High-protection plastic shell magnetic sensor

Abstract

The utility model discloses a high-protection plastic shell magnetic sensor, which comprises a plastic protection shell provided with a loading port, a PCBA (Printed Circuit Board Assembly), a Hall sensor arranged on the PCBA, a cable connected with the PCBA, a tail plug and epoxy resin, the plastic protective shell is provided with an electrical bin, the loading port is communicated with the electrical bin, and the PCBA is arranged in the electrical bin through the loading port; the tail plug is provided with a wire hole, the cable penetrates through the wire hole, the electrical bin is filled with epoxy resin, and the loading port is plugged through the tail plug. According to the utility model, the tail plug and the filled epoxy resin jointly seal the electrical cabin, so that the PCBA is completely sealed, the waterproof performance is effectively improved, the influence of water vapor is effectively avoided, and the premise of stable operation under severe working conditions is fully met.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field especially relates to a high protection plastic shell magnetic sensor. BACKGROUND

[0002] The prior art plastic shell magnetic sensor in the market can only achieve IP65 waterproof performance generally, and cannot satisfy higher waterproof requirements.

[0003] Therefore, the prior art has defects and needs to be improved. INVENTION CONTENTS

[0004] The utility model wants to solve the technical problem of providing a high protection plastic shell magnetic sensor, realizing excellent waterproof performance, and satisfying stable operation under harsh working conditions.

[0005] The utility model discloses a kind of high protection plastic shell magnetic sensors, including: the plastic protective shell being provided with entrance, PCBA, Hall sensor being installed on the PCBA, cable being connected with the PCBA, tail plug, epoxy resin;The plastic protective shell is provided with electrical bin, the entrance is communicated with the electrical bin, the PCBA is set in the electrical bin by the entrance;The tail plug is provided with wire hole, the cable passes through the wire hole, and the electrical bin is filled with epoxy resin and is filled in the entrance by the tail plug.The tail plug and the filled epoxy resin are closed electrical bin together, so that PCBA is completely closed, effectively improve waterproof performance, to effectively avoid the influence of water vapor, fully satisfy the premise of stable operation under harsh working conditions.

[0006] Further, the plastic protective shell includes: square shell, cylindrical front end connected with the square shell;The cylindrical front end is provided with mounting screw hole, the mounting screw hole is not towards the square shell, and the mounting screw hole is used to install the high protection plastic shell magnetic sensor.The cylindrical front end is used to provide the arrangement position of mounting screw hole, to facilitate installation high protection plastic shell magnetic sensor.

[0007] Further, the region that the cylindrical front end is connected with the square shell is hollow region, and the PCBA is inserted into the hollow region of the cylindrical front end.

[0008] Further, a plurality of limiting columns are arranged in the electrical bin, and the limiting columns are used to limit the depth of the tail plug inserted into the electrical bin.

[0009] Further, the limiting column is arranged at the corner of the electrical bin.The limiting column can strengthen the strength of the corner of square shell.

[0010] Further, the tail plug comprises a plug-in part and a tail plate connected with the plug-in part, and the plug-in part is plugged into the electrical bin.

[0011] With the above scheme, the utility model provides a kind of high protection plastic shell magnetic sensor, tail plug and filled epoxy resin are closed electrical bin jointly, so that PCBA is completely closed, effectively improve waterproof performance, to effectively avoid the influence of water vapor, fully meet the prerequisite of stable operation under harsh working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of an embodiment of the utility model;

[0013] Figure 2 It is Figure 1 It is the explosion drawing of embodiment;

[0014] Figure 3 It is the structural schematic diagram of plastic protective shell. DETAILED DESCRIPTION

[0015] The utility model is specifically explained in detail in connection with drawing and specific embodiment.

[0016] Please refer to Figures 1-3 The utility model provides a kind of high protection plastic shell magnetic sensor, including: the plastic protective shell being provided with loading port, PCBA11, the Hall sensor 12 being installed on the PCBA11, the cable 13 being connected with the PCBA11, tail plug, epoxy resin;The plastic protective shell is provided with electrical bin 15, the loading port is communicated with the electrical bin 15, the PCBA11 is set in the electrical bin 15 by the loading port;The tail plug is provided with wire hole 16, the cable 13 passes through the wire hole 16, and epoxy resin fills the electrical bin 15 and is plugged into the loading port by the tail plug.Electrical bin 15 is closed by tail plug and filled epoxy resin jointly, so that PCBA11 is completely closed, effectively improve waterproof performance, to effectively avoid the influence of water vapor, fully meet the prerequisite of stable operation under harsh working conditions.

[0017] In the embodiment, the plastic protective shell includes: square shell 17, cylindrical front end 18 connected with the square shell 17;The cylindrical front end 18 is provided with mounting screw hole 19, the mounting screw hole 19 is not directed to the square shell 17, and the mounting screw hole 19 is used to install the high protection plastic shell magnetic sensor.The cylindrical front end 18 is used to provide the arrangement position of mounting screw hole 19, to facilitate the installation of the high protection plastic shell magnetic sensor.

[0018] In the embodiment, the area where the cylindrical front end 18 is connected with the square shell 17 is a hollow area, and the PCBA 11 is inserted into the hollow area of the cylindrical front end 18.

[0019] In the embodiment, a plurality of limiting columns 20 are arranged in the electrical compartment 15, and the limiting columns 20 are used to limit the depth of the tail plug inserted into the electrical compartment 15.

[0020] In the embodiment, the limiting columns 20 are arranged at the bending corners of the electrical compartment 15. The limiting columns 20 can strengthen the strength of the bending corners of the square shell 17.

[0021] In the embodiment, the tail plug comprises an insertion part 21 and a tail plate 22 connected with the insertion part 21, and the insertion part 21 is inserted into the electrical compartment 15.

[0022] In conclusion, the utility model provides a kind of high protection plastic shell magnetic sensor, tail plug and filling epoxy resin are closed together to close electrical compartment, so that PCBA is completely closed, effectively improve waterproof performance, to effectively avoid the influence of water vapor, fully meet the prerequisite of stable operation under harsh working conditions.

[0023] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-guarded plastic-housed magnetic sensor, characterized in that, The utility model relates to a plastic protection shell for a hall sensor, comprising: a plastic protection shell provided with a loading port, a PCBA, a hall sensor mounted on the PCBA, a cable connected with the PCBA, a tail plug, and epoxy resin; the plastic protection shell is provided with an electrical compartment, the loading port is communicated with the electrical compartment, the PCBA is arranged in the electrical compartment through the loading port; the tail plug is provided with a wire hole, the cable passes through the wire hole, and the electrical compartment is filled with epoxy resin and the loading port is plugged by the tail plug; the tail plug comprises a plug-in part and a tail plate connected with the plug-in part, and the plug-in part is plugged into the electrical compartment.

2. A high-IP plastic-housed magnetic sensor according to claim 1, wherein, The plastic protection shell comprises a square shell and a cylindrical front end connected with the square shell; the cylindrical front end is provided with a mounting screw hole, and the mounting screw hole does not face the square shell.

3. A high-IP plastic-housed magnetic sensor according to claim 2, wherein, The cylindrical front end and the square shell are connected at a hollow region, and the PCBA is inserted into the hollow region of the cylindrical front end.

4. A high-IP plastic package magnetic sensor according to claim 2, wherein, A plurality of limiting columns are arranged in the electrical compartment, and the limiting columns are used to limit the depth of the tail plug plugged into the electrical compartment.

5. A high-protective plastic-housed magnetic sensor according to claim 4, characterized in that, The limiting columns are arranged at the corners of the electrical compartment.

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