CN207335620U - A kind of high life angular displacement sensor - Google Patents

Abstract

The utility model discloses a kind of high life angular displacement sensor, it includes shell and shaft, and the one end of shaft is arranged in shell and is rotatablely connected with shell；Conducting base is equipped with shell, shell is equipped with the exit being electrically connected with conducting base；Wherein, through hole is offered on the side wall of the shell, the one end of exit, which is arranged in the through hole, to be fixed, and is electrically connected with conducting base；Shell is extended in the other end of exit, for connecting external cabling.The angular displacement sensor of the utility model is drawn using the mode of exit, and used conducting base is formed using plastic compression, and when brush is moved in a circle with appropriate pressure on conducting base surface, sensor life-time can reach >=1,000 ten thousand times.

Description

A kind of high life angular displacement sensor

Technical field

Sensor technical field is the utility model is related to, is specifically that one kind has high life angular displacement sensor.

Background technology

Angular displacement sensor is applied to the angle control in Mechatronics control system, is widely used in mechanical equipment system Make, Chemical Engineering Process Control, Architectural Equipment, instrument and meter, Medical Instruments production etc. it is various need control angle occasions.

Existing angular displacement sensor includes many kinds such as resistance-type, condenser type, inductance type, photo-electric, raster pattern, mesh It is the angular displacement sensor of resistance-type that preceding in the market is common, is usually made of resistive element and moveable brush, when brush edge It is the resistance value or voltage obtained with displacement into certain relation in output terminal when resistive element moves.Existing angle displacement transducer Device, is usually arranged at enclosure by resistive element, and then by perforate on the shell, resistive element is led to shell by conducting wire Inside, then carry out wiring and connect other electricity pieces, it is general such a although it is with technology maturation, cheap advantage The sensor of structure wears no resistance, and is vulnerable to external force influence so that sensor life-time is limited.

Utility model content

Therefore, for it is above-mentioned the problem of, the utility model proposes a kind of high life angular displacement sensor, to existing angle position The internal structure of displacement sensor is improved, and existing conductor structure is changed to leading-out terminal structure, each electrical part is effectively ensured The stability of the electrical connection of part, prevents sensor to be subject to run not caused by external force or other vibration sources in use The problem of reliable, so as to ensure the service life of sensor.

In order to solve the above-mentioned technical problem, the utility model is the technical scheme adopted is that a kind of high life angular displacement passes Sensor, including shell and shaft, the one end of shaft are arranged in shell and are rotatablely connected with shell；Conductive base is equipped with shell Body, shell are equipped with the exit being electrically connected with conducting base；Wherein, through hole is offered on the side wall of the shell, is drawn The one end at end is arranged in the through hole and fixes, and is electrically connected with conducting base；Shell is extended in the other end of exit, For connecting（Such as weld）External cabling.Wherein, the conducting base is molded by plastic compression.The angular displacement of the utility model passes Sensor is drawn using the mode of exit, and used conducting base is formed using special plastic compression formula and technique plastic compression, works as electricity When brush is moved in a circle with appropriate pressure on conducting base surface, sensor life-time can reach >=1,000 ten thousand times.

Further, the exit is fixed in shell by relaying screw, specifically, the first end of exit by Through hole on the side wall of shell stretches into enclosure, and first end is equipped with and is used for spacing bayonet（It can be through hole, also may be used To be groove）, the one end for relaying screw is fixed on the roof of shell, and the other end extends downward into exit from the roof of shell Bayonet in and fix, so as to fulfill the further fixed of exit.Further, the second end of exit exposes to outer Outside shell, and the side-wall outer side of the second end and shell passes through fastener（Such as screw）It is fixed, so that further by exit Compress on the shell.The application through the above scheme, is fixed, not only facilitates wiring on the shell by the way that exit is compressed, and And can ensure that conducting base, the exit on shell and the electrical connection between external cabling are more firm, improve angular displacement and pass The linear precision of sensor.

Further, it is electrically connected between the first end and conducting base of the exit by inserting spring.It is furthermore preferred that The slotting spring inserts spring using Y types.The prior art is connected using conducting wire, not only in junction（Welding or other connections）Easily Broken string, and under long-time service situation, the easy aging of conducting wire and then the performance for influencing whole sensor, therefore the utility model passes through Y types insert spring and are electrically connected the exit on conducting base and shell, solve above-mentioned a variety of deficiencies well.

The angular displacement sensor of the utility model, using the above scheme, has the following advantages that：1st, using the mode of exit Draw, conducting base is formed using special plastic compression formula and technique plastic compression, when brush with appropriate pressure on conducting base surface When moving in a circle, sensor life-time can reach >=1,000 ten thousand times；2nd, the structure of exit is optimized, in internal After screw and the exterior dual fixation of fastener, it ensure that the stability of the electrical connection of exit, further ensured sensor Service life；3rd, it is electrically connected between exit and conducting base by the slotting spring of hard, more add electrical connection can By property and stability.To sum up, the angular displacement sensor of the utility model, compares existing sensor, its structure is relatively reliable, more Can be wear-resisting, there is more long service life.

Brief description of the drawings

Fig. 1 is the structure diagram of the exit of the angular displacement sensor of the utility model；

Fig. 2 is the top view of the high life angular displacement sensor of the utility model；

Fig. 3 is enlarged diagram at the A in Fig. 2.

Embodiment

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model Limitation.

In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For the limitation to the utility model.In addition, term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that Instruction implies relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Referring to Fig. 1-Fig. 3, a kind of high life angular displacement sensor of the utility model, including shell 1 and shaft（On figure not Show）, the one end of shaft is arranged in shell 1 and is rotatablely connected with shell 1；Conducting base 2 is equipped with shell 1, on shell 1 Equipped with the exit 3 being electrically connected with conducting base 2.Wherein, through hole, the one end of exit 3 are offered on the side wall of shell 1 It is arranged in the through hole and fixes, and is electrically connected with conducting base 2；Shell 1 is extended in the other end of exit 3, for even Connect（Such as weld）External cabling.Wherein, conducting base 2 be formulated by special plastic compression and technique plastic compression and be molded.

Wherein, exit 3 is fixed in shell 1 by relaying screw 4, specifically, the first end 31 of exit 3 is by outer Through hole on the side wall of shell 1 is stretched into inside shell 1, and first end 31 is equipped with and is used for spacing bayonet（Can be through hole, It can be groove）, relaying screw 4 one end be fixed on the roof of shell 1, the roof of the other end from shell 1 extends downward into Fixed in the bayonet of exit 3, so as to fulfill the further fixed of exit 3.

The second end 32 of exit 3 is exposed to outside shell 1, and the second end 32 and the side-wall outer side of shell 1 pass through Screw 5 is fixed, so that further exit 3 is pressed on shell 1.The application through the above scheme, by the way that exit 3 is pressed It is tightly fixed on shell 1, not only facilitate wiring, but also can ensure conducting base 2, the exit 3 on shell 1 and external cabling Between electrical connection it is more firm, improve the linear precision of angular displacement sensor.

In addition, in the present embodiment, in order to further enhance the stability of electrical connection, the first end 31 of exit 3 is with leading Spring 6 is inserted between electric matrix 2 by Y types to be electrically connected.The prior art is connected using conducting wire, not only in junction（Welding or Other connections）Easily broken string, and under long-time service situation, the easy aging of conducting wire and then the performance for influencing whole sensor, Therefore the utility model inserts spring by Y types and is electrically connected the exit 3 on conducting base 2 and shell 1, solves well above-mentioned A variety of deficiencies.

The angular displacement sensor of the utility model, is drawn electrical interconnection using the mode of exit, used to lead Electric matrix is formed using special plastic compression formula and technique plastic compression, when brush does circumference fortune with appropriate pressure on conducting base surface When dynamic, sensor life-time can reach >=1,000 ten thousand times, compare existing sensor, its structure is relatively reliable, more resistant to mill, has more Long service life.

Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details On the utility model can be made a variety of changes, be the scope of protection of the utility model.

Claims (5)

1. A kind of 1. high life angular displacement sensor, it is characterised in that：Including shell and shaft, the one end of shaft is arranged in shell And it is rotatablely connected with shell；Conducting base is equipped with shell, shell is equipped with the exit being electrically connected with conducting base；Its In, through hole is offered on the side wall of the shell, the one end of exit, which is arranged in the through hole, to be fixed, and electric with conducting base Property connection；Shell is extended in the other end of exit, for connecting external cabling.
2. 2. high life angular displacement sensor according to claim 1, it is characterised in that：The exit is by relaying screw It is fixed in shell, specifically, the first end of exit stretches into enclosure, and first end by the through hole on the side wall of shell Portion, which is equipped with, is used for spacing bayonet, and the one end for relaying screw is fixed on the roof of shell, the other end from the roof of shell to Under extend in the bayonet of exit and fix.
3. 3. high life angular displacement sensor according to claim 2, it is characterised in that：Outside the second end of the exit Housing exterior is exposed to, and the side-wall outer side of the second end and shell is fixed by fastener.
4. 4. the high life angular displacement sensor according to Claims 2 or 3, it is characterised in that：The first end of the exit It is electrically connected between portion and conducting base by inserting spring.
5. 5. high life angular displacement sensor according to claim 4, it is characterised in that：The slotting spring inserts spring using Y types.