CN203009254U - Energy-saving controlling device of air compressor - Google Patents
Energy-saving controlling device of air compressor Download PDFInfo
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- CN203009254U CN203009254U CN 201320035098 CN201320035098U CN203009254U CN 203009254 U CN203009254 U CN 203009254U CN 201320035098 CN201320035098 CN 201320035098 CN 201320035098 U CN201320035098 U CN 201320035098U CN 203009254 U CN203009254 U CN 203009254U
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- air compressor
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- saving
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Abstract
The utility model provides an energy-saving controlling device of an air compressor. The energy-saving controlling device is installed on the air compressor, and the air compressor is provided with a compressor and an air compressor motor. The energy-saving controlling device of the air compressor comprises a frequency conversion and speed regulation controlling cabinet and a pressure transmitter, wherein the frequency conversion and speed regulation controlling cabinet is provided with a frequency converter, the frequency converter is connected with the air compressor motor, the frequency converter comprises a signal processing unit and a signal controlling unit, the pressure transmitter is installed on the compressor, converts a pressure signal into an electric signal and sends the electric signal to the signal processing unit of the frequency converter, the signal processing unit receives the electric signal, compares the electric signal with a preset value and calculates and outputs a controlling signal to the signal controlling unit, and the signal controlling unit adjusts the rotation speed of the air compressor motor according to the controlling signal input by the signal processing unit. The energy-saving controlling device of the air compressor adjusts air supply through a frequency conversion and speed regulation method, enables an output power of the motor to be basically proportional to the air supply, and achieves a good electricity-saving effect.
Description
Technical field
The utility model relates to a kind of energy-saving control device for air compressor.
Background technique
Air compressor adopts the load/unload valve to control the air feed of air compressor in it is controlled, and due to the operation cycle of gas equipment or the difference of production technology, makes gas consumption fluctuate, and causes sometimes air compressor frequently to load, unload; After the air compressor unloading, motor is still also in running, and 50% when power is about load, the not only mechanical wear of serious waste electric energy but also increase equipment, and loading is a unexpected process, can cause larger impact to equipment and electrical network; Can cause simultaneously the plant maintenance amount large, the shortening of large and each part life of machine of noise.When gas consumption changed, the number of units of start-stop compressor was determined in manual operation, according to the demand of reality, air compressor is not carried out scientific management.Compressor operation situation and fault message be checking meter or micro-judgment by operator's timing entirely.Very unreliable of this original operating method, particularly the air compressor internal condition can't science judgment and management.After system goes wrong, can't guarantee fast finding mechanical disorder, can not in time reflect the actual operating state of machine.Meanwhile, if break down or compressed air leakage in air system gas transmission pipeline net work somewhere, search and safeguard all difficults.
The model utility content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of energy-saving control device for air compressor, be installed on air compressor, described air compressor is provided with compressor and air compressor motor, and described energy-saving control device for air compressor comprises variable frequency regulating speed control cabinet and pressure transmitter.Described variable frequency regulating speed control cabinet is provided with frequency variator, described frequency variator is connected in described air compressor motor, described frequency variator comprises signal processing unit and signaling control unit, pressure transmitter is installed on the signal processing unit that compressor is converted to electrical signal with pressure signal and is delivered to frequency variator, described signal processing unit receives electrical signal and itself and setting value is compared computing and output control signals to signaling control unit, and described signaling control unit is adjusted described air compressor motor rotating speed according to the control signal of signal processing unit input.
Further improvement of the utility model is, described variable frequency regulating speed control also cabinet is provided with contactor and controller, and described contactor and controller are connected in described frequency variator.
Further improvement of the utility model is, described energy-saving control device for air compressor also is provided with man-machine interface, and described man-machine interface is connected in described variable frequency regulating speed control cabinet.
Compared to prior art, energy-saving control device for air compressor of the present utility model is compared with the setting value of pressure by the force value that pressure transmitter records, and obtains deviation, calculates through master controller the frequency values that frequency variator acts on asynchronous motor.By the corresponding frequencies of frequency variator output and the Ac of amplitude, obtain corresponding rotating speed on motor.And pressurized air corresponding to air compressor output exports gas holder to, makes it pressure and changes, until ductwork pressure conforms to the setting pressure value.Because air compressor belongs to constant torque load basically, adjust the method for motor speed and can adjust air demand; Adopt the method for frequency control of motor speed to adjust air demand and can make that the output power of motor is basic and rotating speed is proportional, reach good power savings.
Description of drawings
Fig. 1 is the structural representation of energy-saving control device for air compressor of the present utility model.
Fig. 2 is the connection diagram of frequency variator and the master controller of energy-saving control device for air compressor of the present utility model.
Fig. 3 is the Host Controller Architecture block diagram of energy-saving control device for air compressor of the present utility model.
Embodiment
Below in conjunction with description of drawings and embodiment, the utility model is further illustrated.
See also Fig. 1 to Fig. 3, the utility model provides a kind of energy-saving control device for air compressor, is installed on air compressor, and described air compressor is provided with compressor 21 and air compressor motor 23.Energy-saving control device for air compressor comprises variable frequency regulating speed control cabinet 10 and pressure transmitter (not shown).Described variable frequency regulating speed control cabinet 10 is provided with circuit breaker 11, frequency variator 12 and contactor 13, and described frequency variator 12 is connected in described air compressor motor 23.Described frequency variator 12 comprises signal processing unit and signaling control unit.
Pressure transmitter is installed on compressor 21 and pressure signal is converted to electrical signal, and is delivered to the signal processing unit of frequency variator 12.Signal processing unit receives electrical signal and itself and setting value is compared computing, outputs control signals to signaling control unit.Signaling control unit is adjusted air compressor motor 23 rotating speeds according to the control signal of signal processing unit input.
Energy-saving control device for air compressor of the present utility model also is provided with man-machine interface 17, and described man-machine interface 17 is connected in described variable frequency regulating speed control cabinet 10.Energy-saving control device for air compressor of the present utility model is controlled easily by all parts that 17 pairs of devices of man-machine interface are set.
Energy-saving control device for air compressor of the present utility model is compared with the setting value of pressure by the force value that pressure transmitter records, and obtains deviation, calculates through master controller the frequency values that frequency variator 12 acts on asynchronous motor.By the corresponding frequencies of frequency variator 12 outputs and the Ac of amplitude, obtain corresponding rotating speed on motor.And pressurized air corresponding to air compressor output exports gas holder to, makes it pressure and changes, until ductwork pressure conforms to the setting pressure value.Because air compressor belongs to constant torque load basically, adjust the method for motor speed and can adjust air demand; Adopt the method for frequency control of motor speed to adjust air demand and can make that the output power of motor is basic and rotating speed is proportional, reach good power savings.The utility model adopts Intelligent Fuzzy Control, and improve pressure controling precision: frequency-changing control system has accurate pressure control ability, and precision is in ± 5Kpa, and the required tolerance of the air pressure output that makes compressor and user's air system is complementary; The output tolerance of VFC compressor changes along with the change of motor speed.Adopt the RS485 Communication Control, can show the real-time electrical quantity of motor on man-machine interface 17, as: the power of motor, electric current, voltage, operation frequency, power saving rate etc. make energy-saving effect very clear.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. energy-saving control device for air compressor, be installed on air compressor, described air compressor is provided with compressor and air compressor motor, it is characterized in that: described energy-saving control device for air compressor comprises variable frequency regulating speed control cabinet and pressure transmitter, described variable frequency regulating speed control cabinet is provided with frequency variator, described frequency variator is connected in described air compressor motor, described frequency variator comprises signal processing unit and signaling control unit, pressure transmitter is installed on the signal processing unit that compressor is converted to electrical signal with pressure signal and is delivered to frequency variator, described signal processing unit receives electrical signal and itself and setting value is compared computing and output control signals to signaling control unit, described signaling control unit is adjusted described air compressor motor rotating speed according to the control signal of signal processing unit input.
2. energy-saving control device for air compressor according to claim 1, it is characterized in that: described variable frequency regulating speed control also cabinet is provided with contactor and controller, and described contactor and controller are connected in described frequency variator.
3. energy-saving control device for air compressor according to claim 1, it is characterized in that: described energy-saving control device for air compressor also is provided with man-machine interface, and described man-machine interface is connected in described variable frequency regulating speed control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035098 CN203009254U (en) | 2013-01-23 | 2013-01-23 | Energy-saving controlling device of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035098 CN203009254U (en) | 2013-01-23 | 2013-01-23 | Energy-saving controlling device of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009254U true CN203009254U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320035098 Expired - Fee Related CN203009254U (en) | 2013-01-23 | 2013-01-23 | Energy-saving controlling device of air compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203009254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240302A (en) * | 2015-09-28 | 2016-01-13 | 苏州艾克威尔科技有限公司 | Intelligent and energy-saving all-in-one machine for air compressor drive and methods thereof |
-
2013
- 2013-01-23 CN CN 201320035098 patent/CN203009254U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240302A (en) * | 2015-09-28 | 2016-01-13 | 苏州艾克威尔科技有限公司 | Intelligent and energy-saving all-in-one machine for air compressor drive and methods thereof |
| WO2017054596A1 (en) * | 2015-09-28 | 2017-04-06 | 苏州艾克威尔科技有限公司 | All-in-one machine for air compressor driving and intelligent energy conservation and method thereof |
| CN105240302B (en) * | 2015-09-28 | 2018-11-02 | 苏州艾克威尔科技有限公司 | Air compressor machine drives intelligent power saving all-in-one machine and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Air compressor energy-saving control device with motor power regulation function Effective date of registration: 20151030 Granted publication date: 20130619 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: Shenzhen Da Zhong Xin Yuan Energy Saving Technology Co., Ltd. Registration number: 2015990000940 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20210123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |