CN206845469U - The logic control device of permanent-magnetic variable frequency screw compressor and the compressor for including it - Google Patents
The logic control device of permanent-magnetic variable frequency screw compressor and the compressor for including it Download PDFInfo
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- CN206845469U CN206845469U CN201720569781.5U CN201720569781U CN206845469U CN 206845469 U CN206845469 U CN 206845469U CN 201720569781 U CN201720569781 U CN 201720569781U CN 206845469 U CN206845469 U CN 206845469U
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Abstract
The utility model provides the logic control device of permanent-magnetic variable frequency screw compressor, including：Data acquisition components, including the signal supervisory instrument in permanent-magnetic variable frequency screw compressor, the signal supervisory instrument are used to gather electric signal；Logic control unit, including frequency converter and controller；Man-machine interface, it is connected with controller, the man-machine interface shows real-time data signal and input operation signal, including display module and input module；The utility model additionally provides the compressor of the logic control device comprising above-mentioned permanent-magnetic variable frequency screw compressor.The utility model has the advantage of have man-machine interface, can show the detection data of each detection means, operating personnel can know the current state of air compressor machine, and further air compressor machine can be operated, and change compressor operation state.
Description
Technical field
It the utility model is related to air compressor technical field, more particularly to the logic control of permanent-magnetic variable frequency screw compressor
Device and the compressor for including it.
Background technology
The frequency-changing control system of permanent-magnetic variable frequency screw compressor on domestic market, environment is operated with to improve,
Controlled using PID equivalent, carry out simple controlled motor output frequency, but often while output frequency is adjusted, as heavy duty
The helical-lobe compressor of type machinery does not have obtains suitable motor torque very well, easily causes screw machine abnormal sound, and vibration values are bigger than normal,
Shake.So as to have a strong impact on the service life of screw machine.
A kind of constant-pressure variable intelligent air compressor of patent of invention of Application No. 201210258957.7, motor is rare earth permanent magnet
Synchronous motor, the air compressor machine also include frequency converter, intelligent controller, pressure transmitter and temperature sensor, pressure transmitter
And temperature sensor is respectively arranged in the exhaust outlet and compressed air outlet of compressor host, the output end and temperature of pressure transmitter
The output end of degree sensor connects the input of intelligent controller respectively.Controlled, can reach using frequency converter and intelligent controller
Soft start, constant pressure air feeding, reduce noise, energy-conservation etc. acts on, during operation, current of electric is big not over full-load current, while also
The big impact reduced to power network, will not cause damage to electrical equipment.But the technology being previously mentioned in the patent, although realizing
Automatic constant-pressure supply, but due to lacking monitoring and feedback device, the situation of air compressor machine everywhere all can not be very clear, to still
So the abnormal sound of existing screw machine and vibration can not be detected and improved.
Therefore, how for present in above-mentioned prior art the shortcomings that, carries out research and development improvement, is actually exerted needed for relevant industry
In view of this target of power research and development, the utility model designer, are the idea of think of and creation, set then with experience for many years
Meter, through inquiring into many ways and studying sampling test, and repeatedly amendment improvement, it is to release the utility model.
Utility model content
(1) technical problems to be solved
In view of above-mentioned technical problem, the utility model provides the multi-faceted permanent-magnetic variable frequency screw compression for detecting and showing
The logic control device of machine and the compressor for including it.
(2) technical scheme
The utility model provides the logic control device of permanent-magnetic variable frequency screw compressor, and the logic control device includes：
Data acquisition components, including the signal supervisory instrument in permanent-magnetic variable frequency screw compressor, the signal inspection
Device is surveyed to be used to gather electric signal；
Logic control unit, including frequency converter and controller, two-way check is realized between the controller and detection device
Communication and information are exchanged, and the frequency converter is connected with controller, and the frequency converter enters line number to the information by being inputted in controller
According to logical operation, the torque output of screw machine magneto is converted into；
Man-machine interface, it is connected with controller, the man-machine interface shows real-time data signal and input operation signal, including aobvious
Show module and input module.
In some embodiments of the utility model, the signal supervisory instrument includes inductive pressure transducer and sensing temperature
Spend sensor.
In some embodiments of the utility model, the inductive pressure transducer is arranged on the exhaust of permanent-magnetic variable frequency screw machine
On pipeline and permanent-magnetic variable frequency screw machine output pipe, for gathering continuous quantity electric signal, and controller is transferred to；
The temperature sensor sensor is arranged on permanent-magnetic variable frequency screw machine gas exhaust piping and magneto winding, for adopting
Collect continuous resistance signal, and be transferred to controller.
In some embodiments of the utility model, the detection device also includes vibrating sensor.
In some embodiments of the utility model, the induction vibration sensor is arranged on permanent-magnetic variable frequency screw machine screw rod
On main frame, for gathering the continuous inductance signal of screw host, and controller is transferred to.
In some embodiments of the utility model, the detection device also includes sensing velocity sensor.
In some embodiments of the utility model, the sensing velocity sensor, which is arranged in permanent-magnetic variable frequency screw machine, to be held in the palm
On frame and shaft coupling, for gathering the continuous induced signal of motor output speeds, and controller is transferred to.
In some embodiments of the utility model, pass through aviation plug number between described information detection device and controller
Connected according to line.
In some embodiments of the utility model, the man-machine interface display module real-time display controller is transmitted across
The data message come, the data message include detection device the collects and data message after processing.
The utility model additionally provides a kind of compression of the logic control device comprising above-mentioned permanent-magnetic variable frequency screw compressor
Machine, including main frame, magneto.
(3) beneficial effect
It can be seen from the above technical proposal that the utility model at least has the advantages that one of them：
(1) there is man-machine interface, the detection data of each detection means can be shown, operating personnel can know air compressor machine mesh
Preceding state, and further air compressor machine can be operated, change compressor operation state；
(2) by pressure and temperature sensor, permanent-magnetic variable frequency screw machine gas exhaust piping and permanent-magnetic variable frequency screw can be perceived
Temperature in pressure on machine output pipe, and permanent-magnetic variable frequency screw machine gas exhaust piping and magneto winding, it is basic to perceive master
Situation on machine and motor, it is easy to by controller and the further optimal control of frequency converter；
(3) by vibrating sensor, the vibration on permanent-magnetic variable frequency screw machine screw host is perceived, with reference on main frame and motor
Temperature and pressure information, further preferably control magneto motion；
(4) by velocity sensor, magneto output speed is perceived, with reference on main frame vibration information and main frame and motor
Pressure and temperature information, be easy to use optimal magneto control strategy；
(5) data that man-machine interface real-time display signal supervisory instrument collects, personnel easy to operation check understanding in time
Running situation, and order can be inputted, carry out manual intervention；
(6) air compressor of the control device is used, optimizes the control of magneto, air compressor machine internal operation situation
It is very clear.
Brief description of the drawings
Fig. 1 is the block diagram of the utility model embodiment.
Embodiment
The utility model provides the logic control device of permanent-magnetic variable frequency screw compressor.It is different that comprehensive improvement improves screw machine
Ring, vibration values are bigger than normal, the situation of shake, and air compressor machine internal work is monitored in real time.
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment,
And referring to the drawings, the utility model is further described.
In an exemplary embodiment of the present utility model, there is provided the logic control dress of permanent-magnetic variable frequency screw compressor
Put.Fig. 1 is the block diagram of the utility model embodiment.As shown in figure 1, the utility model includes：Data acquisition components, logic control
Part and man-machine interface.Data acquisition components synthetical collection much information, after logic control unit is handled, is exported to permanent magnetism
The control signal of motor, control the motion of magneto；Information after processing is also shown in man-machine interface, for operating personnel
Check, to understand current compressor operation state.
Each part of the present embodiment is described in detail individually below.
Data acquisition components, including the signal supervisory instrument in permanent-magnetic variable frequency screw compressor, signal detection dress
Put for gathering electric signal.
Signal supervisory instrument includes inductive pressure transducer, temperature sensor sensor；
Wherein, the inductive pressure transducer set on permanent-magnetic variable frequency screw machine gas exhaust piping, connect for gathering 4-20mA
Continuous amount electric signal, and data conversion is carried out by logic analysis, and it is transferred to frequency converter controller.
The inductive pressure transducer set on permanent-magnetic variable frequency screw machine output pipe, for gathering 4-20mA continuous quantities electricity
Signal, and data conversion is carried out by logic analysis, and it is transferred to frequency converter controller.
The temperature sensor sensor set on permanent-magnetic variable frequency screw machine gas exhaust piping, for gathering PT100 (100 Ω) even
Continuous resistance signal, and data conversion is carried out by logic analysis, and it is transferred to frequency converter controller.
The temperature sensor sensor set on permanent-magnetic variable frequency screw machine magneto winding, for gathering PT100 (100
Ω) continuous resistance signal, and data conversion is carried out by logic analysis, and it is transferred to frequency converter controller.
Signal supervisory instrument also includes vibrating sensor, sensing velocity sensor,
Wherein, the induction vibration sensor set on permanent-magnetic variable frequency screw machine screw host, for gathering screw host
Continuous inductance signal, and data conversion is carried out by logic analysis, and is transferred to frequency converter controller.
The sensing velocity sensor set in permanent-magnetic variable frequency screw machine on bracket and shaft coupling, for gathering motor output
The continuous induced signal of rotating speed, and data conversion is carried out by logic analysis, and it is transferred to frequency converter controller.
When permanent-magnetic variable frequency screw machine unit allocation is run, by obtaining inductive pressure transducer, temperature sensor, speed in real time
Sensor is spent, the data value of vibrating sensor, frequency converter controller logical operation system is participated in, adjusts rational output torque,
To improve the operational reliability of unit.
Logic control unit, including frequency converter and controller, two-way check communication is realized between controller and detection device
Exchanged with information, frequency converter is connected with controller, and frequency converter turns to carrying out mathematical logic computing by the information inputted in controller
Turn to the torque output of screw machine magneto；Frequency converter can also carry out self diagnosis, and receive fault message.
Whole permanent-magnetic variable-frequency Compressor Group is provided with a set of common control system, i.e., there is provided frequency converter controller, respectively
Helical-lobe compressor key position is mounted with inductive pressure transducer, temperature sensor sensor, induction vibration sensor, senses speed
Sensor, and connected by aviation plug data wire, realize two-way check communication and exchange data.Pass through the number of permanent-magnetic variable-frequency device
According to logical operation, the reasonable torque output of screw machine magneto, the normal operation of each critical data of simultaneous real-time monitoring are realized.
Man-machine interface, it is connected with controller, the man-machine interface shows real-time data signal and input operation signal, including aobvious
Show module and input module.The data message that man-machine interface display module real-time display controller sends over, the data message
Data message collected including detection device and after processing.Each sensor communication cable will by respective communication interface
Each running status Chinese display or is operated in man-machine interface, can select different running status and function as needed,
Such as the automatic function of motion, control energy-saving operation, control start and stop.
So far, the present embodiment is described in detail combined accompanying drawing.According to above description, those skilled in the art
There should be clear understanding to the utility model.
It should be noted that in accompanying drawing or specification text, the implementation that does not illustrate or describe is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously
It is not limited only to various concrete structures, shape or the mode mentioned in embodiment.
It should also be noted that, the demonstration of the parameter comprising particular value can be provided herein, but these parameters are without definite etc.
In corresponding value, but analog value can be similar in acceptable error margin or design constraint.The side mentioned in embodiment
To term, such as " on ", " under ", "front", "rear", "left", "right" etc., only it is the direction of refer to the attached drawing, is not used for limiting this
The protection domain of utility model.In addition, unless specifically described or the step of must sequentially occur, the order of above-mentioned steps is simultaneously unlimited
Be formed on it is listed above, and can according to it is required design and change or rearrange.And above-described embodiment can be based on design and reliable
The consideration of degree, the collocation that is mixed with each other use using or with other embodiment mix and match, i.e., the technical characteristic in different embodiments
More embodiments can be freely formed.
Particular embodiments described above, the purpose of this utility model, technical scheme and beneficial effect are carried out to enter one
Step describes in detail, should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, it is all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done etc., it all should wrap
It is contained within the scope of protection of the utility model.
Claims (10)
1. the logic control device of permanent-magnetic variable frequency screw compressor, it is characterised in that the logic control device includes：
Data acquisition components, including the signal supervisory instrument in permanent-magnetic variable frequency screw compressor, the signal detection dress
Put for gathering electric signal；
Logic control unit, including frequency converter and controller, two-way check communication is realized between the controller and detection device
Exchanged with information, the frequency converter is connected with controller, and the frequency converter carries out data to the information by being inputted in controller and patrolled
Computing is collected, is converted into the torque output of screw machine magneto；
Man-machine interface, it is connected with controller, the man-machine interface shows real-time data signal and input operation signal, including display mould
Block and input module.
2. the logic control device of permanent-magnetic variable frequency screw compressor according to claim 1, it is characterised in that the signal
Detection means includes inductive pressure transducer and temperature sensor sensor.
3. the logic control device of permanent-magnetic variable frequency screw compressor according to claim 2, it is characterised in that the sensing
Pressure sensor is arranged on permanent-magnetic variable frequency screw machine gas exhaust piping and permanent-magnetic variable frequency screw machine output pipe, continuous for gathering
Electric signal is measured, and is transferred to controller；
The temperature sensor sensor is arranged on permanent-magnetic variable frequency screw machine gas exhaust piping and magneto winding, for the company of collection
Continuous resistance signal, and it is transferred to controller.
4. the logic control device of permanent-magnetic variable frequency screw compressor according to claim 2, it is characterised in that the detection
Equipment also includes vibrating sensor.
5. the logic control device of permanent-magnetic variable frequency screw compressor according to claim 4, it is characterised in that the sensing
Vibrating sensor is arranged on permanent-magnetic variable frequency screw machine screw host, for gathering the continuous inductance signal of screw host, and is passed
It is defeated to arrive controller.
6. the logic control device of permanent-magnetic variable frequency screw compressor according to claim 2, it is characterised in that the detection
Equipment also includes sensing velocity sensor.
7. the logic control device of permanent-magnetic variable frequency screw compressor according to claim 6, it is characterised in that the sensing
Velocity sensor is arranged in permanent-magnetic variable frequency screw machine on bracket and shaft coupling, continuously senses letter for gathering motor output speeds
Number, and it is transferred to controller.
8. the logic control device of permanent-magnetic variable frequency screw compressor according to claim 1, it is characterised in that described information
Connected between detection device and controller by aviation plug data wire.
9. the logic control device of permanent-magnetic variable frequency screw compressor according to claim 1, it is characterised in that described man-machine
The data message that interface display module real-time display controller sends over, the data message include what detection device collected
And the data message after processing.
10. including the compressor of any one of the claim 1-9 logic control device of permanent-magnetic variable frequency screw compressor, its feature exists
In, including main frame, magneto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569781.5U CN206845469U (en) | 2017-05-19 | 2017-05-19 | The logic control device of permanent-magnetic variable frequency screw compressor and the compressor for including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569781.5U CN206845469U (en) | 2017-05-19 | 2017-05-19 | The logic control device of permanent-magnetic variable frequency screw compressor and the compressor for including it |
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| Publication Number | Publication Date |
|---|---|
| CN206845469U true CN206845469U (en) | 2018-01-05 |
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| CN201720569781.5U Active CN206845469U (en) | 2017-05-19 | 2017-05-19 | The logic control device of permanent-magnetic variable frequency screw compressor and the compressor for including it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799125A (en) * | 2018-05-31 | 2018-11-13 | 江苏雪梅制冷设备有限公司 | A kind of double-screw refrigeration compressor intelligent frequency convertor |
-
2017
- 2017-05-19 CN CN201720569781.5U patent/CN206845469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799125A (en) * | 2018-05-31 | 2018-11-13 | 江苏雪梅制冷设备有限公司 | A kind of double-screw refrigeration compressor intelligent frequency convertor |
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