CN202851359U - Control device for screw compressor - Google Patents
Control device for screw compressor Download PDFInfo
- Publication number
- CN202851359U CN202851359U CN 201220276412 CN201220276412U CN202851359U CN 202851359 U CN202851359 U CN 202851359U CN 201220276412 CN201220276412 CN 201220276412 CN 201220276412 U CN201220276412 U CN 201220276412U CN 202851359 U CN202851359 U CN 202851359U
- Authority
- CN
- China
- Prior art keywords
- control device
- pressure transmitter
- screw compressor
- motor
- helical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a control device for a screw compressor. The control device comprises a frequency converter and a pressure transmitter, wherein the pressure transmitter is used for measuring the pressure of an exhaust pipe of the screw compressor; the signal output end of the pressure transmitter is connected with the signal input end of the frequency converter; and the signal output end of the frequency converter is connected with a motor. According to the control device for the screw compressor, the frequency conversion is set, and the regulation and control on the motor can be carried out. The control device for the screw compressor is convenient to operate, flexible to use, high in degree of automation and high in performance, and saves the electricity.
Description
Technical field
The utility model relates to the control gear of helical-lobe compressor.
Background technique
Present employed helical-lobe compressor is by the full-speed operation of A.C. contactor control motor.But compressor is in the running, the motor full load, and power of motor is large, and electric current is excessive during startup, and consuming electric power is more, causes waste.
The model utility content
The purpose of this utility model provides a kind of helical-lobe compressor control gear, can carry out VFC, saving power to motor.
The utility model adopts following technical proposals: a kind of helical-lobe compressor control gear, comprise frequency variator, pressure transmitter, described pressure transmitter is used for measuring the pressure of helical-lobe compressor outlet pipe, the signal output part of pressure transmitter is connected with the signal input part of frequency variator, and the signal output part of frequency variator is connected with motor.
The utility model uses the motor of Frequency Converter Control helical-lobe compressor, thereby the pressure of the outlet pipe of pressure transmitter measurement helical-lobe compressor is sent pressure signal into frequency variator, sets by frequency conversion, and motor is carried out frequency conversion control.The utility model is easy to operate, uses flexibly, and automaticity is high, and performance is good, saving power.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, a kind of helical-lobe compressor control gear of the utility model, comprise frequency variator, pressure transmitter, described pressure transmitter is used for measuring the pressure of helical-lobe compressor outlet pipe, the signal output part of pressure transmitter is connected with the signal input part of frequency variator, the signal output part of frequency variator is connected with motor M, and Q1 is the knife-like switch of the power end of frequency variator.Helical-lobe compressor is when work, and pressure transmitter sends measurement signal to frequency variator, and frequency variator, is regulated and control motor M according to PRODUCTION STATUS by setting.The utility model is easy to operate, uses flexibly, and automaticity is high, and performance is good, saving power.
Claims (1)
1. helical-lobe compressor control gear, it is characterized in that: comprise frequency variator, pressure transmitter, described pressure transmitter is used for measuring the pressure of helical-lobe compressor outlet pipe, the signal output part of pressure transmitter is connected with the signal input part of frequency variator, and the signal output part of frequency variator is connected with motor; The power end of frequency variator is connected with knife-like switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276412 CN202851359U (en) | 2012-06-13 | 2012-06-13 | Control device for screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276412 CN202851359U (en) | 2012-06-13 | 2012-06-13 | Control device for screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851359U true CN202851359U (en) | 2013-04-03 |
Family
ID=47982566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220276412 Expired - Fee Related CN202851359U (en) | 2012-06-13 | 2012-06-13 | Control device for screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202851359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422455A (en) * | 2015-12-31 | 2016-03-23 | 天津市金星空气压缩机制造股份有限公司 | Energy-saving control cabinet of screw air compressor |
-
2012
- 2012-06-13 CN CN 201220276412 patent/CN202851359U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422455A (en) * | 2015-12-31 | 2016-03-23 | 天津市金星空气压缩机制造股份有限公司 | Energy-saving control cabinet of screw air compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170807 Granted publication date: 20130403 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200807 Granted publication date: 20130403 |
|
| 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: 20130403 Termination date: 20180613 |