CN112185095A - Intelligent air switch for remote meter reading - Google Patents
Intelligent air switch for remote meter reading Download PDFInfo
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- CN112185095A CN112185095A CN202011177429.XA CN202011177429A CN112185095A CN 112185095 A CN112185095 A CN 112185095A CN 202011177429 A CN202011177429 A CN 202011177429A CN 112185095 A CN112185095 A CN 112185095A
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- 230000008054 signal transmission Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 14
- 238000009825 accumulation Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000006855 networking Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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Abstract
The application provides an intelligent air switch of long-range meter reading, include: pulse acquisition circuit, single chip module and communication circuit, pulse acquisition circuit is: infrared pulse acquisition circuit or/and level pulse acquisition circuit, pulse acquisition circuit is connected with single chip module's input, and single chip module's output and communication circuit are connected, infrared pulse acquisition circuit perception and the infrared pulse output signal of synchronous collection ammeter, level pulse acquisition circuit and the interface connection of ammeter, the level pulse output signal of synchronous collection ammeter, single chip module with infrared pulse signal, or level pulse signal conversion for the power consumption, communication circuit will use the power consumption signal transmission to transmit the surveillance center of power consumption management department or operation department. The method realizes accurate and real-time remote meter reading, has low equipment cost and installation cost, and is convenient for upgrading the power consumption management system.
Description
Technical Field
The invention relates to the technical field of switch control, in particular to an intelligent air switch for remote meter reading.
Background
An intelligent air switch, also called an intelligent air switch or an intelligent air circuit breaker, can be automatically switched off as long as the current in a circuit exceeds the rated current, has the functions of cutting off and switching on a power supply, and generally has the functions of overcurrent and overvoltage automatic tripping. The intelligent air switch is widely applied to low-voltage power distribution networks, electric power dragging systems, overhead line power transmission, wireless signal base stations and overhead line power supply circuits.
The remote meter reading is mainly applied because residents or base stations are widely distributed, the number of electric meters is large, the traditional manual meter reading is low in efficiency, and the operation and maintenance cost is high. For example, a 5G communication base station, the coverage radius of the base station is: compared with a 4G base station, the number of 5G base stations is greatly increased by 100-300 meters, millions of base stations are required to be added for each operator, the number of meter reading is also greatly increased, and higher requirements are placed on power consumption data management and control.
In the prior art, the intelligent air switch does not have the function of remote meter reading, the remote meter reading is mainly realized by depending on an electric meter, and the scheme of the remote meter reading mainly comprises the following steps:
the first scheme is as follows: change new ammeter, new ammeter compares with traditional ammeter, has RS485 communication function or wireless communication function, but, the price cost of new ammeter is than higher, changes the installation simultaneously in batches and also needs the human cost, because the ammeter quantity is huge, adds up later the cost huge, therefore does not actually apply in batches.
Scheme II: use traditional ammeter to every ammeter configuration camera equipment, adopt camera equipment to shoot the reading that shows on the ammeter, realize long-range checking meter after the transmission of shooting picture, however, increased the cost of camera equipment and camera equipment support, also occupied the effective space resource of basic station, increased the cost of basic station equipment, the camera is shot simultaneously and can be received the influence of weather, and the ammeter reading of shooting is fuzzy sometimes, can not be effectual, real-time reading electric energy.
The third scheme is as follows: the traditional electric meters are used, each electric meter is provided with a collector device, a system is formed by the collector device and a centralized collector, the electric consumption of the electric meters is collected through the collector devices, collected data are sent to the concentrator through a power line mode or an RS485 communication mode, and the collector collects the electric consumption through an RS485 interface or a level pulse collection circuit of the electric meters. However, the remote meter reading system increases much equipment cost and installation cost, and the whole power management system needs to be changed.
In view of this, the application provides an intelligent air switch of long-range meter reading, can realize accurate, real-time long-range meter reading to equipment cost and installation cost are low, are convenient for upgrade power consumption management system.
Disclosure of Invention
The invention aims to provide an intelligent air switch for remote meter reading, which realizes accurate and real-time remote meter reading, has low equipment cost and installation cost and is convenient for upgrading a power consumption management system.
This application does not reform transform traditional ammeter, does not increase configuration equipment, if: the intelligent air switch of the application is only adopted for equipment such as the camera equipment, the collector and the concentrator, remote meter reading is realized, the problems of current power consumption management and upgrading are solved by adopting a simple method, the cost of equipment configuration and the installation cost are not increased, and the communication cost is not increased.
The intelligent air switch for remote meter reading is connected with a traditional electric meter to sense an infrared pulse signal of the traditional electric meter, or is connected with the traditional electric meter to obtain a level pulse signal (the traditional electric meter has the functions of infrared pulse output and level pulse output), the pulse signal is converted into power consumption through the single chip microcomputer to realize meter reading, and then the converted power consumption signal is transmitted to a monitoring center of a power consumption management department or an operation department through a communication circuit, so that synchronous metering with counting of the traditional electric meter is effectively realized, the power consumption can be accurately and timely monitored, zero-error remote centralized monitoring of each electric meter is realized, and the intelligent air switch for remote meter reading adopts few electronic elements and is low in cost. On this basis, the present applicant has completed the present application.
An intelligent air switch for remote meter reading, comprising: pulse acquisition circuit, single chip module and communication circuit, pulse acquisition circuit is: infrared pulse acquisition circuit or/and level pulse acquisition circuit, pulse acquisition circuit is connected with single chip module's input, and single chip module's output and communication circuit are connected, infrared pulse acquisition circuit perception and the infrared pulse output signal of synchronous collection ammeter, level pulse acquisition circuit and the interface connection of ammeter, the level pulse output signal of synchronous collection ammeter, single chip module with infrared pulse signal, or level pulse signal conversion for the power consumption, communication circuit will use the power consumption signal transmission to transmit the surveillance center of power consumption management department or operation department.
In some embodiments, the pulse acquisition circuit is an infrared pulse acquisition circuit, or the pulse acquisition circuit is an infrared pulse acquisition circuit and a level pulse acquisition circuit, and preferably, the pulse acquisition circuit is an infrared pulse acquisition circuit and a level pulse acquisition circuit.
Furthermore, the frequency of the pulse signals collected and output by the pulse collecting circuit is the same as the frequency of the pulse output signals sent by the electric meters, the frequency of the pulse output signals sent by one electric meter is fixed, and each revolution of the electric meter sends one pulse output signal.
For example, the electric meter is generally labeled 1600 rpm, or 3200 rpm, and the frequency of the infrared pulse output signal emitted by the electric meter is: 1600 infrared pulses or 3200 infrared pulses are electrically emitted at 1 degree, namely 1600 infrared pulses/degree or 3200 infrared pulses/degree; then the frequency at which the meter sends out a level pulse output signal is: the 1-degree electricity emits 1600 level pulses or 3200 level pulses, namely 1600 level pulses/degree or 3200 level pulses/degree.
Further, the infrared pulse acquisition circuit includes: the infrared pulse synchronous acquisition device comprises an infrared signal receiving chip REC, a resistor R22 and a resistor R23, wherein the infrared signal receiving chip REC senses and synchronously acquires infrared pulse output signals of the ammeter.
Further, level pulse acquisition circuit passes through interface J1 and the interface connection of ammeter, and level pulse acquisition circuit still includes: electrode tube Q1, resistance R19, resistance R20, and resistance R21.
Furthermore, when the electric meter pulse is output, the emitter of the triode Q1 generates high and low levels by pulling up the emitter resistor R21, the collector of the triode Q1 forms a switch state by pulling up the power supply to VCC by the collector resistor R20, a power supply pulse is formed, and the pulse is connected with a break port of the chip U1, so that the number of the electric meter pulses can be recorded. And recording the reading of the electric meter.
In some embodiments, the single-chip module includes a single-chip circuit, the single-chip circuit including: the chip U1 and the chip U1 convert the collected infrared pulse signals or/and level pulse signals into electricity consumption.
Furthermore, the chip U1 converts the pulse signal and the power consumption, converts according to the relationship between the frequency of the pulse output signal sent by the electric meter and the degree, and carries out accumulation statistics, thereby calculating the power consumption,
for example, the frequency at which the meter emits the infrared pulse output signal is: 1600 infrared pulses/degree, then the parameter is set into the chip U1, the infrared pulse signal points of the infrared pulse acquisition circuit input chip U1 are accumulated, when the infrared pulse signal points reach 1600, the electricity consumption is 1 degree, and accumulation statistical calculation is carried out in sequence.
Furthermore, the singlechip circuit also comprises a peripheral circuit, a time recording circuit and a base number circuit.
Further, a peripheral circuit is connected to the initial terminal of the chip U1, and the peripheral circuit includes: a circuit composed of a resistor R4 and a resistor R5, and a circuit composed of a resistor R6, a resistor R7 and a switch G1.
Furthermore, the time recording circuit can record meter reading time, the time of meter reading is timed every month, the basic parameter time of the electric meter is input, and the time of electricity utilization in the month is recorded.
Further, the time recording circuit includes: the circuit comprises a chip U3, a resistor R16, a resistor R17, a resistor R18, a capacitor C5 and a capacitor C6.
Further, the base circuit is used as the base for inputting the electric meter, for example, 1600 infrared pulses/degree are inputted 1600 as the reference for calculating the pulse generation of the electric meter, and the data is permanently stored in the chip U2. Only by changing the data can the data be changed by re-writing.
Further, the radix circuit includes: chip U2, resistor R8, and resistor R9.
In some embodiments, the manner in which the communication circuit transmits the power usage for transmission signal includes: wired transmission, FSU transmission, and wireless transmission.
Furthermore, the limited transmitting mode is transmitting and transmitting the power consumption signal through RS485, the FSU transmitting mode is transmitting and transmitting the power consumption signal through the existing FSU communication networking of the base station, and the wireless transmitting mode is transmitting and transmitting the power consumption signal through the wireless communication technology.
Further, the power consumption management department is a first-level power consumption management department of county, city, or provincial and direct-administration city.
Further, the communication circuit comprises a wireless communication circuit and an RS485 communication circuit, the RS485 communication circuit realizes the communication function of RS485 through a chip U4, and concretely, the MODBUS communication and the FSU communication of RS485 are realized through the program rectification of a chip U1 in the singlechip circuit; the wireless communication is realized by the communication between the port lines TXD2 and RXD2 of the chip U1 and the wireless communication circuit.
In some embodiments, the intelligent air switch for remote meter reading further includes: the keyboard display circuit is connected with the output end of the single chip circuit, and the switch power supply circuit is connected with the single chip circuit, the pulse acquisition circuit, the communication circuit and the keyboard display circuit and provides power.
Furthermore, the keyboard display circuit displays the specific electricity consumption degree in the electricity consumption signal in a monitoring center of an electricity management department or an operation department.
Drawings
Fig. 1 is a circuit diagram of an infrared pulse acquisition circuit according to the present application.
Fig. 2 is a circuit diagram of a level pulse acquisition circuit according to the present application.
Fig. 3 is a circuit diagram of the single chip circuit of the present application.
Fig. 4 is a circuit diagram of a wireless communication circuit according to the present application.
Fig. 5 is a circuit diagram of the RS485 communication circuit of the present application.
Detailed Description
The following examples are described to aid in the understanding of the present application and are not, and should not be construed to, limit the scope of the present application in any way.
In the following description, those skilled in the art will recognize that components may be described throughout this discussion as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).
Also, connections between components or systems within the figures are not intended to be limited to direct connections. Rather, data between these components may be modified, reformatted, or otherwise changed by the intermediate components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" and "fixed" are understood to encompass direct connections, indirect connections, or fixed through one or more intermediaries.
Example 1:
an intelligent air switch for remote meter reading, as shown in fig. 1-5, comprises: pulse acquisition circuit, single chip module and communication circuit, pulse acquisition circuit is: infrared pulse acquisition circuit and level pulse acquisition circuit, pulse acquisition circuit is connected with single chip module's input, and single chip module's output and communication circuit are connected, infrared pulse acquisition circuit perception and the infrared pulse output signal of synchronous collection ammeter, level pulse acquisition circuit and the interface connection of ammeter, the level pulse output signal of synchronous collection ammeter, single chip module with infrared pulse signal, or level pulse signal conversion for the power consumption, communication circuit will use the power consumption signal transmission to the control center of power consumption management department or operation department.
The frequency of the pulse signal collected and output by the pulse collecting circuit is the same as the frequency of the pulse output signal sent by the electric meter, the frequency of the pulse output signal sent by one electric meter is fixed, and the electric meter sends out one pulse output signal every turn. The meter is typically rated at 1600 rpm, so the frequency at which the meter emits the infrared pulse output signal is: 1600 infrared pulses are emitted at 1 degree, namely 1600 infrared pulses/degree; then the frequency at which the meter sends out a level pulse output signal is: the 1 degree electrical discharge is 1600 level pulses, 1600 level pulses/degree. The infrared pulse acquisition circuit includes: the infrared pulse synchronous acquisition device comprises an infrared signal receiving chip REC, a resistor R22 and a resistor R23, wherein the infrared signal receiving chip REC senses and synchronously acquires infrared pulse output signals of the ammeter. Level pulse acquisition circuit passes through interface J1 and the interface connection of ammeter, and level pulse acquisition circuit still includes: electrode tube Q1, resistance R19, resistance R20, and resistance R21. When the pulse output of the electric meter pulse occurs, the emitter of the triode Q1 generates high and low levels through the pull-up of the emitter resistor R21, the power supply is pulled to VCC through the pull-up of the collector resistor R20, the collector of the triode Q1 forms a switch state, a power supply pulse is formed, the pulse is connected with an interrupt port of the single chip microcomputer in the intelligent air switch, and the number of the electric meter pulse occurrences can be recorded. And recording the reading of the electric meter.
The single chip microcomputer module includes single chip microcomputer circuit, and single chip microcomputer circuit includes: the chip U1 and the chip U1 convert the collected infrared pulse signals or/and level pulse signals into electricity consumption. The chip U1 carries out conversion of pulse signals and power consumption, carries out conversion according to the relation between the frequency of the pulse output signals sent by the electric meter and the degree, and carries out accumulation statistics, thereby calculating the power consumption, wherein the frequency of the infrared pulse output signals sent by the electric meter is as follows: 1600 infrared pulses/degree, then the parameter is set into the chip U1, the infrared pulse signal points of the infrared pulse acquisition circuit input chip U1 are accumulated, when the infrared pulse signal points reach 1600, the electricity consumption is 1 degree, and accumulation statistical calculation is carried out in sequence. Singlechip circuit still includes peripheral circuit, and peripheral circuit is connected with chip U1's initial end, and peripheral circuit includes: a circuit composed of a resistor R4 and a resistor R5, and a circuit composed of a resistor R6, a resistor R7 and a switch G1. The single chip circuit also comprises a time recording circuit which can record meter reading time, the time of meter reading at regular time every month, the time of inputting basic parameters of the electric meter and the time of electricity utilization in the month. The time recording circuit includes: the circuit comprises a chip U3, a resistor R16, a resistor R17, a resistor R18, a capacitor C5 and a capacitor C6. The single chip circuit also comprises a base number circuit which is used as the base number of the input electric meter, if the electric meter is 1600 infrared pulses/degree, the input 1600 is used as the reference for calculating the pulse of the electric meter, and the data is permanently stored in the chip U2. Only by changing the data can the data be changed by re-writing. The radix circuit includes: chip U2, resistor R8, and resistor R9.
The mode that the communication circuit transmits and transmits the power consumption signal comprises the following steps: wired transmission, FSU transmission, and wireless transmission. The limited transmitting mode is to transmit and transmit the power consumption signal through RS485, the FSU transmitting mode is to transmit and transmit the power consumption signal through the existing FSU communication networking of the base station, and the wireless transmitting mode is to transmit and transmit the power consumption signal through the wireless communication technology. The power consumption management department is a first-level power consumption management department of county, city, or provincial and direct-administration city. The communication circuit comprises a wireless communication circuit and an RS485 communication circuit, the RS485 communication circuit realizes the communication function of RS485 through a chip U4, and concretely, the MODBUS communication and the FSU communication of RS485 are realized through the program rectification and modification of a chip U1 in the singlechip circuit; the wireless communication is realized by the communication between the port lines TXD2 and RXD2 of the chip U1 and the wireless communication circuit. The intelligent air switch of long-range meter reading still includes: the keyboard display circuit is connected with the output end of the single chip circuit, and the switch power supply circuit is connected with the single chip circuit, the pulse acquisition circuit, the communication circuit and the keyboard display circuit and provides power. The keyboard display circuit displays the specific electricity consumption degree in the electricity consumption signal in a monitoring center of an electricity management department or an operation department.
While various aspects and embodiments have been disclosed herein, it will be apparent to those skilled in the art that other aspects and embodiments can be made without departing from the spirit of the disclosure, and that several modifications and improvements can be made without departing from the spirit of the disclosure. The various aspects and embodiments disclosed herein are presented by way of example only and are not intended to limit the present disclosure, which is to be controlled in the spirit and scope of the appended claims.
Claims (10)
1. The utility model provides an intelligent air switch of long-range meter reading which characterized in that includes: pulse acquisition circuit, single chip module and communication circuit, pulse acquisition circuit is: infrared pulse acquisition circuit or/and level pulse acquisition circuit, pulse acquisition circuit is connected with single chip module's input, and single chip module's output and communication circuit are connected, infrared pulse acquisition circuit perception and the infrared pulse output signal of synchronous collection ammeter, level pulse acquisition circuit and the interface connection of ammeter, the level pulse output signal of synchronous collection ammeter, single chip module with infrared pulse signal, or/and level pulse signal conversion for the power consumption, communication circuit will use the power consumption signal transmission to the surveillance center of power consumption management department or operation department.
2. The intelligent air switch for remote meter reading according to claim 1, wherein the pulse acquisition circuit is an infrared pulse acquisition circuit, or the pulse acquisition circuit is an infrared pulse acquisition circuit and a level pulse acquisition circuit.
3. The intelligent air switch for remote meter reading according to claim 2, wherein the frequency of the pulse signal collected and outputted by the pulse collecting circuit is the same as the frequency of the pulse output signal outputted by the electric meter, the frequency of the pulse output signal outputted by one electric meter is fixed, and the pulse output signal is outputted by one electric meter per rotation.
4. The intelligent air switch for remote meter reading according to claim 3, wherein the infrared pulse acquisition circuit comprises: the infrared pulse synchronous acquisition device comprises an infrared signal receiving chip REC, a resistor R22 and a resistor R23, wherein the infrared signal receiving chip REC senses and synchronously acquires infrared pulse output signals of the ammeter.
5. The intelligent air switch for remote meter reading according to claim 3, wherein the level pulse acquisition circuit is connected with the interface of the electric meter through an interface J1, and the level pulse acquisition circuit further comprises: electrode tube Q1, resistance R19, resistance R20, and resistance R21.
6. The intelligent air switch for remote meter reading according to claim 1, wherein the single chip microcomputer module comprises a single chip microcomputer circuit, and the single chip microcomputer circuit comprises: the chip U1 and the chip U1 convert the collected infrared pulse signals or/and level pulse signals into electricity consumption.
7. The intelligent air switch for the remote meter reading according to claim 6, wherein the chip U1 performs conversion of the pulse signal and the power consumption, performs conversion according to the relationship between the frequency of the pulse output signal sent by the electric meter and the degree, and performs accumulation statistics to calculate the power consumption.
8. The intelligent air switch for remote meter reading according to claim 1, wherein the mode of transmitting the power consumption transmission signal by the communication circuit comprises: wired transmission, FSU transmission, and wireless transmission.
9. The intelligent air switch for remote meter reading according to claim 8, wherein the limited transmission mode is transmitting the transmission power consumption signal through RS485, the FSU transmission mode is transmitting the transmission power consumption signal through the existing FSU communication networking of the base station, and the wireless transmission mode is transmitting the transmission power consumption signal through a wireless communication technology.
10. The intelligent air switch for remote meter reading according to claim 1, further comprising: the keyboard display circuit is connected with the output end of the single chip circuit, and the switch power supply circuit is connected with the single chip circuit, the pulse acquisition circuit, the communication circuit and the keyboard display circuit and provides power.
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CN213183074U (en) * | 2020-10-29 | 2021-05-11 | 苏州高鹏光电科技有限公司 | Intelligent air switch for remote meter reading |
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CN2870029Y (en) * | 2006-01-18 | 2007-02-14 | 常州苏源永利达电子科技有限公司 | Digitalized transmitting electric take-down meter and monitoring terminal |
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