A pneumatic vent system damper

CN224666278UActive Publication Date: 2026-08-21YUJIU VENTILATION EQUIP (DALIAN) CO LTD
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Patent Information

Application Number
CN202522136705.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-10
Publication Date
2026-08-21
Estimated Expiration
2035-10-10

AI Technical Summary

Technical Problem

[0004]在使用过程中发现,气动式通风系统的风阀在排气时产生的噪音,影响周围环境,现有的气动式通风系统的风阀不方便实现在排气时进行消音,因此亟需一种气动式通风系统的风阀

Benefits of technology

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: pneumatic ventilation adjustment is achieved by cooperating with the control device and the ventilation device; the rotation position of the ventilation device is monitored by the monitoring device; the exhaust gas is silenced by the silencing device; the control device is sealed by the sealing device; and the air supply is adjusted by the air supply device.

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Abstract

The utility model relates to the technical field of air valve, especially a kind of air valve of pneumatic ventilation system, it is adjusted by control device and ventilation device cooperation to pneumatic ventilation, the rotating position of ventilation device is monitored by monitoring device, the sound attenuation device is attenuated to piece exhaust, the control device is sealed by sealing device, the control device is supplied with air and adjusted by air supply device;Including support device;Still including control device, monitoring device, sound attenuation device, ventilation device, sealing device and air supply device, control device, monitoring device and air supply device are all installed on support device, sound attenuation device, ventilation device and sealing device are all installed on control device;Control device carries out pneumatic ventilation adjustment, monitoring device carries out monitoring to rotating position, sound attenuation device carries out sound attenuation, ventilation device is convenient to ventilate, sealing device carries out sealing, air supply device carries out air supply.
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Description

Technical Field

[0001] This utility model relates to the technical field of air valves, and in particular to an air valve for a pneumatic ventilation system. Background Technology

[0002] Pneumatic dampers are indispensable in many fields due to their fast response, intrinsic safety (no electric sparks), high reliability, and large output force. In VAV (variable air volume) systems of central air conditioning, they adjust the air supply volume according to the area load; in fresh air and return air systems, they control the proportion of fresh air to ensure indoor air quality; and in smoke control systems, they quickly switch states during a fire to guide smoke out.

[0003] For example, in a class of prior art represented by application number CN202420575047.X, the main structure includes a pneumatic mechanism body; an air inlet is provided on the outer wall of the pneumatic mechanism body; the valve body is bolted to the lower end of the pneumatic mechanism body, and an indicator groove is provided on the outer wall of the valve body; a valve stem is inserted and connected to the upper end of the valve fan, and the valve stem is inserted and connected to the inner wall of the valve body as a rotating device; the indicator block is installed on the inner wall of the indicator groove, and the indicator block is fixed to the outer wall of the valve stem by screws; the guide strip is welded to the outer wall of the pneumatic mechanism body, and the slide plate is inserted and connected to the outer wall of the guide strip; the knob is screwed and connected to the inner wall of the slide plate, and the plug bolt is fixed to one end of the knob; through the improvement of the air valve of a pneumatic ventilation system, it has the advantages of reasonable structural design, preventing dust from entering the air inlet, and facilitating the detection of the opening and closing status of the air valve, thereby effectively solving the problems and shortcomings of existing devices.

[0004] During use, it was found that the noise generated by the air valve of the pneumatic ventilation system during exhaust affects the surrounding environment. The existing air valves of the pneumatic ventilation system are not convenient to silence during exhaust. Therefore, there is an urgent need for an air valve for the pneumatic ventilation system. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a wind valve for a pneumatic ventilation system that uses a control device and a ventilation device to perform pneumatic ventilation regulation, uses a monitoring device to monitor the rotation position of the ventilation device, uses a silencing device to silence the exhaust gas, uses a sealing device to seal the control device, and uses an air supply device to regulate the air supply to the control device.

[0006] This utility model discloses a pneumatic ventilation system valve, comprising a support device; it also includes a control device, a monitoring device, a silencing device, a ventilation device, a sealing device, and an air supply device. The control device, monitoring device, and air supply device are all mounted on the support device, while the silencing device, ventilation device, and sealing device are all mounted on the control device. The control device performs pneumatic ventilation adjustment, the monitoring device monitors the rotational position, the silencing device silences the exhaust, the ventilation device facilitates ventilation, the sealing device provides sealing, and the air supply device supplies air. Pneumatic ventilation adjustment is achieved through the cooperation of the control device and the ventilation device. The monitoring device monitors the rotational position of the ventilation device, the silencing device silences the exhaust gas, the sealing device seals the control device, and the air supply device adjusts the air supply to the control device.

[0007] Preferably, the support device includes a valve body, a connecting pipe, and a support plate. The valve body is installed on the working pipe, the connecting pipe is installed at the top of the valve body, and the support plate is installed at the top of the connecting pipe; the valve body, the connecting pipe, and the support plate provide support.

[0008] Preferably, the control device includes a pneumatic mechanism body, which is mounted on the top of the support plate. The pneumatic mechanism body is provided with two sets of slide rails, an air inlet, and an air outlet; the pneumatic mechanism body facilitates pneumatic adjustment.

[0009] Preferably, the monitoring device includes a position sensor, which is installed on the connecting pipe; the position sensor is used to monitor the rotational position of the ventilation.

[0010] Preferably, the silencing device includes a silencer one and a silencer two. The silencer one is installed on the air inlet of the main body of the pneumatic mechanism, and the silencer two is installed on the air outlet of the main body of the pneumatic mechanism. The noise of the air inlet and outlet is reduced by the cooperation of the silencer one and the silencer two.

[0011] Preferably, the ventilation device includes a rotating shaft, the output end of the pneumatic mechanism body is connected to the input end of the rotating shaft, and two sets of valves are provided on the rotating shaft; the rotating shaft and the two sets of valves are rotated by starting the pneumatic mechanism body.

[0012] Preferably, the sealing device includes a slider and two sets of sealing plugs. The slider is slidably mounted on a slide rail, and both sets of sealing plugs are mounted on the slider. By moving the slider on the slide rail, the two sets of sealing plugs can be easily installed at the air inlet and air outlet of the pneumatic mechanism body to prevent dust from entering the pneumatic mechanism body and thus affecting the use of the pneumatic mechanism body.

[0013] Preferably, the air supply device includes a miniature air pump, a first air pipe, and a second air pipe. The output end of the miniature air pump is connected to the input end of the first air pipe, the output end of the first air pipe is connected to the input end of a silencer, the input end of the second air pipe is connected to the output end of a silencer, and the output end of the second air pipe is connected to the input end of the miniature air pump. By starting the miniature air pump, gas is input into the main body of the pneumatic mechanism, which facilitates pneumatic control of the main body of the pneumatic mechanism.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: pneumatic ventilation adjustment is achieved by cooperating with the control device and the ventilation device; the rotation position of the ventilation device is monitored by the monitoring device; the exhaust gas is silenced by the silencing device; the control device is sealed by the sealing device; and the air supply is adjusted by the air supply device. Attached Figure Description

[0015] Figure 1 This is an isometric drawing of the structure of this utility model; Figure 2 This is the structural isometric drawing of this utility model; Figure 3 This is the structural isometric drawing of this utility model; Figure 4 yes Figure 1 Enlarged isometric view of the supporting device and control device in this utility model.

[0016] The attached diagram is labeled as follows: 01, support device; 11, valve body; 12, connecting pipe; 13, support plate; 02, control device; 21, main body of pneumatic mechanism; 22, slide rail; 03, monitoring device; 31, position sensor; 04, silencer device; 41, silencer one; 42, silencer two; 05, ventilation device; 51, rotating shaft; 52, valve fan; 06, sealing device; 61, slider; 62, sealing plug; 07, air supply device; 71, miniature air pump; 72, first air pipe; 73, second air pipe. Detailed Implementation

[0017] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0018] Example 1 A pneumatic ventilation system includes a valve, comprising a support device 01; characterized in that it further comprises a control device 02, a monitoring device 03, a silencing device 04, a ventilation device 05, a sealing device 06, and an air supply device 07, wherein the control device 02, the monitoring device 03, and the air supply device 07 are all mounted on the support device 01, and the silencing device 04, the ventilation device 05, and the sealing device 06 are all mounted on the control device 02; Control device 02 performs pneumatic ventilation adjustment, monitoring device 03 monitors the rotation position, silencing device 04 performs noise reduction, ventilation device 05 facilitates ventilation, sealing device 06 performs sealing, and air supply device 07 supplies air. The support device 01 includes a valve body 11, a connecting pipe 12, and a support plate 13. The valve body 11 is installed on the working pipe, the connecting pipe 12 is installed on the top of the valve body 11, and the support plate 13 is installed on the top of the connecting pipe 12. The control device 02 includes a pneumatic mechanism body 21, which is mounted on the top of the support plate 13. The pneumatic mechanism body 21 is provided with two sets of slide rails 22, an air inlet and an air outlet. The monitoring device 03 includes a position sensor 31, which is mounted on the connecting pipe 12; The silencing device 04 includes a first silencer 41 and a second silencer 42. The first silencer 41 is installed on the air inlet of the pneumatic mechanism body 21, and the second silencer 42 is installed on the air outlet of the pneumatic mechanism body 21. The ventilation device 05 includes a rotating shaft 51, the output end of the pneumatic mechanism body 21 is connected to the input end of the rotating shaft 51, and two sets of valve fans 52 are provided on the rotating shaft 51. The air supply device 07 includes a miniature air pump 71, a first air pipe 72, and a second air pipe 73. The output end of the miniature air pump 71 is connected to the input end of the first air pipe 72, the output end of the first air pipe 72 is connected to the input end of the silencer 1 41, the input end of the second air pipe 73 is connected to the output end of the silencer 2 42, and the output end of the second air pipe 73 is connected to the input end of the miniature air pump 71. Control device 02 performs pneumatic ventilation adjustment, monitoring device 03 monitors the rotation position, silencer 04 performs noise reduction, ventilation device 05 facilitates ventilation, and air supply device 07 supplies air. The valve body 11 is installed on the working pipe. When the valve fan 52 needs to be opened, the micro air pump 71 is started to input gas into the pneumatic mechanism body 21, which facilitates pneumatic control of the pneumatic mechanism body 21. The rotating shaft 51 and the two sets of valve fans 52 are rotated to facilitate gas flow. During the opening process, the position sensor 31 monitors the rotation position of the rotating shaft 51 to detect whether the rotating shaft 51 is open. When exhaust is required, the first air pipe 72 and the second air pipe 73 are removed from the silencer 41 and the silencer 42. The noise of the inlet and outlet air is reduced by the cooperation of the silencer 41 and the silencer 42.

[0019] Example 2 like Figures 1 to 4 As shown, in addition to Embodiment 1, a sealing device 06 is also included; The sealing device 06 includes a slider 61 and two sets of sealing plugs 62. The slider 61 is slidably mounted on the slide rail 22, and both sets of sealing plugs 62 are mounted on the slider 61. The sealing device 06 is used for sealing; When the pneumatic mechanism body 21 is not in use, remove the silencer 41 and silencer 42 from the pneumatic mechanism body 21. Move the slider 61 on the slide rail 22 to facilitate the installation of the two sets of sealing plugs 62 at the air inlet and air outlet of the pneumatic mechanism body 21, so as to prevent dust from entering the pneumatic mechanism body 21 and thus affecting its use.

[0020] This utility model discloses a pneumatic ventilation system valve. During operation, the valve body 11 is first installed on the working pipe. When the valve fan 52 needs to be opened, the micro air pump 71 is activated to input gas into the pneumatic mechanism body 21, facilitating pneumatic control of the pneumatic mechanism body 21. This allows the rotating shaft 51 and the two sets of valve fans 52 to rotate, facilitating gas flow. During the opening process, the position sensor 31 monitors the rotational position of the rotating shaft 51 to detect whether the shaft 51 is open. When exhaust is required, the first air pipe 7... 2. The second air pipe 73 is removed from the silencer 41 and silencer 42. The silencer 41 and silencer 42 work together to reduce the noise of the air intake and exhaust. When the pneumatic mechanism body 21 is not in use, the silencer 41 and silencer 42 are removed from the pneumatic mechanism body 21. The slider 61 is moved on the slide rail 22 to facilitate the installation of the two sets of sealing plugs 62 at the air intake and exhaust ports of the pneumatic mechanism body 21 to prevent dust from entering the pneumatic mechanism body 21 and thus affecting its use.

[0021] The pneumatic mechanism body 21, position sensor 31, silencer one 41, silencer two 42 and miniature air pump 71 of this utility model are purchased from the market. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0022] The main function achieved by this utility model is to reduce noise when the pneumatic mechanism body exhausts gas.

[0023] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A damper for a pneumatic ventilation system, comprising a support device (01); characterized in that, It also includes a control device (02), a monitoring device (03), a silencing device (04), a ventilation device (05), a storage device (06), and a gas supply device (07). The control device (02), the monitoring device (03), and the gas supply device (07) are all installed on the support device (01), and the silencing device (04), the ventilation device (05), and the storage device (06) are all installed on the control device (02). The control device (02) performs pneumatic ventilation adjustment, the monitoring device (03) monitors the rotation position, the silencing device (04) performs silencing, the ventilation device (05) facilitates ventilation, the sealing device (06) performs sealing, and the gas supply device (07) supplies gas.

2. The air valve of a pneumatic ventilation system as described in claim 1, characterized in that, The support device (01) includes a valve body (11), a connecting pipe (12) and a support plate (13). The valve body (11) is installed on the working pipe, the connecting pipe (12) is installed on the top of the valve body (11), and the support plate (13) is installed on the top of the connecting pipe (12).

3. The air valve of a pneumatic ventilation system as described in claim 2, characterized in that, The control device (02) includes a pneumatic mechanism body (21), which is installed on the top of the support plate (13). The pneumatic mechanism body (21) is provided with two sets of slide rails (22), an air inlet and an air outlet.

4. The air valve of a pneumatic ventilation system as described in claim 2, characterized in that, The monitoring device (03) includes a position sensor (31), which is installed on the connecting pipe (12).

5. The air valve of a pneumatic ventilation system as described in claim 3, characterized in that, The silencing device (04) includes a first silencer (41) and a second silencer (42). The first silencer (41) is installed on the air inlet of the pneumatic mechanism body (21), and the second silencer (42) is installed on the air outlet of the pneumatic mechanism body (21).

6. The air valve of a pneumatic ventilation system as described in claim 3, characterized in that, The ventilation device (05) includes a rotating shaft (51), the output end of the pneumatic mechanism body (21) is connected to the input end of the rotating shaft (51), and two sets of valve fans (52) are provided on the rotating shaft (51).

7. The air valve of a pneumatic ventilation system as described in claim 3, characterized in that, The sealing device (06) includes a slider (61) and two sets of sealing plugs (62). The slider (61) is slidably mounted on the slide rail (22), and the two sets of sealing plugs (62) are mounted on the slider (61).

8. The air valve of a pneumatic ventilation system as described in claim 5, characterized in that, The air supply device (07) includes a micro air pump (71), a first air pipe (72) and a second air pipe (73). The output end of the micro air pump (71) is connected to the input end of the first air pipe (72), the output end of the first air pipe (72) is connected to the input end of the silencer (41), the input end of the second air pipe (73) is connected to the output end of the silencer (42), and the output end of the second air pipe (73) is connected to the input end of the micro air pump (71).

Citation Information

Patent Citations

  • Air valve of pneumatic ventilation system

    CN222229624U