CN202914289U - Comprehensive protecting device of air compressor - Google Patents

Comprehensive protecting device of air compressor Download PDF

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Publication number
CN202914289U
CN202914289U CN 201220268788 CN201220268788U CN202914289U CN 202914289 U CN202914289 U CN 202914289U CN 201220268788 CN201220268788 CN 201220268788 CN 201220268788 U CN201220268788 U CN 201220268788U CN 202914289 U CN202914289 U CN 202914289U
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CN
China
Prior art keywords
air compressor
peripheral
plc
main frame
sensor part
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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
Application number
CN 201220268788
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Chinese (zh)
Inventor
李振广
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Zhengzhou Guangzhong Science & Technology Development Co Ltd
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Zhengzhou Guangzhong Science & Technology Development Co Ltd
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Priority to CN 201220268788 priority Critical patent/CN202914289U/en
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Publication of CN202914289U publication Critical patent/CN202914289U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a comprehensive protecting device of an air compressor. The comprehensive protecting device comprises a peripheral sensor device and a main machine. The peripheral sensor device is connected with the main machine through a connecting device, and is used for acquiring a peripheral signal and transferring the peripheral signal to the main machine. The main machine is connected with the peripheral sensor device through the connecting device, and is used for analyzing and processing the peripheral signal transferred by the peripheral sensor device and controlling functional operation of the comprehensive protecting device of the air compressor. The comprehensive protecting device of the air compressor adopts an all-digital control technology, uses programmable logic controller (PLC) as a control core, adopts multiple-way output control, achieves data monitoring and diameter input through a touch screen, has high reliability, safety and easy operability, and meets the safety protection requirements of modern mine, non-mine, chemical engineering, manufacture fields and the like to screw type air compressors, piston type air compressors and air compression stations.

Description

A kind of air compressor comprehensive protector
Technical field
The utility model relates to air press field, particularly a kind of air compressor comprehensive protector.
Background technique
Need compressed-air actuated equipment and need compressed-air actuated place if the air pressure owner produces the pressurized air supply, in air press running, must produce high temperature, high pressure and vibrations, when the parameters such as temperature, pressure, vibrations, electric weight reach certain value, the possibility of causing danger is just arranged, serious formula even lead to a disaster; If overcurrent, overvoltage or overtemperature will certainly reduce the working life of motor and air compressor or cause other danger in the simultaneously drive motor working procedure.For avoiding the generation of dangerous and accident, the parameters such as temperature, pressure, shock momentum and motor electric weight of air compressor are detected and protect, can effectively reduce the incidence rate of danger, accident.
The multiplex analog circut of safety protection means of existing air press or simple digital circuit (single-chip microcomputer) realize, and be low and detection range is narrow to air press operational parameter detection precision such as temperature, pressure, to parameters such as vibrations, electric current, power without detection; The protection output signal of existing air pressure protector all adopts a pair of contact point pair air press to control anxious stopping, and having a large portion to require simultaneously anxious the stopping of executive software to control with anxious the stopping of hardware with the air press, stop if a docking point or control hardware are anxious, control software is anxious to stop, the protection effect is had a greatly reduced quality, do the time spent even can cause equipment failure when protective signal is unilateral for the air engine of some more special brand, when serious even damage; In air compression station; because many air press on-line executes are arranged; and leave unit for subsequent use; this just requires to have flexibly control mode; what existing air pressure protector was realized is the simple protective mode of the corresponding air press of a protective gear; if air compression station or an air press are connected a plurality of bellows chambers or many public typhoon bags of air press, this kind protection is with helpless.
The model utility content
Technical problem to be solved in the utility model provides a kind of air compressor comprehensive protector, is used for solving prior art to the narrow limitation problem of air compressor protection.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of air compressor comprehensive protector, comprise peripheral sensor part and main frame: described peripheral sensor part, it links to each other with described main frame by interface unit, be used for gathering peripheral signal, and the peripheral signal that collects is passed to described main frame; Described main frame, it links to each other with described peripheral sensor part by interface unit, is used for analyzing and processing the peripheral signal that described peripheral sensor part transmits, and controls the function operation of described air compressor comprehensive protector.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, integrated programmable logic controller (PLC) PLC also comprises the touch screen, relay, switch power, tutorial light, control button and the alarm that are connected with described PLC respectively on the described main frame;
Described PLC, it is the core of described air compressor comprehensive protector, it is connected with described peripheral sensor part, the peripheral signal that gathers for the treatment of described peripheral sensor part, and the function of controlling described air compressor protective gear realizes;
Described touch screen, it is connected with the communication port of described PLC, is used for data and shows and input parameter;
Described relay, it is connected with described PLC, is used for main control system and shuts down;
Described switch power, it is connected with described PLC, is used to described main frame power supply;
Described tutorial light, it is connected with described PLC, is used to indicate the real-time status of described air compressor protective gear;
Described control button, it is connected with described PLC, is used for selecting the control function;
Described alarm, it is connected with described PLC, is used for realizing when fault occurs warning function.
Further, described peripheral sensor part comprises separately independently temperature transducer, pressure transducer, shock sensor and electrical quantity sensor, described temperature transducer is for detection of the air compressor temperature signal, described pressure transducer is for detection of the air compressor pressure signal, described shock sensor is for detection of the air compressor shock momentum, and described electrical quantity sensor is for detection of the electric weight of air compressor motor.
Further, described interface unit adopts fool-proof design, the device damage of effectively having avoided incorrect link to cause.In industrial design, fool-proof design refers to cause machine or personal injury for fear of user's operate miss, comprise unconscious action or subconscious misoperation or neglectful limb action, have the preventive measure of doing for these contingent situations.
Further, described main frame is provided with synchronously independently output control of two-way, is respectively applied to anxious the stopping of the software of air compressor suddenly stopped carrying out synchronization control with hardware.Here, two-way is exported complete electrical isolation, makes the protection of air compressor more reasonable and perfect.Here, when output control refers to that the peripheral sensor part detects each Operational Limits and exceeds standard-required in compressor operation, air compressor protective gear main frame will send the signal that stops air compressor.This signal is controlled air compressor by the relay of drive installation in air compressor protective gear mainframe box and is shut down.
The beneficial effects of the utility model are: air compressor comprehensive protector described in the utility model is a kind of high-performance air compressor comprehensive protector that adopts digital control technique, has the distinguishing features such as control is safe and reliable, control accuracy is high, protection domain is wide; The output control of described air compressor comprehensive protector is multichannel, such protective gear just can be realized the protection to multiple air compressors, and the output of every road often have open, the multiple circuit form such as normally closed and normally-open normally-close combination, the so just air compressor of the complete compatible different manufacturers different brands of energy; Described air compressor comprehensive protector adopts advanced programmable controller as control core; touch screen is realized data monitoring and parameter input; combine the multinomial up-to-date scientific and technological achievement of modern power electronic and automation field; with high reliability; high security; ease for operation is design concept, satisfies the industries such as modern mine, non-mine, chemical industry, manufacturing to the needs of screw type air press, piston type air press and air compression station safety protection.
Description of drawings
Fig. 1 is the structural drawing of air compressor comprehensive protector described in the utility model;
Fig. 2 is the structural drawing of main frame described in the utility model;
In the accompanying drawing, the list of parts of each label representative is as follows:
1, peripheral sensor part, 2, main frame, 3, PLC, 4, switch power, 5, touch screen, 6, relay, 7, alarm, 8, tutorial light, 9, the control button.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As shown in Figure 1, the described a kind of air compressor comprehensive protector of present embodiment comprises peripheral sensor part 1 and main frame 2: described peripheral sensor part 1, and it links to each other with described main frame 2 by interface unit, be used for gathering peripheral signal, and the peripheral signal that collects is passed to described main frame 2; Described main frame 2, it links to each other with described peripheral sensor part 1 by interface unit, is used for analyzing and process the peripheral signal that described peripheral sensor part 1 transmits, and controls the function operation of described air compressor comprehensive protector.Here, described interface unit adopts fool-proof design, can select aviation plug as interface unit.
As shown in Figure 2, integrated PLC 3 on the described main frame also comprises the switch power 4, touch screen 5, relay 6, alarm 7, tutorial light 8 and the control button 9 that are connected with described PLC 3 respectively;
Described PLC 3, it is the core of described air compressor comprehensive protector, it is connected with described peripheral sensor part 1, the peripheral signal that gathers for the treatment of described peripheral sensor part 1, and the function of controlling described air compressor protective gear realizes;
Described switch power 4, it is connected with described PLC 3, is used to described main frame power supply;
Described touch screen 5, its communication port with described PLC 3 is connected, and is used for data and shows and input parameter;
Described relay 6, it is connected with described PLC 3, is used for main control system and shuts down;
Described alarm 7, it is connected with described PLC 3, is used for realizing when fault occurs warning function.
Described tutorial light 8, it is connected with described PLC 3, is used to indicate the real-time status of described air compressor protective gear;
Described control button 9, it is connected with described PLC 3, is used for selecting the control function.
In addition, as shown in Figure 1, described main frame 2 is provided with synchronously independently output control of two-way, be respectively applied to anxious the stopping of the software of air compressor stopped carrying out synchronization control with hardware is anxious, and two-way exports complete electrical isolation, makes the protection of air compressor more reasonable and perfect.Particularly; (this operation is normal shutdown operation in the air compressor management process to the shutdown operation of air compressor; be not the shutdown operation under the effect of air compressor protective gear) be to finish by the stop button that the air compressor caretaker operates on the air compressor operation panel; that stop button has is normally closed, and (circuit is connected when normal; circuit disconnects when carrying out shutdown operation), often open (circuit disconnects when normal, and circuit is connected when carrying out shutdown operation) and the normally closed several forms such as combination of often opening.The air compressor protective gear drives the operation that stops air compressor that relay sends, and (this operation is that the air compressor protective gear is when detecting the compressor operation abnormal parameters; the shutdown operation that the air compressor protective gear is implemented air compressor); this operates, and (this effect realizes by electrical connecting wires on the stop botton that also will act on the air compressor operation panel; when the air compressor protective gear sends stop signal; be equivalent to the air compressor caretaker and operated stop botton on the air compressor operation panel), thus the air compressor protective gear finished to the shutdown operation of air compressor.
Again, described peripheral sensor part 1 comprises separately independently temperature transducer, pressure transducer, shock sensor and electrical quantity sensor, described temperature transducer is for detection of the air compressor temperature signal, described pressure transducer is for detection of the air compressor pressure signal, described shock sensor is for detection of the air compressor shock momentum, and described electrical quantity sensor is for detection of the electric weight of air compressor motor.
The described air compressor comprehensive protector of present embodiment is comprised of main frame and peripheral sensor; by the processing to peripheral input signal; if each detection limit exceeds safety range; system will send stopping signal air compressor will be protected; the warning of sounding simultaneously; corresponding tutorial light lights indicating fault status.Air compressor will produce high temperature and high pressure gas in the course of the work; if temperature and pressure reaches certain value; the danger of blasting is just arranged; therefore to the exhaust pressure of air compressor; bellows chamber pressure and delivery temperature; the bellows chamber temperature is protected just necessity very; simultaneously high temperature is to very unfavorable of the operation of air compressor; light then shorten working life of air compressor; heavy then cause the damage of equipment; and cooling water and lubricant oil are the necessary conditions of protection equipment normal operation; so will protect lubrication pressure and the cooling water of air compressor; simultaneously air compressor vibration is excessive also to be to cause one of air compressor main harm; air compressor is because the suction and discharge process has intermittence, so pressure and the speed of air-flow is pulsating nature and cyclically-varying in the pipeline.Little when large during gas pressure, airspeed is sometimes fast and sometimes slow.This pulse pneumatic can produce excitation force when the bend pipe of piping, valve or reducer, incur pipeline vibration, and the inequality of fluctuation pressure is larger, vibrates also larger; The pressure diameter higher, pipeline that recommendation for admission to school is calmed the anger is larger, and excitation force is also larger; Pulse pneumatic incurs the frequency of pipeline vibration, if identical or close with the natural frequency of pipe configuration system, can incur Management of Pipeline Mechanical Equipment resonance, even if excitation force is little, the vibration of pipeline also can be fierce especially.The result of pipe vibration be make between the tube and tube or pipe and bellows chamber, valve, cooler between continuous position bear the vibration stress of repetition, make pipe-line system suffer additional tired load, can present the loosening cracking phenomena that causes, gently then produce and reveal, heavy then incur blast, lead to a disaster.The electric weight of air compressor motor (electric datas such as voltage, electric current) directly reflects the working state of a plurality of parts of air compressor, and is also very necessary to the detection protection of air compressor motor electric weight.For this problem, the described air compressor protective gear of present embodiment, specifically the following aspects of air compressor is protected:
The one, for delivery temperature, bellows chamber temperature detection and control, this is to process by the data to exhaust gas temperature sensor and bellows chamber temperature transducer, delivery temperature and bellows chamber temperature show in real time carries out, if temperature exceeds safety range, device will be reported to the police and be sent stopping signal;
The 2nd, for monitoring and the control of air compressor exhaust pressure, gas holder pressure, lubricating oil pressure and cooling water pressure, this is by the data of corresponding pressure transducer are processed to analyze, if pressure sensing exceeds safety range, corresponding tutorial light is bright, acoustooptic alarm, and automatically stop air compressor;
The 3rd, to the Detection ﹠ Controling of vibrations, comprise that mainly this is to analyze by the data processed result to shock sensor to the Detection ﹠ Controling of handpiece of air compressor vibrations and drive motor vibrations, if vibrations exceed safety range, corresponding tutorial light is bright,
The 4th, to driving the Detection ﹠ Controling of main motor electric weight, this is to analyze by the data processed result to electrical quantity sensor, if the motor electric weight exceeds safety range, corresponding tutorial light is bright, acoustooptic alarm.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (5)

1. an air compressor comprehensive protector is characterized in that, comprises peripheral sensor part and main frame:
Described peripheral sensor part, it links to each other with described main frame by interface unit, is used for gathering peripheral signal, and the peripheral signal that collects is passed to described main frame;
Described main frame, it links to each other with described peripheral sensor part by interface unit, is used for analyzing and processing the peripheral signal that described peripheral sensor part transmits, and controls the function operation of described air compressor comprehensive protector.
2. device according to claim 1 is characterized in that, integrated programmable logic controller (PLC) PLC also comprises the touch screen, relay, switch power, tutorial light, control button and the alarm that are connected with described PLC respectively on the described main frame;
Described PLC, it is connected with described peripheral sensor part, the peripheral signal that gathers for the treatment of described peripheral sensor part, and the function of controlling described air compressor protective gear realizes;
Described touch screen, it is connected with the communication port of described PLC, is used for realizing that data show and the parameter input;
Described relay, it is connected with described PLC, is used for main control system and shuts down;
Described switch power, it is connected with described PLC, is used to described main frame power supply;
Described tutorial light, it is connected with described PLC, is used to indicate the real-time status of described air compressor protective gear;
Described control button, it is connected with described PLC, is used for selecting the control function;
Described alarm, it is connected with described PLC, is used for realizing when fault occurs warning function.
3. device according to claim 1, it is characterized in that, described peripheral sensor part comprises separately independently temperature transducer, pressure transducer, shock sensor and electrical quantity sensor, described temperature transducer is for detection of the air compressor temperature signal, described pressure transducer is for detection of the air compressor pressure signal, described shock sensor is for detection of the air compressor shock momentum, and described electrical quantity sensor is for detection of the electric weight of air compressor motor.
4. device according to claim 1 is characterized in that, described interface unit adopts fool-proof design.
5. device according to claim 1 is characterized in that, described main frame is provided with synchronously independently output control of two-way, is respectively applied to anxious the stopping of the software of air compressor suddenly stopped carrying out synchronization control with hardware.
CN 201220268788 2012-06-07 2012-06-07 Comprehensive protecting device of air compressor Expired - Fee Related CN202914289U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220268788 CN202914289U (en) 2012-06-07 2012-06-07 Comprehensive protecting device of air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220268788 CN202914289U (en) 2012-06-07 2012-06-07 Comprehensive protecting device of air compressor

Publications (1)

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CN202914289U true CN202914289U (en) 2013-05-01

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CN 201220268788 Expired - Fee Related CN202914289U (en) 2012-06-07 2012-06-07 Comprehensive protecting device of air compressor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848895A (en) * 2015-05-15 2015-08-19 沈阳理工大学 Anti-intensive-impact and high-voltage-resistant temperature pressure sensor combined device
CN105549509A (en) * 2015-12-31 2016-05-04 株洲壹星科技股份有限公司 Wind source system intelligence controller used for track locomotive vehicle and control method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848895A (en) * 2015-05-15 2015-08-19 沈阳理工大学 Anti-intensive-impact and high-voltage-resistant temperature pressure sensor combined device
CN105549509A (en) * 2015-12-31 2016-05-04 株洲壹星科技股份有限公司 Wind source system intelligence controller used for track locomotive vehicle and control method thereof
CN105549509B (en) * 2015-12-31 2018-10-19 株洲壹星科技股份有限公司 Rail locomotive vehicle air supply system intelligent controller and control method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130501

Termination date: 20160607

CF01 Termination of patent right due to non-payment of annual fee