Hall sensor for detecting motion position of vehicle-mounted passenger door cylinder
Technical Field
The utility model belongs to the technical field of the sensor, concretely relates to a hall sensor for detecting on-vehicle passenger door cylinder motion position for whether close the target in place of detecting passenger train passenger door.
Background
The passenger car is a current general vehicle, the passenger door of the passenger car is pushed by the air cylinder to realize the action of opening and closing the door, two permanent magnets are arranged in the air cylinder, and a magnetic sensor is needed to detect whether the push rod of the air cylinder acts in place.
According to the hall effect, an element made of a semiconductor material is called a hall element, and has the advantages of sensitivity to a magnetic field, simple structure, small volume, wide frequency response, large output voltage change, long service life and the like, so that the hall element is widely applied to the fields of measurement, automation, computers, information technology and the like.
Currently, most of such sensors are reed type sensors, and under the complicated electromagnetic environment inside the passenger car, the functions of the passenger door controller may be interfered, and the normal use of the passenger door is further influenced.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides a hall sensor for detecting on-vehicle passenger door cylinder motion position can effectively avoid any problem that probably takes place under the inside complicated electromagnetic environment of passenger train.
The technical scheme for realizing the purpose is as follows:
a Hall sensor for detecting the movement position of a vehicle-mounted passenger door cylinder comprises an equipment outer shell, a circuit board module, an outer shell cover and a bus bundle, wherein the circuit board module is fixed in the equipment outer shell through the outer shell cover, sealant is filled between the outer shell cover and the equipment outer shell, and the bus bundle penetrates through the outer shell cover and then is connected with the circuit board module; the circuit board module adopts a Hall switch as a magnetic induction chip.
As an optimal technical scheme of the utility model, the circuit board module includes resistance, electric capacity, LED pilot lamp, MOS pipe and triode.
As an optimized technical solution of the present invention, the bus harness includes three wire harnesses, which are respectively a power supply +, a power supply-and an output line OUT.
As a preferred technical solution of the present invention, the area of the cross section of the outer shell cover is equal to the area of the cross section of the outer shell of the device.
As a preferred technical scheme of the utility model, the one end that circuit board module is close to the shell lid is equipped with rubber seal ring, and this rubber seal ring can imbed in the equipment shell body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides an electromagnetic compatibility problem of this type of sensor, simple structure, simple to operate.
2. The utility model discloses mainly be as the magnetic induction chip of sensor with hall switch, can effectively avoid any problem that probably takes place under the inside complicated electromagnetic environment of passenger train.
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 structural view of the present invention;
fig. 2 is a schematic exploded view of the present invention;
FIG. 3 is a schematic view of a partially enlarged structure of the present invention;
in the figure: 1. an equipment enclosure; 2. a circuit board module; 3. a housing cover; 4. a bus harness.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides the following technical solutions: a Hall sensor for detecting the movement position of a vehicle-mounted passenger door cylinder comprises an equipment outer shell 1, a circuit board module 2, an outer shell cover 3 and a bus bundle 4, wherein the circuit board module 2 is fixed in the equipment outer shell 1 through the outer shell cover 3, sealant is filled between the outer shell cover 3 and the equipment outer shell 1, the stability and the tightness of installation of the circuit board module 2 are ensured, and the bus bundle 4 penetrates through the outer shell cover 3 and then is connected with the circuit board module 2; the circuit board module 2 adopts a Hall switch as a magnetic induction chip, the circuit board module 2 is fixed in the equipment shell body 1 through the outer shell cover 3 and sealant, the bus harness 4 is connected with the circuit board module 2 of the equipment shell body 1 through the outer shell cover 3 for communication, and the circuit board module is assembled in a cylinder clamping groove of a passenger door when in use.
Specifically, according to fig. 1, fig. 2 and fig. 3, in this embodiment, the circuit board module 2 includes a resistor, a capacitor, an LED indicator, a MOS transistor and a triode, and is used for control and display.
Specifically, as shown in fig. 1, fig. 2, and fig. 3, in this embodiment, the bus bundle 4 includes three wire harnesses, which are respectively a power supply +, a power supply-output line OUT, and outputs different levels according to the in-place condition of the magnet on the cylinder push rod.
Specifically, as shown in fig. 1, 2 and 3, the area of the cross section of the outer cover 3 is equal to the area of the cross section of the outer casing 1, so as to facilitate the installation of the circuit board module 2 in the outer casing 1, and ensure the later stage of the installation.
Specifically, as shown in fig. 1, fig. 2 and fig. 3, one end of the circuit board module 2 close to the housing cover 3 is provided with a rubber sealing ring, and the rubber sealing ring can be embedded into the device housing body 1, and after the circuit board module 2 is installed in the device housing body 1, the rubber sealing ring abuts against the inner wall of the device housing body 1, so that the friction force is large, the stability of the circuit board module 2 installed in the device housing body 1 is further improved, and meanwhile, the installation tightness of the circuit board module 2 is also improved.
The utility model discloses a theory of operation and use flow: the utility model discloses an equipment, its circuit board module 2 includes resistance, electric capacity, LED pilot lamp, MOS pipe and triode, and the total pencil 4 includes power +, power-and output line OUT, and after the circular telegram, equipment assembly is in the cylinder draw-in groove of passenger door, and when magnet on the cylinder push rod did not move in place, namely hall switch did not meet magnetic field, and hall switch belongs to unsettled state, output line OUT output low level, and the LED pilot lamp is not bright;
when the magnet on the cylinder push rod moves in place, the equipment meets a magnetic field with certain strength, the Hall switch is switched on, the output line OUT outputs high level, the LED indicating lamp is turned on, and the output high level is input into the passenger door controller for processing.
Finally, it should be noted that: 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 equivalent changes may be made to some of the technical features of the embodiments, such as: the equipment shell body is based on the matching of the existing shell model in the market, and the equipment shell body can be fixed in the cylinder clamping groove. 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.