CN211927077U - High-insulation voltage-resistant and anti-surge triaxial vibration sensor - Google Patents
High-insulation voltage-resistant and anti-surge triaxial vibration sensor Download PDFInfo
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- CN211927077U CN211927077U CN202020713240.7U CN202020713240U CN211927077U CN 211927077 U CN211927077 U CN 211927077U CN 202020713240 U CN202020713240 U CN 202020713240U CN 211927077 U CN211927077 U CN 211927077U
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- 238000009413 insulation Methods 0.000 title claims abstract description 20
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Abstract
The utility model discloses a high insulation is withstand voltage and prevent surge triaxial vibration sensor. It includes casing, base, three core vibration subassembly, four-core connector, circuit board, the casing in be provided with a holding chamber, the base sets up in the holding chamber, is provided with a mounting groove on the X axle of base, Y axle and the Z axle respectively, corresponds on every mounting groove and installs a core vibration subassembly, is provided with a central through-hole that supplies the sensor installation on the base, four-core connector is connected on the casing, the core vibration subassembly includes subassembly and protection component, and the circuit board is fixed on the subassembly, and the protection component cover is established in the outside of circuit board and subassembly, and the protection component includes the TVS pipe. After the technical scheme is adopted, the utility model discloses can realize that three axial vibration monitoring just can realize 360 installations, not restricted by installation space, cable output is convenient.
Description
Technical Field
The utility model relates to a sensor technical field, concretely relates to high insulation is withstand voltage and anti-surge triaxial vibration sensor.
Background
The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. The sensor has the characteristics of miniaturization, digitalization, intellectualization, multifunction, systematization and networking. The method is the first link for realizing automatic detection and automatic control. The vibration sensor is a test instrument which converts force generated by physical phenomena such as acceleration, vibration, impact and the like into an electric signal which is convenient to measure. The piezoelectric vibration sensor is a device which takes a piezoelectric material as a conversion element and outputs electric charge or voltage in direct proportion to acceleration.
In the prior art, the vibration state monitoring sensors for the gears, the bearings and the shafts of wind generating sets and industrial rotating machinery (engines, pumps, centrifuges, compressors and air blowers) at present can only achieve high insulation and pressure resistance and surge-proof single-shaft vibration, the existing sensors are directly provided with mounting threads, the mounting threads are mounted with equipment, after the threads are screwed, the output ends of the sensors can only face to a certain direction, the direction of the facing direction cannot be determined, the mounting space is limited, and the cable output direction is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide one kind can realize that three axial vibration monitoring and do not receive the installation space restriction, cable output convenient high insulation is withstand voltage and prevent surge triaxial vibration sensor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high insulation is withstand voltage and prevent surge triaxial vibration sensor, it includes casing, base, three core vibration subassembly, four-core connector, circuit board, the casing in be provided with a holding chamber, the base sets up in the holding chamber, the X axle of base, Y axle and Z epaxial be provided with a mounting groove respectively, correspond on every mounting groove and install a core vibration subassembly, be provided with a central through hole that supplies the sensor installation on the base, four-core connector connects on the casing, the core vibration subassembly includes subassembly and protection component, and the circuit board is fixed on the subassembly, and the protection component cover is established in the outside of circuit board and subassembly, and the protection component includes the TVS pipe, the circuit board draw forth behind the both ends that two signal line connect the TVS pipe with four-core connector connects.
The protection subassembly still include insulating withstand voltage pipe, shield cover, insulator ring, insulating pad fixes the mounting groove on the base in, and insulating pad is provided with the insulator ring, and insulating withstand voltage pipe box is established in the outside of shield cover, is provided with the through-hole on the shield cover, two signal lines that the circuit board was drawn forth pass through the both ends of through-hole connection TVS pipe, and the TVS pipe is fixed at insulating withstand voltage tub of skin, and insulating pad is fixed on the mounting groove, the subassembly is fixed on the insulating pad, and the shield cover is established in the outside of subassembly. Insulating ring and insulating pad realize insulating withstand voltage guard action, and the shield cover skin carries out the pyrocondensation protection with insulating withstand voltage pipe, and the shield cover protection subassembly plays withstand voltage protection's effect, avoids the withstand voltage bad that creepage distance caused.
The subassembly comprises a mass block, a support and piezoelectric ceramics, wherein the piezoelectric ceramics and the mass block are fixed on the support, and the support is fixed on the insulating pad.
The shell comprises a shell and an upper cover, wherein the upper cover is fixed on the shell and covers an opening of the accommodating cavity.
After the technical scheme is adopted, the utility model discloses following beneficial effect has: three core vibration assemblies are arranged in the shell to form X, Y, Z three axial installation, two signal wires led out through the circuit board are connected with the four-core connector through the TVS tube to realize three axial vibration monitoring, vibration signals output by the circuit board are subjected to surge protection through the TVS tube, a central through hole is formed in the base, the sensor is installed through the central through hole and a bolt, the orientation position of the output end of the sensor can be adjusted, 360-degree installation can be realized, and the problems that the installation space is limited, the output direction of a cable is inconvenient and the like are solved;
furthermore, high insulation and voltage resistance are achieved through the protection assembly, the insulation ring and the insulation pad achieve insulation and voltage resistance protection, the outer layer of the shielding cover is subjected to thermal shrinkage protection through the insulation and voltage resistance pipe, the sub assembly is protected by the shielding cover, voltage resistance protection is achieved, and voltage resistance failure caused by creepage distance is avoided. The utility model discloses a specific performance table has: the insulation withstand voltage can reach 4000V, the surge (impact) anti-interference degree is +/-4 kV, and the detection range of the sensor is-50 ℃ to +125 ℃.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an external view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Description of reference numerals: the structure comprises a shell 1, an accommodating cavity 11, a shell 12, an upper cover 13, a base 2, a central through hole 21, a core vibration component 3, a subassembly 31, a mass block 311, a support 312, piezoelectric ceramics 313, a protection component 32, a TVS tube 321, an insulation pressure tube 322, a shielding cover 323, a through hole 3231, an insulation ring 324, an insulation pad 325, a four-core connector 4 and a circuit board 5.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-3, the utility model discloses a high insulation withstand voltage and prevent surging triaxial vibration sensor, it includes casing 1, base 2, three core vibration subassembly 3, four-core connector 4, circuit board 5.
The shell body 1 is internally provided with an accommodating cavity 11, the shell body 1 comprises a shell 12 and an upper cover 13, the upper cover 13 is fixed on the shell 12 and covers an opening of the accommodating cavity 11, the upper cover 13 is connected with the shell 12 through welding, a base 2 is arranged in the accommodating cavity 11, a central through hole 21 for installing a sensor is arranged on the base 2, a four-core connector 4 is connected on the shell body 1 in a welding way, an X axis, a Y axis and a Z axis of the base 2 are respectively provided with an installation groove, each installation groove is correspondingly provided with a core vibration component 3, each core vibration component 3 comprises a sub component 31 and a protection component 32, a circuit board 5 is fixed on the sub component 31, the protection component 32 is sleeved outside the circuit board 5 and the sub component 31, the protection component comprises a TVS pipe 321, a pressure-resistant insulating pipe 322, a shielding cover 323, an insulating ring 324 and an insulating pad 325, the insulating pad 325 is fixed in the installation groove on the, be provided with insulating ring 324 on insulating pad 325, insulating withstand voltage pipe 322 cover is established in the outside of shield cover 323, and the lower pot head supports on insulating pad 325 to keep apart shield cover 323 with casing 1 is provided with through-hole 3231 on the shield cover 323, two signal lines that circuit board 5 was drawn forth pass through-hole 3231 and connect the both ends of TVS pipe 321, and TVS pipe 321 is fixed at insulating withstand voltage pipe 322 skin, and insulating pad 325 is fixed on the mounting groove, subassembly 31 is fixed on insulating pad 325, and the outside at subassembly 31 is established to shield cover 323 cover. An insulating ring 324 and an insulating pad 325 are fixed below the subassembly 31, so that the protection effect of insulation and pressure resistance can be realized, a shielding cover 323 is welded outside the subassembly 31 and the circuit board 5, the shielding cover 323 protects the subassembly 31, so that the protection effect of pressure resistance is realized, the poor pressure resistance caused by creepage distance is avoided, an insulating pressure-resistant pipe 322 is sleeved outside the shielding cover 323, so that thermal shrinkage protection is performed, two signal wires led out from the circuit board 5 penetrate through a through hole 3231 of the shielding cover 323 to be connected with two ends of a TVS pipe 321 and then connected with the four-core connector 4, the TVS pipe 321 is fixed at the outer layer of the insulating pressure-resistant pipe 322, two signal wires led out from the surge circuit board 5 conveniently penetrate through the TVS pipe 321 to perform the protection effect, the sensor damage and the occurrence of safety accidents caused by lightning strike or abnormal high-voltage contact of the sensor are prevented, the subassembly 31 comprises a mass, the piezoelectric ceramics 313 and the mass 311 are fixed on the support 312, and the support 312 is fixed on the insulating pad 325. The central through hole 21 that sets up on base 2, during the sensor installation, can be according to the mounted position demand of sensor output, after finding the mounted position, pass central through hole 21 through the bolt and fix, this kind of mounting means changes the mounting means of current sensor bottom screw thread to can adjust the required position of installation and angle or the orientation of sensor output, the bolt is relocked, thereby the sensor is installed, realize 360 installations, it is limited to improve installation space, and the inconvenient scheduling problem of cable output direction.
The utility model discloses during the equipment, subassembly 31 is glued on insulating pad 10 through support 312, circuit board 5 is glued on the subassembly, circuit board 5 and subassembly 31 and welded connection are lived to shield cover 323, circuit board 5 draws forth two signal lines and passes through-hole 3231 of shield cover 323 and connect TVS pipe earlier and connect four-core connector 4 again, every core vibration subassembly 3 corresponds configuration circuit board 5, every core vibration subassembly 3 corresponds on the mounting groove of gluing on base 2, base 2 fixes in the holding chamber 11 in casing 1, upper cover 13 passes through welded connection with shell 12, the central through-hole 21 that sets up on the base 2.
The utility model discloses a specific performance table has: the insulation withstand voltage can reach 4000V, the surge (impact) anti-interference degree is +/-4 kV, and the detection range of the sensor is-50 ℃ to +125 ℃.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides a high insulation is withstand voltage and prevent surge triaxial vibration sensor which characterized in that: it includes casing, base, three core vibration subassembly, four-core connector, circuit board, the casing in be provided with a holding chamber, the base sets up in the holding chamber, is provided with a mounting groove on the X axle of base, Y axle and the Z axle respectively, corresponds on every mounting groove and installs a core vibration subassembly, is provided with a central through-hole that supplies the sensor installation on the base, four-core connector is connected on the casing, the core vibration subassembly includes subassembly and protection component, and the circuit board is fixed on the subassembly, and the protection component cover is established in the outside of circuit board and subassembly, and the protection component includes the TVS pipe, the circuit board draw forth behind the both ends that two signal lines connect the TVS pipe with four-core connector connects.
2. The high withstand voltage and surge protection triaxial vibration sensor according to claim 1, wherein: the protection subassembly still include insulating withstand voltage pipe, shield cover, insulator ring, insulating pad fixes the mounting groove on the base in, and insulating pad is provided with the insulator ring, and insulating withstand voltage pipe box is established in the outside of shield cover, is provided with the through-hole on the shield cover, two signal lines that the circuit board was drawn forth pass through the both ends of through-hole connection TVS pipe, and the TVS pipe is fixed at insulating withstand voltage tub of skin, and insulating pad is fixed on the mounting groove, the subassembly is fixed on the insulating pad, and the shield cover is established in the outside of subassembly.
3. The high withstand voltage and surge protection triaxial vibration sensor according to claim 2, wherein: the subassembly comprises a mass block, a support and piezoelectric ceramics, wherein the piezoelectric ceramics and the mass block are fixed on the support, and the support is fixed on the insulating pad.
4. The high withstand voltage and surge protection triaxial vibration sensor according to claim 1, wherein: the shell comprises a shell and an upper cover, wherein the upper cover is fixed on the shell and covers an opening of the accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020713240.7U CN211927077U (en) | 2020-04-30 | 2020-04-30 | High-insulation voltage-resistant and anti-surge triaxial vibration sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020713240.7U CN211927077U (en) | 2020-04-30 | 2020-04-30 | High-insulation voltage-resistant and anti-surge triaxial vibration sensor |
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| CN211927077U true CN211927077U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020713240.7U Active CN211927077U (en) | 2020-04-30 | 2020-04-30 | High-insulation voltage-resistant and anti-surge triaxial vibration sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877988A (en) * | 2022-04-27 | 2022-08-09 | 厦门乃尔电子有限公司 | Modular composite sensor |
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2020
- 2020-04-30 CN CN202020713240.7U patent/CN211927077U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877988A (en) * | 2022-04-27 | 2022-08-09 | 厦门乃尔电子有限公司 | Modular composite sensor |
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Denomination of utility model: A high insulation withstand voltage and surge resistant three-axis vibration sensor Granted publication date: 20201113 Pledgee: China CITIC Bank Corporation Xiamen Branch Pledgor: XIAMEN NIELL ELECTRONICS Co.,Ltd. Registration number: Y2024980037855 |