CN103925206B - Compressor air suction detection device - Google Patents
Compressor air suction detection device Download PDFInfo
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- CN103925206B CN103925206B CN201410165451.0A CN201410165451A CN103925206B CN 103925206 B CN103925206 B CN 103925206B CN 201410165451 A CN201410165451 A CN 201410165451A CN 103925206 B CN103925206 B CN 103925206B
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- compressor
- air suction
- suction
- detection device
- compressor air
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Abstract
The invention provides a kind of compressor air suction detection device.Compressor air suction detection device according to the present invention, including air-breathing test section, is arranged on compressor air suction mouth, the pressure of inspiration(Pi) of compressor drives and carry out action；According to the action of air-breathing test section, decision circuitry, judges that compressor air suction is the most normal.Detection device uses frame for movement, utilizes the displacement of spool to block photoswitch, thus signal transfers to level variable signal, effectively detects the air-breathing of compressor.Detection based on compressor air suction, prevents because of compressor three-phase phase-sequence mistake, and caused compressor air suction is abnormal.
Description
Technical field
The present invention relates to compressor field, especially, relate to a kind of compressor air suction detection device.
Background technology
During the manufacturing of air-conditioning, if compressor three-phase line sequence mistake can cause compressor air suction mouth to become air vent,
Air-conditioning cannot normally freeze and heat.It is therefore desirable to the air-breathing of the compressor of outdoor machine of air-conditioner is detected, but, current city
Temporarily without the device of detection compressor air suction on field.
Summary of the invention
Present invention aim at providing a kind of compressor air suction detection device, compression can be caused solving compressor three-phase line sequence mistake
Machine air entry becomes air vent, and air-conditioning cannot normally freeze and the technical problem heated.
For achieving the above object, the invention provides a kind of compressor air suction detection device, including air-breathing test section, be arranged on pressure
Contracting machine air entry, is driven by the pressure of inspiration(Pi) of compressor and carries out action；Decision circuitry, judges according to the action of air-breathing test section
Compressor air suction is the most normal.
Further, air-breathing test section includes Pneumatic Transmission parts and has the main body of TCH test channel；TCH test channel and compressor
Air entry is connected；Pneumatic Transmission parts are movably mounted in TCH test channel.
Further, it is judged that circuit includes interconnective photoswitch and light emitting diode, the change of the photosignal of photoswitch
Change the light on and off controlling light emitting diode.
Further, also including audion, the signal output part of photoswitch electrically connects with the base stage of audion, sending out of audion
Emitter-base bandgap grading is connected with power supply, and the colelctor electrode of audion is connected with one end of light emitting diode, the other end ground connection of light emitting diode.
Further, Pneumatic Transmission parts include spool and spring, and one end of spool and spring abut against and are arranged in suction muffler,
The other end of spool possesses the primary importance making photoswitch turn on and the second position making photoswitch disconnect.
Further, spool includes valve core head and the valve rod mutually abutted, and the first end of valve rod abuts against with spring and sets with spring
Putting in suction muffler, the cavity wall of the first end of valve rod and suction muffler seals slides, the first end phase of the second end of valve rod and valve core head
Abut and valve core head be slidably disposed in valve-rod cavity, the second end of valve core head possess the primary importance that makes photoswitch turn on
Make the second position that photoswitch disconnects.
Further, the main body with TCH test channel includes four pieces of flat boards possessing hole, and the hole of four pieces of flat boards is arranged concentrically,
Wherein, the hole on one flat plate is suction hole, the hole formation suction muffler of second piece of flat board, the hole on the 3rd piece of flat board
Form valve stem slides hole, the hole formation valve-rod cavity of the 4th piece of flat board, suction hole, suction muffler, valve stem slides hole and valve-rod cavity structure
Become TCH test channel.
Further, air-breathing test section also includes connecting portion, and one end of connecting portion is connected with the air entry of compressor, connecting portion
The other end be connected with TCH test channel.
Further, one end that connecting portion is connected with the air entry of compressor is provided with Magnet.
Further, connecting portion is to be interconnected together by multiple disks with endoporus.
The method have the advantages that
Air-breathing test section is set at compressor air suction mouth, the pressure of inspiration(Pi) of compressor drives air-breathing test section to carry out action, thus
Carry out judging that compressor air suction is the most normal according to the action of air-breathing test section by decision circuitry, can effectively be examined by this device
The air-breathing of measured compressed machine, normally can directly be judged that by the air-breathing of compressor the aerofluxus of compressor is the most normal.Based on compressor air suction
Detection, it is judged that whether compressor suction and discharge normal, thus prevent because of compressor three-phase phase-sequence mistake, caused compressor suction
Gas is abnormal and affects properties of product.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.Below
Will be with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic of the air-breathing test section of the compressor air suction detection device according to the present invention；
Fig. 2 is the air-breathing test section schematic diagram of the compressor air suction detection device according to the present invention；
Fig. 3 is the attachment means schematic diagram of the compressor air suction detection device according to the present invention；And
Fig. 4 is the schematic diagram of the decision circuitry of the compressor air suction detection device according to the present invention.
Reference in accompanying drawing is as follows: 10, air-breathing test section；11, TCH test channel；111, suction hole；112, suction muffler；
113, valve stem slides hole；114, valve-rod cavity；12, Pneumatic Transmission parts；121, spool；1211, valve core head；1212, valve
Bar；122, spring；20, connecting portion；21, Magnet；30, photoswitch.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims and cover
Multitude of different ways implement.
See Fig. 1 to Fig. 4, detect device according to the compressor air suction of the present invention, including: air-breathing test section 10, it is arranged on pressure
Contracting machine air entry, is driven by the pressure of inspiration(Pi) of compressor and carries out action；Decision circuitry, sentences according to the action of air-breathing test section 10
Disconnected compressor air suction is the most normal.The present invention arranges air-breathing test section at compressor air suction mouth, the pressure of inspiration(Pi) of compressor drive
Air-breathing test section carries out action, thus carries out whether judging compressor air suction by decision circuitry according to the action of air-breathing test section
Normally, can effectively be detected the air-breathing of compressor by this device, the air-breathing of compressor normally can directly judge the row of compressor
Gas is the most normal.Detection based on compressor air suction, it is judged that compressor suction and discharge are the most normal, thus prevent because of compressor three-phase phase
Sequence mistake, caused compressor suction and discharge are abnormal and affect properties of product.
Seeing Fig. 1, air-breathing test section 10 includes Pneumatic Transmission parts 12 and has the main body of TCH test channel 11；TCH test channel 11
It is connected with the air entry of compressor；Pneumatic Transmission parts 12 are movably mounted in TCH test channel 11；Photoswitch 30 is installed
For detected air pressure drive disk assembly 12 change in location in main body.Pneumatic Transmission parts 12 are by the air pressure of the air entry of compressor
Change, changes the on off state of photoswitch 30.
Seeing Fig. 1 and Fig. 3, compressor air suction detection device also includes connecting portion 20, one end of connecting portion 20 and the suction of compressor
QI KOU is connected, and the other end of connecting portion 20 is connected with TCH test channel 11.Photoswitch 30 is arranged on the one of TCH test channel 11
End, Pneumatic Transmission parts 12 are arranged in TCH test channel 11.Spool 121 includes valve core head 1211 and the valve rod 1212 mutually abutted,
First end of valve rod 1212 and spring 122 abut against and are arranged in suction muffler 112 with spring 122, the first end of valve rod 1212
Sealing with the cavity wall of suction muffler 112 and slide, the second end of valve rod 1212 and the first end of valve core head 1211 abut against and valve core head
1211 are slidably disposed in valve-rod cavity 114, and the second end of valve core head 1211 possesses the primary importance stretching into test chamber and exits
The second position of test chamber.Valve core head 1211 all includes the body of rod and taking over a business of being connected with the body of rod, valve rod 1212 with valve rod 1212
The body of rod free end and valve core head 1211 take over a business to abut against, the edge taken over a business of valve core head 1211 and the inwall of valve-rod cavity 114
Slipper seal, valve rod 1212 take over a business the inwall slipper seal with suction muffler 112, by arrange both seal structure, permissible
Ensure the air-tightness of TCH test channel 11 so that valve core head 1211 is obtained in that enough suction, thus overcomes the effect of spring 122
Power, it is achieved moving downward of valve rod 1212 and valve core head 1211, makes photoswitch 30 turn on.
Seeing Fig. 1 and Fig. 3, the main body with TCH test channel 11 includes four pieces of flat boards possessing hole, and the hole of four pieces of flat boards is same
The heart is arranged, and wherein, the hole on one flat plate is suction hole 111, the hole formation suction muffler 112 of second piece of flat board, and the 3rd
Hole formation valve stem slides hole 113 on block flat board, the hole formation valve-rod cavity 114 of the 4th piece of flat board；Suction hole 111, air-breathing
Chamber 112, valve stem slides hole 113 and valve-rod cavity 114 constitute TCH test channel 11.Each construction module of air-breathing test section 10 uses height
Level bakelite plate engraving forms, and uses bakelite plate cheap as the framework of detection device.
Air-breathing test section 10 is formed by four pieces of platen parallel possessing hole are bonding, being arranged concentrically of the hole of four pieces of flat boards, four pieces
Flat board, the hole on one flat plate is suction hole 111, the hole formation suction muffler 112 of second piece of flat board, on the 3rd piece of flat board
Hole formation valve stem slides hole 113, the hole formation valve-rod cavity 114 of the 4th piece of flat board.The diameter of suction muffler 112 more than its two
The suction hole 111 of end and the diameter in valve stem slides hole 113, on the one hand such structure can install spring 122 and ensure that spring is not
Can eject, on the other hand ensure sealing；The diameter of valve-rod cavity 114 part and valve core head 1211 to take over a business diameter identical, separately
The shank diameter of diameter wall valve core head 1211 of a part is slightly larger, and what this structure both can guarantee that valve core head 1211 passes through entrance light
In electric switch 30, also can guarantee that air-tightness when valve core head 1211 slides；Meanwhile, fixed by the superposition of multiple flat boards and form
Cavity body structure TCH test channel 11, it is possible to realizing the quick assembling of whole air-breathing test section, production technology is simple, and cost of manufacture is also
The lowest.
Pneumatic Transmission parts 12 include spool 121 and spring 122, and one end of spool 121 abuts against with spring 122 and is arranged on
In suction muffler 112, the other end of spool 121 possesses the primary importance making photoswitch 30 turn on and makes photoswitch 30 disconnect
The second position.Spool 121 includes valve core head 1211 and the valve rod 1212 mutually abutted, the first end of valve rod 1212 and spring 122
Abutting against and be arranged in suction muffler 112 with spring 122, the first end of valve rod 1212 seals slip with the cavity wall of suction muffler 112,
Second end of valve rod 1212 and the first end of valve core head 1211 abut against and valve core head 1211 is slidably disposed on valve-rod cavity 114
In, the second end of valve core head 1211 possesses the primary importance making photoswitch 30 turn on and the second making photoswitch 30 disconnect
Put.Using spring 122 command displacement, photoswitch 30 is as detection and on-off model output..
Seeing Fig. 2, compressor air suction detection device also includes connecting portion 20, the air entry phase of one end of connecting portion 20 and compressor
Connection, the other end of connecting portion 20 is connected with TCH test channel 11.One end that connecting portion 20 is connected with the air entry of compressor
It is provided with Magnet 21.Connecting portion 20 is to be interconnected together by multiple disks with endoporus.Connecting portion 20 and the suction of compressor
One end that QI KOU is connected for indent inclined-plane.One end that connecting portion 20 is connected with the air entry of compressor concaves in being 30 degree
Face.It is provided with soft material on the section of one end that connecting portion 20 is connected with the air entry of compressor.Such as rubber, foam etc.
Deng, this soft material plays the effect of sealing.Magnet 21, indent inclined-plane and soft material are provided to strengthen sealing, as far as possible
Reduce the impact of outer bound pair test.
See Fig. 4, it is judged that circuit includes interconnective photoswitch 30 and light emitting diode, the photosignal of photoswitch 30
Change control light emitting diode light on and off.Decision circuitry also includes audion, the signal output part of photoswitch 30 and audion
Base stage electrical connection, the emitter stage of audion is connected with power supply, and the colelctor electrode of audion is connected with one end of light emitting diode,
The other end ground connection of light emitting diode.Whole circuit voltage is 5V, when the valve core head 1211 blocking photoswitch 30 is removed
Afterwards, photoswitch 30 outfan produces a signal S and is delivered to the base stage of audion, triode ON, audion drive
Light emitting diode is lighted.
See Fig. 1 and Fig. 2, detect the workflow of device according to the compressor air suction of the present invention: working as compressor start, air entry is opened
Beginning air-breathing, the valve rod 1212 of Pneumatic Transmission parts 12 drives valve core head 1211 to move under the effect of pressure of inspiration(Pi), produces displacement,
Photoswitch 30 is become not being blocked from being blocked, and compressor is converted to light after being amplified by audion by photoswitch 30 signal
Signal of telecommunication driven for emitting lights diode is lighted, and prompting compressor air suction is normal.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Detection device uses frame for movement, utilizes the displacement of spool to block photoswitch, thus signal transfers to level variable signal,
Effectively detect the air-breathing of compressor.Detection based on compressor air suction, prevents because of compressor three-phase phase-sequence mistake, is caused compression
Machine air-breathing is abnormal.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a compressor air suction detection device, it is characterised in that including:
Air-breathing test section (10), is arranged on compressor air suction mouth, the pressure of inspiration(Pi) of compressor drive and carry out action；
According to the action of described air-breathing test section (10), decision circuitry, judges that compressor air suction is the most normal, described suction
Gas test section (10) includes Pneumatic Transmission parts (12) and has the main body of TCH test channel (11)；Described TCH test channel
(11) air entry with described compressor is connected；Described Pneumatic Transmission parts (12) are movably mounted to described test
In passage (11).
Compressor air suction the most according to claim 1 detection device, it is characterised in that described decision circuitry includes being connected with each other
Photoswitch (30) and light emitting diode, the change of the photosignal of described photoswitch (30) controls described luminescence
The light on and off of diode.
Compressor air suction the most according to claim 2 detection device, it is characterised in that also include that audion, described light are established by cable
The signal output part closing (30) electrically connects with the base stage of described audion, and the emitter stage of described audion is connected with power supply,
The colelctor electrode of described audion is connected with one end of described light emitting diode, the other end ground connection of described light emitting diode.
Compressor air suction the most according to claim 2 detection device, it is characterised in that described Pneumatic Transmission parts (12) are wrapped
Including spool (121) and spring (122), one end of described spool (121) abuts against with described spring (122) and arranges
In suction muffler (112), the other end of described spool (121) possesses make described photoswitch (30) turn on first
Put and make the second position that described photoswitch (30) disconnects.
Compressor air suction the most according to claim 4 detection device, it is characterised in that described spool (121) includes mutually supporting
The valve core head (1211) connect and valve rod (1212), the first end of described valve rod (1212) offsets with described spring (122)
Connect and be arranged in suction muffler (112) with described spring (122), the first end of described valve rod (1212) and described air-breathing
The cavity wall in chamber (112) seals slides, the second end of described valve rod (1212) and the first end of described valve core head (1211)
Abut against and described valve core head (1211) is slidably disposed in valve-rod cavity (114), described valve core head (1211)
Second end possesses the primary importance making described photoswitch (30) turn on and make described photoswitch (30) disconnect second
Position.
Compressor air suction the most according to claim 5 detection device, it is characterised in that described in there is the master of TCH test channel (11)
Body includes that four pieces of flat boards possessing hole, the hole of described four pieces of flat boards are arranged concentrically, wherein, and the hole on one flat plate
Hole is suction hole (111), the hole formation suction muffler (112) of second piece of flat board, the hole formation valve rod on the 3rd piece of flat board
Sliding eye (113), the hole formation valve-rod cavity (114) of the 4th piece of flat board, described suction hole (111), described suction muffler (112),
Described valve stem slides hole (113) and described valve-rod cavity (114) constitute described TCH test channel (11).
Compressor air suction the most according to any one of claim 1 to 6 detection device, it is characterised in that also include connecting portion
(20), one end of described connecting portion (20) is connected with the air entry of described compressor, described connecting portion (20) another
One end is connected with described TCH test channel (11).
Compressor air suction the most according to claim 7 detection device, it is characterised in that described connecting portion (20) and described pressure
One end that the air entry of contracting machine is connected is provided with Magnet (21).
Compressor air suction the most according to claim 7 detection device, it is characterised in that described connecting portion (20) is by multiple
Disk with endoporus is interconnected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410165451.0A CN103925206B (en) | 2014-04-23 | 2014-04-23 | Compressor air suction detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410165451.0A CN103925206B (en) | 2014-04-23 | 2014-04-23 | Compressor air suction detection device |
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| CN103925206A CN103925206A (en) | 2014-07-16 |
| CN103925206B true CN103925206B (en) | 2017-01-04 |
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| CN201410165451.0A Active CN103925206B (en) | 2014-04-23 | 2014-04-23 | Compressor air suction detection device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100514A (en) * | 2014-08-04 | 2014-10-15 | 珠海格力电器股份有限公司 | Device and method for compressor air suction and exhaust detection |
| CN104454492A (en) * | 2014-10-31 | 2015-03-25 | 珠海格力电器股份有限公司 | Device and method for detecting inversion of compressor |
| CN109738712A (en) * | 2018-12-12 | 2019-05-10 | 格力电器（武汉）有限公司 | The line detection device for phase sequence and method and detection system of a kind of compressor |
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| CN203796543U (en) * | 2014-04-23 | 2014-08-27 | 格力电器（武汉）有限公司 | Compressor air suction testing device |
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- 2014-04-23 CN CN201410165451.0A patent/CN103925206B/en active Active
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|---|---|---|---|---|
| CN2861550Y (en) * | 2005-12-02 | 2007-01-24 | 马春海 | Electric control automatic regulating system for air-conditioner |
| CN202628483U (en) * | 2012-06-11 | 2012-12-26 | 苏州中成汽车空调压缩机有限公司 | Pumping machine of automotive air condition compressor |
| CN202954955U (en) * | 2012-11-06 | 2013-05-29 | 河南省电力公司郑州供电公司 | Air compressor operating state detecting system |
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