CN209673871U - Single phase electronic type compound fee interest - Google Patents
Single phase electronic type compound fee interest Download PDFInfo
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- CN209673871U CN209673871U CN201821303332.7U CN201821303332U CN209673871U CN 209673871 U CN209673871 U CN 209673871U CN 201821303332 U CN201821303332 U CN 201821303332U CN 209673871 U CN209673871 U CN 209673871U
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Abstract
The utility model discloses a kind of single phase electronic type compound fee interests, it is characterized in that: including sample circuit, battery power supply, communication module, Far-infrared communication and controller, the sample circuit output end and the input terminal of metering chip connect, the output end of the controller is connected with liquid crystal display, LED backlight, the sample circuit includes current sample and voltage sample, the battery power supply is powered controller, the communication module and Far-infrared communication with controller both-way communication, it is reliable continuous data can be played, stability is good, overload capacity is strong, the technical effect of high reliablity.
Description
Technical field
The utility model belongs to electric energy list area, more specifically, it is related to single phase electronic type compound fee interest.
Background technique
Single-phase electric energy meter is the instrument for measuring electrical equipment consumption electric energy.It was divided into mechanical electric energy originally according to sampling
Table, electronic electric energy meter and electromechanical electric energy meter, when in use, continuous data is unreliable, steady for existing electric energy meter
The features such as qualitative bad, overload capacity is weak, reliability is low.
Utility model content
In view of the deficienciess of the prior art, that the purpose of this utility model is to provide a kind of continuous datas is reliable, stablizes
Property is good, overload capacity is strong, the electric energy meter of high reliablity.
To achieve the above object, the utility model provides following technical solution: a kind of electronic single-phase multi tariff electric energy
Table, including the power supply of sample circuit, battery, communication module, Far-infrared communication and controller, the sample circuit output end and meter
The input terminal connection of chip is measured, the output end of the controller is connected with liquid crystal display, LED backlight, and the sample circuit includes
Current sample and voltage sample, the battery power supply are powered controller, and the communication module and Far-infrared communication are equal
With controller both-way communication.
It is preferred that are as follows: the current sample include first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance,
One end of first capacitor, the second capacitor, the port I1+ and the port I1-, the first resistor is connect with the port I1+, the other end with
The connection of the port I1-, one end of the second resistance connect with the port I1+, and the other end is grounded, one end of the 3rd resistor and
The connection of the port I1-, other end ground connection, one end of the 4th resistance are connect with the port I1+, the end IPA of the other end and controller
Mouth connection, one end of the 5th resistance are connect with the port I1-, the port the IAN connection of the other end and controller, and described first
One end of capacitor and the port IPA of controller connect, other end ground connection, one end of second capacitor and the end IAN of controller
Mouth connection, other end ground connection.
It is preferred that are as follows: the voltage sample include the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance,
Eleventh resistor, twelfth resistor, thirteenth resistor, the 14th resistance, the 15th resistance, the 16th resistance, third capacitor,
Four capacitors, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, eleventh resistor, the 12nd electricity
Resistance, thirteenth resistor, the 14th resistance are sequentially connected in series, the 14th resistance one end and controller far from thirteenth resistor
The connection of the end UP, one end of the 15th resistance and the end UP of controller connect, other end ground connection, one end of the third capacitor
It is connect with the end UP of controller, other end ground connection, one end of the 4th capacitor and the end UN of controller connect, another termination
Ground, one end of the 16th resistance and the end UN of controller connect, other end ground connection.
It is preferred that are as follows: the communication module includes the 17th resistance, the 18th resistance, the 19th resistance, the 20th resistance, the
One end of 21 resistance, photoelectrical coupler, the first triode and power supply, the 17th resistance connects to power supply, another
End connect with the input terminal of photoelectrical coupler, the end the P2.1 connection of one end of the 18th resistance and controller, the other end and
The input terminal of photoelectrical coupler connects, and one end of the 19th resistance and the end P2.0 of controller connect, the other end and photoelectricity
The output end of coupler connects, and one end of the 20th resistance and the output end of photoelectrical coupler connect, the other end the one or three
The collector terminal of pole pipe connects, and one end of the 21st resistance is connect with the collector terminal of the first triode, another termination
Ground, the emitter ground connection of first triode, the base terminal of first triode and the end P2.0 of controller connect.
It is preferred that are as follows: the Far-infrared communication includes infrared receiver chip, the 22nd resistance, the 23rd resistance and
Five capacitors, one end of the 22nd resistance and the end P2.4 of controller connect, and the end P29.5 of the other end and controller connects
It connects, one end of the 23rd resistance and the end P29.5 of controller connect, and the end VCC of the other end and infrared receiver chip connects
It connects, one end of the 5th capacitor and the end VCC of infrared receiver chip connect, other end ground connection, the infrared receiver chip
The connection of the end P2.4 of OUT terminal and controller, the ground terminal ground connection of the infrared receiver chip.
It is preferred that are as follows: the model IR1838 of the infrared receiver chip.
It is preferred that are as follows: the battery power supply includes battery pack, K1 interface, the 24th resistance, first diode and second
The positive terminal of diode, the battery is connect with K1 interface, other end ground connection, the one end of the K1 interface far from battery pack and the
The connection of 24 resistance, the anode connection of the 24th resistance one end and first diode far from K1 interface, described the
The negative pole end of one diode and the end BAT of controller connect, the anode of the positive terminal of the first diode and the second diode
End connection, the negative pole end of second diode and the end VCU of controller connect.
It is preferred that are as follows: the LED backlight include the 6th capacitor of backlight chip, the 25th resistance, the 26th resistance and
The end VCC of second triode, the backlight chip is connect with the collector terminal of the second triode, the transmitting of second triode
Pole connects to power supply, and the base terminal of second triode is connect with the 26th resistance, and the 26th resistance is far from
One end of two triodes connects to power supply, and one end of the 25th resistance is connect with the base terminal of the second triode, another
End is connect with the end P8.1 of controller, and one end of the 6th capacitor and the end VCC of backlight chip connect, other end ground connection, institute
The end A0, the end A2, the end GND, the end WC for stating backlight chip are grounded, and the end A1 of the backlight chip and the end VCE of controller connect,
The end SCL of the backlight chip and the end P9.2 of controller connect, and the end SDA of the backlight chip and the end P9.1 of controller connect
It connects.
It is preferred that are as follows: the liquid crystal display includes LCD chip, the 7th capacitor, the 8th capacitor.9th capacitor, the tenth capacitor,
One end of 11 capacitors and the 12nd capacitor, the 7th capacitor is connect with the end COM0 on LCD chip, the 8th electricity
The end COM1 on one end and LCD chip of appearance connects, the end the COM2 connection on one end and LCD chip of the 9th capacitor, institute
The end COM3 stated on one end and LCD chip of the tenth capacitor connects, on one end of the 11st capacitor and LCD chip
The end COM4 connects, the end the COM4 connection on one end and LCD chip of the 12nd capacitor, the end SEG0 on the LCD chip
It is connect with the end P5.0 on control chip, the end SEG1 on the LCD chip is connect with the end P5.1 on control chip, described
The end SEG2 on LCD chip is connect with the end P5.2 on control chip, on the end SEG3 on the LCD chip and control chip
The connection of the end P5.3, the end SEG4 on the LCD chip is connect with the end P5.4 controlled on chip, on the LCD chip
The end SEG5 is connect with the end P5.5 on control chip, and the end P5.6 on the end SEG6 on the LCD chip and control chip connects
It connects, the end SEG7 on the LCD chip is connect with the end P5.7 on control chip, the end SEG8 on the LCD chip and control
The end P5.8 on chip connects, and the end SEG9 on the LCD chip is connect with the end P5.9 on control chip, the LCD chip
On the end SEG10 with control chip on the end P6.0 connect, the end SEG11 on the LCD chip with control chip on P6.1
End connects, and the end SEG12 on the LCD chip is connect with the end P6.2 on control chip, the end SEG13 on the LCD chip
It is connect with the end P6.3 on control chip, the end SEG14 on the LCD chip is connect with the end P6.4 on control chip, described
The end SEG15 on LCD chip is connect with the end P6.5 on control chip.It is preferred that are as follows: the model V981S of the controller.
The beneficial effects of the utility model are: using digital sample processing technique and SMT technique, according to the practical electricity consumption of resident
Situation is designed, manufactures, which has the remarkable advantages such as measurement accuracy is high, stability is good, overload capacity is strong, reliability is high.It can
Advanced, reliable metering outfit is provided for power department.
Detailed description of the invention
Fig. 1 is a kind of working principle block diagram of single phase electronic type compound fee interest of the utility model；
Fig. 2 is current sample schematic diagram；
Fig. 3 is voltage sample schematic diagram；
Fig. 4 is communication module schematic diagram；
Fig. 5 is Far-infrared communication schematic diagram；
Fig. 6 is battery power supply the principle figure；
Fig. 7 is LED backlight schematic diagram；
Fig. 8 is liquid crystal display principle figure
Fig. 9 is controller principle figure.
In figure: 1, controller；2, first resistor；3, second resistance；4,3rd resistor；5, the 4th resistance；6, the 5th resistance；
7, first capacitor；8, the second capacitor；9, the 6th resistance；10, the 7th resistance；11, the 8th resistance；12, the 9th resistance；13, the tenth
Resistance；14, eleventh resistor；15, twelfth resistor；16, thirteenth resistor；17, the 14th resistance；18, the 15th resistance；
19, the 16th resistance；20, third capacitor；21, the 4th capacitor；22, the 17th resistance；23, the 18th resistance；24, the 19th electricity
Resistance；25, the 20th resistance；26, the 21st resistance；27, photoelectrical coupler；28, the first triode；29, infrared receiver chip；
30, the 22nd resistance；31, the 23rd resistance；32, the 5th capacitor；33, battery pack；34, K1 interface；35, the 24th
Resistance；36, first diode；37, the second diode；38, backlight chip；39, the 6th capacitor；40, the 25th resistance；41,
26th resistance；42, the second triode；43, LCD chip；44, the 7th capacitor；45, the 8th capacitor；46, the 9th capacitor；
47, the tenth capacitor；48, the 11st capacitor；49, the 12nd capacitor.
Specific embodiment
Referring to figs. 1 to shown in Fig. 9, a kind of single phase electronic type compound fee interest that present case is implemented, including sample circuit,
Battery power supply, communication module, Far-infrared communication and controller 1, the input terminal of the sample circuit output end and metering chip
Connection, the output end of the controller 1 are connected with liquid crystal display, LED backlight, and the sample circuit includes current sample and voltage
Sampling, the battery power supply are powered controller 1, and the communication module and Far-infrared communication are two-way with controller 1
Communication.
The current sample includes first resistor 2, second resistance 3,3rd resistor 4, the 4th resistance 5, the 5th resistance 6,
One capacitor 7, the second capacitor 8, the port I1+ and the port I1-, one end of the first resistor 2 are connect with the port I1+, the other end
It is connect with the port I1-, one end of the second resistance 3 is connect with the port I1+, other end ground connection, one end of the 3rd resistor 4
It is connect with the port I1-, other end ground connection, one end of the 4th resistance 5 is connect with the port I1+, the other end and controller 1
The connection of the port IPA, one end of the 5th resistance 6 are connect with the port I1-, and the other end is connect with the port IAN of controller 1,
One end of the first capacitor 7 is connect with the port IPA of controller 1, other end ground connection, one end of second capacitor 8 and control
The port IAN of device 1 processed connects, other end ground connection.
The voltage sample includes the 6th resistance 9, the 7th resistance 10, the 8th resistance 11, the 9th resistance 12, the tenth resistance
13, eleventh resistor 14, twelfth resistor 15, thirteenth resistor 16, the 14th resistance 17, the 18, the 16th electricity of the 15th resistance
Hinder 19, third capacitor 20, the 4th capacitor 21, the 6th resistance 9, the 7th resistance 10, the 8th resistance 11, the 9th resistance 12, the
Ten resistance 13, eleventh resistor 14, twelfth resistor 15, thirteenth resistor 16, the 14th resistance 17 are sequentially connected in series, and the described tenth
The one end of four resistance 17 far from thirteenth resistor 16 is connect with the end UP of controller 1, one end of the 15th resistance 18 and control
The end UP of device 1 processed connects, and other end ground connection, one end of the third capacitor 20 is connect with the end UP of controller 1, another termination
The one end on ground, the 4th capacitor 21 is connect with the end UN of controller 1, other end ground connection, one end of the 16th resistance 19
It is connect with the end UN of controller 1, other end ground connection.
The communication module include the 17th resistance 22, the 18th resistance 23, the 19th resistance 24, the 20th resistance 25,
21st resistance 26, photoelectrical coupler 27, the first triode 28 and power supply, one end of the 17th resistance 22 and power supply
Connection, the other end are connect with the input terminal of photoelectrical coupler 27, one end of the 18th resistance 23 and the end P2.1 of controller 1
Connection, the other end are connect with the input terminal of photoelectrical coupler 27, one end of the 19th resistance 24 and the P2.0 of controller 1
End connection, the other end are connect with the output end of photoelectrical coupler 27, one end of the 20th resistance 25 and photoelectrical coupler 27
Output end connection, the first triode of the other end 28 collector terminal connection, one end and first of the 21st resistance 26
The collector terminal of triode 28 connects, other end ground connection, the emitter ground connection of first triode 28, first triode
28 base terminal is connect with the end P2.0 of controller 1.
The infrared communication includes infrared receiver chip 29, the 22nd resistance 30, the 23rd resistance 31 and the 5th
One end of capacitor 32, the 22nd resistance 30 is connect with the end P2.4 of controller 1, the end P29.5 of the other end and controller 1
Connection, one end of the 23rd resistance 31 are connect with the end P29.5 of controller 1, the other end and infrared receiver chip 29
The connection of the end VCC, one end of the 5th capacitor 32 are connect with the end VCC of infrared receiver chip 29, other end ground connection, described infrared
The OUT terminal for receiving chip 29 is connect with the end P2.4 of controller 1, the ground terminal ground connection of the infrared receiver chip 29.
Battery power supply includes battery pack 33, K1 interface 34, the 24th resistance 35, first diode 36 and the
The positive terminal of two diodes 37, the battery is connect with K1 interface 34, and other end ground connection, the K1 interface 34 is far from battery pack 33
One end connect with the 24th resistance 35, the one end of the 24th resistance 35 far from K1 interface 34 and first diode 36
Anode connection, the negative pole end of the first diode 36 connect with the end BAT of controller 1, and the first diode 36 is just
It is extremely connect with the positive terminal of the second diode 37, the negative pole end of second diode 37 is connect with the end VCU of controller 1.
The LED backlight include backlight chip 38, the 6th capacitor 39, the 25th resistance 40, the 26th resistance 41 with
And second triode 42, the end VCC of the backlight chip 38 are connect with the collector terminal of the second triode 42, the described 2nd 3
The emitter of pole pipe 42 connects to power supply, and the base terminal of second triode 42 is connect with the 26th resistance 41, and described
26 resistance 41 are connected to power supply far from one end of the second triode 42, one end and the two or three of the 25th resistance 40
The base terminal of pole pipe 42 connects, and the other end is connect with the end P8.1 of controller 1, one end of the 6th capacitor 39 and backlight core
The end VCC of piece 38 connects, and other end ground connection, the end A0, the end A2, the end GND, the end WC of the backlight chip 38 is grounded, the back
The end A1 of optical chip 38 is connect with the end VCE of controller 1, and the end SCL of the backlight chip 38 and the end P9.2 of controller 1 connect
It connects, the end SDA of the backlight chip 38 is connect with the end P9.1 of controller 1.
The liquid crystal display includes LCD chip 43, the 7th capacitor 44, the 8th capacitor 45.9th capacitor 46, the tenth capacitor
47, the 11st capacitor 48 and the 12nd capacitor 49, one end of the 7th capacitor 44 and the end COM0 on LCD chip 43 connect
It connects, one end of the 8th capacitor 45 is connect with the end COM1 on LCD chip 43, one end of the 9th capacitor 46 and LCD core
The end COM2 connection on piece 43, one end of the tenth capacitor 47 are connect with the end COM3 on LCD chip 43, and the described 11st
One end of capacitor 48 is connect with the end COM4 on LCD chip 43, on one end of the 12nd capacitor 49 and LCD chip 43
The end COM4 connects, and the end SEG0 on the LCD chip 43 is connect with the end P5.0 on control chip, on the LCD chip 43
The end SEG1 is connect with the end P5.1 on control chip, and the end P5.2 on the end SEG2 on the LCD chip 43 and control chip connects
Connect, the end SEG3 on the LCD chip 43 with control chip on the end P5.3 connect, the end SEG4 on the LCD chip 43 and
The end the P5.4 connection on chip is controlled, the end SEG5 on the LCD chip 43 is connect with the end P5.5 on control chip, described
The end SEG6 on LCD chip 43 is connect with the end P5.6 on control chip, the end SEG7 on the LCD chip 43 and control core
The end P5.7 of on piece connects, and the end SEG8 on the LCD chip 43 is connect with the end P5.8 on control chip, the LCD chip
The end SEG9 on 43 is connect with the end P5.9 on control chip, on the end SEG10 on the LCD chip 43 and control chip
The end P6.0 connects, and the end SEG11 on the LCD chip 43 is connect with the end P6.1 on control chip, on the LCD chip 43
The end SEG12 is connect with the end P6.2 on control chip, the end P6.3 on the end SEG13 on the LCD chip 43 and control chip
It connects, the end SEG14 on the LCD chip 43 is connect with the end P6.4 on control chip, the SEG15 on the LCD chip 43
It holds and is connect with the end P6.5 on control chip.
The model IR1838 of the infrared receiver chip 29.The model V981S of the controller 1.
1. specifications and models and technical indicator
Specifications and models and meter constant
Rated frequency 50Hz
Overall dimensions 136mm*193mm*70mm
The active 0.004Ib of starting current
Electric parameter
Weather conditions
Technical parameter
2. functional characteristics
2.1. function of measuring
1) forward and reverse total and a rate active energy is measured；
2) current and history 12 months positive and negative active total electric energy and each rate electric energy are recorded；
3) the forward and reverse active maximum demand of time-sharing measurement and time of origin；
4) current and history 12 months positive and negative active maximum demands and its time of origin are recorded；
5) the maximum demand period 5,10,15,30,60 minutes it is optional.
2.2. multi tariff function
1) may be programmed 4 kinds of rates, 14 periods, segment table when 8 day, 4 year time zone；
2) week stops and can be separately provided day, and segment table when capable of configuring used；
3) public holiday can be separately provided, and segment table when used in capable of configuring；
4) ammeter has 2 sets of time-pieces and 2 sets of period day table functions；
5) RTC clock, calendar, timing and profit year automatic switching function are used, and has temperature compensation function.
2.3. display function
1) liquid crystal display is used；
2) there is parameter automatic wheel display function, take turns aobvious parameter and time, sequentially can arbitrarily be arranged；
3) there is key display function, show that content and sequence can be arbitrarily arranged；
4) remote control wheel display function: using remote controler (see appendix C IR remote controller diagram), remote controller key is pressed, is shown
Project shows next item data according to Rotation Item, and when first time remote keying lights backlight, and shows Rotation Item first item, does not have
After having remote keying 60s, backlight is extinguished, and takes turns display since taking turns aobvious first item.
5) current positive active total amount (1.8.0) is only shown after having a power failure, the display time is settable, the display time to it is rear automatically
Display screen is closed, is no longer waken up；
6) have backlight function, under normal electrifying condition, backlight, power failure Shi Budian can be lighted by key or remote controler
Bright backlight.
2.4. ammeter key
1) there is a display turnover key；
2) there is a programming key, cooperate the priority assignation of user management, complete the operation such as ammeter Parameter Programming；
2.5. communication function
1) ammeter has Far-infrared communication interface all the way, meets IEC62056-21 communication protocol；
2) ammeter has 1 road wireless module interface；
2.6. output function
1) has active flashlight output function；
2) there is load controlling function；
2.7. event recording function
1) have Event Log writing function, 256 events of dominant record；
2) record event has: power on, power down, modification time, over-voltage, under-voltage, programming, game clock lid, the beginning lid, electric current it is anti-
It is disconnected to, relay, relay is attracted etc..
2.8.Register read out function
1) have Register Readout function, 100 Registers at most can be set；
2.9. load curve records
1) ammeter can recorde most 7 channel datas, settable record data are as follows: positive active energy reversely has
Function electric energy, voltage, electric current, power factor, positive active power, reversed active power；Load curve logging mode word is shown in annex
B。
2) the load record time may be configured as: 1,15,30,45,60,90 minutes.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (8)
1. a kind of single phase electronic type compound fee interest, it is characterised in that: including sample circuit, battery power supply, communication module, remote
The input terminal of infrared communication and controller, the sample circuit output end and metering chip connects, the output of the controller
End is connected with liquid crystal display, LED backlight, and the sample circuit includes current sample and voltage sample, and the battery power supply is to control
Device processed is powered, and with controller both-way communication, the current sample includes for the communication module and Far-infrared communication
One resistance, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, first capacitor, the second capacitor, the port I1+ and the end I1-
Mouthful, one end of the first resistor is connect with the port I1+, and the other end is connect with the port I1-, one end of the second resistance and I1
The connection of+port, other end ground connection, one end of the 3rd resistor are connect with the port I1-, other end ground connection, the 4th resistance
One end connect with the port I1+, the connection of the port IPA of the other end and controller, one end of the 5th resistance with the port I1-
The port IAN of connection, the other end and controller connects, and one end of the first capacitor and the port IPA of controller connect, another
The port IAN of end ground connection, one end of second capacitor and controller connects, other end ground connection, and the voltage sample includes the
Six resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, eleventh resistor, twelfth resistor, thirteenth resistor,
14th resistance, the 15th resistance, the 16th resistance, third capacitor, the 4th capacitor, the 6th resistance, the 7th resistance, the 8th
Resistance, the 9th resistance, the tenth resistance, eleventh resistor, twelfth resistor, thirteenth resistor, the 14th resistance are sequentially connected in series, institute
State the end the UP connection of the 14th resistance one end and controller far from thirteenth resistor, one end of the 15th resistance and control
The end UP of device processed connects, other end ground connection, and one end of the third capacitor and the end UP of controller connect, other end ground connection, institute
The end UN of one end and controller for stating the 4th capacitor connects, other end ground connection, one end of the 16th resistance and controller
The connection of the end UN, other end ground connection.
2. single phase electronic type compound fee interest according to claim 1, it is characterised in that: the communication module includes the
17 resistance, the 18th resistance, the 19th resistance, the 20th resistance, the 21st resistance, photoelectrical coupler, the first triode
And power supply, one end of the 17th resistance connect to power supply, the connection of the input terminal of the other end and photoelectrical coupler, described the
One end of 18 resistance and the end P2.1 of controller connect, and the input terminal of the other end and photoelectrical coupler connects, and the described 19th
One end of resistance and the end P2.0 of controller connect, and the output end of the other end and photoelectrical coupler connects, the 20th resistance
One end and the output end of photoelectrical coupler connect, the connection of the collector terminal of the first triode of the other end, the 21st electricity
One end of resistance is connect with the collector terminal of the first triode, other end ground connection, the emitter ground connection of first triode, described
The base terminal of first triode and the end P2.0 of controller connect.
3. single phase electronic type compound fee interest according to claim 2, it is characterised in that: the Far-infrared communication includes
Infrared receiver chip, the 22nd resistance, the 23rd resistance and the 5th capacitor, one end of the 22nd resistance and control
The end P2.4 of device processed connects, and the end P29.5 of the other end and controller connects, one end of the 23rd resistance and controller
The end VCC of the connection of the end P29.5, the other end and infrared receiver chip connects, one end of the 5th capacitor and infrared receiver chip
The connection of the end VCC, the end P2.4 of other end ground connection, the OUT terminal of the infrared receiver chip and controller connects, described infrared to connect
Receive the ground terminal ground connection of chip.
4. single phase electronic type compound fee interest according to claim 3, it is characterised in that: the infrared receiver chip
Model IR1838.
5. single phase electronic type compound fee interest according to claim 4, it is characterised in that: the battery power supply includes electricity
Pond group, K1 interface, the 24th resistance, first diode and the second diode, the positive terminal and K1 interface of the battery connect
It connects, other end ground connection, the one end of the K1 interface far from battery pack is connect with the 24th resistance, and the 24th resistance is remote
The anode connection of one end and first diode from K1 interface, the negative pole end of the first diode and the end BAT of controller connect
It connects, the positive terminal of the first diode is connect with the positive terminal of the second diode, the negative pole end of second diode and control
The end VCU of device processed connects.
6. single phase electronic type compound fee interest according to claim 5, it is characterised in that: the LED backlight includes back
Optical chip, the 6th capacitor, the 25th resistance, the 26th resistance and the second triode, the end VCC of the backlight chip with
The collector terminal of second triode connects, and the emitter of second triode connects to power supply, the base of second triode
Extremely it is connect with the 26th resistance, the 26th resistance is connected to power supply far from one end of the second triode, and described
One end of 25 resistance is connect with the base terminal of the second triode, the end the P8.1 connection of the other end and controller, and the described 6th
One end of capacitor and the end VCC of backlight chip connect, other end ground connection, the end A0, the end A2, the end GND, the end WC of the backlight chip
It is grounded, the end VCE of the end A1 of the backlight chip and controller connects, the end SCL of the backlight chip and controller
The connection of the end P9.2, the end SDA of the backlight chip and the end P9.1 of controller connect.
7. single phase electronic type compound fee interest according to claim 6, it is characterised in that: the liquid crystal display includes
LCD chip, the 7th capacitor, the 8th capacitor, the 9th capacitor, the tenth capacitor, the 11st capacitor and the 12nd capacitor, the described 7th
The end COM0 on one end and LCD chip of capacitor connects, the end the COM1 connection on one end and LCD chip of the 8th capacitor,
The end COM2 on one end and LCD chip of 9th capacitor connects, the COM3 on one end and LCD chip of the tenth capacitor
End connects, the end the COM4 connection on one end and LCD chip of the 11st capacitor, one end of the 12nd capacitor and LCD
The end COM4 on chip connects, and the end SEG0 on the LCD chip is connect with the end P5.0 on control chip, the LCD chip
On the end SEG1 with control chip on the end P5.1 connect, the end SEG2 on the LCD chip with control chip on the end P5.2
It connects, the end SEG3 on the LCD chip is connect with the end P5.3 on control chip, the end SEG4 on the LCD chip and control
The end P5.4 of coremaking on piece connects, and the end SEG5 on the LCD chip is connect with the end P5.5 on control chip, the LCD core
The end SEG6 of on piece is connect with the end P5.6 on control chip, the P5.7 on the end SEG7 on the LCD chip and control chip
End connection, the end SEG8 on the LCD chip are connect with the end P5.8 on control chip, the end SEG9 on the LCD chip and
The end the P5.9 connection on chip is controlled, the end SEG10 on the LCD chip is connect with the end P6.0 on control chip, the LCD
The end SEG11 on chip is connect with the end P6.1 on control chip, on the end SEG12 on the LCD chip and control chip
The end P6.2 connects, and the end SEG13 on the LCD chip is connect with the end P6.3 on control chip, on the LCD chip
The end SEG14 is connect with the end P6.4 on control chip, and the end P6.5 on the end SEG15 on the LCD chip and control chip connects
It connects.
8. single phase electronic type compound fee interest according to claim 7, it is characterised in that: the model of the controller
V981S。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821303332.7U CN209673871U (en) | 2018-08-14 | 2018-08-14 | Single phase electronic type compound fee interest |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821303332.7U CN209673871U (en) | 2018-08-14 | 2018-08-14 | Single phase electronic type compound fee interest |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117572078A (en) * | 2024-01-15 | 2024-02-20 | 中国铁塔股份有限公司 | Electric energy meter, electric quantity metering system and electric quantity metering exchange method |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117572078A (en) * | 2024-01-15 | 2024-02-20 | 中国铁塔股份有限公司 | Electric energy meter, electric quantity metering system and electric quantity metering exchange method |
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