CN213515463U - Magnetic circuit structure of linear displacement sensor - Google Patents

Magnetic circuit structure of linear displacement sensor Download PDF

Info

Publication number
CN213515463U
CN213515463U CN202022632758.0U CN202022632758U CN213515463U CN 213515463 U CN213515463 U CN 213515463U CN 202022632758 U CN202022632758 U CN 202022632758U CN 213515463 U CN213515463 U CN 213515463U
Authority
CN
China
Prior art keywords
magnetic
framework
baffle
circuit structure
magnetic circuit
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
Application number
CN202022632758.0U
Other languages
Chinese (zh)
Inventor
刘欣欣
王绪斌
陈重
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Shuguang Aero Electrical Co ltd
Original Assignee
Beijing Shuguang Aero Electrical Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Shuguang Aero Electrical Co ltd filed Critical Beijing Shuguang Aero Electrical Co ltd
Priority to CN202022632758.0U priority Critical patent/CN213515463U/en
Application granted granted Critical
Publication of CN213515463U publication Critical patent/CN213515463U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

The utility model belongs to the technology of linear displacement sensors, and relates to a magnetic circuit structure of a linear displacement sensor, which comprises a framework lining, a framework baffle plate and a magnetic conduction shell from inside to outside in sequence; the coil is embedded and wound between the framework lining and the magnetic conduction shell, the framework baffle is sleeved at two ends of the framework lining and fixed, the magnetic conduction shell is sleeved at the outer side of the framework baffle, and the excircle of the framework baffle has the same size as the inner diameter of the magnetic conduction shell; the framework baffle is made of a magnetic conductive material and made of soft magnetic alloy; this structure can increase the sectional area of magnetic conduction magnetic circuit, increases magnetic conductivity, reduces magnetic resistance and magnetic leakage for whole magnetic conductivity obtains very big improvement, the effectual magnetic field of having optimized the product promotes the electrical property of product. Meanwhile, the number of parts and an unstable matching mode are structurally reduced, so that the product strength can be effectively optimized, the product failure rate is reduced, the product reliability is improved, and the method is more suitable for aviation equipment products.

Description

Magnetic circuit structure of linear displacement sensor
Technical Field
The utility model belongs to the utility model discloses the technique of linear displacement sensor relates to the improvement to line displacement sensor magnetic circuit structure, concretely relates to line displacement sensor's magnetic circuit structure.
Background
The magnetic circuit structure of the existing linear displacement sensor is designed by adopting a winding framework, wherein a magnetic shell 1 and a magnetic end piece 2 are sleeved outside the winding framework as shown in figure 1. The magnetic conduction end plate 2 is generally pasted by using an adhesive, and is easy to loosen or fall off to influence the electromagnetic performance of a product in the long-term use process. And because the framework 3 adopts nonmagnetic stainless steel without magnetic conductivity as the material, the front baffle and the rear baffle of the integral framework adopt the same nonmagnetic material, the magnetic conductivity is poor, thereby influencing the magnetic field distribution of the coil and finally influencing the electrical properties such as the precision of the product. There is a need for a new magnetic circuit structure of a linear displacement sensor, which can effectively solve the above problems.
Disclosure of Invention
The utility model aims at: a magnetic circuit structure of the linear displacement sensor is designed, and the problems can be effectively solved.
For solving the technical problem, the technical proposal of the utility model is that:
a magnetic circuit structure of a linear displacement sensor comprises a framework lining, a framework baffle plate and a magnetic conduction shell from inside to outside in sequence;
the coil is embedded and wound between the framework lining and the magnetic conduction shell, the framework baffle is sleeved at two ends of the framework lining and fixed, the magnetic conduction shell is sleeved outside the framework baffle, and the excircle of the framework baffle and the inner diameter of the magnetic conduction shell are in the same size.
The framework baffle is made of magnetic conductive materials. Preferably, a soft magnetic alloy is used.
The framework lining is made of nonmagnetic stainless steel.
Preferably, the framework baffle is welded and fixed with the periphery of the framework lining.
Preferably, a step is designed at one end of the framework baffle plate, the magnetic conduction shell is positioned, the magnetic conduction shell is sleeved into the step from the framework baffle plate at the other end, and the end face of the other side is kept flush.
The utility model has the advantages that:
the novel magnetic circuit structure of the linear displacement sensor is designed, a magnetic conduction end piece and a framework baffle are combined into a whole part, and then a magnetic conduction shell is directly sleeved outside the whole part. The front framework baffle and the rear framework baffle are made of magnetic conductive materials 1J50, the magnetic conductive end pieces are directly replaced, the magnetic conductive shell is matched, the whole magnetic conductive capacity is greatly improved, the magnetic field of a product is effectively optimized, and the electrical performance of the product is improved. Meanwhile, the number of parts and unstable matching mode are structurally reduced, so that the product strength can be effectively optimized, the product failure rate is reduced, and the product reliability is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the examples of the present invention will be briefly explained below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a coil assembly of a linear displacement transducer using a conventional magnetic circuit structure;
FIG. 2 is a coil assembly of a linear displacement sensor using a novel magnetic circuit structure;
wherein, the magnetic conduction shell is 1, the magnetic conduction end plate is 2, the framework is 3, the framework baffle is 4, and the framework lining is 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Features of various aspects of embodiments of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples thereof. The present invention is not limited to any particular arrangement and method provided below, but covers any modification, replacement, etc. of all product structures, methods covered without departing from the spirit of the invention.
In the drawings and the following description, well-known structures and techniques are not shown to avoid unnecessarily obscuring the present invention.
Referring to fig. 2, a novel magnetic circuit structure of a linear displacement sensor adopts a split type framework with a framework lining 5 and front and rear framework baffles 4, wherein the front and rear framework baffles 4 are made of magnetic conductive materials 1J50, and directly replace the magnetic conductive end piece in the existing structure to be matched with a magnetic conductive shell 1. The excircle of the framework baffle 4 and the inner diameter of the magnetic conduction shell are the same in size, a step is designed on the framework baffle at one end, the magnetic conduction shell is sleeved into the step from the framework baffle at the other end, and the end face of the other side is kept flush.
The utility model provides a novel magnetic circuit structure of linear displacement sensor through the structure and the material that change bobbin, can increase the sectional area of magnetic conduction magnetic circuit, increases magnetic conductivity, reduces magnetic resistance and magnetic leakage for whole magnetic conductivity obtains very big improvement, the effectual magnetic field of optimizing the product promotes the electrical property of product. Meanwhile, the number of parts and an unstable matching mode are structurally reduced, so that the product strength can be effectively optimized, the product failure rate is reduced, the product reliability is improved, and the method is more suitable for aviation equipment products.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the protection scope of the present invention.

Claims (6)

1. A magnetic circuit structure of a linear displacement sensor is characterized in that: the magnetic circuit structure comprises a framework lining, a framework baffle plate and a magnetic conduction shell from inside to outside in sequence; the coil is embedded and wound between the framework lining and the magnetic conduction shell, the framework baffle is sleeved at two ends of the framework lining and fixed, the magnetic conduction shell is sleeved outside the framework baffle, and the excircle of the framework baffle and the inner diameter of the magnetic conduction shell are in the same size.
2. The magnetic circuit structure of claim 1, wherein: the framework baffle is made of magnetic conductive material.
3. The magnetic circuit structure of claim 2, wherein: the framework baffle is made of soft magnetic alloy.
4. The magnetic circuit structure of claim 1, wherein: the skeleton lining is made of nonmagnetic stainless steel.
5. The magnetic circuit structure of claim 1, wherein: the framework baffle is welded and fixed with the periphery of the framework lining.
6. The magnetic circuit structure of claim 1, wherein: one end of the framework baffle is provided with a step.
CN202022632758.0U 2020-11-13 2020-11-13 Magnetic circuit structure of linear displacement sensor Active CN213515463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022632758.0U CN213515463U (en) 2020-11-13 2020-11-13 Magnetic circuit structure of linear displacement sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022632758.0U CN213515463U (en) 2020-11-13 2020-11-13 Magnetic circuit structure of linear displacement sensor

Publications (1)

Publication Number Publication Date
CN213515463U true CN213515463U (en) 2021-06-22

Family

ID=76423548

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022632758.0U Active CN213515463U (en) 2020-11-13 2020-11-13 Magnetic circuit structure of linear displacement sensor

Country Status (1)

Country Link
CN (1) CN213515463U (en)

Similar Documents

Publication Publication Date Title
CN208955128U (en) Cylindrical electrical core encapsulating structure
CN213515463U (en) Magnetic circuit structure of linear displacement sensor
CN201463947U (en) Non-lining type electromagnetic flow sensor
CN202076356U (en) Insulating space ring of cylindrical lithium battery and battery comprising same
CN105161248A (en) Superconducting magnet coil skeleton supporting structure
CN205845664U (en) The amorphous alloy transformer winding construction that anti-short circuit capability is high
CN213420627U (en) Gas storage equipment and new forms of energy carrier
CN206481148U (en) The metal reinforcement plate and voice coil motor of a kind of voice coil motor
CN201590313U (en) Dry air core reactor star frame
CN205036988U (en) Can bear helical bellows of inside and outside pressure
CN210780337U (en) Insulating bearing sleeve for motor
CN207368140U (en) A kind of multi pole ears core structure battery core
CN201732937U (en) Connector structure capable of preventing interference of electromagnetic waves
CN205376415U (en) High -efficient electro -magnet
CN210516916U (en) Universal cylindrical polymer battery
CN206282713U (en) A kind of electricity getting device
CN208955093U (en) A kind of cylinder battery core
CN212315211U (en) High temperature resistant take-up reel that protect function is good
CN204010888U (en) Filling inductor
CN204884843U (en) Continuous wound core's electromagnetic type voltage transformer is not cut in area
CN203828631U (en) Connection structure for outer pot and outer cover and electric cooker
CN219998021U (en) Skeleton texture of miniature transformer
CN204974163U (en) Antipodal electric magnetic iron remover
CN203071786U (en) Voice coil motor and sheet-shaped spring
CN109103358A (en) A kind of battery case and laminated battery plate

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant