CN204283832U - Frequency-changing pressure stabilizing air supply system - Google Patents
Frequency-changing pressure stabilizing air supply system Download PDFInfo
- Publication number
- CN204283832U CN204283832U CN201420755802.9U CN201420755802U CN204283832U CN 204283832 U CN204283832 U CN 204283832U CN 201420755802 U CN201420755802 U CN 201420755802U CN 204283832 U CN204283832 U CN 204283832U
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- air
- frequency
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- air compressor
- compressor
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Abstract
The utility model discloses a kind of frequency-changing pressure stabilizing air supply system, comprise the multiple air compressors be connected in parallel on air feed main pipeline, described air feed main pipeline is provided with baroceptor, described baroceptor sends air pressure signal to PLC, air pressure signal and setting value contrast by PLC, output signal controls the output of frequency variator, and described frequency variator is connected with a wherein air compressor, controls the rotating speed of air compressor; In addition, described PLC also opens/stops control respectively to other air compressors.This system makes the air feed stable gas pressure in workshop, can remain on the positive and negative 0.0lMPa of setting value, and limit regulates the start quantity of air compressor automatically according to workshop gas situation, and power consumption when unloading without air compressor, reaches accurate air feed, precisely start shooting.The electricity charge of about 20% can be saved, the compressor operation time simultaneously also reduced and maintenance frequency in air compressor power consumption.
Description
Technical field
The utility model relates to a kind of air supply system, specifically a kind of frequency-changing pressure stabilizing air supply system.
Background technique
At present, five air compressors air feed in parallel is generally had in workshop, in workshop during normal need of production gas, started shooting to machine room by plant personnel, be generally by employee according to through face start shooting (depending on yielding capacity and establish cushion gas situation), air compressor normally keeps supply gas pressure to be 0.65-0.8MPa, and general employee can hold a little air compressor to ensure normal air feed more.Idle running, in running, after supply gas pressure reaches 0.8MPa, unloads by air compressor, power consumption during through measuring air compressor zero load, be power consumption when loading 25%-35% between (types depending on different), cause certain electricity consumption to waste, and air feed air pressure also has periodic fluctuation.
Summary of the invention
The purpose of this utility model is to provide a kind of frequency-changing pressure stabilizing air supply system, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of frequency-changing pressure stabilizing air supply system, comprise the multiple air compressors be connected in parallel on air feed main pipeline, described air feed main pipeline is provided with baroceptor, described baroceptor sends air pressure signal to PLC, air pressure signal and setting value contrast by PLC, output signal controls the output of frequency variator, and described frequency variator is connected with a wherein air compressor, controls the rotating speed of air compressor; In addition, described PLC also opens/stops control respectively to other air compressors.
As further program of the utility model: be also in series with gas holder and lyophilizer between described air compressor and air feed main pipeline.
As further program of the utility model: described PLC is also connected with touch screen.
Compared with prior art, the beneficial effects of the utility model are:
This system makes the air feed stable gas pressure in workshop, can remain on positive and negative 0. 0lMPa of setting value, and limit regulates the start quantity of air compressor automatically according to workshop gas situation, and power consumption when unloading without air compressor, reaches accurate air feed, precisely start shooting.The electricity charge of about 20% can be saved, the compressor operation time simultaneously also reduced and maintenance frequency in air compressor power consumption.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of frequency-changing pressure stabilizing air supply system.
Embodiment
Be described in more detail below in conjunction with the technological scheme of embodiment to this patent.
Refer to Fig. 1, a kind of frequency-changing pressure stabilizing air supply system, comprise the multiple air compressors 1 be connected in parallel on air feed main pipeline 5, gas holder 2 and lyophilizer 3 is also in series with between described air compressor 1 and air feed main pipeline 5, described air feed main pipeline 5 is provided with baroceptor 4, described baroceptor 4 sends air pressure signal to PLC 6, air pressure signal and setting value contrast by PLC 6, output signal controls the output of frequency variator 8, described frequency variator 8 is connected with a wherein air compressor 1, the rotating speed of air compressor 1 is controlled, and then reaches constant pressure air feeding.In addition, described PLC 6 also opens/stops control (this is conventional technical characteristics, no longer elaborates) respectively to other air compressors 1.As further scheme, described PLC 6 is also connected with touch screen 7, for programming to PLC 6.
Embodiment: arrange altogether five air compressors, described frequency variator is connected with No. 1 air compressor, ensures No. 1 air compressor constant pressure air feeding.The concrete control procedure of native system is as follows: when No. 1 air compressor runs with maximum load, when all can not meet air feed (not reaching setting value), PLC carries out parallel operation air feed by remote opening No. 2 air compressors, if when total air feed of No. 1 air compressor and No. 2 air compressors or deficiency, PLC starts No. 3 air compressor parallel operation air feed, by that analogy, No. 5 air compressors are finally opened.Because No. 1 air compressor is frequency conversion Drazin inverse supply gas pressure, 2-5 air compressor all closes relief switch, will be in loaded state after 2-5 air compressor opens always; When workshop gas consumption tails off gradually, PLC can limit according to first holding the principle (except No. 1 air compressor) of first stopping, and shuts down by platform, to finally only staying No. 1 machine to carry out speed governing operation.
After being transformed by technique, the air feed stable gas pressure in workshop, can remain on positive and negative 0. 0lMPa of setting value, and limit regulates the start quantity of air compressor automatically according to workshop gas situation, and power consumption when unloading without air compressor, reaches accurate air feed, precisely start shooting.The electricity charge of about 20% can be saved, the compressor operation time simultaneously also reduced and maintenance frequency in air compressor power consumption.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned mode of execution, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (3)
1. a frequency-changing pressure stabilizing air supply system, comprise the multiple air compressors be connected in parallel on air feed main pipeline, it is characterized in that, described air feed main pipeline is provided with baroceptor, described baroceptor sends air pressure signal to PLC, and air pressure signal and setting value contrast by PLC, and output signal controls the output of frequency variator, described frequency variator is connected with a wherein air compressor, controls the rotating speed of air compressor; In addition, described PLC also opens/stops control respectively to other air compressors.
2. frequency-changing pressure stabilizing air supply system according to claim 1, is characterized in that, is also in series with gas holder and lyophilizer between described air compressor and air feed main pipeline.
3. frequency-changing pressure stabilizing air supply system according to claim 1 and 2, is characterized in that, described PLC is also connected with touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755802.9U CN204283832U (en) | 2014-12-05 | 2014-12-05 | Frequency-changing pressure stabilizing air supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755802.9U CN204283832U (en) | 2014-12-05 | 2014-12-05 | Frequency-changing pressure stabilizing air supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283832U true CN204283832U (en) | 2015-04-22 |
Family
ID=52866997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420755802.9U Expired - Fee Related CN204283832U (en) | 2014-12-05 | 2014-12-05 | Frequency-changing pressure stabilizing air supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937492A (en) * | 2015-10-16 | 2016-09-14 | 江苏兴达钢帘线股份有限公司 | Automatic constant-pressure control device of air compressor |
| CN109958609A (en) * | 2019-05-06 | 2019-07-02 | 重庆建工市政交通工程有限责任公司 | Tunnel frequency conversion air compressor group intelligent power air feed system and construction method |
-
2014
- 2014-12-05 CN CN201420755802.9U patent/CN204283832U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937492A (en) * | 2015-10-16 | 2016-09-14 | 江苏兴达钢帘线股份有限公司 | Automatic constant-pressure control device of air compressor |
| CN109958609A (en) * | 2019-05-06 | 2019-07-02 | 重庆建工市政交通工程有限责任公司 | Tunnel frequency conversion air compressor group intelligent power air feed system and construction method |
| CN109958609B (en) * | 2019-05-06 | 2024-02-20 | 重庆建工市政交通工程有限责任公司 | Construction method of intelligent power air supply system of tunnel variable frequency air compressor unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20181205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |