CN201925139U - Automatic control device of air compressor for mines - Google Patents
Automatic control device of air compressor for mines Download PDFInfo
- Publication number
- CN201925139U CN201925139U CN2011200017381U CN201120001738U CN201925139U CN 201925139 U CN201925139 U CN 201925139U CN 2011200017381 U CN2011200017381 U CN 2011200017381U CN 201120001738 U CN201120001738 U CN 201120001738U CN 201925139 U CN201925139 U CN 201925139U
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- air compressor
- controller
- sensor
- automatic control
- frequency variator
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Abstract
An automatic control device of an air compressor for mines comprises a controller, a display device, an upper computer, a frequency converter, an air compressor unit and a sensor. The controller is connected with the upper compute, the frequency converter and the display device via data lines respectively, a signal output end of the sensor is connected with the controller, a signal end of the frequency converter is connected with the controller, and a control end of the frequency converter is connected with the air compressor unit. The automatic control device can be used for controlling start, stop and switching of the air compressor automatically, is capable of detecting various parameters of the air compressor during operation and regulating and controlling the air compressor unit properly, and accordingly working efficiency is high.
Description
Technical field
The utility model relates to mine gas and carries control apparatus, the particularly a kind of control gear that can make adjusting automatically to mining air compressor.
Background technique
The mine supply station belongs to large-scale fixedly one of machine room, and electric motor power is bigger, and a common supply station is installed several air compressors (hereinafter to be referred as " air compressor "), forms air supply system with supply air line, is generally the multiple air compressors cooperation to the pipe network air feed.The air compressor separate unit electric motor power that use in the mine is usually tens between the hundreds of kilowatt, and electric pressure has high pressure and low pressure.The mine supply station is generally continuously or " diastem " method of operation, and supply station institute power consumption accounts for about 30% of mine total electricity consumption.Air compressor belongs to one of main energy consumption equipment in mine.At present; piston type and two types of air compressors of screw type are generally used in the mine; control to air compressor mainly contains " simple reduced voltage starting power frequency operation " and " VFC " dual mode; adopt " one to one " separate unit control type; principle and structure are all fairly simple; startup-shutdown exists many deficiencies by control manually.Particularly the mode of " reduced voltage starting power frequency operation " is a kind of mode that always adopts in the past, and still many at present air compressor machines adopt this kind mode.
The model utility content
The technical problem that the utility model solved is to provide a kind of mining Automatic Control of Air Compressor device, needs manual control, ineffective problem with start-stop and the selection switching that solves air compressor in the above-mentioned background technology.
The technical problem that the utility model solved realizes by the following technical solutions:
Mining Automatic Control of Air Compressor device, comprise controller, display unit, upper-position unit, frequency variator and pneumatics unit, described controller utilizes datawire to be connected with upper-position unit, frequency variator, display unit respectively, be with the remarkable difference of the mining air compressor control gear of tradition, in the utility model, the signal end of described frequency variator connects controller, and the control end of frequency variator connects the pneumatics unit, the utility model also comprises sensor in addition, and the signal output part of this sensor connects controller.
As a kind of improvement, described sensor comprises and is useful on current transformer, the voltage transformer that is used to measure the air compressor input voltage, the air flow sensor that is used to measure air compressor ingress air quantity of measuring the air compressor input current, the sensor that is used to measure the wind pressure sensor of air compressor ingress blast (static pressure and total head) and is used to measure motor temperature, bearing temperature, air compressor vibration; In addition, can also be provided with the frequency sensor that the frequency of frequency variator is directly exported to display unit.
As a kind of improvement, between described sensor and the controller safety protection device is installed.When the temperature of efficient, motor and the frequency variator input current of blast, air compressor and voltage, motor and each parts of air compressor reaches the alarming value of setting or trip value; warning device sends caution or trip signal; and consersion unit operation troubles directly perceived, or autostop and start standby air compressor.
As a kind of improvement, described display unit is a touch-screen display, and this touch-screen display is used for frequency variator input current and voltage, the output frequency of frequency variator, air quantity and blast (static pressure and total head), the efficient of air compressor and the demonstration of other each Operational Limitss of air compressor.
As a kind of improvement, described controller is a programmable controller, processing such as it can be changed the various signals that receive, computing and judgement, change control signal into to frequency variator, realization is to the control of the frequency of frequency variator, export various parameter amounts simultaneously to devices such as demonstration, warnings, realize supervision and monitoring each Operational Limits of air compressor.
As a kind of improvement, described pneumatics unit comprises the air compressor of at least two parallel connections.
Working principle of the present utility model is as follows:
The on-the-spot service data of sensor sends to programmable controller and carries out intelligent computing, draws the operational efficiency of air compressor, and the air feed demand is converted into analog quantity output signals control air compressor rotating speed, thereby realizes the function of air feed as required.
Owing to adopted above technological scheme, the utlity model has following beneficial effect:
The utility model can be made automatic control to the start-stop and the switching of air compressor, and the parameters can detect compressor operation automatically the time, the pneumatics unit is regulated and control high working efficiency in good time.
Description of drawings
Fig. 1 is a composition schematic representation of the present utility model
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, mining Automatic Control of Air Compressor device, comprise controller 1, display unit 2, upper-position unit 3, frequency variator 4 and pneumatics unit 5, described controller 1 utilizes datawire to be connected with upper-position unit 3, frequency variator 4, display unit 2 respectively, be with the remarkable difference of the mining air compressor control gear of tradition, in the utility model, the signal end of described frequency variator 4 connects controller 1, the control end of frequency variator 4 connects pneumatics unit 5, the utility model also comprises sensor 6 in addition, and the signal output part of this sensor 6 connects controller 1.
In the present embodiment, described sensor 6 includes current transformer, the voltage transformer that is used to measure the air compressor input voltage, the air flow sensor that is used to measure air compressor ingress air quantity that is used to measure the air compressor input current, the sensor that is used to measure the wind pressure sensor of air compressor ingress blast (static pressure and total head) and is used to measure motor temperature, bearing temperature, air compressor vibration; In addition, also be provided with the frequency sensor that the frequency of frequency variator 4 is directly exported to display unit.
In the present embodiment, between described sensor 6 and the controller 1 safety protection device 7 is installed.When the temperature of efficient, motor and the frequency variator input current of blast, air compressor and voltage, motor and each parts of air compressor reaches the alarming value of setting or trip value; warning device sends caution or trip signal; and consersion unit operation troubles directly perceived, or autostop and start standby air compressor.
In the present embodiment, described display unit 2 is a touch-screen display, and this touch-screen display is used for frequency variator input current and voltage, the output frequency of frequency variator, air quantity and blast (static pressure and total head), the efficient of air compressor and the demonstration of other each Operational Limitss of air compressor.
In the present embodiment, described controller 1 is a programmable controller, processing such as it can be changed the various signals that receive, computing and judgement, change control signal into to frequency variator, realization is to the control of the frequency of frequency variator, export various parameter amounts simultaneously to devices such as demonstration, warnings, realize supervision and monitoring each Operational Limits of air compressor.
In the present embodiment, described pneumatics unit 5 comprises the air compressor of five parallel connections, and controller 1 can utilize frequency variator 4 to realize the start-stop of air compressor is controlled and switching.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. mining Automatic Control of Air Compressor device, comprise controller, display unit, upper-position unit, frequency variator and pneumatics unit, described controller utilizes datawire to be connected with upper-position unit, frequency variator, display unit respectively, it is characterized in that: also comprise sensor, the signal output part of this sensor connects controller, the signal end of described frequency variator connects controller, and the control end of frequency variator connects the pneumatics unit.
2. mining Automatic Control of Air Compressor device according to claim 1, it is characterized in that: described pneumatics unit comprises the air compressor of at least two parallel connections.
3. mining Automatic Control of Air Compressor device according to claim 1 is characterized in that: between described sensor and the controller safety protection device is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200017381U CN201925139U (en) | 2011-01-05 | 2011-01-05 | Automatic control device of air compressor for mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200017381U CN201925139U (en) | 2011-01-05 | 2011-01-05 | Automatic control device of air compressor for mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925139U true CN201925139U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200017381U Expired - Fee Related CN201925139U (en) | 2011-01-05 | 2011-01-05 | Automatic control device of air compressor for mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410189A (en) * | 2011-09-22 | 2012-04-11 | 中国北车集团大连机车车辆有限公司 | Locomotive air compressor controlling method |
| CN103032299A (en) * | 2011-10-10 | 2013-04-10 | 上海施耐德日盛机械(集团)有限公司 | Dual-variable-frequency air compressor unit |
-
2011
- 2011-01-05 CN CN2011200017381U patent/CN201925139U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410189A (en) * | 2011-09-22 | 2012-04-11 | 中国北车集团大连机车车辆有限公司 | Locomotive air compressor controlling method |
| CN103032299A (en) * | 2011-10-10 | 2013-04-10 | 上海施耐德日盛机械(集团)有限公司 | Dual-variable-frequency air compressor unit |
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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: 20110810 Termination date: 20140105 |