CN114545054A

CN114545054A - Electronic voltmeter with accurate measurement

Info

Publication number: CN114545054A
Application number: CN202011356645.0A
Authority: CN
Inventors: 闻玉南
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2022-05-27

Abstract

The invention relates to the technical field of electronic voltmeter use, in particular to an electronic voltmeter with accurate measurement, which comprises a device main body, wherein the device main body comprises a placing plate, movable blocks are arranged at the bottom end of the placing plate, the number of the movable blocks is four, bases are arranged at the bottom ends of the movable blocks, a voltmeter is arranged at the top end of the placing plate, a winding mechanism is arranged at one side of the voltmeter at the top end of the placing plate, a sliding groove is formed in one side, far away from the winding mechanism, of the voltmeter, a sliding block is arranged in the sliding groove in a sliding mode, and a connecting rod is arranged at one side, far away from the voltmeter, of the sliding block. The invention is provided with the pushing spring and the pushing block, the pushing block which is popped out outwards under the action of the elastic force of the pushing spring can extrude the voltage wire wound on the winding rod, so that the voltage wire wound on the winding rod is tightened, and the loose voltage wire is prevented from being wound together.

Description

Electronic voltmeter with accurate measurement

Technical Field

The invention relates to the technical field of electronic voltmeter use, in particular to an electronic voltmeter with accurate measurement.

Background

An electronic voltmeter refers to an instrument for measuring voltage. The voltage range of measurement is large, and the frequency range is wide. The input impedance is large, and the working state of the circuit to be measured cannot be changed after the cross-connection, so that the real voltage can be measured. The reading has been gradually transited from pointer type to liquid crystal display. And has programmed control to automatically shift gears.

And the voltage line length overlength that connects on the in-process electronic watch that uses of current electron voltmeter to make most staff all can't effectual carry out reasonable utilization to the voltage line at the in-process that uses, thereby make the voltage line winding together, cause the resistance increase of voltage line winding department, thereby can influence the measurement of voltmeter, consequently need design an electron voltmeter that has accurate measurement and solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide an electronic voltmeter with accurate measurement, which solves the problem that the existing electronic voltmeter in the prior art has the disadvantages that the length of a voltage line connected to an electronic watch is too long in the using process, so that most of workers cannot reasonably utilize the voltage line effectively in the using process, the voltage line is wound together, the resistance of the wound part of the voltage line is increased, and the measurement of the electronic voltmeter is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electronic voltmeter with accurate measurement, includes the device main part, the device main part is including placing the board, place the bottom of board and install the movable block, and the quantity of movable block is four, the base is all installed to the bottom of movable block, place the top of board and install the voltmeter, place voltmeter one side on board top and install winding mechanism, the voltmeter is kept away from one side of winding mechanism and has been seted up the spout, the inside slidable mounting of spout has the slider, the connecting rod is installed to one side that the voltmeter was kept away from to the slider, the surface of connecting rod is cup jointed and is installed the pole of cup jointing, cup joint pole one side and install the cleaning plate, and the one end of cleaning plate and voltmeter surface laminate each other.

Preferably, the inside of the sleeve rod is provided with an extrusion spring, and two ends of the extrusion spring are respectively connected with the connecting rod and the inner wall of the sleeve rod.

Preferably, winding mechanism includes the mounting panel, the mounting panel is installed on the board top of placing of voltmeter one side, and the quantity of mounting panel is two, one the loose axle is installed to one side of mounting panel, the winding pole is installed to the other end of loose axle, the rotation axis is installed to one side that the mounting panel is close to the winding pole, the rotation axis is close to one side of winding pole and is installed and hold the ring, the holding tank has been seted up to the inside that holds the ring, and the quantity of holding tank is two.

Preferably, the mounting groove has all been seted up at the upper and lower both ends of winding pole, the inside of mounting groove is all evenly installed and is promoted the spring, the other end that promotes the spring all installs and promotes the piece.

Preferably, the inside of holding tank all installs spacing spring, spacing ring is all installed to spacing spring's the other end.

Preferably, hold the ring and all install fixed spring in the one side that is close to each other, fixed spring's the other end all installs the card ball, the fixed slot has all been seted up to one side that the winding pole is close to the card ball, and the card ball extends to the fixed slot.

Compared with the prior art, the invention has the beneficial effects that:

1. through being provided with the cleaning plate, the staff makes the cleaning plate of laminating each other with the voltmeter surface clean the surface of voltmeter through reciprocating the cleaning plate to this, and makes the surface of voltmeter keep clean with this, and makes things convenient for the observation of staff's numerical value on the voltmeter afterwards.

2. Through being provided with the promotion spring and promoting the piece, the elasticity effect that promotes the spring comes the outside promotion piece that pops out, will extrude the voltage line of twining on the pole to this lets the more tightness of voltage line of twining on the pole, prevents that lax voltage line can twine together with this.

Drawings

FIG. 1 is a schematic partial front sectional view of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the structure of the present invention;

FIG. 3 is a schematic side sectional view of a rotating shaft structure according to the present invention;

fig. 4 is a partially enlarged view of the structure a in fig. 2 according to the present invention.

In the figure: 100. a device main body; 110. placing the plate; 111. a movable block; 112. a base; 113. a voltmeter; 114. a chute; 115. a slider; 116. a connecting rod; 117. a sleeved rod; 118. a compression spring; 119. cleaning the plate; 200. a winding mechanism; 210. mounting a plate; 211. a movable shaft; 212. a winding rod; 213. mounting grooves; 214. a push spring; 215. a pushing block; 216. a rotating shaft; 217. a containment ring; 218. accommodating grooves; 219. a limiting spring; 220. a limiting ring; 221. fixing the spring; 222. blocking the ball; 223. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

an electronic voltmeter with accurate measurement comprises a device main body 100, the device main body 100 comprises a placing plate 110, a movable block 111 is installed at the bottom end of the placing plate 110, the number of the movable blocks 111 is four, a base 112 is installed at the bottom end of each movable block 111, a voltmeter 113 is installed at the top end of the placing plate 110, a winding mechanism 200 is installed at one side of the voltmeter 113 at the top end of the placing plate 110, a chute 114 is formed at one side, away from the winding mechanism 200, of the voltmeter 113, a slider 115 is installed in the chute 114 in a sliding manner, a connecting rod 116 is installed at one side, away from the voltmeter 113, of the slider 115, a sleeve rod 117 is installed on the outer surface of the connecting rod 116 in a sleeve manner, an extrusion spring 118 is installed in the sleeve rod 117, two ends of the extrusion spring 118 are respectively connected with the inner walls of the connecting rod 116 and the sleeve rod 117, a cleaning plate 119 is installed at one side of the sleeve rod 117, and one end of the cleaning plate 119 is mutually attached to the surface of the voltmeter 113, the worker moves the cleaning plate 119 up and down to enable the cleaning plate 119 attached to the surface of the voltmeter 113 to clean the surface of the voltmeter 113, so that the surface of the voltmeter 113 is kept clean, and the worker can conveniently observe the value on the voltmeter 113 later.

Further, winding mechanism 200 includes mounting panel 210, mounting panel 210 is installed on the board 110 top of placing of voltmeter 113 one side, and mounting panel 210's quantity is two, loose axle 211 is installed to one side of a mounting panel 210, winding pole 212 is installed to the other end of loose axle 211, mounting groove 213 has all been seted up at the upper and lower both ends of winding pole 212, the inside of mounting groove 213 all evenly installs promotion spring 214, the other end that promotes spring 214 all installs and promotes piece 215, the spring action that promotes spring 214 comes outside ejecting promotion piece 215, will extrude the voltage line of winding on winding pole 212, let the more tighten of voltage line of winding on winding pole 212 with this, with this prevent that lax voltage line can twine together.

Further, a rotating shaft 216 is installed on one side of the mounting plate 210 close to the winding rod 212, an accommodating ring 217 is installed on one side of the rotating shaft 216 close to the winding rod 212, an accommodating groove 218 is formed in the accommodating ring 217, the number of the receiving grooves 218 is two, the receiving grooves 218 are internally provided with a limiting spring 219, the other ends of the limiting springs 219 are provided with limiting rings 220, the sides of the receiving rings 217 close to each other are provided with fixing springs 221, the other ends of the fixing springs 221 are provided with clamping balls 222, one sides of the winding rods 212 close to the clamping balls 222 are provided with fixing grooves 223, and the clamping balls 222 extend to the fixing grooves 223, the retainer ring 220, which can be received in the receiving groove 218, will facilitate the worker to fix the originally unfolded winding rod 212 between the receiving rings 217, therefore, the worker can conveniently operate the winding rod 212 to store the voltage line, and the worker can conveniently use the device main body 100.

The working principle is as follows: when the worker uses the device main body 100, the worker places the placing plate 110 at a proper position, and the base 112 and the ground are attached to each other through the structure of the movable block 111, so that the placing of the placing plate 110 is more stable, then the worker connects the voltage lines wound on the winding rod 212 with the voltmeter 113 and the electric appliance respectively, so as to detect the voltage of the electric appliance, when the worker does not use the voltmeter 113, the worker can unfold the winding rod 212 to one side, then the worker winds the voltage lines onto the winding rod 212, so as to store the voltage lines with longer length, so as to reduce the whole volume of the device main body 100, so as to facilitate the worker to take and transport the device main body 100, after the instrument panel of the voltmeter 113 is stained with a large amount of dust, the worker can move the cleaning plate 119 up and down, thereby cleaning the voltmeter 113 with the cleaning plate 119 attached to the surface of the voltmeter 113.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 electronic voltmeter with accurate measurement, comprising a device body (100), characterized in that: the device main body (100) comprises a placing plate (110), a movable block (111) is arranged at the bottom end of the placing plate (110), the number of the movable blocks (111) is four, the bottom ends of the movable blocks (111) are all provided with a base (112), a voltmeter (113) is installed at the top end of the placing plate (110), a winding mechanism (200) is installed at one side of the voltmeter (113) at the top end of the placing plate (110), a chute (114) is arranged on one side of the voltmeter (113) far away from the winding mechanism (200), a sliding block (115) is slidably arranged in the sliding groove (114), a connecting rod (116) is arranged on one side of the sliding block (115) far away from the voltmeter (113), the outer surface of the connecting rod (116) is sleeved with a sleeve rod (117), one side of the sleeve rod (117) is provided with a cleaning plate (119), and one end of the cleaning plate (119) is attached to the surface of the voltmeter (113).

2. An electronic voltmeter with accurate measurement as claimed in claim 1, wherein: the inside of the sleeve rod (117) is provided with an extrusion spring (118), and two ends of the extrusion spring (118) are respectively connected with the inner walls of the connecting rod (116) and the sleeve rod (117).

3. An electronic voltmeter with accurate measurement as claimed in claim 1, wherein: winding mechanism (200) are including mounting panel (210), mounting panel (210) are installed on placing board (110) top of voltmeter (113) one side, and the quantity of mounting panel (210) is two, one loose axle (211) are installed to one side of mounting panel (210), winding pole (212) are installed to the other end of loose axle (211), rotation axis (216) are installed to one side that mounting panel (210) are close to winding pole (212), rotation axis (216) are installed near one side of winding pole (212) and are held ring (217), holding tank (218) have been seted up to the inside that holds ring (217), and the quantity of holding tank (218) is two.

4. An electronic voltmeter with accurate measurement as claimed in claim 3, wherein: mounting grooves (213) have been all seted up at the upper and lower both ends of winding pole (212), push spring (214) are all evenly installed to the inside of mounting groove (213), push block (215) are all installed to the other end that pushes away spring (214).

5. An electronic voltmeter with accurate measurement as claimed in claim 3, wherein: the inside of holding tank (218) all installs spacing spring (219), spacing ring (220) are all installed to the other end of spacing spring (219).

6. An electronic voltmeter with accurate measurement as claimed in claim 3, wherein: hold ring (217) one side that is close to each other and all install fixed spring (221), card ball (222) are all installed to the other end of fixed spring (221), winding pole (212) are close to one side of card ball (222) and all seted up fixed slot (223), and card ball (222) extend to fixed slot (223).