Noise reduction device for heating blanket

Abstract

The utility model discloses a heating blanket noise reduction device which comprises an air outlet elbow, an air guide pipe, an air pipe sheath and an air pipe air outlet assembly mechanism, one end of the air outlet elbow is connected with a heating blanket main machine, the other end of the air outlet elbow is communicated with the air guide pipe, and a turbulent flow partition plate is arranged in the air outlet elbow; the air guide pipe is communicated with the air pipe air outlet assembly mechanism, and the air guide pipe sheath is arranged outside the air guide pipe; the air pipe air outlet assembly mechanism is connected with the heating blanket, and a partition plate is arranged in the air pipe air outlet assembly mechanism. Through the arrangement of the air outlet elbow, the air pipe sheath and the air pipe air outlet assembly mechanism, the noise in the using process of the heating blanket can be reduced to a certain extent, and the comfort of people using equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical warming blankets, and specifically relates to a noise reduction device for a warming blanket. Background Art

[0002] During the whole surgical process of the warming blanket device, a main machine inflates and heats a disposable warming blanket. Since the air outlet state of the blower from the elbow connected to the blower is an irregular flow and will impact the air outlet elbow, the continuous irregular flow will increase the flow noise and the indoor noise will become larger. In addition, since the main machine blows air from the air duct connected to the main machine and the air is blown to the warming blanket through the air duct, and since the air duct is in a retractable state, that is, a wrinkled state, there are many obstacles for the air to pass through the wrinkled state of the air duct from the main machine, and the air flow velocity is an irregular flow, which will impact the wrinkled air duct, and the continuous irregular flow will also cause an uncomfortable feeling for the users of the blower.

[0003] Therefore, the inventor of the present utility model urgently needs to conceive a new technology to improve the problem. Summary of the Utility Model

[0004] The present utility model aims to provide a noise reduction device for a warming blanket, which can effectively reduce the noise during the use of the warming blanket and improve the comfort of the users of the device.

[0005] To solve the above technical problems, the technical solution of the present utility model is:

[0006] A noise reduction device for a warming blanket, comprising: an air outlet elbow, a guide air duct, an air duct sheath and an air duct air outlet assembly mechanism, wherein one end of the air outlet elbow is connected to the warming blanket main machine, and the other end is communicated with the guide air duct, and a flow disturbing partition is arranged inside the air outlet elbow; the guide air duct is communicated with the air duct air outlet assembly mechanism, and the guide air duct sheath is arranged outside the guide air duct; the air duct air outlet assembly mechanism is connected to the warming blanket, and a partition is arranged inside it.

[0007] Further, the air duct air outlet assembly mechanism includes a front air outlet joint and a rear air outlet joint, wherein the partition is arranged inside the front air outlet joint, one end of the front air outlet joint is connected to the guide air duct, the other end is connected to the rear air outlet joint, and the other end of the rear air outlet joint is connected to the warming blanket.

[0008] Further, a filtering mechanism for secondary noise reduction is arranged at the connection part between the front air outlet joint and the rear air outlet joint.

[0009] Further, it further includes a temperature sensor for detecting the air outlet temperature, and the temperature sensor is arranged on the air outlet elbow.

[0010] Further, the length of the air duct sheath is the same as that of the air duct, and its diameter is 30-50 mm larger than that of the air duct.

[0011] Further, the air duct sheath is made of TPU composite fabric.

[0012] Further, the filtering mechanism is a ring-shaped filter cotton.

[0013] Further, a number of elbow combination mounting holes are provided on the air outlet elbow, and it is fixedly connected to the main body of the heating blanket by means of screw locking.

[0014] Further, the front air outlet joint and the rear air outlet joint are connected by threads.

[0015] Further, the air duct sheath is sleeved on the air duct by sewing elastic bands at both ends.

[0016] Adopting the above technical solutions, the utility model has at least the following beneficial effects:

[0017] For the heating blanket noise reduction device of the utility model, by adding a flow disturbance partition plate at the central part of the air outlet elbow, the air flow is maximally changed from irregular wind speed flow to smooth flow, achieving a certain degree of noise reduction. Then, by adding an air duct sheath outside the air duct, the two ends and the whole air duct of the air duct are protected, further achieving the purposes of sound insulation, noise reduction and heat preservation. Finally, the air duct air outlet assembly mechanism is connected to the air duct, and a partition plate is added inside the front air outlet joint to maximally change the air flow from irregular wind speed flow to smooth flow. The front air outlet joint and the rear air outlet joint are connected by threads, and a ring-shaped filter cotton is added inside the threaded connection for secondary noise reduction. Through the settings of the air outlet elbow, the air duct sheath and the air duct air outlet assembly mechanism, the noise during the use of the heating blanket can be reduced to a certain extent, and the comfort of the users of the equipment can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the heating blanket noise reduction device of the utility model;

[0019] Figure 2 is a schematic structural diagram of the air outlet elbow of the utility model;

[0020] Figure 3 is a schematic sectional view of the air outlet elbow of the utility model;

[0021] Figure 4 is a schematic structural diagram of the first air outlet elbow of the utility model;

[0022] Figure 5 is a schematic structural diagram of the second air outlet elbow of the utility model;

[0023] Figure 6 Schematic structural diagram of the air duct air outlet assembly mechanism of the present utility model;

[0024] Figure 7 Schematic cross-sectional view of the air duct air outlet assembly mechanism of the present utility model.

[0025] Wherein: 1. Heating blanket main machine, 2. Air outlet elbow, 21. Turbulence baffle, 22. Temperature sensor, 23. Elbow combined installation hole, 24. First air outlet elbow, 25. Second air outlet elbow, 3. Air duct, 4. Air duct sheath, 5. Air duct air outlet assembly mechanism, 51. Front air outlet joint, 52. Rear air outlet joint, 53. Baffle, 54. Filter mechanism, 6. Heating blanket. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] As Figures 1 to 7 shown, a noise reduction device for a heating blanket 6 in line with the present utility model includes: an air outlet elbow 2, an air duct 3, an air duct sheath 4, and an air duct air outlet assembly mechanism 5. One end of the air outlet elbow 2 is connected to the heating blanket main machine 1, and the other end is connected to the air duct 3. A turbulence baffle 21 is arranged inside the air outlet elbow 2; the air duct 3 is connected to the air duct air outlet assembly mechanism 5, and the air duct sheath is arranged outside the air duct 3; the air duct air outlet assembly mechanism 5 is connected to the heating blanket 6, and a baffle 53 is arranged inside it.

[0028] Furthermore, the air duct air outlet assembly mechanism 5 includes a front air outlet joint 51 and a rear air outlet joint 52. A baffle 53 is arranged inside the front air outlet joint 51. One end of the front air outlet joint 51 is connected to the air duct 3, and the other end is connected to the rear air outlet joint 52. The other end of the rear air outlet joint 52 is connected to the heating blanket 6.

[0029] Furthermore, a filter mechanism 54 for secondary noise reduction is arranged at the connection part of the front air outlet joint 51 and the rear air outlet joint 52.

[0030] Furthermore, it further includes a temperature sensor 22 for detecting the air outlet temperature, and the temperature sensor 22 is arranged on the air outlet elbow 2.

[0031] Further, the length of the air duct sheath 4 is the same as that of the air guide duct 3, and its diameter is 30 - 50 mm larger than that of the air guide duct 3.

[0032] Further, the air duct sheath 4 is made of TPU composite fabric, which plays the role of sound insulation and heat preservation.

[0033] Further, the filtering mechanism 54 is a ring-shaped filter cotton.

[0034] Further, a number of elbow combination mounting holes 23 are provided on the air outlet elbow 2, and it is fixedly connected to the heating blanket main body 1 by means of screw locking.

[0035] Further, the front air outlet joint 51 and the rear air outlet joint 52 are connected by threads.

[0036] Further, the air duct sheath 4 is sleeved on the air guide duct 3 by sewing elastic bands at both ends.

[0037] The working principle of the present utility model will be described in detail below with a preferred embodiment.

[0038] See Figures 2 - 5 , the air outlet elbow 2 includes a first air outlet elbow 24, a second air outlet elbow 25, a number of elbow combination mounting holes 23, a temperature sensor 22 and a flow disturbance partition 21, and the flow disturbance partition 21 is arranged in the middle of the air outlet elbow 2. It is connected to the heating blanket main body 1 by aligning through a number of elbow combination mounting holes 23 and the fan connection mounting holes. Preferably, the temperature sensor 22 is installed at the lower part of the second air outlet elbow 25, then the first air outlet elbow 24 and the second air outlet elbow 25 are aligned and combined for installation, and the elbow combination mounting holes 23 are locked with screws, and the flow disturbance partition 21 in the middle is aligned and combined. The temperature sensor 22 can well monitor the temperature of the air, and the flow disturbance partition 21 and the parts in contact with the wind speed inside are preferably set to be smooth.

[0039] By adding the air duct sheath 4 outside the air guide duct 3, the air duct sheath 4 is sleeved on the air guide duct 3 by sewing elastic bands at both ends. The length of the air duct sheath 4 is the same as that of the air guide duct 3, and its diameter is 30 - 50 mm larger than that of the air guide duct 3. The air duct sheath 4 protects the two ends and the whole of the air guide duct 3. The air duct sheath 4 is made of TPU composite fabric, which plays the role of sound insulation and can keep the air duct warm. Of course, this embodiment does not limit the use of other materials, and other materials that can play the corresponding role of sound insulation and heat preservation are also within the protection scope of this embodiment.

[0040] For the air duct air outlet assembly mechanism 5, see Figure 6 and Figure 7, the air outlet front joint 51 is connected to the air duct 3. A partition 53 is added inside the air outlet front joint 51 to maximize the change from irregular air velocity flow to smooth flow. The air outlet front joint 51 and the air outlet rear joint 52 are connected by threads, and a ring-shaped filter cotton is added inside the threaded connection for secondary noise reduction.

[0041] For the noise reduction device of the heating blanket 6 of the present utility model, by adding a spoiler partition 21 at the central part of the air outlet elbow 2, the air flow is maximally changed from irregular air velocity flow to smooth flow, achieving a certain degree of noise reduction. Then, by adding an air duct sheath 4 outside the air duct 3, the two ends and the overall air duct of the air duct 3 are protected, further achieving the purpose of sound insulation, noise reduction and heat preservation. Finally, it is connected to the air duct through the air duct air outlet assembly mechanism 5. A partition 53 is added inside the front air outlet joint to maximize the change from irregular air velocity flow to smooth flow. The front air outlet joint and the rear air outlet joint are connected by threads, and a ring-shaped filter cotton is added inside the threaded connection for secondary noise reduction. Through the settings of the air outlet elbow 2, the air duct sheath 4 and the air duct air outlet assembly mechanism 5, the noise during the use of the heating blanket 6 can be reduced to a certain extent, improving the comfort of the users of the equipment.

[0042] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A noise reduction device for a heating blanket, characterized in that, Including: An air outlet elbow, a duct, a duct sheath, and a duct air outlet assembly mechanism. One end of the air outlet elbow is connected to the main body of the heating blanket, and the other end is communicated with the duct. A flow disturbance partition is arranged inside the air outlet elbow; the duct is communicated with the duct air outlet assembly mechanism, and the duct sheath is arranged outside the duct; the duct air outlet assembly mechanism is connected to the heating blanket, and a partition is arranged inside it.

2. The noise reduction device for the temperature-rising blanket according to claim 1, wherein: The duct air outlet assembly mechanism includes a front air outlet joint and a rear air outlet joint. A partition is arranged inside the front air outlet joint. One end of the front air outlet joint is connected to the duct, and the other end is connected to the rear air outlet joint. The other end of the rear air outlet joint is connected to the heating blanket.

3. The heating blanket noise reduction device according to claim 2, wherein: A filtering mechanism for secondary noise reduction is arranged at the connection part between the front air outlet joint and the rear air outlet joint.

4. The temperature-raising blanket noise reduction device according to claim 1, characterized in that: It further includes a temperature sensor for detecting the air outlet temperature, and the temperature sensor is arranged on the air outlet elbow.

5. The noise reduction device for the temperature-rising blanket according to claim 1, characterized in that: The length of the duct sheath is the same as that of the duct, and its diameter is 30 - 50 mm larger than that of the duct.

6. The noise reduction device for the temperature-rising blanket according to claim 1, wherein: The duct sheath is made of TPU composite fabric.

7. The noise reduction device for the temperature-rising blanket according to claim 3, wherein: The filtering mechanism is a ring-shaped filter cotton.

8. The noise reduction device for the temperature-rising blanket according to claim 1, wherein: A number of elbow combination mounting holes are arranged on the air outlet elbow, and it is fixedly connected to the main body of the heating blanket by means of screw locking.

9. The temperature-rising blanket noise reduction device according to claim 2, wherein: The front air outlet joint and the rear air outlet joint are connected by threads.

10. The noise reduction device for the temperature-rising blanket according to claim 1, wherein: The duct sheath is sleeved on the duct by sewing elastic bands at both ends.

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