CN210155311U - Single-phase three-phase comprehensive prepayment ammeter - Google Patents
Single-phase three-phase comprehensive prepayment ammeter Download PDFInfo
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- CN210155311U CN210155311U CN201920474763.8U CN201920474763U CN210155311U CN 210155311 U CN210155311 U CN 210155311U CN 201920474763 U CN201920474763 U CN 201920474763U CN 210155311 U CN210155311 U CN 210155311U
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Abstract
The utility model provides a single-phase three-phase comprehensive prepayment ammeter, including the ammeter body of a three-phase four-wire electronic formula, this internal voltage monitoring module that is equipped with of ammeter, current monitoring module, prepayment module, a display module, a data memory, a microprocessor for monitoring the metering module of power consumption and being used for carrying out analysis processes to data, voltage monitoring module, current monitoring module, prepayment module, a display module, a data memory, metering module links to each other with microprocessor respectively, the ammeter body is still including the temperature monitoring module who is used for monitoring ammeter access line temperature, temperature monitoring module links to each other with microprocessor, temperature monitoring module includes circuit temperature detection sensor, circuit temperature detection sensor's data acquisition end welding is on the metal wafer in the circuit interface of ammeter body. The advantages are that: the data acquisition end of the temperature sensor is welded on the metal pressing sheet in the line interface, which is equivalent to directly contacting with the inner core of the electric wire, so that the real-time temperature of the electric wire can be acquired, and the detection precision is high.
Description
Technical Field
The utility model relates to an intelligent electric meter, concretely relates to single-phase three-phase synthesizes prepayment ammeter.
Background
With the technology of the internet of things changing day by day, various instruments and meters also start to enter the ranks of the internet of things, such as electric meters. With the generation of the internet of things smart electric meter, the internet of things smart electric meter has gradually replaced the traditional electric meter.
A plurality of electric meters capable of detecting the temperature of an access electric wire appear in the prior art, but the data acquisition end of a temperature sensor is attached to the surface of the access electric wire, and the insulated paint coating layer of the electric wire is separated, so that the temperature of the electric wire can be rapidly increased when a circuit is in accident, however, in order to improve the safety, the insulated paint coating layer of the electric wire has a heat insulation function, and when the temperature of the electric wire is high, the measurement of the temperature sensor has the conditions of time delay, slow reaction and low accuracy.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a single-phase three-phase synthesis prepayment ammeter has solved the temperature detection in the ammeter among the prior art and has had the problem that time delay, reaction are slow, the degree of accuracy is not high.
The utility model discloses the technical scheme who adopts: a single-phase three-phase comprehensive prepayment electric meter comprises an electric meter body of a three-phase four-wire electronic type, the electric meter body is internally provided with a voltage monitoring module for monitoring the load voltage of the electric meter, a current monitoring module for monitoring the load current of the electric meter, a prepayment module for carrying out prepayment numerical calculation, a display module, a data memory, a metering module for monitoring the power consumption and a microprocessor for analyzing and processing data, the voltage monitoring module, the current monitoring module, the prepayment module, the display module, the data memory and the metering module are respectively connected with the microprocessor, the electric meter body also comprises a temperature monitoring module for monitoring the temperature of an electric meter access line, the temperature monitoring module is connected with the microprocessor, the temperature monitoring module comprises a line temperature detection sensor, and a data acquisition end of the line temperature detection sensor is welded on a metal pressing sheet in a line interface of the ammeter body.
The ammeter body is also internally provided with a wireless communication module, and the microprocessor performs data interaction with the outside through the wireless communication module.
The wireless communication module is one or more of Bluetooth, LoRa or NB-iot.
The microprocessor is further connected with an environment temperature sensor, and a data acquisition end of the environment temperature detection sensor is arranged outside the ammeter body.
The ammeter body is also internally provided with an alarm module for alarming and feeding back the leakage and high-temperature information, and the alarm module is connected with the microprocessor.
Still be equipped with the life cycle management module that is used for calculating, monitors the life cycle of ammeter body in the ammeter body, life cycle management module links to each other with microprocessor.
And an RS485 communication interface is arranged on the ammeter body, and the RS485 communication interface is connected with the microprocessor.
The display module is an electronic display screen.
The utility model has the advantages that: the data acquisition end of the temperature sensor is welded on a metal pressing sheet in a line interface, namely, the data acquisition end is directly contacted with an inner core of the electric wire, so that the real-time temperature of the electric wire can be acquired, and the detection precision is high; the voltage, current and temperature changes of the load connected to the electricity meter can be monitored in real time, data are sent to a mobile phone of a user or a manager through the Internet of things, and warning can be given out in time when the data are abnormal; the user can carry out self-service recharging on the electric meter through the mobile phone APP, self-service recharging is carried out on the electric quantity of the electric meter, when the electric quantity of the electric meter is insufficient, a prompt of insufficient balance is automatically sent to the user, and the condition that power supply is stopped is avoided; the service life of the ammeter is calculated by arranging the life cycle management module, and a user can be reminded in advance to improve the safety when the service life is short.
Drawings
Fig. 1 is a schematic view of a connection of a temperature detection sensor of a single-phase three-phase comprehensive prepaid electric meter according to an embodiment of the present invention;
fig. 2 is a connection diagram of the overall structure frame of a single-phase three-phase comprehensive prepaid electric meter according to an embodiment of the present invention;
fig. 3 is an operation schematic diagram of a single-phase three-phase comprehensive prepaid electric meter according to an embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides a prepayment function operation schematic diagram of single-phase three-phase comprehensive prepayment ammeter.
In the figure: the system comprises a voltage monitoring module, a current monitoring module, a prepayment module, a 4-display module, a 5-metering module, a 6-microprocessor, a 7-temperature monitoring module, a 8-wireless communication module, an environment temperature sensor, a 10-alarm module, a 11-life cycle management module, a 12-RS485 communication interface, a 13-metal pressing sheet, a 14-wire inner core, a 15-ammeter body and a 16-data acquisition end.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 to 4, a single-phase three-phase comprehensive prepaid electric meter comprises an electric meter body 15 of a three-phase four-wire electronic type, a voltage monitoring module 1 for monitoring electric meter load voltage, a current monitoring module 2 for monitoring electric meter load current, a prepaid module 3 for performing prepaid numerical calculation, a display module 4, a data memory, a metering module 5 for monitoring power consumption and a microprocessor 6 for analyzing and processing data are arranged in the electric meter body 15, the voltage monitoring module 1, the current monitoring module 2, the prepaid module 3, the display module 4, the data memory and the metering module 5 are respectively connected with the microprocessor 6, the electric meter body 15 further comprises a temperature monitoring module 7 for monitoring the temperature of an electric meter access line, the temperature monitoring module 7 is connected with the microprocessor 6, the temperature monitoring module 7 comprises a line temperature detection sensor, the data acquisition end 16 of the line temperature detection sensor is welded on a metal pressing sheet 13 in a line interface of an electric meter body 15, the voltage monitoring module 1, the current monitoring module 2 and the temperature monitoring module 7 transmit the voltage, current and temperature data monitored by the voltage monitoring module 1, the current monitoring module 2 and the temperature monitoring module 7 to the microprocessor 6 in real time, the metering module 5 automatically counts the electric quantity data of the load in real time day, month and year, the data are transmitted to the microprocessor 6 after counting, the prepayment module 3 analyzes the residual electric quantity value according to the data acquired by the metering module 5 and transmits the analyzed data to the microprocessor 6, and the microprocessor 6 displays the analyzed data through the display module 4 and transmits the analyzed data to the data memory for storage; the data acquisition end 16 of the temperature sensor is welded on a metal pressing sheet 13 in a line interface of the electric meter, namely, the metal pressing sheet is directly contacted with an inner core 14 of the electric wire, so that the real-time temperature of the electric wire can be acquired, and the detection precision is high, wherein the metal pressing sheet 13 is a part which is owned by each electric meter and used for fixing an input/output electric wire and electrically connecting the electric wire with an internal element of the electric meter; when the electric meter needs to be used as a single-phase electric meter, only the zero line and one of the phase lines need to be connected, and then the operation mode of the metering module is modified through software.
Preferably, a wireless communication module 8 is further arranged in the electricity meter body 15, the microprocessor 6 performs data interaction with the outside through the wireless communication module 8, the data analyzed by the microprocessor 6 can be sent to the mobile phone of the user or the manager through the internet of things, when data is abnormal, warning can be sent out in time, a user can recharge on the APP through the mobile phone, after recharging, the APP sends corresponding electric quantity data to the microprocessor 6, the microprocessor 6 sends the data to the prepayment module 3, the prepayment module 3 carries out accumulation or residual quantity calculation on the data, and feeds back the calculated data to the microprocessor 6, the microprocessor 6 feeds back the data to the user mobile phone APP in real time, when the residual quantity of the electric quantity is lower than a preset value, the microprocessor 6 sends data information with insufficient balance to the mobile phone APP of the user to remind the user; preferably, the wireless communication module 8 is one or more of bluetooth, LoRa or NB-iot.
Preferably, the microprocessor 6 is further connected with an ambient temperature detection sensor, a data acquisition end of the ambient temperature detection sensor is arranged outside the ammeter body 15, the ambient temperature detection sensor is used as a temperature reference of the temperature monitoring module 7, the microprocessor 6 compares the temperature data acquired by the temperature monitoring module 7 with the temperature data acquired by the ambient temperature detection sensor to obtain a contrast value, if the contrast value is greater than a preset contrast value, early warning is performed on a user, and the situation that a system is mistakenly reported due to environmental factors can be avoided.
Preferably, an alarm module 10 for performing alarm feedback on electric leakage and high temperature information is further arranged in the electric meter body 15, the alarm module 10 is connected with the microprocessor 6, whether electric leakage or high temperature occurs is automatically judged when voltage, current and temperature data received by the microprocessor 6 are abnormal, and acousto-optic reminding is performed through the alarm module 10 if electric leakage or high temperature is confirmed.
Preferably, a life cycle management module 11 used for calculating and monitoring the life cycle of the electric meter body 15 is further arranged in the electric meter body 15, the life cycle management module 11 is connected with the microprocessor 6, the life cycle management module 11 analyzes data collected by the metering module 5 and the temperature monitoring module 7, the remaining service life of the electric meter is predicted, the data are transmitted to the data processor, the data processor sends the remaining service life of the electric meter and an aging warning of the electric meter to the display device to display or transmits the aging warning of the electric meter to a mobile phone or a display screen of a user or a manager to remind when the service life is insufficient, and the risk of accidents caused by aging of the electric meter is avoided.
Preferably, the electric meter body 15 is provided with an RS485 communication interface 12, the RS485 communication interface 12 is connected with the microprocessor 6, communication can be carried out in a wired transmission mode, and debugging and use are facilitated.
Preferably, the display module 4 is an electronic display screen.
The beneficial effect of this embodiment is: the data acquisition end of the temperature sensor is welded on a metal pressing sheet in a line interface, namely, the data acquisition end is directly contacted with an inner core of the electric wire, so that the real-time temperature of the electric wire can be acquired, and the detection precision is high; the voltage, current and temperature changes of the load connected to the electricity meter can be monitored in real time, data are sent to a mobile phone of a user or a manager through the Internet of things, and warning can be given out in time when the data are abnormal; the user can carry out self-service recharging on the electric meter through the mobile phone APP, self-service recharging is carried out on the electric quantity of the electric meter, when the electric quantity of the electric meter is insufficient, a prompt of insufficient balance is automatically sent to the user, and the condition that power supply is stopped is avoided; the service life of the ammeter is calculated by arranging the life cycle management module, and a user can be reminded in advance to improve the safety when the service life is short.
The examples should not be construed as limiting the invention, but any modifications made based on the spirit of the invention are intended to be within the scope of the invention.
Claims (8)
1. The utility model provides a single-phase three-phase synthesis prepayment ammeter, including the ammeter body of a three-phase four-wire electronic type, this internal voltage monitoring module (1) that is used for being equipped with monitoring ammeter load voltage of ammeter, current monitoring module (2) for monitoring ammeter load current, prepayment module (3) for carrying out prepayment numerical value and calculate, display module (4), data memory, be used for monitoring metering module (5) of power consumption and be used for carrying out microprocessor (6) analysis processes to data, voltage monitoring module (1), current monitoring module (2), prepayment module (3), display module (4), data memory, metering module (5) link to each other with microprocessor (6) respectively, its characterized in that: the ammeter body further comprises a temperature monitoring module (7) used for monitoring the temperature of an ammeter access line, the temperature monitoring module (7) is connected with the microprocessor (6), the temperature monitoring module (7) comprises a line temperature detection sensor, and a data acquisition end of the line temperature detection sensor is welded on a metal pressing sheet (13) in a line interface of the ammeter body.
2. The single-phase three-phase comprehensive prepaid electric meter according to claim 1, characterized in that: still be equipped with wireless communication module (8) in the ammeter body, microprocessor (6) carry out data interaction through wireless communication module (8) and external world.
3. The single-phase three-phase comprehensive prepaid electric meter according to claim 2, characterized in that: the wireless communication module (8) is one or more of Bluetooth, LoRa or NB-iot.
4. The single-phase three-phase comprehensive prepaid electric meter according to claim 1, characterized in that: microprocessor (6) still are connected with ambient temperature and detect sensor (9), the data acquisition end setting of ambient temperature detection sensor (9) is outside at the ammeter body.
5. The single-phase three-phase comprehensive prepaid electric meter according to claim 1, characterized in that: the electric meter is characterized in that an alarm module (10) for carrying out alarm feedback on electric leakage and high-temperature information is further arranged in the electric meter body, and the alarm module (10) is connected with the microprocessor (6).
6. The single-phase three-phase comprehensive prepaid electric meter according to claim 1, characterized in that: still be equipped with life cycle management module (11) that are used for calculating, monitor the life cycle of ammeter body in the ammeter body, life cycle management module (11) link to each other with microprocessor (6).
7. The single-phase three-phase comprehensive prepaid electric meter according to claim 1, characterized in that: the ammeter is characterized in that an RS485 communication interface (12) is arranged on the ammeter body, and the RS485 communication interface (12) is connected with the microprocessor (6).
8. The single-phase three-phase comprehensive prepaid electric meter according to claim 1, characterized in that: the display module (4) is an electronic display screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920474763.8U CN210155311U (en) | 2019-04-10 | 2019-04-10 | Single-phase three-phase comprehensive prepayment ammeter |
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| CN201920474763.8U CN210155311U (en) | 2019-04-10 | 2019-04-10 | Single-phase three-phase comprehensive prepayment ammeter |
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| CN210155311U true CN210155311U (en) | 2020-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431274A (en) * | 2020-03-19 | 2020-07-17 | 有新智能科技(广州)有限公司 | Intelligent Internet of things three-phase four-wire multifunctional power monitoring terminal and method |
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- 2019-04-10 CN CN201920474763.8U patent/CN210155311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431274A (en) * | 2020-03-19 | 2020-07-17 | 有新智能科技(广州)有限公司 | Intelligent Internet of things three-phase four-wire multifunctional power monitoring terminal and method |
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