CN212009839U

CN212009839U - Multifunctional combined type miniaturized intelligent sensor

Info

Publication number: CN212009839U
Application number: CN202020707392.6U
Authority: CN
Inventors: 柴徐杰
Original assignee: Zhejiang Yongtailong Electronic Co ltd
Current assignee: Zhejiang Yongtailong Electronic Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-24
Anticipated expiration: 2030-04-30

Abstract

The utility model provides a miniaturized intelligent sensor of many function combination formula, including connecting in the host computer sensor of power input end, its characterized in that, the host computer sensor is connected with two at least from the machine sensor through data transmission channel, and respectively from the power end of machine sensor all connect in the host computer sensor with by the host computer sensor provides the power to respectively from the machine sensor, the host computer sensor still is connected with wireless module, and the host computer sensor passes through wireless module to be connected in order to reach the monitoring data transmission to the server from the machine sensor with the host computer sensor. The scheme provides a main sensor and a plurality of slave sensors at the same time, a single main sensor can be used as a single-phase meter, one main machine and one or more slave machines can be combined into a three-phase three-wire meter, a three-phase four-wire meter or a plurality of single-phase meters for use, a plurality of metering modes are provided, and the metering requirements of various different occasions can be met.

Description

Multifunctional combined type miniaturized intelligent sensor

Technical Field

The utility model belongs to the technical field of the sensor, especially, relate to a miniaturized intelligent sensor of many function combination formula.

Background

With the rapid development of economy in China, the demand of various industries on electricity is increasing, and the urban power distribution system is continuously transformed and updated, and is rapidly developed in informatization, networking and intellectualization. The requirements on the safety and stability of electricity utilization are increasing. The power equipment is often influenced by loads such as electricity, heat, machinery and the like, natural environment temperature and humidity and manual operation during operation, and the problems of aging, overload and the like are easily caused after long-term operation, so that dangerous safety accidents occur. The traditional method for monitoring the state of the power equipment is frequent manual inspection and regular preventive maintenance and experiments. This conventional method is inefficient, time consuming, labor intensive, and may pose a certain risk to the worker. With the development of sensing technology and computer technology, the monitoring method of the power equipment is developing towards automation and intellectualization. For example, the state of the power equipment is monitored by an intelligent sensor at present, and monitoring data is transmitted to a background in a wireless or wired mode so as to realize remote automatic monitoring. However, the prior art can only carry out single-phase monitoring or three-phase monitoring on the power monitoring intelligent sensor for monitoring the state of the power equipment, and has the problem of single mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a miniaturized intelligent sensor of many function combination formula is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the multifunctional combined type miniaturized intelligent sensor comprises a host sensor connected to a power input end, and is characterized in that the host sensor is connected with at least two slave sensors through a data transmission channel, the power supply end of each slave sensor is connected to the host sensor so that the host sensor provides power for each slave sensor, the host sensor is further connected with a wireless module, and the host sensor is connected to a server through the wireless module so that monitoring data of the host sensor and the slave sensors can be transmitted to the server.

Through the technical scheme, the main sensor and the multiple slave sensors are provided at the same time, a single main sensor can be used as a single-phase meter, one main machine and one or more slave machines can be combined into a three-phase three-wire meter, a three-phase four-wire meter or multiple single-phase meters for use, multiple metering modes are provided, and the metering requirements of multiple different occasions can be met.

In the multifunctional combined type miniaturized intelligent sensor, the host sensor and the slave sensor are both connected to the first RS485 module, so that the first RS485 module forms the data transmission channel.

In the multifunctional combined type miniaturized intelligent sensor, the host sensor is connected with at least three slave sensors through the first RS485 module.

In the above multifunctional combined type miniaturized intelligent sensor, the wireless module is a WIFI module.

By the technical scheme, the MIFI module is used as the wireless module, and remote reading and monitoring can be performed.

In the multifunctional combined type miniaturized intelligent sensor, a second RS485 module is arranged outside the host sensor and is in communication connection with an upper computer through the second RS485 module.

In the multifunctional combined type miniaturized intelligent sensor, a second RS485 module is arranged outside the host sensor and is in communication connection with the PLC through the second RS485 module.

Through the technical scheme, the external RS485 module is provided and can be connected with an upper computer or a PLC for communication.

In the multifunctional combined type miniaturized intelligent sensor, the host sensor is connected with any one or more reserved interfaces of a temperature sensor reserved interface, a leakage current sensor reserved interface and a digital output reserved interface.

Through the technical scheme, the intelligent sensor can detect parameters such as temperature and leakage current by externally connecting a temperature sensor and a leakage current sensor according to requirements besides detecting power parameters in a mode of reserving the interface.

In the multifunctional combined type miniaturized intelligent sensor, the host sensor is externally connected with a Uart interface.

Through the technical scheme, a UART interface is also provided at the same time to provide a plurality of communication modes.

The utility model has the advantages that: the utility model discloses provide main sensor and a plurality of slave sensor simultaneously, carry out the communication with main sensor and slave sensor through RS485 communication mode and connect to provide multiple metering mode, satisfy the measurement demand of multiple different occasions.

Drawings

Fig. 1 is a block diagram of the circuit structure of the multifunctional combined miniaturized intelligent sensor of the present invention;

fig. 2 is a circuit configuration diagram of the WiFi module.

Reference numeral, host sensor 1; a server 2; a first RS485 module 3; a WIFI module 4; a second RS485 module 5; an upper computer 6; PLC communication 7; a temperature sensor reserved interface 81; a leakage current sensor reserved interface 82; a digital output reservation interface 83; uart interface 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the present embodiment discloses a multifunctional combined miniaturized intelligent sensor, which includes a master sensor 1 connected to a power input end, where the master sensor 1 is connected to at least two slave sensors through a data transmission channel, and in the present embodiment, three slave sensors are taken as an example, and in fig. 1, the three slave sensors are respectively a slave sensor N1, a slave sensor N2, and a slave sensor N3.

In particular, the master sensor 1 and the slave sensor are both connected to the first RS485 module 3, so that the first RS485 module 3 forms the data transmission channel. The master sensor 1 and each slave sensor communicate with each other through RS 485.

Further, the power supply terminals of the slave sensors are each connected to the master sensor 1 to supply power from the master sensor 1 to each of the slave sensors. The host sensor 1 is further connected with a wireless module, and the host sensor 1 is connected with the server 2 through the wireless module so as to transmit monitoring data of the host sensor 1 and the slave sensor to the server 2.

The single master sensor 1 can be used for forming a single-phase electric meter, when the master sensor 1 and a plurality of slave sensors are combined for use, the single-phase electric meter can be used as a three-phase three-wire or three-phase four-wire meter, and can be combined into a plurality of single-phase meters for use, so that various metering modes can be realized, and the requirements of various occasions can be met.

Specifically, the wireless module here is a WIFI module 4, and can perform remote reading and monitoring. As shown in fig. 2, the WIFI module 4 is composed of a WIFI chip U2, a resistor R10/R11/R12/R13/R14/R15/R16/R17, a capacitor C14/C15 and a magnetic bead N1, and the magnetic bead N1 is connected with the WIFI chip U2 and an isolation power supply, so that high-frequency noise and spike interference on a power line can be effectively suppressed. The isolated power is provided by DC/DC U10 through electrolytic capacitor C60, diode D6 and regulator tube IC 20. The WIFI communication is isolated from the main sensor 1 through an isolation chip IC6, an optical coupler U13, a resistor R70/R72/R73 and a capacitor C63/C64 so as to protect circuit elements. In addition, the WIFI module 4 adopts an external antenna WIFI _ ANT to ensure signal strength.

Further, host computer sensor 1 is provided with second RS485 module 5 outward, and through second RS485 module 5 and host computer 6 or PLC7 communication connection make things convenient for other equipment to insert the control.

In addition, the host sensor 1 is further connected with a temperature sensor reserved interface 81, a leakage current sensor reserved interface 82 and a digital output reserved interface 83, so that convenience is provided for monitoring and upgrading subsequent temperature and leakage current. The temperature and the leakage current on the circuit can be detected through the external temperature sensor and the external leakage current sensor.

Further, the host sensor 1 is externally connected with a Uart interface 9 to provide multiple communication modes.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although host sensor 1 is used more herein; a server 2; a first RS485 module 3; a WIFI module 4; a second RS485 module 5; an upper computer 6; PLC communication 7; a temperature sensor reserved interface 81; a leakage current sensor reserved interface 82; a digital output reservation interface 83; uart interface 9, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a miniaturized intelligent sensor of many function combination formula, is including connecting in the host computer sensor (1) of power input end, its characterized in that, host computer sensor (1) is connected with two at least from the machine sensor through data transmission channel, and the power end of each from the machine sensor all connects in host computer sensor (1) in order by host computer sensor (1) provides the power to each from the machine sensor, host computer sensor (1) still is connected with wireless module, and host computer sensor (1) connects in server (2) through wireless module with the monitoring data transmission of host computer sensor (1) and from the machine sensor to server (2).

2. The miniaturized smart sensor of claim 1, wherein said master sensor (1) and slave sensors are connected to a first RS485 module (3) to form said data transmission channel from said first RS485 module (3).

3. The miniaturized smart sensor of claim 2, characterized in that the master sensor (1) is connected with at least three slave sensors through a first RS485 module (3).

4. The miniaturized, multi-functional combined smart sensor of claim 3, wherein said wireless module is a WIFI module (4).

5. The multifunctional combined type miniaturized intelligent sensor of claim 4, wherein a second RS485 module (5) is arranged outside the host sensor (1) and is in communication connection with the upper computer (6) through the second RS485 module (5).

6. The multifunctional combined type miniaturized intelligent sensor of claim 4, wherein a second RS485 module (5) is arranged outside the host sensor (1) and is in communication connection with the PLC (7) through the second RS485 module (5).

7. The multifunctional combined type miniaturized intelligent sensor according to claim 5 or 6, characterized in that the host sensor (1) is connected with any one or more reserved interfaces of a temperature sensor reserved interface (81), a leakage current sensor reserved interface (82) and a digital output reserved interface (83).

8. The miniaturized smart sensor of claim 7, wherein said host sensor (1) is further externally connected to a Uart interface (9).