EP3044523A1 - Dispositif de mise en température - Google Patents

Dispositif de mise en température

Info

Publication number
EP3044523A1
EP3044523A1 EP14765870.2A EP14765870A EP3044523A1 EP 3044523 A1 EP3044523 A1 EP 3044523A1 EP 14765870 A EP14765870 A EP 14765870A EP 3044523 A1 EP3044523 A1 EP 3044523A1
Authority
EP
European Patent Office
Prior art keywords
control device
tank
temperature control
mixing chamber
fluid medium
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.)
Granted
Application number
EP14765870.2A
Other languages
German (de)
English (en)
Other versions
EP3044523B1 (fr
Inventor
Artur Kraus
Jürgen Hof
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.)
Hydac Cooling GmbH
Original Assignee
Hydac Cooling GmbH
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
Application filed by Hydac Cooling GmbH filed Critical Hydac Cooling GmbH
Publication of EP3044523A1 publication Critical patent/EP3044523A1/fr
Application granted granted Critical
Publication of EP3044523B1 publication Critical patent/EP3044523B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • 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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine

Definitions

  • the invention relates to a tempering, with a flow for supplying a consumer connectable to the flow with a fluid medium of predetermined temperature and with a connectable to the consumer return for recycling at least a portion of the fluid medium from the consumer to a mixing device, in which in a predetermined amount ratio the fluid medium of the return is mixed with a storage medium stored in a tank.
  • Temperature control devices of this type are state of the art. This in
  • a circulation pump whose pressure delivery side communicates with the flow, sucks fluid medium from the tank and mixes it by means of a mixing device with the rest, flowing back through the return medium.
  • the invention has the object to provide a temperature control of the type considered available, which is characterized by a particularly favorable performance. According to the invention this object is achieved by a tempering device having the features of claim 1 in its entirety.
  • a significant feature of the invention accordingly consists in that the mixing device has at least one mixing chamber, which is arranged below the fill level of the tank containing the storage medium during operation of the temperature control device.
  • the installation of a mixing chamber immersed in the tank enables a targeted heat distribution with high energy efficiency.
  • the mixing device forms with its mixing chamber components of a submersible pump, which is at least partially disposed in the tank with its suction side below the filling level and the pressure discharge side, which leads to the flow, preferably above the level in the tank.
  • a submersible pump as arranged in the tank submersible pump allows in a particularly advantageous manner to increase the reliability. While in the prior art as circulation pump a dry mounted horizontal pump is provided, the sealless submersible pump avoids the susceptibility that is given in horizontal pumps with mechanical seals that are vulnerable to fluid media, the example As ethylene or glycol.
  • the direct installation of the mixing chamber to the submersible pump also results in a particularly low demand for piping.
  • the mixing chamber has at least one connecting opening in the submersible pump housing, which opens into the reservoir of the tank, wherein the mixing device has as part of the return at least one connecting line which leads from a distributor into the mixing chamber.
  • the distribution device can be formed by a 3/2-way valve, which divides the return, depending on the need for cooling capacity in a flowing through the connecting line flow and in a flow that flows through the heat exchanger of the cooling unit to the storage tank.
  • the distribution device can be controlled by a control device which, depending on the temperature of the medium of the flow, forwards at least part of the fluid medium of the return to a cooling device, such as the heat exchanger of the cooling unit, and the other remaining part to the mixing chamber.
  • the cooling device has a compressor cooling system, wherein the thus cooled fluid medium of the return is guided into the tank.
  • the compressor cooling system has its own cooling circuit with a refrigerant flowing through a heat exchanger through which at least the part to be cooled of the fluid medium of the return is passed at the same time.
  • the heat exchanger may be provided in the form of a plate heat exchanger, which forms a functional unit with the evaporator of the compressor-cooling system.
  • the compressor cooling system may have at least one condenser and a compressor, as well as a drying device, which is arranged in the cooling circuit upstream of the evaporator associated with the heat exchanger.
  • the control device has a temperature controller, which controls a motor control valve in order to divide the fluid medium into a portion to be cooled by means of the cooling device and a portion which is supplied to the mixing chamber.
  • the engine control valve for example in the form of a 3/2-way valve, is controlled by the temperature controller in dependence on the measured by means of a temperature sensor flow temperature.
  • the compressor cooling system only needs to work if cold fluid medium is needed in the storage tank. The needed
  • Cooling capacity is thus adaptable to the needs, so that a high energy efficiency can be achieved. Due to the adjustable cooling capacity, the desired temperature of the medium in the flow can be set very precisely to desired values with deviations that are less than +/- 0.3 K.
  • the arrangement can be made such that a plurality of submersible pumps, preferably with different discharge capacity, are arranged in the tank such that different flow temperatures for the fluid medium and / or different discharge quantities depending on the submersible pumps put into operation allow the flow fluid medium to reach.
  • a particularly energy-saving, needs-based adaptation is possible.
  • a fluid guide can be formed by chamber walls arranged in the tank, which form a kind of labyrinth for the flow path in the tank.
  • formed tempering the arrangement may further be made so that for uniform temperature of the control device, in particular in the form of power electronics, this rests flat against a tank wall of the tank, preferably at least partially integrated into the outer housing of the tank , In a simple and advantageous manner, therefore, a tempering / cooling of the control device is formed simultaneously.
  • Figure 1 is a schematic, partially drawn in a symbol representation of an embodiment of the temperature control according to the invention.
  • Fig. 2 is a drawn in natural size of a practical embodiment longitudinal section of the mixing chamber of the embodiment and
  • FIG. 3 on the smaller scale, is a cross section of FIG
  • a consumer Circuit with 1 and a cooling circuit designated 3 The interface between the circuits 1 and 3 forms a plate heat exchanger 5, whose primary side, which is assigned to the consumer circuit 1, can be flowed through by fluid medium to be cooled of the consumer circuit 1, while the secondary side of the plate heat exchanger 5, the evaporator for by a compressor-cooling unit formed cooling circuit 3 forms.
  • the cooling circuit 3 has in the usual way an electric motor drivable compressor 7, the suction side is connected to the serving as an evaporator secondary side of the plate heat exchanger 5 and at the pressure side, a capacitor 9 connects.
  • the refrigerant passes to an expansion valve 13 and from there to the evaporator forming secondary side of the plate heat exchanger 5.
  • the flow 1 5 is connected to the pressure discharge side 19 of a circulating pump operable by an electric motor 21.
  • the circulating pump is formed by a submersible pump 23. This is installed in a storage tank 25 such that fluid inlet openings 27 of the suction side of the submersible pump 23 are below the fill level of the tank 25.
  • the pressure discharge side 19 of the submersible pump 23 is above the fill level of Vorratstanks 25.
  • a temperature sensor 29 is arranged, which provides a temperature controller 31, a flow temperature representing signal.
  • the fluid medium flowing back from the consumer such as cooling liquid, for example water with additions of glycol or ethylene, or hydraulic oil, passes from the return line 1 7 to a distributor device, which in the present case example by a 3/2 way valve 33 is formed.
  • a distributor device which in the present case example by a 3/2 way valve 33 is formed.
  • This is designed as a motor control valve, which is controllable by the temperature controller 31 in response to the flow temperature measured by the sensor 29 by means of a servomotor 35.
  • the control valve 33 divides the fluid flowing through the return flow 17 in a proportion that flows through the primary side of the plate heat exchanger 5 in the storage tank 25, see flow arrow 37, and in a proportion that leads via a connecting line 39 to a mixing chamber 41 , If the sensor 29 signals a low demand for cooling capacity or no need for cooling power, due to the setting of the control valve 33, the proportion flowing through the heat exchanger 5 is low or zero, while a correspondingly larger proportion flows via the connecting line 39 to the mixing chamber 41.
  • the mixing chamber 41 which is shown separately in Fig. 2, formed by a housing part of the pump housing of the submersible pump 23.
  • the mixing chamber 41 is located at the suction end of the pump housing of the submersible pump 23 and is therefore in operation below the filling level of the storage tank 25.
  • the mixing chamber 41 forms a Gepatiuseab gleichdeckel 43 at the suction end of the housing of the submersible pump 23, so that the mixing chamber 41 is in operation below the fill level of the storage tank 25.
  • the lid 43 has the shape of a cone with an inner funnel 45, which forms the wall of the mixing chamber 41. As shown in FIG.
  • connection bend 49 to which the connection line 39 is connected, is attached to the lower funnel opening 47.
  • the housing cover 43 forming the mixing chamber 41 has screw holes 51 for connecting screws for flanging the cover 43 onto the pump housing.
  • the proportion of flowing back via the return 1 7 medium which has no cooling needs, passes through the connecting line 39 directly into the Mixing chamber 41 and is mixed with the remaining portion, ie with the flowing through the heat exchanger 5 in the tank 25, cooled medium within the mixing chamber 41 in the intake of the submersible pump 23. If there is no need for cooling capacity, the entire amount of the return flow 1 7 via the connecting line 39 in the suction side of the submersible pump 23.
  • the compressor 7 of the compressor cooling system works only when 25 cold medium is needed in the storage tank.
  • the required cooling capacity can thus be adapted to the requirements so that the greatest possible energy efficiency can be achieved.
  • a plurality of submersible pumps 23 can be provided in the tank 25, which can optionally be put into operation.
  • a fluid guide can be provided in a particularly advantageous manner within the storage space of the tank 25, which is designed such that a uniform supply of mixing medium via the inlet openings 27 of the submersible pump 23 takes place.
  • a kind of labyrinth be formed, which is a tortuous Strö- mungsverlauf forms for the cooled in the plate heat exchanger 5 medium, which, as indicated by arrow 37, flows.
  • the tank 25 simultaneously has the function of controlling the temperature of the associated control device for integrated cooling of the temperature controller 31 having power electronics, for example take.
  • a receiving space 55 may be formed on the outer housing of the tank 25, which forms on the tank wall a bearing surface 57 for a planar contact of the relevant power electronics, wherein the contact surface 57 forms a heat exchange surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un dispositif de mise en température comprenant une conduite d'alimentation (15) servant à alimenter avec un fluide à température prédéterminée un récepteur pouvant être relié à ladite conduite d'alimentation (15), et une conduite de retour (17) pouvant être reliée au récepteur, et servant à retourner au moins une partie du fluide du récepteur vers un dispositif mélangeur (41) dans lequel le fluide en provenance de la conduite de retour (17) est mélangé selon un rapport quantitatif prédéterminé avec un fluide de réserve stocké dans un réservoir (25), caractérisé en ce que le dispositif mélangeur comprend au moins une chambre de mélange (41) qui, lorsque le dispositif de mise en température est en service, est située sous le niveau de remplissage du réservoir (25) contenant le fluide de réserve.
EP14765870.2A 2013-09-11 2014-09-04 Dispositif de mise en température Not-in-force EP3044523B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013015368.9A DE102013015368A1 (de) 2013-09-11 2013-09-11 Temperiervorrichtung
PCT/EP2014/002397 WO2015036106A1 (fr) 2013-09-11 2014-09-04 Dispositif de mise en température

Publications (2)

Publication Number Publication Date
EP3044523A1 true EP3044523A1 (fr) 2016-07-20
EP3044523B1 EP3044523B1 (fr) 2021-03-24

Family

ID=51539230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14765870.2A Not-in-force EP3044523B1 (fr) 2013-09-11 2014-09-04 Dispositif de mise en température

Country Status (4)

Country Link
US (1) US10006676B2 (fr)
EP (1) EP3044523B1 (fr)
DE (1) DE102013015368A1 (fr)
WO (1) WO2015036106A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020034594A1 (fr) * 2018-08-16 2020-02-20 北京航天动力研究所 Système de dépressurisation monté sur patin
CN111023606A (zh) * 2019-12-27 2020-04-17 无锡溥汇机械科技有限公司 一种大流量小温差精密温控热交换系统
US10966349B1 (en) 2020-07-27 2021-03-30 Bitfury Ip B.V. Two-phase immersion cooling apparatus with active vapor management

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635286A (en) * 1969-12-29 1972-01-18 Prvni Brnenska Strojirna Storage tank for liquid metal
DE2944273C2 (de) * 1979-11-02 1982-06-16 Rudolf 6050 Offenbach Hagedorn Wärmetauscher mit einem geschlossenen zylindrischen Behälter
EP0069172A1 (fr) 1981-06-12 1983-01-12 THORN EMI Domestic Appliances Limited Systèmes de chauffage central
DE3714771A1 (de) 1987-05-04 1988-12-01 Bayerische Motoren Werke Ag Anordnung von klimatisierungskanaelen in kraftfahrzeugen
JP2694515B2 (ja) * 1995-03-01 1997-12-24 エス・ティエス株式会社 冷却装置
DE19708442A1 (de) 1997-03-01 1998-09-03 Hella Kg Hueck & Co Klimaanlage für den Innenraum eines Fahrzeuges
DE19755286C2 (de) 1997-12-12 2002-06-20 Messer Griesheim Gmbh Verfahren zum Kühlen eines Wärmeträgers
DE29921647U1 (de) * 1999-12-09 2000-02-17 TermoTek Laserkühlung GmbH, 77836 Rheinmünster Kühlvorrichtung für einen Laser
US7316267B2 (en) * 2002-02-12 2008-01-08 Matsushita Electric Industrial Co., Ltd. Heat pump water device
DE102004041252A1 (de) * 2004-08-26 2006-03-02 Thermo Electron (Karlsruhe) Gmbh Temperiervorrichtung
US8025097B2 (en) * 2006-05-18 2011-09-27 Centipede Systems, Inc. Method and apparatus for setting and controlling temperature

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2015036106A1 *

Also Published As

Publication number Publication date
EP3044523B1 (fr) 2021-03-24
US20160209086A1 (en) 2016-07-21
DE102013015368A1 (de) 2015-03-12
WO2015036106A1 (fr) 2015-03-19
US10006676B2 (en) 2018-06-26

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