EP2148162A2 - Wärmetauschervorrichtung mit Doppelfluss-Schaltung zum periodischen Vor- und Rückwärtspumpen - Google Patents

Wärmetauschervorrichtung mit Doppelfluss-Schaltung zum periodischen Vor- und Rückwärtspumpen Download PDF

Info

Publication number
EP2148162A2
EP2148162A2 EP09251862A EP09251862A EP2148162A2 EP 2148162 A2 EP2148162 A2 EP 2148162A2 EP 09251862 A EP09251862 A EP 09251862A EP 09251862 A EP09251862 A EP 09251862A EP 2148162 A2 EP2148162 A2 EP 2148162A2
Authority
EP
European Patent Office
Prior art keywords
fluid
pumping
directional
periodic
unidirectional
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.)
Withdrawn
Application number
EP09251862A
Other languages
English (en)
French (fr)
Other versions
EP2148162A3 (de
Inventor
Tai-Her Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US12/219,474 external-priority patent/US20100018683A1/en
Priority claimed from US12/292,415 external-priority patent/US8602087B2/en
Application filed by Individual filed Critical Individual
Publication of EP2148162A2 publication Critical patent/EP2148162A2/de
Publication of EP2148162A3 publication Critical patent/EP2148162A3/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/147—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with both heat and humidity transfer between supplied and exhausted air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/10—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by imparting a pulsating motion to the flow, e.g. by sonic vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/006—Preventing deposits of ice
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/08—Fluid driving means, e.g. pumps, fans

Definitions

  • the present invention improves the conventional heat exchange device having pumping fluids in different flowing directions to have the double flow circuit heat exchange operating function for controllable periodic positive and reverse directional pumping thereby timely improving the temperature difference distribution between the fluid and the heat exchanger, and when the heat exchanger inside the heat exchange device is further interposed or coated with the desiccant materials using by permeation or absorbability type, or the heat exchanger itself is the total heat exchanger having concurrent moisture absorbing function, then it is through the double flow-circuit periodic positive and reverse directional pumping fluid and the heat exchanger being interposed or coated with desiccant material, and/or the heat exchanger itself having concurrent moisture absorbing function to constituted the dehumidification effect of total heat exchange function as well as to reduce the imperfections of dust accumulation production or pollutions at fixed flowing directions.
  • the temperature difference distribution gradients between thermal exchange fluids and the internal heat exchangers are therefore unchanged; further beside of that distribution gradients of the temperature differences and humidity saturation degrees between fluids and internal heat exchanger are unchanged, the fluids in different flowing directions also form the differences of humidity saturation degrees at the two flow inlet/outlet ends and sides of the heat exchanger.
  • the present invention discloses that the conventional heat exchange device having pumping fluids in different flowing directions is made to have the double flow-circuit heat exchange device for periodic positive and reverse directional pumping thereby obtaining following one or more than one functions, including: 1) to periodically change the fluid pumping direction of the two fluid circuits and further to change the temperature difference distribution status at the two ends of the internal heat exchanger when passing through different directional fluids , thereby to increase the temperature difference conditions beneficial for heat absorbing and release of the internal heat exchanger, thereby promoting the heat exchange efficiency; 2) for the applications of the heat exchanger being interposed or coated with desiccant material using by permeation or absorbability type, or the heat exchanger itself having concurrent moisture absorbing function, or in the application of the total heat exchange device with fluid piping being series connected with the moisture absorbing device, the fluid flowing rate, or the flowing direction, or both being periodically manipulated to change is used furthermore to change the humidity saturation degrees at the two inlet and outlet ports and two sides of the heat exchanger for passing through fluids in different flowing directions inside the heat
  • Fig. 1 is a schematic view showing operating principles of the conventional bi-directional heat exchange device or total heat exchange device; as shown in Fig. 1 , the conventional bi-directional heat exchange device or total heat exchange device usually has two fluid pumping devices in different flowing directions and four fluid ports for two fluid circuits with temperature difference being pumped in different flowing directions to pass through the heat exchanger (100) inside the heat exchange device (1000) via the two sides thereof, wherein the two fluid circuits are respectively entered from the fluid ports at different sides and discharged out of the fluid ports at the other side; such as that for the example of the heat exchange device for indoor-outdoor air exchange in cold winter times, wherein the higher indoor temperature air flow is pumped through the heat exchange device (1000) via the fluid port (a) and is discharged to outdoors from the fluid port (b) via the fluid circuit at one side of the heat exchanger (100), and the lower temperature outdoor fresh air is pumped through the heat exchange device (1000) via the fluid port (c) at another side and discharge into indoors from the fluid port (d) via the fluid circuit
  • Fig. 2 is the first structural block schematic view of the embodiment showing the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention being applied in the heat exchanger;
  • the conventional bi-directional heat exchange device (1000) is further installed with the bi-directional fluid pumping device (123) capable of positive and reverse directional pumping constituted by two bi-directional fluid pumps (140), and installed with the periodic fluid direction-change operative control device (250) for operatively controlling the bi-directional fluid pumping device (123) so as to change the flowing directions of pumping fluid by periodic change that is operated with the two bi-directional fluid pumps of the bi-directional fluid pumping device (123) driven by power source (300), and constantly maintain the fluids in two different flowing directions to pass through the heat exchanger (100) inside the heat exchange device (1000), wherein:
  • the above pumping methods include 1) producing negative pressure to push the fluid; or 2) producing positive pressure to attract the fluid;
  • Said bi-directional fluid pumping device (123) and said heat exchange device (1000) are in an integral structure or are in separated structures.
  • the timing of periodic fluid direction-change could be 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing at least one temperature detecting device (11) at position capable of directly or indirectly detecting the temperature variation of pumping fluid, wherein the detected signal is used as the reference to determine the periodic switching timing of fluid flowing direction change operation.
  • Fig. 3 is the second structural block schematic view of the embodiment showing the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention being applied in the heat exchanger;.
  • the fluid port (a), fluid port (b), fluid port (c), and fluid port (d) of bi-directional fluid in the heat exchange device (1000) are respectively installed with bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure to constitute the bi-directional fluid pumping device (123), wherein the bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure in the bi-directional fluid pumping device (123) driven by electric power source (300) to periodically change the flowing direction of the pumping fluid and constantly maintain the two fluid circuits which through the heat exchanger (100) flowing in different directions; wherein:
  • the heat exchange device (1000) and the bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure could be integrated in one or separately installed to constitute the function of bi-directional fluid pumping device (123), wherein the four bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure are separately installed at fluid port (a), fluid port (b), fluid port (c) and fluid port (d) for generating the pumping to change fluids in different flowing directions, and wherein the aforementioned bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure are controlled by the periodic fluid direction-change operative control device (250).
  • the fluid pumps (111) and (113) installed at fluid port (a) and fluid port (c) form one set, which could be driven by individually installed electric motors, or jointly driven by single electric motor, while the fluid pumps (112) and (114) form another set, which could be driven by individually installed electric motors, or jointly driven by single electric motor.
  • periodic fluid direction-change operative control device (250) Under the control of periodic fluid direction-change operative control device (250) to provide one or multiple following operating functions, including: 1) partial of the bi-directional fluid pumps alternately pump in negative pressure periodically to allow the two fluid circuits in different flowing directions periodically changing flowing directions; or 2) partial of the bi-directional fluid pumps alternately pump in positive pressure periodically to allow the two fluid circuits in different flowing directions periodically changing flowing directions; 3) partial or all of the bi-directional fluid pumps being formed auxiliary pumping by the positive pressure pumping and negative pressure pumping generated by different fluid pumps in the same fluid circuits, thereby allowing two fluid circuits in different flowing directions periodically changing flowing direction; in aforementioned two functions 1), 2), 3), the flowing direction of the fluid inside the two channels at both sides of the heat exchanger (100) in the heat exchange device (1000) maintains opposite flowing directions;
  • the timing of periodic fluid direction-change could be 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing at least one temperature detecting device (11) at position capable of directly or indirectly detecting the temperature variation of pumping fluid, wherein the detected signal is used as the reference to determine the periodic switching timing of fluid flowing direction change operation.
  • Fig. 4 is the third structural block schematic view of the embodiment showing the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention being applied in the heat exchanger;
  • the fluid port (a), fluid port (b), fluid port (c), fluid port (d) of the two flow channels of the two bi-directional fluid of heat exchanging device (1000) of the present invention to separately install the unidirectional fluid pump (120a), (120b), (120c), (120d) for unidirectional pumping to constitute the bi-directional fluid pumping device (123), wherein the electrical power from the electrical power source (300) through the periodic fluid direction-change operative control device (250) to control the unidirectional pumps (120a), (120b), (120c), (120d) of the bi-directional fluid pumping device (123) to periodical change the flowing direction of pumping fluid, and to constantly maintain the fluid flowing directions of both circuits passing through the heat exchanger (100) in different direction, wherein:
  • the heat exchanging device (1000) and unidirectional fluid pumps (120a), (120b), (120c), (120d) could be integrated in one or separately installed to constitute the function of bi-directional fluid pumping device (123), wherein the four unidirectional fluid pumps (120a), (120b), (120c), (120d) are separately installed at fluid port (a), fluid port (b), fluid port (c) and fluid port (d) for fluid pumping, and wherein the aforementioned unidirectional fluid pumps (120a), (120b), (120c), (120d) are controlled by the periodic fluid direction-change operative control device (250).
  • the unidirectional fluid pumps (120a) and (120c) installed at fluid port (a) and fluid port (c) form one set, which could be driven by individually installed electric motors, or jointly driven by single electric motor, while the unidirectional fluid pumps (120b) and (120c) form another set, which could be driven by individually installed electric motors, or jointly driven by single electric motor.
  • periodic fluid direction-change operative control device (250) Under the control of periodic fluid direction-change operative control device (250) to compose the structure and operating methods for providing one or multiple following functions, including: 1) The arrangement of unidirectional pumps for negative pressure pumping on fluids, wherein the unidirectional fluid pump (120a) and unidirectional fluid pump (120c) form one set, and the unidirectional fluid pump (120b) and unidirectional fluid pump (120d) form the other set, and that the two sets provide periodic negative pressure pumping alternatively to make the fluids with different flowing direction in two channels changing their flowing direction periodically; or 2) The arrangement of unidirectional pumps for positive pressure pumping on fluids, wherein the unidirectional fluid pump (120a) and unidirectional fluid pump (120c) form one set, and the unidirectional fluid pump (120b) and unidirectional fluid pump (120d) form the other set, and that the two sets provide periodic positive pressure pumping alternatively to make the fluids with different flowing direction in two channels changing their flowing direction periodically;
  • the timing of periodic fluid direction-change could be 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing at least one temperature detecting device (11) at position capable of directly or indirectly detecting the temperature variation of pumping fluid, wherein the detected signal is used as the reference to determine the periodic switching timing of fluid flowing direction change operation.
  • Fig. 5 is the first structural block schematic view of the embodiment showing the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention being applied in the total heat exchanger;
  • the conventional bi-directional heat exchange device (1000) is further installed with the bi-directional fluid pumping device (123) capable of positive and reverse directional pumping constituted by two bi-directional fluid pumps (140), and installed with the periodic fluid direction-change operative control device (250) for operatively controlling the bi-directional fluid pumping device (123) so as to allow the two different direction fluids periodically changing the flowing directions that is operated with the two bi-directional fluid pumps (140) of the bi-directional fluid pumping device (123) driven by power source (300), and constantly maintain the tow fluid circuits in two different flowing directions to pass through the total heat exchanger (200) inside the heat exchange device (1000), wherein:
  • Aforementioned temperature detecting device (11) and humidity detecting device (21) can be in an integral structure or in separated structures;
  • the above pumping methods include 1) producing negative pressure to push the fluid; or 2) producing positive pressure to attract the fluid;
  • Said bi-directional fluid pumping device (123) and said heat exchange device (1000) are in an integral structure or are in separated structures;
  • the timing of periodic direction change of flowing fluid could be: 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing both or either one of the at least one temperature detecting device (11) and the at least one humidity detecting device (21) at positions capable of directly or indirectly detecting the temperature variation and humidity variation of pumping fluid, wherein the detected signals are used as the reference to determine the periodic switch timing of fluid flowing direction change operation.
  • Fig. 6 is the second structural block schematic view of the embodiment showing the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention being applied in the full heat exchanger;
  • the fluid port (a), fluid port (b), fluid port (c), and fluid port (d) of bi-directional fluid in the heat exchange device (1000) are respectively installed with bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure to constitute the bi-directional fluid pumping device (123), wherein the bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure in the bi-directional fluid pumping device (123) driven by electric power source (300) is through the periodic fluid direction-change operative control device (250) to periodically change the flowing direction of the pumping fluid and constantly maintain the two fluid circuits flowing in different directions; wherein:
  • the heat exchange device (1000) and the bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure could be integrated in one or separately installed to constitute the function of bi-directional fluid pumping device (123), wherein the four bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure are separately installed at fluid port (a), fluid port (b), fluid port (c) and fluid port (d) for generating the pumping to change fluids in different flowing directions, and wherein the aforementioned bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure are controlled by the periodic fluid direction-change operative control device (250), and the fluid pumps (111) and (113) installed at fluid port (a) and fluid port (c) form one set, which could be driven by individually installed electric motors, or jointly driven by single electric motor, while the fluid pumps (112) and (114) form another set, which could be driven by individually installed electric motors, or jointly driven by single electric motor
  • Aforementioned temperature detecting device (11) and humidity detecting device (21) can be in an integral structure or in separated structures;
  • Fig. 7 is the third structural block schematic view of the embodiment showing the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention being applied in the full heat exchanger;
  • the fluid port (a), fluid port (b), fluid port (c), fluid port (d) of the two flow channels of the two bi-directional fluid of heat exchanging device (1000) of the present invention to separately install the unidirectional fluid pump (120a), (120b), (120c), (120d) for unidirectional pumping to constitute the bi-directional fluid pumping device (123), wherein the electrical power from the electrical power source (300) through the periodic fluid direction-change operative control device (250) to control the unidirectional pumps (120a), (120b), (120c), (120d) of the bi-directional fluid pumping device (123) to periodical change the flowing direction of pumping fluid, and to constantly maintain the fluid flowing directions of both circuits in different direction; wherein
  • the heat exchanging device (1000) and unidirectional fluid pumps (120a), (120b), (120c), (120d) could be integrated in one or separately installed to constitute the function of bi-directional fluid pumping device (123), wherein the four unidirectional fluid pumps (120a), (120b), (120c), (120d) are separately installed at fluid port (a), fluid port (b), fluid port (c) and fluid port (d) for fluid pumping, and wherein the aforementioned unidirectional fluid pumps (120a), (120b), (120c), (120d) are controlled by the periodic fluid direction-change operative control device (250).
  • the unidirectional fluid pumps (120a) and (120c) installed at fluid port (a) and fluid port (c) form one set, which could be driven by individually installed electric motors, or jointly driven by single electric motor, while the unidirectional fluid pumps (120b) and (120c) form another set, which could be driven by individually installed electric motors, or jointly driven by single electric motor.
  • periodic fluid direction-change operative control device (250) to compose the structure and operating methods for providing one or multiple following functions, including:
  • Aforementioned temperature detecting device (11) and humidity detecting device (21) can be in an integral structure or in separated structures;
  • the timing of periodic direction change of flowing fluid could be: 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing both or either one of the at least one temperature detecting device (11) and the at least one humidity detecting device (21) at positions capable of directly or indirectly detecting the temperature variation and humidity variation of pumping fluid, wherein the detected signals are used as the reference to determine the periodic switch timing of fluid flowing direction change operation;
  • the heat exchanger or total heat exchanger of the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention is embodied to have the following structural configurations: 1) it is of the tubular structure in linear or other geometric shapes; or 2) it is constituted by the multi-layer structure having fluid path for passing gaseous or liquid state fluids; or 3) it is constituted by one or more than one flow circuit in series connection, parallel connection or series and parallel connection.
  • Fig. 8 is the schematic view showing operating principles of the conventional heat exchange device having pumping fluids in different flowing directions during simultaneous operation.
  • Fig. 9 is the schematic view showing the operation principles of the present invention.
  • Fig. 10 is the temperature distribution diagram of the heat exchange layer of the conventional heat exchange device having pumping fluids in different flowing directions during simultaneous operation.
  • Fig. 11 is the temperature distribution variation diagram of the heat exchange layer of the present invention during simultaneous operation.
  • Fig. 12 and Fig. 13 illustrate the comparison of conventional heat exchange device and the heat exchanger of the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention applied in total heat exchange device.
  • Fig. 12 is the humidity distribution diagram of the total heat exchanger layer of the conventional heat exchange device having pumping fluids in different flowing directions during simultaneous operation being operated as the total heat exchange device having dehumidification function.
  • Fig. 13 is the humidity distribution diagram of the operating total heat exchange layer of the total heat exchange device having dehumidification function of the present invention.
  • the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention further can be installed with all or at least one or more than one detecting device of temperature detecting device (11), humidity detecting device (21), and gaseous or liquid fluid composition detecting device (31) on the heat exchange device (1000), heat exchanger (100) or total heat exchanger (200) at positions near both or one of the fluid port (a) and fluid port (b), or at positions near both or one of the fluid port (c) and fluid port (d), or at other positions capable of detecting exchanging fluids, wherein the number of aforementioned detecting devices can be one or more than one to provide the detected signal as the reference for the operation of one or more than one functions as follows, including: 1) as the reference for operatively controlling the periodic switch timing of fluid flowing direction pumped by the bi-directional fluid pumping devices (123); or 2) as the reference for operatively controlling the bi-directional fluid pumping devices (123) to control the speed or the flow rate of the pumping fluid; or 3) as the reference for
  • all detecting devices can be in an integral structure, or some detecting devices are in an integral structure, or each detecting device is in separated structure.
  • FIG. 14 is the structural principal schematic view of Fig. 2 being additionally installed with the gaseous or liquid fluid composition detecting device;
  • the conventional bi-directional heat exchange device (1000) is further installed with the bi-directional fluid pumping device (123) capable of positive and reverse directional pumping constituted by two bi-directional fluid pumps (140), and installed with the periodic fluid direction-change operative control device (250) for operatively controlling the bi-directional fluid pumping device (123) so as to change the flowing directions of pumping fluid by periodic change that is operated with the two bi-directional fluid pumps of the bi-directional fluid pumping device (123) driven by power source (300), and constantly maintain the fluids in two different flowing directions to pass through the heat exchanger (100) inside the heat exchange device (1000), wherein:
  • Aforementioned temperature detecting device (11) and the gaseous or liquid fluid composition detecting device (31) can be in an integral structure or in separated structures;
  • the above pumping methods include 1) producing negative pressure to push the fluid; or 2) producing positive pressure to attract the fluid;
  • Said bi-directional fluid pumping device (123) and said heat exchange device (1000) are in an integral structure or are in separated structures.
  • the timing of periodic fluid direction-change could be 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing both or either one of the at least one temperature detecting device (11) and the at least one gaseous or liquid fluid composition detecting device (31) at positions capable of directly or indirectly detecting the temperature variation, or gaseous and liquid fluid composition variation of pumping fluid, wherein the detected signals are used as the reference to determine the periodic switching timing of fluid flowing direction change operation.
  • Fig. 15 is the structural principal schematic view of Fig. 3 being additionally installed with the gaseous or liquid fluid composition detecting device;
  • the fluid port (a), fluid port (b), fluid port (c), and fluid port (d) of bi-directional fluid in the heat exchange device (1000) are respectively installed with bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure to constitute the bi-directional fluid pumping device (123), wherein the bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure in the bi-directional fluid pumping device (123) driven by electric power source (300) to periodically change the flowing direction of the pumping fluid and constantly maintain the two fluid circuits which through the heat exchanger (100) flowing in different directions; wherein:
  • the heat exchange device (1000) and the bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure could be integrated in one or separately installed to constitute the function of bi-directional fluid pumping device (123), wherein the four bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure are separately installed at fluid port (a), fluid port (b), fluid port (c) and fluid port (d) for generating the pumping to change fluids in different flowing directions, and wherein the aforementioned bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure are controlled by the periodic fluid direction-change operative control device (250).
  • the fluid pumps (111) and (113) installed at fluid port (a) and fluid port (c) form one set, which could be driven by individually installed electric motors, or jointly driven by single electric motor, while the fluid pumps (112) and (114) form another set, which could be driven by individually installed electric motors, or jointly driven by single electric motor.
  • periodic fluid direction-change operative control device (250) Under the control of periodic fluid direction-change operative control device (250) to provide one or multiple following operating functions, including: 1) partial of the bi-directional fluid pumps alternately pump in negative pressure periodically to allow the two fluid circuits in different flowing directions periodically changing flowing directions; or 2) partial of the bi-directional fluid pumps alternately pump in positive pressure periodically to allow the two fluid circuits in different flowing directions periodically changing flowing directions; 3) partial or all of the bi-directional fluid pumps being formed auxiliary pumping by the positive pressure pumping and negative pressure pumping generated by different fluid pumps in the same fluid circuits, thereby allowing two fluid circuits in different flowing directions periodically changing flowing direction; in aforementioned two functions 1), 2), 3), the flowing direction of the fluid inside the two channels at both sides of the heat exchanger (100) in the heat exchange device (1000) maintains opposite flowing directions;
  • Aforementioned temperature detecting device (11) and gaseous or liquid fluid composition detecting device (31) can be in an integral structure or in separated structures;
  • the timing of periodic fluid direction-change could be 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing both or either one of the at least one temperature detecting device (11) and the at least one gaseous or liquid fluid composition detecting device (31) at positions capable of directly or indirectly detecting the temperature variation, or gaseous or liquid fluid composition variation of pumping fluid, wherein the detected signals are used as the reference to determine the periodic switch timing of fluid flowing direction change operation.
  • FIG. 16 is the structural principal schematic view of Fig. 4 being additionally installed with the gaseous or liquid fluid composition detecting device;
  • the fluid port (a), fluid port (b), fluid port (c), fluid port (d) of the two flow channels of the two bi-directional fluid of heat exchanging device (1000) of the present invention to separately install the unidirectional fluid pump (120a), (120b), (120c), (120d) for unidirectional pumping to constitute the bi-directional fluid pumping device (123), wherein the electrical power from the electrical power source (300) through the periodic fluid direction-change operative control device (250) to control the unidirectional pumps (120a), (120b), (120c), (120d) of the bi-directional fluid pumping device (123) to periodical change the flowing direction of pumping fluid, and to constantly maintain the fluid flowing directions of both circuits passing through the heat exchanger (100) in different direction, wherein:
  • the heat exchanging device (1000) and unidirectional fluid pumps (120a), (120b), (120c), (120d) could be integrated in one or separately installed to constitute the function of bi-directional fluid pumping device (123), wherein the four unidirectional fluid pumps (120a), (120b), (120c), (120d) are separately installed at fluid port (a), fluid port (b), fluid port (c) and fluid port (d) for fluid pumping, and wherein the aforementioned unidirectional fluid pumps (120a), (120b), (120c), (120d) are controlled by the periodic fluid direction-change operative control device (250).
  • the unidirectional fluid pumps (120a) and (120c) installed at fluid port (a) and fluid port (c) form one set, which could be driven by individually installed electric motors, or jointly driven by single electric motor, while the unidirectional fluid pumps (120b) and (120c) form another set, which could be driven by individually installed electric motors, or jointly driven by single electric motor.
  • periodic fluid direction-change operative control device (250) Under the control of periodic fluid direction-change operative control device (250) to compose the structure and operating methods for providing one or multiple following functions, including: 1) The arrangement of unidirectional pumps for negative pressure pumping on fluids, wherein the unidirectional fluid pump (120a) and unidirectional fluid pump (120c) form one set, and the unidirectional fluid pump (120b) and unidirectional fluid pump (120d) form the other set, and that the two sets provide periodic negative pressure pumping alternatively to make the fluids with different flowing direction in two channels changing their flowing direction periodically; or 2) The arrangement of unidirectional pumps for positive pressure pumping on fluids, wherein the unidirectional fluid pump (120a) and unidirectional fluid pump (120c) form one set, and the unidirectional fluid pump (120b) and unidirectional fluid pump (120d) form the other set, and that the two sets provide periodic positive pressure pumping alternatively to make the fluids with different flowing direction in two channels changing their flowing direction periodically;
  • Aforementioned temperature detecting device (11) and gaseous or liquid fluid composition detecting device (31) can be in an integral structure or in separated structures;
  • the timing of periodic fluid direction-change could be 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing both or either one of the at least one temperature detecting device (11) and the at least one gaseous or liquid fluid composition detecting device (31) at positions capable of directly or indirectly detecting the temperature variation, or gaseous or liquid fluid composition variation of pumping fluid, wherein the detected signals are used as the reference to determine the periodic switch timing of fluid flowing direction change operation.
  • FIG. 17 is the structural principal schematic view of Fig. 5 being additionally installed with the gaseous or liquid fluid composition detecting device;
  • the conventional bi-directional heat exchange device (1000) is further installed with the bi-directional fluid pumping device (123) capable of positive and reverse directional pumping constituted by two bi-directional fluid pumps (140), and installed with the periodic fluid direction-change operative control device (250) for operatively controlling the bi-directional fluid pumping device (123) so as to allow the two different direction fluids periodically changing the flowing directions that is operated with the two bi-directional fluid pumps (140) of the bi-directional fluid pumping device (123) driven by power source (300), and constantly maintain the tow fluid circuits in two different flowing directions to pass through the total heat exchanger (200) inside the heat exchange device (1000), wherein:
  • all detecting devices can be in an integral structure, or some detecting devices are in an integral structure, or each detecting device is in separated structure;
  • the above pumping methods include 1) producing negative pressure to push the fluid; or 2) producing positive pressure to attract the fluid;
  • Said bi-directional fluid pumping device (123) and said heat exchange device (1000) are in an integral structure or are in separated structures;
  • the timing of periodic direction change of flowing fluid could be: 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing all or at least one of the at least one temperature detecting device (11), the at least one humidity detecting device (21) and the at least one gaseous or liquid fluid composition detecting device (31) at positions capable of directly or indirectly detecting the temperature variation, humidity variation, or gaseous or liquid fluid composition variation of pumping fluid, wherein the detected signals are used as the reference to determine the periodic switch timing of fluid flowing direction change operation.
  • Fig. 18 is the structural principal schematic view of Fig. 6 being additionally installed with the gaseous or liquid fluid composition detecting device;
  • the fluid port (a), fluid port (b), fluid port (c), and fluid port (d) of bi-directional fluid in the heat exchange device (1000) are respectively installed with bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure to constitute the bi-directional fluid pumping device (123), wherein the bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure in the bi-directional fluid pumping device (123) driven by electric power source (300) is through the periodic fluid direction-change operative control device (250) to periodically change the flowing direction of the pumping fluid and constantly maintain the two fluid circuits flowing in different directions; wherein:
  • the heat exchange device (1000) and the bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure could be integrated in one or separately installed to constitute the function of bi-directional fluid pumping device (123), wherein the four bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure are separately installed at fluid port (a), fluid port (b), fluid port (c) and fluid port (d) for generating the pumping to change fluids in different flowing directions, and wherein the aforementioned bi-directional fluid pumps (111), (112), (113), (114) capable of producing negative pressure or positive pressure are controlled by the periodic fluid direction-change operative control device (250), and the fluid pumps (111) and (113) installed at fluid port (a) and fluid port (c) form one set, which could be driven by individually installed electric motors, or jointly driven by single electric motor, while the fluid pumps (112) and (114) form another set, which could be driven by individually installed electric motors, or jointly driven by single electric motor
  • all detecting devices can be in an integral structure, or some detecting devices are in an integral structure, or each detecting device is in separated structure;
  • the timing of periodic direction change of flowing fluid could be: 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing all or at least one of the at least one temperature detecting device (11), the at least one humidity detecting device (21) and the at least one gaseous or liquid fluid composition detecting device (3 1) at positions capable of directly or indirectly detecting the temperature variation, humidity variation, or gaseous or liquid fluid composition variation of pumping fluid, wherein the detected signals are used as the reference to determine the periodic switch timing of fluid flowing direction change operation.
  • Fig. 19 is the structural principal schematic view of Fig. 7 being additionally installed with the gaseous or liquid fluid composition detecting device;
  • the fluid port (a), fluid port (b), fluid port (c), fluid port (d) of the two flow channels of the two bi-directional fluid of heat exchanging device (1000) of the present invention to separately install the unidirectional fluid pump (120a), (120b), (120c), (120d) for unidirectional pumping to constitute the bi-directional fluid pumping device (123), wherein the electrical power from the electrical power source (300) through the periodic fluid direction-change operative control device (250) to control the unidirectional pumps (120a), (120b), (120c), (120d) of the bi-directional fluid pumping device (123) to periodical change the flowing direction of pumping fluid, and to constantly maintain the fluid flowing directions of both circuits in different direction; wherein
  • the heat exchanging device (1000) and unidirectional fluid pumps (120a), (120b), (120c), (120d) could be integrated in one or separately installed to constitute the function of bi-directional fluid pumping device (123), wherein the four unidirectional fluid pumps (120a), (120b), (120c), (120d) are separately installed at fluid port (a), fluid port (b), fluid port (c) and fluid port (d) for fluid pumping, and wherein the aforementioned unidirectional fluid pumps (120a), (120b), (120c), (120d) are controlled by the periodic fluid direction-change operative control device (250).
  • the unidirectional fluid pumps (120a) and (120c) installed at fluid port (a) and fluid port (c) form one set, which could be driven by individually installed electric motors, or jointly driven by single electric motor, while the unidirectional fluid pumps (120b) and (120c) form another set, which could be driven by individually installed electric motors, or jointly driven by single electric motor.
  • periodic fluid direction-change operative control device (250) to compose the structure and operating methods for providing one or multiple following functions, including:
  • all detecting devices can be in an integral structure, or some detecting devices are in an integral structure, or each detecting device is in separated structure;
  • the timing of periodic direction change of flowing fluid could be: 1) open-loop operation with pre-set periodic fluid direction changing timing; or 2) randomly manual switching; or 3) installing all or at least one of the at least one temperature detecting device (11), the at least one humidity detecting device (21) and the at least one gaseous or liquid fluid composition detecting device (31) at positions capable of directly or indirectly detecting the temperature variation, humidity variation, or gaseous or liquid fluid composition variation of pumping fluid, wherein the detected signals are used as the reference to determine the periodic switch timing of fluid flowing direction change operation.
  • the selectable embodiments of the bi-directional fluid pumping devices (123) of the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention include being constituted by following one or more than one structures, including:
  • Aforementioned fluid pumping devices are provided for pumping gaseous or liquid fluids, wherein besides the fluid pumps can be driven by standalone electric motor or at least two fluid pumps can jointly be driven by a single electric motor, the fluid pumps can be driven by engine power, or the mechanical or electric power generated or converted from other wind energy, thermal energy, temperature difference energy or solar energy.
  • Said periodic fluid direction-change operative control device (250) of the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention is equipped with electric motor, or controllable engine power, or mechanical or electric power generated or converted from other wind energy, thermal energy, temperature-difference energy, or solar energy for controlling various fluid pumps for driven, or controlling the operation timing of the fluid pumps or fluid valves, thereby changing the direction of the two circuits passing through the heat exchanger (100) and further to operatively control partial or all regulations of rotational speed, flow rate, fluid pressure of various fluid pumps thereof.
  • the operational modes include one or more than one types as follows, including:
  • the double flow-circuit heat exchange device for periodic positive and reverse directional pumping of the present invention when installed with the function of operatively controlling the flow rate, the flow rate range of the controlled fluid is between stop delivery to the maximum delivering volume, and the flow rate of fluid is manipulated in stepped or stepless according to the operational requirements, wherein it is further by following one or more than one devices to change the flow rate of fluid, including:
  • the flow rate ratio of the two flow circuits passing through the heat exchange device (1000) during the operation can be one or more than one ratio modes as follows, including:
  • the pumping periodic mode includes one or more than one type as follows, including:
  • one or more than one operational methods as follows can be further added to the operational modes of the flow direction change control:

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Central Air Conditioning (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
EP09251862A 2008-07-23 2009-07-23 Wärmetauschervorrichtung mit Doppelfluss-Schaltung zum periodischen Vor- und Rückwärtspumpen Withdrawn EP2148162A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/219,474 US20100018683A1 (en) 2008-07-23 2008-07-23 Double flow-circuit heat exchange device for periodic positive and reverse directional pumping
US12/292,415 US8602087B2 (en) 2008-11-19 2008-11-19 Double flow-circuit heat exchange device for periodic positive and reverse directional pumping

Publications (2)

Publication Number Publication Date
EP2148162A2 true EP2148162A2 (de) 2010-01-27
EP2148162A3 EP2148162A3 (de) 2011-11-30

Family

ID=41210484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09251862A Withdrawn EP2148162A3 (de) 2008-07-23 2009-07-23 Wärmetauschervorrichtung mit Doppelfluss-Schaltung zum periodischen Vor- und Rückwärtspumpen

Country Status (5)

Country Link
EP (1) EP2148162A3 (de)
JP (1) JP2010025542A (de)
CN (1) CN201615718U (de)
CA (1) CA2673107C (de)
SG (1) SG158831A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110686394A (zh) * 2019-09-18 2020-01-14 珠海格力电器股份有限公司 一种全热交换芯体和空调机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423793A (zh) * 2015-12-22 2016-03-23 叶立英 一种高效全热回收及其与外界热能系统复合的方法及系统
CN113339901B (zh) * 2021-05-14 2022-05-31 苏州科技大学 调节潮湿地区室内空气温湿度的控制系统及其方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5613553Y2 (de) * 1976-08-27 1981-03-30
EP0536445A1 (de) * 1991-10-11 1993-04-14 Ca Bygg Ab Verfahren zur wahlweisen Heizung oder Kühlung der Luft in einem Gebäude
NL1020481C1 (nl) * 2002-04-26 2003-10-31 Oxycell Holding Bv Enthalpiewisselaar, uitgevoerd als kozijnstijl.
JP2004324901A (ja) * 2003-04-21 2004-11-18 Matsushita Electric Ind Co Ltd 熱交換換気装置
JP4420463B2 (ja) * 2006-01-16 2010-02-24 新日本空調株式会社 デシカント換気システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110686394A (zh) * 2019-09-18 2020-01-14 珠海格力电器股份有限公司 一种全热交换芯体和空调机

Also Published As

Publication number Publication date
CA2673107A1 (en) 2010-01-23
JP2010025542A (ja) 2010-02-04
SG158831A1 (en) 2010-02-26
CA2673107C (en) 2017-02-14
EP2148162A3 (de) 2011-11-30
CN201615718U (zh) 2010-10-27

Similar Documents

Publication Publication Date Title
US20100101764A1 (en) Double flow-circuit heat exchange device for periodic positive and reverse directional pumping
US9207020B2 (en) Double flow-circuit heat exchange device for periodic positive and reverse directional pumping using a bidirectional pump
US8973649B2 (en) Heat exchange apparatus with a rotating disk and automatic control of heat exchange between two fluid streams by modulation of disk rotating speed and/or flow rate
CN101634535B (zh) 周期正逆向泵送的双流路热交换装置
CA2688788C (en) Fixed type heat exchange apparatus with automatic flow rate exchange modulation
CN102297503A (zh) 自动调控交换流量的回转式热交换装置
US8651171B2 (en) Single flow circuit heat exchange device for periodic positive and reverse directional pumping
EP2148162A2 (de) Wärmetauschervorrichtung mit Doppelfluss-Schaltung zum periodischen Vor- und Rückwärtspumpen
CA2672897C (en) Single flow circuit heat exchange device for periodic positive and reverse directional pumping
CN101634534B (zh) 周期正逆向泵送的单流路热交换装置
US20100122802A1 (en) Single flow circuit heat absorbing/release device for periodic positive and reverse directional pumping
EP2148164A2 (de) Wärmeaufnahme- bzw. -abgabevorrichtung mit Einzelfluss-Schaltung zum periodischen Vor- und Rückwärtspumpen
US20100147004A1 (en) Heat pump or heat exchange device with periodic positive and reverse pumping
CN201892477U (zh) 自动调控交换流量的固定式热交换装置
CN102155790B (zh) 一种空气源热泵热水器
CN1441213A (zh) 多用制冷制热空调装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA RS

RIC1 Information provided on ipc code assigned before grant

Ipc: F28F 13/10 20060101ALI20111024BHEP

Ipc: F24F 3/14 20060101ALI20111024BHEP

Ipc: F28D 21/00 20060101AFI20111024BHEP

Ipc: F28F 19/00 20060101ALI20111024BHEP

Ipc: F24F 12/00 20060101ALI20111024BHEP

Ipc: F28F 13/06 20060101ALI20111024BHEP

17P Request for examination filed

Effective date: 20120529

17Q First examination report despatched

Effective date: 20140130

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20171129