Digital display type voltage and current monitoring equipment

By designing a drum and reel structure, automatic cable winding is achieved, solving the problems of messy and damaged cables and improving the ease of use of the equipment.

CN224109541UActive Publication Date: 2026-04-10ZHENGZHOU YUXIANZHAI RESTAURANT MANAGEMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing digital voltage and current monitoring equipment suffers from cable tangling and damage during use due to the inability to retract cables.

Method used

The design incorporates a drum and a reel to enable cable winding and unwinding. The reel is driven to rotate via a turntable and handle, achieving automatic cable winding.

Benefits of technology

Avoid messy cable placement, reduce cable damage, and improve the ease of use of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of voltage and current monitoring, and particularly discloses a digital display type voltage and current monitoring device which comprises a box body, a monitor is installed in the box body, hole grooves are symmetrically formed in the top of the box body, and a first cable and a second cable are movably connected in the two hole grooves respectively. The top of the first cable is fixedly connected with a crocodile clamp, the top of the second cable is fixedly connected with an open type mutual inductor, a cabinet door is hinged to the front end face of the box body, a notch is formed in the cabinet door, a display screen is arranged in the notch, and the display screen is connected with a monitor; a rotating shaft is rotationally connected to the position, located on the upper side of the monitor, in the box body, and winding drums are fixedly connected to the positions, corresponding to the first cable and the second cable, of the exterior of the rotating shaft. By designing the winding drum to be matched with the winding shaft, winding and releasing of the first cable and the second cable can be achieved, the situation that the first cable and the second cable are placed disorderly when not used is avoided, and damage to the first cable and the second cable is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to voltage current monitoring technical field especially relates to a digital display type voltage current monitoring device. BACKGROUND

[0002] In recent years, with the development of science and technology, and the improvement of people's living standards, the electrical equipment used by family and enterprise users is more and more. When using many electrical equipment, the current voltage in each branch needs to be monitored to avoid the damage of electrical equipment caused by excessive current voltage. Therefore, the monitoring of current voltage in the circuit becomes the research topic of people,

[0003] And the digital display type voltage current monitoring device is through monitoring the current voltage of electrical equipment, and feeding back the monitoring data to the internal control chip of the device, and then the control chip converts the data into electronic data signal and feeds back on the display screen arranged on the surface of the device, so that the user can directly see the specific data.

[0004] In the prior art, the current voltage of electrical equipment needs to be monitored by connecting the corresponding monitoring head with the electrical equipment, and the monitoring head is generally connected with the monitoring device through a cable. In the use process, the device cannot store the cable, which causes the cable to be easily knotted or even damaged. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of digital display type voltage current monitoring devices, and the reel cooperation reel can be realized to the winding and release of cable one and cable two, avoid cable one and cable two when not in use messy placement, reduce the damage of cable one and cable two, to solve the problem proposed in above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a digital display type voltage current monitoring device, including box, monitoring instrument is installed in the inside of the box, the top of the box is symmetrically provided with hole slot, two The cable one and cable two are movably connected in the hole slot respectively, the top of the cable one is fixedly connected with crocodile clamp, the top of the cable two is fixedly connected with open type mutual inductor, the front end surface of the box is hinged with cabinet door, and slot is formed on the cabinet door, and display screen is arranged in the slot, and the display screen is connected with monitoring instrument;

[0007] The inside of the box is rotatably connected with the shaft at the upper side of monitoring instrument, and the outer portion of the shaft is fixedly connected with reel at the corresponding position of cable one and cable two respectively, and the bottom of the cable one and cable two is fixed with reel.

[0008] Preferably, the reel is provided with a ring-shaped sliding groove on one side, and an electrode sheet is embedded in the sliding groove.

[0009] Preferably, the electrode sheet is connected with the cable one and the cable two, and the inner sliding connection of the sliding groove is connected with a connecting terminal which is designed to be attached to the electrode sheet.

[0010] Preferably, the connecting terminal is connected with the monitor at the end away from the electrode sheet, and the connecting terminal is designed in an L-shaped structure.

[0011] Preferably, the outer side of the box body is rotationally connected with a rotating disc which is fixedly connected with one end of a rotating shaft.

[0012] Preferably, the outer eccentric rotation of the rotating disc is connected with a handle which is made of insulating material.

[0013] Compared with the prior art, the beneficial effects of the present application are as follows: the reel cooperates with the reel shaft to realize the winding and releasing of the cable one and the cable two, so that the cable one and the cable two can be placed neatly when not in use, and the damage of the cable one and the cable two is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure view of the present application;

[0015] Figure 2 It is a whole structure back view of the present application;

[0016] Figure 3 It is a whole structure front view of the present application;

[0017] Figure 4 It is a sectional view of the box body of the present application;

[0018] Figure 5 It is a whole structure of the present application Figure 4 It is an enlarged view of A in the middle.

[0019] LEGEND:

[0020] 1, box body; 2, cabinet door; 3, display screen; 4, cable one; 5, crocodile pliers; 6, cable two; 7, open mutual inductor; 8, rotating disc; 9, handle; 10, monitor; 11, rotating shaft; 12, hole groove; 13, electrode sheet; 14, reel; 15, sliding groove; 16, connecting terminal. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please see Figures 1-5 This utility model provides a technical solution:

[0023] A digital voltage and current monitoring device includes a housing 1, inside which a monitoring instrument 10 is installed. The top of the housing 1 has symmetrical slots 12, and a cable 4 and a cable 6 are movably connected in the two slots 12 respectively. The top of the cable 4 is fixedly connected to an alligator clamp 5, and the top of the cable 6 is fixedly connected to an open-type current transformer 7. The front end of the housing 1 is hinged to a cabinet door 2, and the cabinet door 2 has a slot. A display screen 3 is installed in the slot, and the display screen 3 is connected to the monitoring instrument 10.

[0024] The housing 1 is rotatably connected to a rotating shaft 11 located on the upper side of the monitor 10. The outer side of the rotating shaft 11 is fixedly connected to a reel 14 at the corresponding positions of cable 4 and cable 6. The bottom of cable 4 and cable 6 are fixed to the reel 14.

[0025] Specifically, a ring-shaped groove 15 is provided on one side of the drum 14, and an electrode plate 13 is embedded in the groove 15. The electrode plate 13 is connected to cable 4 and cable 6. A connecting terminal 16 is slidably connected inside the groove 15, and the connecting terminal 16 is designed to fit the electrode plate 13.

[0026] Specifically, the end of the connection terminal 16 away from the electrode plate 13 is connected to the monitor 10. The connection terminal 16 has an L-shaped structure design. A turntable 8 is rotatably connected to the outer side of the housing 1, and the turntable 8 is fixedly connected to one end of the rotating shaft 11. A handle 9 is eccentrically rotatably connected to the outside of the turntable 8. The handle 9 and the turntable 8 are made of insulating material.

[0027] Working principle:

[0028] The fitting surface of the rotating disc 8 and the box body 1 needs to be internally provided with a magnet, and the box body 1 is made of a magnetically-attractive metal material, so that the rotating shaft 11 is limited in the cable winding state by the winding drum 14, and accidental rotation of the rotating shaft 11 is prevented, so that the cable is not loosened, in work, the user can pull the cable one 4 and the cable two 6 to rotate and loosen them from the surface of the winding drum 14, then the user connects the alligator clamp 5 and the open-type mutual inductor 7 to the electrical equipment respectively to monitor the current and voltage respectively, the detection values are fed back to the control chip in the monitor 10 through the cable, the electrode sheet 13 and the connecting terminal 16, the control chip converts the data into an electric digital signal and feeds it back to the display screen 3, so that the user can observe, after subsequent use, the user disconnects the alligator clamp 5 and the open-type mutual inductor 7 from the electrical equipment, then the user rotates the rotating disc 8 by holding the handle 9, and drives the rotating shaft 11 to rotate, so as to drive the winding drum 14 to rotate, and wind the cable one 4 and the cable two 6, until the alligator clamp 5 and the open-type mutual inductor 7 are at the top of the box body 1, and then the driving of the rotating shaft 11 is stopped.

[0029] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A digital display voltage and current monitoring device comprising a housing (1), characterised in that, The inside of the box (1) is provided with a monitor (10), the top of the box (1) is symmetrically provided with a hole slot (12), two hole slots (12) are movably connected with cable one (4) and cable two (6) respectively, the top of the cable one (4) is fixedly connected with the crocodile clamp (5), the top of the cable two (6) is fixedly connected with the open type mutual inductor (7), the front end surface of the box (1) is hingedly connected with the cabinet door (2), and the cabinet door (2) is provided with a slot, and the slot is provided with a display screen (3), the display screen (3) is connected with the monitor (10); The inside of the box (1) is provided with a monitor (10), the top of the box (1) is symmetrically provided with a hole slot (12), two hole slots (12) are movably connected with cable one (4) and cable two (6) respectively, the top of the cable one (4) is fixedly connected with the crocodile clamp (5), the top of the cable two (6) is fixedly connected with the open type mutual inductor (7), the front end surface of the box (1) is hingedly connected with the cabinet door (2), and the cabinet door (2) is provided with a slot, and the slot is provided with a display screen (3), the display screen (3) is connected with the monitor (10); 2. The digital display type voltage and current monitoring device according to claim 1, characterized by, The one side of the reel (14) is provided with a ring structure sliding groove (15), and the sliding groove (15) is embeddedly connected with the electrode sheet (13).

3. A digital display type voltage and current monitoring device according to claim 2, wherein, The electrode sheet (13) is connected with the cable one (4) and the cable two (6), and the inside of the sliding groove (15) is slidably connected with the connecting terminal (16), and the connecting terminal (16) is designed to be attached to the electrode sheet (13).

4. A digital display type voltage and current monitoring device according to claim 3, wherein, The end of the connecting terminal (16) away from the electrode sheet (13) is connected with the monitor (10), and the connecting terminal (16) is designed as an L-shaped structure.

5. A digital display type voltage and current monitoring device according to claim 4, wherein, The outside of the box (1) is rotatably connected with a rotating disc (8), and the rotating disc (8) is fixedly connected with one end of the rotating shaft (11).

6. A digital display type voltage and current monitoring device according to claim 5, wherein, The outside of the rotating disc (8) is eccentrically rotatably connected with a handle (9), and the handle (9) and the rotating disc (8) are made of insulating material.