CN213932565U

CN213932565U - Structure of sensor

Info

Publication number: CN213932565U
Application number: CN202023098036.8U
Authority: CN
Inventors: 冯亚东; 刘正鹏; 朱继红; 陈永奎
Original assignee: Suzhou Yundian Electric Power Technology Co ltd
Current assignee: Suzhou Yundian Electric Power Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-10
Anticipated expiration: 2030-12-21

Abstract

The utility model provides a structure of sensor, including rotation axis, bearing, cap, magnet steel, control panel, binding post and casing, the bearing is fixed on the rotation axis, and the rotation axis is fixed on the cap, sealing connection between cap and the casing, and the magnet steel is fixed on the rotation axis, and control panel and binding post establish on the casing, still are equipped with retaining ring and the rotatory gram circle of axle on the rotation axis, still are equipped with sealing washer and waterproof ventilated membrane on the casing. This structure molding elegant appearance, processing and equipment are simple and convenient, have IP 67's shell protection level, have carried out optimal design to the sealed of equipment and electromagnetic compatibility, have integrateed humiture and angle function as an organic whole, realize integrating of multi-functional different sensors.

Description

Structure of sensor

Technical Field

The utility model belongs to the technical field of the sensor, concretely relates to structure of sensor.

Background

The detection technology is used as an important branch of information science, and forms a complete subject of the information technology together with computer technology, automation control technology, communication technology and the like. The sensor is one of basic technologies for realizing informatization as an important means for information acquisition and information conversion. The view of "without sensors and without modern scientific technology" is recognized worldwide. With the continuous promotion and development of sensors, a single sensor can not meet the current market demand, and the integration of a plurality of sensors with different functions is a necessary way for the development of intelligent products and is an important research direction of a new generation of intelligent information technology. The occasions where the current sensors are applied are more and more extensive, so that the use environment of the sensors is also more and more severe. The harsh working environment requires the sensor to have the protection level of IP67 shell, higher electromagnetic shielding requirement. Therefore, high demands are placed on the corresponding structural design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a structure of sensor, collection temperature and humidity and angle integration, protection level is high, and is small.

The utility model provides a following technical scheme:

the utility model provides a structure of sensor, its characterized in that, includes rotation axis, bearing, cap, magnet steel, control panel, binding post and casing, the bearing is fixed on the rotation axis, the rotation axis is fixed on the cap, the cap with sealing connection between the casing, the magnet steel is fixed on the rotation axis, the control panel with binding post establishes on the casing, still be equipped with retaining ring and axle on the rotation axis and use rotatory gram circle, still be equipped with sealing washer and waterproof ventilated membrane on the casing.

Preferably, an annular groove is formed in the circumference of the shell cover, a sealing strip is filled in the groove, and the shell cover are connected in a sealing mode through the sealing strip.

Preferably, the shaft is mounted at a contact position of the housing cover and the rotary shaft with a rotary grand ring.

Preferably, the magnetic steel is solid magnetic steel, and the magnetic steel is fixed at the bottom of the rotating shaft through strong glue adhesion.

Preferably, the control panel is provided with a magnetic sensing chip and a temperature and humidity sensing chip, the center of the magnetic sensing chip is aligned with the center of the magnetic steel, and the distance between the magnetic steel and the magnetic sensing chip is controlled to be 1.5mm-3 mm.

Preferably, the lateral wall and the bottom of casing are equipped with lateral wall trompil and bottom trompil respectively, bottom trompil department is equipped with the boss, waterproof ventilated membrane passes through the viscose and pastes bottom trompil department, binding post installs in the lateral wall trompil.

Preferably, the viscose is salt fog resistant viscose.

Preferably, the sealing ring is adhered to the boss of the shell, the sealing ring is in extrusion contact with the control panel, and the center of the sealing ring is aligned with the center of the temperature and humidity sensing chip on the control panel.

Preferably, the connecting terminal is further provided with an O-shaped ring, the connecting terminal is connected with the shell in a sealing mode through the O-shaped ring, and the connecting terminal is electrically connected with the control panel through a connecting wire.

The utility model has the advantages that: overall structure molding elegant appearance, processing and equipment are simple and convenient, mode such as salt mist-proof adhesive tape subsides through sealing connection mode and waterproof ventilated membrane, the shell protection level that has IP67 that makes the structure of sensor, simultaneously through the sealing strip that adopts the electric rubber material, improve overall structure's electromagnetic compatibility, temperature and humidity sensing chip and magnetic force sensing chip integration are on a control panel, install in a sensor cavity, realize integrating of multi-functional different sensor, the sensor volume has been reduced, the bottom of casing is equipped with the boss, temperature and humidity sensing chip is located the boss and is close to outside position, improve the accuracy that temperature sensor chip detected external humiture, reduce the influence of the inside humiture of sensor cavity to temperature and humidity sensing chip, make the reliability of whole sensor structure higher.

Drawings

The accompanying drawings 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 and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic sectional structure diagram of the present invention.

Detailed Description

As shown in the figure, for the utility model provides a pair of sensor's structure, including rotation axis 1, bearing 3, cap 5, magnet steel 7, control panel 8, binding post 10 and casing 11, bearing 3 fixes on rotation axis 1, and rotation axis 1 fixes on cap 5, is equipped with the annular recess on cap 5's the circumference, and the recess intussuseption is filled with sealing strip 4, and casing 11 and cap 5 pass through sealing strip 4 sealing connection, and wherein sealing strip 4 adopts the conductive rubber material, improves overall structure's electromagnetic compatibility ability. The magnetic steel 7 is fixed on the rotating shaft 1, the magnetic steel 7 is solid magnetic steel, and the magnetic steel 7 is fixed at the bottom of the rotating shaft 1 through strong glue adhesion. Control panel 8 and binding post 10 establish on casing 11, still are equipped with O type circle on binding post 10, and binding post 10 passes through O type circle and 11 sealing connection of casing, and binding post 10 passes through connecting wire and 8 electric connection of control panel. The rotating shaft 1 is further provided with a check ring 2 and a rotating flange ring 6 for the shaft, the rotating flange ring 6 for the shaft is arranged at the contact position of the shell cover 5 and the rotating shaft 1, the shell body 11 is further provided with a sealing ring 9 and a waterproof breathable film 12, and the waterproof breathable film 12 is adhered to the shell body 11 through salt mist-proof adhesive. The protection level of the whole structure is improved by a sealing connection mode, a salt mist-proof adhesive tape sticking mode of the waterproof breathable film 12 and the like, so that the structure of the sensor meets the protection level of the shell of IP 67.

The control panel 8 is provided with a magnetic sensing chip 801 and a temperature and humidity sensing chip 802, the center of the magnetic sensing chip 801 is aligned with the center of the magnetic steel 7, and the distance between the magnetic steel 7 and the magnetic sensing chip is controlled to be 1.5mm-3 mm. Temperature and humidity sensing chip 802 and magnetic force sensing chip 801 are integrated on a module and installed in a sensor cavity, so that integration of different multifunctional sensors is realized.

Lateral wall and bottom of casing 11 are equipped with lateral wall trompil and bottom trompil respectively, and bottom trompil department is equipped with the boss, and waterproof ventilated membrane 12 passes through the viscose and pastes in bottom trompil department, and binding post 10 installs in the lateral wall trompil. The sealing ring 9 is pasted on a boss of the shell 11, the sealing ring 9 is in extrusion contact with the control panel 8, the center of the sealing ring 9 is aligned with the center of the temperature and humidity sensing chip 802 on the control panel 8, and the temperature and humidity sensing chip 802 is located in the boss and close to the outer position, so that the accuracy of the temperature sensor chip 802 in detecting the external temperature and humidity is improved, and the influence of the temperature and humidity inside the sensor cavity on the temperature and humidity sensing chip 802 is reduced.

The utility model discloses overall structure molding elegant appearance, processing and equipment are simple and convenient, have IP 67's shell protection level, have carried out the optimal design to the sealed of equipment and electromagnetic compatibility, have integrateed humiture and angle function as an organic whole, realize integrating of multi-functional different sensors.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a structure of sensor, its characterized in that includes rotation axis (1), bearing (3), cap (5), magnet steel (7), control panel (8), binding post (10) and casing (11), bearing (3) are fixed on rotation axis (1), rotation axis (1) is fixed on cap (5), cap (5) with sealing connection between casing (11), magnet steel (7) are fixed on rotation axis (1), control panel (8) with binding post (10) are established on casing (11), still be equipped with retaining ring (2) and axle on rotation glan ring (6), still be equipped with sealing washer (9) and waterproof ventilated membrane (12) on casing (11).

2. The sensor structure according to claim 1, characterized in that the circumference of the housing cover (5) is provided with a ring-shaped groove, the groove is filled with a sealing strip (4), and the housing (11) and the housing cover (5) are connected in a sealing way through the sealing strip (4).

3. The sensor arrangement according to claim 1, characterized in that the shaft is mounted with a rotating gelan ring (6) at the contact position of the housing cover (5) and the rotating shaft (1).

4. The sensor structure according to claim 1, characterized in that the magnetic steel (7) is solid magnetic steel, and the magnetic steel (7) is fixed at the bottom of the rotating shaft (1) by strong glue.

5. The structure of the sensor according to claim 1, characterized in that a magnetic sensing chip (801) and a temperature and humidity sensing chip (802) are arranged on the control board (8), the center of the magnetic sensing chip (801) is aligned with the center of the magnetic steel (7), and the distance between the magnetic steel (7) and the magnetic sensing chip is controlled to be 1.5mm-3 mm.

6. The sensor structure according to claim 1, characterized in that the side wall and the bottom of the housing (11) are respectively provided with a side wall opening and a bottom opening, the bottom opening is provided with a boss, the waterproof and breathable membrane (12) is adhered to the bottom opening through an adhesive, and the terminal (10) is installed in the side wall opening.

7. The sensor structure of claim 6, wherein the adhesive is salt fog resistant adhesive.

8. The sensor structure according to claim 6, characterized in that the sealing ring (9) is adhered to the boss of the housing (11), the sealing ring (9) is in pressing contact with the control board (8), and the center of the sealing ring (9) is aligned with the center of the temperature and humidity sensing chip (802) on the control board (8).

9. The sensor structure according to claim 1, characterized in that an O-ring is further disposed on the connection terminal (10), the connection terminal (10) is connected with the housing (11) in a sealing manner through the O-ring, and the connection terminal (10) is electrically connected with the control board (8) through a connection wire.