CN206524753U - A kind of frequency converter - Google Patents
A kind of frequency converter Download PDFInfo
- Publication number
- CN206524753U CN206524753U CN201720248772.6U CN201720248772U CN206524753U CN 206524753 U CN206524753 U CN 206524753U CN 201720248772 U CN201720248772 U CN 201720248772U CN 206524753 U CN206524753 U CN 206524753U
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- China
- Prior art keywords
- housing
- fixedly connected
- frequency converter
- inner bottom
- voltage
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Abstract
The utility model discloses a kind of frequency converter, including housing, the inner bottom center of the housing is provided with inverter, high power capacity electric capacity and piezo-resistance are sequentially provided with from top to bottom on the right side of the inner bottom of the housing, rectification unit is provided with front side of the inner bottom of the housing, voltage signal sensor and current signal sensor are sequentially provided with from right to left on rear side of the inner bottom of the housing, voltage transformer is sequentially provided with from top to bottom on the left of the inner bottom of the housing, current transformer, charging resistor and temperature sensor, provided with flat board of slipping through the net in the middle part of the inside of the housing, the frequency converter can realize shell radiating and internal heat dissipating, the protectiveness brought because operating temperature is too high is avoided to trip, enclosure interior temperature can be monitored in real time, the change of voltage and current, faults state and abort situation, play the real-time guard of variable voltage and variable current, greatly improve the operating efficiency of frequency converter.
Description
Technical field
The utility model is related to frequency converter technical field of electrical equipment, specially a kind of frequency converter.
Background technology
Frequency converter is to apply converter technique and microelectric technique, controls to hand over by changing motor working power Frequency Patterns
The electric control appliance of motor is flowed, frequency converter is the power inverter in kinetic control system, current kinetic control system
It is to include multi-disciplinary technical field, total development trend is:The exchange of driving, the high frequency of power inverter, control
Digitize, intelligent and networking, therefore, there is provided controllable high property as the important power conversion part of system for frequency converter
Can variable voltage variable frequency AC power and obtain fast development, experience about 30 years research and development and application practice, with Novel electric
The application of power electronic device and high-performance microprocessor, and control technology innovation, the development of frequency converter is determined to win, but existing
Nowadays at work, heat dissipation problem fails fine solution to frequency converter so far, and temperature is too high, causes frequency converter protectiveness to trip, and
Can not effective monitoring and faults shape for signal faults such as frequency converter emergent power unit overheat, under-voltage and over-voltage and over-currents
State and abort situation, it is impossible to which effective cut-out external high pressure realizes the function of protection circuit, uses and repair trouble.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect there is provided a kind of frequency converter, realizes that shell dissipates
Heat and internal heat dissipating, it is to avoid the protectiveness tripping operation brought because operating temperature is too high, the use to user is brought greatly just
Profit, and enclosure interior temperature, the change of voltage and current, faults state and abort situation can be monitored in real time, play
The real-time duplicate protection of variable voltage and variable current, the operating efficiency for improving frequency converter largely can effectively solve background skill
The problem of in art.
To achieve the above object, the utility model provides following technical scheme：A kind of frequency converter, including housing, the shell
The inner bottom center of body be provided with the right side of inverter, the inner bottom of the housing be sequentially provided with from top to bottom high power capacity electric capacity and
Be provided with front side of piezo-resistance, the inner bottom of the housing on rear side of rectification unit, the inner bottom of the housing from right to left according to
Secondary be provided with the left of voltage signal sensor and current signal sensor, the inner bottom of the housing is sequentially provided with electricity from top to bottom
Press in the middle part of transformer, current transformer, charging resistor and temperature sensor, the inside of the housing provided with flat board of slipping through the net, it is described
The slip through the net upper end of flat board is provided with cooler, and the gas outlet of the cooler is fixedly connected with one end of discharge pipe, the discharge pipe
The other end is connected with annular cooling conduit, and the outer surface of the annular cooling conduit is fixedly connected with the inwall of housing, and annular cooling conduit
Positioned at the upper end for flat board of slipping through the net.
As a kind of optimal technical scheme of the present utility model, the upper end of the housing is provided with induced-draught fan, the induced-draught fan
Gas outlet be fixedly connected with one end of wind conveying pipe, the other end of the wind conveying pipe through housing upper end inwall and with cooler
Air inlet is connected, and the air inlet of the induced-draught fan is fixedly connected with one end of U-tube, and the other end of the U-tube is fixedly connected with sky
The outlet of air filter, the upper end of the housing is provided with air cleaner, and the import of the air cleaner is fixedly connected with air intake
Pipe.
As a kind of optimal technical scheme of the present utility model, the rear end of the housing is arranged with through hole, the through hole
Hole in configuration connection annular gasket, and annular gasket height it is consistent with entire widths, the inner side of the annular gasket is symmetrically set
There are two diagonal braces, the top of the diagonal brace is fixedly connected with the side of motor, and the output shaft of the motor passes through connection
Axle device is fixedly connected with one end of rotating shaft, and the other end of the rotating shaft is fixedly connected with radiator fan, the radiator fan and air ring
Piece and through hole are correspondingly arranged, and screen pack is detachably connected on the outside of the through hole.
As a kind of optimal technical scheme of the present utility model, the left and right sides of the housing is arranged with two and changes wind
Mouthful, the inner side for changing air port is provided with air filter disc, and the outside for changing air port is provided with shutter, the air filter disc and blinds
There is gap in window.
As a kind of optimal technical scheme of the present utility model, the front side of the housing is provided with PLC, the PLC
The upper end of controller is provided with touch screen displays, and the right flank of the PLC is sequentially provided with temperature signal reception from top to bottom
Device, voltage signal receiver and current signal receiver, temperature signal receiver electrical connection temperature sensor, voltage signal are received
Device electrically connects voltage signal sensor, current signal receiver electrical connection current signal sensor, the PLC electrical connection
External power source, the inverter, rectification unit, high power capacity electric capacity, piezo-resistance, voltage transformer, current transformer, charging electricity
Resistance, cooler, induced-draught fan, air cleaner, motor, touch screen displays, temperature signal receiver, voltage signal receiver
PLC is electrically connected with current signal receiver.
Compared with prior art, the beneficial effects of the utility model are：This frequency converter, is regulated and controled by PLC, cooling
Device is operated, and realizes the air cooling being pumped into induced-draught fan, and annular cooling conduit increases and inner walls area, motor operating,
Output shaft rotation drives axis of rotation, to reach the rotation of radiator fan, accelerates air exchange and the flowing of enclosure interior gas,
Realize shell radiating and internal heat dissipating, it is to avoid the protectiveness tripping operation brought because operating temperature is too high, the use to user is brought
Great convenience, and temperature sensor monitors enclosure interior temperature signal in real time, and voltage signal sensor monitors electricity in real time
Signal, the real-time monitoring current signal of current signal sensor are pressed, enclosure interior temperature, the change of voltage and current can be monitored in real time
Change, faults state and abort situation, Voltage to current transducer can be in time suitable by voltage transformer summation current transformer
Value, charging resistor operating, can also play defencive function during start, play the real-time duplicate protection of variable voltage and variable current, largely
On the operating efficiency for improving frequency converter.
Brief description of the drawings
Fig. 1 is the utility model structure front schematic view；
Fig. 2 is the utility model texture edge schematic diagram；
Fig. 3 is the utility model structure housing internal cross section schematic diagram；
Fig. 4 is the utility model structure housing internal cross section schematic side view.
In figure：1 housing, 2 inverters, 3 rectification units, 4 high power capacity electric capacity, 5 piezo-resistances, 6 voltage signal sensors, 7
Current signal sensor, 8 voltage transformers, 9 current transformers, 10 charging resistors, 11 temperature sensors, 12 are slipped through the net flat board, 13
Cooler, 14 discharge pipes, 15 annular cooling conduits, 16 induced-draught fans, 17 wind conveying pipes, 18U types pipe, 19 air cleaners, 20 blast pipes,
Air port, 29 skies are changed in 21 through holes, 22 annular gaskets, 23 diagonal braces, 24 motors, 25 rotating shafts, 26 radiator fans, 27 screen packs, 28
Air filter piece, 30 shutters, 31PLC controllers, 32 touch screen displays, 33 temperature signal receivers, 34 voltage signal receivers, 35
Current signal receiver.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, 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, belongs 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, including housing 1, housing 1 is each
The normal operation of equipment provides place, and the inner bottom center of housing 1 is provided with inverter 2, and inverter 2 is brilliant by high power switch
Body pipe array constitutes electronic switch, by DC conversion into different frequency, width, amplitude square wave, the inner bottom of housing 1 is right
Side is sequentially provided with high power capacity electric capacity 4 and piezo-resistance 5 from top to bottom, and high power capacity electric capacity 4 is used to store the electric energy after conversion, pressure-sensitive
Resistance 5 plays overvoltage overtemperature protection, and resistance to thunderbolt is provided with rectification unit with installing on front side of testing requirement, the inner bottom of housing 1
3, the alternating current that working frequency is fixed is converted to direct current by rectification unit 3, on rear side of the inner bottom of housing 1 from right to left successively
Provided with voltage signal sensor 6 and current signal sensor 7, the real-time monitoring voltage signal of voltage signal sensor 6, current signal
It is mutual that voltage transformer 8, electric current are sequentially provided with from top to bottom on the left of the real-time monitoring current signal of sensor 7, the inner bottom of housing 1
Sensor 9, charging resistor 10 and temperature sensor 11, Voltage to current transducer can be in time by the summation current transformer 9 of mutual induction of voltage 8
Desired value, charging resistor 10 is operated, and can also play defencive function during start, plays the real-time duplicate protection of variable voltage and variable current, temperature
Spend in the middle part of the monitoring interior temperature signal of housing 1 in real time of sensor 11, the inside of housing 1 provided with slip through the net flat board 12, flat board 12 of slipping through the net
Play a supporting role, nor affect on the circulation of the inner air of housing 1, the upper end for flat board 12 of slipping through the net is provided with cooler 13, cooling
Device 13 is operated, and realizes the cooling to air, and the gas outlet of cooler 13 is fixedly connected with one end of discharge pipe 14, the air after cooling
Discharged through discharge pipe 14, the other end of discharge pipe 14 is connected with annular cooling conduit 15, the increase of annular cooling conduit 15 and the inwall of housing 1
Contact area, accelerate housing 1 in air cooling, the outer surface of annular cooling conduit 15 is fixedly connected with the inwall of housing 1, and ring
Shape cooling tube 15 is located at the upper end for flat board 12 of slipping through the net, and the upper end of housing 1 is provided with induced-draught fan 16, and induced-draught fan 16 is operated, will be extraneous empty
Gas is pumped into housing 1 to be cooled down for cooler 13, accelerates the inner air flow of housing 1, the gas outlet of induced-draught fan 16 is fixedly connected with defeated wind
One end of pipe 17, is pumped into the gas come and is delivered to by wind conveying pipe 17 in cooler 13, and the other end of wind conveying pipe 17 runs through housing 1
Upper end inwall and be connected with the air inlet of cooler 13, the air inlet of induced-draught fan 16 is fixedly connected with one end of U-tube 18, U-shaped
Pipe 18 plays a part of transmitting gas, and the other end of U-tube 18 is fixedly connected with the outlet of air cleaner 19, air cleaner 19
Operating, in advance air filtration, it is to avoid excessive dust enters in housing 1, it is to avoid contaminated equipment, the upper end of housing 1 is provided with air mistake
Filter 19, the import of air cleaner 19 is fixedly connected with blast pipe 20, and the outside air of blast pipe 20 is through the air inlet of blast pipe 20
In filter 19, the rear end of housing 1 is arranged with through hole 21, and through hole 21 provides placement place for the setting of annular gasket 22, led to
Configuration connection annular gasket 22 in the hole in hole 21, annular gasket 22 is played a supporting role, and the height of annular gasket 22 and through hole 21
Width is consistent, and the inner side of annular gasket 22 is arranged with two diagonal braces 23, and diagonal brace 23 plays a part of supporting motor 24, tiltedly
The top of support 23 is fixedly connected with the side of motor 24, and the output shaft of motor 24 is fixedly connected with rotating shaft by shaft coupling
25 one end, motor 24 is operated, and realizes output shaft rotation, and then drives rotating shaft 25 to rotate, and the other end of rotating shaft 25 is fixed
Radiator fan 26 is connected, rotating shaft 25 is rotated, drive radiator fan 26 to rotate, so as to accelerate the circulation and friendship of the inner air of housing 1
Change, realize radiating, radiator fan 26 is correspondingly arranged with annular gasket 22 and through hole 21, and the outside of through hole 21 is detachably connected filtering
Net 27, screen pack 27 avoids introduced contaminants from entering housing 1, and the left and right sides of housing 1 is arranged with two and changes air port 28, changes air port
28 realize the circulation of the inner air of housing 1, and the inner side for changing air port 28 is provided with air filter disc 29, and air filter disc 29 is ensured in housing 1
The spatter property in portion, the outside for changing air port 28 is provided with shutter 30, and shutter 30 is easy to routine use and maintenance, air filter disc 29 with
There is gap in shutter 30, the front side of housing 1 is provided with PLC 31, and PLC 31 regulates and controls each equipment and run well, PLC
The upper end of controller 31 is provided with touch screen displays 32, and touch screen displays 32 intuitively show various signals, is easy to user's manipulation tune
Section, the right flank of PLC 31 is sequentially provided with temperature signal receiver 33, voltage signal receiver 34 and electric current from top to bottom
Signal receiver 35, temperature signal receiver 33 receives the signal message that temperature sensor 11 is monitored in time, and voltage signal is received
The timely monitoring voltage signal of receiving voltage signal transducer 6 of device 34, current signal receiver 35 receives current signal sensing in time
The monitoring current signal of device 7, the signal of reception regulates and controls through PLC 31, the information that user shows according to touch screen displays 32, real
Now regulate and control, the electrical connection external power source of PLC 31, inverter 2, rectification unit 3, high power capacity electric capacity 4, piezo-resistance 5, voltage
Transformer 8, current transformer 9, charging resistor 10, cooler 13, induced-draught fan 16, air cleaner 19, motor 24, touch screen
Display 32, temperature signal receiver 33, voltage signal receiver 34 and current signal receiver 35 electrically connect PLC
31, PLC 31 is single-chip microcomputer, and it controls inverter 2, rectification unit 3, high power capacity electric capacity 4, piezo-resistance 5, mutual induction of voltage
Device 8, current transformer 9, charging resistor 10, cooler 13, induced-draught fan 16, air cleaner 19, motor 24, touch screen are shown
Device 32, temperature signal receiver 33, the mode of voltage signal receiver 34 and current signal receiver 35 are in the prior art
Conventional method.
When in use：Temperature sensor 11 monitors the interior temperature signal of housing 1 in real time, and voltage signal sensor 6 is supervised in real time
The current signal that the voltage signal of each equipment in the inside of housing 1, current signal sensor 7 monitor each equipment in the inside of housing 1 in real time is surveyed,
Temperature signal receiver 33 receives the signal message that temperature sensor 11 is monitored in time, and voltage signal receiver 34 receives electricity in time
The monitoring voltage signal of signal transducer 6 is pressed, current signal receiver 35 receives the monitoring current of current signal sensor 7 letter in time
Number, the information that user shows according to touch screen displays 32, by the regulation and control of PLC 31, the summation current transformer of mutual induction of voltage 8
Voltage to current transducer can be in time desired value by 9, and charging resistor 10 is operated, and can also play defencive function during start, pressure-sensitive
Resistance 5 plays overvoltage overtemperature protection, and resistance to thunderbolt plays the real-time duplicate protection of variable voltage and variable current with installing testing requirement, cools down
Device 13 is operated, and is realized the air cooling being pumped into induced-draught fan 16, the increase of annular cooling conduit 15 and inner walls area, is accelerated housing
The cooling of air in 1, motor 24 is operated, and output shaft rotation drives the rotation of rotating shaft 25, to reach turning for radiator fan 26
It is dynamic, so as to accelerate air exchange and the flowing of the internal gas of housing 1, realize shell radiating and internal heat dissipating, it is to avoid because of work temperature
The high protectiveness tripping operation brought is spent, the setting of air cleaner 19 and screen pack 27 is exchanged not influenceing the internal gas of housing 1
While circulation, air filtration is realized, it is to avoid excessive dust enters in housing 1, it is to avoid contaminated equipment.
The utility model is operated by the regulation and control of PLC 31, cooler 13, realizes the air being pumped into induced-draught fan 16
Cooling, the increase of annular cooling conduit 15 and inner walls area, motor 24 are operated, and output shaft rotation drives turning for rotating shaft 25
It is dynamic, to reach the rotation of radiator fan 26, so as to accelerate air exchange and the flowing of the internal gas of housing 1, realize that shell radiates
And internal heat dissipating, it is to avoid the protectiveness tripping operation brought because operating temperature is too high, the use to user brings great convenience,
And temperature sensor 11 monitors the interior temperature signal of housing 1, the real-time monitoring voltage signal of voltage signal sensor 6, electricity in real time
The real-time monitoring current signal of signal transducer 7 is flowed, enclosure interior temperature, the change of voltage and current can be monitored in real time, is reflected
Voltage to current transducer can be in time desired value, charging by malfunction and abort situation, the summation current transformer 9 of mutual induction of voltage 8
Resistance 10 is operated, and can also play defencive function during start, plays the real-time duplicate protection of variable voltage and variable current, carrying largely
The high operating efficiency of frequency converter.
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 in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of frequency converter, including housing (1), it is characterised in that：The inner bottom center of the housing (1) is provided with inverter
(2), high power capacity electric capacity (4) and piezo-resistance (5) are sequentially provided with from top to bottom on the right side of the inner bottom of the housing (1), it is described
It is provided with rear side of rectification unit (3), the inner bottom of the housing (1) and sets successively from right to left on front side of the inner bottom of housing (1)
There are a voltage signal sensor (6) and current signal sensor (7), on the left of the inner bottom of the housing (1) from top to bottom successively
Provided with voltage transformer (8), current transformer (9), charging resistor (10) and temperature sensor (11), the housing (1) it is interior
Provided with flat board (12) of slipping through the net in the middle part of portion, the upper end of the flat board of slipping through the net (12) is provided with cooler (13), the cooler (13)
Gas outlet is fixedly connected with one end of discharge pipe (14), and the other end of the discharge pipe (14) is connected with annular cooling conduit (15), institute
The outer surface for stating annular cooling conduit (15) is fixedly connected with the inwall of housing (1), and annular cooling conduit (15) is located at flat board of slipping through the net
(12) upper end.
2. a kind of frequency converter according to claim 1, it is characterised in that：The upper end of the housing (1) is provided with induced-draught fan
(16), the gas outlet of the induced-draught fan (16) is fixedly connected with one end of wind conveying pipe (17), and the other end of the wind conveying pipe (17) is passed through
Wear the upper end inwall of housing (1) and be connected with the air inlet of cooler (13), the air inlet of the induced-draught fan (16) is fixedly connected with U
One end of type pipe (18), the other end of the U-tube (18) is fixedly connected with the outlet of air cleaner (19), the housing (1)
Upper end be provided with air cleaner (19), the import of the air cleaner (19) is fixedly connected with blast pipe (20).
3. a kind of frequency converter according to claim 1, it is characterised in that：The rear end of the housing (1) is arranged with through hole
(21), in the hole of the through hole (21) configuration connection annular gasket (22), and annular gasket (22) highly with through hole (21) width
Unanimously, two diagonal braces (23) are arranged with the inside of the annular gasket (22), the top of the diagonal brace (23) is fixedly connected with
The side of motor (24), the output shaft of the motor (24) is fixedly connected with one end of rotating shaft (25) by shaft coupling,
The other end of the rotating shaft (25) is fixedly connected with radiator fan (26), the radiator fan (26) and annular gasket (22) and through hole
(21) it is correspondingly arranged, screen pack (27) is detachably connected on the outside of the through hole (21).
4. a kind of frequency converter according to claim 1, it is characterised in that：The left and right sides of the housing (1) is arranged with
Two are changed air port (28), and the inner side for changing air port (28) is provided with air filter disc (29), and the outside for changing air port (28) is provided with
There is gap with shutter (30) in shutter (30), the air filter disc (29).
5. a kind of frequency converter according to claim 1, it is characterised in that：The front side of the housing (1) is provided with PLC
(31), the upper end of the PLC (31) is provided with touch screen displays (32), and the right flank of the PLC (31) is from upper
And under be sequentially provided with temperature signal receiver (33), voltage signal receiver (34) and current signal receiver (35), temperature letter
Number receiver (33) electrical connection temperature sensor (11), voltage signal receiver (34) electrical connection voltage signal sensor (6), electricity
Signal receiver (35) electrical connection current signal sensor (7) is flowed, the PLC (31) electrically connects external power source, described
Inverter (2), rectification unit (3), high power capacity electric capacity (4), piezo-resistance (5), voltage transformer (8), current transformer (9),
Charging resistor (10), cooler (13), induced-draught fan (16), air cleaner (19), motor (24), touch screen displays
(32), temperature signal receiver (33), voltage signal receiver (34) and current signal receiver (35) electrically connect PLC controls
Device (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720248772.6U CN206524753U (en) | 2017-03-15 | 2017-03-15 | A kind of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720248772.6U CN206524753U (en) | 2017-03-15 | 2017-03-15 | A kind of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206524753U true CN206524753U (en) | 2017-09-26 |
Family
ID=59903059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720248772.6U Expired - Fee Related CN206524753U (en) | 2017-03-15 | 2017-03-15 | A kind of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206524753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112114636A (en) * | 2020-08-11 | 2020-12-22 | 安徽智月信息技术有限公司 | Computer system and device for ensuring information safety |
-
2017
- 2017-03-15 CN CN201720248772.6U patent/CN206524753U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112114636A (en) * | 2020-08-11 | 2020-12-22 | 安徽智月信息技术有限公司 | Computer system and device for ensuring information safety |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170926 Termination date: 20210315 |