CN211855593U - Device for measuring temperature of digital temperature sensor ammeter wiring terminal - Google Patents
Device for measuring temperature of digital temperature sensor ammeter wiring terminal Download PDFInfo
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- CN211855593U CN211855593U CN202020931467.9U CN202020931467U CN211855593U CN 211855593 U CN211855593 U CN 211855593U CN 202020931467 U CN202020931467 U CN 202020931467U CN 211855593 U CN211855593 U CN 211855593U
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Abstract
The utility model relates to a device for measuring the temperature of a connecting terminal of a digital temperature sensor ammeter, which comprises a plurality of intelligent ammeters arranged in a distributed manner and a remote monitoring center connected with each intelligent ammeter through a wireless network for receiving collected signals, wherein the remote monitoring center transmits maintenance alarm signals to a regional maintenance center through a signaling calling module, and the signaling calling module transmits signals with the regional maintenance center through the wireless network; the work that makes original a plurality of staff can accomplish, a computer adds signaling call module, can accomplish, to a great extent, has realized the purpose of reduce cost. Under the conditions that an electric meter system is damaged and communication needs to be recovered urgently, the signaling calling module can conveniently provide the accurate position of a problem electric meter in a short time, provides urgent communication for maintenance personnel, and is convenient for application of disaster relief and the like.
Description
Technical Field
The utility model relates to a sensor temperature measuring device field specifically is a measure device of digital temperature sensor ammeter binding post temperature.
Background
The traditional electric meter wiring terminal measures temperature by a platinum resistor or a thermocouple. There are three problems: first, insulation is insufficient. The industry of electric power meters needs to ensure that the alternating current insulation withstand voltage reaches the standard of 4000 volts. The temperature measurement principle of the thermocouple cannot be achieved. Second, accuracy issues. The temperature measurement precision of the K-type thermocouple is generally +/-1.5 ℃, and the precision is worse on the premise of great control cost, so that the use level cannot be reached. Thirdly, the two temperature measurement modes can only complete the whole measurement scheme by adding a matching circuit, an ADC chip for acquisition and a digital processor, and the cost is higher, so that the method cannot adapt to the low-cost market.
The existing temperature measuring system of the connecting terminal of the electric meter is still imperfect, and an integral network platform and a quick alarm mechanism cannot be established. When a problem occurs, the fault cannot be alarmed in real time, and the problem cannot be quickly informed to an after-sales department for corresponding treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a measure device of digital temperature sensor ammeter binding post temperature is provided to solve the defect that exists among the prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a device for measuring the temperature of an ammeter wiring terminal of a digital temperature sensor comprises a plurality of intelligent ammeters which are arranged in a distributed mode and a remote monitoring center which is connected with each intelligent ammeter through a wireless network and used for collecting and receiving signals, wherein the remote monitoring center transmits maintenance alarm signals to a regional maintenance center through a signaling calling module, and the signaling calling module transmits signals to the regional maintenance center through the wireless network; a main controller and two digital temperature sensors connected with the main controller are arranged in the intelligent electric meter, and the two digital temperature sensors are respectively connected with a wiring terminal of the intelligent electric meter and used for measuring temperature;
furthermore, the digital temperature sensor is connected with the main controller through a single bus interface to perform signal transmission;
furthermore, after the plurality of intelligent electric meters are connected with the relay server of the regional power network, the intelligent electric meters are connected with a remote monitoring center through a wireless network to carry out signal transmission;
further, the wireless network is a WIFI network or 4G network signal transmission;
further, data transmission is carried out between the intelligent electric meter and the relay server of the regional power network through an RS485 center;
the utility model has the advantages that: the work that makes original a plurality of staff can accomplish, a computer adds signaling call module, can accomplish, to a great extent, has realized the purpose of reduce cost. Under the conditions that an electric meter system is damaged and communication needs to be recovered urgently, the signaling calling module can conveniently provide the accurate position of a problem electric meter in a short time, provides urgent communication for maintenance personnel, and is convenient for application of disaster relief and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the temperature measurement process of the present invention;
the reference numerals are explained below:
1. the system comprises an intelligent ammeter, 11, a main controller, 12, a digital temperature sensor, 2, a remote monitoring center, 3, a signaling calling module, 4, a regional maintenance center, 5, a regional power network relay server, 6 and a wireless network;
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, a device for measuring the temperature of a terminal of an electric meter of a digital temperature sensor comprises a plurality of intelligent electric meters 1 arranged in a distributed manner and a remote monitoring center 2 connected with each intelligent electric meter 1 through a wireless network 6 for collecting and receiving signals, wherein the remote monitoring center 2 transmits a maintenance alarm signal to an area maintenance center 4 through a signaling calling module 3, and the signaling calling module 3 transmits signals to the area maintenance center 4 through the wireless network 6; a main controller 11 and two digital temperature sensors 12 connected with the main controller 11 are arranged in the intelligent electric meter 1, and the two digital temperature sensors 12 are respectively connected with a connecting terminal of the intelligent electric meter 1 and used for measuring temperature;
the remote monitoring center is arranged in the customer service center, and when the intelligent electric meter is used, the digital temperature sensor is connected with the intelligent electric meter main controller and is used for collecting the temperature of the binding post in real time; after receiving the temperature data transmitted by the digital temperature sensor, the main controller of the intelligent electric meter sends the data to a relay server of the regional power network through a 485 bus; after receiving the data, the relay server of the regional power network forwards the data to a remote monitoring center of the customer service center, and the temperature values of the wiring terminals of all the electric meters in all the jurisdictions are displayed in a rolling mode on monitoring software of a computer. When the temperature value of a certain terminal exceeds the threshold value set by the software, the computer software of the remote monitoring center can carry out corresponding alarm prompt, and meanwhile, the alarm information is transmitted to the area maintenance center through the signaling call module.
More specifically, the digital temperature sensor 12 is connected with the main controller 11 through a single bus interface for signal transmission;
when the area in charge of the remote monitoring center is too large, in order to ensure the stability of signal acquisition and transmission, a plurality of intelligent electric meters 1 are connected with a relay server 5 of a regional power network, and then are connected with the remote monitoring center 2 through a wireless network 6 for signal transmission;
specifically, the wireless network 6 is a WIFI network or 4G network signal transmission;
data transmission is carried out between the intelligent electric meter 1 and the regional power network relay server 5 through an RS485 center;
the digital temperature sensor is precisely calibrated by manufacturers before being delivered, the temperature precision can reach 0.1 ℃, the digital temperature sensor can stably work at 200 ℃, and the cost is extremely low. The traditional platinum resistor scheme with high manufacturing cost can be replaced, and the function and the reliability of the intelligent electric meter are further improved. Because the temperature value is directly output by the sensor, a complex auxiliary circuit and an expensive ADC can be omitted, and accurate digital temperature reading can be completed only by an IO port of a main control single chip microcomputer in the intelligent electric meter.
In the aspect of threshold value alarming, original equipment is upgraded and modified, an automatic alarming notification maintenance remote monitoring center is added, work which can be completed by a plurality of original workers can be completed by one computer and a signaling calling module, and the purpose of reducing cost is achieved to a great extent.
Under the conditions that an electric meter system is damaged and communication needs to be recovered urgently, the signaling calling module can conveniently provide the accurate position of a problem electric meter in a short time, provides urgent communication for maintenance personnel, and is convenient for application of disaster relief and the like.
The invention also discloses a method for measuring the temperature of the terminal of the digital temperature sensor ammeter, which comprises the following steps, as shown in figure 2, and specifically comprises the following steps:
301. the intelligent electric meter main controller acquires data of a digital temperature sensor by using a single bus interface;
302. all smart electric meters in the region transmit the acquired temperature data to a relay server of the regional power network through a 485 bus. The server collects and transmits all the received data according to a communication protocol of a power grid, and sends the data to a remote monitoring center through a wireless network (WIFI or 4G);
303. the remote monitoring center judges whether each ammeter has a fault or not according to threshold information of a preset value and a comprehensive evaluation system;
304. when a faulty ammeter is found, alarm information is sent to the signaling calling module through the computer network interface immediately. The signaling calling module sends the alarm information to a corresponding area maintenance center through a wireless network (WIFI or 4G); and after the maintenance center receives the alarm, sending out maintenance personnel for maintenance.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a measure device of digital temperature sensor ammeter binding post temperature which characterized in that: the system comprises a plurality of intelligent electric meters arranged in a distributed mode and a remote monitoring center connected with each intelligent electric meter through a wireless network for receiving collected signals, wherein the remote monitoring center transmits maintenance alarm signals to a regional maintenance center through a signaling calling module, and the signaling calling module transmits signals to the regional maintenance center through the wireless network; the intelligent electric meter is characterized in that a main controller and two digital temperature sensors connected with the main controller are arranged inside the intelligent electric meter, and the two digital temperature sensors are respectively connected with a wiring terminal of the intelligent electric meter and used for measuring temperature.
2. The apparatus of claim 1, wherein the means for measuring the temperature of the terminals of the digital temperature sensor meter comprises: and the digital temperature sensor is connected with the main controller through a single bus interface for signal transmission.
3. The apparatus of claim 2, wherein the means for measuring the temperature of the terminals of the digital temperature sensor meter comprises: and after the plurality of intelligent electric meters are connected with the relay server of the regional power network, the intelligent electric meters are connected with a remote monitoring center through a wireless network to perform signal transmission.
4. The apparatus of claim 3, wherein the means for measuring the temperature of the terminals of the digital temperature sensor meter comprises: the wireless network is a WIFI network or 4G network signal transmission.
5. The device of claim 4, wherein the temperature sensor is configured to measure the temperature of the terminal of the digital temperature sensor meter: and data transmission is carried out between the intelligent electric meter and the relay server of the regional power network through an RS485 center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020931467.9U CN211855593U (en) | 2020-05-28 | 2020-05-28 | Device for measuring temperature of digital temperature sensor ammeter wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020931467.9U CN211855593U (en) | 2020-05-28 | 2020-05-28 | Device for measuring temperature of digital temperature sensor ammeter wiring terminal |
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| CN211855593U true CN211855593U (en) | 2020-11-03 |
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| CN202020931467.9U Active CN211855593U (en) | 2020-05-28 | 2020-05-28 | Device for measuring temperature of digital temperature sensor ammeter wiring terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465754A (en) * | 2021-06-07 | 2021-10-01 | 芯海科技（深圳）股份有限公司 | Temperature monitoring system and temperature monitoring method thereof |
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2020
- 2020-05-28 CN CN202020931467.9U patent/CN211855593U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465754A (en) * | 2021-06-07 | 2021-10-01 | 芯海科技（深圳）股份有限公司 | Temperature monitoring system and temperature monitoring method thereof |
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