CN208522668U - A kind of carried displacement air compressor - Google Patents
A kind of carried displacement air compressor Download PDFInfo
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- CN208522668U CN208522668U CN201821259807.7U CN201821259807U CN208522668U CN 208522668 U CN208522668 U CN 208522668U CN 201821259807 U CN201821259807 U CN 201821259807U CN 208522668 U CN208522668 U CN 208522668U
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- frequency converter
- frequency
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- control terminal
- air compressor
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Abstract
The utility model relates to air compressor protection technique fields, and in particular to carried displacement air compressor.By the way of multiple frequency converters arrangement, power supply only is provided for variable-frequency motor by a frequency converter in section at the same time.Including variable-frequency motor, at least two frequency converters, frequency converter selection device, line concentration isolating device and microcontroller;On the one-to-one power output end for being connected to frequency converter selection device of the power input of each frequency converter;On the one-to-one power input for being connected to line concentration isolating device of the power output end of each frequency converter;The power output end of line concentration isolating device is connected on the power input of variable-frequency motor;Temperature testing organization is respectively equipped on each frequency converter;Each temperature testing organization, the control terminal of each frequency converter, the control terminal of variable-frequency motor, the control terminal of the control terminal of frequency converter selection device and line concentration isolating device are connect with microcontroller respectively.
Description
Technical field
The utility model relates to air compressor protection technique fields, and in particular to a kind of carried displacement air compressor.
Background technique
Air compressor is to drive work by variable-frequency motor, and frequency converter is that the equipment of power supply is provided for variable-frequency motor,
During frequency converter provides power supply for variable-frequency motor, since each electronic component in frequency converter can generate heat, thus
The frequency converter to work long hours is caused integrally to generate heat, so that the heat on each electronic component in frequency converter is more accumulating
It is more, the case where electronic component in frequency converter is burned appearance is eventually led to, the service life of frequency converter is influenced.
Utility model content
The utility model is to solve after the frequency converter on existing air compressor works long hours because of its fever easily quilt
The deficiency burnt out, provide it is a kind of using multiple frequency converters arrangement by the way of, in section at the same time, only by a frequency converter
Power supply is provided for variable-frequency motor, and another greater than automatically selecting after set temperature in the temperature on this frequency converter for providing power supply
A frequency converter is variable-frequency motor power supply, and high-efficient, flexibility is good, a kind of safe and reliable carried displacement air compressor.
The above technical problem is solved through the following technical scheme:
A kind of carried displacement air compressor, the gas handling system of air compressor by the variable-frequency motor of air compressor drive into
Gas;Including at least two frequency converters, alarm lamp, frequency converter selection device, line concentration isolating device and microcontroller;It is selected in frequency converter
Device is selected equipped with the power output end equal with frequency converter number;It is equipped in line concentration isolating device equal with frequency converter number
Power input;On the one-to-one power output end for being connected to frequency converter selection device of the power input of each frequency converter;
On the one-to-one power input for being connected to line concentration isolating device of the power output end of each frequency converter;The electricity of line concentration isolating device
Source output terminal is connected on the power input of variable-frequency motor;Temperature testing organization is respectively equipped on each frequency converter;Alarm
The control of lamp, each temperature testing organization, the control terminal of each frequency converter, the control terminal of variable-frequency motor, frequency converter selection device
The control terminal of end and line concentration isolating device is connect with microcontroller respectively;Voltage is equipped on the power output end of each frequency converter
Zero crossing detection device, voltage zero-cross detection device are connect with microcontroller.
It is detected with power supply zero crossing of the voltage zero-cross detection device to corresponding frequency converter output.When voltage zero-cross detects
Device detects that the voltage of corresponding frequency converter output near zero-crossing point, cuts off this current converter power supply, is closed at
Power supply corresponding to that be selected frequency converter.
Suitable for the operating method of carried displacement air compressor, in section at the same time only by a frequency converter be become
Frequency motor provides power supply;During variable-frequency motor work, the temperature of temperature testing organization real-time detection frequency converter;When a frequency conversion
After temperature on device is higher than set temperature, do not have the frequency conversion that temperature is minimum in the frequency converter of work currently by micro-controller instructions
Device is variable-frequency motor power supply, and powers on the same of moment to variable-frequency motor offer power supply in this minimum frequency converter of Current Temperatures
When disconnect and current provide that of power supply to variable-frequency motor and be in the electricity between the frequency converter and variable-frequency motor of the condition of high temperature
Road line;And so on, to guarantee that the temperature on frequency converter will not rise so high and the case where burning out frequency converter occurs.Display
The Current Temperatures of each frequency converter of device real-time display.Display also simultaneously real-time display currently be specifically by which frequency converter for
Variable-frequency motor power supply, intuitive is good, understands the current state of each frequency converter convenient for user.
This programme is by the way of multiple frequency converters arrangement, is only to become by a frequency converter in section at the same time
Frequency motor provides power supply, and automatically selects another change after the temperature on this frequency converter for providing power supply is greater than set temperature
Frequency device is variable-frequency motor power supply, and high-efficient, flexibility is good, securely and reliably.
Preferably, frequency converter selection device includes the preposition relay equal with frequency converter number, each preposition relay
The control terminal of device is connect with microcontroller respectively;One end of each preposition relay is one-to-one to be connected to frequency converter selection device
On power output end, the other end of each preposition relay is connected on the power input of frequency converter selection device.
Preposition relay is used to select specific frequency converter for variable-frequency motor power supply, flexibility is good.
Preferably, being also connected with key on a microcontroller.It can be to frequency converter selection device and line concentration by key
The job requirement of isolating device is configured.
The utility model can reach following effect:
The utility model structure is simple, by the way of multiple frequency converters arrangement, in section at the same time, only by one
A frequency converter provides power supply for variable-frequency motor, and automatic after the temperature on this frequency converter for providing power supply is greater than set temperature
Select another frequency converter for variable-frequency motor power supply, high-efficient, flexibility is good, securely and reliably.
Detailed description of the invention
Fig. 1 is that the utility model embodiment variable-frequency motor chain drive or so calms the anger rotating wheel and the right side is calmed the anger rotating wheel rotation
A kind of principle attachment structure schematic diagram.
Fig. 2 is a kind of section attachment structure schematic diagram at the utility model embodiment gas handling system.
Fig. 3 is that the utility model embodiment frequency converter is connected to a kind of attachment structure schematic diagram on variable-frequency motor.
Fig. 4 is a kind of attachment structure schematic diagram at the utility model embodiment collection wind bottle.
Fig. 5 is a kind of circuit theory connection structure schematic block diagram of the utility model embodiment.
Fig. 6 is a kind of attachment structure schematic diagram at the utility model embodiment temperature testing organization.
Fig. 7 is that the utility model embodiment variable-frequency motor driving left and right calms the anger and rotating wheel and right calms the anger the one of rotating wheel rotation
Kind state attachment structure schematic diagram.
Specific embodiment
The utility model is further described with embodiment with reference to the accompanying drawing.
Embodiment, a kind of carried displacement air compressor, refer to figures 1-7, the gas handling system of air compressor is by sky
The variable-frequency motor 31 of air compressor drives air inlet;Including at least two frequency converters, smart phone 62, display 58, alarm lamp 59,
Key 60, wireless module 61, frequency converter selection device 9, line concentration isolating device 23 and microcontroller 1;In frequency converter selection device
It is equipped with the power output end 14 equal with frequency converter number, power output end 15 and power output end 16;It is isolated in line concentration and fills
It sets and is equipped with the power input 24 equal with frequency converter number, power input 25 and power input 26;Each frequency converter
The one-to-one power output end for being connected to frequency converter selection device of power input on;The power output end one of each frequency converter
It is connected to one on the power input of line concentration isolating device;The power output end 30 of line concentration isolating device is connected to variable-frequency motor
Power input on;Temperature testing organization 20, temperature testing organization 21 and temperature detection are respectively equipped on each frequency converter
Mechanism 22;Display, alarm lamp, key, wireless module, each temperature testing organization, the control terminal of each frequency converter, variable-frequency electric
The control terminal of the control terminal of machine, the control terminal of frequency converter selection device and line concentration isolating device is connect with microcontroller respectively;Intelligence
Energy mobile phone is wirelessly connected by wireless module and microcontroller.The power input 10 of frequency converter selection device is connected to power frequency electric
On source 8.
There are three the frequency converters of the present embodiment, is frequency converter 17, frequency converter 18 and frequency converter 19 respectively.The present embodiment uses
Using the microcontroller of STM32 model, concrete model is the microcontroller of this model of STM32F103RBT6.
Frequency converter selection device include the preposition relay 11 equal with frequency converter number, preposition relay 12 and it is preposition after
The control terminal of electric appliance 13, each preposition relay is connect with microcontroller respectively;The one-to-one company in one end of each preposition relay
It connects on the power output end of frequency converter selection device, the other end of each preposition relay is connected to frequency converter selection device
On power input 10.
Line concentration isolating device includes the postposition relay 27 equal with frequency converter number, postposition relay 28 and postposition relay
The control terminal of device 29, each postposition relay is connect with microcontroller respectively;The one-to-one connection in one end of each postposition relay
On the power input of line concentration isolating device, the other end of each postposition relay is connected to the power input of variable-frequency motor
On.
One preposition relay and postposition relay form a relay with response group pair, thus obtain with it is preposition
The equal relay of relay number is the same as response group pair;The same relay will be located at the internal preposition relay of response group
It is connected on microcontroller after piece conducting wire conducting connection of control terminal and the control terminal of postposition relay, and each preposition
The control terminal of relay is connected on the distinct interface of microcontroller.
The interface of microcontroller 1 includes interface 2, interface 3, interface 4, interface 5, interface 6 and interface 7 in the present embodiment Fig. 1.
The control terminal of preposition relay 11 and the control terminal of postposition relay 27 are connected to together on the interface 3 of microcontroller 1.It is preposition after
The control terminal of electric appliance 12 and the control terminal of postposition relay 28 are connected to together on the interface 5 of microcontroller 1.Preposition relay 13
Control terminal and the control terminal of postposition relay 29 be connected on the interface 4 of microcontroller 1 together.
Voltage zero-cross detection device, voltage zero-cross detection device and micro-control are equipped on the power output end of each frequency converter
Device connection processed.
Voltage zero-cross detection device 32, the power output end of frequency converter 18 are provided that on the power output end of frequency converter 17
On be provided that voltage zero-cross detection device 33, voltage zero-cross detection device is provided that on the power output end of frequency converter 19
34。
Carried displacement air compressor further includes bracket 57;Temperature testing organization includes the internal vertical block for being equipped with vertical sliding chamber
56, it slides up and down and sliding intracavitary upright slide block 46 vertically, squeezing setting in upright slide block upper surface and erect for vertical block is set
Directly slide extruding spring 45, temperature-sensitive telescopic block and the distance measuring sensor between intracavitary top surface;On the lower surface of vertical block be equipped with
The lumen pore that the vertical sliding chamber of vertical block is connected, is equipped with shelves item 49 in lumen pore, and the upper surface of shelves item is arranged in distance measuring sensor
On;Frequency converter is fixed on bracket, and the lower surface of temperature-sensitive telescopic block is fixedly connected on frequency converter;The upper surface of upright slide block is solid
Surely it is connected on bracket, and upright slide block is located at the surface of temperature-sensitive telescopic block.
There are three temperature testing organization in the present embodiment is total to, the structure of three temperature testing organizations all is all identical.
Temperature testing organization 20 corresponds to frequency converter 17, upright slide block 46, temperature-sensitive telescopic block 51 and distance measuring sensor 50.
Temperature testing organization 21 corresponds to frequency converter 18, upright slide block 47, temperature-sensitive telescopic block 53 and distance measuring sensor 52.
Temperature testing organization 22 corresponds to frequency converter 19, upright slide block 48, temperature-sensitive telescopic block 55 and distance measuring sensor 54.
Temperature testing organization 20 is connected on the interface 2 of microcontroller 1.Temperature testing organization 21 is connected to microcontroller 1
Interface 7 on.Temperature testing organization 22 is connected on the interface 6 of microcontroller 1.
Carried displacement air compressor further includes 42 sum aggregate wind bottle 35 of hair dryer;Distinguish on the cooling fin of each frequency converter
It is thermally conductive to be connected with heat-exchange tube;The air outlet of hair dryer is connected on the bottleneck of collection wind bottle, is equipped with and heat on collection wind bottle
Exchange the equal bottle exhaust vent of pipe radical, the one-to-one bottle exhaust vent being connected in collection wind bottle of the air intake of every heat-exchange tube
On;The control terminal of hair dryer is connect with microcontroller.
Corresponding frequency converter 17 is heat-exchange tube 36.Corresponding frequency converter 18 is heat-exchange tube 37.Frequency converter 19 is corresponding
It is heat-exchange tube 38.
The solenoid valve connecting with microcontroller is respectively equipped on every heat-exchange tube.Corresponding heat-exchange tube 36 is electromagnetism
Valve 39.Corresponding heat-exchange tube 37 is solenoid valve 40.Corresponding heat-exchange tube 38 is solenoid valve 41.
Gas handling system 74 includes No.1 auxiliary 82, No. two auxiliary rotate gears 75 of rotate gear, inlet chamber 63, vertical rotation
The left side being arranged in inlet chamber calm the anger rotating wheel 69, calm the anger rotating wheel 70, the setting of the right side that is rotatably arranged in inlet chamber exists vertically
The air inlet 81 of inlet chamber bottom end and the venthole 65 that inlet chamber top is arranged in, right side rotating wheel of calming the anger are arranged in a left side and calm the anger rotation
The front-right of wheel;It is locked in the shaft 78 of variable-frequency motor and is fixed with No.1 gear 77, in the shaft 73 of right rotating wheel of calming the anger
On be locked and be fixed with No. two gears 79, be also locked in the shaft 68 that rotating wheel is calmed the anger on a left side and be fixed with No. three gears 80, one
Root chain 76 is drivingly connected on No.1 gear, No. two gears, No. three gears, No.1 auxiliary rotate gear and No. two auxiliary rotate
On gear, and the rotation direction of No. two gears always with the rotation direction of No. three gears on the contrary, on No. three gears, No.1 auxiliary
Rotate gear assists the rotation direction of rotate gear identical with the rotation direction of No.1 gear always with No. two.
Inlet chamber include cross section left chamber wall be the left chamber 64 of semi arch, cross section right chamber wall be the right chamber of semi arch
67 and cross section be rectangle rectangular cavity 66, left chamber is arranged in the left side of rectangular cavity, and right chamber is arranged in the right side of rectangular cavity, left chamber
It is connected with right chamber by rectangular cavity;The center of circle of the semi arch of left chamber is fallen on the axial line of the shaft of left rotating wheel of calming the anger, right
The center of circle of the semi arch of chamber is fallen on the axial line of the shaft of right rotating wheel of calming the anger;A left side is calmed the anger rotating wheel and right rotating wheel of calming the anger
Structure is identical, and the left and right ends of right rotating wheel of calming the anger are convex shaped arc face 72, and the upper and lower ends of right rotating wheel of calming the anger are recessed
Shape arc surface 71.
Variable-frequency motor shaft rotation drive No.1 gear rotation, No.1 gear rotation by No. two gears of chain-driving,
On No. three gears, No.1 auxiliary rotate gear and No. two auxiliary rotate gears rotate, and the rotation direction of No. two gears is always
With the rotation directions of No. three gears on the contrary, on No. three gears, the rotation of No.1 auxiliary rotate gear and No. two auxiliary rotate gears
Direction is identical with the rotation direction of No.1 gear always.The right side will be driven to calm the anger respectively after No. two gears and No. three gear rotations to turn
Driving wheel and a left side rotating wheel of calming the anger match rotation in inlet chamber, and rotating wheel is calmed the anger on the right side and a left side is calmed the anger, and rotating wheel matches in inlet chamber
Will be by air 83 from air inlet sucking inlet chamber after rotation, and the air in inlet chamber is pressed into venthole for air
Compressor is used with gas.
It is currently to be powered by which frequency converter for variable-frequency motor, and can know that user may know that by key and alarm lamp
The current state of temperature of each frequency converter in road.Monitoring device can be realized by wireless module by user and micro-controller communications connect
Connect, user can the current each frequency converter of long-range real time inspection working condition, good reliability, intelligent automation degree is high.
Also real-time display is currently specifically to be powered by which frequency converter for variable-frequency motor to display 58 simultaneously, intuitive
It is good, the current state of each frequency converter is understood convenient for user.
Preposition relay is used to select specific frequency converter for variable-frequency motor power supply, flexibility is good.
Use the cooperation of preposition relay and postposition relay to select specific frequency converter for variable-frequency motor power supply, flexibly
Property is good.
One preposition relay and a postposition relay cooperate to select frequency converter for variable-frequency motor power supply in pairs, so that
Other frequency converter does not have electrification when one frequency converter work, and safety is good, high reliablity, and flexibility is good.
Preposition relay and postposition relay can be allowed to be in when being opened or closed using voltage zero-cross detection device
Low-voltage state greatly prolongs preposition relay and postposition so that preposition relay and postposition relay are not easy to be burned
The service life of relay.
Each distance measuring sensor uploads distance measuring signal to microcontroller in real time.Temperature-sensitive telescopic block is heated to be extended upwards.
After the temperature on some frequency converter is greater than set temperature, the temperature-sensitive telescopic block being arranged on the frequency converter is heated to stretch upwards
It is long.When corresponding distance measuring sensor detects that the temperature-sensitive telescopic block drives corresponding upright slide block to be moved upwards up to setting height
Afterwards, which uploads distance measuring signal to microcontroller immediately, and microcontroller allows corresponding frequency converter to stop working immediately,
Frequency converter work corresponding to microcontroller and the lesser distance measuring sensor of distance for allowing current distance measuring sensor to detect simultaneously.
This ensures that the temperature when work of each frequency converter does not exceed set temperature, so that frequency converter is not easy to be burnt
It is bad, high safety and reliability.
Corresponding frequency converter blowing is thought by the cooperation of hair dryer sum aggregate wind bottle, allows the frequency converter of heat to cool down, high reliablity.
Hair dryer can be flexibly controlled by solenoid valve to dry to that frequency converter, improve quenching effect, structure letter
Single high reliablity.
Suitable for the operating method of carried displacement air compressor, in section at the same time only by a frequency converter be become
Frequency motor provides power supply;During variable-frequency motor work, the temperature of temperature testing organization real-time detection frequency converter;When a frequency conversion
After temperature on device is higher than set temperature, do not have the frequency conversion that temperature is minimum in the frequency converter of work currently by micro-controller instructions
Device is variable-frequency motor power supply, and powers on the same of moment to variable-frequency motor offer power supply in this minimum frequency converter of Current Temperatures
When disconnect and current provide that of power supply to variable-frequency motor and be in the electricity between the frequency converter and variable-frequency motor of the condition of high temperature
Road line;And so on, to guarantee that the temperature on frequency converter will not rise so high and the case where burning out frequency converter occurs.
The present embodiment is by the way of multiple frequency converters arrangement, in section at the same time, is only by a frequency converter
Variable-frequency motor provides power supply, and automatically selects another after the temperature on this frequency converter for providing power supply is greater than set temperature
Frequency converter is variable-frequency motor power supply, and high-efficient, flexibility is good, securely and reliably.
The embodiments of the present invention have been described above with reference to the accompanying drawings, and however, the implementation is not limited to the above embodiments, this
Field those of ordinary skill can be with various changes and modifications may be made within the scope of the appended claims.
Claims (3)
1. a kind of carried displacement air compressor, the gas handling system of air compressor by the variable-frequency motor of air compressor drive into
Gas;It is characterised in that it includes at least two frequency converters, alarm lamp, frequency converter selection device, line concentration isolating device and microcontroller
Device;The power output end equal with frequency converter number is equipped on frequency converter selection device;In line concentration isolating device be equipped with
The equal power input of frequency converter number;The power input of each frequency converter is one-to-one to be connected to frequency converter selection device
On power output end;On the one-to-one power input for being connected to line concentration isolating device of the power output end of each frequency converter;Collection
The power output end of line isolating device is connected on the power input of variable-frequency motor;Temperature is respectively equipped on each frequency converter
Testing agency;Alarm lamp, each temperature testing organization, the control terminal of each frequency converter, the control terminal of variable-frequency motor, frequency converter choosing
The control terminal of the control terminal and line concentration isolating device of selecting device is connect with microcontroller respectively;It is exported in the power supply of each frequency converter
End is equipped with voltage zero-cross detection device, and voltage zero-cross detection device is connect with microcontroller.
2. a kind of carried displacement air compressor according to claim 1, which is characterized in that frequency converter selection device include with
The equal preposition relay of frequency converter number, the control terminal of each preposition relay are connect with microcontroller respectively;It is each preposition
On the one-to-one power output end for being connected to frequency converter selection device in one end of relay, the other end of each preposition relay connects
It connects on the power input of frequency converter selection device.
3. a kind of carried displacement air compressor according to claim 1, which is characterized in that be also connected on a microcontroller
Key.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821259807.7U CN208522668U (en) | 2018-08-06 | 2018-08-06 | A kind of carried displacement air compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821259807.7U CN208522668U (en) | 2018-08-06 | 2018-08-06 | A kind of carried displacement air compressor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208522668U true CN208522668U (en) | 2019-02-19 |
Family
ID=65333365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821259807.7U Active CN208522668U (en) | 2018-08-06 | 2018-08-06 | A kind of carried displacement air compressor |
Country Status (1)
Country | Link |
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CN (1) | CN208522668U (en) |
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2018
- 2018-08-06 CN CN201821259807.7U patent/CN208522668U/en active Active
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