CN201976066U - Frequency conversion control device of air compressor - Google Patents
Frequency conversion control device of air compressor Download PDFInfo
- Publication number
- CN201976066U CN201976066U CN2010206553000U CN201020655300U CN201976066U CN 201976066 U CN201976066 U CN 201976066U CN 2010206553000 U CN2010206553000 U CN 2010206553000U CN 201020655300 U CN201020655300 U CN 201020655300U CN 201976066 U CN201976066 U CN 201976066U
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- China
- Prior art keywords
- air compressor
- frequency converter
- circuit
- compressor machine
- motor
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- Expired - Fee Related
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Abstract
A frequency conversion control device of an air compressor consists of a main circuit adjusting section and a control protecting section, the main circuit adjusting section includes input ends (L1, L2 and L3), an ammeter A, a main power source breaker QF, a terminal, a watt-hour meter, a frequency converter and a main air compressor motor, and the control protecting section is connected onto a main circuit. The frequency conversion control device can guarantee high-torque output (overload starting) of the motor within rated current range and meet starting requirements of the motor under various working conditions, the integral starting process is stable, safe and quiet, impact onto an electric nets, the motor and equipment from current is completely eliminated, input voltage of a fan according to load variation of the air compressor can be adjusted rapidly, the current of the air compressor can be compulsively lowered, high-efficiency running of the motor is guaranteed, and electric power can be saved by more than 30%.
Description
Technical field
The utility model relates to electromechanical controlling device, particularly a kind of air compressor machine frequency-converting control device.
Background technology
Air compressor machine has crucial effect in mining and other industrial and agricultural production, control system of air compressor in the past, what adopt is reduced-voltage starting, impulse ratio to whole electrical network is bigger, and start-up time is longer, whole device does not have speed-regulating function yet, the motor major part is in the constant-speed operation state, and with plate washer, the way that valve or emptying reflux is carried out the adjusting of flow or pressure, can not make suitable adjusting at different demands, has caused waste of power resources, increased cost, if and had contingency to take place at work, the power down road of must in time breaking would prevent the damage of air compressor machine and bigger property safety loss.
Summary of the invention
The purpose of this utility model is exactly to be to overcome above-mentioned deficiency of the prior art and a kind of novel air compressor machine frequency-converting control device that can effectively regulate and that have automatic safety device is provided.
For achieving the above object, the utility model is to adopt following scheme to be achieved in that the air compressor machine frequency-converting control device is regulated part by main circuit and the protection control section is formed, and it is characterized in that: regulate control section and be made up of input (L1, L2, L3), ammeter A, main power source circuit breaker Q F, binding post, kilowatt-hour meter, frequency converter, air compressor motor M; Wherein input (L1, L2, L3) is gone up the L1 end and is connected to main power source circuit breaker Q F, ammeter A is connected on the input by current transformer BH, input three ends are connected to three input ports of R, S, T of frequency converter at last, binding post is connected in parallel on the main circuit of input (L1, L2, L3), kilowatt-hour meter is connected with binding post, and PE holds ground connection; The motor M of air compressor machine is connected three outputs of U, V, W of frequency converter; The protection control section is by L4, L5 is connected on the main circuit, voltmeter V is connected in parallel on the circuit, be connected in parallel on the circuit after operation control contactor KM1 and the run indicator WS1 series connection, stop control contactor KM2 and stop to be connected in parallel on the circuit after indicator light WS2 connects, Fault Control relay K A2 be connected in parallel on the circuit after malfunction indicator lamp WS3 connects, air compressor machine control relay KA1 be connected in parallel on the circuit after air compressor machine contactor KF connects, stop button SB1, start button SB2 be connected in parallel on the circuit protective tube R1 after starting contactor KM connects, R2 is connected to the circuit two ends; The protection control section is connected on the frequency converter; wherein starting contactor KM is connected the FWD end of frequency converter; push-button switch SB0 is connected frequency converter S3 (RST) end; contactor KM links to each other by frequency converter COM end with push-button switch SB0; air compressor machine control relay KA1 is connected frequency converter SP1 end; Fault Control relay K A2 is connected frequency converter SP2 end, and links to each other with KA1 by frequency converter 24V end.With stop button SB1, start button SB2 connection line on keep somewhere two Control Node L6, L7 arranged, Control Node L6, L7 connect external forced outage electric brake.
1, the utility model air compressor machine frequency-converting control device can satisfy the startup needs of motor under the various conditions of work in rated current with interior and assurance motor high torque (HT) output (heavy load starting).Whole starting process steadily, safety, peace and quiet, eliminated the impact of electric current fully to electrical network, motor and equipment.
2, the utility model is provided with the automatic tracking and matching of motion vector system, can be according to the input voltage of the load variations rapid adjustment blower fan of air compressor machine, and the low air compressor machine electric current of mandatory down also guarantees that motor efficiently moves, and can save electric energy more than 30%.
3, the utility model is provided with protective device, runs into unusual automatic outage, and the effective safety of protective circuit and air compressor machine has prolonged useful life of air compressor machine greatly.
Description of drawings
Fig. 1 is the utility model main circuit regulating circuit schematic diagram
Fig. 2 is the utility model protection control circuit schematic diagram
Fig. 3 is the utility model structural representation
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, input (L1, L2, L3) input 380V alternating current, press start button SB2 during work, main power source circuit breaker Q F closes, disintegrating machine control relay KA1, starting contactor KM and air compressor machine contactor KF closure, the motor M startup work of air compressor machine, operation control contactor KM1 closure, run indicator WS1 lights, ammeter A is used for the surveying work electric current, kilowatt-hour meter is used for the surveying work consumed power, can make suitable adjustment to different demands by regulating the speed that frequency converter is regulated air compressor machine in the work; Press stop button SB1 when quitting work, circuit disconnects, and air compressor machine quits work, and stops control contactor KM2 closure, stops indicator light WS2 and lights; When running into fault, Fault Control relay K A2 closure, air compressor motor M quits work, and malfunction indicator lamp WS3 lights.The pressure electric brake that Control Node L6, L7 connect can in case of emergency be forced open circuit, and air compressor machine is in time quit work.
Claims (2)
1. air compressor machine frequency-converting control device, regulate part and protect control section to form by main circuit, it is characterized in that: regulate control section and form by input (L1, L2, L3), ammeter A, main power source circuit breaker Q F, binding post, kilowatt-hour meter, frequency converter, air compressor motor M; Wherein input (L1, L2, L3) is gone up the L1 end and is connected to main power source circuit breaker Q F, ammeter A is connected on the input by current transformer BH, input three ends are connected to three input ports of R, S, T of frequency converter at last, binding post is connected in parallel on the main circuit of input (L1, L2, L3), kilowatt-hour meter is connected with binding post, and PE holds ground connection; The motor M of air compressor machine is connected three outputs of U, V, W of frequency converter; The protection control section is by L4, L5 is connected on the main circuit, voltmeter V is connected in parallel on the circuit, be connected in parallel on the circuit after operation control contactor KM1 and the run indicator WS1 series connection, stop control contactor KM2 and stop to be connected in parallel on the circuit after indicator light WS2 connects, Fault Control relay K A2 be connected in parallel on the circuit after malfunction indicator lamp WS3 connects, air compressor machine control relay KA1 be connected in parallel on the circuit after air compressor machine contactor KF connects, stop button SB1, start button SB2 be connected in parallel on the circuit protective tube R1 after starting contactor KM connects, R2 is connected to the circuit two ends; The protection control section is connected on the frequency converter; wherein starting contactor KM is connected the FWD end of frequency converter; push-button switch SB0 is connected frequency converter S3 (RST) end; contactor KM links to each other by frequency converter COM end with push-button switch SB0; air compressor machine control relay KA1 is connected frequency converter SP1 end; Fault Control relay K A2 is connected frequency converter SP2 end, and links to each other with KA1 by frequency converter 24V end.
2. a kind of air compressor machine frequency-converting control device according to claim 1 is characterized in that: with stop button SB1, start button SB2 connection line on keep somewhere two Control Node L6, L7 arranged, Control Node L6, L7 connect external forced outage electric brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206553000U CN201976066U (en) | 2010-12-13 | 2010-12-13 | Frequency conversion control device of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206553000U CN201976066U (en) | 2010-12-13 | 2010-12-13 | Frequency conversion control device of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201976066U true CN201976066U (en) | 2011-09-14 |
Family
ID=44581165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206553000U Expired - Fee Related CN201976066U (en) | 2010-12-13 | 2010-12-13 | Frequency conversion control device of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201976066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355194A (en) * | 2011-09-20 | 2012-02-15 | 天津市天锻压力机有限公司 | Power-saving setting circuit for frequency converters of hydraulic presses |
| CN109823177A (en) * | 2017-11-22 | 2019-05-31 | 湖南中车时代电动汽车股份有限公司 | A kind of protective device and method for electric car |
-
2010
- 2010-12-13 CN CN2010206553000U patent/CN201976066U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355194A (en) * | 2011-09-20 | 2012-02-15 | 天津市天锻压力机有限公司 | Power-saving setting circuit for frequency converters of hydraulic presses |
| CN109823177A (en) * | 2017-11-22 | 2019-05-31 | 湖南中车时代电动汽车股份有限公司 | A kind of protective device and method for electric car |
| CN109823177B (en) * | 2017-11-22 | 2022-04-05 | 湖南中车时代电动汽车股份有限公司 | Protection device and method for electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebishi Jinfeilong Electronic Technology Co., Ltd. Assignor: Wang Haiping Contract record no.: 2013410000085 Denomination of utility model: Frequency conversion control device of air compressor Granted publication date: 20110914 License type: Exclusive License Record date: 20131016 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20131213 |