CN220252146U - Calibration equipment is used in universal meter test - Google Patents

Abstract

The utility model relates to the technical field of multimeter detection and discloses calibration equipment for multimeter detection, which comprises a shell, an operation assembly and a display assembly, wherein square grooves are formed in the surface of the shell, first sliding grooves are symmetrically formed in the square grooves, a dust cover is movably installed between the two first sliding grooves, a fixed block is arranged at the bottom of the dust cover, an arc-shaped groove is formed in the surface of the fixed block, a user can pinch the fixed block to pull down the dust cover, clamp the fixed block into the first clamping groove, a limiting block is pushed outwards under the action of a spring device, the limiting block is embedded into the arc-shaped groove, limiting is carried out on the fixed block, so that the dustproof effect on a detection jack and an operation key is achieved, meanwhile, if floating dust is found on a screen, the user can hold the sliding block to reciprocate up and down in the process of the sliding block, and the fiber brush is driven to reciprocate on the surface of the screen, so that the effect of cleaning floating dust on the surface of the screen is achieved.

Description

Calibration equipment is used in universal meter test

Technical Field

The utility model relates to the technical field of multimeter detection, in particular to calibration equipment for multimeter test.

Background

Multimeters, also called multiplex meters, multimeters, three-purpose meters, and numerous meters, are indispensable measuring instruments for power electronics and other departments, and generally have the main purpose of measuring voltage, current, and resistance. The multimeter is divided into a pointer multimeter and a digital multimeter according to a display mode. The multifunctional multi-range measuring instrument is characterized in that a general universal meter can measure direct current, direct current voltage, alternating current, alternating voltage, resistance, audio frequency level and the like, and can also measure alternating current, capacitance, inductance, some parameters (such as beta) of a semiconductor and the like, but in the using process of the universal meter, the problems that the detection value is inaccurate or open circuit is caused by dust entering a detection jack frequently, and a detection device display screen is inconvenient to clean if floating dust enters the detection device display screen and the like are solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides calibration equipment for testing a universal meter, which is capable of avoiding the problems of inaccurate detection value and circuit breaking caused by a large amount of floating ash entering a detection jack and a control key, and simultaneously solving the problem of inconvenient cleaning of floating ash on the surface of a display.

In order to achieve the purposes that the fire-fighting cabinet has various functions and simple and practical use, the utility model provides the following technical scheme: the utility model provides a calibration equipment is used in universal meter test, includes the casing, controls subassembly and display module, square recess has been seted up on the surface of casing, first spout has been seted up to square recess's interior symmetry, two first spout between movable mounting have the dust cover, the bottom of dust cover is provided with the fixed block, the arc wall has been seted up on the surface of fixed block, first draw-in groove has been seted up to square recess's bottom, the inside of first draw-in groove is fixed, the mounting groove has been seted up to square recess's bottom, the inside fixed mounting of mounting groove has spring assembly.

Preferably, link up between mounting groove and the first draw-in groove, spring assembly's one end fixed mounting is at the inside lateral wall of mounting groove, spring assembly deviates from the one end of mounting groove lateral wall and is provided with the stopper, the stopper agrees with first draw-in groove to realize that the stopper is fixed fast in first draw-in groove, make the dust cover play dirt-proof effect.

Preferably, the inside of casing is provided with the display screen, the top of display screen is provided with the fiber brush, the one end fixedly connected with slider of fiber brush, the top of fiber brush is covered with the plastic film, and the slider is pinched to the convenient user's hand, and quick convenient clearance screen represents the effect of lime float.

Preferably, the second spout has been seted up on the surface of casing, the second draw-in groove has been seted up to the bilateral symmetry of slider, the slider passes through second draw-in groove slidable mounting in the second spout, the both sides veneer of second spout has dust cloth, avoids because the second spout is in the long-term open state, the inside effect that gets into the dust in a large number of casing.

Preferably, the both sides symmetry of casing is provided with holds the groove, the surface veneer of holding the groove has anti-skidding cushion, the outside symmetry of casing is provided with the buffering cushion, the buffering cushion veneer is at the both ends of casing, when increasing the comfortable in-process of holding of user, increases the frictional force between user and the casing, avoids slipping the condition production that drops.

Preferably, operation keys are distributed in the square grooves, detection jacks are symmetrically formed below the operation keys, and a loudspeaker is arranged above the display assembly, so that a user can conveniently control and debug the device.

Compared with the prior art, the utility model provides calibration equipment for testing a universal meter, which has the following beneficial effects:

this use table test to use calibration equipment, carry out data parameter's debugging through the operation button, simultaneously observe the test data through the display screen, put the use and accomplish the back, the user can hold the fixed block and draw down the dust cover, with the fixed block card advance first draw-in groove in, it is ejecting outward with the stopper under spring assembly's effect, make stopper embedding arc inslot, it is spacing to the fixed block, thereby realized detecting jack and the dustproof effect of operation button, simultaneously in the use, if found the dust on the screen, the user can hold the slider reciprocal from top to bottom, the in-process of slider motion drives the fibre brush and cleans at the reciprocal of screen surface, thereby the effect of clean screen surface dust is reached, use simultaneously in the in-process of using can be through four limbs card me in holding the groove, through holding groove and the cooperation multiplicable user's finger and the check out equipment between frictional force, prevent to drop, increase simultaneously and hold and be comfortable sensation.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic illustration of a display assembly of the present utility model shown in phantom;

fig. 3 is a partial cross-sectional view of the housing of the present utility model.

In the figure: 1. a housing; 101. buffering rubber cushion; 102. a speaker; 103. a holding groove; 104. an anti-slip rubber pad; 2. a manipulation assembly; 201. a first clamping groove; 202. detecting the jack; 203. a first chute; 204. operating the key; 205. square grooves; 206. a fixed block; 207. a dust cover; 208. a mounting groove; 209. a spring device; 210. a limiting block; 211. an arc-shaped groove; 3. a display assembly; 301. a second chute; 302. a slide block; 303. a dust-proof cloth; 304. a plastic film; 305. a display screen; 306. a fiber brush; 307. and a second clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a calibration device for testing a multimeter includes a housing 1, a control assembly 2 and a display assembly 3, a square groove 205 is provided on the surface of the housing 1, a first sliding groove 203 is provided in the inner symmetry of the square groove 205, a dust cover 207 is movably installed between the two first sliding grooves 203, a fixing block 206 is provided at the bottom of the dust cover 207, an arc groove 211 is provided on the surface of the fixing block 206, a first clamping groove 201 is provided at the bottom of the square groove 205, a mounting groove 208 is provided at the bottom of the first clamping groove 201, a spring device 209 is fixedly installed in the mounting groove 208, a through is provided between the mounting groove 208 and the first clamping groove 201, one end of the spring device 209 is fixedly installed on the inner side wall of the mounting groove 208, one end of the spring device 209 deviating from the side wall of the mounting groove 208 is provided with a limiting block 210, and the limiting block 210 is engaged with the first clamping groove 201, thereby realizing rapid fixing of the limiting block 210 in the first clamping groove 201 and enabling the dust cover 207 to play a dustproof effect.

The inside of casing 1 is provided with display screen 305, the top of display screen 305 is provided with fiber brush 306, the one end fixedly connected with slider 302 of fiber brush 306, the top of fiber brush 306 covers plastic film 304, make things convenient for the user to hold between the hands slider 302, quick convenient clearance screen performance floating ash's effect, second spout 301 has been seted up on the surface of casing 1, second draw-in groove 307 has been seted up to the bilateral symmetry of slider 302, slider 302 passes through second draw-in groove 307 slidable mounting in second spout 301, the both sides veneer of second spout 301 has dust cloth 303, avoid because second spout 301 is in long-term open state, the inside effect that gets into the dust of a large amount of casing 1, the bilateral symmetry of casing 1 is provided with holding groove 103, the surface veneer of holding groove 103 has anti-skidding cushion 104, the outside symmetry of casing 1 is provided with buffering cushion 101 veneer at the both ends of casing 1, increase the comfortable in the user's in-process simultaneously, increase the frictional force between user and the casing 1, avoid the condition that the slip drops produces, the interior of square recess 205 has button 204 to operate the button 204, the jack 202 has been seted up to detect the jack that the symmetry is controlled by the user, the equipment is convenient for setting up the user to take advantage of the device.

Working principle: when a detector needs to detect the multimeter by using the detection device, positive and negative probes of the multimeter can be respectively inserted into corresponding detection jacks 202, data parameters are debugged by operating keys 204, detection data are observed through a display screen 305, after the detection device is used, a user can pinch a fixed block 206 to pull down a dust cover 207, the fixed block 206 is clamped into a first clamping groove 201, a limiting block 210 is outwards ejected under the action of a spring device 209, the limiting block 210 is embedded into an arc-shaped groove 211, the fixed block 206 is limited, and therefore the dustproof effect on the detection jacks 202 and the operation keys 204 is achieved, meanwhile, if floating dust is found on a screen in the use process, a user can pinch a sliding block 302 to reciprocate up and down, the sliding block 302 moves in the process to drive a fiber brush 306 to wipe the surface of the screen, so that the effect of cleaning the surface of the screen is achieved, meanwhile, the friction force between the user and detection device can be increased by matching the four limbs with the holding groove 103 and the anti-skid rubber pad 104 in the use process, and the comfort of finger holding is prevented from being increased.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a calibration equipment is used in universal meter test, includes casing (1), controls subassembly (2) and display element (3), its characterized in that: the novel anti-dust device is characterized in that the surface of the shell (1) is provided with square grooves (205), the inner symmetry of each square groove (205) is provided with first sliding grooves (203), two dustproof covers (207) are movably installed between the first sliding grooves (203), the bottoms of the dustproof covers (207) are provided with fixing blocks (206), the surfaces of the fixing blocks (206) are provided with arc grooves (211), the bottoms of the square grooves (205) are provided with first clamping grooves (201), the interiors of the first clamping grooves (201) are fixed, the bottoms of the square grooves (205) are provided with mounting grooves (208), and spring devices (209) are fixedly installed in the interiors of the mounting grooves (208).

2. The multimeter testing calibration device of claim 1, wherein: the mounting groove (208) is communicated with the first clamping groove (201), one end of the spring device (209) is fixedly mounted on the inner side wall of the mounting groove (208), one end, deviating from the side wall of the mounting groove (208), of the spring device (209) is provided with a limiting block (210), and the limiting block (210) is matched with the first clamping groove (201).

3. A multimeter testing calibration device according to claim 2, wherein: the novel portable electronic device is characterized in that a display screen (305) is arranged in the shell (1), a fiber brush (306) is arranged above the display screen (305), one end of the fiber brush (306) is fixedly connected with a sliding block (302), and a plastic film (304) is covered above the fiber brush (306).

4. A multimeter testing calibration device according to claim 3, wherein: the surface of casing (1) has seted up second spout (301), second draw-in groove (307) have been seted up to the bilateral symmetry of slider (302), slider (302) are through second draw-in groove (307) slidable mounting in second spout (301), the both sides of second spout (301) are glued there is dust cloth (303).

5. The multimeter testing calibration device of claim 4, wherein: the anti-slip rubber pad is characterized in that holding grooves (103) are symmetrically formed in two sides of the shell (1), anti-slip rubber pads (104) are glued on the surfaces of the holding grooves (103), buffer rubber pads (101) are symmetrically arranged on the outer sides of the shell (1), and the buffer rubber pads (101) are glued at two ends of the shell (1).

6. The multimeter testing calibration device of claim 1, wherein: the square groove (205) is internally distributed with operation keys (204), detection jacks (202) are symmetrically arranged below the operation keys (204), and a loudspeaker (102) is arranged above the display assembly (3).