CN112683387A - Abnormal sound detection equipment for working of heat pipe - Google Patents
Abnormal sound detection equipment for working of heat pipe Download PDFInfo
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- CN112683387A CN112683387A CN202110003361.1A CN202110003361A CN112683387A CN 112683387 A CN112683387 A CN 112683387A CN 202110003361 A CN202110003361 A CN 202110003361A CN 112683387 A CN112683387 A CN 112683387A
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 159
- 230000001133 acceleration Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 54
- 229910052802 copper Inorganic materials 0.000 claims description 54
- 239000010949 copper Substances 0.000 claims description 54
- 239000000919 ceramic Substances 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 210000005069 ears Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
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Abstract
The invention discloses abnormal sound detection equipment for a heat pipe during working, which is used for detecting the heat pipe and comprises a case, a rotary driving component, a detection platform, a support plate component, a heating component, a pressure head component, two piezoelectric acceleration sensors, a temperature sensor and a three-moving mechanism, wherein the moving mechanism comprises a linear guide rail, a rodless cylinder and a guide moving block, the two piezoelectric acceleration sensors are respectively arranged on the other two guide moving blocks through sensor connecting pieces, each sensor connecting piece comprises a guide pillar, a spring and a sensor mounting block, and the piezoelectric acceleration sensors are arranged on the sensor mounting blocks. The invention adopts the piezoelectric acceleration sensor to collect the data of the heat pipe in the heating, radiating and rotating processes, thereby rapidly and accurately detecting the vibration of the heat pipe, saving manpower and reducing the manual strength.
Description
Technical Field
The invention belongs to the technical field of heat pipe detection, and particularly relates to abnormal sound detection equipment for a heat pipe during working.
Background
The heat radiator is characterized in that a central processing unit is arranged inside electronic equipment such as a notebook computer, a desktop computer and the like, the central processing unit has large heat productivity, the heat is required to be timely radiated by using the heat radiator, and the core component of the heat radiator is a heat pipe. The inside of the heat pipe is high heat-conducting liquid, and due to some physical and chemical reactions between the high heat-conducting liquid and the heat pipe, vibration is generated on part of the heat pipe, which is called as a bad heat pipe. The vibration of the bad heat pipe can generate abnormal sound, so that the abnormal sound is heard by human ears, and the use experience of people is influenced.
At present, the detection of the bad heat pipe is carried out by human ears, and the bad heat pipe is judged by hearing the noise generated by the heat pipe. The detection mode has great manpower requirement, and one heat pipe can be finally judged after 6 times of detection. Moreover, people concentrate on listening to abnormal sounds for a long time, and can consume huge energy, so that people are tired, and misjudgment is caused.
Therefore, a device for detecting abnormal noise during operation of a heat pipe with high detection accuracy is needed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides equipment for detecting abnormal sound during the working of a heat pipe.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides abnormal sound detection equipment for a heat pipe during working, which is used for detecting the heat pipe and comprises a case, a rotary driving component, a detection platform, a support plate component, a heating component, a pressure head component, two piezoelectric acceleration sensors, a temperature sensor and a three-moving mechanism, wherein the rotary driving component is arranged on an installation frame of the case, and the output end of the rotary driving component is in transmission connection with the detection platform and is used for driving the detection platform to rotate; the support plate assembly is arranged on the detection platform and used for installing the heat pipe; the heating assembly is arranged on the carrier plate assembly, and the upper surface of the heating assembly is in contact connection with the heat pipe; the temperature sensor is arranged on the support plate assembly;
the moving mechanism comprises a linear guide rail, a rodless cylinder and a guide moving block, the linear guide rail and the rodless cylinder are vertically arranged on the detection platform, and the guide moving block is arranged on a magnetic ring sleeve of the rodless cylinder and is also arranged with the linear guide rail in a sliding manner;
the pressure head assembly is arranged on one of the guide moving blocks and is positioned above the carrier plate assembly, and the pressure head assembly is used for pressing the heat pipe and the heating assembly together;
the two piezoelectric acceleration sensors are respectively arranged on the other two guide moving blocks through sensor connecting pieces, each sensor connecting piece comprises a guide pillar, a spring and a sensor mounting block, the guide pillars are movably arranged in the vertical through holes of the guide moving blocks, a limiting head is arranged at the top of each guide pillar, the bottom of each guide pillar is connected with the sensor mounting block, the springs are sleeved on the guide pillars and located between the guide moving blocks and the sensor mounting blocks, and the piezoelectric acceleration sensors are arranged on the sensor mounting blocks.
As a preferred technical scheme of the invention, the rotary driving assembly comprises a servo motor, a speed reducer and a synchronous belt, wherein the output end of the servo motor is electrically connected with the input end of the speed reducer, and the output end of the speed reducer is in transmission connection with the detection platform through the synchronous belt.
As a preferred technical scheme of the present invention, the carrier plate assembly includes a carrier plate body, heat pipe positioning pins and a heat dissipation fan, the carrier plate body is horizontally installed on the detection platform, the heat pipe positioning pins are installed at the left and right ends of the carrier plate body, the left and right ends of the heat pipe are sleeved on the heat pipe positioning pins, and the heat dissipation fan is installed on the carrier plate body and located at one side of the heat pipe.
As a preferred technical scheme of the present invention, the heating assembly includes a first heating assembly and a second heating assembly located below the heat pipe, the first heating assembly includes a first heating cover plate, a first lower heating copper plate, a first ceramic heating plate, a first upper heating copper plate, a first heating connecting wire and a first thermocouple assembly, the first lower heating copper plate, the first ceramic heating plate and the first upper heating copper plate are stacked on the carrier plate body from bottom to top and form the CPU heating assembly, and the first heating cover plate is mounted on an upper surface of the CPU heating assembly so as to fix the CPU heating assembly on the carrier plate body; the output end of the first heating connecting line is electrically connected with the first ceramic heating plate, and the input end of the first heating connecting line is electrically connected with the temperature controller;
the first lower heating copper plate and the first ceramic heating plate are of plate-shaped structures with set length, width and height, the first upper heating copper plate comprises a first upper heating plate and more than one copper column, the first upper heating plate is of a plate-shaped structure with set length, width and height, the copper columns are arranged on the first upper heating plate, any side of each copper column is provided with a first temperature control mounting groove, the first thermocouple assembly is mounted in the first temperature control mounting groove, and the upper surface of each copper column is in contact connection with the heat pipe;
the second heating assembly comprises a second heating cover plate, a second lower heating copper plate, a second ceramic heating plate, a second upper heating copper plate, a second heating connecting wire and a second thermocouple assembly, the second lower heating copper plate, the second ceramic heating plate and the second upper heating copper plate are laminated on the carrier plate body from bottom to top to form the GPU heating assembly, and the second heating cover plate is arranged on the upper surface of the GPU heating assembly so as to fix the GPU heating assembly on the carrier plate body; the output end of the second heating connecting line is electrically connected with the second ceramic heating plate, and the input end of the second heating connecting line is electrically connected with the temperature controller;
the second lower heating copper plate, the second ceramic heating plate and the second upper heating copper plate are of plate-shaped structures with long, wide and high widths, a second temperature control mounting groove is formed in any side of the second upper heating copper plate, the second thermocouple assembly is mounted in the second temperature control mounting groove, and the second upper heating copper plate is in contact connection with the heat pipe.
As a preferred technical scheme of the invention, a code scanning gun is arranged on the detection platform and above the carrier plate assembly.
The invention has the beneficial effects that: compared with the prior art, the invention adopts the piezoelectric acceleration sensor to collect the data of the heat pipe in the heating, radiating and rotating processes, thereby rapidly and accurately detecting the vibration of the heat pipe, saving manpower and reducing the manual strength.
Drawings
FIG. 1 is a schematic view of the overall structure of the abnormal sound detection device of the present invention during operation of a heat pipe.
FIG. 2 is a schematic diagram of a partial enlarged structure of the abnormal sound detection device during operation of the heat pipe according to the present invention.
FIG. 3 is a schematic structural diagram of a sensor connector in the abnormal sound detection device according to the present invention.
Fig. 4 is a schematic structural diagram of a first view angle of a mounting bracket in the abnormal sound detection device when the heat pipe works according to the present invention.
Fig. 5 is a schematic structural diagram of a second view angle of the mounting frame in the abnormal sound detection apparatus according to the present invention when the heat pipe operates.
Fig. 6 is a schematic structural diagram of a third view angle of the mounting frame in the abnormal sound detection apparatus according to the present invention when the heat pipe operates.
Fig. 7 is a schematic structural diagram of a carrier plate assembly in the abnormal sound detection device during operation of the heat pipe according to the present invention.
Fig. 8 is a schematic structural diagram of a heating element in the abnormal sound detection device when the heat pipe works according to the present invention.
Fig. 9 is an enlarged schematic structural diagram of a heating element in the abnormal sound detection device when the heat pipe works according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In the description of the present invention, it should be understood that the terms "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1 in the drawings of the specification, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
In order to achieve the purpose of the present invention, as shown in fig. 1 to 9, in one embodiment of the present invention, a device for detecting abnormal noise during operation of a heat pipe is provided, which is used for detecting the heat pipe, and includes a case 1, a rotation driving component 2, a detection platform 3, a support plate component 4, a heating component 5, a pressure head component 6, a two-piezoelectric acceleration sensor 7, a temperature sensor, and a three-movement mechanism 8, wherein the rotation driving component 2 is installed on an installation frame of the case 1, and an output end of the rotation driving component is in transmission connection with the detection platform 3 for driving the detection platform 3 to rotate; the support plate component 4 is arranged on the detection platform 3 and is used for installing a heat pipe; the heating component 5 is arranged on the carrier plate component 4, and the upper surface of the heating component is in contact connection with the heat pipe; the temperature sensor is arranged on the support plate assembly;
as shown in fig. 2, the moving mechanism 8 includes a linear guide rail 81, a rodless cylinder 82 and a guiding moving block 83, the linear guide rail 81 and the rodless cylinder 82 are vertically installed on the detection platform 3, and the guiding moving block 83 is installed on a magnetic ring sleeve of the rodless cylinder 82 and is also arranged in a sliding manner with the linear guide rail 81;
the pressure head assembly 6 is arranged on one of the guide moving blocks 83 and is positioned above the carrier plate assembly 4, the pressure head assembly is of a cylindrical structure and is used for pressing the heat pipe and the heating assembly 5 together;
as shown in fig. 3, the two piezoelectric acceleration sensors 7 are respectively disposed on the other two guide moving blocks 83 through sensor connectors, each sensor connector includes a guide pillar 71, a spring 72 and a sensor mounting block 73, the guide pillar 71 is movably disposed in a vertical through hole of the guide moving block 83, a stopper is disposed on a top of the guide pillar 71, a bottom of the guide pillar 71 is connected to the sensor mounting block 73, the spring 72 is sleeved on the guide pillar 71 and located between the guide moving block 83 and the sensor mounting block 73, and the piezoelectric acceleration sensor 8 is disposed on the sensor mounting block 73.
Specifically, as shown in fig. 4 to 6, the rotation driving assembly 2 includes a servo motor, a speed reducer and a synchronous belt, an output end of the servo motor is electrically connected to an input end of the speed reducer, and an output end of the speed reducer is in transmission connection with the detection platform 3 through the synchronous belt.
Specifically, as shown in fig. 7, the carrier plate assembly 4 includes a carrier plate body 41, heat pipe positioning pins 42 and a heat dissipation fan 43, the carrier plate body 41 is horizontally installed on the detection platform 3, the heat pipe positioning pins 42 are installed at the left and right ends of the carrier plate body 41, the left and right ends of the heat pipe are sleeved on the heat pipe positioning pins 42, and the heat dissipation fan 43 is installed on the carrier plate body 41 and located at one side of the heat pipe.
Specifically, as shown in fig. 8 to 9, the heating assembly 5 includes a first heating assembly 51 and a second heating assembly 52 located below the heat pipe, the first heating assembly 51 includes a first heating cover plate, a first lower heating copper plate, a first ceramic heating plate 511, a first upper heating copper plate 512, a first heating connection line 513 and a first thermocouple assembly, the first lower heating copper plate, the first ceramic heating plate 511 and the first upper heating copper plate 512 are stacked on the carrier body from bottom to top and constitute the CPU heating assembly, and the first heating cover plate is mounted on the upper surface of the CPU heating assembly so as to fix the CPU heating assembly on the carrier body; the output end of the first heating connecting line 513 is electrically connected with the first ceramic heating plate 511, and the input end of the first heating connecting line 513 is electrically connected with the temperature controller;
the first lower heating copper plate and the first ceramic heating plate 511 are of plate-shaped structures with set length, width and height, the first upper heating copper plate 512 comprises a first upper heating plate and more than one copper column, the first upper heating plate is of a plate-shaped structure with set length, width and height, the copper columns are arranged on the first upper heating plate, any side edge of each copper column is provided with a first temperature control mounting groove, a first thermocouple assembly is mounted in the first temperature control mounting groove, and the upper surfaces of the copper columns are in contact connection with the heat pipe;
the second heating assembly 52 comprises a second heating cover plate, a second lower heating copper plate, a second ceramic heating plate 521, a second upper heating copper plate 522, a second heating connecting wire 523 and a second thermocouple assembly, wherein the second lower heating copper plate, the second ceramic heating plate 521 and the second upper heating copper plate 522 are stacked on the carrier plate body from bottom to top to form the GPU heating assembly, and the second heating cover plate is mounted on the upper surface of the GPU heating assembly to fix the GPU heating assembly on the carrier plate body; the output end of the second heating connecting line 523 is electrically connected with the second ceramic heating plate 521, and the input end of the second heating connecting line 523 is electrically connected with the temperature controller;
the second lower heating copper plate, the second ceramic heating plate 521 and the second upper heating copper plate 522 are of a plate-shaped structure with length, width and height, a second temperature control mounting groove is formed in any side of the second upper heating copper plate 522, the second thermocouple assembly is mounted in the second temperature control mounting groove, and the second upper heating copper plate is in contact connection with the heat pipe.
Specifically, the upper side of the support plate assembly on the detection platform is also provided with a code scanning gun, and the code scanning gun can scan a bar code or a two-dimensional code on the obtained heat pipe, so that the information of the heat pipe can be managed conveniently.
The working principle of the present invention is further explained below, which specifically comprises the following steps:
s1, sleeving two ends of the heat pipe on the heat pipe locating pins, and then moving the rodless cylinder of one of the moving mechanisms downwards to drive the driving pressure head assembly to move downwards so as to press the heat pipe on the heating assembly;
s2, the rodless cylinders driven by the other two moving mechanisms move downwards to drive the piezoelectric acceleration sensor to be in contact with the heat pipe, and the springs are sleeved on the guide posts and located between the guide moving block and the sensor mounting block, so that other parts cannot interfere with the piezoelectric acceleration sensor to influence the piezoelectric acceleration sensor, and the detection accuracy is improved;
s3, heating the heating assembly to simulate the working state of the heat pipe, and then driving the detection mounting table to rotate by the servo motor so as to drive the heat pipe to rotate;
and S5, after the piezoelectric acceleration sensor finishes acquisition, the moving mechanism moves upwards to move the pressure head assembly and the piezoelectric acceleration sensor away, and detection is finished.
The invention adopts the piezoelectric acceleration sensor to collect the data of the heat pipe in the heating, radiating and rotating processes, thereby rapidly and accurately detecting the vibration of the heat pipe, saving manpower and reducing the manual strength.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A heat pipe during operation abnormal sound detection device is used for detecting a heat pipe and is characterized by comprising a case (1), a rotary driving component (2), a detection platform (3), a support plate component (4), a heating component (5), a pressure head component (6), two piezoelectric acceleration sensors (7), a temperature sensor and a three-movement mechanism (8), wherein the rotary driving component (2) is installed on an installation frame of the case (1), and the output end of the rotary driving component is in transmission connection with the detection platform (3) and is used for driving the detection platform (3) to rotate; the support plate assembly (4) is arranged on the detection platform (3) and is used for installing a heat pipe; the heating component (5) is arranged on the carrier plate component (4) and the upper surface of the heating component is in contact connection with the heat pipe; the temperature sensor is arranged on the support plate assembly;
the moving mechanism (8) comprises a linear guide rail (81), a rodless cylinder (82) and a guide moving block (83), the linear guide rail (81) and the rodless cylinder (82) are vertically arranged on the detection platform (3), and the guide moving block (83) is arranged on a magnetic ring sleeve of the rodless cylinder (82) and is also arranged with the linear guide rail (81) in a sliding manner;
the pressure head assembly (6) is arranged on one of the guide moving blocks (83) and is positioned above the carrier plate assembly (4), and the pressure head assembly is used for pressing the heat pipe and the heating assembly (5) together;
the two piezoelectric acceleration sensors (7) are respectively arranged on the other two guide moving blocks (83) through sensor connecting pieces, each sensor connecting piece comprises a guide pillar (71), a spring (72) and a sensor mounting block (73), the guide pillars (71) are movably arranged in vertical through holes of the guide moving blocks (83), limiting heads are arranged at the tops of the guide pillars (71), the bottoms of the guide pillars (71) are connected with the sensor mounting blocks (73), the springs (72) are sleeved on the guide pillars (71) and located between the guide moving blocks (83) and the sensor mounting blocks (73), and the piezoelectric acceleration sensors (8) are arranged on the sensor mounting blocks (73).
2. The abnormal sound detection equipment during the operation of the heat pipe according to claim 1, wherein the rotary driving assembly (2) comprises a servo motor, a speed reducer and a synchronous belt, the output end of the servo motor is electrically connected with the input end of the speed reducer, and the output end of the speed reducer is in transmission connection with the detection platform (3) through the synchronous belt.
3. The equipment for detecting the abnormal noise during the operation of the heat pipe according to claim 1, wherein the carrier plate assembly (4) comprises a carrier plate body (41), heat pipe positioning pins (42) and a heat dissipation fan (43), the carrier plate body (41) is horizontally installed on the detection platform (3), the heat pipe positioning pins (42) are installed at the left end and the right end of the carrier plate body (41), the left end and the right end of the heat pipe are sleeved on the heat pipe positioning pins (42), and the heat dissipation fan (43) is installed on the carrier plate body (41) and located at one side of the heat pipe.
4. The abnormal sound detection equipment during the operation of the heat pipe according to claim 1, wherein the heating assembly (5) comprises a first heating assembly (51) and a second heating assembly (52) which are positioned below the heat pipe, the first heating assembly (51) comprises a first heating cover plate, a first lower heating copper plate, a first ceramic heating plate (511), a first upper heating copper plate (512), a first heating connecting wire (513) and a first thermocouple assembly, the first lower heating copper plate, the first ceramic heating plate (511) and the first upper heating copper plate (512) are stacked on the carrier plate body from bottom to top and form the CPU heating assembly, and the first heating cover plate is mounted on the upper surface of the CPU heating assembly so as to fix the CPU heating assembly on the carrier plate body; the output end of the first heating connecting line (513) is electrically connected with the first ceramic heating plate (511), and the input end of the first heating connecting line (513) is electrically connected with the temperature controller;
the first lower heating copper plate and the first ceramic heating plate (511) are of plate-shaped structures with set length, width and height, the first upper heating copper plate (512) comprises a first upper heating plate and more than one copper column, the first upper heating plate is of a plate-shaped structure with set length, width and height, the copper columns are arranged on the first upper heating plate, a first temperature control mounting groove is formed in any side edge of each copper column, the first thermocouple assembly is mounted in the first temperature control mounting groove, and the upper surface of each copper column is in contact connection with the heat pipe;
the second heating assembly (52) comprises a second heating cover plate, a second lower heating copper plate, a second ceramic heating plate (521), a second upper heating copper plate (522), a second heating connecting wire (523) and a second thermocouple assembly, the second lower heating copper plate, the second ceramic heating plate (521) and the second upper heating copper plate (522) are stacked on the carrier plate body from bottom to top to form the GPU heating assembly, and the second heating cover plate is mounted on the upper surface of the GPU heating assembly so as to fix the GPU heating assembly on the carrier plate body; the output end of the second heating connecting line (523) is electrically connected with the second ceramic heating plate (521), and the input end of the second heating connecting line (523) is electrically connected with the temperature controller;
the second lower heating copper plate, the second ceramic heating plate (521) and the second upper heating copper plate (522) are of a plate-shaped structure with length, width and height, a second temperature control mounting groove is formed in any side of the second upper heating copper plate (522), the second thermocouple assembly is mounted in the second temperature control mounting groove, and the second upper heating copper plate is in contact connection with the heat pipe.
5. The abnormal sound detection equipment during the operation of the heat pipe according to claim 1, wherein a code scanning gun is arranged on the detection platform (3) and above the carrier plate assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110003361.1A CN112683387A (en) | 2021-01-04 | 2021-01-04 | Abnormal sound detection equipment for working of heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110003361.1A CN112683387A (en) | 2021-01-04 | 2021-01-04 | Abnormal sound detection equipment for working of heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112683387A true CN112683387A (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110003361.1A Pending CN112683387A (en) | 2021-01-04 | 2021-01-04 | Abnormal sound detection equipment for working of heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112683387A (en) |
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2021
- 2021-01-04 CN CN202110003361.1A patent/CN112683387A/en active Pending
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Application publication date: 20210420 |