CN219434998U - Comprehensive protection check table for loop of piezoelectric motor - Google Patents
Comprehensive protection check table for loop of piezoelectric motor Download PDFInfo
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- CN219434998U CN219434998U CN202223144621.6U CN202223144621U CN219434998U CN 219434998 U CN219434998 U CN 219434998U CN 202223144621 U CN202223144621 U CN 202223144621U CN 219434998 U CN219434998 U CN 219434998U
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Abstract
The utility model discloses a comprehensive protection and verification table for a circuit of a low-voltage motor, which comprises a comprehensive protection and verification device of the low-voltage motor, a timer and a voltage regulator, wherein the comprehensive protection and verification device of the low-voltage motor is connected with a first input end and a first output end of a drawer cabinet of the low-voltage motor to be tested through a first quick inserting wiring terminal; the intelligent control system also comprises an upper computer, wherein three input and output ends of the upper computer are respectively connected with a voltage regulator, a timer and input and output equipment. The utility model can rapidly and accurately detect the function of the comprehensive protection device of the circuit of the motor.
Description
Technical Field
The utility model relates to the technical field of comprehensive protection device detection and verification, in particular to a comprehensive protection verification table for a circuit of a piezoelectric motor.
Background
The performance of the 380V integrated protection device for the low-voltage motor must be tested in detail before the integrated protection device is put into service, wherein the testing includes monitoring voltage and current signals of normal operation and faults of the 380V low-voltage motor; and the related input and output relay action logic and action signals set by the comprehensive protection device of the low-voltage motor.
At present, electric operation and maintenance personnel need to regularly develop a 380V motor loop comprehensive protection device test by a related technical means; at present, three major manufacturers of protection devices of Suzhou Wanlong, shanghai Hua Jian and Beijing Beidou Galaxy are adopted for comprehensive protection of the domestic low-voltage motor, and when electric operation and maintenance personnel carry out relevant comprehensive protection checking work, the following problems are solved in loop checking and checking: 1. the comprehensive protection device is used for detecting offline, and can not detect whether the secondary control loop linkage of the motor is perfect and correct; 2. the low-voltage drawer loop detection is carried out, and the problems of complex test wiring, difficult recovery and long detection time exist by applying test current and voltage to simulate operation and faults.
The utility model comprises the following steps:
in order to overcome the defects of the background technology, the utility model provides a comprehensive protection checking table for a circuit of a low-voltage motor, which can rapidly and accurately detect the comprehensive protection device function of the circuit of the low-voltage motor.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the low-voltage motor loop comprehensive protection checking platform comprises a low-voltage motor comprehensive protection checking device, a timer and a voltage regulator, wherein the low-voltage motor comprehensive protection checking device is connected with a first input end and a first output end of a low-voltage motor drawer cabinet to be tested through a first quick inserting wiring terminal; the intelligent control system also comprises an upper computer, wherein three input and output ends of the upper computer are respectively connected with a voltage regulator, a timer and input and output equipment.
Preferably, the power supply device is connected to the mains supply, and the output end of the power supply device is connected to the input and output equipment, the upper computer and the power input end of the voltage regulator respectively.
Preferably, the input output device includes a display screen, an indicator light, and a keyboard.
Preferably, the comprehensive protection checking device of the low-voltage motor is a relay protection tester.
Preferably, the model of the relay protection tester is DT802.
The utility model has the beneficial effects that: the full-protection function of the 380V piezoelectric power distribution loop can be replaced by the detection of the traditional microcomputer protection table; the comprehensive protection checking table device for the loop of the low-voltage motor can be freely combined and installed conveniently according to different equipment of various factories on site, and the related detection function of the comprehensive protection checking table device is realized.
Drawings
Figure 1 is a schematic structural diagram of an embodiment of the present utility model,
figure 2 is a schematic diagram of the front appearance of the quick-insert terminal according to an embodiment of the present utility model,
figure 3 is a schematic side view of a quick-insert terminal according to an embodiment of the present utility model,
fig. 4 is a schematic view of the back appearance of the quick-inserting connection terminal according to the embodiment of the utility model.
In the figure: 1-comprehensive protection and verification device for a low-voltage motor, 2.1-first quick inserting wiring terminals, 2.2-second quick inserting wiring terminals, 2.3-third quick inserting wiring terminals, 3-low-voltage motor drawer cabinet to be tested, 4-voltage regulator, 5-upper computer, 6-input and output equipment, 7-power supply device and 8-timer.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
The utility model provides a low-voltage motor loop comprehensive protection check-up table, including low-voltage motor comprehensive protection check-up device 1, time-recorder 8 and voltage regulator 4, low-voltage motor comprehensive protection check-up device 1 is connected in the first input and the first output of low-voltage motor drawer cabinet 3 to be tested through first quick insert binding post 2.1, time-recorder 8 is connected in the second input and the second output of low-voltage motor drawer cabinet 3 to be tested through second quick insert binding post 2.2, voltage regulator 4 is connected in the third input of low-voltage motor drawer cabinet 3 to be tested through third quick insert binding post 2.3; the intelligent control system also comprises an upper computer 5, and three input and output ends of the upper computer 5 are respectively connected with a voltage regulator 4, a timer 8 and input and output equipment 6.
The embodiment also comprises a power supply device 7 connected to the commercial power, wherein the output end of the power supply device 7 is respectively connected with the input and output equipment 6, the upper computer 5 and the power input end of the voltage regulator 4.
The input and output equipment 6 comprises a display screen, an indicator light and a keyboard, the low-voltage motor comprehensive protection checking device 1 is a relay protection tester, and the model of the relay protection tester is DT802.
When the use method of the embodiment is divided into the verification of the low-voltage comprehensive protection device, whether the comprehensive protection is normal or not is judged by simulating the operation, fault current and voltage of the field device; the secondary control loop of the drawer cabinet of the low-voltage motor is inspected by connecting the control button and the indicator lamp outside.
In the comprehensive protection and verification work of the low-voltage motor, the comprehensive protection and verification table device of the low-voltage motor loop can be used for rapidly and comprehensively detecting according to different manufacturer equipment, so that comprehensive simulation and detection of the control and comprehensive protection and verification work of the low-voltage motor loop can be achieved. The control power supply of the equipment power supply device 7 and the drawer cabinet 3 of the to-be-tested motor is realized through an external power supply (380V/220V); connecting each quick plug wiring terminal with the low-voltage motor drawer cabinet 3 to be detected according to the actual on-site, wiring the external input and output terminals of the low-voltage motor drawer cabinet 3 to be detected, and connecting the low-voltage motor comprehensive protection checking device 1 with a comprehensive protection checking table of a low-voltage motor loop; and then the external control buttons and signal indicator lamps of the input and output equipment 6 simulate the on-site starting and running process of the low-voltage motor drawer cabinet 3 to be tested, the upper computer 5 is operated through the input and output equipment 6, the voltage regulator 4 is further controlled, the alternating-current adjustable voltage and current source output electric U, I variable quantity is realized, the running condition of the low-voltage motor loop comprehensive protection device to be tested for collecting and operating signals is checked and judged, after the output relay of the low-voltage comprehensive protection device reaches the operating condition, the counting condition of the timer 8 is fed back, and finally the test operation detection time is fed back to the indicator lamps or the display of the input and output device for displaying.
At present, the wiring and the input and output wiring modes of the internal elements designed by different motor drawer cabinets are considered to be different; the on-site debugging and inspection conditions are realized and met by fast plugging and unplugging the wiring terminal; through standardized classification and approval work, writing related inspection wiring instruction books, so that maintenance and test staff can quickly perform simulation test wiring and complete the inspection work comprehensively through a low-voltage comprehensive protection check table. The quick-change coupler can be removed after field inspection and debugging is completed, and the normal operation mode can be restored.
The embodiment utilizes the input and output of the low-voltage comprehensive protection device of various manufacturers to be connected with the bus interface of the external secondary terminal strip, so as to realize the function of quick plug and pull connection of comprehensive protection verification of the circuit of the motor; the integrated movable complete set of comprehensive protection and verification operation table for the motor loop. The full-protection function of the 380V piezoelectric power distribution loop detected by the traditional microcomputer protection table can be completely replaced; the comprehensive protection checking table device for the loop of the low-voltage motor can be freely combined and installed conveniently according to different equipment of various factories on site, and the related detection function of the comprehensive protection checking table device is realized.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (5)
1. The utility model provides a check-up platform is protected to low-voltage motor return circuit comprehensive which characterized in that: the low-voltage motor comprehensive protection checking device (1), a timer (8) and a voltage regulator (4), wherein the low-voltage motor comprehensive protection checking device (1) is connected to a first input end and a first output end of a low-voltage motor drawer cabinet (3) to be tested through a first quick inserting wiring terminal (2.1), the timer (8) is connected to a second input end and a second output end of the low-voltage motor drawer cabinet (3) to be tested through a second quick inserting wiring terminal (2.2), and the voltage regulator (4) is connected to a third input end of the low-voltage motor drawer cabinet (3) to be tested through a third quick inserting wiring terminal (2.3); the intelligent control system further comprises an upper computer (5), wherein three input and output ends of the upper computer (5) are respectively connected with the voltage regulator (4), the timer (8) and the input and output equipment (6).
2. The comprehensive protection check stand for a motor loop of claim 1, wherein: the power supply device is characterized by further comprising a power supply device (7) connected to the mains supply, wherein the output end of the power supply device (7) is connected with the power input end of the input and output equipment (6), the upper computer (5) and the power input end of the voltage regulator (4) respectively.
3. The comprehensive protection check stand for a motor loop of claim 1, wherein: the input and output device (6) comprises a display screen, an indicator light and a keyboard.
4. The comprehensive protection check stand for a motor loop of claim 1, wherein: the comprehensive protection and verification device (1) of the low-voltage motor is a relay protection tester.
5. The comprehensive protection check stand for the motor loop of claim 4, wherein: the model of the relay protection tester is DT802.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223144621.6U CN219434998U (en) | 2022-11-25 | 2022-11-25 | Comprehensive protection check table for loop of piezoelectric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223144621.6U CN219434998U (en) | 2022-11-25 | 2022-11-25 | Comprehensive protection check table for loop of piezoelectric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219434998U true CN219434998U (en) | 2023-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223144621.6U Active CN219434998U (en) | 2022-11-25 | 2022-11-25 | Comprehensive protection check table for loop of piezoelectric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219434998U (en) |
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2022
- 2022-11-25 CN CN202223144621.6U patent/CN219434998U/en active Active
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