CN214097626U - Micro polar distance high-precision medium surface layer resistivity tester - Google Patents

Abstract

The utility model discloses a small utmost point is apart from high accuracy medium top layer resistivity tester, including tester main part and probe, tester main part top is kept away from the cavity has been seted up to the one end of recess, the symmetry is equipped with the fixed block in the cavity, the fixed block is kept away from the arc wall has been seted up to the one end of cavity, the equidistance is equipped with reset spring on the arc wall, reset spring keeps away from the fixed arc limiting plate that is equipped with of one end of fixed block, be equipped with the slipmat on the arc limiting plate, the fixed spacing ring that is equipped with on the probe, the spacing groove has been seted up on the spacing ring, there is the visor on the cavity top through slide mechanism sliding connection. The utility model discloses a accomodate test wire and probe respectively, effectually avoid twining, avoid when not using the probe to expose in external environment, inconvenient carrying on the one hand, on the other hand can not protect it, causes the damage easily, influences the sensitivity of probe, influences measuring result.

Description

Micro polar distance high-precision medium surface layer resistivity tester

Technical Field

The utility model relates to a resistivity tester technical field specifically is a small utmost point apart from high accuracy medium top layer resistivity tester.

Background

The resistivity is a physical quantity used for representing resistance characteristics of various substances, reflects the property of the substances on the current blocking effect, is related to the types of the substances and is also influenced by temperature, and a resistivity tester can test the resistivity of the material and is convenient for analyzing and using the material.

Present resistivity test appearance discovers when using, and the probe and the main part of most test appearance are all through wire fixed connection together, and the back of finishing using is inconvenient to be carried, and the wire is in the same place easy to produce winding phenomenon moreover, influences and uses next time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small utmost point apart from high accuracy medium top layer resistivity tester to the probe and the main part of solving the most tester that proposes in the above-mentioned background art all are through wire fixed connection together, and the back of finishing using is inconvenient to be carried, and the wire is in the same place easy anti-winding phenomenon in addition, influences the problem of using next time.

In order to achieve the above object, the utility model provides a following technical scheme: a micro polar distance high-precision medium surface resistivity tester comprises a tester main body and a probe, wherein one side of the top end of the tester main body is provided with a groove, a connecting port is fixedly arranged in the groove, one end of the probe is fixedly provided with a connecting port, the two connecting ports are electrically connected through a test lead, one end of the top end of the tester main body, which is far away from the groove, is provided with a cavity, fixed blocks are symmetrically arranged in the cavity, one ends of the fixed blocks, which are far away from the cavity, are provided with arc-shaped grooves, return springs are equidistantly arranged on the arc-shaped grooves, one ends of the return springs, which are far away from the fixed blocks, are fixedly provided with arc-shaped limiting plates, the arc-shaped limiting plates are provided with non-slip mats, the probe is fixedly provided with limiting rings, the limiting rings are provided with limiting grooves, the arc-shaped limiting plates are matched with the limiting grooves, and the bottom ends of the cavities are fixedly provided with protective mats, the protection pad is matched with the bottom end of the probe, and the top end of the cavity is connected with a protection cover in a sliding mode through a sliding mechanism.

Preferably, a touch display screen is embedded in the front end of the tester main body, and a key is arranged on one side of the touch display screen.

Preferably, one side of the tester main body, which is far away from the key, is fixedly provided with a voice broadcast device.

Preferably, the tester main body rear end bottom side is opened and is equipped with and holds the chamber, it is equipped with the sliding closure to hold the chamber outside.

Preferably, slide mechanism is including the fixed arc slider that sets up at the protecting cover both ends, the spout has been seted up on tester main part top, the slide has been seted up to the both ends symmetry of spout, the equidistance is equipped with the ball in the slide, the arc slider with slide sliding connection, the ball with the arc slider phase-match, the visor with be equipped with fixed establishment between the tester main part.

Preferably, fixed establishment is including the fixed second magnetic stripe that sets up in protecting cover one end, tester main part top one side is fixed and is equipped with first magnetic stripe, first magnetic stripe with second magnetic stripe magnetism is opposite.

Preferably, a rectangular block is fixedly arranged on one side of the top end of the protective cover.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) when the device is used, the tester main body and a connecting port on the probe are connected through a test wire, the probe is placed on a material to be measured, the resistivity of the tester main body is measured, the device is operated through a key and a touch display screen on the tester main body, a test result can be displayed on the touch display screen in real time, observation and recording are facilitated, and the operation process and the test result can be broadcasted through a voice broadcaster, so that the device is simple to operate and convenient to use;

(2) after the probe is used, the test lead on the connecting port is pulled down, the sliding cover at the rear end of the tester body is opened at the moment, the test lead is placed into the accommodating cavity, the sliding cover is closed, the test lead can be accommodated to prevent loss, the problem that the test lead is wound together due to the fact that the test lead cannot be disassembled is solved, the first magnetic strip and the second magnetic strip are stressed to be separated by pulling the rectangular block on the protective cover at the moment, the arc-shaped sliding blocks at the two ends of the protective cover slide in the slide way, the ball bearings in the slide way facilitate the arc-shaped sliding blocks to slide in the slide way, the protective cover enters the slide way to open the cavity, the probe is inserted into the cavity at the moment, the probe is moved transversely leftwards at the moment, the reset spring on the arc-shaped limiting plate is stressed to shrink at the moment, the probe is moved downwards at the moment, the limiting ring on the probe enters the arc-shaped limiting plate at the moment, at the moment, the reset spring between the fixed block and the arc limiting plate is stressed to contract, the arc limiting plate is extruded under the action of elastic potential energy when the reset spring contracts, the anti-slip pad on the arc limiting plate is contacted with the limiting groove on the limiting ring, the anti-slip pad can increase the friction force between the anti-slip pad and the limiting ring, and further can well fix the anti-slip pad, the bottom end of the probe is contacted with the protection pad at the bottom end of the cavity to protect and fix the anti-slip pad, at the moment, the arc sliding blocks at the two ends of the protective cover are driven to move on the slide way by pulling the rectangular block, at the moment, the first magnetic strip and the second magnetic strip attract each other to fix the protective cover, and the probe can be prevented from being exposed in the external environment when not used, so that the probe is inconvenient to carry on the one hand, and on the other hand, the probe cannot be protected, is easy to cause damage, influences the sensitivity of the probe and influences the measurement result, seal up the cavity through the visor, can seal up the protection to the probe, prevent that impurity such as external dust from entering into the cavity in, cause the damage to inside probe, influence its sensitivity.

Drawings

FIG. 1 is a schematic structural view of a high-precision medium surface resistivity tester with a small polar distance according to the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a high-precision medium surface resistivity tester with a small polar distance according to the present invention;

FIG. 3 is a schematic cross-sectional view of a cavity in a micro polar distance high precision medium surface resistivity tester provided by the present invention;

FIG. 4 is a partial schematic view of a sliding mechanism in a micro polar distance high precision medium surface resistivity tester provided by the present invention;

fig. 5 is the utility model provides a little utmost point apart from high accuracy medium top layer resistivity tester in the structural sketch of fixed block and arc limiting plate.

In the figure: 1. a tester main body; 2. pressing a key; 3. a touch display screen; 4. a voice broadcaster; 5. a connecting port; 6. testing the lead; 7. a probe; 8. a limiting ring; 9. a sliding cover; 10. a protective cover; 11. a rectangular block; 12. a groove; 13. a chute; 14. a first magnetic stripe; 15. a second magnetic stripe; 16. a protection pad; 17. a fixed block; 18. a slideway; 19. an arc-shaped sliding block; 20. a ball bearing; 21. a return spring; 22. an arc limiting plate; 23. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-5, the present invention provides an embodiment: a micro polar distance high-precision medium surface resistivity tester comprises a tester main body 1 and a probe 7, wherein one side of the top end of the tester main body 1 is provided with a groove 12, a connecting port 5 is fixedly arranged in the groove 12, one end of the probe 7 is fixedly provided with the connecting port 5, the two connecting ports 5 are electrically connected through a testing lead 6, the tester main body 1 and the probe 7 are conveniently connected and disassembled, the probe 7 is conveniently stored when not used, one end of the top end of the tester main body 1, far away from the groove 12, is provided with a cavity, fixed blocks 17 are symmetrically arranged in the cavity, one end of the fixed block 17, far away from the cavity, is provided with an arc-shaped groove, reset springs 21 are equidistantly arranged on the arc-shaped groove, one end of the reset springs 21, far away from the fixed block 17, is fixedly provided with an arc-shaped limiting plate 22, and an anti-skid pad 23 is arranged on the arc-shaped limiting plate 22, the probe 7 is fixedly provided with a limiting ring 8, the limiting ring 8 is provided with a limiting groove, the arc-shaped limiting plate 22 is matched with the limiting groove, the probe 7 is inserted into the cavity, the probe 7 is transversely moved leftwards at the moment, the reset spring 21 on the arc-shaped limiting plate 22 is stressed to shrink, the probe 7 is moved downwards at the moment, the limiting ring 8 on the probe 7 enters the arc-shaped limiting plate 22, the reset spring 21 between the fixing block 17 and the arc-shaped limiting plate 22 is stressed to shrink, the arc-shaped limiting plate 22 is pressed under the action of elastic potential energy generated when the reset spring 21 shrinks, the anti-skid pad 23 on the arc-shaped limiting plate 22 is contacted with the limiting groove on the limiting ring 8, the anti-skid pad 23 can increase the friction force between the anti-skid pad and the limiting ring 8, so that the anti-skid pad can be well fixed, the cavity is fixedly provided with a protecting pad 16, and the protecting pad 16 is matched with the bottom end of the probe 7, the bottom end of the probe 7 is now in contact with the protective pad 16 at the bottom end of the cavity, protecting and fixing it, the top end of the cavity being slidably connected to the protective cap 10 by means of a sliding mechanism.

Further, 1 front end of tester main part is embedded to have touch display screen 3, one side of touch display screen 3 is equipped with button 2, operates equipment through button 2 and touch display screen 3 above it, and the result of test can show in real time on touch display screen 3, conveniently observes and takes notes.

Further, tester main part 1 keeps away from one side of button 2 is fixed to be equipped with voice broadcast ware 4, and operation process and test result can be reported through voice broadcast ware 4, easy operation facilitates the use.

Further, the bottom side of the rear end of the tester body 1 is provided with a containing cavity, the outside of the containing cavity is provided with a sliding cover 9, after the use is finished, the test wire 6 on the connecting port 5 is pulled out, the sliding cover 9 at the rear end of the tester body 1 is opened at the moment, the test wire 6 is placed into the containing cavity, the sliding cover 9 is closed, the test wire 6 is stored, on one hand, the test wire can be stored, the test wire is prevented from being lost, on the other hand, the problem that the test wire is wound together due to the fact that the traditional test wire cannot be disassembled is solved, and the test wire is prevented from being lost.

Further, the sliding mechanism comprises arc-shaped sliding blocks 19 fixedly arranged at two ends of the protective cover 10, a sliding groove 13 is formed in the top end of the tester main body 1, sliding ways 18 are symmetrically formed in two ends of the sliding groove 13, balls 20 are arranged in the sliding ways 18 at equal intervals, the arc-shaped sliding blocks 19 are in sliding connection with the sliding ways 18, the balls 20 are matched with the arc-shaped sliding blocks 19, a fixing mechanism is arranged between the protective cover 10 and the tester main body 1, at the moment, the first magnetic stripe 14 and the second magnetic stripe 15 are separated under stress by pulling the rectangular block 11 on the protective cover 10, the arc-shaped sliding blocks 19 at two ends of the protective cover 10 slide in the sliding ways 18, the balls 20 in the sliding ways 18 facilitate the arc-shaped sliding blocks 19 to slide in the inner portions of the arc-shaped sliding blocks, at the moment, the protective cover 10 enters the sliding grooves 13 to open the cavity, the probe 7 is conveniently placed in the cavity to protect and fix the cavity, is convenient to carry and use.

Further, fixed establishment is including the fixed second magnetic stripe 15 that sets up in protective cover 10 one end, 1 top one side of tester main part is fixed and is equipped with first magnetic stripe 14, first magnetic stripe 14 with 15 magnetism of second magnetic stripe are opposite, can seal fixedly the protective cover 10 under the effect of the mutual attraction power between first magnetic stripe 14 and the 15 two of second magnetic stripe.

Furthermore, one side of the top end of the protective cover 10 is fixedly provided with a rectangular block 11, so that the protective cover 10 can be conveniently opened or closed through the rectangular block 11.

The working principle is as follows: when the utility model is used, the tester body 1 and the connecting port 5 on the probe 7 are connected through the testing wire 6, the probe 7 is put into the material to be measured, the resistivity of the material is measured by the tester body 1, the equipment is operated through the button 2 and the touch display screen 3 on the tester body, the test result is displayed on the touch display screen 3 in real time, the observation and the recording are convenient, the operation process and the test result are broadcasted through the voice broadcaster 4, the operation is simple and the use is convenient, after the use is finished, the testing wire 6 on the connecting port 5 is pulled down, the sliding cover 9 at the rear end of the tester body 1 is opened, the testing wire 6 is put into the accommodating cavity, the sliding cover 9 is closed, the testing wire 6 can be accommodated, on one hand, the accommodating can be carried out on the one hand, the loss is prevented, on the other hand, the traditional undetachable is solved, the problem that the magnetic strips are wound together is caused, at the moment, by pulling the rectangular block 11 on the protective cover 10, the first magnetic strip 14 and the second magnetic strip 15 are stressed to be separated, the arc-shaped sliding blocks 19 at the two ends of the protective cover 10 slide in the slide ways 18, the balls 20 in the slide ways 18 facilitate the arc-shaped sliding blocks 19 to slide in the slide ways, at the moment, the protective cover 10 enters the slide ways 13, the cavity is opened, at the moment, the probes 7 are inserted into the cavity, at the moment, the probes 7 are transversely moved leftwards, at the moment, the return springs 21 on the arc-shaped limiting plates 22 are stressed to be contracted, at the moment, the probes 7 are moved downwards, at the moment, the limiting rings 8 on the probes 7 enter the arc-shaped limiting plates 22, at the moment, the return springs 21 between the fixed blocks 17 and the arc-shaped limiting plates 22 are stressed to be contracted, the arc-shaped limiting plates 22 are extruded under the action of elastic potential energy when the return springs 21 are contracted, the anti-slip pads 23 on the arc-shaped limiting plates 22 are contacted with the limiting grooves on the limiting rings 8, the anti-slip pad 23 can increase the friction force between the anti-slip pad and the limiting ring 8, and further can fix the anti-slip pad well, at the moment, the bottom end of the probe 7 is in contact with the protection pad 16 at the bottom end of the cavity to protect and fix the anti-slip pad, at the moment, the arc-shaped sliding blocks 19 at the two ends of the protective cover 10 are driven to move on the slide rails 18 by pulling the rectangular blocks 11, at the moment, the first magnetic strip 14 and the second magnetic strip 15 attract each other to fix the protective cover 10, and the probe 7 is fixed to avoid being exposed to the external environment when not in use, so that the probe is inconvenient to carry on one hand, and cannot be protected on the other hand, damage is easily caused, the sensitivity of the probe 7 is influenced, the measurement result is influenced, the cavity is sealed by the protective cover 10, the probe 7 can be sealed and protected, and impurities such as external dust and the like are prevented from entering the cavity, and damage is caused to the probe 7 inside, affecting its sensitivity.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a micro polar distance high accuracy medium surface resistivity tester, includes tester main part (1) and probe (7), its characterized in that: the tester is characterized in that one side of the top end of the tester body (1) is provided with a groove (12), a connecting port (5) is fixedly arranged in the groove (12), one end of the probe (7) is fixedly provided with the connecting port (5), the two connecting ports (5) are electrically connected through a test wire (6), one end of the top end of the tester body (1) far away from the groove (12) is provided with a cavity, fixed blocks (17) are symmetrically arranged in the cavity, one end of each fixed block (17) far away from the cavity is provided with an arc-shaped groove, the arc-shaped grooves are equidistantly arranged on the arc-shaped grooves and provided with reset springs (21), one end of each reset spring (21) far away from the fixed block (17) is fixedly provided with an arc-shaped limiting plate (22), the arc-shaped limiting plate (22) is provided with an anti-skid pad (23), the probe (7) is fixedly provided with a limiting ring (8), and the limiting groove is arranged on the limiting ring (8), arc limiting plate (22) with the spacing groove phase-match, the cavity bottom mounting is equipped with protection pad (16), protection pad (16) with probe (7) bottom phase-match, there is visor (10) on the cavity top through slide mechanism sliding connection.

2. The instrument for measuring the surface resistivity of a micro-polar distance high-precision medium according to claim 1, wherein: the tester is characterized in that a touch display screen (3) is embedded in the front end of the tester body (1), and a key (2) is arranged on one side of the touch display screen (3).

3. The instrument for measuring the surface resistivity of the high-precision medium with the micro polar distance according to claim 2, wherein: the tester main part (1) is kept away from one side of the key (2) and is fixedly provided with a voice broadcast device (4).

4. The instrument for measuring the surface resistivity of the high-precision medium with the micro polar distance according to claim 3, wherein: the tester main part (1) rear end bottom side is opened and is equipped with and holds the chamber, it is equipped with sliding closure (9) to hold the chamber outside.

5. The instrument for measuring the surface resistivity of a micro-polar distance high-precision medium according to claim 1, wherein: slide mechanism is including fixed arc slider (19) that set up at protective cover (10) both ends, spout (13) have been seted up on tester main part (1) top, slide (18) have been seted up to the both ends symmetry of spout (13), the equidistance is equipped with ball (20) in slide (18), arc slider (19) with slide (18) sliding connection, ball (20) with arc slider (19) phase-match, protective cover (10) with be equipped with fixed establishment between tester main part (1).

6. The instrument for measuring the surface resistivity of the high-precision medium with the micro polar distance according to claim 5, wherein: fixed establishment is including fixed second magnetic stripe (15) that set up in protecting cover (10) one end, tester main part (1) top one side is fixed and is equipped with first magnetic stripe (14), first magnetic stripe (14) with second magnetic stripe (15) magnetism is opposite.

7. The instrument for measuring the surface resistivity of the high-precision medium with the micro polar distance according to claim 6, wherein: and a rectangular block (11) is fixedly arranged on one side of the top end of the protective cover (10).

Images