Filter with cooling fan
By installing a cooling fan and a small water cooling system on the filter, the performance drift and aging problems caused by heat accumulation in the filter are solved, achieving efficient heat dissipation, ensuring circuit stability and extending device life.
Patent Information
- Application Number
- CN202520346999.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-03
AI Technical Summary
During operation, the filter may experience performance parameter drift, accelerated component aging, and circuit instability due to heat accumulation. There is a risk of functional failure or insulation failure under high temperature conditions.
A cooling fan and a small water cooling system are installed on the filter. The heat is quickly removed by utilizing the convection effect of the heat dissipation fins and fan, as well as the thermal conductivity of the water. The on/off state of the water cooling system is controlled by a temperature sensor to achieve efficient heat dissipation.
It effectively reduces the internal temperature of the filter, prevents performance parameter drift and component aging, improves circuit stability, extends device life, and avoids functional failure.
Smart Images

Figure CN223810018U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter technical field, concretely is a filter with cooling fan. BACKGROUND
[0002] A filter is an electronic device or circuit that removes unwanted components or noise from a signal while preserving the frequency components of the useful signal. It achieves the adjustment and optimization of the signal frequency content by selectively allowing signals within a certain frequency range to pass through while suppressing signals of other frequencies. Filters are widely used in communication, audio processing, image processing, radar, and many other fields, and are an indispensable part of electronic equipment.
[0003] During the operation of the filter, the electronic components (such as operational amplifiers, resistors, capacitors, etc.) will generate heat due to the Joule heat generated by the current passing through and the internal power consumption of semiconductor devices. If the heat cannot be dissipated in time, it will cause the temperature of the components to continue to rise, leading to performance parameter drift (such as changes in resistance value, capacitance value, and operational amplifier gain bandwidth characteristics), which will further damage the preset amplitude-frequency response and phase characteristics of the filter, causing problems such as fluctuation of the cutoff frequency, distortion of the passband gain, or excessive phase delay. At the same time, high temperature environment will exacerbate the thermal noise of the components, reduce the signal-to-noise ratio, and even trigger thermal runaway or oscillation of the semiconductor devices, threatening the stability of the circuit. Long-term high temperature will also accelerate the aging of materials (such as drying of electrolytic capacitors and cracking of solder joints due to thermal fatigue), significantly shortening the service life of the devices. In addition, under high-temperature and closed working conditions, the accumulation of heat may cause the internal temperature to exceed the rated operating range of the components, leading to functional failure or insulation failure risk. SUMMARY
[0004] The utility model aims at providing a filter with cooling fan to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A filter with cooling fan, comprising:
[0007] The filter has a cooling fin fixedly connected to the upper end surface, the cooling fins have the same spacing distance for absorbing internal heat, and a cooling fan is also fixedly connected to the upper end surface of the filter, the cooling fan is fixed above the filter through a mounting hole with bolts, one side of the filter is fixedly connected with a positive terminal, a negative terminal and a ground wire for transmitting current and grounding, and the other side is fixedly connected with an output terminal for connecting with the input terminal of the equipment.
[0008] Preferably, the filter also has a mounting groove, and a small water cooling device is fixedly connected in the mounting groove through bolts.
[0009] Preferably, the bottom of the mounting groove is provided with a slot, which is connected with the heat-conducting fin fixedly connected with the small water-cooled bottom, and the slot is located above the heating part of the filter.
[0010] Preferably, one side of the heat-conducting fin is provided with a temperature sensor for controlling the switch of the small water-cooled.
[0011] Preferably, the upper end face of the small water-cooled is provided with a water inlet and a water outlet, the lower end of the water inlet is fixedly provided with a small water pump, the lower end of the small water pump is connected with a water inlet pipe, and the lower end of the water outlet is connected with a water outlet pipe.
[0012] Preferably, the inside of the small water-cooled is provided with multiple layers of heat-dissipating water pipes, the water inlet pipe is connected to the lowermost layer of heat-dissipating water pipes, and the water outlet pipe is connected to the uppermost layer of heat-dissipating water pipes.
[0013] Preferably, the side of the mounting groove is provided with a wire slot, and the fan power line of the heat-dissipating fan and the power line of the water pump are led out of the filter through the wire slot.
[0014] Preferably, one side of the wire slot is provided with a wire clamp, and the wire clamp is rotatably connected to the outside of the filter through a torsional spring shaft.
[0015] Compared with the prior art, the filter circuit of the present application has the following beneficial effects:
[0016] The filter circuit of the present application has the following beneficial effects:
[0017] The filter circuit of the present application has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure schematic view of the present application;
[0019] Figure 2 It is a whole structure schematic view of the present application Figure 1 Side view;
[0020] Figure 3 It is a filter circuit diagram of the present application;
[0021] Figure 4 It is a whole structure three-dimensional schematic view of the second embodiment of the present application;
[0022] Figure 5 Three-dimensional schematic view of the small water cooling installation of the utility model;
[0023] Figure 6 Three-dimensional schematic view of the wire clamp of the utility model;
[0024] Figure 7 Three-dimensional schematic view of the internal part of the small water cooling of the utility model;
[0025] Figure 8 Three-dimensional schematic view of the utility model Figure 7 Three-dimensional schematic view from another perspective.
[0026] In the figure: 1-filter; 101-mounting groove; 102-outlet groove; 103-wire clamp; 104-torsion spring shaft; 2-radiating fin; 3-radiating fan; 301-mounting hole; 302-fan power line; 4-ground wire; 5-positive terminal; 6-negative terminal; 7-output terminal; 8-small water cooling; 801-water inlet; 802-water outlet; 803-water inlet pipe; 804-water outlet pipe; 805-radiating water pipe; 806-small water pump; 9-heat-conducting sheet; 10-slot; 11-temperature sensor. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0028] Embodiment 1:
[0029] Please refer to Figures 1 to 3 The utility model provides a technical scheme:
[0030] A filter with a radiating fan, the filter has multiple functions, including:
[0031] The filter 1 is an electronic component or system for filtering specific frequency components in a signal, and its core principle is based on signal processing technology. The filter 1 selectively allows certain frequency components to pass through while suppressing or blocking other frequency components, thereby realizing the adjustment and optimization of the frequency content of the signal.
[0032] Specifically, the filter 1 can be divided into two categories according to the type of signal it processes, namely analog filter and digital filter, the analog filter is mainly used for continuous time signal processing, such as audio signal, radio frequency signal, etc. ; and the digital filter is used for discrete time signal processing, such as digital image, video stream, etc. The basic principle of any type of filter 1 is to use circuit or algorithm to analyze the frequency of the input signal, and according to the preset frequency response characteristics, the different frequency components are weighted, attenuated or enhanced.
[0033] For the power filter, it also needs to be connected in parallel on the power line to filter out the noise and interference in the power supply, and at the same time, it is necessary to ensure that the ground of the filter 1 is good to avoid introducing additional noise and interference, in addition, according to the specific application scene and demand, it may also be necessary to configure and debug the filter 1 appropriately to achieve the best filtering effect.
[0034] The structure of the filter 1 includes:
[0035] The filter 1 is fixedly connected with the heat dissipation fins 2 on the upper end face, the heat dissipation fins 2 have the same spacing distance, and are used for absorbing internal heat dissipation, the filter 1 is further provided with a heat dissipation fan 3 on the upper end face, the heat dissipation fan 3 is fixed above the filter 1 through the mounting hole 301 by bolts, one side of the filter 1 is fixedly connected with a positive end 5, a negative end 6 and a ground wire 4 for transmitting current and grounding, and the other side is fixedly connected with an output end 7 for connecting with the input end of the equipment.
[0036] In this embodiment, the filter 1 is provided with heat dissipation fins 2 above, the heat dissipation fins 2 are closely attached to the upper surface of the filter 1 shell, when the filter 1 works, the internal electronic components work to generate heat, since the heat dissipation fins 2 are made of metal material with good heat conductivity, the heat dissipation fins 2 can quickly absorb heat, and the heat dissipation fan 3 is installed above the heat dissipation fins 2, the heat dissipation fan 3 uses the convection effect to take away the heat absorbed in the heat dissipation fins 2, so as to realize the rapid heat dissipation of the filter 1 by the heat dissipation fan 3.
[0037] Embodiment 2:
[0038] Please refer to Figures 4 to 8 The utility model provides a technical scheme:
[0039] The filter 1 is further provided with a mounting groove 101, and a small water cooling 8 is fixedly connected in the mounting groove 101 by bolts.
[0040] The upper shell of the filter 1 is increased in height, and the middle part is decreased in height, forming a mounting groove 101, so that the bottom of the mounting groove 101 is close to the heating element to better contact the heat source to absorb heat. Then a small water cooling 8 is installed inside the mounting groove 101 through a bolt. The small water cooling 8 integrates the heat dissipation water pipe 805 inside the small water cooling 8 shell, which is small in size and convenient to install and use. The heat dissipation water pipe 805 spirals multiple turns inside the small water cooling 8, forming a multi-layer structure (such as Figure 7 ). The lowest layer of the heat dissipation water pipe 805 is close to the bottom of the small water cooling 8. The bottom of the small water cooling 8 is provided with a heat conduction sheet 9 with good heat conduction performance. The bottom of the mounting groove 101 at the vertically opposite position of the heat conduction sheet 9 is provided with a slot 10. The heat conduction sheet 9 is inserted into the slot 10 to more fully contact the heat, thereby improving the heat conduction efficiency. The lowest layer of the heat dissipation water pipe 805 passes above the heat conduction sheet 9 using flowing cooling water to absorb the heat absorbed by the heat conduction sheet 9, thereby layer by layer transporting the cooling water that absorbs heat upward. In this process, the cooling fan 3 installed above the small water cooling 8 will use the convection effect to drive the heat dissipation of the heat dissipation water pipe 805 to the air. Due to the multi-layer design of the heat dissipation water pipe 805, the cooling water stays inside the small water cooling 8 for long enough, so the cooling fan 3 can have more time to take away the heat of the cooling water inside the heat dissipation water pipe 805.
[0041] In this embodiment, the upper part of the small water cooling 8 is provided with a water inlet 801 and a water outlet 802. The water inlet 801 and the water outlet 802 are connected to a water inlet pipe 803 and a water outlet pipe 804. The water inlet pipe 803 is connected to the lowest layer of the heat dissipation water pipe 805, so that the cooling water first contacts the heat conduction sheet 9 to quickly absorb heat. At the same time, a water pump is installed at the water inlet pipe 803. The water pump provides power for the cooling water to flow inside the heat dissipation water pipe 805. When the temperature sensor 11 inside the mounting groove 101 senses that the temperature of the heat conduction sheet 9 rises to a threshold value, the temperature sensor 11 starts the water pump and the cooling fan 3 to work.
[0042] Specifically, the bottom of the mounting groove 101 is provided with a slot 10, which is connected with the heat conduction sheet 9 fixedly connected to the bottom of the small water cooling 8. The slot 10 is located above the heating part of the filter 1.
[0043] Specifically, one side of the heat conduction sheet 9 is provided with a temperature sensor 11 for controlling the on-off of the small water cooling 8.
[0044] Specifically, the upper end surface of the small water cooling 8 is provided with a water inlet 801 and a water outlet 802. The lower end of the water inlet 801 is fixedly provided with a small water pump 806. The lower end of the small water pump 806 is connected with a water inlet pipe 803. The lower end of the water outlet 802 is connected with a water outlet pipe 804.
[0045] Specifically, the small water cooling 8 is internally provided with multiple layers of heat dissipation water pipes 805, the water inlet pipe 803 is connected to the lowermost heat dissipation water pipe 805, and the water outlet pipe 804 is connected to the uppermost heat dissipation water pipe 805.
[0046] In the embodiment, the outlet groove 102 is arranged on the side of the mounting groove 101, the power supply lines of the water pump and the heat dissipation fan 3 in the small water cooling 8 can be led out through the outlet groove 102, the filter 1 is provided with the wire clamp 103 on one side of the outlet groove 102, the wire clamp 103 can play the role of a concentrator, arranges the power supply lines, prevents confusion and facilitates maintenance, the wire clamp 103 is installed through the torsional spring shaft 104, the torsional spring shaft 104 is internally provided with a torsional spring, when the wire clamp 103 is lifted from one side, the torsional spring rotates with the torsional spring shaft 104 and accumulates elastic force, when the power supply lines are placed in the wire clamp 103, the lifting part is loosened, the torsional spring drives the torsional spring shaft 104 to reset, so that the wire clamp 103 is automatically closed to clamp the power supply lines.
[0047] Specifically, the outlet groove 102 is arranged on the side of the mounting groove 101, the fan power supply line 302 of the heat dissipation fan 3 and the power supply line of the water pump are led out of the filter 1 through the outlet groove 102.
[0048] Specifically, the wire clamp 103 is arranged on one side of the outlet groove 102, and the wire clamp 103 is rotatably connected to the outside of the filter 1 through the torsional spring shaft 104.
[0049] In use, the filter 1 is provided with the heat dissipation fin 2 above, the heat dissipation fin 2 is attached to the upper surface of the shell of the filter 1, when the filter 1 works, heat is generated by the internal electronic elements, the heat dissipation fin 2 can quickly absorb heat due to the fact that the heat dissipation fin 2 is made of metal material with good heat conduction performance, the heat dissipation fan 3 is arranged above the heat dissipation fin 2, the heat dissipation fan 3 utilizes the convection effect to take away the heat absorbed in the heat dissipation fin 2, so that the filter 1 is quickly cooled by the heat dissipation fan 3.
[0050] The height of the upper shell of the filter 1 can be increased, and the height of the middle part is reduced, so that the mounting groove 101 is formed, the bottom of the mounting groove 101 is close to the heating element to better contact the heat source to absorb heat, then the small water cooling 8 is arranged in the mounting groove 101 through bolts, the heat dissipation water pipes 805 are integrated in the shell of the small water cooling 8, the small water cooling 8 has small volume and is convenient to install and use, the heat dissipation water pipes 805 are coiled in the small water cooling 8 for multiple turns to form multiple layers (for example, Figure 7), the lowest layer of the heat dissipation water pipe 805 is attached to the bottom of the small water cooling 8, the bottom of the small water cooling 8 is provided with a heat conduction sheet 9 with good heat conduction performance, the vertical corresponding position of the heat conduction sheet 9 is provided with a slot 10 at the bottom of the mounting groove 101, the heat conduction sheet 9 is inserted into the slot 10, and heat conduction can be more fully contacted, so that the heat conduction efficiency is improved, the lowest layer of the heat dissipation water pipe 805 passes above the heat conduction sheet 9 by flowing cooling water, so as to absorb the heat absorbed by the heat conduction sheet 9, and the cooling water that absorbs heat is transported upwards layer by layer, in the process, the heat dissipation fan 3 installed above the small water cooling 8 can utilize the convection effect to drive the heat dissipation water pipe 805 to dissipate heat to the air, and due to the multilayer design of the heat dissipation water pipe 805, the residence time of the cooling water in the small water cooling 8 is long enough, so that the heat dissipation fan 3 can have more time to take away the heat of the cooling water in the heat dissipation water pipe 805.
[0051] The top of the small water cooling 8 is provided with a water inlet 801 and a water outlet 802, the water inlet 801 and the water outlet 802 are connected with a water inlet pipe 803 and a water outlet pipe 804, the water inlet pipe 803 is connected to the lowest layer of the heat dissipation water pipe 805, so that the cooling water first contacts the heat conduction sheet 9 to quickly absorb heat, and a water pump is installed in the water inlet pipe 803, the water pump provides power for the cooling water to flow in the heat dissipation water pipe 805, when the temperature sensor 11 in the mounting groove 101 senses that the temperature of the heat conduction sheet 9 rises to a threshold value, the temperature sensor 11 starts the water pump and the heat dissipation fan 3 to work.
[0052] The rest of the parts not described in the utility model can be the same as the prior art, or be known technology or be realized by using the prior art, and will not be described in detail here.
[0053] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A filter with a heat dissipation fan, characterized by, Include: Filter (1), the upper end surface of the filter (1) is fixedly connected with the heat dissipation fin (2), the heat dissipation fin (2) is spaced at the same distance, for absorbing internal heat dissipation, the upper end surface of the filter (1) is also according to the heat dissipation fan (3), the heat dissipation fan (3) is fixed on the upper side of the filter (1) through the mounting hole (301) by bolt, one side of the filter (1) is fixedly connected with the positive terminal (5), the negative terminal (6) and the ground wire (4), for transmitting current and grounding, the other side is fixedly connected with the output terminal (7), for connecting with the input terminal of the equipment.
2. The filter with a heat-dissipating fan according to claim 1, characterized in that: The filter (1) is also provided with a mounting groove (101), and the small water cooling (8) is fixedly connected in the mounting groove (101) through bolts.
3. The filter with a heat-dissipating fan according to claim 2, characterized in that: The bottom of the mounting groove (101) is provided with a slot (10), the slot (10) is connected with the heat dissipation fin (9) fixedly connected at the bottom of the small water cooling (8), and the slot (10) is located above the heating part of the filter (1).
4. The filter with a heat-dissipating fan according to claim 3, characterized in that: One side of the heat dissipation fin (9) is provided with a temperature sensor (11) for controlling the switch of the small water cooling (8).
5. The filter with a heat-dissipating fan according to claim 2, characterized in that: The upper end surface of the small water cooling (8) is provided with a water inlet (801) and a water outlet (802), the lower end of the water inlet (801) is fixedly provided with a small water pump (806), the lower end of the small water pump (806) is connected with a water inlet pipe (803), and the lower end of the water outlet (802) is connected with a water outlet pipe (804).
6. The filter with a heat-dissipating fan according to claim 5, characterized in that: The inside of the small water cooling (8) is provided with a plurality of layers of heat dissipation water pipes (805), the water inlet pipe (803) is connected to the lowermost layer of heat dissipation water pipes (805), and the water outlet pipe (804) is connected to the uppermost layer of heat dissipation water pipes (805).
7. The filter with a heat-dissipating fan according to claim 2, characterized in that: The side surface of the mounting groove (101) is provided with a wire groove (102), the fan power line (302) of the heat dissipation fan (3) and the power line of the water pump are led out of the filter (1) through the wire groove (102).
8. The filter with a heat-dissipating fan according to claim 7, characterized in that: One side of the wire groove (102) is provided with a wire clamp (103), and the wire clamp (103) is rotatably connected to the outside of the filter (1) through a torsion spring shaft (104).