CN1168966A - Structure-changeable and adjustable heat-exchanger - Google Patents
Structure-changeable and adjustable heat-exchanger Download PDFInfo
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- CN1168966A CN1168966A CN 96108952 CN96108952A CN1168966A CN 1168966 A CN1168966 A CN 1168966A CN 96108952 CN96108952 CN 96108952 CN 96108952 A CN96108952 A CN 96108952A CN 1168966 A CN1168966 A CN 1168966A
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Abstract
This heat exchanger is based on the fuzzy logic theory. The present heat exchanger is divided into several parts by a mother tube, several sub-tubes and core tube, by adjusting the electric regulating valve and electromagnetic valve on the control sub-tubes, the heat exchange surface area and medium of poor adjustibilily and difficulty in operating regulation of present heat exchanger.
Description
The present invention relates to used a kind of novel heat exchanger (heat exchanger) in heating, ventilation, the air conditioner refrigerating field, specifically, the present invention is the structural behaviour optimization that fuzzy control technology is used for heat exchanger, utilize fuzzy logic theory, it is poor to solve existing heat exchanger adjustability, problems such as difficulty are regulated in operational management, relate to the structural behaviour optimization and the control and regulation method of new type heat exchanger.
Existing surface-type heat exchanger in heating, ventilation, the air conditioner refrigerating field consists of the following components basically: fin, core pipe, the total inflow pipe of medium, the total effuser of medium and basic framework, and shown in accompanying drawing (1).Its operation principle is that medium enters the core pipe from total inflow pipe, in the core pipe with fin outside after the another kind of medium generation heat exchange, flow out by the total effuser of medium.The space that medium flows through in the heat exchanger core pipe is called the dielectric structure of heat exchanger.The characteristics of existing heat exchanger: first: the dielectric structure of existing heat exchanger is immutable, therefore, can't regulate the heat exchange area of existing heat exchanger; Second: when the heat exchange load variations, realize adjusting by the control valve on control and regulation medium total inflow pipe, to adapt to the variation of load to rate-of flow; The 3rd: the control valve of existing heat exchanger is difficult to realize accurate adjusting greatly because of specification; The 4th: along with the increase of control valve specification, its price, installation dimension exponentially multiplication length, initial cost and installation dimension are bigger.
The objective of the invention is when the heat exchange load changes, by changing the dielectric structure and the control valve opening of heat exchanger, change the heat exchange area and the rate-of flow of heat exchanger, poor to solve existing heat exchanger adjustability, problems such as difficulty are regulated in operational management, simultaneously, also be beneficial to the electromechanical integration that realizes the heat exchanger corollary equipment.
The present invention is divided into several portions to existing heat exchanger according to fuzzy logic theory on structure, the combination by different piece, achieve " greatly ", " in ", different fuzzy hierarchical organizations such as " little ", to adapt to the variation of heat exchange load; From controlling to adjust the control valve that replaces big specification with a plurality of small dimension control valves and on-off valve, realize change by adjusting or regulating switch valve and on-off valve to dielectric structure and rate-of flow, thus realize heat exchange area and rate-of flow " greatly ", " in ", fuzzy grade adjusting such as " little ".
Basic structure of the present invention: fin, core pipe, son pipe, female pipe, the total inflow pipe of medium, the total effuser of medium, magnetic valve (realizing the Switching Two bit motion), electric control valve (realizing regulating continuously action) and basic framework are shown in accompanying drawing (2).The form of fin can be around sheet, go here and there sheet, roll sheet, ripple matrix, scrak type sheet etc.; The assembly of female pipe, electric control valve (), magnetic valve (a plurality of) and sub-pipe can be connected on the total inflow pipe of medium, also can be connected on the total effuser of medium, on another termination core pipe; The present invention is when being used for the not high engineering of control accuracy, and electric control valve wherein can replace with magnetic valve.
Operation principle of the present invention: medium enters female pipe by total inflow pipe, all assigned to each sub-pipe after, flow to each core pipe, another kind of medium generation heat exchange core Guan Zhongyu fin outside is by total effuser outflow.When changing load variations, require rate-of flow and heat exchange area also to change thereupon, can and regulate magnetic valve and electric control valve is realized change to dielectric structure and rate-of flow by switch, thereby realize the control and regulation of heat exchanging device.
As from the foregoing, the existing heat exchanger of the present invention has bigger superiority: first: the present invention can realize the change of heat exchanging area by changing dielectric structure; Second: utilize electric control valve and magnetic valve can realize adjusting to rate-of flow; The 3rd: the present invention has adjustment curve preferably, sees accompanying drawing (3), and more easily realizes; The the 4th: replace control valve on the existing total inflow pipe of heat exchanger with a plurality of magnetic valves and electric control valve, embodied the thought of fuzzy logic control from equipment itself; The 5th: the present invention replaces big specification valve with the small dimension valve, has reduced the initial cost of equipment, has reduced the installation dimension of valve; The the 6th: the invention solves the problem that existing heat exchanger adjustability is poor, difficulty is regulated in operational management, be easy to realize the electromechanical integration of heat exchanger corollary equipment, help realizing the automatic management of heat exchanging equipment; The 7th: the present invention has wide application prospect because the size that can regulate heat exchange area and rate-of flow easily when this changes at the heat exchange load, has very high energy-saving effect in heating, ventilation, air conditioner refrigerating field.
Figure (1) is the basic structure of existing surface-type heat exchanger, and each mark meaning is among the figure:
The total effuser 5-of 1-fin 2-core pipe 3-medium total inflow pipe 4-medium framework
Figure (2) is the basic structure of structure-changeable and adjustable heat-exchanger, and the meaning of each mark is among the figure:
The total effuser 7-of 1-fin 2-core pipe 3-pipe 4-female pipe 5-medium total inflow pipe 6-medium magnetic valve 8-electric control valve 9-framework
Figure (3) is the adjustment curve of structure-changeable and adjustable heat-exchanger, and the meaning of each mark is as follows among the figure:
I, II, III, IV, V are five districts of adjustment curve, and a, b are the boundary point in each district.I, III and V district are the adjustment curve of electric control valve, and II, IV district are the adjustment curve of magnetic valve.
The adjustment process of accompanying drawing (3): during beginning, required rate-of flow is very little, at this moment regulates in the I district, promptly closes all magnetic valves, regulate electric control valve, when being adjusted to I district b point, close electric control valve, open a magnetic valve, and keep a period of time, in the II district, work with load; If load continues to increase, open electric control valve again and enter the III district, when electric control valve is adjusted to maximum during III district b point, open a magnetic valve again, close electric control valve simultaneously, so go on, the adjusting Qu Huanre that just can obtain accompanying drawing (3) loads when reducing, and regulates toward rightabout.This adjustment curve is to be that example says something with two magnetic valves and an electric control valve, also can be greater or less than 3 valves in the reality.
The present invention can adopt fuzzy control method to follow these steps to realize on the basis of existing surface-type heat exchanger technology.
1) whole heat exchanger is optimized design, comprise fin height, spacing of fins, fin form, core pipe caliber, core pipe arrangement mode, core tube pitch, son pipe caliber, son pipe quantity, the section ratio of female Guan Yuzi pipe, determining etc. of electric control valve and magnetic valve specification and data makes its heat exchange property structure than optimum.
2) female Guan Yuzi pipe adopts welding connecting mode between the sub-Guan Yuxin pipe, adopts thread connecting mode between valve and female pipe and the sub-pipe.
3) electric control valve and magnetic valve adopt the motorized motions control mode to be realized its control and regulation by single-chip microcomputer or microcomputer.
4) electric control valve and magnetic valve adopt fuzzy control method, and according to the fuzzy logic grade, the heat exchanging device carries out the adjusting of " large, medium and small ".
Claims (7)
- The present invention is the structural behaviour optimization that fuzzy control technology is used for heat exchanger, according to fuzzy logic theory, utilize female pipe, many roots pipe and a core pipe, adopt control and regulation pipe to go up the mode of each valve, existing heat exchanger is divided into several portions, by changing the heat exchange area and the rate-of flow of heat exchanger, problems such as existing heat exchanger adjustability is poor, operational management adjusting difficulty have been solved.It is characterized in that:1. structure-changeable and adjustable heat-exchanger is by fin, the core pipe, and the son pipe, female pipe, medium always flows into, effuser, and electric control valve, magnetic valve and framework are formed.
- 2. heat exchanger of the present invention is a surface-type heat exchanger, its fin form can be around sheet, go here and there sheet, roll sheet, ripple matrix and scrak type sheet etc.
- 3. the assembly of female pipe, electric control valve (), magnetic valve (a plurality of) and sub-pipe can be connected on the total inflow pipe of medium among the present invention, also can be connected on the total effuser of medium another termination heat exchanger core pipe.
- 4. the change that utilizes electric control valve on the sub-pipe and magnetic valve to realize heat exchanging device medium structure, thus realize the heat exchange area of heat exchanging device and the change of rate-of flow.
- 5. the present invention is when being used for the less demanding engineering of control accuracy, and electric control valve wherein also can replace with magnetic valve.
- 6. the present invention has better and the easy adjustment curve of realizing.
- 7. electric control valve of the present invention and magnetic valve all can be realized automatic control and adjustment to it by a single-chip microcomputer or microcomputer, are easy to realize the electromechanical integration of heat exchanger corollary equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96108952 CN1168966A (en) | 1996-06-19 | 1996-06-19 | Structure-changeable and adjustable heat-exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96108952 CN1168966A (en) | 1996-06-19 | 1996-06-19 | Structure-changeable and adjustable heat-exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1168966A true CN1168966A (en) | 1997-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96108952 Pending CN1168966A (en) | 1996-06-19 | 1996-06-19 | Structure-changeable and adjustable heat-exchanger |
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| CN (1) | CN1168966A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743266A (en) * | 2014-01-20 | 2014-04-23 | Tcl空调器(中山)有限公司 | Heat exchanger, method for controlling same, outdoor unit of air conditioner and indoor unit thereof |
| CN103776201A (en) * | 2014-02-13 | 2014-05-07 | 天津商业大学 | Condensing evaporator capable of regulating heat exchange area and tube bundle arrangement mode |
| CN108792306A (en) * | 2018-07-25 | 2018-11-13 | 中国神华能源股份有限公司 | Insulation box for instrument |
| CN109340786A (en) * | 2018-10-09 | 2019-02-15 | 杨书成 | Exhaust gas annealing device |
-
1996
- 1996-06-19 CN CN 96108952 patent/CN1168966A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743266A (en) * | 2014-01-20 | 2014-04-23 | Tcl空调器(中山)有限公司 | Heat exchanger, method for controlling same, outdoor unit of air conditioner and indoor unit thereof |
| CN103743266B (en) * | 2014-01-20 | 2016-08-17 | Tcl空调器(中山)有限公司 | Heat exchanger and control method, air-conditioner outdoor unit and indoor set |
| CN103776201A (en) * | 2014-02-13 | 2014-05-07 | 天津商业大学 | Condensing evaporator capable of regulating heat exchange area and tube bundle arrangement mode |
| CN108792306A (en) * | 2018-07-25 | 2018-11-13 | 中国神华能源股份有限公司 | Insulation box for instrument |
| CN109340786A (en) * | 2018-10-09 | 2019-02-15 | 杨书成 | Exhaust gas annealing device |
| CN109340786B (en) * | 2018-10-09 | 2019-11-19 | 荆门市拓达科技有限公司 | Exhaust gas annealing device |
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