CN206892206U - A kind of frequency converter Special testing device - Google Patents
A kind of frequency converter Special testing device Download PDFInfo
- Publication number
- CN206892206U CN206892206U CN201720071675.4U CN201720071675U CN206892206U CN 206892206 U CN206892206 U CN 206892206U CN 201720071675 U CN201720071675 U CN 201720071675U CN 206892206 U CN206892206 U CN 206892206U
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- China
- Prior art keywords
- connector lugs
- frequency converter
- connector
- box body
- lugs
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of frequency converter Special testing device,Including test box body,Frequency converter, which is provided with, at the top center of test box body puts groove,The side of test box body is provided with control panel,The side that frequency converter puts groove is provided with warning lamp,Frequency converter, which is put, is provided with R connector lugs on the side inwall of groove,The side of R connector lugs is provided with S connector lugs,The side of S connector lugs is provided with T connector lugs,R connector lugs,Voltage sensor is mounted on S connector lugs and T connector lugs,Frequency converter, which is put, is provided with U connector lugs on the opposite side inwall of groove,The side of U connector lugs is provided with V connector lugs,The side of V connector lugs is provided with W connector lugs,Test circuit plate is arranged on the inside of test box body,The side of test circuit plate is provided with several motors,This kind of frequency converter Special testing device,Circuit is simple,Debugging is convenient,With accurate,It is stable,The features such as reaction speed is fast.
Description
Technical field
Industrial production technology field is the utility model is related to, specially a kind of frequency converter Special testing device.
Background technology
Frequency converter (Variable-frequency Drive, VFD) is to apply converter technique and microelectric technique, by changing
Become motor working power Frequency Patterns to control the electric control appliance of ac motor.Mainly by rectification, (exchange becomes frequency converter
Direct current), filtering, inversion (direct current become exchange), brake unit, driver element, the composition such as detection unit microprocessing unit.Frequency converter
IGBT cut-offs to adjust the voltage of out-put supply and frequency close to the inner portion, according to being actually needed come required for providing it for motor
Supply voltage, and then save, the purpose of speed governing, in addition, frequency converter also has many defencive functions, such as excessively stream, overvoltage, mistake
Carry protection etc..With the continuous improvement of industrial automatization, frequency converter has also obtained very extensive application.Frequency converter
U, the stability of V, W three-phase output voltage value has a great impact to the performance of frequency converter.
The test of existing U, V, W three-phase output voltage value uses manual measurement, and testing efficiency is relatively low, error is big.
Utility model content
The purpose of this utility model is to provide a kind of frequency converter Special testing device, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：A kind of frequency converter Special testing device, including
Test box body, the side of the test box body are connected by wire with attaching plug, in the top of the test box body
Frequency converter is provided with the heart and puts groove, the side of the test box body is provided with control panel, and the control panel is by showing
Screen, control button, indicator lamp and singlechip group are into the side that the frequency converter puts groove is provided with warning lamp, the frequency converter
Put and R connector lugs are installed on the side inwall of groove, the side of the R connector lugs is provided with S connector lugs, the S connector lugs
Side is provided with T connector lugs, is mounted on voltage sensor on the R connector lugs, the S connector lugs and the T connector lugs, institute
State frequency converter and put and U connector lugs are installed on the opposite side inwall of groove, the side of the U connector lugs is provided with V connector lugs, described
The side of V connector lugs is provided with W connector lugs, and the inside of the test box body is provided with transformer, the U connector lugs, the V
Connector lug and the W connector lugs are connected by the first connecting line with test circuit plate, and the test circuit plate is arranged on described
The inside of test box body, the side of the test circuit plate are provided with several motors, are provided with the test circuit plate
Sample circuit, double-limit comparator, light-emitting caution circuit, nor gate and control circuit, the control circuit is by promotion level, relay
Circuit forms.
Further, the display screen, control button, indicator lamp, voltage sensor, transformer, test circuit plate and electricity
Machine is electrically connected with single-chip microcomputer, and the single-chip microcomputer is a kind of ATS single-chip microcomputers.
Further, the motor is connected by the second connecting line with test circuit plate, is installed on second connecting line
There is inductive switch, the inductive switch is electrically connected with single-chip microcomputer.
Further, the top of the S connector lugs, T connector lugs, R connector lugs, U connector lugs, V connector lugs and W connector lugs is equal
Connection clamp is installed.
Further, the control panel is flexibly connected with test box body by bolt.
Compared with prior art, the beneficial effects of the utility model are：This kind of frequency converter Special testing device, passes through manipulation
Control panel adjusts transformer to change voltage, it is met the use voltage of test frequency converter, greatly promotes detection and set
Standby practicality, voltage sensor is easy to monitoring S connector lugs in real time, T connector lugs, the output voltage values on R connector lugs, and will receive
The signal of collection passes to single-chip microcomputer, is delivered to display screen display after single-chip microcomputer processing, is easy to user's real time inspection, prevents electricity
Pressure value is not inconsistent with test frequency converter and causes test frequency converter to damage, by S connector lugs, T connector lugs, R connector lugs, U connector lugs, V
Connector lug and W connector lugs correspond to respectively to be linked into test transformer, is turned on the power, when U, V, W three-phase output voltage value occur
When phase shortage, three-phase imbalance, the warning lamp on control circuit control light-emitting caution circuit lights, lifting tester's note
Meaning, the test frequency converter is faulty, makes single-chip microcomputer control inductive switch to beat when testing fault-free, then by manipulating control panel
Open, drive motor operation, with test frequency converter's load running situation, this kind of frequency converter Special testing device, circuit is simple, debugging
It is convenient, have the characteristics that accurately, stably, reaction speed it is fast.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is whole interior structural representation of the present utility model；
Fig. 3 is operation principle frame diagram of the present utility model；
Fig. 4 is operation principle circuit diagram of the present utility model；
In reference：1- test box bodies；2- attaching plugs；3- control panels；4- voltage sensors；5-S connector lugs；
6- warning lamps；7- frequency converters put groove；8-T connector lugs；9-R connector lugs；10- transformers；11-U connector lugs；12- test circuits
Plate；13- motors；14-V connector lugs；15-W connector lugs；16- sample circuits；17- double-limit comparators；18- light-emitting caution circuits；
19- nor gates；20- control circuits.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of frequency converter Special testing device, including survey
Case body 1 is tried, the side of test box body 1 is connected by wire with attaching plug 2, is set at the top center of test box body 1
It is equipped with frequency converter and puts groove 7, the side of test box body 1 is provided with control panel 3, and control panel 3 is pressed by display screen, control
Button, indicator lamp and singlechip group are into the side that frequency converter puts groove 7 is provided with warning lamp 6, and frequency converter is put in the side of groove 7
R connector lugs 9 are installed on wall, the side of R connector lugs 9 is provided with S connector lugs 5, and the side of S connector lugs 5 is provided with T connector lugs 8,
Voltage sensor 4 is mounted on R connector lugs 9, S connector lugs 5 and T connector lugs 8, frequency converter is put on the opposite side inwall of groove 7
U connector lugs 11 are installed, the side of U connector lugs 11 is provided with V connector lugs 14, and the side of V connector lugs 14 is provided with W connector lugs
15, the inside of test box body 1 is provided with transformer 10, and U connector lugs 11, V connector lugs 14 and W connector lugs 15 connect by first
Wiring is connected with test circuit plate 12, and test circuit plate 12 is arranged on the inside of test box body 1, the side of test circuit plate 12
Several motors 13 are installed, sample circuit 16, double-limit comparator 17, light-emitting caution circuit are installed on test circuit plate 12
18th, nor gate 19 and control circuit 20, control circuit are made up of promotion level, relay circuit.
Further, the display screen, control button, indicator lamp, voltage sensor 4, transformer 10, test circuit plate 12
It is electrically connected with motor 13 with single-chip microcomputer, the single-chip microcomputer is a kind of AT89S51 single-chip microcomputers, is easy to the transmission of signal,
AT89S51 single-chip microcomputers have low-power consumption and high performance feature.
Further, the motor 13 is connected by the second connecting line with test circuit plate 12, on second connecting line
Inductive switch is installed, the inductive switch is electrically connected with single-chip microcomputer, is easy to the operation of controlled motor 13.
Further, the S connector lugs 5, T connector lugs 8, R connector lugs 9, U connector lugs 11, V connector lugs 14 and W connector lugs
15 top is mounted on connection clamp, is easy to wiring, easy to use.
Further, the control panel 3 is flexibly connected with test box body 1 by bolt, easy to disassemble, is advantageous to control
The maintenance of panel 3 processed.
Operation principle：During work, transformer 10 is adjusted to change voltage by manipulating control panel 3, meets it
The practicality for using voltage, greatly promoting detection device of test frequency converter, voltage sensor 4 are easy to monitor S connector lugs in real time
5th, T connector lugs 8, the output voltage values on R connector lugs 9, and the signal of collection is passed into single-chip microcomputer, transmitted after single-chip microcomputer processing
To display screen display, it is easy to user's real time inspection, prevents magnitude of voltage not to be inconsistent with test frequency converter and cause test frequency converter
Damage, S connector lugs 5, T connector lugs 8, R connector lugs 9, U connector lugs 11, V connector lugs 14 and W connector lugs 15 are corresponded into access respectively
Onto test transformer, turn on the power, when there is phase shortage, three-phase imbalance in U, V, W three-phase output voltage value, control
Circuit 20 controls the warning lamp 6 on light-emitting caution circuit 18 to light, and lifting tester notices that the test frequency converter is faulty,
Single-chip microcomputer is set to control inductive switch to open when testing fault-free, then by manipulating control panel 3, drive motor 13 is run, with
Test frequency converter's load running situation, this kind of frequency converter Special testing device, circuit is simple, and debugging is convenient, has accurate, steady
Calmly, the features such as reaction speed is fast.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of frequency converter Special testing device, including test box body (1), it is characterised in that：The test box body (1)
Side is connected by wire with attaching plug (2), and being provided with frequency converter at the top center of the test box body (1) puts groove
(7), the side of the test box body (1) is provided with control panel (3), and the control panel (3) is pressed by display screen, control
Button, indicator lamp and singlechip group are into the side that the frequency converter puts groove (7) is provided with warning lamp (6), and the frequency converter is put
R connector lugs (9) are installed, the side of the R connector lugs (9) is provided with S connector lugs (5), the S on the side inwall of groove (7)
The side of connector lug (5) is provided with T connector lugs (8), the R connector lugs (9), the S connector lugs (5) and the T connector lugs (8)
On be mounted on voltage sensor (4), the frequency converter, which is put, is provided with U connector lugs (11), institute on the opposite side inwall of groove (7)
The side for stating U connector lugs (11) is provided with V connector lugs (14), and the side of the V connector lugs (14) is provided with W connector lugs (15),
The inside of the test box body (1) is provided with transformer (10), the U connector lugs (11), V connector lugs (14) and described
W connector lugs (15) are connected by the first connecting line with test circuit plate (12), and the test circuit plate (12) is arranged on described
The inside of test box body (1), the side of the test circuit plate (12) are provided with several motors (13), the test circuit
Sample circuit (16), double-limit comparator (17), light-emitting caution circuit (18), nor gate (19) and control electricity are installed on plate (12)
Road (20), the control circuit are made up of promotion level, relay circuit.
A kind of 2. frequency converter Special testing device according to claim 1, it is characterised in that：The display screen, control are pressed
Button, indicator lamp, voltage sensor (4), transformer (10), test circuit plate (12) and motor (13) electrically connect with single-chip microcomputer
Connect, the single-chip microcomputer is a kind of AT89S51 single-chip microcomputers.
A kind of 3. frequency converter Special testing device according to claim 1, it is characterised in that：The motor (13) passes through
Two connecting lines are connected with test circuit plate (12), and inductive switch, the inductive switch and list are provided with second connecting line
Piece machine is electrically connected with.
A kind of 4. frequency converter Special testing device according to claim 1, it is characterised in that：The S connector lugs (5), T connect
The end of a thread (8), R connector lugs (9), U connector lugs (11), the top of V connector lugs (14) and W connector lugs (15) are mounted on binding clip
Son.
A kind of 5. frequency converter Special testing device according to claim 1, it is characterised in that：The control panel (3) with
Test box body (1) is flexibly connected by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720071675.4U CN206892206U (en) | 2017-01-19 | 2017-01-19 | A kind of frequency converter Special testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720071675.4U CN206892206U (en) | 2017-01-19 | 2017-01-19 | A kind of frequency converter Special testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206892206U true CN206892206U (en) | 2018-01-16 |
Family
ID=61328311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720071675.4U Expired - Fee Related CN206892206U (en) | 2017-01-19 | 2017-01-19 | A kind of frequency converter Special testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206892206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061336A (en) * | 2018-06-28 | 2018-12-21 | 无锡中誉东莲电气技术有限公司 | A kind of frequency converter velocity control accuracy detection device |
| CN113064039A (en) * | 2021-05-07 | 2021-07-02 | 河南师范大学 | Assembled intelligent tool for high-voltage test of frequency converter |
-
2017
- 2017-01-19 CN CN201720071675.4U patent/CN206892206U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061336A (en) * | 2018-06-28 | 2018-12-21 | 无锡中誉东莲电气技术有限公司 | A kind of frequency converter velocity control accuracy detection device |
| CN113064039A (en) * | 2021-05-07 | 2021-07-02 | 河南师范大学 | Assembled intelligent tool for high-voltage test of frequency converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20210119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |