CN202382477U - Multifunctional air conditioning heat pump unit capable of discharging high temperature water - Google Patents
Multifunctional air conditioning heat pump unit capable of discharging high temperature water Download PDFInfo
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- CN202382477U CN202382477U CN2011205355350U CN201120535535U CN202382477U CN 202382477 U CN202382477 U CN 202382477U CN 2011205355350 U CN2011205355350 U CN 2011205355350U CN 201120535535 U CN201120535535 U CN 201120535535U CN 202382477 U CN202382477 U CN 202382477U
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Abstract
The utility model relates to a multifunctional air conditioning heat pump unit capable of discharging high temperature water which comprises a first compressor, a cross joint, an environment-side heat exchanger, a first gas-liquid separator, a first non-return valve, a second non-return valve, a first liquid reservoir, a third non-return valve, an economizer, a first throttling element, a fourth non-return valve, an air conditioning water heat exchanger, an intermediate heat exchanger, a first electromagnetic valve, a second electromagnetic valve and a second gas-liquid separator, wherein the second gas-liquid separator is connected with the air suction port of a second compressor through a pipeline; the air exhaust of the second compressor is connected with a domestic hot-water heat exchanger through a pipeline; the liquid port end of the domestic hot-water heat exchanger is connected with a second liquid reservoir through a pipeline; and the second liquid reservoir is connected with the intermediate heat exchanger through a pipeline and a second throttling element which is positioned on the pipeline. The multifunctional air conditioning heat pump unit capable of discharging the high temperature water is compact in structure, can be used for not only preparing chilled water for air conditioning, but also providing domestic hot-water which is at the temperature up to 85 DEG C and meets the national hygienic standard all the year round, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of central air-conditioning and heat-pump hot-water unit technology, especially a kind of multifunctional high-temperature water outlet air conditioner and heat pump unit.
Background technology
Central air-conditioning is produced air conditioning water or hot water according to the Carnot cycle principle, delivers to each end-equipment through water circulating pump again, realizes the control of indoor temperature.
The heat-pump hot-water unit adopts heat pump compressed air, and the power conversion of drawing in the compressed air is a heat energy, produces the domestic hot-water.
Because common heat-pump hot-water unit receives the restriction in environment for use and season, the unit efficiency reduces even can't move when environment temperature is low.A kind of air conditioner and heat pump unit if can be provided, can round-the-clock running, the multipurpose hot water unit of multiple leaving water temperature can be provided according to the difference of use occasion again, satisfy different requirements of customers, seem important increasingly.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art; A kind of multifunctional high-temperature water outlet air conditioner and heat pump unit is provided, and its compact conformation can be produced conditioned water; Also can annual provide to be up to 85 ℃ of domestic hot-waters that meet state health standards, safe and reliable.
The technical scheme that provides according to the utility model; Said multifunctional high-temperature water outlet air conditioner and heat pump unit; Comprise first compressor; The exhaust outlet of said first compressor links to each other with the D interface of cross valve through pipeline, and the S interface of cross valve links to each other with first gas-liquid separator through pipeline, and said first gas-liquid separator links to each other with the air entry of first compressor through pipeline; The C interface of said cross valve links to each other with the ambient side heat exchanger; The liquid mouth end of said ambient side heat exchanger links to each other with the entrance point of first check valve and the port of export of second check valve respectively; The port of export of said first check valve links to each other with first reservoir through pipeline, and said first reservoir also links to each other with the port of export of the 3rd check valve; Said first reservoir links to each other with first entrance point of economizer through pipeline; First port of export of said first economizer connects the back through pipeline and forms main road pipeline and bypass pipeline; Bypass cold-producing medium in the said bypass pipeline gets into another heat exchanger channels of economizer again after the electric expansion valve throttling, through get into the gas supplementing opening of first compressor behind the corresponding liquid refrigerant of economizer evaporative cooling through second port of export; On the said entering main road pipeline first throttle element is set, said first throttle element links to each other with the entrance point of second check valve and the 4th check valve respectively through pipeline;
The E interface of said cross valve links to each other with conditioned water heat exchanger and Intermediate Heat Exchanger through pipeline; The liquid mouth end of said Intermediate Heat Exchanger links to each other with the entrance point of the 3rd check valve through the pipeline and first magnetic valve that is positioned on the said pipeline, and the liquid mouth end of conditioned water heat exchanger links to each other with the entrance point of the 3rd check valve and the port of export of the 4th check valve through second magnetic valve on pipeline and the said pipeline;
The liquid mouth end of said Intermediate Heat Exchanger also links to each other with second gas-liquid separator through pipeline; Said second gas-liquid separator links to each other with the air entry of second compressor through pipeline; The exhaust outlet of second compressor links to each other with domestic hot-water's heat exchanger through pipeline; The liquid mouth end of said domestic hot-water's heat exchanger links to each other with second reservoir through pipeline, and said second reservoir links to each other with Intermediate Heat Exchanger through the pipeline and second restricting element that is positioned on the said pipeline.
Said first compressor is that tonifying Qi increases the enthalpy fully-closed vortex compressor.Said second restricting element is heating power expansion valve or capillary.
Said ambient side heat exchanger is air-fluorine heat exchanger.Said ambient side heat exchanger is a finned heat exchanger.Said conditioned water heat exchanger is plate type heat exchanger or case tube heat exchanger.
Said domestic hot-water's heat exchanger is pot type heat exchanger or double-tube heat exchanger.Said Intermediate Heat Exchanger is plate type heat exchanger or double-tube heat exchanger.Said second compressor is high temperature compressed machine.Said first throttle element is heating power expansion valve or capillary.
The advantage of the utility model: can freeze, heat, heat efficiently operation under three kinds of operational modes of water; And the highest high-temperature-hot-water that provides up to the 85 ℃ high-temperature-hot-water up to 65 ℃ can be provided when heating or heat water the time; Provide high-temperature-hot-water to be mainly used in radiant heating when heating; Provide high-temperature-hot-water to be mainly used in when heating water the domestic water that meets state health standards is provided, meet consumers' demand.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1: the utility model comprises first compressor 1; Cross valve 2; First gas-liquid separator 3; Ambient side heat exchanger 4; First check valve 5; Second check valve 6; The 3rd check valve 7; The 4th check valve 8; First reservoir 9; Economizer 10; First throttle element 11; Electric expansion valve 12; First magnetic valve 13; Second magnetic valve 14; Conditioned water heat exchanger 15; Intermediate Heat Exchanger 16; Second compressor 17; Domestic hot-water's heat exchanger 18; Second reservoir 19; Second restricting element 20; Second gas-liquid separator 21; First port of export 22; Main road pipeline 23 and bypass pipeline 24.
As shown in Figure 1: said multifunctional high-temperature water outlet air conditioner and heat pump unit comprises first compressor 1; The exhaust outlet of said first compressor 1 links to each other with the D interface of cross valve 2 through pipeline; The S interface of cross valve 2 links to each other with first gas-liquid separator 3 through pipeline, and said first gas-liquid separator 3 links to each other with the air entry of first compressor 1 through pipeline; The C interface of said cross valve 2 links to each other with ambient side heat exchanger 4; The liquid mouth end of said ambient side heat exchanger 4 links to each other with the entrance point of first check valve 5 and the port of export of second check valve 6 respectively; The port of export of said first check valve 5 links to each other with first reservoir 9 through pipeline, and said first reservoir 9 also links to each other with the port of export of the 3rd check valve 7; Said first reservoir 9 links to each other with first entrance point of economizer 10 through pipeline; First port of export of said first economizer 10 connects the back through pipeline and forms main road pipeline 23 and bypass pipeline 24; Bypass cold-producing medium in the said bypass pipeline 24 gets into another heat exchanger channels of economizer 10 again after electric expansion valve 12 throttlings, through passing through the gas supplementing opening that second port of export 22 gets into first compressor 1 behind the corresponding liquid refrigerant of economizer 10 evaporative coolings; On the said entering main road pipeline 23 first throttle element 11 is set, said first throttle element 11 links to each other with the entrance point of second check valve 6 and the 4th check valve 8 respectively through pipeline.Be included in the economizer 10 interior liquid refrigerants that do not have the preceding liquid refrigerant of shunt and pass through bypass pipeline 24 entering economizers 10 another heat exchanger channels through the corresponding liquid refrigerant of economizer 10 evaporative coolings, evaporate the gas supplementing opening of back entering first compressor 1 through liquid refrigerant bypass pipeline 24 and electric expansion valve 12 entering economizers 10 another heat exchanger channels; Through preceding along separate routes liquid refrigerant being cooled off back output along separate routes.
The E interface of said cross valve 2 links to each other with conditioned water heat exchanger 15 and Intermediate Heat Exchanger 16 through pipeline; The liquid mouth end of said Intermediate Heat Exchanger 16 links to each other with the entrance point of the 3rd check valve 7 through the pipeline and first magnetic valve 13 that is positioned on the said pipeline, and the liquid mouth end of conditioned water heat exchanger 15 links to each other with the entrance point of the 3rd check valve 7 and the port of export of the 4th check valve 8 through second magnetic valve 14 on pipeline and the said pipeline;
The liquid mouth end of said Intermediate Heat Exchanger 16 also links to each other with second gas-liquid separator 21 through pipeline; Said second gas-liquid separator 21 links to each other with the air entry of second compressor 17 through pipeline; The exhaust outlet of second compressor 17 links to each other with domestic hot-water's heat exchanger 18 through pipeline; The liquid mouth end of said domestic hot-water's heat exchanger 18 links to each other with second reservoir 19 through pipeline, and said second reservoir 19 links to each other with Intermediate Heat Exchanger 16 through the pipeline and second restricting element 20 that is positioned on the said pipeline.
Said first compressor 1 increases the enthalpy fully-closed vortex compressor for tonifying Qi.Said second restricting element 20 is heating power expansion valve or capillary.Said ambient side heat exchanger 4 is air-fluorine heat exchangers, and said especially ambient side heat exchanger 4 is a finned heat exchanger.Said conditioned water heat exchanger 15 is plate type heat exchanger or case tube heat exchanger.Said domestic hot-water's heat exchanger 18 is pot type heat exchanger or double-tube heat exchanger.Said Intermediate Heat Exchanger 16 is plate type heat exchanger or double-tube heat exchanger.Said second compressor 17 is high temperature compressed machine.Said first throttle element 11 is heating power expansion valve or capillary.
Wherein, Said structure on function, can divide (a) and (b) two parts be: (a), said first compressor 1, cross valve 2, ambient side heat exchanger 4, conditioned water heat exchanger 15, first check valve 5, second check valve 6, the 3rd check valve 7, the 4th check valve 8, first reservoir 9, economizer 10, first throttle element 11, electric expansion valve 12, first gas-liquid separator 13, second magnetic valve 14 form accurate secondary and press steam compression cycle; Regulate the air compensation of first compressor 1 through electric expansion valve 12; Delivery temperature when guaranteeing 1 work of first compressor is in the scope of a safety; Reach and to produce air conditioning water, also can realize the whole year, the round-the-clock high-temperature-hot-water of producing up to 65 ℃;
(b), said first compressor 1, cross valve 2, ambient side heat exchanger 4, Intermediate Heat Exchanger 16, first check valve 5, second check valve 6, the 3rd check valve 7, the 4th check valve 8, first reservoir 9, economizer 10, first throttle element 11, electric expansion valve 12, first gas-liquid separator 3, first magnetic valve 13 form accurate secondary and press steam compression cycle, as the low-pressure stage of covering cascade refrigeration system; Second compressor 17, thermobiosis are formed the hiigh pressure stage of cascade refrigeration systems with water-to-water heat exchanger 18, second reservoir 19, second restricting element 20, Intermediate Heat Exchanger 16, first gas-liquid separator 3.
Above-mentioned (a) and (b) two parts constitute cascade refrigeration circulation jointly, realize annual, the round-the-clock thermobiosis water of producing up to 85 ℃.
As shown in Figure 1: through concrete refrigeration, the process that heats and produce hot water being explained the course of work and the operation principle of the utility model.Wherein:
During refrigeration:
First compressor 1 is compressed into high temperature and high pressure gas with cold-producing medium and discharges from exhaust outlet; The high temperature and high pressure gas of said discharge gets into ambient side heat exchanger 4 through the C interface of cross valve 2; Through obtaining highly pressurised liquid after 4 condensations of ambient side heat exchanger, said highly pressurised liquid gets in first reservoir 9 through first check valve, 5 backs.The highly pressurised liquid that gets in first reservoir 9 gets in the economizer 10 through pipeline; Through being divided into two the tunnel: the one tunnel behind the economizer 10 is main road; Another road is a bypass; First port of export that is economizer 10 passes through to form main road pipeline 23 and bypass pipeline 24 after the pipeline connection, gets into bypass pipeline 24 interior bypass cold-producing mediums get into economizer 10 after electric expansion valve 12 throttlings another heat exchanger channels, and in economizer 10, passes through second port of export, 22 entering, first compressor, 1 gas supplementing opening of economizer 10 behind the corresponding liquid refrigerant of evaporative cooling; Regulate the air compensation that gets into first compressor, 1 gas supplementing opening through electric expansion valve 12; Thereby can regulate the delivery temperature of first compressor 1, the delivery temperature of guaranteeing first compressor 1 reaches required job requirement in a safe range; Simultaneously; Get into main road cold-producing mediums in the main road pipeline 23 and after 11 throttlings of first throttle element, get into conditioned water heat exchanger 15 through the pipeline at the 4th check valve 8, second magnetic valve 14 and second magnetic valve, 14 places; Evaporation in conditioned water heat exchanger 15 is after get back to the air entry of first compressor 1, so circulation behind the cross valve 2, first vapour liquid separator 3.When in conditioned water heat exchanger 15, evaporating, owing to pressure reduces, boiling point reduces, the rapid explosive evaporation heat absorption of liquid, thus reach the purpose of lowering the temperature and freezing through conditioned water heat exchanger 15.
When heating:
First compressor 1 is compressed into high temperature and high pressure gas with cold-producing medium and discharges from exhaust outlet; The high temperature and high pressure gas of said discharge gets into air-conditioning side heat exchanger 15 through the E interface of cross valve 2; In air-conditioning side heat exchanger 15, get in the economizers 10 through second magnetic valve 14, the 3rd check valve 7, first reservoir 9 after the condensation; Be divided into two tunnel outputs after said economizer 10 effects: the one tunnel is main road, and another road is a bypass; First port of export that is economizer 10 forms main road pipeline 23 and bypass pipeline 24 respectively after piping connects.Bypass cold-producing medium in the said entering bypass pipeline 24 gets into another heat exchanger channels of economizer 10 once more after electric expansion valve 12 throttlings, behind the corresponding liquid refrigerant of economizer 10 evaporative coolings, get into the gas supplementing opening of first compressor 1; The main road cold-producing medium that gets in the main road pipeline 24 gets into ambient side heat exchanger 4 through second check valve 6 after 11 throttlings of first throttle element; Evaporation in ambient side heat exchanger 4 is after cross valve 2, first vapour liquid separator 3 are got back to first compressor, 1 air entry, so circulation.The high temperature and high pressure gas that first compressor 1 is discharged, air-conditioning side heat exchanger 15 is the highly pressurised liquid heat release with the condensation of gas of HTHP, thereby reaches the purpose that heats through air-conditioning side heat exchanger 15.
When heating water:
First compressor 1 is compressed into high temperature and high pressure gas with cold-producing medium and discharges from exhaust outlet, and the high temperature and high pressure gas of said discharge gets into Intermediate Heat Exchanger 16 through the E interface of cross valve 2.Simultaneously; Second compressor 17 is compressed into high temperature and high pressure gas with cold-producing medium and gets in domestic hot-water's heat exchanger 18 from exhaust outlet; In domestic hot-water's heat exchanger 18, get into after the condensation in second reservoir 19, said second reservoir 19 is through pipeline and be positioned at second restricting element, the 20 entering Intermediate Heat Exchangers 16 on the said pipeline.At this moment; The high temperature and high pressure gas that comprises 1 discharge of first compressor in the Intermediate Heat Exchanger 16 simultaneously reaches from second reservoir, the 19 interior low-temperature low-pressure refrigerants that get into; High temperature and high pressure gas and low-temperature low-pressure refrigerant in the Intermediate Heat Exchanger 16 carry out heat exchange; Said high temperature and high pressure gas passes through first magnetic valve 13 and place thereof after the condensation in Intermediate Heat Exchanger 16 pipeline, the 3rd check valve 7 get in first reservoir 9; Liquid in first reservoir 9 gets in the economizer 10, and after said Ji device 10 effects, is divided into two tunnel outputs: the one tunnel is main road, and another road is a bypass; First port of export that is economizer 10 forms main road pipeline 23 and bypass pipeline 24 respectively after piping connects.Bypass cold-producing medium in the said entering bypass pipeline 24 gets into another heat exchanger channels of economizer 10 once more after electric expansion valve 12 throttlings, behind the corresponding liquid refrigerant of economizer 10 evaporative coolings, get into the gas supplementing opening of first compressor 1; The main road cold-producing mediums that get in the main road pipeline 24 get into ambient side heat exchangers 4 through second check valve 6 after 11 throttlings of first throttle element, ambient side heat exchanger 4 in, evaporate after cross valve 2, first vapour liquid separator 3 are got back to first compressor, 1 air entry; The cryogenic liquids that get in second reservoir 19 evaporates the back and get in second gas-liquid separator 21 through pipeline Intermediate Heat Exchanger 16 in, carry out getting back to after the gas-liquid separation air entry of second compressor 17, the like this circulation through second gas-liquid separator 21.The high temperature and high pressure gas that said first compressor 1 and second compressor 17 are discharged is independent loops separately, through after the respective action, reaches the purpose of producing the domestic hot-water through domestic hot-water's heat exchanger 18, has constituted the cascade refrigeration circulation jointly.
The utility model can freeze, heat, heat efficiently operation under three kinds of operational modes of water; And the highest high-temperature-hot-water that provides up to the 85 ℃ high-temperature-hot-water up to 65 ℃ can be provided when heating or heat water the time; Provide high-temperature-hot-water to be mainly used in radiant heating when heating; Provide high-temperature-hot-water to be mainly used in when heating water the domestic water that meets state health standards is provided, meet consumers' demand.
Claims (10)
1. multifunctional high-temperature water outlet air conditioner and heat pump unit; It is characterized in that: comprise first compressor (1); The exhaust outlet of said first compressor (1) links to each other with the D interface of cross valve (2) through pipeline; The S interface of cross valve (2) links to each other with first gas-liquid separator (3) through pipeline, and said first gas-liquid separator (3) links to each other with the air entry of first compressor (1) through pipeline; The C interface of said cross valve (2) links to each other with ambient side heat exchanger (4); The liquid mouth end of said ambient side heat exchanger (4) links to each other with the entrance point of first check valve (5) and the port of export of second check valve (6) respectively; The port of export of said first check valve (5) links to each other with first reservoir (9) through pipeline, and said first reservoir (9) also links to each other with the port of export of the 3rd check valve (7); Said first reservoir (9) links to each other with first entrance point of economizer (10) through pipeline; First port of export of said first economizer (10) connects the back through pipeline and forms main road pipeline (23) and bypass pipeline (24); Bypass cold-producing medium in the said bypass pipeline (24) gets into another heat exchanger channels of economizer (10) again after electric expansion valve (12) throttling, through passing through the gas supplementing opening that second port of export (22) gets into first compressor (1) behind the corresponding liquid refrigerant of economizer (10) evaporative cooling; First throttle element (11) is set on the said entering main road pipeline (23), and said first throttle element (11) links to each other with the entrance point of second check valve (6) and the 4th check valve (8) respectively through pipeline;
The E interface of said cross valve (2) links to each other with conditioned water heat exchanger (15) and Intermediate Heat Exchanger (16) through pipeline; The liquid mouth end of said Intermediate Heat Exchanger (16) links to each other with the entrance point of the 3rd check valve (7) through pipeline and first magnetic valve (13) that is positioned on the said pipeline, and the liquid mouth end of conditioned water heat exchanger (15) links to each other with the entrance point of the 3rd check valve (7) and the port of export of the 4th check valve (8) through second magnetic valve (14) on pipeline and the said pipeline;
The liquid mouth end of said Intermediate Heat Exchanger (16) also links to each other with second gas-liquid separator (21) through pipeline; Said second gas-liquid separator (21) links to each other with the air entry of second compressor (17) through pipeline; The exhaust outlet of second compressor (17) links to each other with domestic hot-water's heat exchanger (18) through pipeline; The liquid mouth end of said domestic hot-water's heat exchanger (18) links to each other with second reservoir (19) through pipeline, and said second reservoir (19) links to each other with Intermediate Heat Exchanger (16) through pipeline and second restricting element (20) that is positioned on the said pipeline.
2. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 1 is characterized in that: said first compressor (1) increases the enthalpy fully-closed vortex compressor for tonifying Qi.
3. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 1 is characterized in that: said second restricting element (20) is heating power expansion valve or capillary.
4. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 1 is characterized in that: said ambient side heat exchanger (4) is air-fluorine heat exchanger.
5. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 4 is characterized in that: said ambient side heat exchanger (4) is a finned heat exchanger.
6. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 1 is characterized in that: said conditioned water heat exchanger (15) is plate type heat exchanger or case tube heat exchanger.
7. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 1 is characterized in that: said domestic hot-water's heat exchanger (18) is pot type heat exchanger or double-tube heat exchanger.
8. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 1 is characterized in that: said Intermediate Heat Exchanger (16) is plate type heat exchanger or double-tube heat exchanger.
9. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 1 is characterized in that: said second compressor (17) is high temperature compressed machine.
10. multifunctional high-temperature water outlet air conditioner and heat pump unit according to claim 1 is characterized in that: said first throttle element (11) is heating power expansion valve or capillary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205355350U CN202382477U (en) | 2011-12-19 | 2011-12-19 | Multifunctional air conditioning heat pump unit capable of discharging high temperature water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205355350U CN202382477U (en) | 2011-12-19 | 2011-12-19 | Multifunctional air conditioning heat pump unit capable of discharging high temperature water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202382477U true CN202382477U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205355350U Expired - Lifetime CN202382477U (en) | 2011-12-19 | 2011-12-19 | Multifunctional air conditioning heat pump unit capable of discharging high temperature water |
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| Country | Link |
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| CN (1) | CN202382477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435004A (en) * | 2011-12-19 | 2012-05-02 | 无锡同方人工环境有限公司 | Multifunctional high-temperature water outlet air conditioner heat pump unit |
| CN104374115A (en) * | 2013-08-14 | 2015-02-25 | 开利公司 | Heat pump system, heat pump unit and a multifunctional mode control method for heat pump system |
-
2011
- 2011-12-19 CN CN2011205355350U patent/CN202382477U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435004A (en) * | 2011-12-19 | 2012-05-02 | 无锡同方人工环境有限公司 | Multifunctional high-temperature water outlet air conditioner heat pump unit |
| CN104374115A (en) * | 2013-08-14 | 2015-02-25 | 开利公司 | Heat pump system, heat pump unit and a multifunctional mode control method for heat pump system |
| US10197306B2 (en) | 2013-08-14 | 2019-02-05 | Carrier Corporation | Heat pump system, heat pump unit using the same, and method for controlling multiple functional modes thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |