CN210037886U

CN210037886U - Open-type current sensor installs shell

Info

Publication number: CN210037886U
Application number: CN201920506400.8U
Authority: CN
Inventors: 王秀; 郭钢; 胡高峰
Original assignee: Yichang Rui Magnetic Technology Co Ltd
Current assignee: Yichang Rui Magnetic Technology Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-07
Anticipated expiration: 2029-04-15

Abstract

An open type current sensor mounting shell comprises an upper shell and a lower shell which are hinged with each other, wherein a lower magnetic core mounting groove and a lower circuit board mounting groove are formed in the lower shell, and an upper magnetic core mounting groove and an upper circuit board mounting groove are formed in the upper shell; a through hole for a lead to be tested to pass through is formed in the upper shell, and a notch for the lead to pass through is formed in the side wall of the lower shell; and locking devices are arranged on the opening and closing sides of the upper shell and the lower shell. The utility model provides an open-type current sensor installs shell can be applicable to the installation standard in elevator field to be convenient for install.

Description

Open-type current sensor installs shell

Technical Field

The utility model relates to a sensor technical field, especially an open-type current sensor installs shell.

Background

With the continuous development of the modern construction of our country, the number and the scale of high-rise buildings are continuously enlarged, and elevators are important vertical transportation tools in the high-rise buildings. By the end of 2018, the quantity of elevator reserves in China exceeds 500 thousands, and the safety, stability and reliability of the elevators relate to the normal life and life safety of people. The current elevator management work still adopts the traditional manpower inspection mode, the efficiency is low, the reaction is delayed, and a series of casualty accidents are caused, so how to continuously maintain the safety and the reliability of the elevator and improve the emergency rescue capability of trapped people become the problem of social concern. Therefore, modern elevator thing networking industry is in the process of taking place, and each item problem such as control, early warning, rescue, maintenance of elevator operation has systematically been solved, and wherein, data acquisition sensor is the source of all information, data more, and the importance is self-evident. The signal that prior art sent to the elevator controller does not have real time monitoring, like this for example the elevator should not open the door when opening the door, does not close the door when should closing the door, and we do not know like this on earth that the controller does not send the instruction or actuating mechanism does not carry out and targets in place, so the utility model discloses should transport and come to life, the utility model discloses install in control signal's return circuit, judge control system through monitoring control signal's operating current and whether given control signal, just so can fix a position failure reason fast, supply the maintainer investigation. The RCEI open type structure design can lead the lead to pass through the sensor to accord with the latest standard GB/T24476-2017 of the elevator Internet of things without changing the original wiring state. The sensor has small volume and light weight, can be fixed on a lead, and is very convenient to install.

Disclosure of Invention

The utility model aims to solve the technical problem that an open-type current sensor installs shell is provided, can be applicable to the installation standard in elevator field to be convenient for install.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an open type current sensor mounting shell comprises an upper shell and a lower shell which are hinged with each other, wherein a lower magnetic core mounting groove and a lower circuit board mounting groove are formed in the lower shell, and an upper magnetic core mounting groove and an upper circuit board mounting groove are formed in the upper shell; a through hole for a lead to be tested to pass through is formed in the upper shell, and a notch for the lead to pass through is formed in the side wall of the lower shell; and locking devices are arranged on the opening and closing sides of the upper shell and the lower shell.

Preferably, the articulated position of casing is equipped with articulated seat down, is equipped with the round bar between articulated seat, is equipped with the articulated hook with round bar matched with at the articulated position of last casing.

Preferably, a buckle plate is arranged at the opening and closing end of the upper shell, a lock hole is formed in the buckle plate, and a wedge-shaped protrusion matched with the lock hole is arranged at the opening and closing end of the lower shell.

Preferably, the notch is arranged on the side wall of the lower shell close to one side of the lower circuit board mounting groove.

Preferably, a buffer plate is arranged at the top of the upper shell.

Preferably, the inner side of the lower end of the pinch plate is of a bevel structure.

Preferably, the top of the upper shell is provided with a die drawing hole.

The utility model provides an open-type current sensor installs shell has following beneficial effect:

1. the utility model is used in cooperation with the magnetic core, and non-contact measurement can be carried out by adopting the fluxgate principle;

2. the open type shell can be used for installing the device under the condition of not changing the original wiring;

3. the small volume allows the sensor to be mounted on a wire.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the lower housing of the present invention;

fig. 3 is a schematic structural view of the upper housing of the present invention;

fig. 4 is a sectional view of the upper case of the present invention;

fig. 5 is a schematic structural view of the present invention in use.

Detailed Description

As shown in fig. 1 to 3, an open type current sensor mounting case includes an upper case 2 and a lower case 1 hinged to each other, a lower magnetic core mounting groove 3 and a lower circuit board mounting groove 4 are provided in the lower case 1, and an upper magnetic core mounting groove 5 and an upper circuit board mounting groove 6 are provided in the upper case 2; a through hole 7 for a lead to be tested to pass through is formed in the upper shell 2, and a notch 8 for the lead to pass through is formed in the side wall of the lower shell 1; the opening and closing sides of the upper shell 2 and the lower shell 1 are provided with locking devices.

Preferably, the hinge joint of the lower shell 1 is provided with hinge seats 9, a round rod 10 is arranged between the hinge seats 9, and the hinge joint of the upper shell 2 is provided with a hinge hook 11 matched with the round rod 10. The installation of casing and lower casing is convenient for, need not the use of tool and can assemble.

Preferably, a pinch plate 12 is arranged at the opening and closing end of the upper shell 2, a lock hole 13 is arranged on the pinch plate 12, and a wedge-shaped protrusion 14 matched with the lock hole 13 is arranged at the opening and closing end of the lower shell 1.

Preferably, the notch 8 is formed on the side wall of the lower case 1 near the lower circuit board mounting groove 4.

Preferably, as shown in fig. 4, a buffer plate 15 is provided on the top of the upper case 2. After the annular magnetic core is packed into, buffer board 15 is used for compressing tightly the magnetic core, and the buffer board is similar to spring structure, can take place deformation, guarantees that the magnetic core contact surface can contact well, can not appear the gap.

Preferably, the inner side of the lower end of the pinch plate 12 is of a bevel structure. The ramp structure and the wedge-shaped protrusion 14. And cooperate to facilitate the entry of the wedge-shaped protrusion 14 into the locking hole 13.

Preferably, as shown in fig. 5, the top of the upper shell 2 is provided with a mold drawing hole 16.

Preferably, the upper shell 2 and the lower shell 1 are made of plastic materials and are molded by opening a die.

The utility model is used for install the magnetic core, adopt fluxgate principle to detect weak current signal, but the high accuracy that hall principle can not reach. Stipulate in elevator thing networking newest standard GB/T24476 supplyes the additional sensor and the electrical wiring of elevator equipment itself does not have any connection, should not influence the original function of elevator equipment and operation safety, and should accord with the application occasion of elevator equipment to the requirement (like fire control, explosion-proof etc.) of additional sensor, the utility model discloses open-type non-contact design can not change under the condition of original wiring, will await measuring the wire and pass the utility model discloses to there is not any electrical contact. The small volume enables the utility model to be installed on the wire. During the use, pack into magnetic core 17 in lower magnetic core mounting groove 3 and last magnetic core mounting groove 5 to set up winding device 18 on magnetic core 17 in lower magnetic core mounting groove 3, place the circuit board in lower circuit board mounting groove 4, the circuit connection on wire-wound both ends and the circuit board.

Claims

1. An open-type current sensor installs shell which characterized in that: the magnetic circuit board mounting structure comprises an upper shell (2) and a lower shell (1) which are hinged with each other, wherein a lower magnetic core mounting groove (3) and a lower circuit board mounting groove (4) are formed in the lower shell (1), and an upper magnetic core mounting groove (5) and an upper circuit board mounting groove (6) are formed in the upper shell (2); a through hole (7) for a lead to be tested to pass through is arranged in the upper shell (2), and a notch (8) for the lead to pass through is arranged on the side wall of the lower shell (1); the opening and closing sides of the upper shell (2) and the lower shell (1) are provided with locking devices.

2. The open current sensor mounting case of claim 1, wherein: articulated department of casing (1) is equipped with articulated seat (9) down, is equipped with round bar (10) between articulated seat (9), is equipped with articulated hook (11) with round bar (10) matched with in the articulated department of last casing (2).

3. The open current sensor mounting case of claim 1, wherein: a pinch plate (12) is arranged at the opening and closing end of the upper shell (2), a lock hole (13) is arranged on the pinch plate (12), and a wedge-shaped bulge (14) matched with the lock hole (13) is arranged at the opening and closing end of the lower shell (1).

4. The open current sensor mounting case of claim 1, wherein: the notch (8) is arranged on the side wall of the lower shell (1) close to one side of the lower circuit board mounting groove (4).

5. The open current sensor mounting case of claim 1, wherein: the top of the upper shell (2) is provided with a buffer plate (15).

6. The open current sensor mounting case of claim 3, wherein: the inner side of the lower end of the pinch plate (12) is of an inclined plane structure.

7. The open current sensor mounting case of claim 1, wherein: the top of the upper shell (2) is provided with a die drawing hole (16).