CN220894414U - Motor winding resistance quick detection device - Google Patents
Motor winding resistance quick detection device Download PDFInfo
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- CN220894414U CN220894414U CN202322493373.4U CN202322493373U CN220894414U CN 220894414 U CN220894414 U CN 220894414U CN 202322493373 U CN202322493373 U CN 202322493373U CN 220894414 U CN220894414 U CN 220894414U
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- motor winding
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- 238000004804 winding Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a motor winding resistance rapid detection device, which comprises an aviation plug positioned at the front end and a measurement control mechanism positioned at the rear end, wherein the other end of the aviation plug is electrically connected with a tested motor winding cable through a plurality of electrical contacts, and the tested motor winding cable test interface comprises a 1 st, a 2 nd, a 3 rd and a 4 th test terminals, wherein the 1 st, the 2 nd and the 3 rd test terminals are fire wire terminals, and the 4 th test terminal is a ground wire terminal; the rear end of the measurement control mechanism is also provided with a group of resistance test ports which are used for being connected with a multimeter pen; the measurement control mechanism is provided with an associated switch with at least three groups of switches, wherein the three groups of switches are respectively responsible for one of 3 permutation and combination of 3 live wire terminals connected to a winding cable of the motor to be measured. The utility model simplifies the operation flow and improves the test efficiency; the scratch risk of the equipment interface is avoided, and the unstable risk of reading is also avoided.
Description
Technical Field
The utility model belongs to the field of electricians, and particularly relates to a motor winding resistance value rapid detection device for improving measurement efficiency.
Background
At present, a measuring method for the resistance value of a three-phase motor winding mainly uses a resistance gear of a universal meter to detect, specifically, a meter pen of the universal meter is used for contacting a tested cable, and data are recorded after the reading of the universal meter is stable. But the resistance grade of the universal meter is used for detection, and the following defects are mainly caused: 1. the means are complicated, and the personnel are not skilled, so that the test error is easily caused; 2. because the material hardness of the multimeter pen is higher, the measured object can be scratched; 3. different test objects need to memorize different line sequences to finish the test; 4. the test efficiency is low, and the test staff has low efficiency due to the fact that the interface between the meter pen of the universal meter and the tested cable is in point contact, the contact area of the meter pen is small, and the tester shakes hands.
Disclosure of utility model
The utility model aims to provide a rapid detection device for the resistance of a motor winding, and by using the test tool, rapid and accurate resistance measurement can be realized, and the measurement efficiency is improved.
The utility model is realized by the following technical scheme:
The motor winding resistance rapid detection device comprises an aviation plug at the front end and a measurement control mechanism at the rear end, wherein a female head or a male head of the aviation plug is electrically connected with the measurement control mechanism and is fixed on the measurement control mechanism, the other head of the aviation plug is in one-to-one correspondence connection with test terminals on a test interface of a tested motor winding cable through a plurality of electrical contacts to realize the electrical connection of each test terminal with the measurement control mechanism, the test interface of the tested motor winding cable comprises a1 st, 2 nd, 3 rd and 4 th test terminals, wherein the 1 st, 2 nd and 3 rd test terminals are fire wire terminals, and the 4 th test terminal is a ground wire terminal; the rear end of the measurement control mechanism is also provided with a group of resistance test ports which are used for being connected with the anode and the cathode of the universal meter pen; the measuring control mechanism is provided with associated switches with at least three groups of switches, the resistance test ports are respectively and electrically connected to the groups of switches, each group of switches is controlled by a button, wherein the three groups of switches are respectively responsible for being connected to one of 3 permutation and combination of 3 live wire terminals of a winding cable of a tested motor, specifically, the 1 st test terminal, the 2 nd test terminal, the 3 rd test terminal and the 1 st test terminal are respectively bound through an electric contact of an aviation plug, so that the resistance of the three combinations is measured.
Preferably, the tested motor winding cable test interface also comprises a 5 th test terminal and a 6 th test terminal, wherein the 5 th test terminal and the 6 th test terminal are motor brake function test terminals; the measuring control mechanism is provided with an associated switch with 4 groups of switches, and the other group of switches are used for being connected to the 5 th and 6 th two test terminals to detect whether the motor braking function is normal or not, namely, whether a protective brake circuit used for locking a motor output shaft when the motor is out of line fault is normal or not, except for three groups of switches which are respectively responsible for one of 3 arrangements and combinations of 3 live wire terminals connected to a tested motor winding cable.
The beneficial effects of the utility model are as follows:
The rapid detection device for the resistance value of the motor winding has ingenious structure, can realize the arrangement and combination measurement of the cable interface terminals of the motor winding to be detected by using the associated switch, realizes the function of on-line switching port combination, simplifies the operation flow, shortens the test time, is easy to operate by post personnel, and greatly improves the test efficiency; the electrical connection mode of the universal meter greatly increases the contact surface compared with the previous point contact mode, avoids the scratch risk of the equipment interface, also avoids the unstable risk of reading caused by switching the meter pen to contact the tested interface terminal, has wide application range and strong practicability, and is worthy of popularization.
Drawings
For ease of illustration, the utility model is described in detail by the following specific examples and figures.
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic view of another perspective view of an embodiment of the present utility model;
FIG. 3 is a schematic illustration of the internal untreaded construction of FIG. 1;
FIG. 4 is a schematic illustration of a test of an embodiment of the present utility model;
Fig. 5 is a schematic diagram of a test circuit according to an embodiment of the utility model.
Detailed Description
As shown in fig. 1-3, the motor winding resistance rapid detection device comprises an aviation plug 1 positioned at the front end and a measurement control mechanism 2 positioned at the rear end, wherein a male head of the aviation plug 1 is electrically connected with the measurement control mechanism 2 and is fixed on the measurement control mechanism 2, a female head of the aviation plug 1 is in one-to-one correspondence connection with test terminals on a test interface of a tested motor winding cable through 6 electrical contacts so as to realize the electrical connection of each test terminal with the measurement control mechanism, the male head and the female head can be interchanged, the tested motor winding cable test interface comprises a1 st, 2 nd, 3 rd, 4 th, 5 th and 6 th six test terminals, wherein the 1 st, 2 nd and 3 rd test terminals are fire wire terminals, the 4 th test terminal is a ground wire terminal, and the 5 th and 6 th test terminals are motor braking function test terminals; the rear end of the measurement control mechanism 2 is also provided with a group of resistance test ports 3 which are used for being connected with the anode and the cathode of the universal meter pen; the measurement control mechanism 2 is provided with an associated switch 4 with four groups of switches, the resistance test port 3 is electrically connected to each group of switches respectively, each group of switches is controlled by a button, wherein the three groups of switches are respectively responsible for being connected to one of 3 permutation and combination of 3 live wire terminals of a winding cable of a motor to be tested, the other group of switches are connected to the 5 th and 6 th two test terminals to detect whether motor braking is normal or not, specifically, the 1 st and 2 nd test terminals, the 2 nd and 3 rd test terminals and the 1 st and 3 rd test terminals are respectively bound through electrical contacts of the aviation plug 1 and are used for measuring resistance values of the three combinations; another set of switches is connected to the 5 th and 6 th test terminals to detect whether the motor braking function is normal, i.e. to detect whether a protective brake circuit for locking the motor output shaft in the event of a motor outlet fault is normal, a measurement technique for detecting whether the motor braking function is normal is known.
As shown in fig. 4 and 5, in operation, the measurement control mechanism 2 of the tool is matched with the male head and the female head on the aviation plug 1 at the front end to realize connection with the tested motor winding cable test terminals, the tested motor winding cable interface has six test terminals, the 1 st, 2 nd and 3 rd test terminals are fire wire terminals, the 4 th test terminal is a ground wire terminal, the 5 th and 6 th test terminals are motor brake function test terminals, and when the resistance value of the winding is measured, the resistance values of the three combinations of the test terminals 1 and 2, 2 and 3, and 1 and 3 are required to be measured respectively. 4 buttons of an associated switch 4 on the measurement control mechanism are electrically connected through an aviation plug 1, test terminals 1 and 2 are bound on a switch controlled by the button 1, test terminals 1 and 3 are bound on a switch controlled by the button 2, and test terminals 2 and 3 are bound on a switch controlled by the button 3, so that the arrangement and combination measurement of the tested motor winding cable interface test terminals is realized. In addition, the other button 4 of the associated switch 4 is used for binding motor braking function test terminals 5 and 6 to measure the brake circuit of the motor. The resistance test port 3 at the rear end of the tool is connected with a multimeter pen. When the data is needed to be measured, the related combined data can be obtained by pressing the buttons on the tool in sequence. Through the operation, the display resistance number of the universal meter can be directly read, and the risks of unstable reading and damage to an equipment interface caused by poor contact during switching of meter pens are avoided.
The rapid detection device for the resistance value of the motor winding has ingenious structure, can realize the arrangement and combination measurement of the cable interface terminals of the motor winding to be detected by using the associated switch, realizes the function of on-line switching port combination, simplifies the operation flow, shortens the test time, is easy to operate by post personnel, and greatly improves the test efficiency; the electrical connection mode of the universal meter greatly increases the contact surface compared with the previous point contact mode, avoids the scratch risk of the equipment interface, also avoids the unstable risk of reading caused by switching the meter pen to contact the tested interface terminal, has wide application range and strong practicability, and is worthy of popularization.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (2)
1. The motor winding resistance rapid detection device is used for measuring the resistance of a motor winding and is characterized by comprising an aviation plug at the front end and a measurement control mechanism at the rear end, wherein a female head or a male head of the aviation plug is electrically connected with the measurement control mechanism and is fixed on the measurement control mechanism, the other head of the aviation plug is correspondingly connected with test terminals on a test interface of a tested motor winding cable one by one through a plurality of electrical contacts to realize the electrical connection of each test terminal and the measurement control mechanism, and the tested motor winding cable test interface comprises a 1 st test terminal, a2 nd test terminal, a3 rd test terminal and a 4 th test terminal, wherein the 1 st test terminal, the 2 nd test terminal and the 3 rd test terminal are fire wire terminals, and the 4 th test terminal is a ground wire terminal; the rear end of the measurement control mechanism is also provided with a group of resistance test ports which are used for being connected with the anode and the cathode of the universal meter pen; the measuring control mechanism is provided with associated switches with at least three groups of switches, the resistance test ports are respectively and electrically connected to the groups of switches, each group of switches is controlled by a button, wherein the three groups of switches are respectively responsible for being connected to one of 3 permutation and combination of 3 live wire terminals of a winding cable of a tested motor, specifically, the 1 st test terminal, the 2 nd test terminal, the 3 rd test terminal and the 1 st test terminal are respectively bound through an electric contact of an aviation plug, so that the resistance of the three combinations is measured.
2. The rapid motor winding resistance detection device according to claim 1, wherein the tested motor winding cable test interface further comprises a 5 th test terminal and a 6 th test terminal, and the 5 th test terminal and the 6 th test terminal are motor brake function test terminals; the measuring control mechanism is provided with an associated switch with 4 groups of switches, and the other group of switches are used for being connected to the 5 th and 6 th two test terminals to detect whether the motor braking function is normal or not, namely, whether a protective brake circuit used for locking a motor output shaft when the motor is out of line fault is normal or not, except for three groups of switches which are respectively responsible for one of 3 arrangements and combinations of 3 live wire terminals connected to a tested motor winding cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493373.4U CN220894414U (en) | 2023-09-14 | 2023-09-14 | Motor winding resistance quick detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493373.4U CN220894414U (en) | 2023-09-14 | 2023-09-14 | Motor winding resistance quick detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220894414U true CN220894414U (en) | 2024-05-03 |
Family
ID=90843308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322493373.4U Active CN220894414U (en) | 2023-09-14 | 2023-09-14 | Motor winding resistance quick detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220894414U (en) |
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2023
- 2023-09-14 CN CN202322493373.4U patent/CN220894414U/en active Active
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