CN208890578U - A kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device - Google Patents
A kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device Download PDFInfo
- Publication number
- CN208890578U CN208890578U CN201821191206.7U CN201821191206U CN208890578U CN 208890578 U CN208890578 U CN 208890578U CN 201821191206 U CN201821191206 U CN 201821191206U CN 208890578 U CN208890578 U CN 208890578U
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- Prior art keywords
- limit card
- mainframe box
- maintenance door
- asynchionous
- phase
- Prior art date
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 14
- 238000012423 maintenance Methods 0.000 claims abstract description 30
- 238000003466 welding Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 230000008439 repair process Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor devices, including limit card slot, variable-frequency governor, dowel and limit card block, the variable-frequency governor to be made of mainframe box and maintenance door, and the maintenance door is arranged at mainframe box back.Variable-frequency governor can be quickly installed in the link block at the top of threephase asynchronous by the connection of limit card slot and limit card block, and fixation can be completed by dowel, the installation and removal of variable-frequency governor are made all to become extremely easy, and total very simple, production cost is extremely low, and the speed of enterprise's production is greatly promoted；By the way that maintenance door is arranged, and connection threephase asynchronous is removed using maintenance door as medium, it can realize and replacement is repaired to the electrical component inside mainframe box, so that the maintenance use of whole equipment becomes very convenient by the overturning of mainframe box in the case where not removing governor.
Description
Technical field
The utility model belongs to motor technology field, and in particular to a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device.
Background technique
Variable-frequency governor is that power frequency supply (50Hz or 60Hz) is transformed into the AC power source of various frequencies, to realize motor
Variable-speed operation equipment, wherein control circuit completes control to main circuit, rectification circuit by convert alternating current at direct current,
Direct-flow intermediate circuit carries out smothing filtering to the output of rectification circuit, and inverter circuit is by direct current another mistake at alternating current.In addition, it
Also there is the miscellaneous function for changing alternating current voltage.Past, variable-frequency governor are typically contained within motor generator, rotation conversion
In the electrical equipments such as device.With the appearance of semiconductor electronic device, people can produce completely self-contained variable-frequency governor.
For the frequency converter for needing a large amount of operations such as vector-control frequency converter, a progress torque calculation is also needed sometimes
CPU and some corresponding circuits.Frequency control is to reach the mesh of speed regulation by changing the frequency of motor stator winding power supply
's.The classification of license-master's circuit working method, can be divided into voltage frequency converter and current-mode converter;Classify according to on-off mode,
PAM control frequency converter, pwm cycloconverter and high carrier frequency pwm cycloconverter can be divided into；According to purpose classification, Ke Yifen
For universal frequency converter, high-performance special converter, high-frequency converter, single-phase frequency converter and three phase converter etc..
The frequency converter of the prior art has the following problems: 1, variable-frequency governor is fixed on by fastening screw mostly
In the mounting groove of the top of threephase asynchronous, which causes the installation and removal of variable-frequency governor all inconvenient；2, become
Frequency governor, which need to disassemble shell when repairing, to be come, inconvenient for operation, is wasted time.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of threephase asynchronous frequency conversion
Speed regulation device, have the characteristics that it is easy for installation, be easy to overhaul.
To achieve the above object, the utility model provides the following technical solutions: a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor
Device, including limit card slot, variable-frequency governor, dowel and limit card block, the variable-frequency governor is by mainframe box and maintenance door
Composition, the maintenance door setting are provided with fixed hinge, institute between mainframe box back, the maintenance door and the side of mainframe box
It states and fixed lock is installed between maintenance door and the other side of mainframe box, symmetrical dissipate is provided at the top of the mainframe box
Heat fan, the two sides of the mainframe box are equipped with symmetrical radiating groove, and the front of the mainframe box is provided with control panel, institute
It states and is provided with power switch and adjusting knob below control panel, the power switch is mounted on the side of adjusting knob, institute
It states and is provided with symmetrical limit card slot in maintenance door, the limit card slot is internally provided with limit card block, the limit
Dowel is connected between card slot and limit card block, the limit card block is mounted on the top of connecting plate, the bottom of the connecting plate
Portion is provided with threephase asynchronous.
Preferably, the maintenance door is rotatablely connected by fixed hinge and mainframe box.
Preferably, the radiating groove is an integral structure with mainframe box.
Preferably, the connection type of the connecting plate and threephase asynchronous is welding.
Preferably, the connection type of the limit card slot and limit card block is embedded connection.
Preferably, it is provided with through-hole in the limit card slot and limit card block, dowel is connected by through-hole and limited
Position card slot and limit card block.
Compared with prior art, the utility model has the beneficial effects that
1, variable-frequency governor can be quickly installed to three-phase by the connection of limit card slot and limit card block by the utility model
In link block at the top of asynchronous motor, and fixation can be completed by dowel, makes the installation and removal of variable-frequency governor all
Become extremely easy, and total very simple, production cost is extremely low, and the speed of enterprise's production is greatly promoted.
2, the utility model removes connection threephase asynchronous by setting maintenance door, and using maintenance door as medium,
In the case where governor not being removed can by the overturning of mainframe box, realize to the electrical component inside mainframe box into
Row maintenance replacement, so that the maintenance use of whole equipment becomes very convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the scheme of installation of the utility model；
Fig. 3 is schematic enlarged-scale view at the A of the utility model；
In figure: 1, limit card slot；2, mainframe box；3, control panel；4, variable-frequency governor；5, power switch；6, heat emission fan；
7, maintenance door；8, radiating groove；9, adjusting knob；10, fixed hinge；11, connecting plate；12, fixed lock；13, phase asynchronous electricity
Motivation；14, dowel；15, limit card block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model is the following technical schemes are provided: a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor fills
It sets, including limit card slot 1, variable-frequency governor 4, dowel 14 and limit card block 15, variable-frequency governor 4 is by mainframe box 2 and maintenance
Door 7 forms, and the setting of maintenance door 7 is rotatablely connected in 2 back of mainframe box, maintenance door 7 by fixed hinge 10 and mainframe box 2, maintenance
It is provided with fixed hinge 10 between door 7 and the side of mainframe box 2, fixation is installed between maintenance door 7 and the other side of mainframe box 2
Lock 12, the top of mainframe box 2 is provided with symmetrical heat emission fan 6, and the two sides of mainframe box 2 are equipped with symmetrical heat dissipation
Slot 8, radiating groove 8 are an integral structure with mainframe box 2, and the front of mainframe box 2 is provided with control panel 3, the lower section of control panel 3
It is provided with power switch 5 and adjusting knob 9, power switch 5 is mounted on the side of adjusting knob 9, is provided in maintenance door 7 mutually
Symmetrical limit card slot 1, limit card slot 1 are internally provided with limit card block 15, the connection side of limit card slot 1 and limit card block 15
Formula is embedded connection, is connected with dowel 14 between limit card slot 1 and limit card block 15, in limit card slot 1 and limit card block 15
It is provided with and passes through, dowel 14 connects limit card slot 1 and limit card block 15, limit card slot 1 and limit card block 15 by through-hole
It is inside provided with through-hole, dowel 14 connects limit card slot 1 by through-hole and limit card block 15, limit card block 15 are mounted on connection
The top of plate 11, the bottom of connecting plate 11 are provided with threephase asynchronous 13, connecting plate 11 and threephase asynchronous 13
Connection type is welding.
The working principle and process for using of the utility model: the utility model by the limit card slot 1 of 7 behind of maintenance door with
The limit card block 15 of the top of connecting plate 11 engages the top that variable-frequency governor 4 is mounted on to connecting plate 11, with turning over mainframe box 2
Turn over, between limit card slot 1 and limit card block 15 connect dowel 14, then by mainframe box 2 close the top of maintenance door 7 simultaneously
It is lockked with fixed lock 12, the variable-frequency governor 4 made is stably fixed to the top of connecting plate 11, even if threephase asynchronous
Shake is generated when 13 running will not influence the use of variable-frequency governor 4, when the inside of variable-frequency governor 4 is broken down,
Need to only open fixed lock 12 and by mainframe box 2 by fixed hinge 10 rotate come can to the component inside mainframe box 2 into
Row maintenance.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device, including limit card slot (1), variable-frequency governor (4), dowel are sub (14)
With limit card block (15), it is characterised in that: the variable-frequency governor (4) is made of mainframe box (2) and maintenance door (7), the inspection
It repairs door (7) setting and is provided with fixed hinge between mainframe box (2) back, the maintenance door (7) and the side of mainframe box (2)
(10), fixed lock (12), the top of the mainframe box (2) are installed between the maintenance door (7) and the other side of mainframe box (2)
Portion is provided with symmetrical heat emission fan (6), and the two sides of the mainframe box (2) are equipped with symmetrical radiating groove (8), described
The front of mainframe box (2) is provided with control panel (3), and power switch (5) is provided with below the control panel (3) and is adjusted
Knob (9), the power switch (5) are mounted on the side of adjusting knob (9), are provided on the maintenance door (7) symmetrically
Limit card slot (1), the limit card slot (1) is internally provided with limit card block (15), the limit card slot (1) and limiting card
It is sub (14) that dowel is connected between block (15), the limit card block (15) is mounted on the top of connecting plate (11), the connecting plate
(11) bottom is provided with threephase asynchronous (13).
2. a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device according to claim 1, it is characterised in that: the maintenance door
(7) it is rotatablely connected by fixed hinge (10) and mainframe box (2).
3. a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device according to claim 1, it is characterised in that: the radiating groove
(8) it is an integral structure with mainframe box (2).
4. a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device according to claim 1, it is characterised in that: the connecting plate
It (11) is welding with the connection type of threephase asynchronous (13).
5. a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device according to claim 1, it is characterised in that: the limiting card
The connection type of slot (1) and limit card block (15) is embedded connection.
6. a kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device according to claim 1, it is characterised in that: the limiting card
Through-hole is provided in slot (1) and limit card block (15), the dowel (14) is by through-hole connection limit card slot (1) and limits
Fixture block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191206.7U CN208890578U (en) | 2018-07-26 | 2018-07-26 | A kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191206.7U CN208890578U (en) | 2018-07-26 | 2018-07-26 | A kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208890578U true CN208890578U (en) | 2019-05-21 |
Family
ID=66507495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821191206.7U Expired - Fee Related CN208890578U (en) | 2018-07-26 | 2018-07-26 | A kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208890578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777534A (en) * | 2018-07-26 | 2018-11-09 | 江苏华源防爆电机有限公司 | A kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device |
-
2018
- 2018-07-26 CN CN201821191206.7U patent/CN208890578U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777534A (en) * | 2018-07-26 | 2018-11-09 | 江苏华源防爆电机有限公司 | A kind of Speed Regulation by Changing Frequency on Three phase Asynchionous Motor device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 |