CN212321493U - Simulated heat source - Google Patents
Simulated heat source Download PDFInfo
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- CN212321493U CN212321493U CN202022032856.0U CN202022032856U CN212321493U CN 212321493 U CN212321493 U CN 212321493U CN 202022032856 U CN202022032856 U CN 202022032856U CN 212321493 U CN212321493 U CN 212321493U
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Abstract
The utility model relates to a heat exchange technology field, in particular to simulation heat source, include: the heat conductor is provided with a heat conducting hole; the heating body is arranged in the heat conduction hole, the shape of the heating body is matched with that of the heat conduction hole, and a solid brazing filler metal which is cooled and solidified by a liquid brazing filler metal is filled between a heating body shell and a gap of the heat conduction hole; the heat conduction holes comprise round holes and heat diffusion holes communicated with the bottom surfaces of the round holes; the heating body shell is internally provided with a heating wire and filled with magnesium oxide, and the heating wire is electrically connected with an external first lead. The heat conductor, the heating body and the heat conducting hole solve the technical problem that heat loss occurs in the process that the heating body transmits heat to the heat conductor again, and the technical effect of improving the heat conducting performance and the use safety is achieved. The technical problem of insufficient contact area of the heating body and the liquid solder or the heat conductor in heat transfer is solved by the arrangement of the round holes and the heat diffusion holes, and the technical effect of improving the heat conductivity is achieved.
Description
The technical field is as follows:
the utility model relates to a heat exchange technology field, in particular to simulation heat source.
Background art:
the heat source is a device for transferring generated heat to other devices, apparatuses or objects, is a common device in chemical industry, petroleum industry, power industry, food industry and other industrial departments, and plays an important role in production. However, the technology is widely applied to the fields of computers, information technology and the like, and with the application of big data and 5G technology, the heat dissipation requirements of chips and the like in the computers are higher and higher. Generally, when a heat dissipation test is performed, a simulation heat source is used for replacing a chip to perform the test, however, the heat is transferred to a heat conductor through a heating body by the traditional simulation heat source, and then the heat is transferred through the heat conductor. However, the interface between the heating body and the heat conductor is too large at the joint of the heating body and the heat conductor due to the incomplete processing technology, and the heat transfer effect is further affected.
In view of this, the present invention is proposed.
The utility model has the following contents:
the utility model provides a can reduce calorific loss's simulation heat source, solve above-mentioned at least one technical problem at least.
The utility model provides a simulation heat source, include:
the heat conductor is provided with a heat conducting hole;
and the heating body is arranged in the heat conducting hole, and a solid brazing filler metal which is cooled and solidified by the liquid brazing filler metal is filled between the shell of the heating body and a gap of the heat conducting hole.
By adopting the scheme, the liquid brazing filler metal is poured into the casting mold, and then the casting mold is filled by utilizing the self fluidity; in terms of the filling capacity, namely the capacity that the liquid solder is filled with the cavity, the filling piece with accurate size and clear outline is obtained, the filling capacity of the liquid solder is far from the flowability of the heat-conducting silicone grease and the heat-conducting silica gel, when media with poor flowability such as the heat-conducting silicone grease and the heat-conducting silica gel are adopted, a large number of gaps between the heating body and the heat conductor cannot be filled, so that heat cannot be effectively transferred, and the liquid solder can fill gaps so that the heat can completely enter and exit the heating body through the gaps. In addition, after the heating body is inserted into the heat conduction hole, the volume of the heating body can occupy a part of the volume of the heat conduction hole, the rest volume, namely the gap between the heating body and the heat conductor, can be filled with the liquid brazing filler metal, and the liquid brazing filler metal can be solidified after being cooled and is cast and molded with the heating body and the heat conductor. In addition, the heat conductivity coefficient of metal is far greater than materials such as heat conduction silicone grease, heat conduction silica gel, can more effectively carry out heat transfer, reduce calorific loss.
During manufacturing, injecting a proper amount of liquid solder into the heat conducting hole, and then inserting the heating body into the heat conducting hole on the heat conductor until the liquid solder wraps the shell of the heating body; and finally, cooling the simulated heat source until the liquid brazing filler metal is solidified. The heating body can be used for gating a heating rod, and the shape and the specification of the heating body are matched with those of the heat conduction hole.
Preferably, the heat conduction hole includes a circular hole.
By adopting the scheme, the heat conduction holes can be blind holes which are through holes connecting the surface layer and the inner layer but not penetrating through the whole plate, a plurality of heat conduction holes can be arranged on the heat conductor at equal intervals, and the heat conductor can be made of metal with higher melting point such as copper blocks or iron blocks; when the blind hole is arranged, the liquid brazing filler metal can be smoothly poured in. The upper end of the round hole is arranged on one surface of the heat conductor, and the lower end of the round hole extends into the heat conductor. When the heat conduction hole 11 is a round hole, the heating body is made into a cylindrical heating rod shape, the diameter of the heating body is smaller than that of the heat conduction hole, edges are arranged at four corners of the square hole, and a curved surface contact surface presented by the round hole can be larger.
Specifically, the heat conduction hole further comprises a heat diffusion hole communicated with the bottom surface of the round hole.
By adopting the scheme, the heat diffusion holes can be used for expanding the contact area of heat conduction, the heat diffusion holes can be arranged in a hat shape, and the bottoms of the corresponding heat conduction rods can also be arranged in a hat shape matched with the heat conduction rods; compared with the arrangement of only the round hole, the round hole with the same depth is matched with the cap-shaped heat diffusion hole, so that the contact edge between the bottom surface and the heat conductor cannot be generated, and the arc-shaped curved surface is adopted for contact, so that the contact area is increased.
Further, the heating body shell is made of stainless steel, the liquid brazing filler metal is metal tin or metal bismuth or tin alloy, and the heat conductor 1 is metal copper or aluminum.
By adopting the scheme, the liquid brazing filler metal lower than the melting point of the heating body shell is selected, so that the heating body can be better protected, and the condition that the heating rod is damaged due to the fact that heat cannot be effectively dispersed is avoided.
Preferably, the heating body shell is internally provided with a heating wire filled with magnesium oxide, and the heating wire is electrically connected with an external first lead.
By adopting the scheme, the magnesium oxide has the effect of insulation and heat conduction, generates heat under the conduction of the current of the first lead wire through the electric heating wire, and is conducted to the heating body shell through the magnesium peroxide.
Furthermore, the simulation heat source also comprises a control and information acquisition system electrically connected with the electric heating wire, and the simulation heat source is also provided with a temperature sensing device electrically connected with the control and information acquisition system.
By adopting the scheme, the temperature sensing device can be arranged on the heating body and also can be arranged on the heat conductor, when the temperature value measured by the temperature sensing device is higher than or lower than the normal temperature, the display screen of the information acquisition system can display, the start button can be selected to be opened or the close button can be opened to disconnect and connect, and an alarm display can be arranged to give an early warning.
Preferably, the temperature sensing device is a thermocouple.
By adopting the scheme, the thermocouple is electrically connected with the control and information acquisition system through the second lead.
Preferably, the simulated heat source further comprises a fixing part integrally formed with the heat conductor, and the fixing part is used for fixing an object to be heated.
By adopting the scheme, direct hole opening on the heat conductor can be avoided, and the heat conductor is connected with an object to be heated, so that low heat dissipation efficiency caused by the hole opening is prevented.
Preferably, the fixing part is a fixing screw.
By adopting the scheme, the fixing screw rod can be directly connected and fixed with the threaded hole with the heating object, and the length and the position of the fixing screw rod can be set according to the object fixed by the batch belt.
Preferably, the fixing portion is a blocking piece, the blocking piece includes a first blocking piece fixedly connected with the heat conductor and a second blocking piece connected with the first blocking piece, and the second blocking piece is provided with a fixing hole.
With the above arrangement, the fixing can be achieved by the fixing member passing through the screw hole and the fixing hole of the object to be heated.
Preferably, the shell of the heating body can also adopt a silicon-carbon heating rod.
The utility model has the advantages that:
1. the heat conductor, the heating body and the heat conducting hole solve the technical problem that heat loss occurs in the process that the heating body transmits heat to the heat conductor again, and the technical effect of improving the heat conducting performance and the use safety is achieved.
2. The technical problem of insufficient contact area of the heating body and the liquid solder or the heat conductor in heat transfer is solved by the arrangement of the round holes and the heat diffusion holes, and the technical effect of improving the heat conductivity is achieved.
3. The technical problem that the heat conductor scatters and disappears because of the heat that the trompil produced has been solved in setting up of integrated into one piece's fixed part, has produced the technological effect that promotes the heat conductivility.
4. The control and information acquisition system solves the technical problem that the simulated heat source cannot be intelligently controlled, and the technical effect of improving the working efficiency and the safety performance is achieved.
5. The technical problem that the heating body cannot conduct heat in an insulating mode is solved by filling of the magnesium oxide, and the technical effect of improving use safety is achieved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a partial, pictorial illustration of FIG. 2;
FIG. 4 is a schematic view of another embodiment of the present invention;
FIG. 5 is a schematic view of another embodiment of the present invention;
FIG. 6 shows an embodiment of a fixing portion of the present invention;
fig. 7 is another embodiment of the fixing portion of the present invention.
Description of reference numerals:
through the above reference sign explanation, combine the embodiment of the utility model, can more clearly understand and explain the technical scheme of the utility model.
1-heat conductor, 11-heat conducting hole, 111-round hole, 112-heat diffusion hole, 2-liquid solder, 3-heating body, 4-first conducting wire, 5-control and information acquisition system, 51-alarm display, 52-display screen, 53-start button, 54-close button, 61-thermocouple, 62-second conducting wire, 71-fixing screw, 72-baffle, 721-first baffle, 722-second baffle and 7221-fixing hole.
The specific implementation mode is as follows:
reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The present invention will be described in detail below by way of embodiments.
Referring to fig. 1-3, the present invention also protects a simulated heat source comprising:
the heat conducting body 1 is provided with a heat conducting hole 11;
and the heating body 3 is arranged in the heat conduction hole 11, the shape of the heating body 3 is matched with that of the heat conduction hole 11, and a solid brazing filler metal which is cooled and solidified by the liquid brazing filler metal 2 is filled between the heating body shell and the gap of the heat conduction hole 11.
By adopting the scheme, the brazing filler metal refers to a metal material filler added in or beside the gap of the brazing filler metal for realizing the combination of two materials or parts, and the liquid brazing filler metal 2 refers to an indefinite and flowable state of the brazing filler metal, namely, a metal filler in a liquid state. After the liquid brazing filler metal 2 is poured into the casting mold, the casting mold is filled by utilizing the self fluidity; with regard to the mold filling capacity, that is, the liquid solder 2 is filled with the cavity, the capacity of obtaining a mold filling piece with accurate size and clear outline is obtained, the mold filling capacity of the liquid solder 2 is far from the flowability of the heat-conducting silicone grease and the heat-conducting silica gel, when media with poor flowability such as the heat-conducting silicone grease and the heat-conducting silica gel are adopted, a large number of gaps between the heating body 3 and the heat conductor 1 cannot be filled, so that heat cannot be effectively transferred, and the liquid solder 2 can fill gaps so that the heat can completely enter and exit the heating body 3 through the gaps. In addition, after the heating body 3 is inserted into the heat conduction hole 11, the volume of the heating body 3 occupies a part of the volume of the heat conduction hole 11, and the rest volume, namely, the gap between the heating body 3 and the heat conductor 1 is filled with the liquid brazing filler metal 2, and the liquid brazing filler metal 2 is solidified after being cooled and is cast and molded with the heating body 3 and the heat conductor 1. In addition, the heat conductivity coefficient of metal is far greater than materials such as heat conduction silicone grease, heat conduction silica gel, can more effectively carry out heat transfer, reduce calorific loss.
During manufacturing, firstly, injecting a proper amount of liquid solder 2 into the heat conducting hole 11, and then inserting the heating body 3 into the heat conducting hole 11 on the heat conductor 1 until the liquid solder 2 wraps the shell of the heating body; and finally, cooling the simulated heat source until the liquid brazing filler metal 2 is solidified. The heating body 3 can be used for gating a heating rod, the shape and the specification of the heating body are matched with those of the heat conduction holes 11, the technical problem that heat cannot be effectively transferred due to the gap between the heating body 3 and the heat conductor 1 is solved, and the technical effects of improving the heat conduction performance and reducing heat loss are achieved.
Referring to fig. 3, the heat conduction hole 11 includes a circular hole 111.
By adopting the scheme, the heat conduction holes 11 can be blind holes which are through holes connecting the surface layer and the inner layer but not penetrating through the whole plate, a plurality of heat conduction holes 11 can be arranged on the heat conductor 1 at equal intervals, and the heat conductor 1 can be made of metal with higher melting point such as copper blocks or iron blocks; when the blind hole is adopted, the liquid brazing filler metal 2 can be smoothly poured in. The upper end of the round hole 111 is arranged on one surface of the heat conductor 1, the lower end of the round hole is deep into the heat conductor, when the round hole 111 is adopted in the heat conductor 11, the heating body 3 is made into a cylindrical heating rod, the diameter of the heating body is smaller than that of the heat conductor 11, edges are arranged at four corners of the square hole, and a curved surface contact surface presented by the round hole can be larger, so that the contact area of heat conduction is increased, and further the integral heat conductivity is improved and the heat loss is reduced.
In some embodiments of the present invention, the heat conduction hole 11 further includes a heat diffusion hole 112 penetrating the bottom surface of the circular hole 111.
By adopting the scheme, the heat diffusion holes 12 can be used for expanding the contact area of heat conduction, the heat diffusion holes 112 can be in a hat shape, and the bottoms of the corresponding heat conduction rods can also be in a hat shape matched with the heat conduction rods; compare only the setting of round hole 111, the round hole 111 of the same degree of depth and the cooperation setting of the heat diffusion hole 112 of cap shape can not produce the contact arris of bottom surface and heat conductor 1, and what replace adopts the arc curved surface to contact to increased area of contact, and then promoted holistic heat conductivity, reduced calorific loss.
In some embodiments of the present invention, the housing of the heating body 3 is made of stainless steel, the liquid solder 2 is made of tin or bismuth or tin alloy, and the heat conductor 1 is made of copper or aluminum.
By adopting the scheme, the liquid brazing filler metal 2 lower than the melting point of the shell of the heating body 3 is selected, so that the heating body 3 can be better protected, and the condition that the heating rod is damaged due to the fact that heat cannot be effectively dispersed is avoided.
In some embodiments of the present invention, the heater case is internally provided with a heating wire filled with magnesium oxide, and the heating wire is electrically connected to the external first wire 4.
By adopting the scheme, the arrangement mode of the heating body 3 is provided, the magnesium oxide has the effect of insulation and heat conduction, the heating is carried out by the electric heating wire under the transmission of the current of the first lead wire 4, and the magnesium oxide is transmitted to the shell of the heating body 3.
Referring to fig. 5, the simulation heat source further includes a control and information acquisition system 5 electrically connected to the heating wire, and the simulation heat source is further provided with a temperature sensing device electrically connected to the control and information acquisition system 5.
By adopting the above scheme, the temperature sensing device can be arranged on the heating body 3 or on the heat conductor 1, when the temperature value measured by the temperature sensing device is higher or lower than the normal temperature, the display screen 52 of the information acquisition system 5 can display, and meanwhile, the start button 53 or the close button 54 can be selected to be opened to disconnect and connect, and the alarm display 51 can be arranged to give an early warning.
Referring to fig. 5, the temperature sensing means is a thermocouple 61.
By adopting the above scheme, the thermocouple 61 is electrically connected with the control and information acquisition system 5 through the second lead 62.
In some embodiments of the present invention, the simulated heat source further comprises a fixing part integrally formed with the heat conductor 1, wherein the fixing part is used for fixing an object to be heated.
By adopting the scheme, direct hole opening on the heat conductor 1 can be avoided, and the heat conductor is connected with an object to be heated, so that low heat dissipation efficiency caused by the hole opening is prevented.
Referring to fig. 6, the fixing portion is a fixing screw 71.
With the above arrangement, the fixing screw 71 can be directly fixed in connection with the threaded hole of the object to be heated, and the length and position of the fixing screw can be set according to the object to be fixed in the batch of tapes.
Referring to fig. 7, the fixing portion is a blocking piece 72, the blocking piece 72 includes a first blocking piece 721 fixedly connected to the heat conductor 1, and a second blocking piece 722 connected to the first blocking piece 721, and the second blocking piece 722 is provided with a fixing hole 7221.
With the above-described configuration, the fixing can be achieved by the fixing member passing through the screw hole of the object to be heated and the fixing hole 7221.
In some other embodiments of the present invention, the housing of the heating body may further adopt a silicon carbon heating rod.
It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall into the protection scope of the claims of the present invention.
Claims (10)
1. A simulated heat source, comprising:
the heat conducting body (1), the heat conducting body (1) is provided with a heat conducting hole (11);
the heating body (3) is arranged in the heat conduction hole (11), and a solid brazing filler metal which is cooled and solidified through the liquid brazing filler metal (2) is filled between the shell of the heating body (3) and a gap of the heat conduction hole (11).
2. A simulated heat source as claimed in claim 1, wherein: the heat conduction hole (11) includes a circular hole (111).
3. A simulated heat source as claimed in claim 2, wherein: the heat conduction hole (11) also comprises a heat diffusion hole (112) which is communicated with the bottom surface of the round hole (111).
4. A simulated heat source according to any of claims 1-3, wherein: the shell of the heating body is made of stainless steel, the liquid brazing filler metal (2) is metal tin or metal bismuth or tin alloy, and the heat conductor (1) is metal copper or aluminum.
5. A simulated heat source as claimed in claim 4, wherein: the heating body shell is internally provided with an electric heating wire filled with magnesium oxide, and the electric heating wire is electrically connected with an external first lead (4).
6. A simulated heat source as claimed in claim 5, wherein: the simulation heat source further comprises a control and information acquisition system (5) electrically connected with the first lead (4), and the simulation heat source is further provided with a temperature sensing device electrically connected with the control and information acquisition system (5).
7. A simulated heat source as claimed in claim 6, wherein: the temperature sensing device is a thermocouple (61).
8. A simulated heat source as claimed in claim 7, wherein: the simulated heat source also comprises a fixing part which is integrally formed with the heat conductor (1), and the fixing part is used for fixing an object to be heated.
9. A simulated heat source as claimed in claim 8, wherein: the fixing part is a fixing screw rod (71).
10. A simulated heat source as claimed in claim 9, wherein: the fixing portion is a baffle plate (72), the baffle plate (72) comprises a first baffle plate (721) fixedly connected with the heat conductor (1) and a second baffle plate (722) connected with the first baffle plate (721), and the second baffle plate (722) is provided with a fixing hole (7221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022032856.0U CN212321493U (en) | 2020-09-16 | 2020-09-16 | Simulated heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022032856.0U CN212321493U (en) | 2020-09-16 | 2020-09-16 | Simulated heat source |
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| CN212321493U true CN212321493U (en) | 2021-01-08 |
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| CN202022032856.0U Active CN212321493U (en) | 2020-09-16 | 2020-09-16 | Simulated heat source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092151A (en) * | 2021-04-07 | 2021-07-09 | 南京艾德恒信科技有限公司 | Dot-matrix heat source simulation device |
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2020
- 2020-09-16 CN CN202022032856.0U patent/CN212321493U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092151A (en) * | 2021-04-07 | 2021-07-09 | 南京艾德恒信科技有限公司 | Dot-matrix heat source simulation device |
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