CN208269960U - A kind of multifunctional intellectual instrument - Google Patents
A kind of multifunctional intellectual instrument Download PDFInfo
- Publication number
- CN208269960U CN208269960U CN201820365754.0U CN201820365754U CN208269960U CN 208269960 U CN208269960 U CN 208269960U CN 201820365754 U CN201820365754 U CN 201820365754U CN 208269960 U CN208269960 U CN 208269960U
- Authority
- CN
- China
- Prior art keywords
- pin
- connect
- resistance
- module
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model discloses a kind of multifunctional intellectual instrument, it is related to field of instrumentation technology, it include: microcontroller, voltage acquisition module, current acquisition module, digital signal input module, direct current output module, relay driving module, LCD MODULE and communication module, voltage acquisition module, current acquisition module and digital signal input module are connect with the input terminal of microcontroller, the input terminal of relay driving module and the output end of microcontroller connect, the output end of relay driving module is connect with external alert device, LCD MODULE and communication module are connect with the output end of microcontroller, the input terminal of direct current output module and the output end of microcontroller connect, the output end of direct current output module is connect with external detection equipment.The utility model can show voltage and current, and user is facilitated to check and calculate；Data can be provided for user program, provide the user great convenience.
Description
Technical field
The utility model relates to field of instrumentation technology more particularly to a kind of multifunctional intellectual instrument.
Background technique
With the development of society, the function of electric instrument is also required to be extended accordingly, from conventional instrument to Intelligent Instrument
The conversion of table more has the tendency that acceleration.
Intelligence instrument in the prior art generally includes controller, acquisition module and display module, and acquisition module is used for will
Collected information is sent to controller, and controller passes through display module again and shown.But above-mentioned intelligence instrument user can only
Acquisition information is checked at the scene, be cannot achieve and is remotely checked, brings great inconvenience to users.
Summary of the invention
In view of this, the present invention provides a kind of multifunctional intellectual instrument, can will be connect by LCD MODULE
The voltage and current received is shown, user is facilitated to check and calculate；Data can be provided for user program；Facilitate external inspection
Measurement equipment judges the current value of this route according to the DC current values of output；User is facilitated remotely to check the letter of intelligence instrument
Breath, provide the user great convenience.
The utility model is solved the above problems by following technological means:
A kind of multifunctional intellectual instrument of the utility model, comprising: microcontroller, voltage acquisition module, current acquisition mould
Block, digital signal input module, direct current output module, relay driving module, LCD MODULE and communication module, the electricity
Pressure acquisition module, current acquisition module and digital signal input module are connect with the input terminal of the microcontroller, it is described after
The input terminal of electrical equipment drive module is connect with the output end of the microcontroller, the output end of the relay driving module and outer
The connection of portion's alarm, the LCD MODULE and communication module are connect with the output end of the microcontroller, the direct current
The input terminal of output module is connect with the output end of the microcontroller, the output end and external detection of the direct current output module
Equipment connection.
It further, further include key press detecting circuit and state indicator module, the key press detecting circuit and the microcontroller
The input terminal of device connects, and the state indicator module is connect with the output end of the microcontroller.
Further, the microcontroller includes single-chip microcontroller MSP430F5438.
Further, the voltage acquisition module includes the first voltage mutual inductor PT1 of model PT-2MA/2MA, model
The 3rd pin and the A phase of the amplifier AU1, the PT1 of the second voltage mutual inductor PT2 and model MCP609 of PT-2MA/2MA
Voltage UA connection, the 4th pin of the PT1 are connect with B phase voltage UB, and the 1st pin of the PT1 is connect with 1.25V power supply,
The 2nd pin of the PT1 is connect by resistance R6 with the 6th pin of the AU1, the 1st pin of the PT1 and the 2nd pin it
Between be connected in parallel to the 5th pin of resistance R4 and capacitor C7, the AU1 and connect by resistance R5 with 1.25V power supply, the AU1
The 7th pin connect with the 6th pin of the AU1 by resistance R3, the 7th pin of AU1 one end with resistance R1 respectively
It is connected with one end of capacitor C2, the other end of the resistance R1 cathode and the list with one end of capacitor C1, diode WD1 respectively
3rd pin of piece machine connects, and the other end of the anode of diode WD1, the other end of capacitor C1 and capacitor C2 is grounded；It is described
The 3rd pin of PT2 is connect with B phase voltage UB, and the 4th pin of the PT2 is connect with C phase voltage UC, the 1st pin of the PT2
It being connect with 1.25V power supply, the 2nd pin of the PT2 is connect by resistance R22 with the 9th pin of the AU1, and the of the PT2
Be connected in parallel to resistance R23 and capacitor C5 between 1 pin and the 2nd pin, the 10th pin of the AU1 by resistance R21 with
8th pin of the connection of 1.25V power supply, the AU1 is connect by resistance R20 with the 9th pin of the AU1, and the 8th of the AU1 the
Pin is connect with one end of one end of resistance R19 and capacitor C8 respectively, the other end of resistance R19 respectively with one end of capacitor C6,
The cathode of diode WD2 is connected with the 2nd pin of the single-chip microcontroller, the other end and electricity of the anode of diode WD2, capacitor C6
The other end for holding C8 is grounded.
Further, the current acquisition module includes the first Current Mutual Inductance being respectively fitted in A phase line, B phase line and C phase line
Device CT1, the second Current Transmit 2 and third Current Transmit 3；The one end on CT1 pair side is connect with 1.25V power supply,
The other end on CT1 pair side is connect with the 59th pin of the single-chip microcontroller, between the one end and the other end on CT1 pair side also
It is parallel with resistance R66 and diac TF1；The one end on CT2 pair side is connect with 1.25V power supply, CT2 pair side
The other end connect with the 60th pin of the single-chip microcontroller, be also parallel with resistance between the one end and the other end on CT2 pair side
R67 and diac TF2；The one end on CT3 pair side is connect with 1.25V power supply, the other end on CT3 pair side with
61st pin of the single-chip microcontroller connects, and resistance R68 is also parallel between the one end and the other end on CT3 pair side and two-way is hit
Wear diode TF3.
Further, the digital signal input module includes several input submodules, and each input submodule includes type
It number is connect for the rectifier bridge U1 and the 1st pin of photoelectrical coupler U6, the U1 of MB10S with one end of user's dry contact, it is described
The 2nd pin of U1 is connect with the other end of user's dry contact, and the 1st pin of the U1 also pass through varistor YM1 with it is described
The 2nd pin of U1 connects, and the 3rd pin of the U1 is connect by resistance R11 with the 1st pin of the U6, and the 4th of the U1 is drawn
Foot is connect with the 2nd pin of the U6, and is connected in parallel to resistance R15, capacitor between the 1st pin and the 2nd pin of the U6
CE1 and diode D1, the cathode of diode D1 are connect with the 3rd pin of the U1, and the of the anode of diode D1 and the U1
The connection of 4 pins, the 4th pin of the U6 is connect with the 36th pin of the single-chip microcontroller, and the 4th pin of the U6 also passes through electricity
Resistance R7 is connected to power supply, the 3rd pin ground connection of the U6.
Further, the direct current output module includes the optocoupler U10, phase inverter U11, amplification of model HCP0600
The 3rd pin of device U12 and triode T1, the U10 are connect with the 37th pin of the single-chip microcontroller, the 3rd pin of the U10 with
6th pin of the connection of the 4th pin, the U10 is connect by resistance R31 with the input terminal of phase inverter U11, and phase inverter U11's is defeated
Outlet is connect by resistance R41 with the non-inverting input terminal of amplifier U12, and the inverting input terminal of amplifier U12 passes through resistance R71
Ground connection, the output end of amplifier U12 are connect with one end of one end of resistance R51 and capacitor C51 respectively, the other end of resistance R51
Connect respectively with the base stage of the other end of capacitor C51, the cathode of diode D11 and triode T1, the emitter of triode T1 with
The anode of diode D11 connects, and the collector of triode T1 is connect with the cathode of diode D22, the anode and electricity of diode D22
Source connection, and resistance R61 and capacitor C41 are also in series between the collector of triode T1 and the emitter of triode T1, and three
Cathode output end of the emitter of pole pipe T1 as direct current output module, the inverting input terminal of amplifier U12 is as direct current output
The cathode output end of module, the cathode output end and cathode output end of the direct current output module are connect with external detection equipment.
Further, the relay driving module includes three tunnel driven submodules, and driven submodule described in every road includes type
It number is connected to power supply for the 1st pin of TLP521-1 photoelectrical coupler U21 and relay J1, the U21 by resistance R40, institute
The 2nd pin for stating U21 is connect with the 12nd pin of the single-chip microcontroller, and the 4th pin of the U21 connects to power supply, the U21
The 3rd pin connect with the 1st pin of the J1, the 1st pin of the J1 also respectively with the cathode and capacitor of diode D20
One end of C40 connects, and the other end of capacitor C40 is connect with one end of resistance R50, the other end of resistance R50 and diode D20's
The 2nd pin of anode and the J1 are grounded；The 4th pin of the J1 and the 5th pin are connect with external alert device.
Further, the LCD MODULE includes the liquid crystal display LCD1 and amplifier T5 of model LM6059B, institute
The emitter for stating T5 is connect with the 16th pin of the LCD1, and the collector of the T5 connects to power supply, and the base stage of the T5 is logical
Resistance R60 is crossed to connect with the 28th pin of the single-chip microcontroller, the 1st pin to the 13rd pin of the LCD1 respectively with the list
43rd pin of piece machine, the 42nd pin, the 35th pin, the 31st pin, the 29th pin, the 20th pin, the 21st pin, the 22nd are drawn
Foot, the 23rd pin, the 24th pin, the 25th pin, the 26th pin and the connection of the 27th pin.
Further, the communication module includes the 485 chip U30 and model of model MAX485
The 1st pin of the inverter U31, the U30 of SN74HC1G04DBVR pass through the 33rd pin of resistance R441 and the single-chip microcontroller
Connection, the 2nd pin of the U30 are connect with the 3rd pin of the U30, and the 4th of the 2nd pin of the U30 and the U31
Pin connection, the 2nd pin of the U31 are connect with the 32nd pin of the single-chip microcontroller, the 6th pin of the U30 and the 7th pin
It is connect with host computer.
A kind of multifunctional intellectual instrument of the utility model has the advantages that
The utility model provides a kind of multifunctional intellectual instrument, and voltage acquisition module and current acquisition module are respectively used to
The voltage and current of three phase supply module is acquired, and the voltage and current of acquisition is sent to microcontroller, microcontroller leads to again
It crosses LCD MODULE to show the voltage and current received, be calculated convenient for user according to the voltage and current value of display
The power etc. of power supply module, facilitates user to check and calculate；Digital signal input module is used to detect the state of dry contact, when dry
When contact disconnects, microcontroller detects 0 signal；When dry contact closure, microcontroller detects that 1 signal, microcontroller are read
These signals are taken, provide data for user program；Direct current output module is convenient for exporting DC current values corresponding with route
External detection equipment judges the current value of this route according to the DC current values of output；Key press detecting circuit is used for according to default
Program etc. controls microcontroller etc.；State indicator module is used for according to pre-set programs display status information；Communication module
For receiving voltage, electric current and the other information of microcontroller transmission, and all information received are sent to host computer, side
Just user remotely checks the information of intelligence instrument, provide the user great convenience.
Detailed description of the invention
Fig. 1 is a kind of schematic block circuit diagram of multifunctional intellectual instrument of the utility model；
Fig. 2 is a kind of circuit diagram of microcontroller of the utility model；
Fig. 3 is a kind of circuit diagram of voltage acquisition module of the utility model；
Fig. 4 is a kind of circuit diagram of current acquisition module of the utility model；
Fig. 5 is a kind of circuit diagram of digital signal input module of the utility model；
Fig. 6 is a kind of circuit diagram of direct current output module of the utility model；
Fig. 7 is a kind of circuit diagram of relay driving module of the utility model；
Fig. 8 is a kind of circuit diagram of key press detecting circuit of the utility model；
Fig. 9 is a kind of circuit diagram of state display module of the utility model；
Figure 10 is a kind of circuit diagram of LCD MODULE of the utility model；
Figure 11 is a kind of circuit diagram of communication module of the utility model.
Specific embodiment
The utility model is described in detail below with reference to attached drawing, one kind of the present embodiment is multi-functional as shown in Figure 1:
Intelligence instrument include: microcontroller 101, voltage acquisition module 102, current acquisition module 103, digital signal input module 104,
Direct current output module 105, relay driving module 106, key press detecting circuit 107, state indicator module 108, liquid crystal display mode
Block 109 and communication module 110, the voltage acquisition module 102, current acquisition module 103,104 and of digital signal input module
Key press detecting circuit 107 is connect with the input terminal of the microcontroller 101, the input terminal of the relay driving module 106
It being connect with the output end of the microcontroller 101, the output end of the relay driving module 106 is connect with external alert device,
The LCD MODULE 109, state indicator module 108 and communication module 110 connect with the output end of the microcontroller 101
It connects, the input terminal of the direct current output module 105 is connect with the output end of the microcontroller 101, the direct current output module
105 output end is connect with external detection equipment 111.
In the present embodiment, as shown in Fig. 2, the microcontroller 101 includes single-chip microcontroller MSP430F5438.
In the present embodiment, as shown in figure 3, the voltage acquisition module 102 includes the first electricity of model PT-2MA/2MA
Press the amplifier AU1 of the second voltage mutual inductor PT2 and model MCP609 of mutual inductor PT1, model PT-2MA/2MA, institute
The 3rd pin for stating PT1 is connect with A phase voltage UA, and the 4th pin of the PT1 is connect with B phase voltage UB, and the 1st of the PT1 is drawn
Foot is connect with 1.25V power supply, and the 2nd pin of the PT1 is connect by resistance R6 with the 6th pin of the AU1, the PT1's
Be connected in parallel to resistance R4 and capacitor C7 between 1st pin and the 2nd pin, the 5th pin of the AU1 by resistance R5 with
7th pin of the connection of 1.25V power supply, the AU1 is connect by resistance R3 with the 6th pin of the AU1, and the 7th of the AU1 is drawn
Foot is connect with one end of one end of resistance R1 and capacitor C2 respectively, the other end of resistance R1 respectively with one end of capacitor C1, two poles
The cathode of pipe WD1 is connected with the 3rd pin of the single-chip microcontroller, the anode of diode WD1, the other end of capacitor C1 and capacitor C2
The other end be grounded.
The 3rd pin of the PT2 is connect with B phase voltage UB, and the 4th pin of the PT2 is connect with C phase voltage UC, described
The 1st pin of PT2 is connect with 1.25V power supply, and the 2nd pin of the PT2 is connected by the 9th pin of the resistance R22 and AU1
It connects, resistance R23 and capacitor C5 is connected in parallel between the 1st pin of the PT2 and the 2nd pin, the 10th pin of the AU1 is logical
It crosses resistance R21 to connect with 1.25V power supply, the 8th pin of the AU1 is connect by resistance R20 with the 9th pin of the AU1, institute
The 8th pin for stating AU1 is connect with one end of one end of resistance R19 and capacitor C8 respectively, the other end of resistance R19 respectively with electricity
Hold one end of C6, the cathode of diode WD2 is connected with the 2nd pin of the single-chip microcontroller, the anode of diode WD2, capacitor C6
The other end of the other end and capacitor C8 are grounded.
It should be noted that the A phase line of three-phase electricity, B phase line and C phase line are indicated in Fig. 3 using JP1.
In the present embodiment, as shown in figure 4, the current acquisition module 103 includes being respectively fitted over A phase line, B phase line and C phase
The first Current Transmit 1, the second Current Transmit 2 and third Current Transmit 3 on line.
The one end on CT1 pair side is connect with 1.25V power supply, and the of the other end on CT1 pair side and the single-chip microcontroller
The connection of 59 pins, is also parallel with resistance R66 and diac TF1 between the one end and the other end on CT1 pair side；Institute
The one end for stating CT2 pair side is connect with 1.25V power supply, and the other end on CT2 pair side is connect with the 60th pin of the single-chip microcontroller,
Resistance R67 and diac TF2 are also parallel between the one end and the other end on CT2 pair side；CT3 pair side
One end is connect with 1.25V power supply, and the other end on CT3 pair side is connect with the 61st pin of the single-chip microcontroller, CT3 pair side
One end and the other end between be also parallel with resistance R68 and diac TF3.
It should be noted that network label IA, IB, IC and CT_COM representative are socketed in A phase line, B phase line respectively in Fig. 4
In C phase line.
In the present embodiment, as shown in figure 5, the digital signal input module 104 includes several input submodules, each
Input submodule includes the rectifier bridge U1 of model MB10S and the 1st pin of photoelectrical coupler U6, the U1 and user's stem grafting
One end connection of point, the 2nd pin of the U1 is connect with the other end of user's dry contact, and the 1st pin of the U1 also passes through
Varistor YM1 is connect with the 2nd pin of the U1, and the 3rd pin of the U1 passes through the 1st pin of resistance R11 and the U6
Connection, the 4th pin of the U1 are connect with the 2nd pin of the U6, and in parallel between the 1st pin and the 2nd pin of the U6
It is connected with resistance R15, capacitor CE1 and diode D1, the cathode of diode D1 is connect with the 3rd pin of the U1, diode D1
Anode connect with the 4th pin of the U1, the 4th pin of the U6 is connect with the 36th pin of the single-chip microcontroller, and described
The 4th pin of U6 also passes through resistance R7 and connects to power supply, the 3rd pin ground connection of the U6.
It should be noted that in Fig. 5 by taking four input submodules as an example, respectively the first input submodule, the second input
Submodule, third input submodule and the 4th input submodule, the first input submodule are used to detect first user's dry contact, the
Two input submodules are for detecting second user dry contact, and third input submodule is for detecting third user's dry contact, and the 4th
Input submodule is for detecting fourth user dry contact；Wherein the first input submodule be above-mentioned MB10S rectifier bridge U1 and
The circuit of photoelectrical coupler U6 composition, the second input submodule includes the rectifier bridge U2 and photoelectrical coupler U7 of model MB10S
The circuit of composition, third input submodule include the circuit of rectifier bridge U3 and photoelectrical coupler the U8 composition of model MB10S, the
Four input submodules include the circuit of rectifier bridge U4 and photoelectrical coupler the U9 composition of model MB10S, and specific second inputs
The circuit connection diagram of submodule, the circuit connection diagram of third input submodule and the 4th input submodule and the first input submodule
It is identical, referring specifically to Fig. 5.
In the present embodiment, as shown in fig. 6, the direct current output module 105 includes the optocoupler of model HCP0600
U10, phase inverter U11, amplifier U12 and triode T1, the U10 the 3rd pin connect with the 37th pin of the single-chip microcontroller,
The 3rd pin of the U10 is connect with the 4th pin, and the 6th pin of the U10 passes through the input terminal of resistance R31 and phase inverter U11
The output end of connection, phase inverter U11 is connect by resistance R41 with the non-inverting input terminal of amplifier U12, the reverse phase of amplifier U12
Input terminal is grounded by resistance R71, and the output end of amplifier U12 connects with one end of resistance R51 and one end of capacitor C51 respectively
It connecing, the other end of resistance R51 is connect with the base stage of the other end of capacitor C51, the cathode of diode D11 and triode T1 respectively,
The emitter of triode T1 is connect with the anode of diode D11, and the collector of triode T1 is connect with the cathode of diode D22,
The anode of diode D22 connects to power supply, and is also in series with electricity between the collector of triode T1 and the emitter of triode T1
Hinder R61 and capacitor C41, and cathode output end of the emitter of triode T1 as direct current output module, the reverse phase of amplifier U12
Cathode output end of the input terminal as direct current output module, the cathode output end and cathode output end of the direct current output module with
External detection equipment connection.
Illustratively, the line current range of multifunctional intellectual instrument detection is 0 to 100A, and direct current output module corresponds to defeated
DC current out is 4 to 20MA, if according to precalculate show on route that electric current is 50A when, this multifunctional intellectual instrument pair
The DC current that should be exported is 12mA, then when external detection equipment detects the DC current of the corresponding output of multifunctional intellectual instrument
When for 12mA, indicate that the electric current of this route is 50A.
It should be noted that the network label IOUTA+ and network label IOUTA- in Fig. 6 respectively indicate direct current output mould
The cathode output end and cathode output end of block.
In the present embodiment, as shown in fig. 7, the relay driving module 106 includes three tunnel driven submodules, described in every road
Driven submodule includes that the 1st pin of model TLP521-1 photoelectrical coupler U21 and relay J1, the U21 pass through resistance
R40 is connected to power supply, and the 2nd pin of the U21 is connect with the 12nd pin of the single-chip microcontroller, the 4th pin and electricity of the U21
Source connection, the 3rd pin of the U21 connect with the 1st pin of the J1, the 1st pin of the J1 also respectively with diode D20
Cathode connected with one end of capacitor C40, the other end of capacitor C40 is connect with one end of resistance R50, the other end of resistance R50
It is grounded with the anode of diode D20 and the 2nd pin of the J1；The 4th pin of the J1 and the 5th pin and external alert
Device connection.
It should be noted that in Fig. 7 by taking three driven submodules as an example, respectively the first driven submodule, the second driving
Submodule and third driven submodule, wherein the first driven submodule is above-mentioned model TLP521-1 photoelectrical coupler
The circuit of U21 and relay J1 composition, the second driven submodule includes model TLP521-1 photoelectrical coupler U22 and relay
The circuit of J2 composition, the second driven submodule include the electricity of model TLP521-1 photoelectrical coupler U23 and relay J3 composition
Road, and the circuit connection of the circuit connection diagram and the first driven submodule of specific second driven submodule and third driven submodule
Scheme it is identical, referring specifically to fig. 6.
In the present embodiment, as shown in figure 8, the key press detecting circuit 107 includes key S1, key S2, key S3, key
S4, key S5, key S6, key S7 and key S8, one end of the key S1, one end of the key S2, the key S3
One end, one end of the key S4, one end of the key S5, one end of the key S6, the key S7 one end and
Draw respectively with the 16th pin of the single-chip microcontroller, the 17th pin, the 18th pin, the 19th pin, the 47th one end of the key S8
Foot, the 48th pin, the 49th pin and the connection of the 50th pin, the other end of the key S1, the other end of the key S2, institute
State the other end of key S3, the other end of the key S4, the other end of the key S5, the other end of the key S6, institute
The other end of the other end and the key S8 of stating key S7 is grounded.
In the present embodiment, as shown in figure 9, the state display module 108 includes Light-emitting diode LED 1, light emitting diode
LED, 2, Light-emitting diode LED 3, Light-emitting diode LED 4, Light-emitting diode LED 5 and Light-emitting diode LED 6, described luminous two
The anode of pole pipe LED1 is connected to power supply by resistance R90, and the anode of the Light-emitting diode LED 2 passes through resistance R91 and power supply
Connection, the anode of the Light-emitting diode LED 3 are connected to power supply by resistance R92, and the anode of the Light-emitting diode LED 4 is logical
Resistance R93 to be crossed to connect to power supply, the anode of the Light-emitting diode LED 5 is connected to power supply by resistance R94, and described luminous two
The anode of pole pipe LED6 is connected to power supply by resistance R95, cathode, the light emitting diode of the Light-emitting diode LED 1
The cathode of LED2, the cathode of the Light-emitting diode LED 3, the cathode of the Light-emitting diode LED 4, the light emitting diode
The cathode of LED5 and the cathode of the Light-emitting diode LED 6 draw with the 5th pin of the single-chip microcontroller, the 45th pin, the 30th respectively
Foot, the 34th pin, the 15th pin and the connection of the 44th pin.
In the present embodiment, as shown in Figure 10, the LCD MODULE 109 includes the liquid crystal display of model LM6059B
Device LCD1 and amplifier T5, the emitter of the T5 are connect with the 16th pin of the LCD1, the collector and power supply of the T5
Connection, the base stage of the T5 are connect by resistance R60 with the 28th pin of the single-chip microcontroller, the 1st pin of the LCD1 to the
13 pins draw with the 43rd pin of the single-chip microcontroller, the 42nd pin, the 35th pin, the 31st pin, the 29th pin, the 20th respectively
Foot, the 21st pin, the 22nd pin, the 23rd pin, the 24th pin, the 25th pin, the 26th pin and the connection of the 27th pin.
In the present embodiment, as shown in figure 11,485 chip U30 of the communication module 110 including model MAX485 and
The 1st pin of the inverter U31, the U30 of model SN74HC1G04DBVR pass through resistance R441 and the single-chip microcontroller the
The connection of 33 pins, the 2nd pin of the U30 connect with the 3rd pin of the U30, and the 2nd pin of the U30 with it is described
The 4th pin of U31 connects, and the 2nd pin of the U31 is connect with the 32nd pin of the single-chip microcontroller, the 6th pin of the U30
It is connect with host computer 112 with the 7th pin.
It should be noted that the network label 485A and network label 485B in Figure 11 are connect with host computer.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (10)
1. a kind of multifunctional intellectual instrument, it is characterised in that: include: microcontroller, voltage acquisition module, current acquisition module,
Digital signal input module, direct current output module, relay driving module, LCD MODULE and communication module, the voltage
Acquisition module, current acquisition module and digital signal input module are connect with the input terminal of the microcontroller, the relay
The input terminal of device drive module is connect with the output end of the microcontroller, the output end of the relay driving module and outside
Alarm connection, the LCD MODULE and communication module are connect with the output end of the microcontroller, and the direct current is defeated
The input terminal of module is connect with the output end of the microcontroller out, and the output end of the direct current output module is set with external detection
Standby connection.
2. a kind of multifunctional intellectual instrument according to claim 1, it is characterised in that: further include key press detecting circuit and shape
State indicating module, the key press detecting circuit are connect with the input terminal of the microcontroller, the state indicator module with it is described
The output end of microcontroller connects.
3. a kind of multifunctional intellectual instrument according to claim 2, it is characterised in that: the microcontroller includes single-chip microcontroller
MSP430F5438。
4. a kind of multifunctional intellectual instrument according to claim 3, it is characterised in that: the voltage acquisition module includes type
Number for the first voltage mutual inductor PT1 of PT-2MA/2MA, model PT-2MA/2MA second voltage mutual inductor PT2 and model
The 3rd pin of the amplifier AU1, the PT1 of MCP609 are connect with A phase voltage UA, the 4th pin and B phase voltage UB of the PT1
Connection, the 1st pin of the PT1 are connect with 1.25V power supply, and the 2nd pin of the PT1 passes through the 6th of the resistance R6 and AU1
Pin connection, is connected in parallel to resistance R4 and capacitor C7, the 5th of the AU1 is drawn between the 1st pin of the PT1 and the 2nd pin
Foot is connect by resistance R5 with 1.25V power supply, and the 7th pin of the AU1 is connect by resistance R3 with the 6th pin of the AU1,
The 7th pin of the AU1 is connect with one end of one end of resistance R1 and capacitor C2 respectively, the other end of resistance R1 respectively with capacitor
One end of C1, the cathode of diode WD1 are connected with the 3rd pin of the single-chip microcontroller, the anode of diode WD1, capacitor C1 it is another
The other end of one end and capacitor C2 are grounded；
The 3rd pin of the PT2 is connect with B phase voltage UB, and the 4th pin of the PT2 is connect with C phase voltage UC, the PT2's
1st pin is connect with 1.25V power supply, and the 2nd pin of the PT2 is connect by resistance R22 with the 9th pin of the AU1, described
Resistance R23 and capacitor C5 is connected in parallel between the 1st pin of PT2 and the 2nd pin, the 10th pin of the AU1 passes through resistance
R21 is connect with 1.25V power supply, and the 8th pin of the AU1 is connect by resistance R20 with the 9th pin of the AU1, the AU1
The 8th pin connect respectively with one end of one end of resistance R19 and capacitor C8, the other end of resistance R19 is respectively with capacitor C6's
One end, the cathode of diode WD2 are connected with the 2nd pin of the single-chip microcontroller, the other end of the anode of diode WD2, capacitor C6
It is grounded with the other end of capacitor C8.
5. a kind of multifunctional intellectual instrument according to claim 3, it is characterised in that: the current acquisition module includes point
The first Current Transmit 1, the second Current Transmit 2 and third Current Mutual Inductance in A phase line, B phase line and C phase line are not covered
Device CT3；
The one end on CT1 pair side is connect with 1.25V power supply, and the other end on CT1 pair side draws with the 59th of the single-chip microcontroller
Foot connection, is also parallel with resistance R66 and diac TF1 between the one end and the other end on CT1 pair side；It is described
The one end on CT2 pair side is connect with 1.25V power supply, and the other end on CT2 pair side is connect with the 60th pin of the single-chip microcontroller, institute
It states and is also parallel with resistance R67 and diac TF2 between the one end and the other end on CT2 pair side；The one of CT3 pair side
End is connect with 1.25V power supply, and the other end on CT3 pair side is connect with the 61st pin of the single-chip microcontroller, CT3 pair side
Resistance R68 and diac TF3 are also parallel between one end and the other end.
6. a kind of multifunctional intellectual instrument according to claim 3, it is characterised in that: the digital signal input module packet
Include several input submodules, each input submodule includes the rectifier bridge U1 and photoelectrical coupler U6 of model MB10S, described
The 1st pin of U1 is connect with one end of user's dry contact, and the 2nd pin of the U1 is connect with the other end of user's dry contact, and
The 1st pin of the U1 also passes through varistor YM1 and connect with the 2nd pin of the U1, and the 3rd pin of the U1 passes through resistance
R11 is connect with the 1st pin of the U6, and the 4th pin of the U1 is connect with the 2nd pin of the U6, and the 1st of the U6 is drawn
It is connected in parallel to resistance R15, capacitor CE1 and diode D1 between foot and the 2nd pin, the of the cathode of diode D1 and the U1
The connection of 3 pins, the anode of diode D1 connect with the 4th pin of the U1, and the of the 4th pin of the U6 and the single-chip microcontroller
The connection of 36 pins, and the 4th pin of the U6 also passes through resistance R7 and connects to power supply, the 3rd pin ground connection of the U6.
7. a kind of multifunctional intellectual instrument according to claim 3, it is characterised in that: the direct current output module includes type
Number for the optocoupler U10 of HCP0600, phase inverter U11, amplifier U12 and triode T1, the U10 the 3rd pin with it is described
37th pin of single-chip microcontroller connects, and the 3rd pin of the U10 is connect with the 4th pin, and the 6th pin of the U10 passes through resistance
R31 is connect with the input terminal of phase inverter U11, and the output end of phase inverter U11 passes through the homophase input of resistance R41 and amplifier U12
End connection, the inverting input terminal of amplifier U12 are grounded by resistance R71, and the output end of amplifier U12 is respectively with resistance R51's
One end is connected with one end of capacitor C51, the other end of the resistance R51 cathode with the other end of capacitor C51, diode D11 respectively
Connected with the base stage of triode T1, the emitter of triode T1 is connect with the anode of diode D11, the collector of triode T1 with
The cathode of diode D22 connects, and the anode of diode D22 connects to power supply, and the collector of triode T1 is with triode T1's
Resistance R61 and capacitor C41 are also in series between emitter, and the emitter of triode T1 is defeated as the anode of direct current output module
Outlet, cathode output end of the inverting input terminal of amplifier U12 as direct current output module, the anode of the direct current output module
Output end and cathode output end are connect with external detection equipment.
8. a kind of multifunctional intellectual instrument according to claim 3, it is characterised in that: the relay driving module includes
Three tunnel driven submodules, driven submodule described in every road includes model TLP521-1 photoelectrical coupler U21 and relay J1, institute
The 1st pin for stating U21 is connected to power supply by resistance R40, and the 2nd pin of the U21 and the 12nd pin of the single-chip microcontroller connect
It connects, the 4th pin of the U21 connects to power supply, and the 3rd pin of the U21 is connect with the 1st pin of the J1, the J1's
1st pin is also connect with one end of the cathode of diode D20 and capacitor C40 respectively, and the other end of capacitor C40 is with resistance R50's
The 2nd pin of one end connection, the other end of resistance R50 and the anode of diode D20 and the J1 are grounded；The of the J1
4 pins and the 5th pin are connect with external alert device.
9. a kind of multifunctional intellectual instrument according to claim 3, it is characterised in that: the LCD MODULE includes type
Number the liquid crystal display LCD1 and amplifier T5 that are LM6059B, the emitter of the T5 connect with the 16th pin of the LCD1,
The collector of the T5 connects to power supply, and the base stage of the T5 is connect by resistance R60 with the 28th pin of the single-chip microcontroller, institute
The 1st pin to the 13rd pin for stating LCD1 draws with the 43rd pin of the single-chip microcontroller, the 42nd pin, the 35th pin, the 31st respectively
Foot, the 29th pin, the 20th pin, the 21st pin, the 22nd pin, the 23rd pin, the 24th pin, the 25th pin, the 26th pin and
The connection of 27th pin.
10. a kind of multifunctional intellectual instrument according to claim 3, it is characterised in that: the communication module includes model
The 1st pin for the inverter U31, the U30 of the 485 chip U30 and model SN74HC1G04DBVR of MAX485 passes through electricity
Resistance R441 is connect with the 33rd pin of the single-chip microcontroller, and the 2nd pin of the U30 is connect with the 3rd pin of the U30, and institute
The 2nd pin for stating U30 is connect with the 4th pin of the U31, and the 2nd pin of the U31 and the 32nd pin of the single-chip microcontroller connect
It connects, the 6th pin of the U30 and the 7th pin are connect with host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820365754.0U CN208269960U (en) | 2018-03-19 | 2018-03-19 | A kind of multifunctional intellectual instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820365754.0U CN208269960U (en) | 2018-03-19 | 2018-03-19 | A kind of multifunctional intellectual instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208269960U true CN208269960U (en) | 2018-12-21 |
Family
ID=64675620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820365754.0U Expired - Fee Related CN208269960U (en) | 2018-03-19 | 2018-03-19 | A kind of multifunctional intellectual instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208269960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112010184A (en) * | 2020-09-22 | 2020-12-01 | 长起机器人科技(广东)有限公司 | Intelligent monitoring card and method for monitoring and displaying running state of hoisting equipment |
-
2018
- 2018-03-19 CN CN201820365754.0U patent/CN208269960U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112010184A (en) * | 2020-09-22 | 2020-12-01 | 长起机器人科技(广东)有限公司 | Intelligent monitoring card and method for monitoring and displaying running state of hoisting equipment |
| CN112010184B (en) * | 2020-09-22 | 2022-08-23 | 长起机器人科技(广东)有限公司 | Intelligent monitoring card and method for monitoring and displaying running state of hoisting equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208269960U (en) | A kind of multifunctional intellectual instrument | |
| CN206115221U (en) | Computer control based on singlechip | |
| CN201111010Y (en) | USB bus current detecting device | |
| CN209448490U (en) | A kind of high current fast charging and discharging circuit based on two lines bus | |
| CN107831358A (en) | A kind of current measurement device based on MAX4373HEUA | |
| CN203869730U (en) | Circuit breaker operating mechanism temperature and pressure detection and transmission system based on wireless communication | |
| CN214201589U (en) | Isolated form singlechip alternating current zero crossing signal detection circuitry | |
| CN206379761U (en) | The electric toothbrush wireless charging device that a kind of utilization USB charger is powered | |
| CN210431256U (en) | Photovoltaic grid-connected inverter | |
| CN210431258U (en) | Photovoltaic grid-connected inverter | |
| CN209215902U (en) | A kind of integrated circuit suitable for multiple sensors | |
| CN208459524U (en) | A kind of three-phase motor break detection circuit | |
| CN210431257U (en) | Grid-connected inverter | |
| CN204631788U (en) | A kind of novel three end touch-switchs | |
| CN207636743U (en) | The detection device of concentrator flashlight | |
| CN203720290U (en) | Single-phase electrical parameter fast acquisition module | |
| CN210038065U (en) | Circuit structure capable of judging zero breaking and phase breaking of circuit breaker | |
| CN103869188B (en) | Single-phase electricity parameter Quick Acquisition module | |
| CN206906435U (en) | Test pencil | |
| CN2847304Y (en) | Three phase electronic leakage and electricity stealing detecting electric energy meter | |
| CN206490875U (en) | A kind of photoelectric detection system | |
| CN209055519U (en) | A kind of gas detector output signal separated time bus universal circuit | |
| CN108880343A (en) | A kind of three-phase brushless motor control power supply | |
| CN206564652U (en) | Industrial camera | |
| CN206781538U (en) | The high warning device of locomotive water temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20200319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |