US20190069443A1 - Liquid-cooling termination structure having temperature sensing function - Google Patents

Liquid-cooling termination structure having temperature sensing function Download PDF

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Publication number
US20190069443A1
US20190069443A1 US15/693,058 US201715693058A US2019069443A1 US 20190069443 A1 US20190069443 A1 US 20190069443A1 US 201715693058 A US201715693058 A US 201715693058A US 2019069443 A1 US2019069443 A1 US 2019069443A1
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United States
Prior art keywords
liquid
temperature sensing
termination structure
water cooling
function 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.)
Abandoned
Application number
US15/693,058
Inventor
Ling Long
Li Liu
Tong-Hu XIA
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.)
Shanghai Luyao Energy Technology Co Ltd
Original Assignee
Shanghai Luyao Energy Technology Co 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 Shanghai Luyao Energy Technology Co Ltd filed Critical Shanghai Luyao Energy Technology Co Ltd
Priority to US15/693,058 priority Critical patent/US20190069443A1/en
Assigned to LIU, LI, XIA, TONG-HU, LONG, Ling, Shanghai LuYao Energy Technology Co., Ltd. reassignment LIU, LI ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIU, LI, LONG, Ling, XIA, TONG-HU
Publication of US20190069443A1 publication Critical patent/US20190069443A1/en
Priority to US16/432,756 priority patent/US11116105B2/en
Priority to US17/384,502 priority patent/US20210352824A1/en
Priority to US17/384,443 priority patent/US20210352823A1/en
Abandoned legal-status Critical Current

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    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • 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
    • 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
    • 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
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20763—Liquid cooling without phase change
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/14—Methods or arrangements for maintaining a constant temperature in parts of machine tools
    • B23Q11/141—Methods or arrangements for maintaining a constant temperature in parts of machine tools using a closed fluid circuit for cooling or heating

Abstract

A liquid-cooling termination structure having temperature sensing function is disposed on a liquid-cooling system which is used for performing a heat dissipating operation to a heat source of equipment. The liquid-cooling termination structure includes a water cooling head and a temperature sensing unit. The water cooling head is formed with an adhering surface used for being adhered on the heat source. The temperature sensing unit includes a sensing terminal, and a signal transferring cable extended from the sensing terminal. The sensing terminal is combined with the water cooling head from the exterior of the water cooling head, and the signal transferring cable is connected to the equipment for obtaining the temperature of the heat source through the water cooling head.

Description

    BACKGROUND OF THE INVENTION Field of the Invention
  • The present invention relates to a liquid-cooling system, especially to a liquid-cooling termination structure having temperature sensing function.
    • Description of Related Art
  • For monitoring the operating condition of a heat source, such as a central processing unit (CPU), and preventing overheating which may cause malfunction, a liquid-cooling system applied in an equipment, such as a cellphone or a computer, is disposed with a temperature sensor on the above-mentioned heat source, so that the temperature of the heat source is able to be obtained through the temperature sensor, and the operating condition of the heat source can be monitored and other data can also be obtained.
  • However, the means of disposing the temperature sensor on the heat source for obtaining the temperature thereof requires the heat source to provide a function of outputting a temperature signal, thus a concern of leaking information may be caused, and the information security is unable to be comprehensively protected.
  • Accordingly, the applicant of the present invention has devoted himself for improving the mentioned disadvantages.
    • SUMMARY OF THE INVENTION
  • The present invention is to provide a liquid-cooling termination structure having temperature sensing function, in which a liquid-cooling termination is integrated with a temperature sensor, so that the temperature of a heat source can be obtained through the liquid-cooling termination being in contact with the heat source, in other words the heat source is not required to provide a function of outputting a temperature signal, so that the information security of an equipment can be effectively protected.
  • Accordingly, the present invention provides a liquid-cooling termination structure having temperature sensing function, which is disposed on a liquid-cooling system used for performing a heat dissipating operation to a heat source of equipment. The liquid-cooling termination structure includes a water cooling head and a temperature sensing unit. The water cooling head is formed with an adhering surface used for being adhered on the heat source. The temperature sensing unit includes a sensing terminal, and a signal transferring cable extended from the sensing terminal. The sensing terminal is combined with the water cooling head from the exterior of the water cooling head, and the signal transferring cable is connected to the equipment for obtaining the temperature of the heat source through the water cooling head.
    • BRIEF DESCRIPTION OF DRAWING
  • FIG. 1 is a perspective exploded view according to a first embodiment of the present invention;
  • FIG. 2 is a cross sectional view showing the assembly according to the first embodiment of the present invention;
  • FIG. 3 is a cross sectional view showing the assembly according to a second embodiment of the present invention;
  • FIG. 4 is a perspective view showing the assembly according to a third embodiment of the present invention;
  • FIG. 5 is a partial exploded view according to the third embodiment of the present invention;
  • FIG. 6 is a perspective exploded view according to a fourth embodiment of the present invention;
  • FIG. 7 is a perspective view showing the assembly according to the fourth embodiment of the present invention; and
  • FIG. 8 is a cross sectional view showing the assembly according to a fifth embodiment of the present invention.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • Preferred embodiments of the present invention will be described with reference to the drawings.
  • Please refer to FIG. 1 and FIG. 2, wherein FIG. 1 is a perspective exploded view according to a first embodiment of the present invention and FIG. 2 is a cross sectional view showing the assembly according to the first embodiment of the present invention. The present invention provides a liquid-cooling termination structure having temperature sensing function. The liquid-cooling termination structure is disposed on a liquid-cooling system (not shown in figures), and the above-mentioned liquid-cooling system is used for dissipating a heat source of an equipment such as a cellphone or a computer, or used for working with an equipment such as a large-scale server, a medical equipment, a precision instrument or an electric-powered device for providing a heat dissipation effect. The above-mentioned heat source can be a central processing unit (CPU) or other electric components capable of generating heat which are disposed inside the cellphone or the computer. The liquid-cooling termination structure includes a water cooling head 1 and a temperature sensing unit 2.
  • The water cooling head 1 is formed as a polygonal sheet-like member made of a thermal conductive material, and the above-mentioned thermal conductive material can be copper or aluminum. The water cooling head 1 is formed with at least one adhering surface 100, so that the adhering surface 100 is able to be adhered on the above-mentioned heat source 3 (as shown in FIG. 2), thereby allowing the liquid-cooling system to perform a heat dissipating operation to the heat source 3. According to this embodiment, the water cooling head 1 is further formed with a top surface 111 arranged opposite to the adhering surface 100, and lateral surfaces 12 continuously surrounding peripheries of the adhering surface 100 and the top surface 111, so as to form the above-mentioned sheet-like member.
  • The temperature sensing unit 2 can be a contacting-type or infrared sensor, and the interior thereof is mainly composed of a thermal couple or a thermistor. The temperature sensing unit 2 includes a sensing terminal 20, and a signal transferring cable 21 extended from the rear end of the sensing terminal 20, and the signal transferring cable 21 is connected to the above-mentioned cellphone or the computer. According to this embodiment, the temperature sensing terminal 20 is formed as an elongated rod-like member, and screwed on the water cooling head 1 by utilizing a screw piece 221. Wherein, the top surface 111 of the water cooling head 1 is formed with a screw hole 112, two ends of the screw piece 22 are respectively formed with a package hole 220 and a screw rod 221, the package hole 220 allows the sensing terminal 20 to be packaged therein, the screw rod 221 is screwed in the screw hole 112 of the water cooling head 1, so that the sensing terminal 20 is combined with the water cooling head 1. Accordingly, when thermal energy is generated by the heat source 3, the thermal energy can be transferred to the water cooling head 1 adjacently adhered with the heat source 3, and the sensing terminal 20 can be served to sense the water cooling head 1 for obtaining the temperature of the heat source 3.
  • Please refer to FIG. 3, according to a second embodiment provided by the present invention, the water cooling head 1 further includes a bottom plate 10, and a cover plate 11 covered on the bottom plate 10. The adhering surface 100 is formed below the bottom plate 10, and the top surface 111 is formed above the cover plate 11. An accommodation chamber 110 is formed between the cover plate 11 and the bottom plate 10, the bottom plate 10 is formed with a plurality of fins 101 arranged with intervals and disposed in the accommodation chamber 110, and the cover plate 11 is disposed with two water connecting ports 13 communicated with the accommodation chamber 110, thereby allowing the above-mentioned liquid-cooling system to be connected. According to the FIG. 1 and FIG. 2 disclosed in the first embodiment, the temperature sensing unit 2 is screwed on the cover plate 11 through the screw piece 22, in other words the above-mentioned screw hole 112 is formed on the top surface 111 of the cover plate 11, and the screw rod 221 of the screw piece 22 is screwed in the screw hole 112 of the cover plate 11.
  • Please refer to FIG. 4 and FIG. 5, according to a third embodiment provided by the present invention, a recessed surface 102 is formed at a corner of the adhering surface 100 of the water cooling head 1, and a positioning post 103 is formed on the recessed surface 102. The sensing terminal 20 of the temperature sensing unit 2 is formed as a flat circular member having a positioning hole 201, the sensing terminal 20 is sleeved on the positioning post 103 through the positioning hole 201, so that the sensing terminal 20 can be combined on the recessed surface 102 with a riveting or soldering means; according to this embodiment, a screw hole 104 is formed in the positioning post 103, and a screwing member 202 is utilized for being screwed in the screw hole 104 so as to be fastened. Moreover, a stand 14 is stacked on the top surface 11 of the water cooling head 1, the stand 14 has extending feet 140 corresponding to corners of the water cooling head 1, so that the extending feet 140 are able to work with a circuit board (not shown in figures) of the heat source 3 for allowing the water cooling head 1 to be fastened with the heat source 3.
  • Please refer to FIG. 6 and FIG. 7, according to a fourth embodiment provided by the present invention, the sensing terminal 20 of the temperature sensing unit 2 is formed in a needle-like status, and inserted to the interior from the lateral surface 12 of the water cooling head 1. Details are provided as follows, the lateral surface 12 of the water cooling head 1 is formed with an orifice 120, and the orifice 120 allows the sensing terminal 20 in the needle-like status to be tightly inserted therein so as to be packaged in the water cooling head 1; moreover, please refer to FIG. 8, an outer edge of the orifice 120 is further processed with a soldering operation for forming a sealed portion 23, so that the sensing terminal 20 can also be packaged in the water cooling head 1.
  • Accordingly, with the above-mentioned components, the liquid-cooling termination structure having temperature sensing function is assembled.
  • Based on what has been disclosed above, the liquid-cooling termination structure having temperature sensing function provided by the present invention enables the temperature sensing unit 2 and the water cooling head 1 to be integrated with the liquid-cooling termination being combined, so that the temperature of the heat source 3 can be obtained through the water cooling head 1 being in contact with the heat source 3. As such, the heat source 3 is not required to provide a function of outputting a temperature signal, so that the information security of the cellphone or the computer can be ensured, and the concern of leaking information can be avoided.
  • Although the present invention has been described with reference to the foregoing preferred embodiment, it will be understood that the invention is not limited to the details thereof. Various equivalent variations and modifications can still occur to those skilled in this art in view of the teachings of the present invention. Thus, all such variations and equivalent modifications are also embraced within the scope of the invention as defined in the appended claims.

Claims (13)

1. A liquid-cooling termination structure having temperature sensing function, disposed on a liquid-cooling system used for performing a heat dissipating operation to a heat source of equipment, and including:
a water cooling head, formed with an adhering surface used for being adhered on the heat source; and
a temperature sensing unit, including a sensing terminal, and a signal transferring cable extended from the sensing terminal, wherein the sensing terminal is combined with the water cooling head from the exterior of the water cooling head without directly contacting the heat source, and the signal transferring cable is connected to the sensing terminal for obtaining the temperature of the heat source through the water cooling head.
2. The liquid-cooling termination structure having temperature sensing function according to claim 1, wherein the water cooling head is further formed with a top surface arranged opposite to the adhering surface, and a lateral surface continuously surrounding peripheries of the adhering surface and the top surface.
3. The liquid-cooling termination structure having temperature sensing function according to claim 1, wherein the water cooling head further includes a bottom plate, and a cover plate covered on the bottom plate, an accommodation chamber is formed between the cover plate and the bottom plate, a top surface arranged opposite to the adhering surface is formed on the cover plate, and the adhering surface is formed below the bottom plate.
4. The liquid-cooling termination structure having temperature sensing function according to claim 3, wherein the bottom plate is formed with a plurality of fins arranged with intervals and disposed in the accommodation chamber.
5. The liquid-cooling termination structure having temperature sensing function according to claim 2, wherein the top surface is formed with a screw hole, and the sensing terminal is screwed in the screw hole by utilizing a screw piece.
6. The liquid-cooling termination structure having temperature sensing function according to claim 5, wherein two ends of the screw piece are formed with a package hole and a screw rod, the package hole allows the sensing terminal to be packaged therein, and the screw rod is screwed in the screw hole of the top surface.
7. The liquid-cooling termination structure having temperature sensing function according to claim 2, wherein the water cooling head is formed as a polygonal sheet-like member, a recessed surface is formed at a corner of the adhering surface, and the sensing terminal of the temperature sensing unit is formed as a flat circular member and combined on the recessed surface.
8. The liquid-cooling termination structure having temperature sensing function according to claim 7, wherein a positioning post is formed on the recessed surface, a positioning hole is formed on the sensing terminal, and the positioning hole is sleeved on the positioning post.
9. The liquid-cooling termination structure having temperature sensing function according to claim 8, wherein a screw hole is formed in the positioning post, and a screwing member is utilized for being screwed in the screw hole.
10. The liquid-cooling termination structure having temperature sensing function according to claim 9, wherein a stand is stacked on the top surface of the water cooling head, and the stand has extending feet corresponding to corners of the water cooling head.
11. The liquid-cooling termination structure having temperature sensing function according to claim 2, wherein the sensing terminal of the temperature sensing unit is formed in a needle-like status, and inserted to the interior from the lateral surface of the water cooling head.
12. The liquid-cooling termination structure having temperature sensing function according to claim 11, wherein an orifice is formed on the lateral surface of the water cooling head, and the sensing terminal is inserted in the orifice.
13. The liquid-cooling termination structure having temperature sensing function according to claim 12, wherein a sealed portion is formed at an outer edge of the orifice.
US15/693,058 2017-08-31 2017-08-31 Liquid-cooling termination structure having temperature sensing function Abandoned US20190069443A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US15/693,058 US20190069443A1 (en) 2017-08-31 2017-08-31 Liquid-cooling termination structure having temperature sensing function
US16/432,756 US11116105B2 (en) 2017-08-31 2019-06-05 Liquid-cooling termination structure having temperature sensing function
US17/384,502 US20210352824A1 (en) 2017-08-31 2021-07-23 Liquid-cooling termination structure having temperature sensing function
US17/384,443 US20210352823A1 (en) 2017-08-31 2021-07-23 Liquid-cooling termination structure having temperature sensing function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15/693,058 US20190069443A1 (en) 2017-08-31 2017-08-31 Liquid-cooling termination structure having temperature sensing function

Related Child Applications (1)

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US16/432,756 Division US11116105B2 (en) 2017-08-31 2019-06-05 Liquid-cooling termination structure having temperature sensing function

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US20190069443A1 true US20190069443A1 (en) 2019-02-28

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US15/693,058 Abandoned US20190069443A1 (en) 2017-08-31 2017-08-31 Liquid-cooling termination structure having temperature sensing function
US16/432,756 Active 2037-09-22 US11116105B2 (en) 2017-08-31 2019-06-05 Liquid-cooling termination structure having temperature sensing function
US17/384,502 Abandoned US20210352824A1 (en) 2017-08-31 2021-07-23 Liquid-cooling termination structure having temperature sensing function
US17/384,443 Abandoned US20210352823A1 (en) 2017-08-31 2021-07-23 Liquid-cooling termination structure having temperature sensing function

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US17/384,502 Abandoned US20210352824A1 (en) 2017-08-31 2021-07-23 Liquid-cooling termination structure having temperature sensing function
US17/384,443 Abandoned US20210352823A1 (en) 2017-08-31 2021-07-23 Liquid-cooling termination structure having temperature sensing function

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US20100208769A1 (en) * 2007-08-01 2010-08-19 Endress + Hauser Wetzer Gmbh + Co. Kg Apparatus for determing and/or monitoring temperature
US8390420B2 (en) * 2010-12-16 2013-03-05 Emerson Electric Co. Immersion well assembly
US20130208421A1 (en) * 2009-05-12 2013-08-15 Iceotope Limited Cooled Electronic System

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US6942018B2 (en) * 2001-09-28 2005-09-13 The Board Of Trustees Of The Leland Stanford Junior University Electroosmotic microchannel cooling system
US6599012B2 (en) * 2002-01-03 2003-07-29 Mamac Systems, Inc. Thermowell adapter
US7578337B2 (en) * 2005-04-14 2009-08-25 United States Thermoelectric Consortium Heat dissipating device
JP5618419B2 (en) * 2011-06-13 2014-11-05 株式会社日立製作所 Boiling cooling system
WO2014122905A1 (en) * 2013-02-06 2014-08-14 三洋電機株式会社 Battery system
ITUB20160129A1 (en) * 2016-01-21 2017-07-21 Skf Ab Procedure and mounting device of a temperature sensor.
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Publication number Priority date Publication date Assignee Title
US20100208769A1 (en) * 2007-08-01 2010-08-19 Endress + Hauser Wetzer Gmbh + Co. Kg Apparatus for determing and/or monitoring temperature
US20090294106A1 (en) * 2008-05-28 2009-12-03 Matteo Flotta Method and apparatus for chip cooling
US20130208421A1 (en) * 2009-05-12 2013-08-15 Iceotope Limited Cooled Electronic System
US8390420B2 (en) * 2010-12-16 2013-03-05 Emerson Electric Co. Immersion well assembly

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Publication number Publication date
US20210352823A1 (en) 2021-11-11
US11116105B2 (en) 2021-09-07
US20190289747A1 (en) 2019-09-19
US20210352824A1 (en) 2021-11-11

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Owner name: SHANGHAI LUYAO ENERGY TECHNOLOGY CO., LTD., CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LONG, LING;LIU, LI;XIA, TONG-HU;REEL/FRAME:043466/0921

Effective date: 20170728

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