CN210321594U - Anti-vibration compact type magnetostrictive displacement sensor - Google Patents
Anti-vibration compact type magnetostrictive displacement sensor Download PDFInfo
- Publication number
- CN210321594U CN210321594U CN201921443449.XU CN201921443449U CN210321594U CN 210321594 U CN210321594 U CN 210321594U CN 201921443449 U CN201921443449 U CN 201921443449U CN 210321594 U CN210321594 U CN 210321594U
- Authority
- CN
- China
- Prior art keywords
- sensitive element
- waveguide wire
- electronic
- cover
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses an anti-vibration compact magnetostrictive displacement sensor, which comprises an outgoing line waterproof joint (1), an electronic cabin tail cover (2), an electronic cabin bracket (3), a sensitive element assembly (4), a sensitive element shielding cover (5), an electronic cabin insulating cover (6), an installation base (7), a movable magnetic ring (8) and a measuring rod (9); the sensitive element assembly (4) comprises a high-temperature lead (10), a circuit signal board (11), a sensitive element (12), a waveguide wire (13), a glass fiber tube (14), a copper base (15), a copper shielding tube (16), a fluorine tube (17) and a waveguide wire bracket (18); the waveguide wire bracket (18) is made of polytetrafluoroethylene materials, and the tail end of the waveguide wire (13) is in a bound state by fixing the tail end of the waveguide wire (13), so that the vibration amplitude of the waveguide wire (13) is reduced, and effective echo signals are read.
Description
Technical Field
The utility model relates to a sensor technical field, concretely relates to anti-vibration compact magnetostrictive displacement sensor to equipment fixing that vibrates greatly.
Background
The magnetostrictive displacement sensor plays a very important role in large-scale engineering machinery. The magnetostrictive displacement sensor is divided into an internal type and an external type according to the installation mode, and most of the internal type is fixed with equipment by means of flange threads or external bolts. The sensor and the equipment are fixed together and need to have certain shock resistance. However, for the current magnetostrictive displacement sensor, the anti-vibration adopts a glue pouring (silicone gel) mode, but the glue pouring can not solve the measurement precision error caused by the vibration of the waveguide wire, and the common sensor can hardly meet the precision requirement of the equipment with large vibration.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a compact magnetostrictive displacement sensor resists vibration to solve the problem of the vibration that leads to among the prior art because equipment is big.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses an external structure size designs according to equipment vibrations size, and electron storehouse control room diameter 79mm x high 34mm can rely on self flange screw thread to be connected with equipment. The sensor mainly comprises: the device comprises an outgoing line waterproof joint, an electronic bin tail cover, an electronic bin support, a sensitive element assembly, a sensitive element shielding cover, an electronic bin insulating cover, an installation base, a movable magnetic ring and a measuring rod. The electronic bin tail cover, the electronic bin support, the mounting base and the measuring rod form an electronic bin control room. The sensitive element assembly comprises a high-temperature lead, a circuit signal board, a sensitive element, a waveguide wire, a glass fiber tube, a copper base, a copper shielding tube, a fluorine tube and a waveguide wire bracket. The measuring rod is in a hollow tubular shape and is connected with the mounting base into a whole through welding, and the electronic bin support and the mounting base are welded into a whole. The copper base and the copper shielding pipe are welded into a whole. The electronic bin insulating cover is made of polytetrafluoroethylene, and is formed by injection molding, so that the sensitive element shielding cover and the electronic bin support are insulated, and the external vibration of the sensitive element assembly is relieved. The sensitive element shielding cover can prevent the electronic element from being damaged by interference, and the long-term stable and reliable work of the sensor is ensured. The sensitive element shielding cover is made of brass and is formed into a sheet metal part by extrusion. The outlet waterproof joint is connected with the tail cover outside the electronic cabin through threads, and plays a role in fixing a cable and sealing the electronic cabin control room. The specification of the movable magnetic ring can be designed and manufactured according to the requirements of customers, and the functions of suppressing high-frequency noise interference and the like are achieved. The waveguide wire support is made of polytetrafluoroethylene materials, and the tail end of the waveguide wire is fixed to be in a bound state, so that the vibration amplitude of the waveguide wire is reduced, and effective echo signals are read.
The utility model has the advantages of as follows:
1. the structure part of the invention can be parameterized and designed according to the requirements of customers;
2. the structure is relatively simple, the design of a flat structure is adopted, and the hydraulic cylinder is suitable for installation and use of U-shaped and other limited hydraulic cylinder equipment;
3. the invention has small integral volume and is easy to be built in or out of equipment;
4. the insulating cover component in the electronic bin plays a role in protecting internal electric devices from being damaged due to static electricity and reducing vibration of the sensitive element assembly from the outside to a certain extent;
5. compared with other sensor wire outlet modes, the waterproof connector wire outlet mode has a simpler structure and small volume and can save a large amount of installation space;
6. the electronic bin base is conveniently and quickly connected with the equipment and is convenient to detach;
7. the electronic bin tail cover and the electronic bin base are connected through bolts, a sealing rubber ring is arranged between the two parts, oil resistance and water resistance are better, maintenance is convenient, and the electronic bin tail cover and the electronic bin base can work stably and reliably in a severe environment for a long time.
8. The structure part of the invention adopts silver soldering and is added with a vibration-proof program, thus realizing the high-quality vibration resistance of the sensor.
9. The tail end of the waveguide wire of the sensor is fixed by the waveguide wire bracket, so that vibration is prevented, and stable output of echo signals is more effectively guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic view of a compact magnetostrictive displacement sensor that is resistant to vibration;
FIG. 2 is a schematic view of a sensor assembly;
FIG. 3 is a schematic view of a waveguide wire under the influence of vibration;
in the figure: the device comprises a 1 outgoing line waterproof joint, a 2 electronic bin tail cover, a 3 electronic bin support, a 4 sensitive element assembly, a 5 sensitive element shielding cover, a 6 electronic bin insulating cover, a 7 mounting base, an 8 moving magnetic ring, a 9 measuring rod, a 10 high-temperature lead, a 11 circuit signal board, a 12 sensitive element, a 13 waveguide wire, a 14 glass fiber tube, a 15 copper base, a 16 copper shielding tube, a 17 fluorine tube and a 18 waveguide wire support.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein. 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.
The utility model discloses an external structure size designs according to equipment vibrations size, and electron storehouse control room diameter 79mm x high 34mm can rely on self flange screw thread to be connected with equipment. The sensor mainly comprises: the device comprises an outgoing line waterproof connector 1, an electronic cabin tail cover 2, an electronic cabin support 3, a sensitive element assembly 4, a sensitive element shielding cover 5, an electronic cabin insulating cover 6, a mounting base 7, a movable magnetic ring 8 and a measuring rod 9. The electronic bin tail cover 2, the electronic bin support 3, the mounting base 7 and the measuring rod 9 form an electronic bin control room. The sensitive element assembly 4 comprises a high-temperature lead 10, a circuit signal board 11, a sensitive element 12, a waveguide wire 13, a glass fiber tube 14, a copper base 15, a copper shielding tube 16, a fluorine tube 17 and a waveguide wire bracket 18. The measuring rod 9 is in a hollow tubular shape and is connected with the mounting base 7 into a whole through welding, and the electronic bin support 3 and the mounting base 7 are welded into a whole. The copper base 15 and the copper shield pipe 16 are integrated by welding. The electronic bin insulating cover 6 is made of polytetrafluoroethylene and is formed by injection molding, so that insulation between the sensitive element shielding cover 5 and the electronic bin support 3 is achieved, and external vibration of the sensitive element assembly 4 is relieved. The sensitive element shielding cover 5 can prevent the electronic element from being damaged by interference, and ensure the long-term stable and reliable work of the sensor. The sensitive element shielding case 5 is made of brass and is formed into a sheet metal part by extrusion. The outlet waterproof joint 1 is connected with the tail cover 2 outside the electronic cabin through threads, and plays a role in fixing a cable and sealing the electronic cabin control room. The specification of the movable magnetic ring 8 can be designed and manufactured according to the requirements of customers, and the functions of suppressing high-frequency noise interference and the like are achieved. The waveguide wire support 18 is made of polytetrafluoroethylene materials, and the tail end of the waveguide wire 13 is in a bound state by fixing the tail end of the waveguide wire 13, so that the vibration amplitude of the waveguide wire 13 is reduced, and effective echo signals are read.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (4)
1. An anti-vibration compact magnetostrictive displacement sensor comprises an outlet waterproof joint (1), an electronic cabin tail cover (2), an electronic cabin bracket (3), a sensitive element assembly (4), a sensitive element shielding cover (5), an electronic cabin insulating cover (6), an installation base (7), a movable magnetic ring (8) and a measuring rod (9); the method is characterized in that: an electronic cabin control room is formed by the electronic cabin tail cover (2), the electronic cabin bracket (3), the mounting base (7) and the measuring rod (9); the sensitive element assembly (4) comprises a high-temperature lead (10), a circuit signal board (11), a sensitive element (12), a waveguide wire (13), a glass fiber tube (14), a copper base (15), a copper shielding tube (16), a fluorine tube (17) and a waveguide wire bracket (18); the measuring rod (9) is in a hollow tubular shape and is connected with the mounting base (7) into a whole by welding, and the electronic bin support (3) is connected with the mounting base (7) into a whole by welding; the copper base (15) and the copper shielding pipe (16) are welded into a whole; the waveguide wire bracket (18) is made of polytetrafluoroethylene materials, and the tail end of the waveguide wire (13) is in a bound state by fixing the tail end of the waveguide wire (13), so that the vibration amplitude of the waveguide wire (13) is reduced, and effective echo signals are read.
2. An anti-vibration compact magnetostrictive displacement sensor according to claim 1, characterized in that: the electronic bin insulating cover (6) is made of polytetrafluoroethylene and is formed by injection molding, so that insulation between the sensitive element shielding cover (5) and the electronic bin support (3) is achieved, and external vibration of the sensitive element assembly (4) is relieved.
3. An anti-vibration compact magnetostrictive displacement sensor according to claim 1, characterized in that: sensitive component shield cover (5) material is brass, adopts the extrusion to be the sheet metal component, but sensitive component shield cover (5) anti-interference protection electronic component does not receive the damage, guarantees the long-term reliable and stable work of sensor.
4. An anti-vibration compact magnetostrictive displacement sensor according to claim 1, characterized in that: the outgoing line waterproof connector (1) is connected with the electronic cabin tail cover (2) through threads, and plays a role in fixing a cable and sealing the electronic cabin control room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443449.XU CN210321594U (en) | 2019-08-30 | 2019-08-30 | Anti-vibration compact type magnetostrictive displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443449.XU CN210321594U (en) | 2019-08-30 | 2019-08-30 | Anti-vibration compact type magnetostrictive displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210321594U true CN210321594U (en) | 2020-04-14 |
Family
ID=70131908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921443449.XU Active CN210321594U (en) | 2019-08-30 | 2019-08-30 | Anti-vibration compact type magnetostrictive displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210321594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710218A (en) * | 2020-12-15 | 2021-04-27 | 北京特倍福电子技术有限公司 | Compact redundant built-in magnetostrictive displacement sensor |
-
2019
- 2019-08-30 CN CN201921443449.XU patent/CN210321594U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710218A (en) * | 2020-12-15 | 2021-04-27 | 北京特倍福电子技术有限公司 | Compact redundant built-in magnetostrictive displacement sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210321594U (en) | Anti-vibration compact type magnetostrictive displacement sensor | |
| CN217560705U (en) | Semi-built-in intrinsic safety type magnetostrictive displacement temperature sensor for mine | |
| CN205265185U (en) | Junction box | |
| CN201554961U (en) | Sealing structure of inlet cables of electronic box | |
| CN213179846U (en) | Magnetostrictive displacement sensor | |
| CN217005678U (en) | Miniaturized mining intrinsically safe magnetostrictive displacement sensor | |
| CN204165676U (en) | A kind of insulation lightning protection transmitter | |
| CN201122108Y (en) | Explosion-proof magnetic floater liquid level gauge | |
| CN207649725U (en) | A kind of liquid level sensor | |
| CN208505232U (en) | A kind of anti-vibration compact magnetostrictive displacement sensor | |
| CN211576380U (en) | Multi-terminal surface-mounted temperature sensor | |
| CN215491509U (en) | Conveniently-maintained magnetostrictive displacement sensor with waterproof and anti-vibration capabilities | |
| CN220138046U (en) | Pulse transformer | |
| CN221006602U (en) | Magnetic adsorption type wireless temperature sensor | |
| CN217180980U (en) | Broadband transient voltage coupler for measuring field signals | |
| CN212907255U (en) | Positive temperature coefficient thermistor mounting system | |
| CN213631959U (en) | Conveniently-installed magnetostrictive displacement sensor with push-pull rod | |
| CN220652430U (en) | Binding post structure | |
| CN218770409U (en) | Disc type signal connector and lightning protection structure thereof | |
| CN203643045U (en) | High-reliability temperature sensor for water heater | |
| CN216819058U (en) | External normal pressure cabinet business turn over line sleeve pipe | |
| CN215417847U (en) | Current transformer for 10kV compact reactive power compensation device | |
| CN205385146U (en) | High waterproof performance radio frequency connector | |
| CN218386640U (en) | Circular waterproof terminal box shell structure of hoist and mount formula | |
| CN216487841U (en) | Solid-sealed polar pole of outdoor vacuum circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |