EP3549416A1 - Composant électronique et procédé de refroidissement - Google Patents

Composant électronique et procédé de refroidissement

Info

Publication number
EP3549416A1
EP3549416A1 EP17807880.4A EP17807880A EP3549416A1 EP 3549416 A1 EP3549416 A1 EP 3549416A1 EP 17807880 A EP17807880 A EP 17807880A EP 3549416 A1 EP3549416 A1 EP 3549416A1
Authority
EP
European Patent Office
Prior art keywords
cooling fluid
housing
electrical
electronic equipment
equipment according
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.)
Pending
Application number
EP17807880.4A
Other languages
German (de)
English (en)
Inventor
Bernd Schwarz
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.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Intelligent Power Ltd
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 Eaton Intelligent Power Ltd filed Critical Eaton Intelligent Power Ltd
Publication of EP3549416A1 publication Critical patent/EP3549416A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/64—Heat extraction or cooling elements
    • H01L33/648—Heat extraction or cooling elements the elements comprising fluids, e.g. heat-pipes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/56—Cooling arrangements using liquid coolants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/56—Cooling arrangements using liquid coolants
    • F21V29/58—Cooling arrangements using liquid coolants characterised by the coolants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20209—Thermal management, e.g. fan control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
    • F21V29/52—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes electrically powered, e.g. refrigeration systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
    • H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids

Definitions

  • the invention relates to an electrical or electronic equipment such as high-power light, switching device, control unit, transformer, signaling device, display device or the like.
  • Such resources like other compact electronic parts, generate heat that must be dissipated to prevent damage to the respective components and, in particular, to increase the life of the components.
  • explosion-proof areas there are additional requirements for such equipment, such as the limitation of the surface temperature or a safe control of sparks to avoid an explosion.
  • cooling is essential for corresponding resources. So far, such cooling was carried out for example by a passive cooling device such as a heat sink with corresponding cooling fins or the like or by active cooling such as a fluid cooling in particular with a corresponding liquid.
  • the cooling fluid is supplied to a housing of the operating means by means of a cooling fluid supply device.
  • a cooling fluid supply device As a rule, this has at least one cooling fluid supply device and one cooling fluid discharge device.
  • the cooling fluid is introduced into the housing via the cooling fluid supply device and is led out of the housing again via the cooling fluid discharge device.
  • Within the housing there is arranged a cooling fluid supply device which connects the cooling fluid supply device and the cooling fluid discharge device and guides the cooling fluid through the housing and in particular in close proximity to corresponding components of the equipment which mainly generate the high temperatures.
  • the heat generation is sometimes critical and the cooling fluid supply device must be designed accordingly to keep the temperatures of the equipment below a maximum allowable temperature.
  • the invention is therefore based on the object to improve the equipment described above or corresponding method for cooling and monitoring of the equipment to the effect that with a compact and competitive construction safe operation of the equipment while efficient cooling is also possible in potentially explosive areas.
  • this object is achieved, in particular, in that at least the cooling fluid supply device is assigned a safety switching device for interrupting the supply of fluid, in particular a pressure drop in the fluid.
  • a safety switching device for interrupting the supply of fluid, in particular a pressure drop in the fluid.
  • the safety switching device prevents insufficient supply of the coolant in this connection and at the same time serves to switch off the operating medium so that no further heat is generated.
  • H-LED high-performance lamp with at least one in particular high-power LED, H-LED, as a light source.
  • H-LED high-power LED
  • several such H-LEDs can be used in the lamp or other resources, as stated above, can also be cooled accordingly, see in this context switching devices, control devices, transformers, signaling devices and the like.
  • Cooling means but a plurality of such resources, which may also be included in a larger electrical system.
  • the previous and following versions for cooling apply to a single item of equipment
  • Equipment can be used, which are explosion-proof and in particular with explosion protection types Ex-d, Ex-m, Ex-o or Ex-p are formed.
  • Ex-d indicates a type of protection in which parts that are explosive
  • Atmosphere could ignite, are arranged in a housing. This will withstand the pressure of an explosion inside the enclosure and prevent transmission of the explosion to the surrounding explosive atmosphere.
  • Ex-m encapsulation With type of protection Ex-m encapsulation is present. That is, the corresponding parts of the equipment are embedded in a potting compound so that they could not ignite a potentially explosive atmosphere outside of a housing.
  • the corresponding potting compound is resistant to electrical, thermal, mechanical or chemical influences.
  • Ex-o corresponding parts of the equipment are immersed in electrically insulating oil or other non-flammable liquid, so above the corresponding liquid level within the housing or outside the housing located gases and vapors can not be ignited by sparks or the like.
  • Ex-p explosion protection uses pressurized enclosure, which prevents the surrounding atmosphere from penetrating into the housing of the equipment.
  • a corresponding protective gas such as air or another suitable gas is disposed within the housing. This is kept in the housing under pressure against the surrounding atmosphere.
  • a passive cooling device may be arranged within the housing and / or on the housing.
  • the passive cooling device may also be in contact with the cooling fluid. It is also conceivable that, in particular when the passive cooling device is arranged on the outside of the housing, it ensures, in addition to the cooling fluid, a corresponding cooling of the operating medium.
  • the fluid line connection can have a plurality of fluid channels. These are arranged, for example, within the housing and / or also inside or on the passive cooling device. Depending on the used cooling fluid, it is also conceivable that this with appropriate electrical
  • Isolation property is directly in contact with the various components of the equipment, see for example, the type of protection Ex-o, or the fluid channels at least partially arranged in particular in the region of the heat source.
  • Cooling fluid discharge device have at least one of the housing outwardly Shen Shen pipe socket, which has in each case one open to the housing interior pipe opening.
  • the housing outwardly Shen Shen pipe socket, which has in each case one open to the housing interior pipe opening.
  • other possibilities for supplying and discharging the cooling fluid are possible, such as corresponding holes in the housing, which are connected to cooling fluid lines outside the housing.
  • Safety device to build in a simple way this may have a pressurized in the direction of the pipe opening of the pipe socket and movably mounted between an open and a closed position valve body. at Pressure drop of the cooling fluid supply, the valve body is automatically moved to the closed position.
  • This also applies analogously to a high pressure build-up in the interior of the housing, which is possible, for example, in the case of an at least partially evaporating cooling fluid due to an excessively high temperature.
  • the valve body will move in the direction of the closed position if, for example, there is too little cooling fluid and thus too little cooling fluid pressure due to a leak in the coolant fluid supply line.
  • a simple way of pressurizing is a spring element which is mounted within the housing and the valve body in the direction of the pipe opening of the
  • Valve body or the state of the safety switching device to connect to the electrical supply of the equipment. If the valve body in the closed position or the safety switching device is turned off, then the electrical
  • Breaker contact is interrupted. It is also conceivable that the
  • Breaker contact with a control device of the equipment is in communication.
  • the controller will then when opening the breaker contact the
  • the control device can also be superordinate, ie it can be assigned to several resources. In case of failure of a corresponding resource this can then be turned off by the controller due to the open breaker contact.
  • the housing has at least one transparent cover facing the corresponding luminous means. Housing and cover may be connected to each other by friction welding or the like. Such a corresponding connection is also advantageous in connection with a corresponding type of protection of the equipment.
  • valve body may be mounted displaceably in a bearing sleeve, wherein in particular between the bearing sleeve and valve body, the spring element is arranged to pressurize the valve body.
  • the temperature class T6 allows a maximum surface temperature of the device of 85 ' ⁇ and accordingly the ignition temperatures of the combustible materials are greater than 85' ⁇ .
  • the corresponding maximum permissible surface temperature is 200 ⁇ and
  • the cooling fluid has a boiling temperature lower than a corresponding maximum permissible surface temperature or temperature according to the corresponding temperature class of the operating medium. That is, even before reaching the maximum allowable
  • Safety switching device or a displacement of the valve body in the closed position and corresponding to an interruption of the power supply of the equipment.
  • this creates a type of protection Ex-p, since by the corresponding high pressure inside the housing prevents intrusion of explosive gases outside of the housing.
  • the cooling fluid can be selected according to the use of the equipment, in particular with regard to possibly existing explosive gases. This is especially true in connection with the boiling temperature of the cooling fluid, which should always be less than the maximum permissible surface temperature of the equipment.
  • coolants are, for example, corresponding insulating oils, 3M Novec TM or distilled water.
  • 3M Novec TM is characterized by a wide range of boiling points, is non-flammable and still has excellent insulation properties.
  • a heat exchanger can be arranged at a corresponding point outside the housing between the cooling fluid supply device and the cooling fluid discharge device. This applies analogously to several resources with appropriate cooling, in which connection, if necessary, a heat exchanger may be sufficient.
  • the cooling fluid supply device is closed if a pressure drop occurs in the cooling fluid and / or there is a temperature rise within the housing, which takes place above a predetermined temperature.
  • the closing takes place by appropriate pressurization of a valve body, see corresponding spring element.
  • the invention also relates to a safety switching device of the type described above.
  • FIG. 1 is a plan view of an electrical / electronic equipment according to FIG. 1
  • Figure 2 is a section along the line II-II of Figure 1;
  • FIG. 3 is an enlarged view of the detail "X" of Figure 1;
  • FIG. 1 valve body according to Figure 4 in the closed position.
  • FIG. 1 shows a plan view of an electrical / electronic equipment 1 according to the invention.
  • This equipment is a high-performance luminaire 8 with at least one high-power LED 26, hereinafter referred to as H-LED.
  • the luminaire has a housing 2, which is substantially square in the illustrated view, whereby other housing forms are possible. Inside the housing, the H-LED 26 is arranged. This and in particular the housing 2 is a
  • Cooling fluid supply device 3 assigned. Of this are only one
  • Cooling fluid supply device and cooling fluid discharge device are connected outside the housing to other housings and to the remainder of the cooling fluid supply device 3. This may for example also have a heat exchanger 23, see Figure 3.
  • Cooling fluid guide device 6 for example in the form of a number of fluid channels 10.
  • the cooling fluid guide device 6 is part of the cooling fluid supply device 3 of the operating means 1. Coolant is supplied to the housing 2 via the cooling fluid supply device 4, flows through the housing in the corresponding fluid channels 10, cools down devices of the operating medium and exits the housing via the cooling fluid discharge device 5.
  • the corresponding pipe stubs 11 and 12 are directed away from the observer in FIG. 1, see also the following FIGS. 3, 4 and 5.
  • FIG. 2 shows a section along the line II-II from FIG.
  • the housing 2 is on an open light exit side by means of a
  • Cover 21 closed from a transparent material.
  • the connection between the cover 21 and the housing 2 can be done for example via friction welding or the like.
  • the approximately circular, see also Figure 1, H-LED 26 is arranged within the housing.
  • This is arranged with its rear side on a passive cooling device 9 in the form of a heat sink with a plurality of cooling fins.
  • the interspaces of the cooling fins serve as corresponding fluid channels 10.
  • the operating means 1 or the corresponding high-power light 8 is after
  • the H-LED 26 can be arranged as a single light source or with a plurality of bulbs within the housing 2.
  • the arrangement of the H-LEDs can also be constructed as an LED array of columns and rows.
  • the H-LED is characterized by a high power consumption and high light output.
  • the cooling fluid not only runs along the fluid channels 10, but in total through corresponding cavities of the housing 2.
  • the coolant is selected electrically insulating and flame retardant.
  • FIG. 3 shows a section along the line III-III from FIG. 4, wherein FIG. 4 is an enlarged view of the detail "X" from FIG.
  • FIG. 3 shows in particular a safety switching device 7. This is used to open and close the pipe socket 1 1 and in particular one for
  • the pipe socket 1 1 is part of the cooling fluid supply device 4. This is au ßerraum the housing connected to cooling fluid lines, not shown, which extend for example in the direction of a heat exchanger 23. This can in turn be connected to a correspondingdefluidableitungs prepared 5.
  • the safety switching device 7 comprises a valve body 17, an electrical
  • the closed position 16 is shown for example in Figures 3 and 5.
  • a corresponding opening position 15 is shown in FIG. In the closed position 16 of Figure 3 and 5, the electrical contact element 19 of the valve body 17 by an electrical break contact 20 in the interior of the
  • a control device 25 is arranged in the interior of the housing 2, for example, see FIG. 1, a control device 25 is arranged. This can interrupt the power supply of the H-LED 26 in the separation of contact element and breaker contact. The corresponding interruption of the power supply can also directly by separation of contact element and
  • the control device can also switch off not only the light 8 shown, but also other operating means 1 connected to the same cooling fluid supply device 3.
  • the corresponding contact element 19 of the valve body 17 may, for example, be annular and extend around the valve body 17.
  • valve body 17 has an enlarged diameter valve head, which closes the corresponding tube opening 13 in the closed position 16.
  • valve body 17 has a shaft with a smaller diameter than the valve head, said valve stem is slidably mounted in a bearing sleeve 22.
  • the corresponding spring element 18 is arranged to pressurize the valve body in the closed position 16.
  • Pipe opening 13 into the housing and in particular the fluid channels 10 flow. It flows along the corresponding components of the operating medium, such as H-LED or control device. As a result, they are cooled directly or at least via the passive cooling device 8. Subsequently, the heated coolant passes through the pipe opening 14 and pipe socket 12 of the cooling fluid discharge device 5 from the
  • Heat exchanger 23 is cooled and can continue its circulation. It can also flow through other resources 1, which are not shown for simplicity in the figures. Overall, the cooling fluid supply device 3 can be used for a number of resources also different types of electrical system.
  • the boiling temperature of the cooling fluid is usually selected so that it is lower and, as a rule, considerably lower than the permitted surface temperature of the equipment. This surface temperature is determined for example by appropriate temperature classes.
  • T6 corresponds to a maximum surface temperature of 85 ' ⁇ and T1 a maximum
  • the evaporation of the cooling fluid results in a further advantage according to the invention that the corresponding evaporation energy can be used in the phase transition in addition to the cooling of the equipment.
  • the cooling effect is increased by actual failure of the equipment by defect and the power supply of the
  • the housing is explosion-proof Ex-o formable. This results in an excellent cooling of the equipment and at the same time the realization of the corresponding explosion protection.
  • the inventive design of the cooling fluid supply means receives the equipment a compact structure with reduced compared to known resources, for example, the heat sink, i. the passive cooling device.
  • the heat sink i. the passive cooling device.
  • more components can be arranged in a certain area, since these invention can be sufficiently cooled. This allows, for example, the
  • corresponding cooling fluid supply device 3 can be used not only for explosion-proof equipment, but also for other equipment in which an effective and safe cooling is beneficial. It has already been pointed out that the cooling fluid supply device 3 can supply not only a resource 1, but a plurality of these and possibly also an entire system with a plurality of resources.
  • the corresponding operating means 1 of this system can be connected in parallel and / or in series with the corresponding cooling fluid supply device 3.
  • the safety switching device 7 may be assigned to the particularly critical resources or may be present in all resources.
  • Possible cooling fluids are, for example, oil, distilled water, 3M Novec TM or the like.
  • the cooling fluids can be adapted to the maximum permissible surface temperature of the corresponding equipment, see the comments on boiling temperature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne un équipement électrique/électronique, de type lampe à haute puissance, appareil de commutation, appareil de commande, transformateur, appareil de signalisation, appareil d'affichage, ou similaire avec un boîtier (2) et au moins un dispositif d'approvisionnement (3) en fluide réfrigérant agencé dans le boîtier ou associé à ce dernier. Celui-ci comporte un dispositif d'admission de fluide réfrigérant et un dispositif d'évacuation de fluide réfrigérant contre le boîtier et un dispositif d'introduction de fluide réfrigérant à l'intérieur du boîtier. Afin d'améliorer un tel équipement sur le principe qu'avec une construction compacte et compétitive un actionnement de l'équipement plus sûr assurant en même temps un refroidissement efficace en particulier même dans les zones de risques d'explosion est possible, au moins un dispositif disjoncteur de sécurité est associé au dispositif d'introduction de fluide réfrigérant pour l'interruption de l'introduction de fluide réfrigérant, en particulier en cas de chute de pression dans le fluide réfrigérant. L'invention concerne par ailleurs un procédé correspondant.
EP17807880.4A 2016-12-02 2017-12-01 Composant électronique et procédé de refroidissement Pending EP3549416A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016224064.1A DE102016224064A1 (de) 2016-12-02 2016-12-02 Elektrisches/Elektronisches Betriebsmittel, Verfahren zur Kühlung und Überwachung des Betriebsmittels sowie Sicherheitsschalteinrichtung
PCT/EP2017/081219 WO2018100175A1 (fr) 2016-12-02 2017-12-01 Composant électronique et procédé de refroidissement

Publications (1)

Publication Number Publication Date
EP3549416A1 true EP3549416A1 (fr) 2019-10-09

Family

ID=60515418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17807880.4A Pending EP3549416A1 (fr) 2016-12-02 2017-12-01 Composant électronique et procédé de refroidissement

Country Status (5)

Country Link
US (1) US12016141B2 (fr)
EP (1) EP3549416A1 (fr)
CN (1) CN109997424B (fr)
DE (1) DE102016224064A1 (fr)
WO (1) WO2018100175A1 (fr)

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US12016141B2 (en) 2024-06-18
US20190387636A1 (en) 2019-12-19
CN109997424B (zh) 2021-12-21
DE102016224064A1 (de) 2018-06-07
WO2018100175A1 (fr) 2018-06-07
CN109997424A (zh) 2019-07-09

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