CN110792578A - Compressor and air conditioner that possess high insulation resistance - Google Patents

Compressor and air conditioner that possess high insulation resistance Download PDF

Info

Publication number
CN110792578A
CN110792578A CN201910983819.7A CN201910983819A CN110792578A CN 110792578 A CN110792578 A CN 110792578A CN 201910983819 A CN201910983819 A CN 201910983819A CN 110792578 A CN110792578 A CN 110792578A
Authority
CN
China
Prior art keywords
compressor
insulation resistance
high insulation
machine body
box
Prior art date
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.)
Pending
Application number
CN201910983819.7A
Other languages
Chinese (zh)
Inventor
蔡正永
赵桓
柏长升
肖凯
刘德茂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910983819.7A priority Critical patent/CN110792578A/en
Publication of CN110792578A publication Critical patent/CN110792578A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/18—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements

Abstract

The invention relates to a compressor with high insulation resistance, which comprises a machine body, an air suction pipe and a junction box, wherein the air suction pipe is arranged on the machine body; wherein, the air suction pipe is arranged at the lower end of the machine body; the junction box is arranged on the upper end of the machine body; the junction box comprises a wiring terminal positioned above the air suction pipe. The compressor with high insulation resistance value provided by the invention has the advantages that the position of the wiring terminal is higher than that of the air suction pipe, so that the liquid level of liquid refrigerant in the compressor is lower, the liquid refrigerant can flow out of other parts of the air suction pipe and the liquid level of the refrigerant can not completely submerge the air suction pipe orifice, the wiring terminal can not be contacted with the liquid refrigerant, the compressor has good high insulation resistance value, the reduction of the overall insulation resistance value of the compressor caused by migration and backflow of the refrigerant is avoided, and the overall reliability of an air conditioner is improved; also provided is an air conditioner having the compressor with a high insulation resistance value.

Description

Compressor and air conditioner that possess high insulation resistance
Technical Field
The invention relates to the technical field of air conditioners, in particular to a compressor with high insulation resistance and an air conditioner with the compressor with high insulation resistance.
Background
The air conditioners for vehicles, such as bus air conditioners, car air conditioners and the like, are often severely vibrated along with the movement of a vehicle body in the using process, and the whole air conditioner is required to have good system stability and reliability. Therefore, the air conditioner for the vehicle often employs a horizontal compressor and is located at a position where the unit installation position is relatively low. After the machine is stopped, the refrigerant in the system migrates, so that a large amount of liquid refrigerant is gathered in the compressor, exposed metal charged bodies such as plug wire terminals in the compressor are submerged, the insulation resistance of the whole machine of the machine set suddenly drops, and the national standard is not met. The method is characterized by quality problems of power-on failure, signal interference and even abnormal power-on.
In the industry, methods for improving the insulation resistance of the air conditioning unit are few, and most of the methods are methods for isolating a compressor, for example, in a patent document with the patent publication number of CN205279524U, an insulation flange is added at a suction and exhaust port of the compressor to isolate the compressor from a pipeline part of an air conditioning system in an insulation manner. This method requires two additional insulating flanges and is costly. As the compressor is used as a main vibration source of the system and violent movement also exists in the running process of the whole vehicle, the insulating flange is increased and is easy to break and leak, and the reliability of the system is reduced.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, provides a compressor with high reliability and high insulation resistance value, and also provides an air conditioner with the compressor with high insulation resistance value.
In order to achieve the purpose, the invention adopts the following scheme:
a compressor with high insulation resistance comprises a machine body; further comprising:
an air suction pipe arranged at the lower end of the machine body;
a junction box provided on an upper end of the body; the junction box comprises a wiring terminal positioned above the air suction pipe.
Further, the engine also comprises a crankshaft arranged in the engine body; the junction box is positioned above the axis of the crankshaft.
Furthermore, an extension line passing through the center point of the junction box is intersected with an axis plane passing through the axis of the crankshaft to form an included angle β, and the included angle β is 5-175 degrees.
Further, the included angle β is 90 °.
Further, the intake pipe is located below the axis of the crankshaft.
Further, the winding machine also comprises a winding assembly arranged in the machine body; the winding assembly comprises a winding and a winding welding spot; and an insulating envelope is sleeved outside the winding welding spot.
Further, the junction box further comprises:
the box shell is arranged on the outer side wall of the upper end of the machine body;
the box cover is matched with the box shell;
and the power supply wiring terminal is arranged in the box shell and penetrates through the machine body to be connected with the wiring terminal.
Further, the cartridge case is attached to the body by screws.
Furthermore, a footing is arranged at the bottom end of the machine body; and a vibration reduction foot pad is arranged at the lower end of the footing.
The application also provides an air conditioner, which comprises the compressor with high insulation resistance value.
Compared with the prior art, the invention has the following advantages:
according to the compressor with high insulation resistance, the air suction pipe is arranged at the lower end of the machine body, the wiring terminal of the junction box is arranged at the upper end of the machine body, the position of the wiring terminal is higher than that of the air suction pipe, the liquid level of liquid refrigerant in the compressor is ensured to be lower, the liquid refrigerant can flow out of other parts of the air suction pipe and can not completely submerge the air suction pipe orifice, the wiring terminal can not be in contact with the liquid refrigerant, the compressor has good high insulation resistance, the reduction of the integral insulation resistance of the compressor due to migration and backflow of the refrigerant is avoided, and the integral reliability of an air conditioner is improved.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is a front view schematically illustrating a compressor having a high insulation resistance according to the present invention.
Fig. 2 is a partially sectional perspective view of a compressor having a high insulation resistance value according to the present invention.
Fig. 3 is a perspective view of a compressor having a high insulation resistance value according to the present invention with a cover removed.
Fig. 4 is a perspective view of the winding assembly of the present invention.
The figure includes:
the air suction pipe comprises a machine body 1, an air suction pipe 2, a junction box 3, a wiring terminal 31, a box shell 32, a box cover 33, a power supply wiring terminal 34, a crankshaft 4, a winding assembly 5, a winding 51, a winding welding point 52, a base pin 6, a vibration reduction foot pad 7 and an exhaust pipe 8.
Detailed Description
The present application is further described in conjunction with the following examples.
As shown in fig. 1 to 4, a compressor with high insulation resistance includes a body 1, a suction pipe 2, a discharge pipe 8, and a junction box 3. Wherein, the air suction pipe 2 is arranged at the lower end of the machine body 1 and is communicated with an air inlet of a cylinder body in the machine body 1; the exhaust pipe 8 is arranged at the lower end of the machine body 1 and is communicated with an air outlet of a cylinder body in the machine body 1; the junction box 3 is arranged on the upper end of the machine body 1; the junction box 3 includes a terminal block 31 located above the air suction pipe 2.
During operation, refrigerant enters the compressor suction pipe 2 and is discharged from the discharge pipe 8. After shutdown, the refrigerant standing for a long time migrates in a gaseous state from the suction pipe 2 and the exhaust pipe 8 of the compressor back to the interior of the compressor, forming a large amount of liquid which is collected in the cylinder of the compressor. This compressor that possesses high insulation resistance is through establishing breathing pipe 2 at the lower extreme of organism 1, establish binding post 31 of terminal box 3 in the upper end at organism 1, make the position at binding post 31 place higher than the position at breathing pipe 2 place, liquid refrigerant liquid level in the compressor has been guaranteed to be lower, other positions of 2 outflow tract systems of breathing pipe can be followed to liquid refrigerant, the liquid level of refrigerant can not submerge breathing pipe 2 mouths completely, make binding post 31 can not contact with liquid refrigerant, make this compressor possess good high insulation resistance, thereby avoid leading to the whole insulation resistance of compressor to reduce because of refrigerant migration backward flow, help improving the holistic reliability of air conditioner.
The compressor with high insulation resistance further comprises a crankshaft 4 arranged in the machine body 1; the junction box 3 is positioned above the axis of the crankshaft 4; the air intake pipe 2 is located below the axis of the crankshaft 4. The housing 1 is cylindrical and coaxial with the crankshaft 4. The junction box 3 is arranged above the axial lead of the crankshaft 4, the air suction pipe 2 is arranged below the axial lead of the crankshaft 4, so that the wiring terminal 31 and the air suction pipe 2 are far away from each other, a large amount of liquid refrigerant which is migrated and reflows is prevented from submerging the bottom of the junction box 3 and penetrating into the machine body 1 to be contacted with a plug wire terminal, the short circuit of the wiring terminal 31 and the inner wall of a cylinder body in the machine body 1 is prevented, the quality problems of power on failure reporting, signal interference and even incapability of normal power on are reduced, and the compressor has good high insulation resistance.
An extension line passing through the center point of the junction box 3 intersects with an axis plane passing through the axis of the crankshaft 4 to form an included angle β, the included angle β is 5-175 degrees, because the air suction pipe 2 is arranged below the axis of the crankshaft 4, the junction box 3 is arranged in the preferable range of the included angle β, so that the junction terminal 31 and the air suction pipe 2 are far away, a large amount of liquid refrigerant migrating and reflowing cannot contact with the junction terminal 31, the short circuit between the junction terminal 31 and the inner wall of a cylinder body in the machine body 1 is prevented, the quality problems of failure in starting reporting, signal interference and even incapability of normally starting the machine are reduced, and the compressor has good high insulation resistance.
Preferably, the included angle β is 90 degrees, an extension line passing through the center point of the terminal box 3 is perpendicular to an axis plane passing through the axis of the crankshaft 4, so that the position of the wiring terminal 31 is farthest from the position of the air suction pipe 2, the wiring terminal 31 is optimally protected, a large amount of liquid refrigerant migrating and flowing back cannot contact with the wiring terminal 31, the wiring terminal 31 is prevented from being short-circuited with the inner wall of the cylinder body in the machine body 1, quality problems of starting failure, signal interference and even abnormal starting are reduced, and the compressor has good high insulation resistance.
In the present embodiment, the compressor with high insulation resistance further includes a winding assembly 5 disposed in the machine body 1; the winding assembly 5 comprises a winding 51 and a winding welding point 52; and an insulating envelope is sleeved outside the winding welding point 52. The insulation envelope is additionally arranged outside the winding welding points 52 for insulation treatment, so that the insulation resistance value of the compressor is improved, and the integral insulation performance of the air conditioner is improved. The insulating envelope may be a ceramic insulating layer, a mica insulating layer, or the like.
The junction box 3 further includes a box housing 32, a box cover 33, and a power terminal 34. Wherein, the box housing 32 is arranged on the outer side wall of the upper end of the machine body 1; the box cover 33 is matched with the box shell 32; the power supply terminal 34 is arranged in the box shell 32 and penetrates through the machine body 1 to be connected with the wiring terminal 31. The arrangement of the box shell 32 and the box cover 33 is helpful for protecting the power supply terminal 34, and the safety is high. The power supply wiring terminal 34 is made of copper material, has good strength and hardness, and has good conductivity, so that the compressor can work stably.
Preferably, the cartridge case 32 is attached to the body 1 by screws. The terminal box 3 and the machine body 1 are fixed through screws, and the terminal box is simple in structure and convenient to operate. Of course, the cartridge case 32 is fixed to the machine body 1 by means of snap-fit connection, welding, or the like.
In order to improve the overall stability of the compressor with high insulation resistance, a footing 6 is arranged at the bottom end of the machine body 1; and a vibration reduction foot pad 7 is arranged at the lower end of the footing 6. Support fixedly organism 1 through footing 6, utilize damping callus on the sole 7 to play good buffering damping effect to this compressor, avoid this compressor violent vibration in the course of the work.
The utility model provides a compressor that possesses high insulation resistance is through establishing breathing pipe 2 at the lower extreme of organism 1, establish binding post 31 of terminal box 3 in the upper end of organism 1, the position that makes binding post 31 place is higher than the position at breathing pipe 2 place, liquid refrigerant liquid level in the compressor has been guaranteed to be lower, other positions of 2 outflow tract systems of breathing pipe can be followed to liquid refrigerant, breathing pipe 2 mouths can not submerged completely to the liquid level of refrigerant, make binding post 31 can not contact with liquid refrigerant, make this compressor possess good high insulation resistance, thereby avoid leading to the whole insulation resistance of compressor to reduce because of the refrigerant migration backward flow, help improving the holistic reliability of air conditioner.
The application also provides an air conditioner, which comprises the compressor with high insulation resistance value. By installing the compressor having a high insulation resistance value in the air conditioner, the stability and reliability of the entire air conditioner can be improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims (10)

1. A compressor with high insulation resistance comprises a machine body; it is characterized by also comprising:
an air suction pipe arranged at the lower end of the machine body;
a junction box provided on an upper end of the body; the junction box comprises a wiring terminal positioned above the air suction pipe.
2. The compressor with high insulation resistance according to claim 1, further comprising a crankshaft provided in the machine body; the junction box is positioned above the axis of the crankshaft.
3. The compressor with high insulation resistance according to claim 2, wherein an extension line passing through a center point of the terminal box intersects with an axial plane passing through an axial line of the crankshaft to form an included angle β, and the included angle β is 5 ° to 175 °.
4. The compressor with high insulation resistance according to claim 3, wherein the included angle β is 90 °.
5. The compressor with high insulation resistance according to claim 2, wherein the intake pipe is located below an axial center line of the crankshaft.
6. The compressor with high insulation resistance according to claim 1, further comprising a winding assembly provided in the housing; the winding assembly comprises a winding and a winding welding spot; and an insulating envelope is sleeved outside the winding welding spot.
7. The compressor with high insulation resistance value according to claim 1, wherein the terminal box further includes:
the box shell is arranged on the outer side wall of the upper end of the machine body;
the box cover is matched with the box shell;
and the power supply wiring terminal is arranged in the box shell and penetrates through the machine body to be connected with the wiring terminal.
8. The compressor with high insulation resistance according to claim 7, wherein the box housing is attached to the machine body by a screw.
9. The compressor with high insulation resistance according to claim 1, wherein a footing is provided on a bottom end of the machine body; and a vibration reduction foot pad is arranged at the lower end of the footing.
10. An air conditioner characterized by comprising the compressor having a high insulation resistance value according to any one of claims 1 to 9.
CN201910983819.7A 2019-10-16 2019-10-16 Compressor and air conditioner that possess high insulation resistance Pending CN110792578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910983819.7A CN110792578A (en) 2019-10-16 2019-10-16 Compressor and air conditioner that possess high insulation resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910983819.7A CN110792578A (en) 2019-10-16 2019-10-16 Compressor and air conditioner that possess high insulation resistance

Publications (1)

Publication Number Publication Date
CN110792578A true CN110792578A (en) 2020-02-14

Family

ID=69440306

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910983819.7A Pending CN110792578A (en) 2019-10-16 2019-10-16 Compressor and air conditioner that possess high insulation resistance

Country Status (1)

Country Link
CN (1) CN110792578A (en)

Similar Documents

Publication Publication Date Title
CN102852757A (en) Motor-driven compressor
CN211500923U (en) Compressor and air conditioner that possess high insulation resistance
JP6658432B2 (en) In-vehicle fluid machinery
CN110792578A (en) Compressor and air conditioner that possess high insulation resistance
CN103403350A (en) Electric compressor
WO2018196489A1 (en) Scroll compressor for vehicle
CN210772858U (en) Air conditioning system
US20160281703A1 (en) Pump Control Switch
EP1486738A4 (en) Electric insulating device of air conditioner, and air conditioner with the device
JP6987591B2 (en) Sealed compressor
CN213206123U (en) Centrifugal pump stationary flow anti-vibration device
CN210624996U (en) Air conditioning system
CN202301051U (en) Novel inspiration and exhausting device of compressor used for air conditioner
CN212366264U (en) Three-phase connector for electric air-conditioning compressor
JP2009019579A (en) Hermetic compressor and refrigerating cycle device
CN219366272U (en) Exhaust pipe for compressor and compressor
CN220726587U (en) Compressor and refrigeration equipment
CN110595095B (en) Air conditioning system and control method
CN220622049U (en) Oil tank and engine
CN215409426U (en) Casing structure of electronic water pump
CN210404864U (en) Stator framework structure, stator module, motor and compressor
CN217239173U (en) Electric insulation structure of air condition compressor
CN107489621B (en) Compressor and air conditioner
KR102289268B1 (en) Electric compressor
CN211202297U (en) Compressor and vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination