Heat flow meter clamp capable of defrosting and conveniently adjusting size
By designing a heat flow meter fixture that includes snap-fit connectors, a gas distribution chamber, and an exhaust gas separation chamber, the problems of fixture frosting and size adjustment were solved, enabling efficient testing under low-temperature conditions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-10
AI Technical Summary
Existing heat flow meter fixtures are prone to frosting under low-temperature conditions, which affects testing accuracy and efficiency. At the same time, it is difficult to quickly adjust the size to adapt to different testing needs.
A clamp structure was designed, comprising a snap-fit connector, a gas distribution chamber, an exhaust gas separation chamber, and a gas buffer chamber. Equipped with a defrosting air pipe and a heat insulation layer, it can effectively prevent condensation droplets and allow for quick replacement of the air blowing head.
It prevents the fixture from frosting under low-temperature conditions, ensuring testing accuracy and efficiency, while also allowing for quick replacement of the air blowing head to adapt to different testing requirements.
Smart Images
Figure CN224108949U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat flow meter detection technical field, especially relates to a heat flow meter clamp that defrosting is convenient to adjust size. BACKGROUND
[0002] 5G devices usually have higher power density, leading to serious heating problems. Heat flow meters can be used to test heat dissipation solutions, such as heat sinks, heat-conductive materials. Need to ensure the stability of the device under high load, prevent overheating affecting performance or life. Need heat flow meter to monitor heat distribution, optimize heat dissipation design.
[0003] In the chip manufacturing and packaging process of semiconductor chips, temperature control is very critical. Heat flow meters can be used in the test phase to measure the thermal characteristics of chips, such as thermal resistance, heat dissipation capacity. This is particularly important for high-performance chips such as CPUs, GPUs, to ensure they do not overheat under high load. In addition, advanced packaging technologies such as 3D packaging may require more precise thermal management, and heat flow meters can help analyze interlayer heat conduction.
[0004] In the field of sensors, especially temperature sensors, heat flow meters are needed for calibration and testing. The miniaturization and high precision of sensors require strict temperature environment control, and heat flow meters can provide stable heat flow conditions to ensure sensor accuracy. In addition, certain sensors such as MEMS require thermal property testing during the manufacturing process, and heat flow meters also have applications here.
[0005] Heat flow meters are widely used in 5G communication, semiconductor chips, sensors, etc. In the shortest time, detect the chemical changes and physical damage caused by high and low temperature cold and hot impact on the sample, reduce the test and verification time, quickly improve the product development and production efficiency. In order to improve its flexibility, expand its use scene and application field, it is necessary to design a heat flow meter clamp that prevents frost and is convenient to adjust size. INVENTION CONTENT
[0006] The utility model discloses a heat flow meter clamp that defrosting is convenient to adjust size, and the heat preservation layer can effectively prevent the condensate drops of the outer surface of the clamp due to low temperature, and can separate the used gas from the gas buffer cavity and discharge it to the outside of the clamp, and can also replace the different size and shape of the air blowing head according to the test requirement conveniently and quickly, and the actual application is reliable, and the structure is simple.
[0007] The above technical purpose of the utility model is realized by the following technical scheme:
[0008] The utility model provides a defrosting and size-adjustable hot flow instrument clamp, characterized by comprising from top to bottom a buckle joint connected by a screw, a gas distribution cavity, a waste gas separation cavity and a gas buffer cavity, the buckle joint is connected with a hot flow instrument clamp, the buckle joint, the gas distribution cavity, the waste gas separation cavity and the gas buffer cavity are communicated with each other, the side wall of the gas distribution cavity is externally communicated with a defrosting gas pipe, the gas buffer cavity is externally communicated with an exhaust pipe, and the bottom of the gas buffer cavity is connected with a blowing head.
[0009] Preferably, the gas distribution cavity, the waste gas separation cavity and the gas buffer cavity are all hollow cylinders.
[0010] Preferably, the connecting plates at the connecting positions of the gas distribution cavity, the waste gas separation cavity and the gas buffer cavity are all provided with a communication port.
[0011] Preferably, the defrosting gas pipes are provided with four groups, the four groups of defrosting gas pipes are arranged in a ring array at equal intervals on the side wall of the gas distribution cavity, and the communication ports of the four groups of defrosting gas pipes and the side wall of the gas distribution cavity are all horizontally centered.
[0012] Preferably, the defrosting gas pipes are bamboo joint pipe type.
[0013] Preferably, the blowing head comprises a connecting part and a blowing part which are communicated with each other, the connecting part is sealingly and fixedly connected with the communication port of the connecting plate in the gas buffer cavity, and the size and shape of the blowing part can be replaced according to test requirements.
[0014] Preferably, the outer walls of the waste gas separation cavity, the gas buffer cavity and the exhaust pipe are all wrapped with a heat insulation layer.
[0015] Preferably, the connecting plate of the waste gas separation cavity is provided with a communication chamber on the upper side of the communication port, one end of the exhaust pipe penetrates the waste gas separation cavity and is communicated with one side of the communication chamber, and the bottom of the communication chamber penetrates the connecting plate and is communicated with the gas buffer cavity.
[0016] In summary, the utility model has the following beneficial effects:
[0017] The heat insulation layer can effectively prevent the generation of condensate drops on the outer surface of the clamp due to low temperature, thereby preventing external frosting, and the defrosting bamboo joint pipe always blows out normal temperature gas from different angles to the blowing head in the working state, thereby preventing the generation of condensate drops on the surface of the blowing head due to low temperature.
[0018] The utility model can separate the used gas from the gas buffer cavity and discharge it outside the clamp, thereby avoiding excessive internal pressure.
[0019] The gas buffer cavity can avoid the impact of gas on the test product, can make the heating or cooling more uniform, can conveniently and quickly replace the blow head with different sizes and shapes according to the test requirement, is reliable in practical application, and has a simple structure. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a whole structure schematic view of the utility model;
[0021] Figure 2 is an internal structure schematic view of the utility model. DETAILED DESCRIPTION
[0022] Embodiments of the present application will now be described in more detail, by way of example, with reference to the drawings. Although embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application will be more thoroughly and completely conveyed to those skilled in the art, and the scope of the present application will be fully conveyed to those skilled in the art.
[0023] The term "comprising" and variations thereof as used herein are intended to cover a non-exclusive inclusion, i.e. "including, but not limited to". Unless specifically stated, the term "or" means "and / or". The term "based on" means "based, at least in part, on". The terms "one example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", and the like can refer to different or identical objects. Other explicit and implicit definitions can also be included below.
[0024] As Figure 1 and 2 shown in the drawings, a defrosting and size-adjustable heat flow meter clamp includes, from top to bottom, a buckle joint 1 connected by a screw, a gas distribution cavity 2, a waste gas separation cavity 3 and a gas buffer cavity 4. The buckle joint 1 is connected with the heat flow meter clamp. The buckle joint 1, the gas distribution cavity 2, the waste gas separation cavity 3 and the gas buffer cavity 4 are all in communication with each other. The side wall of the gas distribution cavity 2 is externally connected with a defrosting gas pipe 5. The gas buffer cavity 4 is externally connected with an exhaust pipe 6. The bottom of the gas buffer cavity 4 is connected with a blow head.
[0025] The gas distribution cavity 2, the waste gas separation cavity 3 and the gas buffer cavity 4 are all hollow cylinders.
[0026] The connection between the gas distribution cavity 2, the waste gas separation cavity 3 and the gas buffer cavity 4 is provided with a connecting plate 8, and the center of the connecting plate 8 is provided with a communication port 9.
[0027] The defrosting air pipes 5 are provided with four groups, the four groups of defrosting air pipes 5 are arranged in a ring array and equidistantly arranged on the side wall of the gas distribution cavity 2, the connecting ports of the four groups of defrosting air pipes 5 and the side wall of the gas distribution cavity 2 are horizontally and centrally arranged, and the defrosting air pipes 5 are in the form of a bamboo joint pipe.
[0028] The air blowing head comprises the connecting portion 10 and the air blowing portion 11 which are communicated with each other, the connecting portion 10 is sealingly and fixedly arranged on the communicating port 9 of the connecting plate 8 in the gas buffer cavity 4, and the air blowing portion 11 is replaced according to the test requirement.
[0029] The outer walls of the waste gas separation cavity 3, the gas buffer cavity 4 and the exhaust pipe 6 are wrapped with the heat insulation layer 7.
[0030] The connecting plate 8 of the waste gas separation cavity 3 is provided with the communicating chamber 12 on the upper side of the communicating port 9, one end of the exhaust pipe 6 penetrates the waste gas separation cavity 3 and communicates with one side of the communicating chamber 12, and the bottom of the communicating chamber 12 penetrates the connecting plate 8 and communicates with the gas buffer cavity 4.
[0031] The heat insulation layer can effectively prevent the fixture from generating condensate drops due to low temperature on the outer surface, so that the external frosting is avoided, and the defrosting bamboo joint pipe is always blown by normal temperature gas from different angles to the air blowing head in the working state, so that the condensate drops on the surface of the air blowing head are prevented.
[0032] The used gas can be separated from the gas buffer cavity and discharged to the outside of the fixture, so that the internal pressure is prevented from being too high.
[0033] The gas buffer cavity can avoid the impact of the gas on the test product, make the heating or cooling more uniform, replace the air blowing head of different sizes and shapes according to the test requirement, and is reliable in practical application and simple in structure.
[0034] The above has described the embodiments of the present disclosure, and those skilled in the art should understand that the above description is only exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles, practical applications or improvements of the prior art of the embodiments, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.
Claims
1. A defrostable, size-adjustable hot stream calorimeter fixture, characterized by, From top to bottom successively include through screw connection buckle joint, gas distribution cavity, waste gas separation cavity and gas buffer cavity, the buckle joint is connected with heat flow instrument card setting, the buckle joint, gas distribution cavity, waste gas separation cavity and gas buffer cavity are all communicated with each other, the side wall of the gas distribution cavity is communicated with defrosting gas pipe outside, the gas buffer cavity is communicated with exhaust pipe outside, the bottom of the gas buffer cavity is connected with a gas blowing head.
2. A defrosting, easy-to-size hot stream calorimeter jig according to claim 1, characterized in that: The gas distribution cavity, waste gas separation cavity and gas buffer cavity are all hollow cylinders.
3. A defrosting, easy-to-size hot stream calorimeter jig according to claim 1, characterized in that: The connecting plates are arranged at the connecting portions of the gas distribution cavity, waste gas separation cavity and gas buffer cavity, and the communicating openings are formed in the centers of the connecting plates.
4. The defrosting, size-adjustable hot stream calorimeter clamp of claim 1, wherein: The defrosting gas pipes are arranged in four groups, and the four groups of defrosting gas pipes are arranged in an annular array at equal intervals on the side wall of the gas distribution cavity.
5. The defrosting, size-adjustable hot stream calorimeter clamp of claim 1, wherein: The defrosting gas pipes are bamboo joint pipe type.
6. A defrosting, size-adjustable hot stream calorimeter clamp according to claim 3, characterized in that: The gas blowing head comprises a connecting portion and a gas blowing portion which are communicated with each other, the connecting portion is sealingly and fixedly arranged in the communicating opening of the connecting plate in the gas buffer cavity, and the size and shape of the gas blowing portion can be replaced according to test requirements.
7. The defrosting, size-adjustable hot stream calorimeter clamp of claim 1, wherein: The outer walls of the waste gas separation cavity, gas buffer cavity and exhaust pipe are all wrapped with heat insulation layers.
8. The defrosting, size-adjustable hot stream calorimeter clamp of claim 1, wherein: The connecting plate of the waste gas separation cavity is provided with a communicating chamber on the upper portion of one side of the communicating opening, one end of the exhaust pipe penetrates the waste gas separation cavity and communicates with one side of the communicating chamber, and the bottom of the communicating chamber penetrates the connecting plate and communicates with the gas buffer cavity.