CN210155234U

CN210155234U - Static testing device

Info

Publication number: CN210155234U
Application number: CN201920937761.8U
Authority: CN
Inventors: 尹成彪
Original assignee: Shenzhen Xunke Standard Technical Service Co Ltd
Current assignee: Shenzhen Xunke Standard Technical Service Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-03-17
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses an electrostatic testing device relates to electrostatic testing technical field, comprises a workbench, the upper end of workstation is provided with test box and tester main part, fastening bolt is installed to one side of support, the one end of test box is provided with the humidifier, fixed column, heating resistor silk and base are installed by back to preceding in proper order to the inside of test box, the internally mounted of base has the lead screw, test probe is installed to the upper end of sliding seat. The utility model discloses a support that sets up can prop up the tester main part, has improved the radiating effect, the carrying of the tester main part of being convenient for simultaneously, can protect material and test probe being surveyed through the test box that sets up, heating resistor silk and the inside humiture of humidifier that can change the test box through the setting to reach the limit value of material being surveyed, can carry out electrostatic detection to the material being surveyed under different humiture shape simultaneously, improve measuring accuracy.

Description

Static testing device

Technical Field

The utility model relates to an electrostatic test technical field specifically is an electrostatic test device.

Background

Static electricity is static charge or non-flowing charge, when the charge is gathered on a certain object or surface, static electricity is formed, the charge is divided into positive charge and negative charge, namely, the static phenomenon is divided into two types, namely positive static electricity and negative static electricity, the static electricity tester is composed of a corona discharge device, a probe and a detection system, a given high-voltage electric field is utilized to discharge electricity to a sample to be tested at regular time, so that the static electricity is induced to the sample, and the detection of the electrostatic electricity quantity, the electrostatic voltage half-life period and the static electricity residual quantity is carried out, so as to determine the static electricity performance of the sample to be tested.

The bottom is direct and mesa contact usually in current electrostatic tester in the use, leads to the bottom air not to circulate, influences the radiating effect, and inconvenient carrying, carries out electrostatic test process under rugged environment, and the humiture of environment influences the resistance value of being surveyed the material easily to lead to measuring inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the bottom of the existing electrostatic tester is usually directly contacted with the table top in the using process, so that air at the bottom is not circulated, the heat dissipation effect is influenced, the electrostatic tester is inconvenient to carry, the electrostatic testing process is carried out in a severe environment, and the temperature and the humidity of the environment easily influence the resistance value of a tested material, so that the measurement is inaccurate, the electrostatic tester is provided.

In order to achieve the above object, the utility model provides a following technical scheme: an electrostatic testing device comprises a workbench, the upper end of the workbench is provided with a testing box and a tester main body, and both sides of the tester main body are provided with brackets, one side of each bracket is provided with a fastening bolt, the top end of the test box is provided with an adjusting bolt, and one end of the test box is provided with a humidifier, the interior of the test box is sequentially provided with a fixed column, a heating resistance wire and a base from back to front, clamping blocks are arranged at the upper end of the fixed column and the bottom end of the adjusting bolt, a screw rod is arranged in the base, a sliding seat is arranged at the upper end of the base, a detection probe is arranged at the upper end of the sliding seat, a rotating handle is arranged at one end of the screw rod extending to the outer side of the test box, temperature sensor and humidity transducer are installed to inside one side of test box, and the display screen module is installed to the one end that the humidifier was kept away from to the test box.

Preferably, the both sides of tester main part all are provided with the louvre, the support is "n" shape structure.

Preferably, one side of the test box, which is far away from the tester main body, is provided with a box door, and the test box is made of a transparent acrylic plate.

Preferably, the adjusting bolt is connected with the test box through threads, and the adjusting bolt is located right above the fixing column.

Preferably, the humidifier is communicated with the test box through a moisture inlet, the sliding seat is movably connected with the screw rod through a ball nut, and the screw rod is movably connected with the base through a bearing.

Preferably, the test probe is electrically connected with the tester main body, a wire hole is formed in the surface of the test box, and the temperature sensor and the humidity sensor are both electrically connected with the display screen module.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can support the main body of the tester through the arranged bracket, so that a gap is left between the bottom of the tester and the workbench, the ventilation effect is improved, and the heat dissipation effect is further improved, meanwhile, the main body of the tester is convenient to carry, the tested material and the detection probe can be protected by the arranged test box, the temperature and the humidity in the test box can be changed by the arranged heating resistance wire and the humidifier, thereby reaching the limit value of the material to be detected, and simultaneously carrying out electrostatic detection on the material to be detected under different temperature and humidity conditions, the temperature sensor and the humidity sensor are used for detecting the temperature and the humidity in the test box, the measurement accuracy is improved, the screw rod is rotated by rotating the rotating handle, thereby drive the test probe and be close to by the material of being surveyed and detect, avoid taking place spark discharge between by the electrified body of survey and the probe shell, alleviate the intensity of labour of artifical hand simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the testing box of the present invention;

fig. 3 is a side view of the internal structure of the testing box of the present invention.

In the figure: 1. a work table; 2. a test box; 3. a tester main body; 4. a support; 5. fastening a bolt; 6. adjusting the bolt; 7. rotating the handle; 8. a clamping block; 9. fixing a column; 10. a base; 11. a sliding seat; 12. a screw rod; 13. detecting a probe; 14. a humidifier; 15. a moisture inlet; 16. a humidity sensor; 17. a temperature sensor; 18. heating resistance wires; 19. and a display screen module.

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.

The utility model discloses in mentioned humidifier (the model is KS-600), humidity transducer (the model is AM2301), temperature sensor (the model is CWDZ11), heating resistor silk (the model is XBL2), display screen module (the model is 6079LCD) all can be in market or private order the institute.

Referring to fig. 1-3, an electrostatic testing device comprises a workbench 1, a testing box 2 and a testing instrument main body 3 are arranged at the upper end of the workbench 1, brackets 4 are respectively arranged at two sides of the testing instrument main body 3, a fastening bolt 5 is arranged at one side of the bracket 4, an adjusting bolt 6 is arranged at the top end of the testing box 2, a humidifier 14 is arranged at one end of the testing box 2, a fixing column 9, a heating resistance wire 18 and a base 10 are sequentially arranged in the testing box 2 from back to front, clamping blocks 8 are respectively arranged at the upper end of the fixing column 9 and the bottom end of the adjusting bolt 6, a screw rod 12 is arranged in the base 10, a sliding seat 11 is arranged at the upper end of the base 10, a detection probe 13 is arranged at the upper end of the sliding seat 11, a rotating handle 7 is arranged at one end of the screw rod 12 extending to the outer side of the testing box 2, a temperature sensor 17 and, and the end of the test chamber 2 remote from the humidifier 14 is fitted with a display screen module 19.

The static test device can support a tester main body 3 through a support 4 arranged, a gap is left between the bottom of the tester main body 3 and a workbench 1, the ventilation effect is improved, the heat dissipation effect is further improved, the carrying of the tester main body 3 is simultaneously facilitated, a tested material and a detection probe 13 can be protected through a set test box 2, the temperature and the humidity in the test box 2 can be changed through a set heating resistance wire 18 and a set humidifier 14, so that the limit value of the tested material is reached, meanwhile, the static detection can be carried out on the tested material under different temperature and humidity conditions, the temperature sensor 17 and the humidity sensor 16 are arranged for detecting the temperature and the humidity in the test box 2, the measurement accuracy is improved, the screw rod 12 is rotated through rotating the rotating handle 7, so that the detection probe 13 is driven to be close to the tested material for detection, and the spark discharge between a tested charged body and a probe shell is avoided, meanwhile, the labor intensity of manual holding is reduced.

Please refer to fig. 1, the two sides of the tester main body 3 are both provided with heat dissipation holes, the bracket 4 is in an "n" shape, one side of the test box 2 away from the tester main body 3 is provided with a box door, and the test box 2 is made of a transparent acrylic plate.

This kind of static testing arrangement is convenient for take and put the testee through the chamber door that sets up, is convenient for observe the inside detection condition of test box 2 through the transparent inferior gram force board that sets up, has improved the radiating effect through the louvre that sets up.

Please refer to fig. 3, the adjusting bolt 6 is connected to the testing box 2 by a screw thread, and the adjusting bolt 6 is located right above the fixing column 9.

This kind of static testing arrangement is through putting the testee on the tight piece 8 of clamp on fixed column 9 top, then rotates adjusting bolt 6 for the tight piece 8 downstream of clamp of adjusting bolt 6 bottom, two tight piece 8 cooperations of clamp are pressed from both sides the object tightly, are convenient for detect.

Referring to fig. 3, the humidifier 14 is connected to the test chamber 2 through the moisture inlet 15, the sliding base 11 is movably connected to the screw rod 12 through a ball nut, and the screw rod 12 is movably connected to the base 10 through a bearing.

According to the static testing device, the screw rod 12 is rotated by rotating the rotating handle 7, the sliding seat 11 moves back and forth on the screw rod 12 through the ball nut, so that the detection probe 13 is driven to slowly approach a tested object, spark discharge between the tested charged object and a probe shell is avoided, and the labor intensity of manual holding is reduced.

Please refer to fig. 1 and fig. 2, the detecting probe 13 is electrically connected to the tester main body 3, the surface of the testing box 2 is provided with a wire hole, and the temperature sensor 17 and the humidity sensor 16 are both electrically connected to the display module 19.

This kind of static testing arrangement detects the inside humiture of test box 2 through temperature sensor 17 and the humidity transducer 16 that set up to transmit the signal for display screen module 19, convert the electrical signal into digital signal through the inside AD converter of display screen module 19, show on the display screen after the singlechip is handled.

The working principle is as follows: opening a box door, placing a tested object on a clamping block 8 at the top end of a fixed column 9, then rotating an adjusting bolt 6 to enable the clamping block 8 at the bottom end of the adjusting bolt 6 to move downwards, enabling the two clamping blocks 8 to be matched to clamp the object for detection, closing the box door, switching on a power supply, opening a tester main body 3, rotating a rotating handle 7 to enable a screw rod 12 to rotate, enabling a sliding seat 11 to move back and forth on the screw rod 12 through a ball nut so as to drive a detection probe 13 to slowly approach the tested object for detection, avoiding spark discharge between the tested charged object and a probe shell, simultaneously lightening the labor intensity of manual holding, enabling the tester main body 3 to induce static electricity by utilizing a given high-voltage electric field through timed discharge of a corona discharge device to the tested sample, thereby detecting the static electricity quantity, the static voltage half-life and the static electricity quantity to determine the static electricity performance of the tested sample, the temperature and humidity inside the test box 2 can be changed through the heating resistance wire 18 and the humidifier 14, so that the limit value of a tested material is reached, meanwhile, the static electricity detection can be carried out on the tested material under different temperature and humidity conditions, the temperature sensor 17 and the humidity sensor 16 are used for detecting the temperature and humidity inside the test box 2, signals are transmitted to the display screen module 19, an A/D converter inside the display screen module 19 converts electric signals into digital signals, the digital signals are displayed on a display screen after being processed by the single chip microcomputer, and the measuring accuracy is improved.

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

1. An electrostatic testing device, comprising a worktable (1), characterized in that: the testing device comprises a workbench (1), a testing box (2) and a testing instrument main body (3) are arranged at the upper end of the workbench (1), brackets (4) are mounted on two sides of the testing instrument main body (3), fastening bolts (5) are mounted on one side of each bracket (4), an adjusting bolt (6) is mounted at the top end of each testing box (2), a humidifier (14) is arranged at one end of each testing box (2), a fixing column (9), a heating resistance wire (18) and a base (10) are sequentially mounted in the testing box (2) from back to front, clamping blocks (8) are mounted at the upper end of each fixing column (9) and the bottom end of each adjusting bolt (6), a lead screw (12) is mounted in each base (10), a sliding seat (11) is arranged at the upper end of each base (10), a detection probe (13) is mounted at the upper end of each sliding seat (11), a rotating handle (7) is mounted at one end of each lead screw (12), temperature sensor (17) and humidity transducer (16) are installed to inside one side of test box (2), and display screen module (19) are installed to the one end that humidifier (14) were kept away from in test box (2).

2. An electrostatic testing apparatus according to claim 1, wherein: the tester is characterized in that heat dissipation holes are formed in two sides of the tester body (3), and the support (4) is of an n-shaped structure.

3. An electrostatic testing apparatus according to claim 1, wherein: one side of the test box (2) far away from the tester main body (3) is provided with a box door, and the test box (2) is made of a transparent acrylic plate.

4. An electrostatic testing apparatus according to claim 1, wherein: adjusting bolt (6) and test box (2) pass through threaded connection, and adjusting bolt (6) are located fixed column (9) directly over.

5. An electrostatic testing apparatus according to claim 1, wherein: the humidifier (14) is communicated with the test box (2) through a moisture inlet (15), the sliding seat (11) is movably connected with the screw rod (12) through a ball nut, and the screw rod (12) is movably connected with the base (10) through a bearing.

6. An electrostatic testing apparatus according to claim 1, wherein: the testing device is characterized in that the testing probe (13) is electrically connected with the tester body (3), a wire hole is formed in the surface of the testing box (2), and the temperature sensor (17) and the humidity sensor (16) are electrically connected with the display screen module (19).