The convenient switching probe apparatus of a kind of coating thickness detectorTechnical field
The invention belongs to thickness measuring instrument field of structural design, be specifically related to the convenient switching probe apparatus of a kind of coating thickness detector.
Background technology
Existing coating thickness detector uses two independently sensor probes mostly, the probe that a strip magnetic measurement method uses, the probe that an eddy current measuring method uses, the material first determining matrix is needed before measurement, and measure again after installing probe, if when needing to measure the matrix of unlike material, need first to shut down, measurement of again starting shooting after changing probe.The coating thickness detector of this kind of structure in use needs frequent replacing pop one's head in and need repeat switch machine, and be unfavorable for the long-time use of equipment, whole surveying work is complicated, and the time is long.Needing carrying about standby to pop one's head in when going out operation, being not easy to carry.A kind of coating thickness detector disclosed in publication number CN203011362U, comprise main frame, connecting line and probe, described connecting line one section is connected with main frame, the connecting line other end is fixed with versatile interface, described probe is connected with versatile interface, dissimilar probe can be connected, such as with the probe etc. that probe or the electricity consumption eddy current method of electromagnetic method measurement are measured, need first to determine basic material before actual measurement, select suitable probe and measure after installing, select and mounting or dismounting conversion very inconvenience, and the serviceable life of equipment can be affected.Repeating to change in the process of probe, artificial to place probe unstable, and can cause the deviation that measured value and actual value are larger, the data obtained can bring certain difficulty to assessing.Also occurred the convenient probe of some integrated designs, a kind of coating thickness detector disclosed in publication number CN202599329, its probe comprises the outer jointing jacket being provided with the first cavity, the internal protective cover being provided with the second cavity and back-moving spring for this reason; Be provided with circuit board, magnetic core, electromagnetic measurement end, electric eddy current measurement end from back to front successively and be positioned at the cover plate at the second cavity front end exit place in internal protective cover second cavity of probe; Electric eddy current measurement end is made up of the first skeleton and the first inductive coil be wound on the first skeleton; Electromagnetic measurement end is made up of the second skeleton and the second inductive coil be wound on the second skeleton; First inductive coil is electrically connected with circuit board respectively with the second inductive coil; The front end of magnetic core is passed the second skeleton and the central through hole of the first skeleton and the perforation of cover plate successively and is stretched out outer jointing jacket.The shortcoming of this structure is: too closely, when measuring, two coils easily disturb, and affect measurement result, can increase unnecessary repeated work for the first inductive coil and the second inductive coil distance; In addition, when measuring, when instrument internal judging material to select to adopt electromagnetic method measurement or current vortex method by increasing chip, not only measure complex structure, repair too loaded down with trivial details, and power on/off is frequent, also shortens the serviceable life of equipment.
Summary of the invention
Switch loaded down with trivial details for prior art floating coat thickness meter probe, can be interfered in the middle of use, probe installs instability, the problem such as affect test data and serviceable life is short, the object of this invention is to provide the convenient switching device shifter of a kind of coating thickness detector.Adopt the more ingenious convenience of assembling of the convenient switching device shifter of the coating thickness detector of this kind of structure, structure is more compact, is integral type.When carrying out surveying work, need not probe be changed, need not repeat switch machine, only need be switched by push type, test job is convenient, and is also convenient for carrying when going out operation.This apparatus casing upper end is provided with Multi-functional probe, does not need to plug probe for a long time, easy to use, thicknessmeter longer service life.Mentality of designing is simple and clear, repairs conveniently, saves time, accelerate work efficiency.
The technical solution used in the present invention is:
Convenient for this coating thickness detector switching device shifter is designed to the housing of hollow section in the moulding of " convex " word, and the enclosure interior of " convex " word moulding is embedded with electromagnetic measurement end and electric eddy current measurement end from left to right respectively.Can first unload probe after judging in actual measurement process to install again, utilize specific " convex " word moulding housing and coordinating between spring leaf and notch, design cleverly can directly utilize push type to switch, and operates easy-to-understand.
Be provided with the dividing plate of a band notch on this basis in the middle of " convex " word moulding housing upper, dividing plate lower end flushes with " convex " word moulding Housing shoulder.
On this basis " convex " word moulding housing upper sidewall and the parallel place of notch be each side provided with an identical notch.
Under notch equals duty to the distance of " convex " word moulding Housing shoulder, electromagnetic measurement end or electric eddy current measurement distal process go out the size on " convex " word moulding top.
" convex " word moulding lower housing portion is provided with a upwards arcuately bending spring leaf on this basis, and peak and " convex " word moulding Housing shoulder of spring leaf offset.Switch in the process of probe in reality, the function of intelligently connecting or disconnecting electricity can be realized cleverly by spring during downward pressing, project organization is compact, can ensure fully to contact conducting, there will not be artificial probe contacts unstable, affect the problem of the measurement result of data, provide guarantee to data analysis, decrease a large amount of repetitive operation.
Electromagnetic measurement end and electric eddy current measurement end all offer through hole with the notch place of flushing respectively on this basis, and described through hole inside is chimeric structure of calipers.
Structure of calipers is from left to right for slide calliper rule a, spring, slide calliper rule b are connected in sequence on this basis.
Structure of calipers is connected by slide calliper rule a and slide calliper rule b with notch on this basis.Slide calliper rule a and slide calliper rule b upper and lower end face are vertically chamfered structure.
On this basis under spring state of nature, all outstanding electromagnetic measurement end of slide calliper rule a and slide calliper rule b and electric eddy current measurement end side surface.When spring receives extruding, because the chamfered structure of slide calliper rule a and slide calliper rule b and average length are longer than electromagnetic measurement end and electric eddy current measurement end, can make slide calliper rule a and slide calliper rule b rapidly and snap in notch reposefully.
On this basis, under structure of calipers equals duty to the distance of " convex " word moulding Housing shoulder, electromagnetic measurement end or electric eddy current measurement distal process go out the size on " convex " word moulding top.This size is consistent from the distance of " convex " word moulding Housing shoulder with notch through strict calculating, and can make slide calliper rule a when pressing downwards measured by needs, slide calliper rule b fully contacts with measuring junction, timely conducting, is quick on the draw.
Compared with prior art, the invention has the beneficial effects as follows:
What the convenient switching probe apparatus of this coating thickness detector adopted is the probe that method for electromagnetically measuring and eddy current measuring method are integrated.
1. when using the convenient switching probe apparatus of coating thickness detector of the present invention, according to examined object choice for use electromagnetic measurement end or electric eddy current measurement end, when needing to use electromagnetic measurement end, only need pressing electric eddy current measurement end downwards, because structure of calipers of the present invention has shape upper and lower end face of cutting sth. askew, reduce downward pressing dynamics, avoid firmly excessive damage device, improve the serviceable life of equipment.
2. in the process of pressing downwards, electric eddy current measurement end lower surface pushes spring leaf open downwards, spring leaf is gathered to electromagnetic measurement end, give the stressed position moving upward to slide calliper rule and just match with notch of slide calliper rule being originally stuck in " convex " word moulding Housing shoulder by structure of calipers, abundant connection electromagnetic measurement end, at this moment, the structure of calipers of electric eddy current measurement end just props up the realization of " convex " word moulding Housing shoulder to the disconnecting of electric eddy current measurement end and locking, reaches the effect of intelligently connecting or disconnecting electricity; If need to use electric eddy current measurement end, downward pressing electromagnetic measurement end, abundant connection electric eddy current measurement end, at this moment, the structure of calipers of electromagnetic measurement end just props up the realization of " convex " word moulding Housing shoulder to the disconnecting of electromagnetic measurement end and locking, thus realizes the measurement of current vortex method, easy to operate, structure is simple, there will not be interference phenomenon, can ensure the preciseness of the data measuring gained.
3. under structure of calipers equals duty to the distance of " convex " word moulding Housing shoulder, electromagnetic measurement end or electric eddy current measurement distal process go out the size on " convex " word moulding top, guarantee to be pressed into " convex " word moulding enclosure interior completely when a probe does not use, not only attractive in appearance but also conveniently save trouble.
4. adopt the assembling of the coating thickness detector of this kind of structure convenient, structure is more compact.When carrying out surveying work, need not probe be changed, need not repeat switch machine, easy switching, test job is more simple, and is also convenient for carrying when going out operation.This apparatus casing upper end is provided with Multi-functional probe, does not need to plug probe for a long time, user, the longer service life of coating thickness detector.
Accompanying drawing explanation
Fig. 1 is coating thickness detector of the present invention convenient switching probe apparatus structural representation.
Fig. 2 is the in running order schematic diagram of coating thickness detector of the present invention convenient switching probe apparatus electromagnetic measurement end.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the convenient switching probe apparatus of a kind of coating thickness detector, comprises the housing 1 of hollow section in the moulding of " convex " word and the electromagnetic measurement end 2 and the electric eddy current measurement end 3 that are embedded in " convex " word moulding housing 1 inside.
Be provided with the dividing plate 5 of a band notch 4 in the middle of " convex " word moulding housing 1 top, this dividing plate 5 lower end flushes with " convex " word moulding housing 1 shoulder.
The left and right sides, " convex " word moulding housing 1 top wall is respectively equipped with identical notch 4 with the parallel place of notch 4.
All offer through hole with the notch place of flushing respectively at electromagnetic measurement end and electric eddy current measurement end, this through hole 7 inside is fitted together to structure of calipers 8.
Structure of calipers 8 is formed by connecting by slide calliper rule a11, spring 9, slide calliper rule b12 from left to right successively.
Under spring 9 state of nature, the side of all outstanding electromagnetic measurement end 2 of slide calliper rule a11 and slide calliper rule b12 and electric eddy current measurement end 3.
The size on electromagnetic measurement end 2 or outstanding " convex " word moulding housing 1 top of electric eddy current measurement end 3 under structure of calipers 8 equals duty to the distance of " convex " word moulding housing 1 shoulder.
Slide calliper rule a11 and slide calliper rule b12 upper and lower end face are vertically chamfered structure 10.
Structure of calipers 8 is connected by slide calliper rule a11 and slide calliper rule b12 with notch 4.
" convex " word moulding housing 1 bottom is provided with a upwards arcuately bending spring leaf 6, and this spring leaf 6 peak and " convex " word moulding housing 1 shoulder offset.
What this coating thickness detector adopted is the probe that method for electromagnetically measuring and eddy current measuring method are integrated, when the convenient switching probe apparatus of use coating thickness detector of the present invention, according to examined object choice for use electromagnetic measurement end 2 or electric eddy current measurement end 3, when needing to use electromagnetic measurement end 2, only need pressing electric eddy current measurement end 3 downwards, because structure of calipers 8 of the present invention has shape upper and lower end face of cutting sth. askew, reduce the dynamics of pressing downwards, avoid firmly excessive to such an extent as to damage device.
In the process of pressing downwards, electric eddy current measurement end 3 lower surface pushes spring leaf 6 downwards open, spring leaf 6 is gathered to electromagnetic measurement end, give the stressed position moving upward to slide calliper rule and just match with notch 4 of slide calliper rule being originally stuck in " convex " word moulding housing 1 shoulder by structure of calipers 8, connect electromagnetic measurement end 2, at this moment, the structure of calipers of electric eddy current measurement end 3 just props up the realization of " convex " word moulding housing 1 shoulder to the disconnecting of electric eddy current measurement end 3 and locking, abundant connection electromagnetic measurement end, realizes intelligently connecting or disconnecting electricity, if need to use electric eddy current measurement end 3, downward pressing electromagnetic measurement end 2, in the process of pressing downwards, electromagnetic measurement end lower surface pushes spring leaf open downwards, spring leaf is gathered to electric eddy current measurement end, give the stressed position moving upward to slide calliper rule and just match with notch of slide calliper rule being originally stuck in " convex " word moulding Housing shoulder by structure of calipers, abundant connection electric eddy current measurement end, at this moment, the structure of calipers of electromagnetic measurement end just props up the realization of " convex " word moulding Housing shoulder to the disconnecting of electromagnetic measurement end and locking, thus realize the measurement of current vortex method, easy to operate, structure is simple.
The size on electromagnetic measurement end 2 or outstanding " convex " word moulding housing 1 top of electric eddy current measurement end 3 under structure of calipers 8 equals duty to the distance of " convex " word moulding housing 1 shoulder, guarantees can be pressed into " convex " word moulding housing 1 completely when a probe does not use inner.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.