CN218449606U - Mains supply power failure wireless monitoring system applied to external metering - Google Patents
Mains supply power failure wireless monitoring system applied to external metering Download PDFInfo
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- CN218449606U CN218449606U CN202220088862.4U CN202220088862U CN218449606U CN 218449606 U CN218449606 U CN 218449606U CN 202220088862 U CN202220088862 U CN 202220088862U CN 218449606 U CN218449606 U CN 218449606U
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- metering
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- wireless terminal
- monitoring system
- mains supply
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Abstract
The utility model provides a mains supply power failure wireless monitoring system applied to external metering, which comprises an uninterrupted power supply, a metering instrument, a relay and wireless terminal equipment; the relay and the metering instrument are respectively connected with the wireless terminal equipment; the metering instrument is also connected with the uninterruptible power supply; the utility model discloses connect in parallel power access relay all the way in commercial power wiring side, with relay switch signal access wireless terminal equipment DTU, DTU spreads this signal into real-time database into through flow transmission, and the transport user uses the user's commercial power condition with regard to the long-range desktop real-time supervision of accessible.
Description
Technical Field
The utility model belongs to the technical field of the commercial power detects is relevant, concretely relates to be applied to commercial power that measures to outer falls wireless monitoring device and system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The external measurement monitoring of the steam enthalpy value is to detect the steam enthalpy value of a user side through a measuring instrument, and currently, in various external measurement monitoring, a common method is to use a reliable commercial power or a double-circuit power supply to supply power to a measuring device by a user.
The inventor finds that if the commercial power of a user is cut off, the metering instrument can only be maintained for a few hours by UPS (uninterrupted power supply), and a delivery user cannot monitor the commercial power state of the user in real time, so that the external metering of the enthalpy value of steam is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, provided a be applied to commercial power that to outer measurement and fall wireless monitoring device and system, the utility model discloses connect in parallel all the way power in commercial power wiring side and insert the relay, with relay switch signal access wireless terminal equipment DTU, DTU spreads into this signal into real-time database through flow transmission, and the transport user uses the user's commercial power condition with regard to the long-range desktop real-time supervision of accessible.
According to some embodiments, the utility model discloses a first scheme provides a be applied to the commercial power of external measurement and falls wireless monitoring device, adopts following technical scheme:
a commercial power failure wireless monitoring device applied to external metering comprises an uninterrupted power supply, a metering instrument, a relay and wireless terminal equipment;
the relay and the metering instrument are respectively connected with the wireless terminal equipment; the metering device is also connected with the uninterruptible power supply.
Further, the wireless terminal device is a data transmission unit DTU.
Further, the metering device is a steam flowmeter.
Further, the measuring meter is provided with a 485 interface.
Further, a 485 interface is arranged on the wireless terminal device.
According to some embodiments, the utility model discloses a second scheme provides a commercial power that is applied to external measurement falls wireless monitoring system of electricity, adopts following technical scheme:
a mains supply power failure wireless monitoring system applied to external metering comprises a remote terminal and a mains supply power failure wireless monitoring device applied to external metering in a first scheme; the remote terminal is connected with the wireless terminal device.
Further, the remote terminal is wirelessly connected with the wireless terminal device.
Further, the uninterruptible power supply is connected with the mains supply.
Further, the relay is connected in series on the connection side where the commercial power is connected with the uninterruptible power supply.
Further, the remote terminal is a mobile phone, a computer or a tablet.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model reduces the problem that the external metering data can not be monitored in real time due to the mains supply power failure, and improves the reliability of external data metering;
2. this embodiment connects in parallel power access relay all the way in commercial power wiring side, inserts wireless emitter DTU with relay switch signal access, and DTU passes through flow transmission and transmits this signal into real-time database, carries the user and uses the user's commercial power condition with regard to the long-range desktop real-time supervision of accessible.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic diagram of the system structure of the present invention;
wherein: 1. uninterrupted power source, 2, metering device, 3, relay, 4, wireless terminal equipment, 5, remote terminal.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In the utility model, the external measurement and monitoring is the steam enthalpy value; the user using means a user purchasing steam; the delivery user is to provide a delivery steam unit; the mains supply wiring side refers to a mains supply 220VAC input end.
As recorded in the background art, according to the requirements of the prior art and the field working conditions, the state of the commercial power of the user should be always transmitted to the delivery user in real time, and if the power failure state of the commercial power cannot be monitored for a long time, the metering instrument cannot normally operate, the usage of the user cannot be metered, and the metering effect is influenced.
Example 1:
as shown in fig. 1, the embodiment provides a commercial power failure wireless monitoring device applied to external metering, which includes an uninterruptible power supply 1, a metering device 2, a relay 3 and a wireless terminal device 4; the relay and the metering instrument are respectively connected with the wireless terminal equipment; the metering device is also connected with the uninterruptible power supply.
Specifically, when the system is used, one path of power supply access relay 3 is connected in parallel on the commercial power wiring side, a switching signal of the relay 3 is accessed into the wireless terminal device 4, the wireless terminal device 4 transmits the signal into a real-time database through flow transmission, and a conveying user can monitor the commercial power condition of the user in real time through the real-time database; it can be understood that when the mains supply is powered off, and after the coil is powered off, the electromagnetic attraction force disappears, and the armature returns to the original position under the counterforce of the spring, so that the movable contact and the static contact (normally closed contact) are attracted, and a contact signal is transmitted to the DTU.
In this embodiment, the wireless terminal device is a data transmission unit DTU.
A DTU (Data Transfer unit) which is a wireless terminal device used exclusively for converting serial Data into IP Data or converting IP Data into serial Data and transmitting the serial Data through a wireless communication network; putting an SIM card with a GPRS function into the DTU, firstly registering the DTU to a GPRS network after the DTU is powered on, and then establishing connection with a data processing center through the GPRS network; the DTU has the advantages of rapid and flexible networking, short construction period, low cost, wide network coverage, good security and confidentiality, permanent online link support, charging according to flow, low use cost of users and the like.
In this embodiment, the metering device is a steam flow meter, and is used for metering the accumulated mass flow of the steam of the user.
In this embodiment, be provided with the 485 interface on the strapping table, be provided with the 485 interface on the wireless terminal equipment, through 485 communication interface connection.
When the communication distance is required to be dozens of meters to thousands of meters, the RS-485 serial bus standard is widely adopted. RS-485 adopts balanced transmission and differential reception, so that the capability of suppressing common mode interference is realized.
Example 2:
as shown in fig. 1, the present embodiment provides a wireless monitoring system for mains power failure applied to external metering, which includes a remote terminal 5 and a wireless monitoring device for mains power failure applied to external metering as described in embodiment 1; the remote terminal 5 is connected to the wireless terminal device 4.
In the present embodiment, the remote terminal 5 and the wireless terminal device 4 are wirelessly connected; steam flow and mains supply state that the system detected all pass through wireless terminal equipment 4 transmits for remote terminal 5.
In this embodiment, the uninterruptible power supply 1 is connected to the commercial power; and the relay 3 is connected in series at the wiring side where the commercial power is connected with the uninterrupted power supply 1.
In this embodiment, the remote terminal is a mobile phone, a computer or a tablet.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A mains supply power failure wireless monitoring system applied to external metering is characterized by comprising an uninterrupted power supply, a metering instrument, a relay, wireless terminal equipment and a remote terminal;
one power supply access relay is connected in parallel at the side of the commercial power wiring;
the relay and the metering instrument are respectively connected with the wireless terminal equipment; the metering instrument is also connected with the uninterruptible power supply; the wireless terminal equipment is a data transmission unit DTU; the uninterruptible power supply is connected with the mains supply; the relay is connected in series to the connection side of the commercial power and the uninterruptible power supply;
the remote terminal is connected with the wireless terminal equipment; the remote terminal is wirelessly connected with the wireless terminal device.
2. The wireless monitoring system for the power failure of the mains supply, which is applied to external metering, as claimed in claim 1, wherein the metering device is a steam flow meter.
3. The wireless monitoring system for the power failure of the mains supply applied to the external metering as claimed in claim 1, wherein a 485 interface is arranged on the meter.
4. The wireless monitoring system for the power failure of the mains supply applied to the external metering as claimed in claim 1, wherein a 485 interface is arranged on the wireless terminal device.
5. The wireless monitoring system for the power failure of the mains supply applied to the external metering as claimed in claim 1, wherein the remote terminal is a mobile phone, a computer or a tablet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220088862.4U CN218449606U (en) | 2022-01-13 | 2022-01-13 | Mains supply power failure wireless monitoring system applied to external metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220088862.4U CN218449606U (en) | 2022-01-13 | 2022-01-13 | Mains supply power failure wireless monitoring system applied to external metering |
Publications (1)
| Publication Number | Publication Date |
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| CN218449606U true CN218449606U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220088862.4U Active CN218449606U (en) | 2022-01-13 | 2022-01-13 | Mains supply power failure wireless monitoring system applied to external metering |
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| CN (1) | CN218449606U (en) |
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2022
- 2022-01-13 CN CN202220088862.4U patent/CN218449606U/en active Active
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