High-load caliper table with heat dissipation structure

Abstract

The utility model discloses a high load forceps form meter with heat dissipation structure, including forceps form meter body, the back of forceps form meter body is installed with the flow guide pipe, the inside installation of flow guide pipe has the heat dissipation fin with heat dissipation fan, the outside installation of flow guide pipe has the flow guide mechanism for the heat dissipation of forceps form meter body forceps head part, the utility model relates to forceps form meter technical field, the high load forceps form meter with heat dissipation structure, through detachable and external heat dissipation fan to forceps form meter body and forceps head heat dissipation simultaneously, the heat of the internal element work radiation of forceps form meter body is extracted with the suction of heat dissipation fan generation, improves the heat dissipation effect of forceps form meter and the internal element, is reutilized to the air current of extraction, through the air current shower nozzle of flow guide cover connection and exports the air current to the part of forceps head, accelerates the air current speed of forceps head part, thereby carries out the cooling and heat dissipation to the junction of forceps head and wire, prolongs the use length and the measurement accuracy of forceps form meter.

Description

Technical Field

[0001] This utility model relates to the field of clamp meter technology, specifically a high-load clamp meter with a heat dissipation structure. Background Technology

[0002] High-load clamp meters are electrical instruments specifically designed for measuring large currents, particularly suitable for use in industrial and power systems. A clamp meter consists of a casing, clamp head, and internal measuring components. During operation, clamp meters generate heat, primarily from the conductor being measured and the combined energy losses within the clamp meter. Modern clamp meters utilize Hall effect sensors; increased temperature causes slight changes in the Hall element's output voltage. The instrument's internal system may misinterpret this change as a change in magnetic field, introducing measurement errors. Furthermore, prolonged or extreme heating accelerates the aging or embrittlement of internal cables and external insulation, reducing the instrument's electrical safety rating and increasing the risk of short circuits and electric shock, especially dangerous in high-voltage environments. Therefore, timely heat dissipation is crucial during use.

[0003] Existing clamp meters primarily rely on natural heat dissipation and optimized operating habits for heat dissipation. After completing a measurement, immediately remove the clamp meter from the lead wire, open the jaws, and place it in a cool, dry, and well-ventilated place. The instrument will cool itself through natural air convection and radiation, or avoid continuous measurement of large currents for extended periods, thereby reducing heat accumulation at the source.

[0004] Clamp meters cool down very slowly by means of natural heat dissipation. In high-temperature environments or when the instrument is severely overheated, it may take several minutes or even longer to cool the clamp meter to a stable state, which greatly affects work efficiency. It is not suitable for scenarios that require high-frequency, continuous measurements. Furthermore, the effectiveness of natural heat dissipation is highly dependent on the ambient temperature and the natural air flow. In hot summers or in seamless, enclosed spaces, the heat dissipation efficiency of clamp meters is very low. Clamp meters must be removed from the measurement state to dissipate heat, making them unsuitable for working conditions that require the clamp meter to be clamped online for long periods of time for data recording or continuous monitoring.

[0005] To address this issue, the present invention provides a high-load clamp meter with a heat dissipation structure. Utility Model Content

[0006] To address the shortcomings of existing technologies, this invention provides a high-load clamp meter with a heat dissipation structure, thus solving the aforementioned problems.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: a high-load clamp meter with a heat dissipation structure, including a clamp meter body, a guide tube installed on the back of the clamp meter body, and heat dissipation fins and a heat dissipation fan installed inside the guide tube; The outer side of the flow guide tube is equipped with a flow guide mechanism for heat dissipation of the clamp head part of the clamp meter body; The flow guiding mechanism includes a flow guiding cover, an air outlet pipe is symmetrically fixedly connected to the outer side of the flow guiding cover, an air guide pipe is fixedly connected to the top of the air outlet pipe, and an airflow nozzle is fixedly connected to one end of the air guide pipe. A fixing mechanism is installed on the outside of the guide tube.

[0008] Preferably, the cooling fan and the air guide cover are eccentrically positioned.

[0009] Preferably, the airflow nozzle is trumpet-shaped.

[0010] Preferably, a connecting shell is fixedly connected to the outside of the guide pipe, and a water-cooling component is installed inside the connecting shell.

[0011] Preferably, the fixing mechanism includes a connecting plate symmetrically fixedly connected to the outside of the guide tube, a clamping plate slidably connected to the outside of the connecting plate, a spring fixedly connected between the connecting plate and the clamping plate, and a bolt threadedly connected between the clamping body and the clamping plate. Beneficial effects

[0012] This invention provides a high-load clamp meter with a heat dissipation structure. Compared with the prior art, it has the following advantages: This high-load clamp meter with a heat dissipation structure uses a detachable, external cooling fan to simultaneously cool the clamp meter body and clamp head. During use, the suction force generated by the cooling fan extracts the heat radiated by the internal components of the clamp meter body, improving the heat dissipation effect of the internal components. At the same time, the extracted airflow is reused, and airflow is sprayed towards the clamp head through an air nozzle connected to the airflow guide cover, accelerating the airflow speed at the clamp head, thereby cooling and dissipating heat at the connection between the clamp head and the wire. The clamp meter can also dissipate heat indoors and in windless environments. Through active cooling, the clamp meter's service life is extended, while reducing the heat radiated by the clamp meter and wires, which can reduce the accuracy of the instrument measurement. Attached Figure Description

[0013] Figure 1 This is a perspective view of the external structure of this utility model; Figure 2 This is a schematic diagram of the heat dissipation fins of this utility model; Figure 3 This is a schematic diagram of the flow guiding structure of this utility model; Figure 4 This is a schematic diagram of the fixed structure of this utility model.

[0014] In the diagram: 1. Clamp-on body; 2. Air guide tube; 3. Heat dissipation fins; 4. Heat dissipation fan; 5. Air guide mechanism; 501. Air guide cover; 502. Air outlet duct; 503. Air duct; 504. Airflow nozzle; 6. Fixing mechanism; 601. Connecting plate; 602. Clamping plate; 603. Spring; 604. Bolt; 7. Connecting shell; 8. Water cooling component. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0016] Please see Figure 1-3 A high-load clamp meter with a heat dissipation structure includes a clamp meter body 1, a guide tube 2 installed on the back of the clamp meter body 1, a heat dissipation fin 3 and a heat dissipation fan 4 installed inside the guide tube 2, the heat dissipation fin 3 is cylindrical and has fins fixedly connected to the outside, and the fins are provided with several and are wavy. A heat dissipation mechanism 5 for the clamp head of the clamp meter body 1 is installed on the outside of the heat dissipation pipe 2. The flow guiding mechanism 5 includes a flow guiding cover 501, an air outlet pipe 502 is symmetrically fixedly connected to the outside of the flow guiding cover 501, an air guide pipe 503 is fixedly connected to the top of the air outlet pipe 502, the air guide pipe 503 adopts a multi-section pipe or bamboo joint pipe structure design, and an airflow nozzle 504 is fixedly connected to one end of the air guide pipe 503. A fixing mechanism 6 is installed on the outside of the guide tube 2.

[0017] The cooling fan 4 and the air guide cover 501 are set off-center.

[0018] The airflow nozzle 504 is trumpet-shaped.

[0019] A connecting shell 7 is fixedly connected to the outside of the flow guide pipe 2. A heat conduction cavity is provided at the connection between the flow guide pipe 2 and the connecting shell 7. A water-cooling component 8 is installed inside the heat conduction cavity.

[0020] In this embodiment, during use, the components inside the clamp meter body 1 and the clamp head connected to the wires generate heat. This heat not only affects the accuracy of the meter reading but can also damage the meter. At this time, the cooling fan 4 inside the guide pipe 2 is activated. The cooling fan 4 exhausts the heat radiated from the clamp meter body 1 to the outside through the guide pipe 2. During this process, the hot airflow first passes through the heat dissipation fins 3. The wavy heat dissipation fins 3 with several fins increase the contact area with the hot airflow, accelerating the heat dissipation effect of the clamp meter body 1. The exhausted airflow enters the guide cover 501 and forms two airflows that enter the air duct 503 from the air outlet duct 502 and are ejected from the airflow nozzle 504. The ejected airflow accelerates the gas flow rate at the connection between the clamp head and the wire, thereby dissipating heat from the clamp head. Before the airflow enters the guide cover 501, the water-cooling component 8 cools the airflow, further improving the cooling effect of the gas ejected from the airflow nozzle 504 at the connection between the clamp head and the wire. The active cooling method simultaneously dissipates heat from the components inside the clamp meter body 1 and the clamp head connected to the wire, improving the heat dissipation effect of the clamp meter body 1 and extending its service life. At the same time, the active cooling method improves the detection accuracy of the clamp meter body 1. Furthermore, the heat dissipation structure is installed on the outside of the clamp meter body 1, making it easy to install and remove without affecting the use of the clamp meter body 1. Example

[0021] Please see Figure 3-4 Based on Embodiment 1, this embodiment provides a high-load clamp meter technical solution with a heat dissipation structure: the fixing mechanism 6 includes a connecting plate 601 symmetrically fixedly connected to the outside of the guide tube 2, a clamping plate 602 slidably connected to the outside of the connecting plate 601, a spring 603 fixedly connected between the connecting plate 601 and the clamping plate 602, and a bolt 604 threadedly connected between the clamp meter body 1 and the clamping plate 602.

[0022] In this embodiment, during the installation of the guide tube 2, the clamping plate 602 that drives the spring 603 is used to clamp the guide tube 2 fixed by the connecting plate 601 to the back of the clamp meter body 1, and the guide tube 2 is further fixed with bolts 604 to prevent the guide tube 2 from coming loose from the back of the clamp meter body 1 and affecting the heat dissipation effect of the clamp meter body 1.

[0023] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0024] Working principle: Before using the clamp meter body 1, first attach the guide tube 2 to the back of the clamp meter body 1, and pull the clamp plate 602 on the top of the two sets of connecting plates 601. At this time, the spring 603 between the connecting plate 601 and the clamp plate 602 is in a compressed state. After releasing the clamp plate 602, the spring 603 releases the elastic force, causing the clamp plate 602 to be locked on the outside of the clamp meter body 1. The clamp plate 602 and the clamp meter body 1 are further fixed with bolts 604 to prevent the guide tube 2 from coming loose from the clamp meter body 1 during use. When using the clamp meter body 1, clamp the clamp head of the clamp meter body 1 with the wire. During the measurement process, the internal components of the clamp meter body 1 and the clamp head connected to the wire will generate heat. At this time, the cooling fan 4 is turned on. The cooling fan 4 dissipates the heat radiated outward by the clamp meter body 1, thereby achieving heat dissipation and cooling of the internal components of the clamp meter body 1. During the airflow process, it will first pass through the heat dissipation fins 3, which are provided with multiple sets of... The wavy fins increase the contact area between the hot airflow and the fins, improving the heat dissipation of the internal components of the clamp meter body 1. The exhaust airflow enters the guide cover 501. Because the cooling fan 4 inside the guide pipe 2 and the guide cover 501 are eccentrically structured, the airflow forms a vortex and is quickly discharged from the air outlet pipe 502. The exhaust airflow is ejected from the airflow nozzle 504 connected to the air duct 503. Since the airflow nozzle 504 is trumpet-shaped, it increases the area of ​​airflow ejection, thereby accelerating the airflow speed at the clamp head, and thus dissipating heat at the connection between the clamp head and the wire. Before the airflow enters the guide cover 501, the water-cooling component 8 cools the airflow, further enhancing the heat dissipation effect at the clamp head. By adopting an active cooling method, the usable life of the clamp meter body 1 is extended, and heat is simultaneously dissipated from the internal components and the clamp head, reducing the influence of its own temperature and ambient temperature on the clamp meter body 1, and improving the measurement accuracy of the clamp meter body 1.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high load clamp meter with heat dissipation structure, comprising a clamp meter body (1), characterized in that: The back of the clamp meter body (1) is equipped with a flow guide tube (2), and the inside of the flow guide tube (2) is equipped with heat dissipation fins (3) and heat dissipation fan (4). The outer side of the guide tube (2) is equipped with a guide mechanism (5) for heat dissipation of the clamp head of the clamp body (1). The flow guiding mechanism (5) includes a flow guiding cover (501), an air outlet pipe (502) is symmetrically fixedly connected to the outside of the flow guiding cover (501), an air guide pipe (503) is fixedly connected to the top of the air outlet pipe (502), and an air flow nozzle (504) is fixedly connected to one end of the air guide pipe (503). A fixing mechanism (6) is installed on the outside of the guide tube (2).

2. A high-load clamp meter with a heat dissipation structure according to claim 1, characterized in that: The cooling fan (4) and the air guide cover (501) are eccentrically positioned.

3. The high load caliper watch with heat dissipation structure according to claim 1, characterized in that: The airflow nozzle (504) is trumpet-shaped.

4. The high load clamp meter with heat dissipation structure according to claim 1, characterized in that: A connecting shell (7) is fixedly connected to the outside of the guide pipe (2), and a water-cooling component (8) is installed inside the connecting shell (7).

5. The high load clamp meter with heat dissipation structure according to claim 1, characterized in that: The fixing mechanism (6) includes a connecting plate (601) symmetrically fixedly connected to the outside of the guide pipe (2), a clamping plate (602) slidably connected to the outside of the connecting plate (601), a spring (603) fixedly connected between the connecting plate (601) and the clamping plate (602), and a bolt (604) threadedly connected between the clamping body (1) and the clamping plate (602).

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