CN220829554U

CN220829554U - Wireless voltage sensor

Info

Publication number: CN220829554U
Application number: CN202322421285.3U
Authority: CN
Inventors: 孟海龙; 潘伟杰
Original assignee: Shanghai Fanatong Electron Co ltd
Current assignee: Shanghai Fanatong Electron Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-23
Anticipated expiration: 2033-09-07

Abstract

The utility model discloses a wireless voltage sensor, which belongs to the technical field of sensors and comprises a first shell and a second shell, wherein two screws are arranged in the first shell and the second shell, and the same OLED display screen is arranged between the first shell and the second shell; according to the utility model, the sensor can measure direct current and alternating current data according to actual conditions by being provided with the control assembly, the first interface, the second interface and the OLED display screen, so that the sensor has higher applicability, and can be directly spliced with external JK5 through the second interface without wiring, the operation is simple, the sensor can be independently used, the sensor can automatically measure the voltage of a power distribution loop, the measured data is transmitted to the control center of the Internet of things and the OLED display screen through a WIFI or RS485 signal line, and a pair of conversion dry contacts are arranged inside the sensor, so that the sensor can automatically and real-timely acquire the voltage of the power distribution loop.

Description

Wireless voltage sensor

Technical Field

The utility model belongs to the technical field of sensors, and particularly relates to a wireless voltage sensor.

Background

A voltage sensor refers to a sensor that senses a measured voltage and converts it into a usable output signal. In various automatic detection and control systems, tracking acquisition is often required for alternating current and direct current voltage signals which change at high speed, and spectrum analysis is often required for relatively complex voltage waveforms.

The voltage sensor on the market has low applicability, can not be used in butt joint with the existing GK5 series products, and at present, the traditional products on the market need to be connected with a power line, a detection line and even 485 data communication lines, at least 6 wires are needed, complicated wiring operation is needed, and the operation is complex, so that the wireless voltage sensor is needed to solve the problems.

Disclosure of utility model

The present utility model is directed to a wireless voltage sensor, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the wireless voltage sensor comprises a first shell and a second shell, two screws are arranged in the first shell and the second shell, the same OLED display screen is arranged between the first shell and the second shell, and a first interface, a control assembly and a second interface are arranged in the first shell and the second shell.

As a preferred implementation mode, the first shell comprises a first shell body, the front surface of the first shell body is connected with a first limiting block, the first shell body is connected with two screws in a threaded mode, the OLED display screen is clamped in the first limiting block, and the first interface, the control assembly and the second interface are all arranged in the first shell body.

As a preferred implementation mode, the second shell comprises a second shell body, the front face of the second shell body is connected with a second limiting block, the second shell body is connected with two screws in a threaded mode, the OLED display screen is clamped in the second limiting block, and the first interface, the control assembly and the second interface are all arranged in the second shell body.

As a preferred implementation mode, the control assembly comprises a voltage and voltage detection chip, an internal working power supply, a main controller and a relay, wherein the voltage and voltage detection chip, the internal working power supply, the main controller and the relay are all connected in a first shell, the voltage and voltage detection chip, the internal working power supply, the main controller and the relay are all lapped in a second shell, and the front surface of the main controller is connected with an OLED display screen.

As a preferred embodiment, the first interface is a voltage sampling interface, and the second interface is an RS485 communication interface.

As a preferable implementation mode, the shapes of the first limiting block and the second limiting block are L-shaped, and the cross section of the OLED display screen is T-shaped.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the control assembly, the first interface, the second interface and the OLED display screen are arranged, when the first interface is connected with a power supply in the external distribution box, when the current in the power supply is direct current, the data measured by the sensor are direct current, and when the current in the power supply is alternating current, the data measured by the sensor are alternating current, so that the sensor has higher applicability, the sensor can be directly spliced with the external JK5 through the second interface without wiring, the operation is simple, the sensor can be independently used, the structure is simple, the working voltage range is wide, the sensor can automatically measure the voltage of a distribution circuit, the measured data can be transmitted to the control center of the Internet of things and the OLED display screen through a WIFI or RS485 signal wire, and a pair of conversion dry contacts are arranged in the sensor, so that the sensor can automatically and timely acquire the voltage of the distribution circuit;

According to the utility model, the relay is arranged, and the relay is internally provided with the auxiliary contact, so that an automatic function can be realized, when the measured voltage is higher than the set voltage, the contact of the relay is normally opened and closed, and normally closed is opened, so that the auxiliary contact can be used for driving the tripping coil of the upper circuit breaker to be opened to achieve the purpose of overvoltage protection, and meanwhile, the current voltage information is uploaded to the control center of the Internet of things.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of an enlarged structure of FIG. 1A according to the present utility model;

Fig. 3 is a schematic diagram of a cross-sectional structure of the present utility model in front perspective.

In the figure: 1. a first housing; 11. a first housing; 12. a first limiting block; 2. a second housing; 21. a second housing; 22. a second limiting block; 3. a screw; 4. an OLED display screen; 5. a first interface; 6. a control assembly; 61. a voltage detection chip; 62. an internal working power supply; 63. a main controller; 64. a relay; 7. and a second interface.

Detailed Description

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-3, the present utility model provides a wireless voltage sensor, which includes a first housing 1 and a second housing 2, two screws 3 are disposed in the first housing 1 and the second housing 2, a same OLED display 4 is disposed between the first housing 1 and the second housing 2, a first interface 5, a control component 6 and a second interface 7 are disposed in the first housing 1 and the second housing 2, the first housing 1 includes a first housing 11, the front surface of the first housing 11 is connected with a first limiting block 12, the first housing 11 is in threaded connection with the two screws 3, and the first housing 1 and the second housing 2 can be connected together by the screws 3 disposed between the first housing 1 and the second housing 2;

The OLED display screen 4 is clamped in the first limiting block 12, the first interface 5, the control assembly 6 and the second interface 7 are all arranged in the first shell 11, the second shell 2 comprises a second shell 21, and through arranging the first shell 1 and the second shell 2, as the first shell 1 and the second shell 2 are provided with conversion dry contacts, the pair of conversion dry contacts can be used for realizing automation such as voltage exceeding a set value, and the contact action control protection switch is separated;

The front face of the second shell 21 is connected with a second limiting block 22, the second shell 21 is in threaded connection with two screws 3, the OLED display screen 4 is clamped in the second limiting block 22, and the OLED display screen 4 can be limited and fixed on the front faces of the first shell 1 and the second shell 2 by arranging a first limiting block 12 and a second limiting block 22 and mutually matching the first limiting block 12 and the second limiting block 22;

The first interface 5, the control component 6 and the second interface 7 are all arranged in the second shell 21, the control component 6 comprises a voltage and voltage detection chip 61, an internal working power supply 62, a main controller 63 and a relay 64, the voltage detection chip 61 is arranged, real voltage is acquired by the voltage detection chip 61, and the voltage acquisition can be connected with the working power supply through the same interface; by providing the internal operating power supply 62, the internal operating power supply 62 converts AC50-750V AC power to dc12V so that the sensor can directly draw power from the measurement loop when measuring AC power;

The voltage and voltage detection chip 61, the internal working power supply 62, the main controller 63 and the relay 64 are all connected in the first shell 11, and the main controller 63 drives the OLED display screen 4 to display voltage data and drives the WiFi control circuit through the arrangement of the main controller 63;

the voltage and voltage detection chip 61, the internal working power supply 62, the main controller 63 and the relay 64 are all lapped in the second shell 21, and the DC-DC conversion circuit in the relay 64 reduces the 12V power supply above to 3.3V for the WiFi circuit and the singlechip control circuit to use;

The front surface of the main controller 63 is connected with the OLED display screen 4, the first interface 5 is set as a voltage sampling interface, the second interface 7 is set as an RS485 communication interface, and by setting the second interface 7, the second interface 7 can be used for RS485 wired communication as the second interface 7 is set as an RS485 communication interface, and the second interface 7 can also be communicated with GK5 of a Fanetwork company and an Internet of things platform of the Fanetwork company;

the first stopper 12 and the second stopper 22 are each L-shaped, and the cross-sectional shape of the OLED display screen 4 is T-shaped.

The working principle and the using flow of the utility model are as follows: after the sensor is connected with a power supply of an external distribution box through a first structure, the sensor can detect the voltage of all points needing to be monitored in the distribution box, then the voltage value is transmitted back to an Internet platform, the mobile phone end APP and the computer end can visually check data or put the data on a large screen of a monitoring center, so that the real-time voltage of a position needing to be monitored is visually mastered, and the sensor can work in cooperation with the JK5 after being spliced with the external JK 5.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Wireless voltage sensor, including first shell (1) and second shell (2), its characterized in that: two screws (3) are arranged in the first housing (1) and the second housing (2), the same OLED display screen (4) is arranged between the first housing (1) and the second housing (2), and a first interface (5), a control assembly (6) and a second interface (7) are arranged in the first housing (1) and the second housing (2).

2. The wireless voltage sensor of claim 1, wherein: the OLED display screen (4) is clamped in the first limiting block (12), and the first interface (5), the control component (6) and the second interface (7) are all arranged in the first shell (11).

3. The wireless voltage sensor of claim 2, wherein: the second housing (2) comprises a second housing (21), the front face of the second housing (21) is connected with a second limiting block (22), the second housing (21) is in threaded connection with two screws (3), the OLED display screen (4) is clamped in the second limiting block (22), and the first interface (5), the control assembly (6) and the second interface (7) are all arranged in the second housing (21).

4. A wireless voltage sensor according to claim 3, characterized in that: the control assembly (6) comprises a voltage detection chip (61), an internal working power supply (62), a main controller (63) and a relay (64), wherein the voltage detection chip (61), the internal working power supply (62), the main controller (63) and the relay (64) are all connected in the first shell (11), the voltage detection chip (61), the internal working power supply (62), the main controller (63) and the relay (64) are all lapped in the second shell (21), and the front surface of the main controller (63) is connected with the OLED display screen (4).

5. The wireless voltage sensor of claim 1, wherein: the first interface (5) is set to be a voltage sampling interface, and the second interface (7) is set to be an RS485 communication interface.

6. A wireless voltage sensor according to claim 3, characterized in that: the shapes of the first limiting block (12) and the second limiting block (22) are L-shaped, and the cross section of the OLED display screen (4) is T-shaped.