CN204964619U - Intelligent kilo -watt -hour meter - Google Patents
Intelligent kilo -watt -hour meter Download PDFInfo
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- CN204964619U CN204964619U CN201520639334.3U CN201520639334U CN204964619U CN 204964619 U CN204964619 U CN 204964619U CN 201520639334 U CN201520639334 U CN 201520639334U CN 204964619 U CN204964619 U CN 204964619U
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Abstract
The utility model provides an intelligent kilo -watt -hour meter, including singlechip and respectively connected electric energy metering modules, clock chip, power module, dismountable SD card memory, display, button module, pulse acquisition circuit and wireless communication module, electric energy metering modules is connected with voltage transformer and current transformer respectively. The utility model discloses a button on the ammeter not only can demonstrate user's instantaneous power consumption, but also can show the power consumption of certain period. Wireless communication module's use can realize intelligent kilo -watt -hour meter's radio communication, look into like this the staff of ammeter need not be more from house to house the inquiry of visiting, but direct receive wireless signals just can know user's the power consumption condition, relatively conveniently, save time.
Description
Technical field
The utility model relates to a kind of ammeter, especially a kind of intelligent electric meter.
Background technology
Along with the development of computer technology and the communication technology, building intelligent degree is more and more higher.The intelligent meter reading system of house is absolutely necessary in building intelligent.In China, the ammeter of user is still adopted to the method for manual metering.This original look-up method not only causes the waste of human and material resources, bothers resident's normal life, and its low precision, and electric quantity data needs artificial reading can not real-time Transmission.
Summary of the invention
In order to overcome the problems referred to above in prior art, the utility model provides a kind of intelligent electric meter, avoids manual metering, adopts radio transceiver electricity consumption situation, easy to use, and communication distance is far away, communication reliability is high, traffic rate is high.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of intelligent electric meter, comprise single-chip microcomputer and difference connected electric energy metering module, clock chip, power module, detachable SD card memory, display, key-press module, pulse acquisition circuit and wireless communication module, described electric energy metering module is connected to voltage transformer (VT) summation current transformer.
As further preferred, described single-chip microcomputer adopts 80C51 processor.
As further preferred, described electric energy metering module adopts CS5460A chip.Its major function is as follows: have special automatic pin mode capabilities, chip can be made to work alone, auto-initiation when obtaining electric; There is WatchDog Timer and internal electric source monitor in sheet; Accurately can measure the instantaneous voltage of positive and negative both direction, current instantaneous value, voltage effective value, current effective value and power and energy; Provide external reset pin; Bi-directional serial interface can be connected with single-chip microcomputer easily with internal register array; External clock highest frequency can reach 20MHz; There is power direction and export instruction.
As further preferred, the input end of described pulse acquisition circuit is connected with pulse ammeter, and output terminal is connected with the I/O mouth of described single-chip microcomputer; Described pulse acquisition circuit is included in the indicating circuit of series limiting resistor, light emitting diode and switching tube successively between described power module outlet and ground wire, the negative pole of described light emitting diode is connected with the emitter of described switching tube, the grounded collector of described switching tube, connect between described power module outlet and described switching tube base stage pull-up resistor and another current-limiting resistance; Node between described pull-up resistor and another current-limiting resistance is connected with the output plus terminal of described pulse ammeter, the output negativing ending grounding of described pulse ammeter.
As further preferred, described display adopts LCD display chip 1602.
As further preferred, described clock chip adopts DS1302.
As further preferred, Transmit Receive Unit, PCM signaling interface, FM radio unit, Power supply unit, GPIO IO interface and application interface that described wireless communication module comprises GSM chip and is connected respectively with GSM chip, said units and interface to be all arranged on one piece of circuit board and to be encapsulated, and by pin, the external interaction end of each device are drawn package module.
As further preferred, described application interface comprises audio interface, SIM card interface and Universal Asynchronous Receive/dispensing device UART interface.
As further preferably, described GSM chip and Transmit Receive Unit adopt MT6260 chip, support EDGE function, greatly can improve data rate to more than 3 times of existing module.
The beneficial effects of the utility model are: the utility model, by the button on ammeter, not only can demonstrate the instantaneous power consumption of user, and can also show the power consumption of certain period.The use of wireless communication module, can realize the radio communication of intelligent electric meter, and the staff checked the electric meter like this need not inquiry of visiting from house to house again, but directly receives wireless signal, just can recognize the electricity consumption situation of user, more convenient, save time.
In addition, the utility model wireless communication module possesses the data communication function of GPRS/EDGE, and EDGE downlink data peak value can reach 384kb/s, solves the problem that gsm module data communication rates is lower; This module has reserved minimum interface definition, makes module miniaturization, and makes encapsulation and pin pin definitions very be applicable to volume production, can direct SMT paster, without the need to manual welding.The wireless communication module integrated level that the utility model adopts is high, and volume is little, and has good electric property and external interface function, can meet the needs of client well.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the utility model embodiment intelligent electric meter.
Fig. 2 is the circuit connection diagram of electric energy metering module and single-chip microcomputer in Fig. 1.
Fig. 3 is the schematic diagram of pulse acquisition circuit in Fig. 1.
Fig. 4 is the structural representation of wireless communication module in Fig. 1.
What mark in accompanying drawing is described as follows: 1-single-chip microcomputer, 2-electric energy metering module, 3-clock chip, 4-power module, 5-SD card, 6-wireless communication module, 7-pulse acquisition circuit, 8-key-press module, 9-display, 10-voltage transformer (VT), 11-current transformer,
6.1-GSM chip, 6.2-Transmit Receive Unit, 6.3-PCM signaling interface, 6.4-FM radio unit, 6.5-Power supply unit, 6.6-GPIO IO interface, 6.7-application interface, 7.1-pulse ammeter, A-output plus terminal, B-export negative terminal.
Embodiment
The realization of the utility model object, functional characteristics and beneficial effect, be described further below in conjunction with specific embodiment and accompanying drawing.
Below in conjunction with the drawings and specific embodiments, technical scheme described in the utility model is described in further detail, to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1-2, the utility model embodiment intelligent electric meter, comprise single-chip microcomputer 1 and difference connected electric energy metering module 2, clock chip 3, power module 4, detachable SD card memory 5, wireless communication module 6, pulse acquisition circuit 7, key-press module 8 and display 9, described electric energy metering module 2 is connected to voltage transformer (VT) 10 summation current transformer 11.
Described single-chip microcomputer 1 adopts 80C51 processor.Described display 9 adopts LCD display chip 1602.Described clock chip 3 adopts DS1302.
Described electric energy metering module 2 adopts CS5460A chip.Its major function is as follows: have special automatic pin mode capabilities, chip can be made to work alone, auto-initiation when obtaining electric; There is WatchDog Timer and internal electric source monitor in sheet; Accurately can measure the instantaneous voltage of positive and negative both direction, current instantaneous value, voltage effective value, current effective value and power and energy; Provide external reset pin; Bi-directional serial interface can be connected with single-chip microcomputer easily with internal register array; External clock highest frequency can reach 20MHz; There is power direction and export instruction.
As shown in Figure 3, the input end of described pulse acquisition circuit 7 is connected with pulse ammeter 7.1, and output terminal is connected with the I/O mouth of described single-chip microcomputer 1; Described pulse acquisition circuit 7 is included in the indicating circuit of series limiting resistor, light emitting diode and switching tube successively between described power module outlet and ground wire, the negative pole of described light emitting diode is connected with the emitter of described switching tube, the grounded collector of described switching tube, connect between described power module outlet and described switching tube base stage pull-up resistor and another current-limiting resistance; Node between described pull-up resistor and another current-limiting resistance is connected with the output plus terminal A of described pulse ammeter, the output negative terminal B ground connection of described pulse ammeter.
As shown in Figure 4, Transmit Receive Unit 6.2, PCM signaling interface 6.3, FM radio unit 6.4, Power supply unit 6.5, GPIO IO interface 6.6 and application interface 6.7 that described wireless communication module 6 comprises GSM chip 6.1 and is connected respectively with GSM chip 6.1, said units and interface to be all arranged on one piece of circuit board and to be encapsulated, and by pin, the external interaction end of each device are drawn package module.
Described Transmit Receive Unit 6.2 comprises power amplifier PA and the on-off circuit SWITCH of radio frequency.
Described application interface 6.7 comprises audio interface, SIM card interface and Universal Asynchronous Receive/dispensing device (UART) interface, signal lamp interface.
Described Transmit Receive Unit 6.2 arranges a test bench as antennal interface, is used for external antenna.
Described GSM chip 6.1 and Transmit Receive Unit 6.2 adopt MT6260 chip, support EDGE function, greatly can improve data rate to more than 3 times of existing module.
Described package module adopts the dimensional structure of 30.2mm*21mm*2.4mm (the wide * of long * is high), and the fixed form of module is direct SMT paster.
Claims (9)
1. an intelligent electric meter, it is characterized in that: comprise single-chip microcomputer and difference connected electric energy metering module, clock chip, power module, detachable SD card memory, display, key-press module, pulse acquisition circuit and wireless communication module, described electric energy metering module is connected to voltage transformer (VT) summation current transformer.
2. intelligent electric meter according to claim 1, is characterized in that: described single-chip microcomputer adopts 80C51 processor.
3. intelligent electric meter according to claim 1, is characterized in that: described electric energy metering module adopts CS5460A chip.
4. intelligent electric meter according to claim 1, is characterized in that: the input end of described pulse acquisition circuit is connected with pulse ammeter, and output terminal is connected with the I/O mouth of described single-chip microcomputer; Described pulse acquisition circuit is included in the indicating circuit of series limiting resistor, light emitting diode and switching tube successively between described power module outlet and ground wire, the negative pole of described light emitting diode is connected with the emitter of described switching tube, the grounded collector of described switching tube, connect between described power module outlet and described switching tube base stage pull-up resistor and another current-limiting resistance; Node between described pull-up resistor and another current-limiting resistance is connected with the output plus terminal of described pulse ammeter, the output negativing ending grounding of described pulse ammeter.
5. intelligent electric meter according to claim 1, is characterized in that: described display adopts LCD display chip 1602.
6. intelligent electric meter according to claim 1, is characterized in that: described clock chip adopts DS1302.
7. intelligent electric meter according to claim 1, it is characterized in that: Transmit Receive Unit, PCM signaling interface, FM radio unit, Power supply unit, GPIO IO interface and application interface that described wireless communication module comprises GSM chip and is connected respectively with GSM chip, said units and interface to be all arranged on one piece of circuit board and to be encapsulated, and by pin, the external interaction end of each device are drawn package module.
8. intelligent electric meter according to claim 7, is characterized in that: described application interface comprises audio interface, SIM card interface and Universal Asynchronous Receive/dispensing device UART interface.
9. intelligent electric meter according to claim 7, is characterized in that: described GSM chip and Transmit Receive Unit adopt MT6260 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639334.3U CN204964619U (en) | 2015-08-24 | 2015-08-24 | Intelligent kilo -watt -hour meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639334.3U CN204964619U (en) | 2015-08-24 | 2015-08-24 | Intelligent kilo -watt -hour meter |
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| Publication Number | Publication Date |
|---|---|
| CN204964619U true CN204964619U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520639334.3U Expired - Fee Related CN204964619U (en) | 2015-08-24 | 2015-08-24 | Intelligent kilo -watt -hour meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137170A (en) * | 2015-08-24 | 2015-12-09 | 湖州高鼎智能科技有限公司 | Intelligent ammeter |
-
2015
- 2015-08-24 CN CN201520639334.3U patent/CN204964619U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137170A (en) * | 2015-08-24 | 2015-12-09 | 湖州高鼎智能科技有限公司 | Intelligent ammeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160824 |