CN201937540U - Frequency conversion control device for cool-heat-exchanger - Google Patents
Frequency conversion control device for cool-heat-exchanger Download PDFInfo
- Publication number
- CN201937540U CN201937540U CN2011200196269U CN201120019626U CN201937540U CN 201937540 U CN201937540 U CN 201937540U CN 2011200196269 U CN2011200196269 U CN 2011200196269U CN 201120019626 U CN201120019626 U CN 201120019626U CN 201937540 U CN201937540 U CN 201937540U
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- Prior art keywords
- contactor
- frequency
- frequency conversion
- power
- frequency converter
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- Expired - Fee Related
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Abstract
The utility model relates to a frequency conversion control device for a cool-heat-exchanger, which comprises a mutual inductor, a breaker, a transformer, an alternated current contactor, a frequency converter, a thermal relay, a master line connecting terminal, a cabinet, a power frequency contactor and a frequency conversion contactor, wherein the breaker is arranged at the upper part of the cabinet; the mutual inductor is arranged on the left side of the breaker; the frequency converter is arranged on the right side of the breaker; the power frequency contactor is arranged in the middle part of the cabinet; the frequency conversion contactor is arranged on the left side of the power frequency contactor; the alternated current contactor is arranged on the right side of the power frequency contactor; the thermal relay is arranged under the alternated current contactor; the frequency converter is arranged at the lower part of the cabinet; and the master line connecting terminal is arranged under the frequency converter. When the frequency conversion control device is used, a three-phase 380V/50Hz alternated current power supply is switched on through the master line connecting terminal and then is connected to the frequency conversion contactor at the input end of the frequency converter and the power frequency contactor through the breaker, the output end of the frequency converter is connected to the motor through the alternated current contactor, and the power frequency contactor is connected to the motor through the thermal relay.
Description
Technical field
The utility model relates to field of mechanical technique, a kind of cool-heat-exchanger frequency-converting control device of saying so more specifically.
Background technology
At present, cool-heat-exchanger does not also have the frequency-converting control device of specialty, the frequency-converting control device of close specialty, structure is all complicated, universal performance is poor, using inconvenience, is that 200720190789 utility model patents disclose a kind of " exchange of high voltage converter heating power and apparatus cools device " as the patent No., and this utility model is made of the water-cooling wall, connection air channel and the waterpipe that are installed in outdoor casing, be installed in the casing; The air intake vent of casing communicates with the exhaust outlet that is installed in indoor high voltage converter cabinet by the air channel; Casing air-out oral-lateral is provided with exhaust outlet, and this exhaust outlet communicates with indoor.The entery and delivery port that is installed in the water-cooling wall in the casing links to each other with the inlet tube and outlet tube of cooling water by waterpipe respectively.Whole hot blasts that high voltage converter is discharged enter into by the air channel and are installed in the outdoor casing; Carry out heat exchange with the water-cooling wall in the casing, absorb the heat that high voltage converter is discharged gas, heat is taken away by cooling water; Cold air after the cooling is got back to indoor by the exhaust outlet of lower box again, the room air that high voltage converter is installed can be circulated, thereby, the temperature of reduction high voltage converter running environment, the running environment of control of conversion device guarantees that frequency converter moves safely and reliably; The patent No. is that 200620012395 utility model patents disclose a kind of " high voltage converter of hermetically sealed heat exchanger ", this utility model is in the rack of high voltage converter or the outside is equipped with heat exchanger, the thermoreceptor of rack and heat exchanger is totally-enclosed, high voltage converter has only heat exchange with the part of heat exchanger heat radiation with environment, there is not the interchange of air, with the influence of avoiding dust, corrosive gas and hot environment to cause to ventilation and heat; Described high voltage converter can be to this transformer isolation if the high voltage converter of traditional band transformer device structure, and heat exchanger is to this transformer heat radiation, and heat radiation do not consumed to reduce.The temperaturecontrol sensor of heat exchanger is housed, the unit number that can just regulate the refrigerating capacity of heat exchanger or put into operation according to the temperature of circulated air in the path of the circulation wind path in the cabinet; These patents have all solved the frequency conversion problem of motor preferably, have energy-conservation effect, but in concrete production, use, structure is all complicated, and universal performance is poor, uses inconvenient.
Summary of the invention
For overcoming above-mentioned shortcoming, the utility model has designed a kind of cool-heat-exchanger frequency-converting control device, its principle is: after three-phase 380V/50Hz AC power enters main line access terminal, enter frequency converter input frequency conversion contactor, power frequency contactor by circuit breaker, inverter output terminal is connected to motor by A.C. contactor, the power frequency contactor is connected to motor by thermal relay, and power frequency and frequency conversion have strict electrical interlocks function, independent mutually the use.
The technical solution of the utility model is: the cool-heat-exchanger frequency-converting control device is by instrument transformer, circuit breaker, transformer, A.C. contactor, frequency converter, thermal relay, main line inserts terminal, rack, the power frequency contactor, the frequency conversion contactor is formed, it is characterized in that: the top of rack is provided with circuit breaker, the left side of circuit breaker is provided with instrument transformer, the right side of circuit breaker is provided with frequency converter, the middle part of rack is provided with the power frequency contactor, the left side of power frequency contactor is provided with the frequency conversion contactor, the right side of power frequency contactor is provided with A.C. contactor, the downside of A.C. contactor is provided with thermal relay, the bottom of rack is provided with frequency converter, and the downside of frequency converter is provided with main line and inserts terminal.
During use, after three-phase 380V/50Hz AC power inserts the terminal access by main line, enter frequency converter input frequency conversion contactor, power frequency contactor by circuit breaker, inverter output terminal is connected to motor by A.C. contactor, and the power frequency contactor is connected to motor by thermal relay.
The beneficial effects of the utility model are: simple in structure, universal performance is good, and is easy to use.
Description of drawings:
Accompanying drawing is the utility model structural representation; In the accompanying drawing:
1. instrument transformer, 2. circuit breaker, 3. transformer, 4. A.C. contactor, 5. frequency converter, 6. thermal relay, 7. main line inserts terminal, 8. rack, 9. power frequency contactor, 10. frequency conversion contactor.
Embodiment
In conjunction with the accompanying drawings the utility model is described in further detail, so that the public grasps implementation method of the present utility model better, the concrete scheme that the utility model is implemented is: the cool-heat-exchanger frequency-converting control device is by instrument transformer 1, circuit breaker 2, transformer 3, A.C. contactor 4, frequency converter 5, thermal relay 6, main line inserts terminal 7, rack 8, power frequency contactor 9, frequency conversion contactor 10 is formed, it is characterized in that: the top of rack 8 is provided with circuit breaker 2, the left side of circuit breaker 2 is provided with instrument transformer 1, the right side of circuit breaker 2 is provided with frequency converter 3, the middle part of rack 8 is provided with power frequency contactor 9, the left side of power frequency contactor 9 is provided with frequency conversion contactor 10, the right side of power frequency contactor 9 is provided with A.C. contactor 4, the downside of A.C. contactor 4 is provided with thermal relay 6, the bottom of rack 8 is provided with frequency converter 5, and the downside of frequency converter 5 is provided with main line and inserts terminal 7.
During use, after three-phase 380V/50Hz AC power inserts terminal 7 accesses by main line, enter frequency converter input frequency conversion contactor 10, power frequency contactor 9 by circuit breaker 2, frequency converter 5 outputs are connected to motor by A.C. contactor 4, and power frequency contactor 9 is connected to motor by thermal relay 6.
The beneficial effects of the utility model are: simple in structure, universal performance is good, and is easy to use.
Claims (1)
1. cool-heat-exchanger frequency-converting control device, by instrument transformer (1), circuit breaker (2), transformer (3), A.C. contactor (4), frequency converter (5), thermal relay (6), main line inserts terminal (7), rack (8), power frequency contactor (9), frequency conversion contactor (10) is formed, it is characterized in that: the top of rack (8) is provided with circuit breaker (2), the left side of circuit breaker (2) is provided with instrument transformer (1), the right side of circuit breaker (2) is provided with frequency converter (3), the middle part of rack (8) is provided with power frequency contactor (9), the left side of power frequency contactor (9) is provided with frequency conversion contactor (10), the right side of power frequency contactor (9) is provided with A.C. contactor (4), the downside of A.C. contactor (4) is provided with thermal relay (6), the bottom of rack (8) is provided with frequency converter (5), and the downside of frequency converter (5) is provided with main line and inserts terminal (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200196269U CN201937540U (en) | 2011-01-19 | 2011-01-19 | Frequency conversion control device for cool-heat-exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200196269U CN201937540U (en) | 2011-01-19 | 2011-01-19 | Frequency conversion control device for cool-heat-exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201937540U true CN201937540U (en) | 2011-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200196269U Expired - Fee Related CN201937540U (en) | 2011-01-19 | 2011-01-19 | Frequency conversion control device for cool-heat-exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201937540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953792A (en) * | 2014-03-25 | 2015-09-30 | 株洲南车时代电气股份有限公司 | Traction converter for low-floor vehicle |
-
2011
- 2011-01-19 CN CN2011200196269U patent/CN201937540U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953792A (en) * | 2014-03-25 | 2015-09-30 | 株洲南车时代电气股份有限公司 | Traction converter for low-floor vehicle |
| CN104953792B (en) * | 2014-03-25 | 2017-11-14 | 株洲南车时代电气股份有限公司 | A kind of low floor vehicle traction convertor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20140119 |