阅读说明：本技术 基于霍尔原理的转速传感装置 (Revolution speed sensing device based on hall principle ) 是由 潘威 肖红玉 卲鑫 邢若瀚 张志强 陈浩远 赵振平 于 2019-09-10 设计创作，主要内容包括：本发明公开了一种基于霍尔原理的转速传感装置,包含霍尔元件(1)、支撑套(2)、磁钢(3)、垫片(4)、电路模块(5)和导线(6),磁钢(3)容置于支撑套(2)内部,支撑套(2)的一侧侧面上设置有若干贯穿的小孔(10),霍尔元件(1)贴合在磁钢(3)上,霍尔元件(1)的引脚(9)弯曲后插入支撑套(2)的小孔(10)中连接到电路模块(5),垫片(4)置于电路模块(5)与磁钢(3)中间,导线(6)与电路模块(5)连接。本发明中霍尔元件(1)的引脚(9)弯曲后插入支撑套(2)的小孔(10)中,增加了引脚(9)的绝缘性,客观上减小了传感装置的尺寸,提高抗干扰能力。(The invention discloses a kind of revolution speed sensing device based on hall principle, include Hall element (1), support sleeve (2), magnet steel (3), gasket (4), circuit module (5) and conducting wire (6), it is internal that magnet steel (3) is placed in support sleeve (2), several perforative apertures (10) are provided on the side side of support sleeve (2), Hall element (1) is fitted on magnet steel (3), it is inserted into the aperture (10) of support sleeve (2) after pin (9) bending of Hall element (1) and is connected to circuit module (5), it is intermediate that gasket (4) is placed in circuit module (5) and magnet steel (3), conducting wire (6) is connect with circuit module (5).It is inserted into the aperture (10) of support sleeve (2) after pin (9) bending of Hall element (1) in the present invention, increase the insulating properties of pin (9), the size of sensing device is objectively reduced, anti-interference ability is improved.)

1. a kind of revolution speed sensing device based on hall principle includes Hall element (1), support sleeve (2), magnet steel (3), gasket (4), circuit module (5) and conducting wire (6), it is characterised in that: magnet steel (3) is placed in inside support sleeve (2), and the one of support sleeve (2) Several perforative apertures (10) are provided on the side of side, Hall element (1) is fitted on magnet steel (3), the pin of Hall element (1) (9) be bent after be inserted into support sleeve (2) aperture (10) in be connected to circuit module (5), gasket (4) be placed in circuit module (5) with Magnet steel (3) is intermediate, and conducting wire (6) is connect with circuit module (5).

2. a kind of revolution speed sensing device based on hall principle according to claim 1, it is characterised in that also include shell (7), Hall element (1), support sleeve (2), magnet steel (3), gasket (4), circuit module (5), conducting wire (6) combination be placed in it is outer Shell (7) is intermediate, and inside is full of adhesive (8).

3. a kind of revolution speed sensing device based on hall principle according to claim 2, it is characterised in that: support sleeve (2) Side is provided with the first diversion trench (13), for guiding adhesive (8) to flow into.

4. a kind of revolution speed sensing device based on hall principle according to claim 2, it is characterised in that gasket (4) towards The side of circuit module (5) is provided with semiclosed cavity (12), cavity (12) solid adhesive (8).

5. a kind of revolution speed sensing device based on hall principle according to claim 4, it is characterised in that: circuit module (5) side is provided with the second diversion trench (14).

Technical field

The present invention relates to a kind of revolution speed sensing device, in particular to a kind of revolution speed sensing device based on hall principle.

Background technique

Aircraft speed of ground taxi during takeoff and landing is the important parameter for being related to aircraft safety, and ground The speed of aircraft is directly proportional to wheel revolving speed when sliding, wheel tach signal it is accurate whether, rotation-speed measuring device it is reliable with The no safety for being directly related to aircraft during landing.

Summary of the invention

Goal of the invention of the invention is to provide a kind of revolution speed sensing device based on hall principle, the revolution speed sensing device For non-contact type tachometric sensing device, have the characteristics that high reliablity, environmental suitability are high.

Goal of the invention of the invention is achieved through the following technical solutions:

A kind of revolution speed sensing device based on hall principle includes Hall element 1, support sleeve 2, magnet steel 3, gasket 4, circuit Module 5 and conducting wire 6, magnet steel 3 are placed in inside support sleeve 2, and several perforative apertures are provided on the side side of support sleeve 2 10, Hall element 1 is fitted on magnet steel 3, and the pin 9 of Hall element 1 is inserted into the aperture 10 of support sleeve 2 after being bent and is connected to electricity Road module 5, gasket 4 are placed among circuit module 5 and magnet steel 3, and conducting wire 6 is connect with circuit module 5.

Further, the revolution speed sensing device based on hall principle also includes shell 7, Hall element 1, support sleeve 2, magnet steel 3, Gasket 4, circuit module 5, conducting wire 6 combination be placed among shell 7, inside be full of adhesive 8.

Preferably, 2 side of support sleeve is provided with the first diversion trench 13, for guiding adhesive 8 to flow into.

Preferably, gasket 4 is provided with semiclosed cavity 12, the solid gluing of cavity 12 towards the side of circuit module 5 Agent 8.

Preferably, the side of circuit module 5 is provided with the second diversion trench 14.

Beneficial effects of the present invention: the pin of Hall element is inserted at an angle in the aperture of support sleeve, is increased and is drawn The insulating properties of foot objectively reduces the size of sensing device, improves anti-interference ability.Interior of shell is full of adhesive, can Make each components secure bond, increases the stability and reliability of sensing device.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the structural schematic diagram of Hall element of the invention；

Fig. 3 is the structural schematic diagram of support sleeve of the invention；

Fig. 4 is the structural schematic diagram of gasket of the invention；

Fig. 5 is the structural schematic diagram of circuit module of the invention.

Specific embodiment

The present invention is described in further detail with reference to the accompanying drawings and examples.

It is shown in Figure 1, a kind of revolution speed sensing device based on hall principle, including Hall element 1, support sleeve 2, magnet steel 3, gasket 4, circuit module 5 and conducting wire 6, magnetic field needed for magnet steel 3 provides Hall element 1, are given by conducting wire 6 through circuit module 5 Hall element 1 is powered, and when extraneous magnetizer passes through sensing device, the magnetic field corresponding change of magnet steel 3, Hall element 1 senses magnetic Field variation exports corresponding electric signal, is exported through circuit module 5 by conducting wire 6.

In order to reduce the size of sensing device, anti-interference ability is improved, magnet steel 3 is placed in support sleeve in the present embodiment Inside 2, support sleeve 2 can fasten, protect magnet steel 3.It is shown in Figure 3, several run through is provided on the side side of support sleeve 2 Aperture 10, Hall element 1 is fitted on magnet steel 3.Shown in Figure 2, the pin 9 of Hall element 1 is inserted into support sleeve 2 after being bent Aperture 10 in be connected to circuit module 5, increase the insulating properties of pin.Gasket 4 is placed among circuit module 5 and magnet steel 3, is led Line 6 is connect with circuit module 5.

In order to make each components secure bond, increases the stability and reliability of sensing device, incited somebody to action in the present embodiment Hall element 1, support sleeve 2, magnet steel 3, gasket 4, circuit module 5, conducting wire 6 combination be placed among shell 7, inside is full of Adhesive 8.

Adhesive 8 is filled into shell 7 in order to facilitate, shown in Figure 4, gasket 4 is arranged towards one sound of circuit module There is semiclosed cavity 12, fills up semiclosed 12 circuit connectable module 5 of cavity and gasket 4 with adhesive 8, make 5 He of circuit module It is fastened between gasket 4 and carries out electrical isolation.Referring to shown in Fig. 3, Fig. 5,2 side of support sleeve is provided with the first diversion trench 13, The side of circuit module 5 is equipped with the second diversion trench 14, and adhesive 8 can be entered outer by the first diversion trench 13 and the second diversion trench 14 Each spare area inside shell 7 makes each components form the entirety of unified fastening, improves reliability.

It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention Protect range.