, the power circuit 1 includes power supply chip U5, electric capacity C20 and electric capacity C22；The power supply chip U5
The first pin and three-prong be connected with Vin voltage input ends；One end of electric capacity C20 is connected to first pipe of power supply chip U5
Pin, other end ground connection；One end of electric capacity C22 is connected to the 5th pin of power supply chip U5, other end ground connection；Power supply chip U5's
Second pin is grounded, and the 5th pin of power supply chip U5 is connected to the input of microcontroller circuit (2), is microcontroller circuit
2 provide+3.3V power supplys.Power supply chip U5 can also use other similar cake cores using the chip of model SP6201EM5-3.3.
As shown in Fig. 2 the booster circuit 3 includes boost chip U6, electric capacity C21, electric capacity C24, polar capacitor C25 and two
Pole pipe D2, second pin of boost chip U6 is connected to the output end of power circuit 1, first pin of boost chip U6 and boosting
The 4th pin ground connection of chip U6, the two ends of electric capacity C21 be connected to boost chip U6 the first pin and boost chip U6 the
Two pins, the anode of diode D2 is connected to the 5th pin of boost chip U6, and the negative electrode of diode D2 is connected to+12V power supplys
Connection, one end of electric capacity C24 is connected with+12V power supplys, other end ground connection；The positive pole of polar capacitor C25 is connected with+12V power supplys,
The other end is grounded.Handheld test device inside sets booster circuit, can be powered directly to circuit breaker electric sub-controller.Boosting core
Piece U6 can also use other similar cake cores using the chip of model TPTE0315.
As shown in figure 4, the microcontroller circuit 2 includes microprocessor chip U1, crystal oscillator Y1, resistance R14, resistance R15,
Resistance R17 and electric capacity C2；6th pin of microprocessor chip U1 is connected with the output end of power circuit, the microprocessor core
Tenth three-prong of piece U1 is connected to first pin of crystal oscillator Y1, the 12nd pin of microprocessor chip U1 by resistance R15
First pin of crystal oscillator Y1 is connected to by resistance R14, first pin of crystal oscillator Y1 is grounded by electric capacity C1, the second of crystal oscillator Y1
Pin is grounded, and electric capacity C2 is connected in parallel between the three-prong of crystal oscillator Y1 and the 4th pin of crystal oscillator Y1, and the 4th of crystal oscillator Y1 the
Pin is grounded；94th pin of crystal oscillator Y1 is grounded by resistance R17, and the 14th pin of crystal oscillator Y1 connects by electric capacity C3
Ground；Electric capacity C5 and electric capacity C4 be connected in parallel microprocessor chip U1 the 20th pin and microprocessor chip U1 the 20th
Between one pin, the 20th pin of microprocessor chip U1 ground connection, the 21st pin of microprocessor chip U1 is connected to+
3.3V power supplys；Electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11 and electric capacity C12 are connected in parallel successively, are connected in parallel rear electric capacity C12
One end be connected to VDD_1 ends, the VDD_2 ends of microprocessor chip U1, the microprocessor chip of microprocessor chip U1 simultaneously
The VDD_5 ends at the VDD_3 ends of U1, the VDD_4 ends of microprocessor chip U1 and microprocessor chip U1, a termination of electric capacity C8
Ground, the other end is connected with+3.3V power supplys；Electric capacity C13 and electric capacity C14 are connected in parallel, and one end of electric capacity C14 is connected to micro- after parallel connection
The VDDA ends of processor chips U1, one end ground connection of electric capacity C13, the other end is connected with+3.3V power supplys；Microprocessor chip U1's
VBAT ends are connected to+3.3V power supplys；The PB2/BOOT1 ends ground connection of microprocessor chip U1；The PC6 ends of microprocessor chip U1,
The PC7 ends of microprocessor chip U1, the PC9 ends at the PC8 ends of microprocessor chip U1 and microprocessor chip U1 and keyboard circuit 7
Connection；The VSS_1 ends of microprocessor chip U1, the VSS_2 ends of microprocessor chip U1, the VSS_3 ends of microprocessor chip U1,
The VSS_4 ends of microprocessor chip U1 and the VSS_5 ends ground connection of microprocessor chip U1；The VSSA terminations of microprocessor chip U1
Ground.
As shown in fig. 6, the keyboard circuit 7 includes resistance R1, resistance R4, resistance R6, resistance R9, resistance R10, resistance
R11, resistance R12 and resistance R13；One end of resistance R1 is connected with+3.3V power supplys, and the other end is connected to microprocessor by button S1
Device circuit 2；One end of resistance R4 is connected with+3.3V power supplys, and the other end is connected to microcontroller circuit 2 by button S2；Resistance
One end of R6 is connected with+3.3V power supplys, and the other end is connected to microcontroller circuit 2 by button S3；One end of resistance R9 with+
3.3V power supplys are connected, and the other end is connected to microcontroller circuit 2 by button S4；One end of resistance R10 connects with+3.3V power supplys
Connect, the other end is connected to microcontroller circuit 2 by button S5；One end of resistance R11 is connected with+3.3V power supplys, other end warp
Cross button S6 and be connected to microcontroller circuit 2；One end of resistance R12 is connected with+3.3V power supplys, and the other end is connected by button S7
To microcontroller circuit 2；One end of resistance R13 is connected with+3.3V power supplys, and the other end is connected to microprocessor electricity by button S8
Road 2.
As shown in Figure 8,9, the liquid crystal display circuit 6 includes liquid crystal display socket P2, electric capacity C16, triode Q1, resistance
R19, resistance R20, resistance R23, resistance R26 and resistance R43；One end of resistance R26 is connected with microcontroller circuit 2, the other end
Base stage with triode Q1 is connected；Resistance R43 is connected in the base stage of triode Q1 and the emitter stage of triode Q1, triode in parallel
The grounded emitter of Q1, the colelctor electrode of triode Q1 is connected with one end of resistance R19, resistance R20 and resistance R23, resistance R19's
The other end is connected with the LED_K2 pins of liquid crystal display socket P2, and the other end of resistance R20 is managed with the LED_K1 of liquid crystal display socket P2
Pin is connected, and the other end of resistance R23 is connected with the LED_K3 pins of liquid crystal display socket P2.The utility model handheld test device is adopted
With high-resolution TFT colorful display screens, interface is succinctly attractive in appearance, and Consumer's Experience is good.
As shown in fig. 7, the communication level change-over circuit 4 includes toggle switch S10, first pin of toggle switch S10
It is connected with one end of resistance R27 and one end of resistance R33, the other end of resistance R27 is connected with+3.3V power supplys, toggle switch S10
The second pin be connected to+3.3V power supplys through resistance R2, first pin of toggle switch S10 is connected to microcontroller circuit simultaneously
2, the other end of resistance R33 is connected to the base stage of triode Q3, the grounded emitter of triode Q3, the colelctor electrode point of triode Q3
It is not connected with one end of resistance R29 and one end of resistance R25, the other end of resistance R25 is connected to+5V power supplys, and resistance R29's is another
One end is connected to the base stage of triode Q2, and one end of resistance R21 is connected with the colelctor electrode of triode Q2, and the other end is connected to+5V
Power supply, the grounded emitter of triode Q3, the colelctor electrode of triode Q3 is connected to the three-prong of toggle switch S10；Dial-up is opened
The 4th pin for closing S10 is connected to+5V power supplys by resistance R7；The second interface of USB interface P1 is connected to by resistance R5 and dials
8th pin and the 6th pin of toggle switch S10 of code switch S10, the 7th pin and toggle switch S10 of toggle switch S10
The 5th pin be connected to the 3rd interface of USB interface P1, the 3rd interface of USB interface P1 is connected to microprocessor by resistance R3
Device circuit 2, the 4th interface of USB interface P1, the 5th interface and the 6th interfacing ground of USB interface P1 of USB interface P1, USB
The first interface of interface P1 is connected to+12V power supplys.Handheld test device passes through the compatibility of communication level change-over circuit 4 3.3V and 5V
Communication voltage.
Specifically, as shown in figure 5, the charging circuit 9 includes charging chip U9, resistance R38, resistance R39, resistance R40,
Resistance R44, resistance R45, electric capacity C26, electric capacity C29, light emitting diode D3 and light emitting diode D4；The resistance R38, resistance
One end of R40 and electric capacity C26 are connected with battery 8, and the other end ground connection of electric capacity C26, the other end of resistance R40 is connected to charging core
The three-prong of piece U9, the other end of resistance R38 is respectively connecting to the anode of light emitting diode D3 and the sun of light emitting diode D4
Pole, the negative electrode of light emitting diode D4 is connected to first pin of charging chip U9, and light emitting diode D3 is connected to charging chip U9
The 5th pin, one end of resistance R44 is connected to the 5th pin of charging chip U9, and the other end is connected to+3.3V power supplys, resistance
One end of R45 is connected to first pin of charging chip U9, and the other end is connected to+3.3V power supplys；Second pipe of charging chip U9
Pin is grounded, and one end of resistance R39 is connected to the 6th pin of charging chip U9, and the other end is grounded, and one end of electric capacity C29 is connected to
The three-prong of charging chip U9, other end ground connection, the three-prong of charging chip U9 is connected to Vin voltage input ends.Charge
Chip U9 uses model TP4057 chips, can also use other similar cake cores.
As shown in Figure 10, the wireless communication module circuit 5 includes wireless module U2, resistance R16 and light emitting diode D1,
Second pin of wireless module U2 is grounded by C30, the first pin ground connection of wireless module U2, the 15th pipe of wireless module U2
Pin is connected with one end of resistance R16, and the other end of resistance R16 is connected with the anode of light emitting diode D1, light emitting diode D1's
Minus earth；21st pin of wireless module U2 and the 20th pin of wireless module U2 are connected to microcontroller circuit 2.
Handheld test device is communicated by wireless communication module circuit with low-voltage circuit breaker electronic controller, reads breaker electronic
The measurement of correlation parameter of controller.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all regarded
To belong to protection domain of the present utility model.
Claims (10)
1. a kind of handheld test device for low-voltage circuit breaker monitoring, is connected with the electronic controller of breaker, and its feature exists
In：Including power circuit (1), microcontroller circuit (2), keyboard circuit (7) and liquid crystal display circuit (6)；Also include for breaking
The booster circuit (3) that the electronic controller of road device is powered, the output end of power circuit (1) and the input of booster circuit (3) and
Microcontroller circuit (2) is connected, and is that booster circuit (3) and microcontroller circuit (2) provide working power, microcontroller circuit
(2) it is connected with keyboard circuit (7) and liquid crystal display circuit (6).
2. it is according to claim 1 for low-voltage circuit breaker monitoring handheld test device, it is characterised in that：Also include logical
Letter level shifting circuit (4) and wireless communication module circuit (5), the communication level change-over circuit (4) and wireless communication module
Circuit (5) is connected with micro-processor interface circuit (2).
3. it is according to claim 1 for low-voltage circuit breaker monitoring handheld test device, it is characterised in that：Also include electricity
Pond (8) and charging circuit (9), the output end of charging circuit (9) are connected with the input of battery (8), and charging circuit (9) is battery
(8) charge, the output end of battery (8) is connected with the input of power circuit (1).
4. according to any described handheld test devices monitored for low-voltage circuit breaker of claim 1-3, it is characterised in that：Institute
Stating booster circuit (3) includes boost chip U6, electric capacity C21, electric capacity C24, polar capacitor C25 and diode D2, boost chip U6
The second pin be connected to the output end of power circuit (1), first pin of boost chip U6 and the 4th pipe of boost chip U6
Pin is grounded, and the two ends of electric capacity C21 are connected to first pin of boost chip U6 and second pin of boost chip U6, diode D2
Anode be connected to the 5th pin of boost chip U6, the negative electrode of diode D2 is connected to the connection of+12V power supplys, the one of electric capacity C24
End is connected with+12V power supplys, other end ground connection；The positive pole of polar capacitor C25 is connected with+12V power supplys, other end ground connection.
5. it is according to claim 1 for low-voltage circuit breaker monitoring handheld test device, it is characterised in that：Micro- place
Reason device circuit (2) includes microprocessor chip U1, crystal oscillator Y1, resistance R14, resistance R15, resistance R17 and electric capacity C2；Microprocessor
6th pin of chip U1 is connected with the output end of power circuit (1), and the tenth three-prong of the microprocessor chip U1 passes through
Resistance R15 is connected to first pin of crystal oscillator Y1, and the 12nd pin of microprocessor chip U1 is connected to crystal oscillator by resistance R14
First pin of Y1, first pin of crystal oscillator Y1 is grounded by electric capacity C1, and the second pin ground connection of crystal oscillator Y1, electric capacity C2 is in parallel even
It is connected between the three-prong of crystal oscillator Y1 and the 4th pin of crystal oscillator Y1, the 4th pin ground connection of crystal oscillator Y1；The 9th of crystal oscillator Y1
14 pins are grounded by resistance R17, and the 14th pin of crystal oscillator Y1 is grounded by electric capacity C3；Electric capacity C5 and electric capacity C4 is in parallel even
It is connected between the 20th pin of microprocessor chip U1 and the 21st pin of microprocessor chip U1, microprocessor chip
The 20th pin ground connection of U1, the 21st pin of microprocessor chip U1 is connected to+3.3V power supplys；Electric capacity C8, electric capacity C9,
Electric capacity C10, electric capacity C11 and electric capacity C12 are connected in parallel successively, are connected in parallel one end of rear electric capacity C12 while being connected to microprocessor
The VDD_1 ends of device chip U1, the VDD_2 ends of microprocessor chip U1, the VDD_3 ends of microprocessor chip U1, microprocessor core
The VDD_4 ends of piece U1 and the VDD_5 ends of microprocessor chip U1, one end ground connection of electric capacity C8, the other end connect with+3.3V power supplys
Connect；Electric capacity C13 and electric capacity C14 are connected in parallel, and one end of electric capacity C14 is connected to the VDDA ends of microprocessor chip U1 after parallel connection,
One end ground connection of electric capacity C13, the other end is connected with+3.3V power supplys；The VBAT ends of microprocessor chip U1 are connected to+3.3V electricity
Source；The PB2/BOOT1 ends ground connection of microprocessor chip U1；The PC6 ends of microprocessor chip U1, the PC7 of microprocessor chip U1
The PC9 ends of end, the PC8 ends of microprocessor chip U1 and microprocessor chip U1 are connected with keyboard circuit (7)；Microprocessor chip
The VSS_1 ends of U1, the VSS_2 ends of microprocessor chip U1, the VSS_3 ends of microprocessor chip U1, microprocessor chip U1
The VSS_5 ends ground connection of VSS_4 ends and microprocessor chip U1；The VSSA ends ground connection of microprocessor chip U1.
6. it is according to claim 1 for low-voltage circuit breaker monitoring handheld test device, it is characterised in that：The power supply
Circuit (1) includes power supply chip U5, electric capacity C20 and electric capacity C22；First pin and three-prong of the power supply chip U5 with
Vin voltage input ends are connected；One end of electric capacity C20 is connected to first pin of power supply chip U5, other end ground connection；Electric capacity C22
One end be connected to the 5th pin of power supply chip U5, other end ground connection；The second pin ground connection of power supply chip U5, power supply chip
5th pin of U5 is connected to the input of microcontroller circuit (2).
7. it is according to claim 1 for low-voltage circuit breaker monitoring handheld test device, it is characterised in that：The liquid crystal
Display circuit (6) includes liquid crystal display socket P2, electric capacity C16, triode Q1, resistance R19, resistance R20, resistance R23, resistance R26
With resistance R43；One end of resistance R26 is connected with microcontroller circuit (2), and the other end is connected with the base stage of triode Q1；Resistance
R43 is connected in the base stage of triode Q1 and the emitter stage of triode Q1 in parallel, the grounded emitter of triode Q1, triode Q1's
Colelctor electrode is connected with one end of resistance R19, resistance R20 and resistance R23, and the other end of resistance R19 is with liquid crystal display socket P2's
LED_K2 pins are connected, and the other end of resistance R20 is connected with the LED_K1 pins of liquid crystal display socket P2, the other end of resistance R23
LED_K3 pins with liquid crystal display socket P2 are connected.
8. it is according to claim 1 for low-voltage circuit breaker monitoring handheld test device, it is characterised in that：The keyboard
Circuit (7) includes resistance R1, resistance R4, resistance R6, resistance R9, resistance R10, resistance R11, resistance R12 and resistance R13；Resistance
One end of R1 is connected with+3.3V power supplys, and the other end is connected to microcontroller circuit (2) by button S1；One end of resistance R4 with+
3.3V power supplys are connected, and the other end is connected to microcontroller circuit (2) by button S2；One end of resistance R6 connects with+3.3V power supplys
Connect, the other end is connected to microcontroller circuit (2) by button S3；One end of resistance R9 is connected with+3.3V power supplys, other end warp
Cross button S4 and be connected to microcontroller circuit (2)；One end of resistance R10 is connected with+3.3V power supplys, and the other end connects by button S5
It is connected to microcontroller circuit (2)；One end of resistance R11 is connected with+3.3V power supplys, and the other end is connected to microprocessor by button S6
Device circuit (2)；One end of resistance R12 is connected with+3.3V power supplys, and the other end is connected to microcontroller circuit (2) by button S7；
One end of resistance R13 is connected with+3.3V power supplys, and the other end is connected to microcontroller circuit (2) by button S8.
9. it is according to claim 2 for low-voltage circuit breaker monitoring handheld test device, it is characterised in that：The communication
Level shifting circuit (4) includes toggle switch S10, first pin of toggle switch S10 and one end of resistance R27 and resistance R33
One end connection, the other end of resistance R27 is connected with+3.3V power supplys, and second pin of toggle switch S10 is connected to through resistance R2
+ 3.3V power supplys, first pin of toggle switch S10 is connected to microcontroller circuit (2), the other end connection of resistance R33 simultaneously
To the base stage of triode Q3, the grounded emitter of triode Q3, the colelctor electrode of triode Q3 one end respectively with resistance R29 and electricity
One end connection of R25 is hindered, the other end of resistance R25 is connected to+5V power supplys, and the other end of resistance R29 is connected to triode Q2's
Base stage, one end of resistance R21 is connected with the colelctor electrode of triode Q2, and the other end is connected to+5V power supplys, the emitter stage of triode Q3
Ground connection, the colelctor electrode of triode Q3 is connected to the three-prong of toggle switch S10；4th pin of toggle switch S10 is by electricity
Resistance R7 is connected to+5V power supplys；The second interface of USB interface P1 by resistance R5 be connected to toggle switch S10 the 8th pin and
6th pin of toggle switch S10, the 7th pin of toggle switch S10 and the 5th pin of toggle switch S10 are connected to USB and connect
3rd interface of mouth P1, the 3rd interface of USB interface P1 is connected to microcontroller circuit (2) by resistance R3, USB interface P1's
5th interface and the 6th interfacing ground of USB interface P1 of the 4th interface, USB interface P1, the first interface connection of USB interface P1
To+12V power supplys；The wireless communication module circuit (5) includes wireless module U2, resistance R16 and light emitting diode D1, wireless mould
Second pin of block U2 is grounded by C30, the first pin ground connection of wireless module U2, the 15th pin and the electricity of wireless module U2
One end connection of R16 is hindered, the other end of resistance R16 is connected with the anode of light emitting diode D1, and the negative electrode of light emitting diode D1 connects
Ground；21st pin of wireless module U2 and the 20th pin of wireless module U2 are connected to microcontroller circuit (2).
10. it is according to claim 3 for low-voltage circuit breaker monitoring handheld test device, it is characterised in that：It is described to fill
Circuit (9) includes charging chip U9, resistance R38, resistance R39, resistance R40, resistance R44, resistance R45, electric capacity C26, electric capacity
C29, light emitting diode D3 and light emitting diode D4；One end of the resistance R38, resistance R40 and electric capacity C26 and battery (8) are even
Connect, the other end ground connection of electric capacity C26, the other end of resistance R40 is connected to the three-prong of charging chip U9, and resistance R38's is another
One end is respectively connecting to the anode of light emitting diode D3 and the anode of light emitting diode D4, and the negative electrode of light emitting diode D4 is connected to
First pin of charging chip U9, light emitting diode D3 is connected to the 5th pin of charging chip U9, one end connection of resistance R44
To the 5th pin of charging chip U9, the other end is connected to+3.3V power supplys, and one end of resistance R45 is connected to charging chip U9's
First pin, the other end is connected to+3.3V power supplys；The second pin ground connection of charging chip U9, one end of resistance R39 is connected to be filled
6th pin of electrical chip U9, other end ground connection, one end of electric capacity C29 is connected to the three-prong of charging chip U9, the other end
Ground connection, the three-prong of charging chip U9 is connected to Vin voltage input ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182201.9U CN206235715U (en) | 2016-11-03 | 2016-11-03 | For the handheld test device of low-voltage circuit breaker monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182201.9U CN206235715U (en) | 2016-11-03 | 2016-11-03 | For the handheld test device of low-voltage circuit breaker monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235715U true CN206235715U (en) | 2017-06-09 |
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ID=58990487
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182201.9U Active CN206235715U (en) | 2016-11-03 | 2016-11-03 | For the handheld test device of low-voltage circuit breaker monitoring |
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| Country | Link |
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| CN (1) | CN206235715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111352364A (en) * | 2019-11-08 | 2020-06-30 | 凯里云瀚智慧城市运营管理有限公司 | Support remote control's sensor circuit |
| CN111830878A (en) * | 2020-07-27 | 2020-10-27 | 山东众海智能科技有限公司 | Portable fire control bus equipment on-line testing device and system |
-
2016
- 2016-11-03 CN CN201621182201.9U patent/CN206235715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111352364A (en) * | 2019-11-08 | 2020-06-30 | 凯里云瀚智慧城市运营管理有限公司 | Support remote control's sensor circuit |
| CN111830878A (en) * | 2020-07-27 | 2020-10-27 | 山东众海智能科技有限公司 | Portable fire control bus equipment on-line testing device and system |
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