CN110080985A - A kind of heating device of screw compressor - Google Patents
A kind of heating device of screw compressor Download PDFInfo
- Publication number
- CN110080985A CN110080985A CN201910418334.3A CN201910418334A CN110080985A CN 110080985 A CN110080985 A CN 110080985A CN 201910418334 A CN201910418334 A CN 201910418334A CN 110080985 A CN110080985 A CN 110080985A
- Authority
- CN
- China
- Prior art keywords
- casing
- heating device
- compressor
- heating
- ptc
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000004378 air conditioning Methods 0.000 abstract description 13
- 239000003507 refrigerant Substances 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of heating devices of screw compressor, it is related to air-conditioning technical field, including casing, the right end of the casing offers air inlet, the left end of the casing is connected with end cap by screw thread, and the outer surface of end cap offers exhaust outlet, the inside of the casing is placed with PTC heating device.The heating device of the screw compressor, by the way that PTC heater is arranged, under the action of connecting terminal, thermal energy can be converted electrical energy into, so as to effectively improve the suction temperature of compressor, directly enhance the delivery temperature of compressor, improve the heating performance of air-conditioning system, solve the problems, such as that existing compressor of air conditioner heating capacity under low-temperature heating state is low, achieve the purpose that gas is sucked to compressor of air conditioner carries out quickly heating to make compressor exhaust temperature also correspondingly increase, air-conditioning is forced to improve heating efficiency under low-temperature condition, effectively reduce the waiting time of user of service, improve user of service's satisfaction.
Description
Technical field
The present invention relates to air-conditioning technical field, specially a kind of heating device of screw compressor.
Background technique
When air-conditioning heating, gas refrigerant is pressurizeed by compressor, becomes high temperature and high pressure gas, enters the room the heat exchanger of machine
(being at this time condenser), condensation liquefaction heat release becomes liquid, while room air being heated, to reach raising room temperature
Purpose, refrigerant evaporates in outdoor unit becomes gas, absorbs the heat in air, therefore the evaporating temperature of refrigerant must be low
In outdoor temperature, compressor at work, compresses gas, and gas pressure increases temperature simultaneously and also rises in compression process
Height, compressor sucking gas temperature is low, and the temperature that gas is discharged is also low, and compressor sucks gas temperature height, and the temperature of gas is discharged
It spends also high.
When compressor heats within air-conditioning systems, if delivery temperature is too low, the heating effect of air-conditioning system is very bad, needs
It to be heated indoors using PTC in machine, PTC (ceramic heater) converts electrical energy into thermal energy, and PTC heats transfer efficiency very
Low, 1kW electric energy conversion thermal energy is no more than 0.95kW and uses the sky of R134a refrigerant when outdoor temperature is very low (- 10 DEG C or less)
Adjusting system evaporating temperature is very low, and compressor sucking gas temperature is low, and the delivery temperature of compressor is not also high, leads to air-conditioning system system
Thermal effect is bad, if can by compressor suck gas temperature raising can improve air-conditioning system heating effect, thus we
A kind of heating device of screw compressor is proposed to solve the problems, such as this.
Summary of the invention
The object of the present invention is to provide a kind of heating device of screw compressor, has and effectively improve air-conditioning system heating property
The advantages of energy, solve the problems, such as that heating capacity is low under existing compressor of air conditioner low temperature.
The present invention is in order to solve the above technical problems, provide the following technical solutions: a kind of heating device of screw compressor, packet
Casing is included, the right end of the casing offers air inlet, and the left end of the casing is connected with end cap, and end cap by screw thread
Outer surface offer exhaust outlet, the inside of the casing is placed with PTC heating device, and the PTC heating device includes PTC hair
Hot body and connecting terminal.
Further, the left end of the casing is arranged with bearing block, in the inside and internal side of shell wall of the bearing block
Portion is fixed to be inlaid with bearing, and the inside of the casing is placed with transmission shaft, and the left and right ends of transmission shaft respectively with two axis
The inner ring held is fixedly connected, and the outer surface of the transmission shaft is arranged with motor, and motor is located at the inside of casing.
Extraneous low-pressure air can be made to enter casing by setting motor and air inlet by using above-mentioned technical proposal
Inside, and make casing internal right side formed low pressure chamber.
Further, the internal sleeve of the bearing block is equipped with cross slip-ring, and cross slip-ring is located at the left side of bearing, described
The left end of cross slip-ring has been sequentially arranged orbiter and fixed scroll, and the left end of fixed scroll connects with the right side of end cap
Touching.
By using above-mentioned technical proposal, the low-pressure air inside low pressure chamber can be compressed, to form high pressure gas
Body.
Further, the inside of the casing is fixedly connected with PTC heater compatible with casing, the PTC fever
Body is sheathed on the outside of transmission shaft, and PTC heater, between bearing block and motor, the upper surface of the casing is fixedly connected
There is connecting terminal, and the bottom end of connecting terminal is electrically connected with the input terminal of PTC heater.
It can be connected by connecting terminal with external power supply by using above-mentioned technical proposal by setting connecting terminal,
To make the fever of PTC heater generate thermal energy, the air inside the low pressure chamber is heated, air-conditioning heating under low-temperature condition is made
It is more efficient.
Further, the air inlet is located at the right side of motor, between the outer surface of the motor and the inner wall of casing there are
Gap.
By using above-mentioned technical proposal, inlet channel can be formed in casing internal, low-pressure gas is assisted to enter PTC hair
The heating region of hot body.
Further, the PTC heater is annular in shape, and the diameter value of PTC heater inner ring is greater than the straight of transmission shaft
Diameter value.
By using above-mentioned technical proposal, PTC heater is avoided to interference with transmission shaft.
Compared with prior art, the heating device of the screw compressor have it is following the utility model has the advantages that
The present invention can convert electrical energy into thermal energy under the action of connecting terminal by the way that PTC heater is arranged, so as to
The suction temperature for effectively improving compressor directly enhances the delivery temperature of compressor, improves the heating performance of air-conditioning system,
Solve the problems, such as that existing compressor of air conditioner heating capacity under low-temperature heating state is low.
Detailed description of the invention
Fig. 1 is the cross-sectional view of casing front view of the present invention；
Fig. 2 is PTC heater shaft side figure of the present invention；
Fig. 3 is connecting terminal shaft side figure of the present invention.
In figure: 1- end cap, 2- fixed scroll, 3- orbiter, 4- cross slip-ring, 5- bearing block, 6-PTC heating device,
61-PTC heater, 62- connecting terminal, 7- motor, 8- casing, 9- bearing, 10- transmission shaft, 11- air inlet, 12- exhaust outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of heating device of screw compressor, including casing
8, the right end of casing 8 offers air inlet 11, and the left end of casing 8 is connected with end cap 1, and the appearance of end cap 1 by screw thread
Face offers exhaust outlet 12, and the inside of casing 8 is placed with PTC heating device 6, and PTC heating device 6 includes 61 He of PTC heater
Connecting terminal 62.
The left end of casing 8 is arranged with bearing block 5, and the fixation of the middle part of 8 inner sidewall of inside and casing of bearing block 5 is inlaid with
Bearing 9, the inside of casing 8 is placed with transmission shaft 10, and inner ring of the left and right ends of transmission shaft 10 respectively with two bearings 9 is fixed
Connection, the outer surface of transmission shaft 10 is arranged with motor 7, and motor 7 is located at the inside of casing 8, passes through setting motor 7 and air inlet
11, extraneous low-pressure air can be made to enter the inside of casing 8, and the right side inside casing 8 is made to form low pressure chamber.
The internal sleeve of bearing block 5 is equipped with cross slip-ring 4, and cross slip-ring 4 is located at the left side of bearing 9, a left side for cross slip-ring 4
End has been sequentially arranged orbiter 3 and fixed scroll 2, and the left end of fixed scroll 2 is in contact with the right side of end cap 1, can be right
Low-pressure air inside low pressure chamber is compressed, to form high pressure gas.
The inside of casing 8 is fixedly connected with PTC heater 61 compatible with casing 8, and PTC heater 61 is sheathed on transmission
The outside of axis 10, and PTC heater 61, between bearing block 5 and motor 7, the upper surface of casing 8 is fixedly connected with terminals
Son 62, and the bottom end of connecting terminal 62 is electrically connected with the input terminal of PTC heater 61, by the way that connecting terminal 62 is arranged, can be passed through
Connecting terminal 62 is connected with external power supply, to make the fever of PTC heater 61 generate thermal energy, to the air inside the low pressure chamber
It is heated, keeps air-conditioning heating under low-temperature condition more efficient.
Air inlet 11 is located at the right side of motor 7, and there are gaps between the outer surface of motor 7 and the inner wall of casing 8, in casing 8
Interior formation inlet channel assists low-pressure gas to enter the heating region of PTC heater 61.
PTC heater 61 is annular in shape, and the diameter value of 61 inner ring of PTC heater is greater than the diameter value of transmission shaft 10, keeps away
Exempt from PTC heater 61 to interference with transmission shaft 10.
PTC heater 61 and connecting terminal 62 are the extensive utilization having disclosed and the known skill of daily life in the present invention
Art, PTC ceramics heater 61 are called ptc heater, are formed using PTC ceramics heater element and aluminum pipe, the type PTC heater
61 have the advantages that thermal resistance is small, heat exchange efficiency is high, are the electric heaters of a kind of automatic constant-temperature, power saving, and connecting terminal 62 is to be used for
Realize a kind of accessory of electrical connection.
In use, one end by connecting terminal 62 far from PTC heater 61 is electrically connected with battery, i.e. connecting terminal 62
Positive and negative anodes carry out electric wire connection by the positive and negative anodes of power supply line and battery holder, battery is put into battery holder and is powered, it is low
Body of calming the anger is entered the inside of casing 8 by air inlet 11, is formed low pressure chamber on the right side of casing 8, is flowed through through inlet channel in casing 8
PTC heater 61 enters the inside of end cap 1 after being compressed by the orbiting and fixed scroll 2, orbiter 3, formed in end cap 1 high
Chamber is pressed, is discharged by exhaust outlet 12.
Claims (6)
1. a kind of heating device of screw compressor, including casing (8), it is characterised in that: the right end of the casing (8) offers
The left end of air inlet (11), the casing (8) is connected with end cap (1) by screw thread, and the outer surface of end cap (1) offers
The inside of exhaust outlet (12), the casing (8) is placed with PTC heating device (6), and the PTC heating device (6) includes PTC hair
Hot body (61) and connecting terminal (62).
2. a kind of heating device of screw compressor according to claim 1, it is characterised in that: a left side for the casing (8)
End cap is equipped with bearing block (5), and the inside of the bearing block (5) and the middle part fixation of casing (8) inner sidewall are inlaid with bearing
(9), the inside of the casing (8) is placed with transmission shaft (10), and the left and right ends of transmission shaft (10) respectively with two bearings (9)
Inner ring be fixedly connected, the outer surface of the transmission shaft (10) is arranged with motor (7), and motor (7) is located at the interior of casing (8)
Portion.
3. a kind of heating device of screw compressor according to claim 2, it is characterised in that: the bearing block (5)
Internal sleeve is equipped with cross slip-ring (4), and cross slip-ring (4) is located at the left side of bearing (9), the left end of the cross slip-ring (4) according to
It is secondary to be disposed with orbiter (3) and fixed scroll (2), and the left end of fixed scroll (2) is in contact with the right side of end cap (1).
4. a kind of heating device of screw compressor according to claim 2, it is characterised in that: the casing (8) it is interior
Portion, which is fixedly connected with, is sheathed on transmission shaft (10) with casing (8) compatible PTC heater (61), the PTC heater (61)
Outside, and PTC heater (61) is located between bearing block (5) and motor (7), and the upper surface of the casing (8) is fixedly connected
Have connecting terminal (62), and the bottom end of connecting terminal (62) is electrically connected with the input terminal of PTC heater (61).
5. a kind of heating device of screw compressor according to claim 2, it is characterised in that: air inlet (11) position
There are gaps between the right side of motor (7), the outer surface of the motor (7) and the inner wall of casing (8).
6. a kind of heating device of screw compressor according to claim 1, it is characterised in that: the PTC heater
(61) annular in shape, and the diameter value of PTC heater (61) inner ring is greater than the diameter value of transmission shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418334.3A CN110080985A (en) | 2019-05-20 | 2019-05-20 | A kind of heating device of screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418334.3A CN110080985A (en) | 2019-05-20 | 2019-05-20 | A kind of heating device of screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110080985A true CN110080985A (en) | 2019-08-02 |
Family
ID=67420924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910418334.3A Pending CN110080985A (en) | 2019-05-20 | 2019-05-20 | A kind of heating device of screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110080985A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657095A (en) * | 2019-10-31 | 2020-01-07 | 蔡彪 | Scroll compressor with air preheating effect |
| CN114087163A (en) * | 2020-08-25 | 2022-02-25 | 比亚迪股份有限公司 | Compressor assembly and vehicle with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01147180A (en) * | 1987-11-30 | 1989-06-08 | Shin Meiwa Ind Co Ltd | Scroll type fluid machine |
| US20010043878A1 (en) * | 2000-03-31 | 2001-11-22 | Sullivan Timothy J. | Involute spiral wrap device |
| US20020039532A1 (en) * | 2000-09-29 | 2002-04-04 | Satoru Saito | Motor-driven compressors |
| CN1632388A (en) * | 2003-12-23 | 2005-06-29 | 乐金电子(天津)电器有限公司 | Device for increasing air conditioner air exhaust temperature during low temperature operation |
| CN200943510Y (en) * | 2006-07-26 | 2007-09-05 | 郎风 | Directly-heated engine |
| CN207740169U (en) * | 2017-12-13 | 2018-08-17 | 嵊州市涡旋冷冻机有限公司 | A kind of semiclosed screw compressor with bottom-heated |
| CN210135090U (en) * | 2019-05-17 | 2020-03-10 | 湖南贝特新能源科技有限公司 | Heating device of scroll compressor |
-
2019
- 2019-05-20 CN CN201910418334.3A patent/CN110080985A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01147180A (en) * | 1987-11-30 | 1989-06-08 | Shin Meiwa Ind Co Ltd | Scroll type fluid machine |
| US20010043878A1 (en) * | 2000-03-31 | 2001-11-22 | Sullivan Timothy J. | Involute spiral wrap device |
| US20020039532A1 (en) * | 2000-09-29 | 2002-04-04 | Satoru Saito | Motor-driven compressors |
| CN1632388A (en) * | 2003-12-23 | 2005-06-29 | 乐金电子(天津)电器有限公司 | Device for increasing air conditioner air exhaust temperature during low temperature operation |
| CN200943510Y (en) * | 2006-07-26 | 2007-09-05 | 郎风 | Directly-heated engine |
| CN207740169U (en) * | 2017-12-13 | 2018-08-17 | 嵊州市涡旋冷冻机有限公司 | A kind of semiclosed screw compressor with bottom-heated |
| CN210135090U (en) * | 2019-05-17 | 2020-03-10 | 湖南贝特新能源科技有限公司 | Heating device of scroll compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657095A (en) * | 2019-10-31 | 2020-01-07 | 蔡彪 | Scroll compressor with air preheating effect |
| CN110657095B (en) * | 2019-10-31 | 2021-10-22 | 宁波华生压缩机有限公司 | Scroll compressor with air preheating effect |
| CN114087163A (en) * | 2020-08-25 | 2022-02-25 | 比亚迪股份有限公司 | Compressor assembly and vehicle with same |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190802 |
|
| RJ01 | Rejection of invention patent application after publication |