Non-contact wireless current and voltage measuring system

Abstract

The utility model relates to a non-contact wireless current and voltage measuring system, which comprises a measuring device and a connecting device electrically connected with the measuring device, and the measuring device is provided with a current sensing body and a voltage sensing body. According to the scheme, the current and the voltage of the insulated conductor can be safely measured by the current sensing body and the voltage sensing body under the condition that the insulating layer of the insulated conductor does not need to be stripped.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of measuring large-scale insulated conductor current and voltage, and particularly relates to a non-contact wireless current and voltage measuring system. BACKGROUND

[0002] According to the prior art, a voltmeter or a multimeter for measuring AC voltage and / or current of an insulated conductor usually needs to cut off a part of the insulator of the insulated conductor, or disconnect the circuit, or make the measuring electrode contact the conductor, so that the probe contacts the stripped wire or terminal. In addition, for measuring the current of a large-scale insulated conductor, a Rogowski coil meter is usually used, which generally comprises a fastener fixed at one end of the fastener and bent into a ring shape at the other end, and a structure for fastening or dismounting, and the fastener is connected to a transmission line, and the other end of the transmission line is connected to an electronic meter with a screen display. In use, the fastener is wound around the large-scale insulated conductor to be measured, and the current principle is used for measurement, and then the data is transmitted to the electronic meter through the transmission line, and displayed on the screen for the worker to check.

[0003] However, this measurement method does not meet the practicality under today's technology, because the existing Rogowski coil meter can only measure current and cannot measure voltage, so the worker needs to carry two or more different devices, causing inconvenience in carrying.

[0004] Therefore, there is an urgent need to design a non-contact wireless current and voltage measuring system to solve the above problems. SUMMARY

[0005] The utility model aims at providing a non-contact wireless current and voltage measuring system, which has the advantage of not needing physical contact or electrical contact with the insulated conductor, and solves the problem of unsafe measurement of the current and voltage of the insulated conductor.

[0006] To achieve the above-mentioned purpose, the non-contact wireless current and voltage measuring system of the utility model has the following specific technical solutions:

[0007] The non-contact wireless current and voltage measuring system comprises a measuring device having a current sensing body and a voltage sensing body, the voltage sensing body being a patch body; a connecting device having a first electrical hole, a second electrical hole and a third electrical hole opposite the first electrical hole and the second electrical hole; wherein the voltage sensing body is electrically connected to a sensing transmission line, the sensing transmission line is electrically connected to the second electrical hole, one end of the current sensing body is electrically connected to the first electrical hole, the other end is movably inserted into the second electrical hole and electrically connected, and the current sensing body and the voltage sensing body are independent and not electrically connected, the current sensing body has a current sensing part in a ring shape; a wire having one end electrically connected to the third electrical hole and the other end electrically connected to a signal processing device.

[0008] Further comprising a wire, one end of which is movably electrically connected to the third electrical hole, and the other end of which is electrically connected to a signal processing device.

[0009] The current sensing body is in a linear shape and surrounds the current sensing portion.

[0010] The first electrical hole and the second electrical hole of the connecting device are located at the same end of the connecting device.

[0011] The voltage sensing body is in a structure of a patch.

[0012] The signal processing device is wirelessly connected to a multimedia device.

[0013] The measuring device is used to measure the insulated conductor, and transmits the measured value to the signal processing device. After the signal processing device processes the measured value, the signal processing device transmits the processed value to the multimedia device in a wireless manner. The multimedia device displays voltage data and current data. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the first embodiment of the utility model;

[0015] Figure 2 It is a schematic diagram of the measuring insulated conductor using the first embodiment of the utility model;

[0016] Figure 3 It is a perspective view of the second embodiment of the utility model;

[0017] Figure 4 It is a schematic diagram of the measuring insulated conductor using the second embodiment of the utility model;

[0018] Figure 5 It is a circuit block diagram of the utility model;

[0019] MARK DESCRIPTION IN THE DRAWING:

[0020] Measuring device 1;

[0021] Current sensing body 10;

[0022] Current sensing portion 101;

[0023] Voltage sensing body 11;

[0024] Connecting device 2;

[0025] First electrical hole 20;

[0026] Second electrical hole 21;

[0027] Third electrical hole 22;

[0028] wire 3;

[0029] signal processing device 4;

[0030] multimedia device 5;

[0031] insulated conductor 6;

[0032] insulation layer 60; DETAILED DESCRIPTION

[0033] To make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will be combined with the drawings of the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0034] Those skilled in the art can understand that, although some of the embodiments herein include some features included in other embodiments but not other features, the combination of features of different embodiments means to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0035] The following will be described with reference to the drawings Figure 1 to the drawings Figure 5 The non-contact wireless current and voltage measurement system of the present application is described.

[0036] In the present application, Figure 1 , Figure 2 and Figure 5 The non-contact wireless current and voltage measurement system of the first embodiment of the present application comprises:

[0037] The measurement device 1 has a current sensing body 10 and a voltage sensing body 11, the current sensing body 10 has a current sensing part 101 in a surrounding shape, and the current sensing body 10 and the voltage sensing body 11 are electrically connected and formed as a whole. In the present embodiment, the current sensing body 10 has a current sensing part 101 in a surrounding shape, and the voltage sensing body 11 is a structure of a laminated sheet.

[0038] The connection device 2 is generally Y-shaped and has a first electrical hole 20, a second electrical hole 21, and a third electrical hole 22. The first electrical hole 20 and the second electrical hole 21 are located at the same end of the connection device 2, and the first electrical hole 20 and the second electrical hole 21 are respectively electrically connected to both ends of the current sensing part 101 of the current sensing body 10.

[0039] The wire 3 is electrically connected to the third electrical hole 22 at one end and electrically connected to the signal processing device 4 at the other end, and the signal processing device 4 is wirelessly connected to the multimedia device 5. In the embodiment, the multimedia device 5 can be an electronic watch, a smart phone, a tablet, or a laptop.

[0040] In use, the user holds the connecting device 2, and the current sensing body 10 is sleeved on the large-size insulated conductor 6, so that the current sensing part 101 is tightly wrapped around the outer wall of the insulated conductor 6, and the voltage sensing body 11 is attached to the outer wall of the insulated conductor 6. The current value and the voltage value of the insulated conductor 6 are measured by the current sensing body 10 and the voltage sensing body 11. Further, the current sensing body 10 and the voltage sensing body 11 of the utility model utilize the principle that the current flowing in the insulated conductor 6 generates a magnetic field, and the current value is measured by the magnetic field, and then the change of the electric field is inducted and converted into a voltage value according to the electric field coupling method. Accordingly, the measurement method of the first embodiment of the utility model can safely measure the current and voltage of the insulated conductor 6 without peeling the insulating layer 60 of the insulated conductor 6.

[0041] In addition, it is worth mentioning that the measuring device 1 can transmit the measured current value and voltage value to the signal processing device 4 through the wire 3, and the signal processing device 4 transmits the current value and voltage value to the multimedia device 5 in a wireless transmission manner, so that the user can grasp the measurement situation at any time through the multimedia device 5.

[0042] Please refer to Figures 3 to 5 The utility model discloses a non-contact wireless current voltage measurement system, which comprises:

[0043] The measuring device 1 has a current sensing body 10 and a voltage sensing body 11. The current sensing body 10 has a current sensing part 101 in a ring shape. The voltage sensing body 11 has a sensing transmission line 111 electrically connected. When there is voltage in the cable or conductor, an electric field will be generated around it. The voltage sensing body 11 has one or more electrodes. When the voltage sensing body 11 is close to the electric conductor, the change of the electric field will be inducted and converted into a voltage signal. The principle of detecting voltage is the electric field coupling method based on the physical properties of the electric field. In the embodiment, the voltage sensing body 11 is a structure of a sticker, and the voltage sensing body 11 and the current sensing body 10 are independent and not electrically connected.

[0044] The connecting device 2 has a first electrical hole 20, a second electrical hole 21 and a third electrical hole 22, and the first electrical hole 20 and the second electrical hole 21 are located at the same end of the connecting device 2, wherein the sensing transmission line 111 of the voltage sensing body 11 is electrically connected to the second electrical hole 21, and one end of the current sensing part 101 of the current sensing body 10 is electrically connected to the first electrical hole 20, and the other end is movably inserted into the second electrical hole 21 and electrically connected.

[0045] The wire 3 has one end electrically connected to the third electrical hole 22 and the other end electrically connected to the signal processing device 4, and the signal processing device 4 is wirelessly connected to the multimedia device 5. In the embodiment, the multimedia device 5 can be an electronic hook table, a smart phone, a tablet computer or a laptop computer.

[0046] In use, the user holds the connecting device 2, sets the current sensing part 101 of the current sensing body 10 on the large-sized insulated conductor 6, inserts one end of the current sensing part 101 into the second electrical hole 21 and electrically connects it, tightly covers the current sensing part 101 on the peripheral wall of the insulated conductor 6, measures the current value of the insulated conductor 6 by the current sensing body 10, and sets the voltage sensing body 11 on the peripheral wall of the insulated conductor 6 and keeps a distance from the current sensing body 10, so as to avoid the voltage sensing body 11 and the current sensing body 10 being electrically connected, and simultaneously measures the current value and the voltage value of the insulated conductor 6 by the current sensing body 10 and the voltage sensing body 11. The embodiment is the same as the first embodiment, and the current sensing body 10 and the voltage sensing body 11 use the principle that the current flowing in the insulated conductor 6 generates a magnetic field, measure the current value through the magnetic field, and then convert the change of the electric field into a voltage value according to the electric field coupling method. Therefore, the measurement method of the embodiment can safely measure the current and voltage of the insulated conductor 6 without peeling off the insulating layer 60 of the insulated conductor 6. In addition, in the embodiment, the measured current value and voltage value can be transmitted to the signal processing device 4 through the wire 3 by the measuring device 1, and the signal processing device 4 transmits the current value and voltage value to the multimedia device 5 in a wireless transmission manner, so that the user can grasp the measurement situation of the insulated conductor 6 at any time through the multimedia device 5.

[0047] In summary, the non-contact wireless current and voltage measurement system of the utility model transmits the signal between the signal processing device 4 and the multimedia device 5 in a wireless connection mode, so that professionals do not need to stay in the large equipment machine for a long time during the circuit inspection process, avoid pulling the line and colliding with electronic components, and will not be affected by the space limitation to affect the judgment of data viewing. In addition, the current sensing body 10 and the voltage sensing body 11 of the measuring device 1 can measure the current and voltage at the same time, which improves the defect that the known Rogowski current hook table can only measure the current, so that professionals need to carry additional voltage measurement devices.

[0048] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A non-contact wireless current and voltage measurement system, characterized in that: include: The measuring device comprises a current sensing body and a voltage sensing body, wherein the voltage sensing body is a laminated body; A connecting device having a first electrical hole, a second electrical hole, and a third electrical hole opposite to the first electrical hole and the second electrical hole; The current sensing body and the voltage sensing body are electrically connected to form a whole, and two ends of the current sensing body are electrically connected to the first electrical hole and the second electrical hole, so that the current value and the voltage value of the insulated conductor can be measured by the current sensing body and the voltage sensing body; One end of the wire is electrically connected to the third electrical hole, and the other end is electrically connected to the signal processing device.

2. The non-contact wireless current and voltage measurement system according to claim 1, wherein: The current sensing body has a surrounding current sensing portion.

3. The non-contact wireless current and voltage measurement system according to claim 1, wherein: The connecting device is Y-shaped, and the first electrical hole and the second electrical hole are located at the same end of the connecting device.

4. The non-contact wireless current and voltage measurement system according to claim 1, wherein: The signal processing device is a wirelessly connected multimedia device.

5. The non-contact wireless current and voltage measurement system according to claim 4, wherein: The measuring device transmits the current value and voltage value obtained after measuring the insulated conductor to the signal processing device. After the signal processing device processes the current value and the voltage value, the signal processing device transmits the data to the multimedia device in a wireless manner. The multimedia device displays the data of the current value and the voltage value.

6. A non-contact wireless current and voltage measurement system, characterized in that: include: The measuring device comprises a current sensing body and a voltage sensing body, wherein the voltage sensing body is a laminated body; A connecting device having a first electrical hole, a second electrical hole, and a third electrical hole opposite to the first electrical hole and the second electrical hole; The voltage sensing body is electrically connected to a sensing transmission line, which is electrically connected to the second electrical hole. One end of the current sensing body is electrically connected to the first electrical hole, and the other end is movably plugged into and electrically connected to the second electrical hole. The current sensing body and the voltage sensing body are independent and electrically disconnected, and the current sensing body has a surrounding current sensing portion. One end of the wire is electrically connected to the third electrical hole, and the other end is electrically connected to the signal processing device.

7. The non-contact wireless current and voltage measurement system according to claim 6, wherein: The current sensing body has a surrounding current sensing portion.

8. The non-contact wireless current and voltage measurement system according to claim 6, wherein: The connecting device is Y-shaped, and the first electrical hole and the second electrical hole are located at the same end of the connecting device.

9. The non-contact wireless current and voltage measurement system according to claim 6, wherein: The signal processing device is wirelessly connected to the multimedia device.

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