CN212031704U - Mutual inductor polarity tester - Google Patents
Mutual inductor polarity tester Download PDFInfo
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- CN212031704U CN212031704U CN201922385383.XU CN201922385383U CN212031704U CN 212031704 U CN212031704 U CN 212031704U CN 201922385383 U CN201922385383 U CN 201922385383U CN 212031704 U CN212031704 U CN 212031704U
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Abstract
A mutual inductor polarity tester comprises a battery box and a polarity display; the battery box is internally provided with a power circuit, a primary winding detection switch-on circuit, a secondary winding detection switch-on circuit, a tertiary primary winding detection switch-on circuit, a primary winding circuit binding post, a secondary winding circuit binding post, a tertiary primary winding circuit binding post and a power circuit binding post; the polarity display is respectively provided with a polarity display circuit, a secondary winding polarity detection circuit, a secondary winding detection circuit, a tertiary secondary winding detection circuit, a secondary winding circuit wiring terminal, a tertiary secondary winding circuit wiring terminal and a polarity display circuit wiring terminal. The beneficial effects are that: the wiring is simple, convenient operation, only need disposable wiring can test, single can accomplish the operation, and the polarity test discernment degree is high efficiency of software testing soon.
Description
Technical Field
The utility model particularly relates to a mutual-inductor polarity tester.
Background
At present, a direct current testing method is adopted in the traditional transformer polarity testing. The positive end and the negative end of the dry battery are connected to the two sides of the mutual inductor by test lines by a tester, and after the positive direction is regulated, the on-off of the battery is controlled in a short time and the high-sound singing is realized. And another tester monitors the secondary winding by using a current meter at a secondary wiring terminal of the mutual inductor and judges whether the polarity of the mutual inductor is correct or not according to the deflection direction of a meter pointer, and generally the polarity test work of the three-phase mutual inductor needs to be completed in sequence. The traditional transformer polarity testing process consumes time and labor, and takes 20 minutes averagely, and needs two persons to cooperate to operate, so that the efficiency is very low. The reasons for the technical problems are that the battery is inconvenient to contact with the experimental line, the positions of the first measuring point and the second measuring point are far, the deflection of the ammeter pointer is small, the split-phase operation needs to be tested for many times, and in a noisy environment, the cooperation and communication of testers are inconvenient, so that the time is consumed.
Disclosure of Invention
The utility model aims at providing a mutual-inductor polarity tester in order to solve the problem of the consuming time and power of mutual-inductor polarity test.
In order to achieve the purpose, the utility model adopts the technical scheme that a battery box and a polarity display matched with remote control are arranged, the battery box and the polarity display are respectively connected with a mutual inductor to form a detection loop, a remote control closing switch for independently controlling the disconnection of each primary winding detection loop of the mutual inductor is arranged on the battery box, a remote control button of the remote control closing switch for controlling the disconnection of each primary winding detection loop of the mutual inductor is arranged on the polarity display, the connection of each primary winding detection loop of the mutual inductor is remotely controlled through the remote control button on the polarity display, and the polarity detection of each secondary winding is completed at the secondary winding of the mutual inductor by the polarity display at one time; and a polarity display lamp is arranged on a detection loop of the polarity display, and the straight tube displays a polarity detection result after the circuit is switched on.
The utility model discloses a mutual inductor polarity tester, which comprises a battery box and a polarity display; the battery box is internally provided with a power circuit, a primary winding detection switch-on circuit, a secondary winding detection switch-on circuit, a tertiary primary winding detection switch-on circuit, a primary winding circuit binding post, a secondary winding circuit binding post, a tertiary primary winding circuit binding post and a power circuit binding post; a power supply is arranged on the power supply circuit; the one-term primary winding detection switch-on circuit, the two-term primary winding detection switch-on circuit and the three-term primary winding detection switch-on circuit are respectively provided with a one-term circuit remote control closing switch, a two-term circuit remote control closing switch and a three-term circuit remote control closing switch; one end of the one primary winding detection switch-on circuit, the two primary winding detection switch-on circuit and the three primary winding detection switch-on circuits is connected in parallel to one end of the power circuit, the other ends of the one primary winding detection switch-on circuit, the two primary winding detection switch-on circuit and the three primary winding detection switch-on circuits are respectively connected to a primary winding circuit binding post, a two primary winding circuit binding post and a three primary winding circuit binding post, and the other end of the power circuit is connected to the power circuit binding post; the polarity display is respectively provided with a polarity display circuit, a secondary winding polarity detection circuit, a secondary winding detection circuit, a tertiary secondary winding detection circuit, a secondary winding circuit wiring terminal, a tertiary secondary winding circuit wiring terminal and a polarity display circuit wiring terminal; one end of the one secondary winding polarity detection circuit, the two secondary winding detection circuit and the three secondary winding detection circuit is connected in parallel to one end of the polarity display circuit, the other ends of the one secondary winding polarity detection circuit, the two secondary winding detection circuit and the three secondary winding detection circuit are respectively connected to a secondary winding circuit wiring terminal, a two secondary winding circuit wiring terminal and a three secondary winding circuit wiring terminal, and the other end of the polarity display circuit is connected to the polarity display circuit wiring terminal; the polarity display circuit is provided with a polarity adding display lamp and a polarity reducing display lamp in parallel; the one-item circuit remote control closing switch remote control button, the two-item circuit remote control closing switch remote control button and the three-item circuit remote control closing switch remote control button are respectively configured on the one-item secondary winding polarity detection circuit, the two-item secondary winding detection circuit and the three-item secondary winding detection circuit; the one-circuit remote control closing switch remote control button, the two-circuit remote control closing switch remote control button and the three-circuit remote control closing switch remote control button are respectively connected with the one-circuit remote control closing switch, the two-circuit remote control closing switch and the three-circuit remote control closing switch in a corresponding remote control mode.
The power supply adopts a dry battery pack.
The polarity-adding display lamp and the polarity-reducing display lamp adopt high-brightness light-emitting diode structures.
The direction of diodes of the polarity-adding display lamp and the polarity-reducing display lamp in the polarity display circuit is opposite.
The beneficial effects of the utility model reside in that: the wiring is simple, convenient operation, only need disposable wiring can test, single can accomplish the operation, and the polarity test discernment degree is high efficiency of software testing soon.
Drawings
Fig. 1 is a schematic circuit structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a battery box structure of the present invention;
fig. 3 is a schematic structural diagram of the polarity display of the present invention;
in the drawings: battery box 1, power circuit 11, power supply 111, one-phase primary winding detection switch-on circuit 12, one-phase circuit remote control close switch 121, two-phase primary winding detection switch-on circuit 13, two-phase circuit remote control close switch 131, three-phase primary winding detection switch-on circuit 14, three-phase circuit remote control close switch 141, one-phase primary winding circuit terminal 15, two-phase primary winding circuit terminal 16, three-phase primary winding circuit terminal 17, power circuit terminal 18, polarity display 2, polarity display circuit 21, polarity adding display lamp 211, polarity reducing display lamp 212, one-phase secondary winding polarity detection circuit 22, one-phase circuit remote control close switch remote control button 221, two-phase secondary winding detection circuit 23, two-phase circuit remote control close switch remote control button 231, three-phase secondary winding detection circuit 24, three-phase circuit remote control close switch remote control button 241, three-phase circuit remote control close switch remote control button 231, three, The secondary winding circuit comprises a primary winding circuit terminal 25, a secondary winding circuit terminal 26, a tertiary winding circuit terminal 27, a polarity display circuit terminal 28, a mutual inductor 3, a primary winding 31, a secondary winding 32, a tertiary primary winding 33, a secondary winding 34, a secondary winding 35 and a tertiary secondary winding 36.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail with reference to the embodiments.
As shown in fig. 2-3, the utility model relates to a mutual inductor polarity tester, which comprises a battery box 1 and a polarity display 2; the battery box 1 is internally provided with a power circuit 11, a primary winding detection switch-on circuit 12, a secondary winding detection switch-on circuit 13, a tertiary primary winding detection switch-on circuit 14, a primary winding circuit binding post 15, a secondary winding circuit binding post 16, a tertiary primary winding circuit binding post 17 and a power circuit binding post 18; the power circuit 11 is provided with a power supply 111; the one-term primary winding detection switch-on circuit 12, the two-term primary winding detection switch-on circuit 13 and the three-term primary winding detection switch-on circuit 14 are respectively provided with a one-term circuit remote control closing switch 121, a two-term circuit remote control closing switch 131 and a three-term circuit remote control closing switch 141; one end of the one primary winding detection switch-on circuit 12, the two primary winding detection switch-on circuit 13 and the three primary winding detection switch-on circuit 14 is connected in parallel to one end of the power circuit 11, the other ends of the one primary winding detection switch-on circuit 12, the two primary winding detection switch-on circuit 13 and the three primary winding detection switch-on circuit 14 are respectively connected to a one primary winding circuit wiring terminal 15, a two primary winding circuit wiring terminal 16 and a three primary winding circuit wiring terminal 17, and the other end of the power circuit 11 is connected to a power circuit wiring terminal 18; the polarity display 2 is respectively provided with a polarity display circuit 21, a secondary winding polarity detection circuit 22, a secondary winding detection circuit 23, a secondary winding detection circuit 24, a secondary winding circuit binding post 25, a secondary winding circuit binding post 26, a secondary winding circuit binding post 27 and a polarity display circuit binding post 28; one end of the one secondary winding polarity detection circuit 22, the two secondary winding detection circuit 23 and the three secondary winding detection circuit 24 is connected in parallel to one end of the polarity display circuit 21, the other ends of the one secondary winding polarity detection circuit 22, the two secondary winding detection circuit 23 and the three secondary winding detection circuit 24 are respectively connected to the one secondary winding circuit wiring terminal 25, the two secondary winding circuit wiring terminal 26 and the three secondary winding circuit wiring terminal 27, and the other end of the polarity display circuit 21 is connected to the polarity display circuit wiring terminal 28; the polarity display circuit 21 is provided with a polarity increasing display lamp 211 and a polarity decreasing display lamp 212 in parallel; the one-item circuit remote control closing switch remote control button 221, the two-item circuit remote control closing switch remote control button 231 and the three-item circuit remote control closing switch remote control button 241 are respectively configured on the one-item secondary winding polarity detection circuit 22, the two-item secondary winding detection circuit 23 and the three-item secondary winding detection circuit 24; the one-phase circuit remote control closing switch remote control button 221, the two-phase circuit remote control closing switch remote control button 231 and the three-phase circuit remote control closing switch remote control button 241 are respectively connected with the one-phase circuit remote control closing switch 121, the two-phase circuit remote control closing switch 131 and the three-phase circuit remote control closing switch 141 in a corresponding remote control mode.
The power supply 111 employs a dry battery.
The plus-polarity display lamp 211 and the minus-polarity display lamp 212 adopt a high-brightness light emitting diode structure.
The diodes of the plus polarity indicator lamp 211 and the minus polarity indicator lamp 212 in the polarity indicator circuit 21 are in opposite directions.
Example 1
The utility model discloses circuit and theory of operation of mutual-inductor polarity tester:
as shown in the attached figure 1, the utility model discloses to the circuit structure schematic diagram of 3 various winding polarity test operation of mutual-inductor, the process is as follows during the operation:
the battery box 1 is connected with a circuit of a primary measuring point of the mutual inductor 3.
1) One end wiring of the primary winding 31, the secondary winding 32 and the tertiary winding 33 of the transformer 3 are respectively connected to the primary winding circuit terminal 15, the secondary winding circuit terminal 16 and the tertiary winding circuit terminal 17 of the battery box 1 in sequence;
2) the other ends of the one-phase primary winding 31, the two-phase primary winding 32 and the three-phase primary winding 33 of the transformer 3 are wired and coupled to the power circuit terminal 18 of the battery case 1.
The polarity display 2 is connected with a secondary measuring point circuit of the mutual inductor 3.
3) Connecting one end wiring of the one-term secondary winding 34, the two-term secondary winding 35 and the three-term secondary winding 36 of the mutual inductor 3 to the one-term secondary winding circuit terminal 25, the two-term secondary winding circuit terminal 26 and the three-term secondary winding circuit terminal 27 of the polarity display 2 in sequence respectively;
4) the other ends of the one-term secondary winding 34, the two-term secondary winding 35 and the three-term secondary winding 36 of the transformer 3 are wired and connected to the polarity display circuit terminal 28 of the polarity display 2.
And (5) polarity test operation.
5) The remote control button 221 of the one-circuit remote control closing switch of the polarity display 2 is pressed, the one-circuit remote control closing switch 121 on the battery box 1 is closed, the one-item primary winding 31 at the primary measurement point of the mutual inductor 3 is connected with the one-item secondary winding polarity detection circuit 22 formed by the battery box 1, the one-item secondary winding 34 at the secondary measurement point of the mutual inductor 3 is connected with the one-item secondary winding polarity detection circuit 22 formed by the polarity display 2 to generate current, and the polarity adding display lamp 211 and the polarity reducing display lamp 212 on the polarity display circuit 21 are turned on according to the polarity.
6) The remote control button 231 of the binomial circuit remote control closing switch of the polarity display 2 is pressed, the binomial circuit remote control closing switch 131 on the battery box 1 is closed, the binomial primary winding 32 at the primary measurement point of the mutual inductor 3 is connected with the binomial secondary winding polarity detection circuit 23 formed by the battery box 1, the binomial secondary winding 35 at the secondary measurement point of the mutual inductor 3 and the binomial secondary winding polarity detection circuit 23 formed by the polarity display 2 generate current, and the polarity adding display lamp 211 and the polarity reducing display lamp 212 on the polarity display circuit 21 are turned on according to the polarity.
7) The three-phase circuit remote control closing switch remote control button 241 of the polarity display 2 is pressed, the three-phase circuit remote control closing switch 141 on the battery box 1 is closed, the three-phase primary winding 33 at the primary measurement point of the mutual inductor 3 is connected with the three-phase secondary winding polarity detection circuit 24 formed by the battery box 1, the three-phase secondary winding 36 at the secondary measurement point of the mutual inductor 3 and the three-phase secondary winding polarity detection circuit 24 formed by the polarity display 2 generate current, and the polarity adding display lamp 211 and the polarity reducing display lamp 212 on the polarity display circuit 21 are turned on according to the polarity.
8) After the test is finished, the battery box 1 at the primary measuring point of the mutual inductor 3 and the polarity display 2 at the secondary measuring point are respectively detached.
Claims (4)
1. The utility model provides a mutual-inductor polarity tester which characterized in that: comprises a battery box (1) and a polarity display (2); the battery box (1) is internally provided with a power circuit (11), a primary winding detection switch-on circuit (12), a secondary primary winding detection switch-on circuit (13), a tertiary primary winding detection switch-on circuit (14), a primary winding circuit binding post (15), a secondary primary winding circuit binding post (16), a tertiary primary winding circuit binding post (17) and a power circuit binding post (18); a power supply (111) is arranged on the power supply circuit (11); the one-phase primary winding detection switch-on circuit (12), the two-phase primary winding detection switch-on circuit (13) and the three-phase primary winding detection switch-on circuit (14) are respectively provided with a one-phase circuit remote control closing switch (121), a two-phase circuit remote control closing switch (131) and a three-phase circuit remote control closing switch (141); one end of the one primary winding detection switch-on circuit (12), the two primary winding detection switch-on circuit (13) and the three primary winding detection switch-on circuits (14) is connected in parallel to one end of the power supply circuit (11), the other ends of the one primary winding detection switch-on circuit (12), the two primary winding detection switch-on circuit (13) and the three primary winding detection switch-on circuits (14) are respectively connected to one primary winding circuit binding post (15), the two primary winding circuit binding posts (16) and the three primary winding circuit binding posts (17), and the other end of the power supply circuit (11) is connected to the power supply circuit binding post (18); the polarity display (2) is respectively provided with a polarity display circuit (21), a secondary winding polarity detection circuit (22), a secondary winding detection circuit (23), a tertiary secondary winding detection circuit (24), a secondary winding circuit binding post (25), a secondary winding circuit binding post (26), a tertiary secondary winding circuit binding post (27) and a polarity display circuit binding post (28); one end of the one secondary winding polarity detection circuit (22), the two secondary winding detection circuit (23) and the three secondary winding detection circuit (24) is connected in parallel with one end of the polarity display circuit (21), the other ends of the one secondary winding polarity detection circuit (22), the two secondary winding detection circuit (23) and the three secondary winding detection circuit (24) are respectively connected to one secondary winding circuit binding post (25), the two secondary winding circuit binding post (26) and the three secondary winding circuit binding post (27), and the other end of the polarity display circuit (21) is connected to the polarity display circuit binding post (28); the polarity display circuit (21) is provided with a polarity adding display lamp (211) and a polarity reducing display lamp (212) in parallel; the one-item circuit remote control closing switch remote control button (221), the two-item circuit remote control closing switch remote control button (231) and the three-item circuit remote control closing switch remote control button (241) are respectively configured on the one-item secondary winding polarity detection circuit (22), the two-item secondary winding detection circuit (23) and the three-item secondary winding detection circuit (24); the one-circuit remote control closing switch remote control button (221), the two-circuit remote control closing switch remote control button (231) and the three-circuit remote control closing switch remote control button (241) are respectively connected with the one-circuit remote control closing switch (121), the two-circuit remote control closing switch (131) and the three-circuit remote control closing switch (141) in a corresponding remote control mode.
2. The instrument transformer polarity tester of claim 1, wherein: the power supply (111) adopts a dry battery pack.
3. The instrument transformer polarity tester of claim 1, wherein: the polarity-adding display lamp (211) and the polarity-reducing display lamp (212) adopt high-brightness light-emitting diode structures.
4. The instrument transformer polarity tester of claim 1 or 3, wherein: the diode directions of the plus polarity display lamp (211) and the minus polarity display lamp (212) in the polarity display circuit (21) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385383.XU CN212031704U (en) | 2019-12-27 | 2019-12-27 | Mutual inductor polarity tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385383.XU CN212031704U (en) | 2019-12-27 | 2019-12-27 | Mutual inductor polarity tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212031704U true CN212031704U (en) | 2020-11-27 |
Family
ID=73483193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922385383.XU Active CN212031704U (en) | 2019-12-27 | 2019-12-27 | Mutual inductor polarity tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212031704U (en) |
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2019
- 2019-12-27 CN CN201922385383.XU patent/CN212031704U/en active Active
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