Heat dissipation structure of external counterpulsation device

By setting up a heat dissipation zone and an S-shaped heat dissipation pipe layout at the bottom of the external counterpulsation device bed, combined with the air guide grille of the air-cooled component, the problem of increased air temperature after air compressor compression is solved, improving patient comfort and equipment performance.

CN223774174UActive Publication Date: 2026-01-09CHONGQING PSK HEALTH SCI TECH DEV
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Patent Information

Application Number
CN202423028552.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2023-12-08
Filing Date
2024-12-05
Publication Date
2026-01-09
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

The temperature of the air compressed by the air compressor in the external counterpulsation device increases, which can affect patient comfort and potentially damage the device's performance.

Method used

A heat dissipation area is set at the bottom of the bed. Utilizing the ventilation gap between the heat dissipation mesh and the ground, combined with air-cooled components and heat dissipation pipes, an S-shaped spiral heat dissipation pipe layout is formed. Air guide grilles are set at the ends of the air-cooled components near the heat dissipation pipes to enhance airflow and heat dissipation.

Benefits of technology

Effective heat dissipation was achieved without increasing the bed's floor space, improving patient comfort and protecting equipment performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of external counterpulsation, in particular to a heat dissipation structure of an external counterpulsation device. Comprising a heat dissipation net installed at the bottom of a bed body, a ventilation gap is formed between the heat dissipation net and the ground, and a heat dissipation area is formed between the heat dissipation net and a bed body bottom plate; a heat dissipation assembly is arranged in the heat dissipation area and comprises an air cooling piece and a heat dissipation pipe communicating between the air type compressor and the air storage tank. The air cooling piece comprises a fan cover and a fan fixed on the fan cover, and the bottom of the fan cover is provided with a grid for guiding air towards the direction of the heat dissipation pipe; the heat dissipation pipe located in the heat dissipation area is spirally distributed in an S shape, and the air cooling piece is arranged close to the end of the heat dissipation pipe. The external counterpulsation device solves the problems that according to an existing external counterpulsation device, due to the fact that the temperature of air compressed by an air compressor rises, the temperature of air entering an air bag also rises, the use comfort of a patient is lowered, and the high temperature influences the equipment performance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of extracorporeal counterpulsation, in particular to a kind of extracorporeal counterpulsation device heat dissipation structure. BACKGROUND

[0002] Extracorporeal counterpulsation is a kind of method by extracorporeal non-invasive press lower half of body, reduce and eliminate angina pectoris symptom, improve the anoxic ischemic state of important organs of organism, it is also a kind of medical equipment for preventing and treating cardiovascular and cerebrovascular diseases simultaneously.Theory is that patient lies on the bed body of extracorporeal counterpulsation device, and gasbag is tied on the limbs and hip of patient, air compressor is used to compress gas and store into gas storage tank to supply gas to gasbag, realize the pressurization to the position such as limbs and hip of patient;Through mechanical mode, make the systolic blood pressure in aorta lower and diastolic blood pressure higher, to reach the auxiliary circulation method of auxiliary heart work, improve blood circulation, increase the blood perfusion of heart, brain, kidney and other organs.However, the applicant found a significant technical problem in actual research and development process: the temperature of air compressed by air compressor will rise, which causes the temperature of gas entering the gasbag to rise;This not only greatly reduces the comfort of user, but also may affect the performance of equipment in the long run. SUMMARY

[0003] The present application aims to provide a kind of extracorporeal counterpulsation device heat dissipation structure, to solve the problem of the existing extracorporeal counterpulsation device leading to the decline of patient's comfort and the influence of high temperature on equipment performance.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0005] A kind of extracorporeal counterpulsation device heat dissipation structure, including the heat dissipation net installed on the bottom of bed body, there is ventilation gap between heat dissipation net and ground, and heat dissipation area is formed between heat dissipation net and bed bottom plate;Heat dissipation assembly is provided in heat dissipation area, and heat dissipation assembly includes air cooling piece, and heat dissipation pipe communicated between air compressor and gas storage tank;Air cooling piece includes wind cover and fan fixed on wind cover, and the bottom of wind cover is provided with grid for guiding wind to the direction of heat dissipation pipe;Heat dissipation pipe located in heat dissipation area is distributed in S shape spiral, and the end of air cooling piece close to heat dissipation pipe is provided.

[0006] Beneficial effects:

[0007] 1, by setting heat dissipation area in bed bottom, heat dissipation area is communicated with air outside bed bottom through heat dissipation net, in the case of not increasing the floor area of bed body, good heat dissipation effect can be ensured, and the discomfort caused by direct blowing of heat dissipation to user is avoided.

[0008] 2, air cooling piece and heat dissipation pipe are provided in heat dissipation area, the air compressed by air compressor enters gas storage tank through heat dissipation pipe, so that the air can flow in S shape at the bottom of bed body, and fully contact with the flowing air outside to dissipate heat.

[0009] 3. The air-cooled components are positioned near the end of the heat dissipation pipes. The air-guiding grille concentrates the airflow onto the S-shaped spiral heat dissipation pipes, which further accelerates the efficiency of the airflow under the bed and improves the heat dissipation effect.

[0010] In summary, this technology, by combining the layout of heat dissipation pipes with the positional layout of air-cooling components, solves the problem in existing external counterpulsation devices where the temperature of the gas entering the airbag rises due to the increased temperature of the compressed air after air compressor operation, leading to decreased patient comfort and the impact of high temperatures on device performance.

[0011] Preferably, as an improvement, the bed body is provided with a control area, an air storage area and a compression area in sequence from the head to the foot of the bed, with the air-cooled components located near the control area; an air inlet is provided at the head of the bed.

[0012] Beneficial effects: The above layout achieves optimal space utilization, and the air-cooled components simultaneously accelerate airflow in both the control and storage areas, maximizing heat dissipation. Furthermore, with air inlets at the head of the bed, air can be drawn in as it blows towards the cooling pipes, increasing internal airflow and further enhancing heat dissipation.

[0013] Preferably, as an improvement, a control box is provided in the control area, and electrical components are installed in the control box; any one or two of the left and right side walls of the control box are provided with ventilation holes; any one or two of the front and rear side walls of the control box are provided with ventilation holes.

[0014] Beneficial effects: Since the air-cooled components are located close to the control area, the electrical components inside the control box can be further cooled through the ventilation holes, enhancing internal airflow.

[0015] Preferably, as an improvement, the control box is provided with multiple partitions, and the partitions are also provided with ventilation holes.

[0016] Beneficial effects: By dividing the control box into zones with partitions, the independence and neatness of each zone are ensured, and installation and maintenance are facilitated.

[0017] Preferably, as an improvement, ventilation holes are provided on both the left and right side walls of the control box; ventilation holes are provided on the front side wall of the control box near the head of the bed, and a fan is installed in the ventilation hole.

[0018] Beneficial effects: The fan can blow air into the control box, and the air can flow through the ventilation holes, making the internal heat dissipation effect faster and better.

[0019] Preferably, as an improvement, the bottom plate of the bed body is provided with a mounting hole, and the air cover is fixed to the mounting hole; and the air cover is provided with an inclined mounting surface inclined downward toward the direction of the head of the bed, and the fan is mounted on the inclined mounting surface.

[0020] Beneficial effects: the inclined mounting surface enables the fan to be installed obliquely, and the other side of the air cover can block the wind to enable the wind force to be concentrated on the heat dissipation pipe, so that the heat dissipation effect is better.

[0021] Preferably, as an improvement, the air inlet is arranged on the outer wall of the head end of the bed; the air inlet comprises a left air inlet and a right air inlet, and a switch button is arranged between the left air inlet and the right air inlet.

[0022] Beneficial effects: the button is arranged on the head of the bed, thereby being close to the control box, so that the line is saved; the air inlets are arranged on the two sides of the button, so that air can quickly flow into the two sides of the control box, and the two sides of the control box and the inside of the bed body have gaps, so that the overall air flow performance is better, and the heat dissipation effect is better.

[0023] Preferably, as an improvement, a plurality of gas storage tanks are arranged in the gas storage area, at least one gas storage tank is arranged close to the air cooling piece, and the heat dissipation pipe is connected between the gas storage tank and the air compressor; and the air compressor is arranged in the compression area.

[0024] Beneficial effects: through the above arrangement, the distance between the air compressor and the gas storage tank connected thereto can be increased, so that the heat dissipation pipe can be arranged in a larger area at the bottom of the bed body, and the heat dissipation effect is further improved.

[0025] Preferably, as an improvement, the heat dissipation pipe comprises a plurality of straight pipes, and adjacent straight pipes are connected in series through elbow pipes; the straight pipes are provided with fins; and the air cooling piece is arranged corresponding to the elbow pipe close to one end of the head of the bed.

[0026] Beneficial effects: the fins increase the contact area between the heat dissipation pipe and air, and further improve the heat dissipation effect.

[0027] Preferably, as an improvement, the bottom surface of the bed body is fixed with downward protruding mounting ribs, and the heat dissipation area is surrounded between the two mounting ribs; the heat dissipation pipe is provided with a reinforcing rib fixed to the bed body at each end close to the elbow pipe, and a limiting strip for limiting the heat dissipation pipe is further arranged corresponding to the reinforcing rib, and the heat dissipation pipe is located between the reinforcing rib and the limiting strip.

[0028] Beneficial effects: the reinforcing rib not only increases the strength of the bottom of the bed body, but also can be placed between the heat dissipation pipe and the bottom of the bed body, and in combination with the limiting strip, the fixing effect of the heat dissipation pipe is ensured, and abnormal noise is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a top view of embodiment 1 of the present application.

[0030] Figure 2 is the bottom view of the embodiment 1 of the present application.

[0031] Figure 3 is the shaft test view of the embodiment 1 of the present application.

[0032] Figure 4 is the structure view of the bottom of the bed body in the embodiment 1 of the present application.

[0033] Figure 5 is the installation position view of the air-cooled component in the embodiment 1 of the present application. Figure 1

[0034] is the structure view of the air-cooled component in the embodiment 1 of the present application. Figure 6 Figure 5 is the bottom view of the air-cooled component in the embodiment 1 of the present application.

[0035] Figure 7 Figure 5 is the bottom view of the air-cooled component in the embodiment 1 of the present application.

[0036] Figure 8 is the position structure view of the gas storage tank in the embodiment 1 of the present application. Figure 1

[0037] is the structure view of the embodiment 2 of the present application. Figure 9

[0038] is the structure view of the embodiment 3 of the present application. Figure 10 DETAILED DESCRIPTION

[0039] The following will be further explained in detail through specific embodiments:

[0040] The reference signs in the drawings of the specification include: bed body 1, heat dissipation net 2, mounting rib 3, bottom plate 31, mounting plate 32, reinforcing strip plate 33, heat dissipation area 4, air-cooled component 5, air cover 51, fan 52, inclined mounting surface 53, grating 54, heat dissipation pipe 6, straight pipe 61, bent pipe 62, control area 7, control box 71, partition 72, gas storage area 8, main gas storage tank 81, left gas storage tank group 82, right gas storage tank group 83, compression area 9, ventilation hole 10, air inlet 11, compressor cooling air inlet 111, mounting assembly 12, reinforcing rib 121, limiting strip 122, vertical support column 13, horizontal support column 14.

[0041] Embodiment 1

[0042] As shown in the drawings, Figures 1-8 ​​​As shown, a kind of extracorporeal counterpulsation device heat dissipation structure, including being arranged in the heat dissipation net 2 of bed body 1 bottom, bed body 1 bottom four corners are equipped with ground mat or brake universal wheel, the latter is specifically embodied in the embodiment, so that heat dissipation net 2 and ground have distance and form ventilation gap, beneficial to ventilation;And heat dissipation net 2 and bed body 1 bottom plate 31 form heat dissipation zone 4, heat dissipation zone 4 is realized with the air exchange of bed body 1 bottom outside through the mesh of heat dissipation net 2, both can guarantee good heat dissipation effect, also can prevent the case of bed body 1 inwards ventilation and directly blowing to human body and causes the occurrence of uncomfortable condition.

[0043] The specific installation mode of heat dissipation net 2 is, the bottom surface of bed body 1 is fixed with two as shown in the drawing Figure 4 Downward protruding mounting rib 3, the two ends of the two mounting rib 3 are in contact with the side wall of bed body 1 bottom, so that the mounting rib 3 is surrounded by heat dissipation zone 4. The mounting rib 3 includes a bottom plate 31 and mounting plates 32 on both sides of the bottom plate 31, and a reinforcing strip plate 33. The height of the mounting plate 32 is higher than the height of the reinforcing strip plate 33. The bottom plate 31 and the mounting plate 32 form an L-shaped structure in cross section. The purpose of the reinforcing strip plate 33 is mainly to increase the strength of the bottom plate 31. The mounting plate 32 is evenly provided with a plurality of L-shaped ears. One arm of the L-shaped ear is welded and fixed to the mounting plate 32. The other arm of the L-shaped ear is provided with a mounting hole for fixing and installing the heat dissipation net 2 by screwing.

[0044] The heat dissipation zone 4 is provided with a heat dissipation assembly and a mounting assembly 12 for limiting the heat dissipation assembly. The heat dissipation assembly includes an air cooling element 5 and a heat dissipation pipe 6. The heat dissipation pipe 6 is connected between an air compressor and an air tank. The heat dissipation pipe 6 includes a plurality of straight pipes 61. Adjacent straight pipes 61 are connected end to end through elbow pipes 62 and are arranged in an S-shaped spiral at the bottom of the bed body 1. The outer wall of the straight pipe 61 is provided with helical fins or a plurality of annular fins at intervals to increase the contact area with air and improve the heat dissipation effect. The mounting assembly 12 is two groups, which are located near the elbow pipe 62 of the heat dissipation pipe 6. Each mounting assembly 12 includes a reinforcing rib 121 and a limiting strip 122 arranged opposite to each other. The heat dissipation pipe 6 is located between the reinforcing rib 121 and the limiting strip 122. The reinforcing rib 121 is welded or integrally formed with the bottom surface of the bed body 1. The reinforcing rib 121 can not only strengthen the bed body 1, but also can be placed between the heat dissipation pipe 6 and the bottom surface of the bed body 1. The limiting strip 122 is provided with a plurality of grooves. Each heat dissipation pipe 6 is clamped into a groove to limit the heat dissipation pipe 6. The limiting strip 122 and the reinforcing rib 121 are provided with oppositely arranged mounting holes for screwing to install and fix the limiting strip 122.

[0045] The air cooling piece 5 comprises a wind cover 51 and a fan 52 fixed on the wind cover 51. The bottom plate 31 of the bed body 1 is provided with a mounting hole, the wind cover 51 is fixed at the mounting hole, and the wind cover 51 is provided with an inclined mounting surface 53 inclined downward in the direction of the head of the bed. The fan 52 is mounted on the inclined mounting surface 53, so that the fan 52 can be installed in the direction of the heat dissipation pipe 6. The bottom of the wind cover 51 is also provided with a grille 54 for guiding air in the direction of the heat dissipation pipe 6. By the above arrangement, the fan 52 can concentrate on blowing air in the direction of the heat dissipation pipe 6, which is beneficial to ventilation and heat dissipation. Moreover, the air cooling piece 5 of the present technology is arranged corresponding to the elbow pipe 62 close to the head end of the bed. Not only can the air be blown forward along the end of the heat dissipation pipe 6, but also the elbow pipe 62 without fins can be better ventilated and cooled.

[0046] It is worth mentioning that in addition to being able to effectively dissipate heat from the compressed air introduced into the gas storage tank by the air compressor by combining the heat dissipation assembly with the external air, the heat dissipation assembly can also be used to dissipate heat from the control box 71. Specifically, the bed body 1 is sequentially provided with a control area 7, a gas storage area 8 and a compression area 9 from the head to the tail of the bed. The air compressor is bolted and installed in the compression area 9, and the compressor cooling air inlet 111 is arranged at the top of the bed tail close to the compression area 9. The bed body 1 is covered with a bed plate, the bed plate covers the cooling air inlet 11, and there is a gap between the bed plate and the cooling air inlet 11 for ventilation. The gas storage area 8 is provided with a plurality of gas storage tanks, specifically five in this embodiment, including a main gas storage tank 81, a left gas storage tank group 82 and a right gas storage tank group 83. The left gas storage tank group 82 and the right gas storage tank group 83 each comprise two vertically arranged gas storage tanks in communication with each other, and the gas storage tanks close to the main gas storage tank 81 in the left gas storage tank group 82 and the right gas storage tank group 83 are in communication with the main gas storage tank 81. The main gas storage tank 81 is horizontally arranged close to the air cooling piece 5, and the heat dissipation pipe 6 is connected between the main gas storage tank 81 and the air compressor. In other embodiments other than this embodiment, the gas storage tanks in the gas storage area 8 can also be three, including a horizontally arranged main gas storage tank 81, a left gas storage tank and a right gas storage tank, and the left gas storage tank and the right gas storage tank are arranged perpendicular to the main gas storage tank 81. The left gas storage tank and the right gas storage tank are in communication with the main gas storage tank 81. The former is preferred in this embodiment, which can increase the gas storage capacity.

[0047] The control area 7 is provided with a control box 71, and a cover plate is arranged on the top of the control box 71, and a handle is arranged at the center of the cover plate to facilitate opening of the cover plate. Electrical components are installed in the control box 71, and any one or both of the left and right side walls of the control box 71 is / are provided with a ventilation hole 10, and any one or both of the front and rear side walls of the control box 71 is / are provided with a ventilation hole 10. The fan 52 of the air cooling component 5 is arranged close to the control area 7, and an air inlet 11 is further arranged at the head of the bed. The layout mode of the upper ventilation hole 10 of the control box 71 is that the left and right side walls of the control box 71 are both provided with a ventilation hole 10, and the rear side wall (i.e., the side wall away from the head of the bed) of the control box 71 is provided with a ventilation hole 10. When the fan 52 of the air cooling component 5 is started, external air will also be sucked into the air inlet 11 at the head of the bed, and the air will enter the control box 71 through the ventilation hole 10 on the control box 71, thereby achieving ventilation and heat dissipation inside and outside the control box 71, and further ensuring the functionality and service life of the electrical components. In other embodiments other than the present embodiment, the control box 71 can be partitioned by a partition 72, thereby better achieving the layout of the electrical components; the partition 72 is welded to the inside of the control box 71, and each partition 72 is provided with a ventilation hole 10.

[0048] In use, the air cooling component 5 blows air to the heat dissipation pipe 6, strengthens the air flow at the bottom of the bed body, and realizes heat exchange and heat dissipation of the compressed air in the heat dissipation pipe 6; at the same time, the air at the head of the bed is sucked into the control area 7 through the air inlet 11 to dissipate heat for the control box 71, and flows to the gas storage area 8 along the gaps on the two sides and the bottom of the control box 71, and is subsequently discharged at the air cooling component 5, thereby further ensuring the air flow in the bed body and improving the overall heat dissipation effect, and solving the problem that the temperature of the gas entering the air bag also rises due to the rising temperature of the air compressed by the air compressor in the existing external counterpulsation device, thereby reducing the comfort of the patient and affecting the performance of the equipment.

[0049] Embodiment 2

[0050] The difference between the present embodiment and embodiment 1 is that, in order to better achieve ventilation, another layout mode of the upper ventilation hole 10 of the control box 71 is that, as shown in Figure 9 , the left and right side walls of the control box 71 are both provided with a ventilation hole 10, and the front side wall (i.e., the side wall close to the head of the bed) of the control box 71 is provided with a ventilation hole 10, and the ventilation hole 10 is also provided with a fan 52, and the fan 52 can further improve the heat dissipation effect in the control box 71.

[0051] Embodiment 3

[0052] The external counterpulsation device comprising a heat dissipation structure comprises a bed body 1, a bed plate arranged at the top of the bed body 1, and a heat dissipation structure arranged at the bottom of the bed body 1, and the heat dissipation structure is specifically as shown in embodiments 1 and 2. As Figure 10As shown, the inner wall of the side wall of the bed body 1 is provided with a plurality of vertical supports 13, the top of the chamber of the bed body 1 is provided with a plurality of horizontal supports 14 perpendicular to the side wall, and the control area 7 and the compression area 9 are both provided with cover plates, which can further ensure safety and increase the strength of the bed body 1.

[0053] The above is only an embodiment of the present application, and the specific technical solutions and / or common knowledge of characteristics in the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the patent. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A heat dissipation structure of an external counterpulsation device, characterized by: The heat dissipation net is installed on the bottom of the bed body, and a ventilation gap is formed between the heat dissipation net and the ground, and a heat dissipation area is formed between the heat dissipation net and the bottom plate of the bed body; the heat dissipation area is provided with a heat dissipation assembly, and the heat dissipation assembly comprises an air cooling piece and a heat dissipation pipe connected between the air compressor and the gas tank; the air cooling piece comprises a fan cover and a fan fixed on the fan cover, and the bottom of the fan cover is provided with a grille for guiding air to the direction of the heat dissipation pipe; the heat dissipation pipe in the heat dissipation area is in S-shaped spiral distribution, and the end of the air cooling piece close to the heat dissipation pipe is provided.

2. The heat dissipation structure of an external counterpulsation device according to claim 1, characterized in that: The bed body is sequentially provided with a control area, a gas storage area and a compression area from the head to the tail of the bed, and the air cooling piece is arranged close to the control area; and the head is provided with an air inlet.

3. The heat dissipation structure of an external counterpulsation device according to claim 2, characterized in that: The control box is provided with an air inlet; and the control box is provided with an air inlet on any one or both of the left and right side walls; and the control box is provided with an air inlet on any one or both of the front and rear side walls.

4. The heat dissipation structure of an external counterpulsation device according to claim 3, characterized in that: The control box is provided with a plurality of partitions, and the partitions are also provided with air inlets.

5. A heat dissipation structure for an external counterpulsation device according to claim 3 or 4, characterized in that: The left and right side walls of the control box are provided with air inlets; the front side wall of the side close to the head of the control box is provided with an air inlet, and the air inlet is provided with a fan.

6. The heat dissipation structure of an external counterpulsation device according to claim 1, characterized in that: The air inlet is arranged on the outer wall of the head end; the air inlet comprises a left air inlet and a right air inlet, and a switch button is arranged between the left air inlet and the right air inlet.

7. The heat dissipation structure of an external counterpulsation device according to claim 2, characterized in that: The gas storage area is provided with a plurality of gas tanks, at least one of which is arranged close to the air cooling piece, and the heat dissipation pipe is connected between the gas tank and the air compressor; and the air compressor is arranged in the compression area.

8. The heat dissipation structure of an external counterpulsation device according to claim 2, characterized in that: The heat dissipation pipe comprises a plurality of straight pipes, and adjacent straight pipes are connected in series through elbow pipes; the straight pipes are provided with fins; and the air cooling piece is arranged close to the elbow pipe at the end of the head.

9. The heat dissipation structure of an external counterpulsation device according to claim 1, characterized in that: The bottom surface of the bed body is fixed with downward protruding mounting ribs, and the heat dissipation area is surrounded by the two mounting ribs; the ends of the heat dissipation pipe close to the elbow pipe are respectively provided with reinforcing ribs fixed to the bed body, and the reinforcing ribs are also correspondingly provided with limiting strips for limiting the heat dissipation pipe, and the heat dissipation pipe is located between the reinforcing ribs and the limiting strips.

10. The heat dissipation structure of an external counterpulsation device according to claim 9, characterized in that: ​