CN103512481A - Linear displacement sensor - Google Patents

Linear displacement sensor Download PDF

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Publication number
CN103512481A
CN103512481A CN201310453038.XA CN201310453038A CN103512481A CN 103512481 A CN103512481 A CN 103512481A CN 201310453038 A CN201310453038 A CN 201310453038A CN 103512481 A CN103512481 A CN 103512481A
Authority
CN
China
Prior art keywords
rod
shell
linear displacement
spring
displacement transducer
Prior art date
Application number
CN201310453038.XA
Other languages
Chinese (zh)
Inventor
眭新
Original Assignee
常州市微朗电子科技有限公司
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 常州市微朗电子科技有限公司 filed Critical 常州市微朗电子科技有限公司
Priority to CN201310453038.XA priority Critical patent/CN103512481A/en
Publication of CN103512481A publication Critical patent/CN103512481A/en

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Abstract

The invention discloses a linear displacement sensor which comprises an outer shell, a connecting rod, a signal line, a spring and a precise sliding resistor. The connecting rod penetrates through the outer shell, one end of the connecting rod is connected with a sliding tap of the precise sliding resistor, the spring is arranged on the connecting rod in a sleeved mode, a circuit board is arranged in the outer shell, the precise sliding resistor is arranged on the circuit board, and the signal line is arranged on the rear portion of the outer shell. By means of the mode, the linear displacement sensor has the advantages of being high in reliability, accurate in locating, compact in structure, long in service life, low in price and the like.

Description

Linear displacement transducer
Technical field
The present invention relates to sensor field, particularly relate to a kind of linear displacement transducer.
Background technology
The action need mechanical trip feedback that has a large amount of forging and stamping isoline motions in commercial production, common servo unit cannot be applicable to these projects, therefore straight-line displacement sensing is often installed on hydraulically operated equipment (HOE) monitors producing, general linear displacement transducer structure is comparatively complicated, cost is higher, and the life-span is shorter.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of linear displacement transducer, by resistance variations, realize the measurement of displacement, by the variation of voltage signal, realize the output of sensor, have that reliability is high, a registration, compact conformation, long service life, the advantage such as cheap.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of linear displacement transducer is provided, comprise: shell, connecting rod, signal wire, spring and accurate swept resistance, connecting rod passes through shell, connecting rod one end is connected with precision resistance sliding tap, and spring housing, on connecting rod, is provided with wiring board in shell, in the circuit board, signal wire is arranged on shell rear portion in accurate swept resistance setting.
In a preferred embodiment of the present invention, in described shell, be provided with wiring board installation position and spring position block.
In a preferred embodiment of the present invention, described connecting rod is provided with spring set collar.
In a preferred embodiment of the present invention, connecting rod front end is provided with screw thread, and rear end has connecting hole.
The invention has the beneficial effects as follows: linear displacement transducer of the present invention is realized the measurement of displacement by resistance variations, by the variation of voltage signal, realize the output of sensor, have that reliability is high, registration, compact conformation, long service life, the advantage such as cheap.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of linear displacement transducer one preferred embodiment of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, shell, 2, spring, 3, connecting rod, 4, accurate swept resistance, 5, screw thread, 6, wiring board, 7, signal wire, 8, spring position block, 9, mounting hole.
Embodiment
Below the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of linear displacement transducer, comprise: shell 1, connecting rod 3, signal wire 7, spring 2 and accurate swept resistance 4, connecting rod 3 is by shell 1, connecting rod 3 one end are connected with precision resistance sliding tap, spring 2 is enclosed within on connecting rod, in shell 1, be provided with wiring board 6, accurate swept resistance 4 arranges in the circuit board, and signal wire 7 is arranged on shell 1 rear portion.
In described shell 1, be provided with wiring board installation position and spring position block 8, facilitate core component to fix and install back-moving spring.
Described connecting rod 3 is provided with spring set collar, and fixing spring is eliminated return difference.
Described connecting rod 3 front ends are provided with screw thread, and rear end has connecting hole, for the reliable connection of external agency and resistance.
The course of work of sensor is:
After the connecting rod of linear displacement transducer is pushed, make it promote the tap of swept resistance, resistance is changed, the voltage recording at connecting line also changes, easily the displacement of calculating sensor.
The beneficial effect of linear displacement transducer of the present invention is:
One, by spring is set, eliminate the motion return difference of sensor, reduce sensor error;
Two,, by using long-life accurate swept resistance, have that reliability is high, a good linearity, feature that measuring accuracy is high;
Three, this invention sensor construction is compact, and reliability is high, with low cost, and measuring accuracy is higher, long service life.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.

Claims (4)

1. a linear displacement transducer, it is characterized in that, comprise: shell, connecting rod, signal wire, spring and accurate swept resistance, connecting rod passes through shell, connecting rod one end is connected with precision resistance sliding tap, and spring housing, on connecting rod, is provided with wiring board in shell, in the circuit board, signal wire is arranged on shell rear portion in accurate swept resistance setting.
2. linear displacement transducer according to claim 1, is characterized in that, is provided with wiring board installation position and spring position block in described shell.
3. linear displacement transducer according to claim 1, is characterized in that, described connecting rod is provided with spring set collar.
4. linear displacement transducer according to claim 1, is characterized in that, connecting rod front end is provided with screw thread, and rear end has connecting hole.
CN201310453038.XA 2013-09-29 2013-09-29 Linear displacement sensor CN103512481A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310453038.XA CN103512481A (en) 2013-09-29 2013-09-29 Linear displacement sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310453038.XA CN103512481A (en) 2013-09-29 2013-09-29 Linear displacement sensor

Publications (1)

Publication Number Publication Date
CN103512481A true CN103512481A (en) 2014-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310453038.XA CN103512481A (en) 2013-09-29 2013-09-29 Linear displacement sensor

Country Status (1)

Country Link
CN (1) CN103512481A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019735A (en) * 2014-06-12 2014-09-03 国家电网公司 Thread structure component measuring device
CN104019732A (en) * 2014-06-16 2014-09-03 国家电网公司 Performance measuring device of thread structure component
CN104019731A (en) * 2014-06-12 2014-09-03 国家电网公司 Thread structure component parameter measuring device
CN104713465A (en) * 2015-02-06 2015-06-17 深圳市前海安测信息技术有限公司 Displacement measuring device and method based on spiral resistor
CN104807424A (en) * 2015-04-16 2015-07-29 长安大学 Contact type in-pipe surplus seam height measurement device
CN105841597A (en) * 2016-05-12 2016-08-10 陕西科技大学 Papermaking disc grinder millstone wear detection device and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019735A (en) * 2014-06-12 2014-09-03 国家电网公司 Thread structure component measuring device
CN104019731A (en) * 2014-06-12 2014-09-03 国家电网公司 Thread structure component parameter measuring device
CN104019732A (en) * 2014-06-16 2014-09-03 国家电网公司 Performance measuring device of thread structure component
CN104713465A (en) * 2015-02-06 2015-06-17 深圳市前海安测信息技术有限公司 Displacement measuring device and method based on spiral resistor
CN104807424A (en) * 2015-04-16 2015-07-29 长安大学 Contact type in-pipe surplus seam height measurement device
CN104807424B (en) * 2015-04-16 2017-10-20 长安大学 A kind of contact pipe inside weld reinforcement measurement apparatus
CN105841597A (en) * 2016-05-12 2016-08-10 陕西科技大学 Papermaking disc grinder millstone wear detection device and method
CN105841597B (en) * 2016-05-12 2018-05-22 陕西科技大学 A kind of finishing papermaking disk milling machine abrasive disk abrasion detection device and method

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140115

WD01 Invention patent application deemed withdrawn after publication