CN213985368U - Core body mounting seat for sensor - Google Patents
Core body mounting seat for sensor Download PDFInfo
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- CN213985368U CN213985368U CN202120051357.8U CN202120051357U CN213985368U CN 213985368 U CN213985368 U CN 213985368U CN 202120051357 U CN202120051357 U CN 202120051357U CN 213985368 U CN213985368 U CN 213985368U
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- core body
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Abstract
The utility model provides a core mount pad for sensor, including the core mount pad, the core mount pad sets up and fills epoxy and form closed accommodation space in the inside of barrel and between the two, open on the upper portion of core mount pad has the circuit board mounting hole, and this core mount pad makes the signal of sensor output and the insulation of barrel, sparingly installs the annex, simplifies the structure, and reduce cost has improved the product interference killing feature simultaneously.
Description
Technical Field
The utility model relates to a monitoring devices technical field specifically is a core mount pad for sensor.
Background
The vibration sensor is a test instrument which converts pressure generated by physical phenomena such as acceleration, vibration, impact and the like into an electric signal which is convenient to measure. The piezoelectric acceleration sensor is a device which takes a piezoelectric material as a conversion element and outputs electric charge or voltage in direct proportion to acceleration.
On an industrial site, an on-line vibration sensor is often equipped for key mechanical equipment, so that the running state of the equipment is monitored on line, predictive maintenance is carried out, and the occurrence of serious potential safety hazards or production stop accidents of the equipment is prevented.
In the prior art, the sensor is easy to be interfered and lost: the reliability of the network under strong electromagnetic devices is poor, and the wireless sensor devices may also be interfered by other devices, such as a radio and a mobile phone, and the resulting interruption may prevent information from reaching the user at a critical moment; there is a need for a core mount for a sensor that addresses the susceptibility to interference and loss.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a core mount pad for sensor to solve the running state that the current wireless sensor who provides carries out monitoring facilities among the above-mentioned background art, there is the problem of easily receiving the interference, losing the number.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a core mount pad for sensor, includes the core mount pad, the core mount pad sets up and fills epoxy and form and seal the accommodation space in the inside of barrel and between the two, open on the upper portion of core mount pad has the circuit board mounting hole, compares with prior art, the beneficial effects of the utility model are that: the core body mounting seat enables signals output by the sensor to be insulated from the cylinder body, saves mounting accessories, simplifies the structure, reduces the cost and simultaneously improves the anti-interference capability of the product.
As a further improvement of the above technical solution, a plurality of accommodating chambers are formed outside the core mounting seat.
As a further improvement of the technical scheme, the accommodating chamber is an annular opening or an annular groove and is used for increasing the capacity and the adhesion degree of epoxy resin and enhancing the capacity of resisting interference and high voltage of the sensor.
As a further improvement of the technical scheme, the annular opening or the annular groove is provided with a chamfer.
As a further improvement of the technical scheme, the wall thickness of the core body installation seat is greater than or equal to 2.5 mm.
As a further improvement of the technical scheme, the bottom of the core body mounting seat is provided with a plurality of sealing grooves, and the sealing grooves are used for encapsulating epoxy resin glue to increase the bonding area.
As a further improvement of the technical scheme, a through hole is formed in the middle of the sealing groove.
As a further improvement of the technical scheme, the diameter of the through hole is 4 mm.
As a further improvement of the technical scheme, the two side walls of the core body mounting seat are provided with circular grooves and are in clearance fit with the inner wall of the cylinder body, and the core body mounting seat is encapsulated by epoxy resin glue to realize the isolation with an external metal shell.
As a further improvement of the technical scheme, one side of the circular groove is provided with a glue sealing and filling opening, and the other side of the circular groove is provided with an exhaust hole.
The sensor can monitor the running state of the equipment on line, perform predictive maintenance and prevent major potential safety hazards or production stop accidents of the equipment.
The core body mounting seat physically isolates the piezoelectric core body, the circuit board and the cylinder body, so that signals output by the sensor are insulated from the cylinder body, mounting accessories are saved, the structure is simplified, the cost is reduced, and meanwhile, the anti-interference capability of a product is improved.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of the sensor of the present invention;
fig. 2 is a schematic view of the sensor of the present invention;
FIG. 3 is a schematic cross-sectional view of the sensor of the present invention;
fig. 4 is a schematic view of the structure of the cylinder of the sensor of the present invention;
fig. 5 is a schematic diagram of a three-dimensional structure of a core body mounting seat of the sensor of the present invention;
fig. 6 is a schematic sectional structure view of the core body mounting base of the sensor of the present invention;
fig. 7 is a schematic structural view of the bottom of the core mounting seat of the sensor of the present invention;
fig. 8 is a schematic structural view of a lead connector body of the sensor of the present invention;
fig. 9 is a schematic cross-sectional structural view of the lead connector body of the sensor of the present invention.
Reference numerals: 1 is a cylinder, 2 is a piezoelectric core, 3 is a core mounting base, 4 is a lead terminal body, 5 is a wire, 6 is a circuit board, 11 is a cylindrical hollow structure, 12 is a regular hexagonal prism structure, 31 is a circuit board mounting hole, 32 is an accommodation chamber, 33 is a seal groove, 34 is a circular groove, 35 is a groove, 121 is a boss, and 122 is a screw hole.
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.
Referring to fig. 1-9 together, an aspect of the present invention provides a sensor for on-line monitoring of mechanical equipment, which includes a cylinder 1, a piezoelectric core 2, a core mounting base 3, a lead connector body 4, a lead 5 and a circuit board 6; the core body mounting seat 3 is arranged in the barrel body 1, epoxy resin is filled between the core body mounting seat and the barrel body 1, and a closed accommodating space is formed; the piezoelectric core body 2 is arranged in the core body mounting seat 3, the circuit board 6 is arranged at the upper part of the core body mounting seat 3 and is connected with the lead connector body 4 through the lead 5, the sensor can monitor the running state of equipment on line, perform predictive maintenance and prevent major potential safety hazards or production stop accidents of the equipment; the core body mounting seat 3 is an epoxy resin rod (polysulfone rod), the piezoelectric core body 2, the circuit board 6 and the cylinder body 1 are physically isolated by the core body mounting seat 3, signals output by the sensor are insulated from the cylinder body, mounting accessories are saved, the structure is simplified, the cost is reduced, and meanwhile the anti-interference capacity of the product is improved.
The upper portion of the core body mounting seat 3 is provided with three uniformly distributed circuit board mounting holes 31, and the circuit board 6 is mounted on the circuit board mounting holes 31 through screws so as to facilitate mounting of the circuit board 6.
A plurality of accommodating chambers 32 are formed outside the core body mounting seat 3, the accommodating chambers 32 are annular openings or annular grooves, chamfers are arranged at the annular openings or the annular grooves, the annular openings or the annular grooves are used for increasing the capacity and the adhesion degree of epoxy resin and enhancing the anti-interference and high-voltage-resistant capabilities of the sensor, and the thinnest wall thickness of the core body mounting seat is greater than or equal to 2.5 mm; the bottom of the core body mounting seat 3 is provided with a plurality of sealing grooves 33, a through hole is formed in the middle of the core body mounting seat, the diameter of the through hole is 4mm, and the sealing grooves 33 are used for encapsulating epoxy resin glue to increase the bonding area; two side walls of the core body mounting seat 3 are provided with circular grooves and are in clearance fit with the inner wall of the cylinder body 1, and the core body mounting seat is encapsulated by epoxy resin glue; wherein, the circular grooves 34 on the two side walls are provided with a glue sealing and filling opening on one side and an exhaust hole on the other side; when the epoxy resin glue is filled and sealed, a special tool is adopted to clamp the circular groove, the core body mounting seat 3 is rotated to enable the epoxy resin glue to be attached to the inner wall of the cylinder body 1 in the circumferential direction, wherein the filled cylinder body is placed in an electric oven at 73 +/-2 ℃, the drying treatment is not less than 60 minutes, and the isolation with an external metal shell is realized.
The cylinder body 1 is of an integrated structure and comprises a cylindrical hollow structure 11 and a regular hexagonal prism structure 12; the upper end of the cylindrical hollow structure 11 is an open end, the lower end of the cylindrical hollow structure 11 is connected with the regular hexagonal prism structure 12, wherein the diameter of the cylindrical hollow structure 11 is
The core body mounting seat has a rough surface, so that friction force can be increased, and the core body mounting seat 3 is convenient to glue and fix; the regular hexagonal prism structure 12 is internally provided withPut boss 121, the bottom of core mount pad 3 be provided with boss 121 complex recess 35, the bottom of regular hexagon prism structure 12 is provided with screw hole 122, and when using, barrel 1 passes through screw hole 122 and passes through bolt fixed connection with the equipment that awaits measuring.
The junction of the lead connector body 4 and the barrel 1 adopts laser welding, the internal surface of the lead connector body 4 is provided with an annular boss (spigot), is convenient for locate with the barrel 1 cooperation, the afterbody of the lead connector body 4 has an indicator lamp 41, and this indicator lamp 41 is a three-color LED indicator lamp, and electrified green often brightens, data transmission is yellow scintillation, fault status is red light often brightens, and then conveniently observes the state of sensor.
Another aspect of the present invention provides an anti-interference method for a sensor used for online monitoring of mechanical equipment, wherein the core body mounting seat is arranged inside the cylinder body, and epoxy resin is filled between the core body mounting seat and the cylinder body to form a closed accommodating space; the piezoelectric core body, the circuit board and the cylinder body are physically isolated, the thinnest wall thickness is larger than or equal to 2.5mm, signals output by the sensor are insulated from the cylinder body, installation accessories are saved, the structure is simplified, the cost is reduced, and meanwhile, the anti-interference capacity of products is improved.
The upper portion of the core body mounting seat 3 is provided with three uniformly distributed circuit board mounting holes, and the circuit board 6 is mounted on the circuit board mounting holes through screws so as to facilitate mounting of the circuit board 6.
The outer part of the core body mounting seat 3 is provided with a plurality of annular holes or annular grooves, wherein chamfers are arranged at the annular holes or annular grooves, the annular holes or annular grooves are used for increasing the capacity and the adhesion degree of epoxy resin and enhancing the anti-interference and high-voltage-resistant capability of the sensor, and the thinnest wall thickness of the core body mounting seat is more than or equal to 2.5 mm; the bottom of the core body mounting seat 3 is provided with a plurality of sealing grooves, a through hole is formed in the middle of the core body mounting seat, the diameter of the through hole is 4mm, and the plurality of sealing grooves are used for encapsulating epoxy resin glue, so that the combination area is increased; two side walls of the core body mounting seat 3 are provided with circular grooves and are in clearance fit with the inner wall of the cylinder body 1, and the core body mounting seat is encapsulated by epoxy resin glue; the circular grooves on the two side walls are provided with glue sealing and filling openings on one side and vent holes on the other side, a special tool is adopted to hold the circular grooves during epoxy resin glue filling, the core body mounting seat 3 is rotated to enable the epoxy resin glue to be attached to the inner wall of the cylinder body in the circumferential direction, the cylinder body after being filled is placed in an electric oven at 73 +/-2 ℃, drying treatment is not less than 60 minutes, and isolation with an external metal shell is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The core body mounting seat for the sensor is characterized by comprising a core body mounting seat (3), wherein the core body mounting seat (3) is arranged in a cylinder body (1) and epoxy resin is filled between the core body mounting seat and the cylinder body (1) to form a closed accommodating space, and a circuit board mounting hole (31) is formed in the upper portion of the core body mounting seat (3).
2. A core mounting seat for a sensor according to claim 1, characterized in that the core mounting seat (3) is externally provided with a plurality of accommodating chambers (32).
3. A core mount for a sensor according to claim 2 wherein the receiving chamber (32) is an annular opening or an annular groove.
4. A core mount for a sensor according to claim 3 wherein the annular opening or the annular groove is chamfered.
5. A core mount for a sensor according to claim 1, wherein the wall thickness of the core mount (3) is greater than or equal to 2.5 mm.
6. The core mounting seat for the sensor according to claim 1, wherein the bottom of the core mounting seat (3) is provided with a plurality of sealing grooves (33).
7. A cartridge mount for a sensor according to claim 6 wherein the seal groove (33) has a through hole in the middle.
8. A core mounting boss for a sensor according to claim 7, wherein the through hole is 4mm in diameter.
9. The core mounting seat for the sensor according to claim 1, wherein two side walls of the core mounting seat (3) are provided with circular grooves (34) and are in clearance fit with the inner wall of the cylinder body (1), and are encapsulated by epoxy resin glue.
10. The core body mounting seat for the sensor according to claim 9, wherein one side of the circular groove (34) is provided with a glue sealing and filling port, and the other side is provided with an exhaust hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120051357.8U CN213985368U (en) | 2021-01-08 | 2021-01-08 | Core body mounting seat for sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120051357.8U CN213985368U (en) | 2021-01-08 | 2021-01-08 | Core body mounting seat for sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213985368U true CN213985368U (en) | 2021-08-17 |
Family
ID=77250933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120051357.8U Active CN213985368U (en) | 2021-01-08 | 2021-01-08 | Core body mounting seat for sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213985368U (en) |
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2021
- 2021-01-08 CN CN202120051357.8U patent/CN213985368U/en active Active
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