CN103206808A - Grinding-in device for new grouped refrigerating compressors - Google Patents
Grinding-in device for new grouped refrigerating compressors Download PDFInfo
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- CN103206808A CN103206808A CN2013101176834A CN201310117683A CN103206808A CN 103206808 A CN103206808 A CN 103206808A CN 2013101176834 A CN2013101176834 A CN 2013101176834A CN 201310117683 A CN201310117683 A CN 201310117683A CN 103206808 A CN103206808 A CN 103206808A
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Abstract
The invention relates to a grinding-in device for new grouped refrigerating compressors, and belongs to the technical field of refrigerating compressors. Working media flow from a compressor via a high-voltage side heat exchanger (4) and are cooled, pass through an air throttle valve (5), the pressure is lowered; and the working media flow via a low-voltage side heat exchanger (6), and return to the compressor (1) after heat is further absorbed. A reservoir (9) is connected at an outlet of the low-voltage side heat exchanger (6) and refrigerating fluid is replenished or recycled according to system requirements; the high-voltage side heat exchanger (4) and the low-voltage side heat exchanger (6) can be air-cooled or water-cooled; and a single or a plurality of new compressor are connected with an air distribution bag (7) and an air-collecting bag (3) through hose speedy interfaces (2). The grinding-in device has the advantages that production efficiency of a grinding-in process of the new compressors on load is improved; system circulation working media can be nitrogen or refrigerating fluid; enclosed-type grinding-in facilitates cleanness; new compressors are connected rapidly and conveniently by the aid of the air distribution bag, the air-collecting bag and the hose speedy interface, utilization rate of the system is increased; and the heat exchanger can be both water-cooled or air-cooled flexibly.
Description
Technical field
The present invention relates to a kind ofly for the device of the new machine break-in of refrigeration compressor in groups, belong to technical field of refrigeration compressors.
Background technology
Current refrigeration compressor generally adopts the not open cold breaking in of on-load after production finishes, the available machine time is about 24 hours.Problems such as though have advantages of simple operation, actual effect is very bad, and the pollution of lubricating oil is dirty, metal fragment comes off still can occur in actual use, cause the fault rate of compressor to improve.And general break-in adopts each platform independent break-in, shared device not each other, waste resource and inefficiency.
Summary of the invention
The present invention has designed and a kind ofly has been intended to improve the production efficiency of the new machine break-in of refrigeration compressor for the device of the new machine break-in of refrigeration compressor in groups, and this device adopts closed break-in mode, and the intact compressor inside of break-in is cleaner.
The present invention adopts following technical scheme:
A kind of for the device schematic diagram of the new machine break-in of refrigeration compressor in groups, comprise flexible pipe fast interface 2, gas collection bag 3, high-side heat exchanger 4, choke valve 5, low-pressure side heat exchanger 6, divide gas bag 7, reservoir 8.Treat that the high-pressure working medium steam that new machine 1 compression of break-in compressor is come out converges at gas collection bag 3, the working medium high-side heat exchanger 4 of flowing through is cooled, reduce by choke valve 5 back pressure, become low pressure working fluid, behind the low-pressure side of the flowing through heat exchanger 6, temperature raises, and treats to compress in the new machine 1 of break-in compressor to each in 7 punishment of minute gas bag then, and construction system so moves in circles.Working medium can be nitrogen or cold-producing medium.Wherein: divide between gas bag 7 and the gas collection bag 3 to be provided with the flexible pipe fast interface 2 for the treatment of the new machine 1 of break-in compressor be used to being connected; Gas collection bag 3 is connected with high-side heat exchanger 4; Choke valve 5 is arranged between high-side heat exchanger 4 and the low-pressure side heat exchanger 6; Low-pressure side heat exchanger 6 is connected with dividing gas bag 7; Reservoir 8 is arranged on low-pressure side heat exchanger 6 and divides between the gas bag 7.
On described minute gas bag 7, the gas collection bag 32 above interfaces are set, and have temperature, pressure to measure reserved opening; Flexible pipe fast interface 2 is provided with stop valve and fast interface, for convenience detach and quick new machine of compressor that connects.
The connected mode of described reservoir 8 can be through type, supplementing type, or other can accept the working medium of closed circuit, and the connected mode of working medium is provided to system.
Described high pressure side pressure heat exchanger 4 is gas heat exchanger, and high-side heat exchanger 4 adopts water-cooled or air-cooled two kinds of types of cooling, can regulate the heat exchange amount according to the suction temperature automatic or manual.
Described choke valve 5 is gas throttling valve, can regulate the aperture of choke valve according to the pressure of inspiration(Pi) automatic or manual.
Low-pressure side heat exchanger 6 adopts water-cooled or air-cooled two kinds of types of cooling, can regulate the heat exchange amount according to the exhaust automatic or manual.
Described system in some cases, the low-pressure side heat exchanger 6 of this device can save, and saves back choke valve 5 and directly is connected with dividing gas bag 7, reservoir is arranged between choke valve 5 and the branch gas bag 7, other setting of system remains unchanged.
Described system can be by controlling only opening and the start and stop of compressor recovery working medium of stop valve in the process of changing compressor; Opening of adjustable valve ended after changing compressor, discharges remaining air in the compressor.
The present invention can obtain following beneficial effect: closed break-in makes compressor inside cleaner; The on-load break-in, efficient is higher; Branch, gas collection bag arrange a plurality of interfaces, simultaneously break-in separate unit or the new machine of multiple compressors; Flexible pipe and stop valve constitute fast interface, and conveniently fast disassembling is changed compressor; High-side heat exchanger, low-pressure side heat exchanger all can adopt water-cooled or air-cooled two kinds of types of cooling, and adjust the flow direction of air or water according to working conditions change, utilize natural cooling source, take full advantage of heat, energy savings; Can reclaim and additional working medium, automaticity strengthens and economic benefits strengthen and environmental protection; System has the control and regulation method, guarantees system stable operation, increases system reliability.
Description of drawings
Fig. 1 is a kind of for the device schematic diagram of the new machine break-in of refrigeration compressor in groups.
Fig. 2 is a kind of device (air-cooled) schematic diagram for the new machine break-in of refrigeration compressor in groups.
Fig. 3 is a kind of for the new machine running-in machine of refrigeration compressor (water-cooled) schematic diagram in groups.
Fig. 4 is a kind of for the cold-producing medium circulation pressure-enthalpy chart of the new machine running-in machine of refrigeration compressor (double heat exchanger) in groups.
Fig. 5 is a kind of for the cold-producing medium circulation pressure-enthalpy chart of the new machine running-in machine of refrigeration compressor (mono heat exchanger) in groups.
Fig. 6 is the reservoir connected mode.
Among the figure, 1 treats the new machine of break-in compressor, 2 flexible pipe fast interfaces, 3 gas collection bags, 4 high-side heat exchanger, 5 choke valves, 6 low-pressure side heat exchangers, 7 fens gas bags, 8 reservoirs, air port, 9 air channel I, air port, 10 air channel II, air port, 11 air channel III, 12 air channel switch I, 13 air channel switch II, 14 air channel switch III, 15 intake-outlet I, 16 intake-outlet II, 17 stop valve I, 18 stop valve II, 19 stop valve III, 20 check valve I, 21 check valve II, 22 equilibrated valves.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing and specific implementation method:
Execute example 1:
As shown in Figure 2, a kind of device for the new machine break-in of compressor in groups is air-cooled.Comprise flexible pipe fast interface 2, gas collection bag 3, high-side heat exchanger 4, choke valve 5, low-pressure side heat exchanger 6, divide gas bag 7, reservoir 8, air port, air channel I 9, air port, air channel II 10, air port, air channel III 11, air channel switch I 12, air channel switch II 13, air channel switch III 14.It is characterized in that: divide between gas bag 7 and the gas collection bag 3 to be provided with the flexible pipe fast interface 2 for the treatment of the new machine 1 of break-in compressor be used to being connected; Gas collection bag 3 is connected with high-side heat exchanger 4; Choke valve 5 is arranged between high-side heat exchanger 4 and the low-pressure side heat exchanger 6; Low-pressure side heat exchanger 6 is connected with dividing gas bag 7; Reservoir 8 is connected low-pressure side heat exchanger 6 and divides on the pipeline between the gas bag 7; High-side heat exchanger 4, choke valve 5 and low-pressure side heat exchanger 6 are placed in the air channel.High-side heat exchanger 4 and low-pressure side heat exchanger 6 are air-cooled heat exchanger.
Described system heat exchanger circulation of air process is as follows: summer operating mode, open air channel switch I 12 and air channel switch II 13, close air channel switch III 14, the air of high-side heat exchanger 4 and low-pressure side heat exchanger 6 is circulation separately, air advances from air port, air channel I 9, and the high-side heat exchanger of flowing through 4 flows out from air port, air channel III 11; Air advances from air channel switch II 13, and the low-pressure side of flowing through heat exchanger 6 flows out from air port, air channel II 10.Winter operating mode, close air channel switch I 12 and air channel switch II 13, open air channel switch III 14, air advances from air port, air channel I 9, the high-side heat exchanger 4 of flowing through, air themperature raises, and the low-pressure side of flowing through again heat exchanger 6 is with heat transferred low-pressure side heat exchanger 6, flow out from air port, air channel II 10 at last, so namely solve the contradiction of not having abundant heat transferred low-pressure side heat exchanger 6 winter, taken full advantage of heat again, saved energy.Suitably situation lower air duct switch I 12, air channel switch II 13 and air channel switch III 14 are suitably opened, and regulate air mass flow.
Described system adjustment process is as follows: choke valve 5 can be manually or automatically, to regulate pressure of inspiration(Pi), the impression of automatic condition downforce transmitter divides pressure of inspiration(Pi) in the gas bag, signal is passed to adjuster, adjuster is according to the difference between setting value and the measured value, output regulation signal is regulated the aperture of choke valve 5, the control pressure of inspiration(Pi); Low-pressure side heat exchanger 6 can be regulated the heat exchange amount manually or automatically according to suction temperature, under the automatic condition, regulate rotation speed of the fan and air mass flow, the suction temperature signal that adjuster will be arranged on the temperature sensor impression of branch gas bag compares with setting value, transmit the conditioning signal fan, regulate the heat exchange amount to regulate suction temperature; High-side heat exchanger 4 can be regulated the heat exchange amount manually or automatically according to pressure at expulsion, under the automatic condition, regulate rotation speed of the fan and air mass flow, the discharge pressure signal that adjuster will be arranged on the pressure transmitter impression of branch gas bag compares with setting value, transmit the conditioning signal fan, regulate the heat exchange amount to regulate pressure at expulsion; When connecting system treat that break-in compression board number changes the time, by increasing or reduce the air channel air quantity, to regulate the heat exchange amount.By above regulative mode, compressor air suction pressure, suction temperature and pressure at expulsion control in setting value, are guaranteed namely no matter how how operating mode becomes, and how the platform number becomes, and compressor operation is all identical, namely guarantees inspiratory point at g1, and release is at g2.The systematic working medium flow direction is shown in black arrow among Fig. 2.The system work process pressure-enthalpy chart as shown in Figure 4.The situation that low-pressure side heat exchanger 6 saves, the system work process pressure-enthalpy chart as shown in Figure 5.
Fig. 6 has shown three kinds of reservoir connected modes.Main system working medium circulates shown in black arrow, 8 reservoirs among the A figure, 20 check valve I, 21 check valve II; 8 reservoirs among the B figure; 8 reservoirs among the C figure, 22 equilibrated valves.
Embodiment 2:
As shown in Figure 3, a kind of for the device water-cooled of the new machine break-in of compressor in groups.Comprise flexible pipe fast interface 2, gas collection bag 3, high-side heat exchanger 4, choke valve 5, low-pressure side heat exchanger 6, divide gas bag 7, reservoir 8, intake-outlet I 15, intake-outlet II 16, stop valve I 17, stop valve II 18, stop valve III 19.It is characterized in that: divide between gas bag 7 and the gas collection bag 3 to be provided with the flexible pipe fast interface 2 for the treatment of the new machine 1 of break-in compressor be used to being connected; Gas collection bag 3 is connected with high-side heat exchanger 4; Choke valve 5 is arranged between high-side heat exchanger 4 and the low-pressure side heat exchanger 6; Low-pressure side heat exchanger 6 is connected with dividing gas bag 7; Reservoir 8 is connected low-pressure side heat exchanger 6 and divides on the pipeline between the gas bag 7; The water pipeline connects between high-side heat exchanger 4 and the low-pressure side heat exchanger 6.High-side heat exchanger 4 and low-pressure side heat exchanger 6 are water-cooled heat exchanger.
Described system heat exchanger water flow process is as follows: summer operating mode, open stop valve I 17 and stop valve III 19, close stop valve II 18, the water of high-side heat exchanger 4 and low-pressure side heat exchanger 6 is circulation separately, water advances from intake-outlet I 15, and the high-side heat exchanger of flowing through 4 flows out from stop valve I 17; Water advances from stop valve III 19, and the low-pressure side of flowing through heat exchanger 6 flows out from intake-outlet II 16.Winter operating mode, close stop valve I 17 and stop valve III 19, open stop valve II 18, water advances from intake-outlet I 15, the high-side heat exchanger 4 of flowing through, coolant-temperature gage raises, and the low-pressure side of flowing through again heat exchanger 6 is with heat transferred low-pressure side heat exchanger 6, flow out from intake-outlet II 16 at last, so namely solve the contradiction of not having abundant heat transferred low-pressure side heat exchanger 6 winter, taken full advantage of heat again, saved energy.Suitably stop valve I 18, stop valve II 18 and stop valve III 19 are suitably opened under the situation, regulate discharge.
Described system adjustment process is as follows: choke valve 5 can be manually or automatically, to regulate pressure of inspiration(Pi), the impression of automatic condition downforce transmitter divides pressure of inspiration(Pi) in the gas bag, signal is passed to adjuster, adjuster is according to the difference between setting value and the measured value, output regulation signal is regulated the aperture of choke valve 5, the control pressure of inspiration(Pi); Low-pressure side heat exchanger 6 can be regulated the heat exchange amount manually or automatically according to suction temperature, under the automatic condition, the suction temperature signal that adjuster will be arranged on the temperature sensor impression of branch gas bag compares with setting value, transmits the conditioning signal feed pump, regulate discharge, regulate the heat exchange amount to regulate suction temperature; High-side heat exchanger 4 can be regulated the heat exchange amount manually or automatically according to pressure at expulsion, under the automatic condition, the discharge pressure signal that adjuster will be arranged on the pressure transmitter impression of branch gas bag compares with setting value, transmits the conditioning signal feed pump, regulate discharge, regulate the heat exchange amount to regulate pressure at expulsion; When connecting system treat that break-in compression board number changes the time, by increasing or reduce discharge, to regulate the heat exchange amount.Stop valve I 17, stop valve II 18 and stop valve III 19 can suitably be opened according to the flow situation, reach the adjusting purpose.By above regulative mode, compressor air suction pressure, suction temperature and pressure at expulsion control in setting value, are guaranteed namely no matter how how operating mode becomes, and how the platform number becomes, and compressor operation is all identical, namely guarantees inspiratory point at g1, and release is at g2.The systematic working medium flow direction is shown in black arrow among Fig. 3.The system work process pressure-enthalpy chart as shown in Figure 4.Under the situation that system low-voltage side heat exchanger 6 saves, the system work process pressure-enthalpy chart as shown in Figure 5.
Fig. 6 has shown three kinds of reservoir connected modes.Main system working medium circulates shown in black arrow, 8 reservoirs among the A figure, 20 check valve I, 21 check valve II; 8 reservoirs among the B figure; 8 reservoirs among the C figure, 22 equilibrated valves.
Claims (6)
1. one kind is used for the device of the new machine break-in of refrigeration compressor in groups, comprises flexible pipe fast interface (2), gas collection bag (3), high-side heat exchanger (4), choke valve (5), low-pressure side heat exchanger (6), divides gas bag (7), reservoir (8).It is characterized in that: divide between gas bag (7) and the gas collection bag (3) to be provided with the flexible pipe fast interface (2) for the treatment of the new machine of break-in compressor (1) be used to being connected; Gas collection bag (3) is connected with high-side heat exchanger (4); Choke valve (5) is arranged between high-side heat exchanger (4) and the low-pressure side heat exchanger (6); Low-pressure side heat exchanger (6) is connected with dividing gas bag (7); Reservoir (8) is connected low-pressure side heat exchanger (6) and divides on the pipeline between the gas bag (7).
2. according to claim 1 a kind of for the device of the new machine break-in of refrigeration compressor in groups, it is characterized in that: on described minute gas bag (7) and the gas collection bag (3) 2 above interfaces are set, and have temperature, pressure to measure reserved opening; Flexible pipe fast interface (2) is provided with stop valve and fast interface, for convenience detach and quick new machine of compressor (1) that connects.
3. according to claim 1 a kind of for the device of the new machine break-in of refrigeration compressor in groups, it is characterized in that: the connected mode of reservoir (8) can be through type, supplementing type, or other can accept the working medium of closed circuit, and the connected mode of working medium is provided to system.
4. according to claim 1 a kind of for the device of the new machine break-in of refrigeration compressor in groups, it is characterized in that: high-side heat exchanger (4) and low-pressure side heat exchanger (6) adopt water-cooled or air-cooled two kinds of types of cooling, and automatic or manual is regulated the heat exchange amount.
It is 5. according to claim 1 that a kind of it is characterized in that: choke valve (5) is gas throttling valve for the device of the new machine break-in of refrigeration compressor in groups, but and automatic or manual regulate.
6. according to claim 1 a kind of for the device of the new machine break-in of refrigeration compressor in groups, it is characterized in that: the low-pressure side heat exchanger (6) of this device can save, saving back choke valve (5) directly is connected with dividing gas bag (7), reservoir is connected choke valve (5) and divides on the pipeline between the gas bag (7), and other setting of system remains unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310117683.4A CN103206808B (en) | 2013-04-07 | 2013-04-07 | Grinding-in device for new grouped refrigerating compressors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310117683.4A CN103206808B (en) | 2013-04-07 | 2013-04-07 | Grinding-in device for new grouped refrigerating compressors |
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| CN103206808A true CN103206808A (en) | 2013-07-17 |
| CN103206808B CN103206808B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310117683.4A Expired - Fee Related CN103206808B (en) | 2013-04-07 | 2013-04-07 | Grinding-in device for new grouped refrigerating compressors |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697643A (en) * | 2013-12-18 | 2014-04-02 | 四川长虹电器股份有限公司 | Air conditioning system |
| CN110454375A (en) * | 2019-07-08 | 2019-11-15 | 合肥通用机械研究院有限公司 | Use nitrogen as the system of refrigerant detection compressor effect |
| CN110542176A (en) * | 2019-09-19 | 2019-12-06 | 重庆美的通用制冷设备有限公司 | Defrosting control system and method for air conditioner, air conditioner and readable storage medium |
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| CN201443501U (en) * | 2009-07-02 | 2010-04-28 | 大连三洋压缩机有限公司 | Starting performance detector for single-phase compressors |
| CN201531406U (en) * | 2009-11-09 | 2010-07-21 | 上海佐竹冷热控制技术有限公司 | Life test system of a refrigeration compressor |
| CN202370812U (en) * | 2011-12-15 | 2012-08-08 | 上海维尔泰克螺杆机械有限公司 | Test bed system of refrigeration compressor |
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2013
- 2013-04-07 CN CN201310117683.4A patent/CN103206808B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060218965A1 (en) * | 2005-04-05 | 2006-10-05 | Manole Dan M | Variable cooling load refrigeration cycle |
| JP2008256247A (en) * | 2007-04-04 | 2008-10-23 | Matsushita Electric Ind Co Ltd | Multi-room type air conditioner |
| CN201443501U (en) * | 2009-07-02 | 2010-04-28 | 大连三洋压缩机有限公司 | Starting performance detector for single-phase compressors |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697643A (en) * | 2013-12-18 | 2014-04-02 | 四川长虹电器股份有限公司 | Air conditioning system |
| CN103697643B (en) * | 2013-12-18 | 2016-01-13 | 四川长虹电器股份有限公司 | A kind of air-conditioning system |
| CN110454375A (en) * | 2019-07-08 | 2019-11-15 | 合肥通用机械研究院有限公司 | Use nitrogen as the system of refrigerant detection compressor effect |
| CN110542176A (en) * | 2019-09-19 | 2019-12-06 | 重庆美的通用制冷设备有限公司 | Defrosting control system and method for air conditioner, air conditioner and readable storage medium |
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| CN103206808B (en) | 2015-07-08 |
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Granted publication date: 20150708 |