Iron core multi-turn coil measuring device and system

Abstract

The utility model relates to an iron core multi-turn coil measuring device and system. The iron core multi-turn coil measuring device comprises a first plug unit, a second plug unit, a loop unit and a leading-out unit. Wherein the first end of the second plug unit is detachably connected with the second end of the first plug unit; the loop unit is electrically connected with the first plug unit and the second plug unit. The leading-out unit is detachably connected with the first plug unit and the second plug unit. The multi-turn coil structure has the advantages that the loop unit is alternately connected with the first socket unit and the second socket unit, a multi-turn coil can be quickly formed on one side of the iron core by closing the first socket unit and the second socket unit, and the proper number of turns can be selected by changing the access position of the leading-out unit; the problems of complex detection operation, poor stability, difficult maintenance and the like of the transformer iron core are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mutual inductor detection, in particular to an iron core multi-turn coil measuring device and system. Background Art

[0002] As a key component of a transformer, the iron core's magnetization characteristics significantly influence its performance. The iron core and the coil wound around it form a complete electromagnetic induction system. The accuracy of its transmission and conversion of voltage signals directly impacts instrument measurement results and the accuracy of protective device operation. Measuring the voltage and current of the iron core is an important means of ensuring transformer quality.

[0003] Accurately measuring the magnetization characteristics of an iron core typically requires winding a coil with a certain number of turns around the core surface, and then measuring the excitation current based on the desired number of turns. However, traditional measurement methods often suffer from complex operation, poor stability, and difficulty in maintenance, which impacts both efficiency and measurement accuracy.

[0004] Currently, no effective solution has been proposed for the problems of complex transformer core detection operation, poor stability, and difficult maintenance in related technologies. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-turn coil measuring device and system for an iron core in view of the deficiencies in the prior art, so as to solve the problems of complex operation, poor stability and difficult maintenance of transformer iron core detection in the related art.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] In a first aspect, a device for measuring an iron core multi-turn coil is provided, comprising:

[0008] a first plug unit comprising a plurality of first connecting elements;

[0009] a second plug unit, the second plug unit being detachably connected to the first plug unit, the second plug unit comprising a plurality of second connecting elements;

[0010] a plurality of loop units, each of which is alternately electrically connected to the plurality of first connecting elements of the first plug unit and the plurality of second connecting elements of the second plug unit, respectively, to form a multi-turn loop;

[0011] The lead-out unit is detachably connected to the first plug unit and is used to connect the iron core multi-turn coil measuring device with the first measuring device and the power supply device to form a closed measurement loop.

[0012] In some of these embodiments, the first plug element;

[0013] A plurality of first connecting elements are distributed on the first plug element and are electrically connected to the corresponding loop units respectively. The first connecting element at the first position and the first connecting element at the last position are connected to the lead-out unit respectively.

[0014] In some embodiments, the second plug unit includes:

[0015] a second plug element;

[0016] A plurality of second connecting elements are distributed on the second plug element and are electrically connected to corresponding loop units respectively.

[0017] In some embodiments, the loop unit includes:

[0018] a loop element, wherein a first end of the loop element is electrically connected to a first connecting element of the first plug unit, and a second end of the loop element is electrically connected to a second connecting element of the second plug unit, so as to form a loop;

[0019] A protective element is provided to cover the loop element and is used to accommodate and protect the loop element.

[0020] In some embodiments, the extraction unit includes:

[0021] a first lead-out element, wherein the first lead-out element is detachably connected to the first connecting element, the power supply device, and the first measuring device located at the first position of the first plug unit;

[0022] The second lead-out element is detachably connected to the first connecting element, the first measuring device, and the power supply device located at the rear of the first plug unit, respectively, to form a first measurement closed loop.

[0023] In some embodiments, the extraction unit further includes:

[0024] The third lead-out element is detachably connected to the first connecting element and the first measuring device located between the first and last positions of the first plug unit, respectively, to form a second measurement closed loop.

[0025] In some embodiments, further comprising:

[0026] A marking unit is provided on the first plug unit and / or the second plug unit, and is used to mark the number of turns of the loop.

[0027] In some embodiments, the marking unit includes:

[0028] A plurality of marking elements are provided on the first plug unit and / or the second plug unit and are used to mark the number of turns of the loop.

[0029] In some embodiments, further comprising:

[0030] A locking unit is connected to the first plug unit and the second plug unit respectively, and is used to lock the first plug unit and the second plug unit.

[0031] In some embodiments, the first plug unit further includes:

[0032] A first rotating element is provided on the first plug unit and is rotatably connected to the locking unit.

[0033] In some embodiments, the first plug unit further includes:

[0034] A first locking element is provided on the first plug unit and is detachably connected to the locking unit.

[0035] In some embodiments, the second plug unit further includes:

[0036] A second locking element is provided on the second plug unit and is detachably connected to the locking unit.

[0037] In some embodiments, the second plug unit further includes:

[0038] A second rotating element is provided on the second plug unit and is rotationally connected to the locking unit.

[0039] In some embodiments, the locking unit includes:

[0040] a third locking element, the third locking element being provided on the first plug unit or the second plug unit and being detachably connected to the second plug unit or the first plug unit;

[0041] The third rotating element, wherein the second rotating element is provided on the third locking element and is rotationally connected to the first plug unit or the second plug unit.

[0042] In a second aspect, an iron core multi-turn coil measurement system is provided for transformer detection, comprising:

[0043] As described in the iron core multi-turn coil measuring device of the first aspect, the multi-turn loop composed of the first plug unit, the second plug unit, and the loop unit of the iron core multi-turn coil measuring device is sleeved on the first side of the iron core;

[0044] A secondary winding, the secondary winding being sleeved on the second side of the iron core;

[0045] A power supply device, the power supply device being connected to the lead-out unit of the iron core multi-turn coil measuring device to form a current loop;

[0046] a first measuring device, connected in series or in parallel with the lead-out unit of the iron core multi-turn coil measuring device, for measuring current or voltage;

[0047] A second measuring device is connected in series or in parallel with the secondary winding and is used to measure current or voltage.

[0048] The present invention adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0049] The present invention provides a multi-turn coil measuring device and system for an iron core. By providing a detachably connected first and second socket units, and alternately connecting a loop unit to each of the first and second socket units, a multi-turn coil can be quickly formed on one side of the iron core by closing the first and second socket units. The appropriate number of turns can be selected by changing the connection position of the lead-out unit. This solves the problems of complex transformer core testing, poor stability, and difficult maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 1 is a schematic diagram of an iron core multi-turn coil measuring device according to an embodiment of the present invention (I);

[0051] Figure 2 is a schematic diagram of a first plug unit according to an embodiment of the present utility model (1);

[0052] Figure 3 is a schematic diagram of a second plug unit according to an embodiment of the present invention (1);

[0053] Figure 4 is a schematic diagram of a circuit unit according to an embodiment of the present utility model;

[0054] Figure 5 1 is a schematic diagram of an extraction unit according to an embodiment of the present utility model (1);

[0055] Figure 6 1 is a schematic diagram of an equivalent circuit of an iron core multi-turn coil measuring device according to an embodiment of the present utility model;

[0056] Figure 7 Schematic diagram of an iron core multi-turn coil measuring device according to an embodiment of the present invention (II);

[0057] Figure 8 is a schematic diagram of a marking unit according to an embodiment of the present utility model;

[0058] Figure 9 Schematic diagram of the lead-out unit according to an embodiment of the present utility model (II);

[0059] Figure 10 Schematic diagram of an iron core multi-turn coil measuring device according to an embodiment of the present invention (3);

[0060] Figure 11 is a schematic diagram of the first plug unit according to an embodiment of the present utility model (3);

[0061] Figure 12 is a schematic diagram of the second plug unit according to an embodiment of the present utility model (3);

[0062] Figure 13 is a schematic diagram of a locking unit according to an embodiment of the present utility model;

[0063] Figure 14 Schematic diagram of an iron core multi-turn coil measurement system according to an embodiment of the present invention.

[0064] The accompanying drawings are numerals 100, an iron core multi-turn coil measuring device;

[0065] 110, first plug unit; 111, first plug element; 112, first connecting element; 113, first rotating element; 114, first locking element;

[0066] 120, second plug unit; 121, second plug element; 122, second connecting element; 123, second locking element; 124, second rotating element;

[0067] 130. Loop unit; 131. Loop element; 132. Protection element;

[0068] 140, lead unit; 141, first lead element; 142, second lead element; 143, third lead element;

[0069] 150. Marking unit; 151. Marking element;

[0070] 160. Locking unit; 161. Third locking element; 162. Third rotating element;

[0071] 200, secondary winding;

[0072] 300, power supply device;

[0073] 400. First measuring device;

[0074] 500, second measuring device;

[0075] A. Iron core. DETAILED DESCRIPTION

[0076] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0077] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0078] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0079] Example 1

[0080] This embodiment relates to an iron core multi-turn coil measuring device of the present utility model.

[0081] An illustrative embodiment of the present invention is as follows: Figure 1 As shown, a device 100 for measuring an iron-core multi-turn coil includes a first plug unit 110, a second plug unit 120, a loop unit 130, and a lead unit 140. The first plug unit 110 includes a plurality of first connecting elements 112; the second plug unit 120 is detachably connected to the first plug unit 110 and includes a plurality of second connecting elements 122; the loop units 130 are alternately electrically connected to the plurality of first connecting elements 112 of the first plug unit 110 and the plurality of second connecting elements 122 of the second plug unit 120, respectively, to form a multi-turn loop; and the lead unit 140 is detachably connected to the first plug unit 110 to connect the iron-core multi-turn coil measuring device 100 to a first measuring device and a power supply device to form a closed measurement loop.

[0082] In some embodiments, the first plug unit 110 and the second plug unit 120 form a plug socket, such as a JZ-58 model secondary plug socket with a rated maximum load current of 10 amperes.

[0083] like Figure 2As shown, the first plug unit 110 includes a first plug element 111 and a plurality of first connecting elements 112. The plurality of first connecting elements 112 are distributed on the first plug element 111 and are electrically connected to corresponding circuit units 130. The first connecting element 112 at the top and the last connecting element 112 at the bottom are connected to the lead-out unit 140, respectively.

[0084] In some embodiments, the first plug unit 110 is a female socket.

[0085] In some embodiments, the first plug element 111 is made of insulating material.

[0086] In some embodiments, the first plug element 111 is a first socket base plate.

[0087] A plurality of first connecting elements 112 are arranged at intervals along the length direction of the first plug element 111 .

[0088] Generally, the number of the first connecting elements 112 is ≥3.

[0089] In some embodiments, the number of the first connecting elements 112 is 51.

[0090] In some embodiments, the first connecting element 112 is a first terminal.

[0091] like Figure 3 As shown, the second plug unit 120 includes a second plug element 121 and a plurality of second connecting elements 122. The plurality of second connecting elements 122 are distributed on the second plug element 121 and are electrically connected to corresponding circuit units 130 respectively.

[0092] Specifically, the second plug element 121 is detachably connected to the first plug element 111 .

[0093] In some embodiments, the second plug unit 120 is a male socket.

[0094] In some embodiments, the second plug element 121 is made of insulating material.

[0095] In some embodiments, the second plug element 121 is a second socket base plate.

[0096] A plurality of second connecting elements 122 are arranged at intervals along the length direction of the second plug element 121 .

[0097] The number of the second connection elements 122 matches the number of the first connection elements 112. Generally, the number of the second connection elements 122 is equal to the number of the first connection elements 112.

[0098] Generally, the number of the second connecting elements 122 is ≥3.

[0099] In some embodiments, the number of the second connecting elements 122 is 51.

[0100] In some embodiments, the second connecting element 122 is a second terminal.

[0101] like Figure 4 As shown, the circuit unit 130 includes a circuit element 131 and a protective element 132. A first end of the circuit element 131 is electrically connected to a first connecting element 112 of the first plug unit 110, and a second end of the circuit element 131 is electrically connected to a second connecting element 122 of the second plug unit 120, thereby forming a circuit. The protective element 132 covers the circuit element 131 and is used to house and protect the circuit element 131.

[0102] The number of the loop units 130 matches the number of the second connecting elements 122. Generally, the number of the loop units 130 is less than the number of the second connecting elements 122 and the difference is at least 1.

[0103] Specifically, the order of the loop elements 131 is n. The first end and second end of the n-th loop element 131 are connected to the n+1-th first connection element 112 and the n-th second connection element 122, respectively. (The first end and second end of the first loop element 131 are connected to the second first connection element 112 and the first second connection element 122, respectively. The first end and second end of the second loop element 131 are connected to the third first connection element 112 and the second second connection element 122, respectively. And so on. The first end and second end of the 50th loop element 131 are connected to the 51st first connection element 112 and the 50th second connection element 122, respectively.)

[0104] In some embodiments, when the number of loop elements 131 is 50 (ie, the number of turns is 50), the resistance of the entire loop is less than 1 ohm, allowing a long-term load current greater than 10 amperes.

[0105] In some embodiments, the loop element 131 is a 50-core RVV model 30X1.5 mm that complies with the GB / T 8734.3-2016 standard. 2 flexible cable.

[0106] In some embodiments, the protective element 132 includes, but is not limited to, insulating tape or cable ties.

[0107] like Figure 5As shown, the lead unit 140 includes a first lead element 141 and a second lead element 142. The first lead element 141 is detachably connected to the first connecting element 112 at the top of the first plug unit 110 and the power supply device, respectively; the second lead element 142 is detachably connected to the first connecting element 112 at the bottom of the first plug unit 110 and the first measuring device, respectively, to form a first closed measurement loop.

[0108] In some embodiments, the first lead-out component 141 includes but is not limited to a lead-out cable with a banana plug.

[0109] In some embodiments, the second lead-out component 142 includes but is not limited to a lead-out cable with a banana plug.

[0110] The method of using the utility model is as follows:

[0111] Connecting the plurality of loop elements 131 to the corresponding first connecting element 112 and second connecting element 122 respectively;

[0112] Separate the first plug element 111 from the second plug element 121;

[0113] Pass the first plug element 111 through the iron core so that the first plug element 111 and the second plug element 121 are located on both sides of the iron core respectively;

[0114] Plug the first plug element 111 into the second plug element 121;

[0115] The first lead element 141 is connected to the power supply device, and the first connection element 112 corresponding to the marking element 151 is selected according to the required number of turns and connected to the second lead element 142, and then connected to the power supply device to form a Figure 6 The closed circuit is shown.

[0116] The advantage of the present utility model is that by providing a detachably connected first socket unit and a second socket unit, and alternately connecting the loop unit to the first socket unit and the second socket unit respectively, a multi-turn coil can be quickly formed on one side of the iron core by closing the first socket unit and the second socket unit, and a suitable number of turns can be selected by changing the access position of the lead-out unit, thereby solving the problems of complex transformer core detection operation, poor stability, and difficult maintenance.

[0117] Example 2

[0118] This embodiment is a supplementary embodiment of Embodiment 1.

[0119] like Figure 7As shown, the iron core multi-turn coil measuring device 100 further includes a marking unit 150. The marking unit 150 is respectively provided on the first plug unit 110 and / or the second plug unit 120, and is used to mark the number of turns of the loop.

[0120] like Figure 8 As shown, the marking unit 150 includes a plurality of marking elements 151. The marking elements 151 are provided on the first plug unit 110 and / or the second plug unit 120 to indicate the number of turns of the loop.

[0121] Specifically, a plurality of marking elements 151 are disposed on the surface of the first plug element 111 and are located on one side of the corresponding first connecting element 112 .

[0122] The number of marking elements 151 matches the number of first connecting elements 112 (second connecting elements 122). Generally, the number of marking elements 151 is equal to the number of first connecting elements 112 (second connecting elements 122). That is, there is a one-to-one correspondence between marking elements 151 and first connecting elements 112 (second connecting elements 122).

[0123] In some embodiments, the number of marking elements 151 is 51.

[0124] In some embodiments, the marking element 151 is a number.

[0125] The advantage of this embodiment is that the number of turns of the required loop can be quickly selected by providing a marking unit.

[0126] Example 3

[0127] This embodiment is a supplementary embodiment to Embodiments 1 and 2.

[0128] like Figure 9 As shown, the lead-out unit 140 further includes a third lead-out element 143. The third lead-out element 143 is detachably connected to a first connecting element 112 located between the first and last positions of the first plug unit 110 and the first measuring device to form a second closed measurement loop.

[0129] In some embodiments, the third lead-out component 143 includes but is not limited to a lead-out cable with a banana plug.

[0130] Taking the number of turns as 50 and 6 as an example, the usage of this embodiment is as follows:

[0131] Connecting the plurality of loop elements 131 to the corresponding first connecting element 112 and second connecting element 122 respectively;

[0132] Separate the first plug element 111 from the second plug element 121;

[0133] Pass the first plug element 111 through the iron core so that the first plug element 111 and the second plug element 121 are located on both sides of the iron core respectively;

[0134] Plug the first plug element 111 into the second plug element 121;

[0135] Connect the first lead-out element 141 to the first connecting element 112 and the power supply device respectively;

[0136] Connect the second lead-out element 142 to the first connecting element 112 at position 6;

[0137] Connect the third lead-out element 143 to the first connecting element 112 at the rear end;

[0138] According to measurement requirements, the second lead element 142 or the third lead element 143 is connected to the first measuring device to measure the current or voltage of the second closed loop.

[0139] The advantage of this embodiment is that the current or voltage values of loops with different numbers of turns can be quickly measured by providing the third lead-out element.

[0140] Example 4

[0141] This embodiment is a supplementary embodiment to Embodiments 1 to 3.

[0142] like Figure 10 As shown, the iron core multi-turn coil measuring device 100 further includes a locking unit 160. The locking unit 160 is connected to the first plug unit 110 and the second plug unit 120 respectively, and is used to lock the first plug unit 110 and the second plug unit 120.

[0143] like Figure 11 As shown, the first plug unit 110 further includes a first rotating element 113 , wherein the first rotating element 113 is disposed on the first plug unit 110 and is rotatably connected to the locking unit 160 .

[0144] Specifically, the first rotating element 113 is disposed on the outer surface of the first plug element 111 .

[0145] In some embodiments, the first rotating element 113 and the first plug element 111 are integrally formed.

[0146] In some embodiments, the cross section of the first rotating element 113 is circular.

[0147] In some embodiments, the first rotating element 113 includes but is not limited to a rotating shaft.

[0148] Furthermore, the first plug unit 110 further includes a first locking element 114 , wherein the first locking element 114 is provided on the first plug unit 110 and is detachably connected to the locking unit 160 .

[0149] Specifically, the first locking element 114 is disposed on the first plug element 111 .

[0150] In some embodiments, the first locking element 114 and the first plug element 111 are integrally formed.

[0151] In some embodiments, the cross-section of the first locking element 114 is circular.

[0152] In some embodiments, the first locking element 114 includes but is not limited to a stopper.

[0153] like Figure 12 As shown, the second plug unit 120 further includes a second locking element 123 , wherein the second locking element 123 is provided on the second plug unit 120 and is detachably connected to the locking unit 160 .

[0154] Specifically, the second locking element 123 is disposed on the outer surface of the second plug element 121 .

[0155] In some embodiments, the second locking element 123 and the second plug element 121 are integrally formed.

[0156] In some embodiments, the cross-section of the second locking element 123 is circular.

[0157] In some embodiments, the second locking element 123 includes but is not limited to a limit block.

[0158] Furthermore, the second plug unit 120 further includes a second rotating element 124 , wherein the second rotating element 124 is disposed on the second plug unit 120 and is rotatably connected to the locking unit 160 .

[0159] Specifically, the second rotating element 124 is disposed on the second plug element 121 .

[0160] In some embodiments, the second rotating element 124 and the second plug element 121 are integrally formed.

[0161] In some embodiments, the cross-section of the second rotating element 124 is circular.

[0162] In some embodiments, the second rotating element 124 includes but is not limited to a rotating shaft.

[0163] like Figure 12As shown, the locking unit 160 includes a third locking element 161 and a third rotating element 162. The third locking element 161 is provided on the first plug unit 110 or the second plug unit 120 and is detachably connected to the second plug unit 120 or the first plug unit 110; the second rotating element 124 is provided on the third locking element 161 and is rotatably connected to the first plug unit 110 or the second plug unit 120.

[0164] Specifically, the third locking element 161 is positionally connected to the first locking element 114 or the second locking element 123 ; and the third rotating element 162 is rotationally connected to the first rotating element 113 or the second rotating element 124 .

[0165] That is, it includes the following two implementation methods:

[0166] 1) The third locking element 161 is positionally connected to the first locking element 114 , and the third rotating element 162 is rotationally connected to the second rotating element 124 ;

[0167] 2) The third locking element 161 is positionally connected to the second locking element 123 , and the third rotating element 162 is rotationally connected to the first rotating element 113 .

[0168] The size of the third locking element 161 matches the size of the first locking element 114 (the second locking element 123). Generally, the width of the third locking element 161 is not less than the radial dimension of the first locking element 114 (the second locking element 123).

[0169] In some embodiments, the third locking element 161 includes a locking handle and a limiting slide rail. A third rotating element 162 is disposed in the middle of the locking handle; the limiting slide rail is disposed at the end of the locking handle and is in position-limiting connection with the first locking element 114 (second locking element 123).

[0170] The third rotating element 162 is disposed through the surface of the third locking element 161 .

[0171] The size of the third rotating element 162 matches the size of the first rotating element 113 (the second rotating element 124). Generally, the radial size of the third rotating element 162 is not less than the radial size of the first rotating element 113 (the second rotating element 124).

[0172] In some embodiments, the cross-section of the third rotating element 162 is circular.

[0173] In some embodiments, the third rotating element 162 is a rotating hole.

[0174] The advantage of this embodiment is that by providing a locking unit to fix the relative position of the first plug unit and the second plug unit, a tight connection between the first plug unit and the second plug unit is ensured, thereby improving the stability of the iron core multi-turn coil measuring device during operation.

[0175] Example 5

[0176] This embodiment relates to the iron core multi-turn coil measurement system of the present utility model.

[0177] like Figure 13 As shown, a multi-turn coil measurement system for an iron core includes the iron core multi-turn coil measurement device 100 described in Examples 1 and 2, a secondary winding 200, a power supply device 300, a first measurement device 400, and a second measurement device 500. The multi-turn loop formed by the first plug unit 110, the second plug unit 120, and the loop unit 130 of the iron core multi-turn coil measurement device 100 is sleeved on the first side of the iron core; the secondary winding 200 is sleeved on the second side of the iron core; the power supply device 300 is connected to the lead unit 140 of the iron core multi-turn coil measurement device 100 to form a current loop; the first measurement device 400 is connected in series or in parallel with the lead unit 140 of the iron core multi-turn coil measurement device 100 for measuring current or voltage; and the second measurement device 500 is connected in series or in parallel with the secondary winding 200 for measuring current or voltage.

[0178] Specifically, the power supply device 300 is connected to the first lead component 141 and the second lead component 142 respectively; the first measuring device 400 is connected in series or in parallel with the first lead component 141 or the second lead component 142.

[0179] In some embodiments, the first measuring device 400 includes but is not limited to a multimeter.

[0180] In some embodiments, the second measuring device 500 includes but is not limited to a multimeter.

[0181] The method of using the utility model is as follows:

[0182] Connecting the plurality of loop elements 131 to the corresponding first connecting element 112 and second connecting element 122 respectively;

[0183] Separate the first plug element 111 from the second plug element 121;

[0184] Pass the first plug element 111 through the iron core so that the first plug element 111 and the second plug element 121 are located on both sides of the iron core respectively;

[0185] Plug the first plug element 111 into the second plug element 121;

[0186] Connect the first lead element 141 to the power supply device 300, select the first connection element 112 corresponding to the marking element 151 according to the required number of turns and connect it to the second lead element 142, and connect the second lead element 142 to the first measuring device 400 to form the following: Figure 6 The closed circuit shown;

[0187] The secondary winding 200 is wound on the second side of the iron core and connected to the second measuring device 500 to complete the measurement of the iron core.

[0188] The above description is only a preferred embodiment of the present invention and does not limit the implementation method and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An iron core multi-turn coil measuring device for mutual inductor detection, characterized in that: include: a first plug unit comprising a plurality of first connecting elements; a second plug unit, the second plug unit being detachably connected to the first plug unit, the second plug unit comprising a plurality of second connecting elements; a plurality of loop units, each of which is alternately electrically connected to the plurality of first connecting elements of the first plug unit and the plurality of second connecting elements of the second plug unit, respectively, to form a multi-turn loop; The lead-out unit is detachably connected to the first plug unit and is used to connect the iron core multi-turn coil measuring device with the first measuring device and the power supply device to form a closed measurement loop.

2. The iron core multi-turn coil measuring device according to claim 1, characterized in that: The first plug unit includes: a first plug element; A plurality of first connecting elements are distributed on the first plug element and are electrically connected to the corresponding loop units respectively. The first connecting element at the first position and the first connecting element at the last position are connected to the lead-out unit respectively.

3. The iron core multi-turn coil measuring device according to claim 1, characterized in that: The second plug unit includes: a second plug element; A plurality of second connecting elements are distributed on the second plug element and are electrically connected to corresponding loop units respectively.

4. The iron core multi-turn coil measuring device according to claim 1, characterized in that: The loop unit comprises: a loop element, wherein a first end of the loop element is electrically connected to a first connecting element of the first plug unit, and a second end of the loop element is electrically connected to a second connecting element of the second plug unit, so as to form a loop; A protective element is provided to cover the loop element and is used to accommodate and protect the loop element.

5. The iron core multi-turn coil measuring device according to claim 1, characterized in that: The extraction unit includes: a first lead-out element, the first lead-out element being detachably connected to the first connecting element and the power supply device located at the first position of the first plug unit; The second lead-out element is detachably connected to the first connecting element and the first measuring device located at the rear of the first plug unit, respectively, to form a first measurement closed loop.

6. The iron core multi-turn coil measuring device according to claim 5, characterized in that: The extraction unit further includes: The third lead-out element is detachably connected to the first connecting element and the first measuring device located between the first and last positions of the first plug unit, respectively, to form a second measurement closed loop.

7. The iron core multi-turn coil measuring device according to any one of claims 1 to 6, characterized in that: Also includes: a marking unit, the marking unit being respectively provided on the first plug unit and / or the second plug unit and being used to mark the number of turns of the loop; and / or A locking unit is connected to the first plug unit and the second plug unit respectively, and is used to lock the first plug unit and the second plug unit.

8. The iron core multi-turn coil measuring device according to claim 7, characterized in that: The marking unit comprises: A plurality of marking elements are provided on the first plug unit and / or the second plug unit and are used to mark the number of turns of the loop.

9. The iron core multi-turn coil measuring device according to claim 7, characterized in that: The first plug unit further includes: a first rotating element, which is provided on the first plug unit and is rotatably connected to the locking unit; and / or The first plug unit further includes: a first locking element, which is provided on the first plug unit and is detachably connected to the locking unit; and / or The second plug unit further includes: a second locking element, which is provided on the second plug unit and is detachably connected to the locking unit; and / or The second plug unit further includes: a second rotating element, which is provided on the second plug unit and is rotatably connected to the locking unit; and / or The locking unit comprises: a third locking element, the third locking element being provided on the first plug unit or the second plug unit and being detachably connected to the second plug unit or the first plug unit; The third rotating element, wherein the second rotating element is provided on the third locking element and is rotationally connected to the first plug unit or the second plug unit.

10. An iron core multi-turn coil measurement system for mutual inductor detection, characterized in that: include: The iron core multi-turn coil measuring device according to any one of claims 1 to 9, wherein the multi-turn loop composed of the first plug unit, the second plug unit, and the loop unit of the iron core multi-turn coil measuring device is sleeved on the first side of the iron core; A secondary winding, the secondary winding being sleeved on the second side of the iron core; A power supply device, the power supply device being connected to the lead-out unit of the iron core multi-turn coil measuring device to form a current loop; a first measuring device, connected in series or in parallel with the lead-out unit of the iron core multi-turn coil measuring device, for measuring current or voltage; A second measuring device is connected in series or in parallel with the secondary winding and is used to measure current or voltage.

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