CN1008132B - Absorption chilled and hot water apparatus - Google Patents
Absorption chilled and hot water apparatusInfo
- Publication number
- CN1008132B CN1008132B CN85108423A CN85108423A CN1008132B CN 1008132 B CN1008132 B CN 1008132B CN 85108423 A CN85108423 A CN 85108423A CN 85108423 A CN85108423 A CN 85108423A CN 1008132 B CN1008132 B CN 1008132B
- Authority
- CN
- China
- Prior art keywords
- temperature
- hot water
- water
- cold water
- cold
- 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.)
- Expired
Links
Classifications
-
- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/006—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the sorption type system
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention relates to the suction type water cooling and heating machine to provide cold water for air cooling equipment and hot water for air heating equipment. The purpose of this invention is to provide a suction type water cooling and heating machine which can control the heat quantity of the generator correspondingly with the load when the flow rate of cold water or hot water changes with the variation of load (air to be cooled or heated), so that the invention can provide cold water and hot water at the required temperature range.
Description
The present invention is the improvement of relevant absorption chilled and hot water apparatus, when changing about flow more precisely at hot and cold water, and the adding heat and can carry out chilled and hot water apparatus (below be referred to as absorption chilled and hot water apparatus) with the corresponding control of load of generator.
Original this absorption chilled and hot water apparatus, be by respectively when hot water or cold water's pipeline is provided with the detector of surveying cold water gateway temperature and surveys the detector of hot water gateway temperature, be provided with the control device that adds heat of regulating generator with any control signal of these two detectors, carry out and the corresponding control that adds heat of loading, so far for generally adopting.(for example: open the clear 52-584 of communique number of Japan Patent).Above-mentioned original absorption chilled and hot water apparatus then has following shortcoming: it is under the flow of hot and cold water is certain situation, though can control preferably to adding heat, when but the flow of hot and cold water changes, the temperature of hot and cold water gateway also can change thereupon, and it can not correctly detect load, can not suitably control adding heat.
Be the scheme that Japan's patent disclosure communique is proposed for clear 58-29024 number as original technology that will address this problem: promptly at the cold water pipes and the hot water pipeline of absorption chilled and hot water apparatus for this reason, flow detector is set, signal according to detector, come the control signal of the Temperature Detector of cooling water outlet or warm water outlet is adjusted, just compensate, promptly come the heat that adds of generator is regulated with institute's control signal according to this.
Original signal according to flow detector compensates the absorption chilled and hot water apparatus of control signal of the Temperature Detector of cooling water outlet or hot water outlet, (being designated hereinafter simply as: former organic); Though in variation for load, there do not have in the hot and cold water outlet temperature to be fierce, when regulating the hot and cold water flow in the too big excursion, (for example: resemble one day from morning to night because temperature Change, load is changed, correspondingly change the flow of hot water therewith step by step), can also suitably control adding heat, but under situation in contrast to this (for example: when the room number that needs cold air or heater unit increases or reduces, when fierce the variation takes place in load, transport the running of pump of hot and cold water or the platform number that stops also to come and go to each room, when making) by rapid variation of former organic hot and cold water flow generation, because after the hot and cold water flow has just taken place sharply to change, former organic ability that has can not change at once, so temperature of hot and cold water outlet, on the surface, surpassed actual the scope that must compensate and changed.And this situation aspect the temperature difference of hot and cold water gateway, also is same.Thereby, former organic such problem that has; Promptly, may not suitably control adding heat at the initial stage of load change.Also have particularly increase and decrease change when the hot and cold water flow big and when regulating, because want horse back that the heat that adds more than the aequum is controlled and freezing of water and cold-producing medium taken place easily.The crystallization of absorption liquid, and phenomenon such as hot water is overheated.Therefore, protective device will carry out work, so that this confidential shortcoming that often shuts down is arranged.
Problem in view of above-mentioned these former organic existence, purpose of the present invention is intended to provide according to the variation of loading when the flow of cold water or hot water takes place sharply to change, can suitably control, to obtain the cold water in the required temperature range or the absorption chilled and hot water apparatus of hot water adding heat.
Solution to the problems described above as the present invention is; When the hot and cold water water channel between flowing through this absorption chilled and hot water apparatus and loading is provided with the load detection device of the heat-shift that detects and load respectively, the heater of generator is provided with the control device that adds heat of regulating generator with any signal of said apparatus, and, also be provided with in the heater of generator when cold water outlet temperature or hot water outlet temperature be outside the design temperature scope time, the signal that this temperature is detected according to Temperature Detector, come the work of stop control, with the heating quantitative change for maximum or be zero conversion equipment.
The present invention's absorption chilled and hot water apparatus, can be according to above-mentioned load detection device and the function of the actual change of detection load correctly because have, so, change along with the hot and cold water flow, the hot and cold water outlet temperature of absorption chilled and hot water apparatus (or hot and cold water gateway temperature is poor), even the lip-deep actual change that overloads and changing also can suitably be carried out and the corresponding control that adds heat of load.Also have, the present invention's absorption chilled and hot water apparatus, in its hot and cold water outlet temperature is outside the design temperature scope time, having can be with the detection signal of Temperature Detector to this temperature, preferentially the heat that adds of load detection device is controlled, the heat that adds of generator is controlled to be zero or maximum function, therefore, can prevent problems such as the crystallization of the freezing of cold water and cold-producing medium, absorption liquid and hot water is overheated, and can be when starting, carry out good running, temperature required hot and cold water can be supplied with the load aspect basically.
Accompanying drawing be the expression the present invention absorption chilled and hot water apparatus an embodiment concise and to the point formation key diagram in the figure, (1) is high-temperature generator, (2) be cryogenerator, (3) be condenser, (4) be evaporimeter, (5) are absorbers, and (6), (7) are respectively low temperature, high-temperature solution heat exchanger, (P
R) pump used for cold-producing medium, (P
A) pump used for absorption liquid, also having (8) is the water heater that is attached to high-temperature generator (1), these machines are by the circulation duct (9) of cold-producing medium, (10), flow down the return duct (12) of pipeline (11) cold-producing medium of cold-producing medium, (13), carry the pipeline (14) of absorption liquid, (15), the circulation duct of absorption liquid (16), (17), (18), (19) couple together, constitute and the former organic same cold-producing medium (water) and the circulation road of absorption liquid (lithium bromide water solution), in addition, high-temperature generator (1) is to be coupled together by the runner pipe (21) that the runner pipe (20) and the cold-producing medium of refrigerant vapour are drained with water heater (8), constitutes and former organic same cold-producing medium circulation road.
(22) be the combustion heating furnace of high-temperature generator (1), (23) be the runner pipe of burning gases, (24) be the heater of cryogenerator (2), (25) for being contained in the cooler inside the condenser (3), (26) for being contained in the water chiller inside the evaporimeter (4), (27) for being contained in the cooler inside the absorber (5), (28) are the heat exchangers that hot water is used.Also have, (B) be pulverizing jet (burner), (29), (30) are respectively the heat-exchange device of cold water load aspect and hot water load aspect
And the heat-exchange device of cold water load aspect (29) and water chiller (26) are by water pump (P
C) subsidiary pipeline (31) and pipe (32) couple together, and constitutes the circulation canal of cold water, and the heat exchanger (28) that heat-exchange device of hot water load aspect (30) and hot water are used, then by managing (33) and water pump (P
H) subsidiary pipeline (34) couples together, and constitutes the hot water circuit passage.In addition, with pipeline (35), (36), (37) get up cooler (27), (25) polyphone, constitute the circulation road of cooling water.Also have, (38) are the pipelines to pulverizing jet (B) transfer the fuel.In addition, water pump (P
C), (P
H) all can change displacement separately.
(Stce), (Stco) for being separately positioned on the Temperature Detector of pipeline (31), (32), (Sfc) is arranged on the flow detector, (CRS of pipeline (32)
1) be signal according to these detectors, calculate the 1st heat Calculation device of heat, the formation that these machines are total detect the load detection device of the heat of cold water.
(Sthe), (Stho) is for being separately positioned on the Temperature Detector of pipeline (33), (34), (Sfh) for being arranged on the flow detector of pipeline (33), (CRS
2) for going out the 2nd heat Calculation device of heat according to the calculated signals of these detectors, the formation that these machines are total detect the load detection device of the heat of hot water.
(V
F) for being arranged on the fuel control valve of pipeline (38).And (V
R), (V
A), (V
H) then being respectively the control valve of the cold-producing medium that is arranged on pipeline (10), (15), (21), the control valve of absorption liquid, cold-producing medium are drained the control valve of usefulness.(SW) be cooling-heating change-over switch, by this switch, can be according to the 1st, the 2nd heat Calculation device (CRS
1), (CRS
2) any signal aperture of coming the fuel metering control valve.Can also integrate simultaneously, according to the 1st heat Calculation device (CRS
1) signal come adjusting control valve (V
R), (V
A) aperture, perhaps according to the 2nd heat Calculation device (CRS
2) signal come adjusting control valve (V
H) aperture.
In addition, (S
C) for being arranged on the Temperature Detector of pipeline (32), (S
h) for being arranged on the Temperature Detector of pipeline (34).And, these Temperature Detectors (S
C), (S
h) temperature surveyed is outside the temperature range (for example: 5 ℃～9 ℃ of cold water temperatures, 50 ℃～60 ℃ of hot water temperatures) that sets the time, by conversion equipment (SP), stops to be subjected to the 1st, the 2 heat Calculation device (CRS
1), (CRS
2) commander's fuel control valve (V
F) control, and according to Temperature Detector (S
C), (S
h) signal, control fuel control valve (V
F) standard-sized sheet or full cut-off.
Below, lift an example work of the absorption chilled and hot water apparatus of above-mentioned formation is described (being designated hereinafter simply as this machine).
This machine is when starting, because its ability can't be brought into play fully for load, so the hot and cold water outlet temperature of this machine is beyond the scope of design temperature (cold water outlet temperature is for surpassing 9 ℃ temperature, and the hot water outlet temperature is the temperature less than 50 ℃).Therefore, according to Temperature Detector (S
C), (S
h) signal (air-cooling system is Temperature Detector (S
C) signal, heater unit is Temperature Detector (S
h) signal), with fuel control valve (V
F) standard-sized sheet.And, in the time of in the hot and cold water outlet temperature arrives the design temperature scope, add the conversion that heat is controlled by conversion equipment (SP), make fuel control valve (V
F) aperture, can be according to the 1st heat Calculation device (CRS
1) or the 2nd heat Calculation device (CRS
2) signal freely regulate.At this moment, the running release during starting, and change normal running over to.
Now, for example in running well, air-cooling system changes the air-cooling system load, and the water pump (P that correspondingly controls the cold water circulation canal therewith
C) displacement the time, by Temperature Detector (Stce), (Stco) and flow detector (Sfc), detect this machine cold water gateway temperature, in other words, in the cold water temperature of heat-exchange device (29) gateway and the flow of cold water; By the 1st heat Calculation device (CRS
1) calculate cold water heat-shift at heat-exchange device (29), the heat of the cold water of cool-air feed equipment, in other words, the required heat of air-cooling system is that air-cooling system load (cold water load) also just can detect.In addition, kindred circumstances, during the heater unit running, the circulation road of hot water also is same, according to the 2nd heat Calculation device (CRS that accepts Temperature Detector (Sthe), (Stho) and flow detector (Sfh) signal
2) detect the hot water load.And, according to the 1st heat Calculation device (CRS
1) and the 2nd heat Calculation device (CRS
2) signal, fuel metering control valve (V
F) aperture, to controlling, with cold water or the hot water in load aspect (heat-exchange device (29) or (30)) supply and the corresponding temperature required scope of load with the heat that adds of cold water load or the corresponding high-temperature generator of hot water load (1).
In addition, in this case, if this machine becomes excessive for the moment for the ability of loading, just in case, Temperature Detector (S
C) or (S
h) detecting temperature be outside the design temperature scope time (when the cold water outlet temperature of this machine is lower than 5 ℃, when perhaps the hot water outlet temperature of this machine is higher than 60 ℃), just be converted to the control that adds heat of high-temperature generator (1), according to Temperature Detector (S by conversion equipment (SP)
C) or (S
h) signal, with fuel control valve (V
F) full cut-off.Its result can freezing or the anti-possible trouble that terminates in such as overheated of hot water cold water.In addition, in order more effectively to guarantee cold water is freezed, the pump (P that refrigerant liquid is used
R) quit work.
Also has control action as mentioned above, have more than to be limited to when air-cooling system or heater unit individual operation and carry out, for example think among cold water or hot water load that main load is that the center is such when chilled and hot water apparatus is controlled, cold water and hot water are supplied with simultaneously in the running of being done of heat-exchange device (29), (30) and also can be carried out equally.
In addition, another example as the absorption chilled and hot water apparatus of using the present invention is; According to the 1st, the 2nd heat Calculation device (CRS
1), (CRS
2) total control signal of signal sum, also can fuel metering control valve (V
F) aperture.
As above as stating, this absorption chilled and hot water apparatus of the present invention has following effect; Along with the change of hot and cold water flow, even the variation of the hot and cold water outlet temperature of absorption-type cold-hot water dispenser more than the actual change that load has just taken place also can suitably be controlled and the corresponding heat that adds of loading. And, in the time of beyond the hot and cold water outlet temperature is the temperature range of setting, because can be controlled to be zero or maximum to the heat that adds of generator, so can freezing or the anti-possible trouble that terminates in of problem such as hot water is overheated cold water, and when this machine starting, can obtain good running, and can be according to negative Lotus is stably supplied with the hot water or cold water in required temperature range aspect the load.
Claims (1)
1, a kind of absorption chilled and hot water apparatus, it has with water is that cold-producing medium is generator, condenser, evaporimeter, absorber and the solution heat exchanger of absorption liquid with the lithium-bromide solution, couple together with pipeline, constitute the circulation canal of cold-producing medium and absorption liquid, simultaneously, be provided with water heater in above-mentioned generator, feature of the present invention is also to have:
Cold water temperature and cold water flow to the gateway of above-mentioned evaporimeter detect, and the cold water heat are carried out the cold water load checkout gear of computing;
Detect the hot water temperature and the hot water flow of the gateway of above-mentioned water heater, and the hot water heat is carried out hot water load's checkout gear of computing;
Come the control device that heat is regulated that adds with any the signal in above-mentioned two load detection devices to above-mentioned generator;
Also has conversion equipment, be used for outlet cold water temperature at above-mentioned water chiller when lower than range of set temperature or the outlet hot water temperature of water heater when higher than range of set temperature, according to the signal of the Temperature Detector that detects this temperature the heating of above-mentioned generator is stopped, simultaneously when above-mentioned outlet cold water temperature is higher than range of set temperature or above-mentioned outlet hot water temperature when lower than range of set temperature, make the heating quantitative change of above-mentioned generator become maximum.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP75516 | 1985-04-10 | ||
| JP75516/85 | 1985-04-10 | ||
| JP60075516A JPS61235654A (en) | 1985-04-10 | 1985-04-10 | Absorption water chiller and heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85108423A CN85108423A (en) | 1986-10-08 |
| CN1008132B true CN1008132B (en) | 1990-05-23 |
Family
ID=13578476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85108423A Expired CN1008132B (en) | 1985-04-10 | 1985-11-14 | Absorption chilled and hot water apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS61235654A (en) |
| CN (1) | CN1008132B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4827307B2 (en) * | 2001-03-26 | 2011-11-30 | 矢崎総業株式会社 | Air conditioner |
| JP2002357370A (en) * | 2001-05-31 | 2002-12-13 | Sanyo Electric Co Ltd | Control method of absorption refrigerating machine |
| JP4721783B2 (en) * | 2005-06-24 | 2011-07-13 | 三洋電機株式会社 | Operation control method of absorption chiller / heater |
| JP5449862B2 (en) * | 2009-05-28 | 2014-03-19 | 三洋電機株式会社 | Absorption refrigeration system |
| US8839635B2 (en) * | 2010-03-18 | 2014-09-23 | Thermax Limited | High efficiency double-effect chiller heater apparatus |
| KR102292401B1 (en) * | 2020-02-07 | 2021-08-20 | 엘지전자 주식회사 | Absorbed chiller and the control method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5251550U (en) * | 1975-10-09 | 1977-04-13 | ||
| JPS6034061B2 (en) * | 1979-07-20 | 1985-08-06 | オムロン株式会社 | electrode device |
| JPS5893754U (en) * | 1981-12-18 | 1983-06-25 | 三洋電機株式会社 | absorption refrigerator |
| JPS5952348A (en) * | 1982-09-17 | 1984-03-26 | Toshiba Corp | Microprogram controller |
-
1985
- 1985-04-10 JP JP60075516A patent/JPS61235654A/en active Granted
- 1985-11-14 CN CN85108423A patent/CN1008132B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0473062B2 (en) | 1992-11-19 |
| JPS61235654A (en) | 1986-10-20 |
| CN85108423A (en) | 1986-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |