Pressure balance air supply device
By designing a pressure-balanced air supply device with baffles and regulating mechanisms, the problems of air volume fluctuation and noise control are solved, achieving stability of air volume and reduction of noise, which is suitable for ship cabin air supply systems.
Patent Information
- Application Number
- CN202422881752.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing ship cabin air supply terminals lack pressure balancing devices, resulting in poor air volume fluctuations and noise control. Furthermore, the traditional structure cannot adjust the resistance of the air conditioning system terminals.
A pressure-balanced air supply device was designed, which uses baffles and adjustment mechanisms, combined with fireproof and sound-absorbing rock wool. The air supply volume is balanced and noise is controlled by adjusting the air inlet valve plate and air inlet hole. Precise adjustment is achieved by using a drive gear and rack system, and the sealing performance is improved by inner and outer sleeves.
It achieves stable air volume and reduced noise, improves the applicability and sealing of the air supply device, and meets the personalized air volume requirements of different compartments.
Smart Images

Figure CN223467312U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of air supply devices, specifically a kind of pressure balance air supply device. BACKGROUND
[0002] The conventional air supply end for existing ship cabin usually adopts straight distribution type air distributor, and air is supplied directly to each cabin by centralized air supply, which cannot suppress the end resistance of air conditioning system due to the lack of pressure balance device, resulting in poor volatility, adjustability and applicability of air supply volume, and the sudden change flow channel of traditional internal structure is not friendly to cabin noise control. SUMMARY
[0003] The utility model provides a kind of pressure balance air supply device with simple structure, which can suppress the end resistance of air conditioning system, balance air supply volume and pressure, and effectively reduce air supply fluctuation and noise.
[0004] The utility model discloses a kind of pressure balance air supply device, including box, the side of box is provided with air inlet, the lower end of box is provided with air outlet, the baffle between air inlet and air outlet is arranged in box, it is characterized by: the steady flow pipe is arranged in air inlet, multiple air inlet holes are evenly arranged on the outer wall of steady flow pipe, the air inlet valve plate that is attached to the inner wall of steady flow pipe is arranged in steady flow pipe, air inlet valve plate is connected with air inlet connecting rod towards inside, air inlet connecting rod is connected with baffle vertical plate, the adjusting seat is connected with baffle horizontal plate below, the rotating rod is connected with adjusting seat, the driving gear that is rotated and supported on adjusting seat is connected with rotating rod upper end, adjusting seat is also connected with adjusting rail seat along the adjusting rail of the axial direction of air inlet connecting rod, the driving rack is arranged on adjusting rail seat, the driving rack is engaged with driving gear, the driving rack is connected with air inlet connecting rod by limiting block, the air outlet diffuser or air adjusting wheel or air adjusting knob is connected with rotating rod downwards and extends air outlet, the limiting seat is also arranged below baffle horizontal plate, the limiting baffle that is located on the both sides of limiting block along the axial direction of air inlet connecting rod is arranged on limiting seat, the one end of loose joint bolt is connected with limiting seat, the other end of loose joint bolt is connected with adjusting rail seat.
[0005] The inner wall of the box is provided with fireproof sound-absorbing rock wool.
[0006] The side of the baffle, which is not directed towards the air outlet, is provided with fireproof sound-absorbing rock wool.
[0007] The air inlet valve plate is provided with an inner sleeve, which is attached to the inner wall of the steady flow pipe.
[0008] The inner wall of the inner sleeve is provided with fireproof sound-absorbing rock wool.
[0009] The air inlet connecting rod is connected with an outer sleeve, which is attached to the outer wall of the steady flow pipe, between the air inlet valve plate and the baffle, and the outer opening of the outer sleeve is flush with the inner side end surface of the air inlet valve plate.
[0010] The outer sleeve outer wall is provided with fireproof and soundproof rock wool.
[0011] The beneficial effect of the utility model is: in the air supply device debugging installation stage, according to the front and rear position of the air supply pipeline, the loose joint bolt is adjusted to drive the rack displacement adjustment, so that the rack drives the air inlet valve plate to the initial position in the steady flow pipe, when the required air supply amount of the corresponding cabin is met, the air supply resistance loaded by the air inlet valve plate is made, so that the system air volume reaches balance, and the air volume requirement of the air conditioning system distributed to each cabin is met;When the cabin individual demand air volume, the driving gear is rotated by driving the rotating rod, and the driving rack is driven by the limiting block to drive the air inlet connecting rod to push and pull the air inlet valve plate, so that the number of air inlet holes of the air inlet of the steady flow pipe is adjusted, and the cabin secondary regulation air supply amount is realized;The adjustment of the rack is controlled by the limiting block of the limiting baffle on both sides, the inner sleeve is arranged behind the air inlet valve plate, or the outer sleeve of the steady flow pipe is arranged in the inner end of the steady flow pipe with the air inlet connecting rod, and the fireproof and soundproof rock wool is matched, to further improve the sealing property of the air inlet valve plate, so that the stability, sealing, air leakage noise and other properties of the air distribution device are improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structure schematic view of the utility model embodiment one;
[0013] Figure 2 It is Figure 1 It is a view from A to middle;
[0014] Figure 3 It is a structure schematic view of the utility model embodiment two;
[0015] Figure 4 It is a structure schematic view of the utility model embodiment three.
[0016] In the drawing: box 1, air inlet 2, air outlet 3, steady flow pipe 4, air inlet hole 5, air inlet valve plate 6, air inlet connecting rod 7, baffle plate 8, baffle plate vertical plate 9, baffle plate horizontal plate 10, adjusting seat 11, driving gear 12, adjusting track seat 13, adjusting track 14, driving rack 15, rotating rod 16, air regulating knob 17, limiting block 18, limiting seat 19, limiting baffle 20, loose joint bolt 21, inner sleeve 22, outer sleeve 23. DETAILED DESCRIPTION
[0017] The following is further illustrated in combination with the drawings and embodiments.
[0018] Figure 1 、 2As shown in the embodiment, a pressure balance air supply device comprises a box 1, an air inlet 2, an air outlet 3, a steady flow pipe 4, an air inlet hole 5, an air inlet valve plate 6, an air inlet connecting rod 7, a baffle plate 8, a baffle plate vertical plate 9, a baffle plate horizontal plate 10, an adjusting seat 11, a driving gear 12, an adjusting track seat 13, a guide groove 14, a driving rack 15, a rotating rod 16, an air adjusting knob 17, a limiting block 18, a limiting seat 19, a limiting baffle 20, and a loose bolt 21. The air inlet 2 is arranged on one side of the box 1, and the air outlet 3 is arranged at the lower end. The baffle plate 8 is arranged between the air inlet and the air outlet. The steady flow pipe 4 is arranged in the air inlet 2. Multiple air inlet holes 5 are uniformly arranged on the outer wall of the steady flow pipe 4. The air inlet valve plate 6 is arranged on the inner wall of the steady flow pipe 4. The air inlet valve plate 6 is connected to the air inlet connecting rod 7 on the inner side. The air inlet connecting rod 7 penetrates the baffle plate vertical plate 9 of the baffle plate 8. The baffle plate horizontal plate 10 of the baffle plate 8 is connected to the adjusting seat 11 and the limiting seat 19 below. The adjusting seat 11 is connected to the baffle plate horizontal plate at both ends. The adjusting seat 11 is a concave part in the middle. The rotating rod 16 penetrates the concave part. The upper end of the rotating rod 16 is connected to the driving gear 12 which is rotatably supported on the adjusting seat. The concave part is also connected to the adjusting track seat 13 through the adjusting track 14 in the axial direction of the air inlet connecting rod. The driving rack 15 is arranged on the adjusting track seat 13. The driving rack 15 is engaged with the driving gear 12. The driving rack 15 is connected to the air inlet connecting rod 7 through the limiting block 18. The rotating rod 16 extends downward to connect the air outlet diffuser, the air adjusting knob 17, or the air adjusting knob 17 outside the air outlet 3. The limiting baffle 20 is arranged on the limiting seat 19 and located on both sides of the limiting block 18 in the axial direction of the air inlet connecting rod. One end of the loose bolt 21 penetrates the limiting seat 19. The other end of the loose bolt 21 penetrates the adjusting track seat 13.
[0019] Figure 3 As shown in the embodiment, the difference between the embodiment and the first embodiment is that the air inlet valve plate 6 is arranged with an inner sleeve 22 which is attached to the inner wall of the steady flow pipe 4.
[0020] Figure 4 As shown in the embodiment, the difference between the embodiment and the first embodiment is that the air inlet valve plate 6 is arranged with an inner sleeve 22 which is attached to the inner wall of the steady flow pipe 4.
[0021] On the basis of the embodiment, it is a prior art to arrange fireproof and soundproof rock wool at the positions of the box and the baffle plate of the device. Therefore, the same structure of the air inlet valve plate, the inner sleeve, and the outer sleeve is added with fireproof and soundproof rock wool, which is a simple improvement. The embodiment and the drawings are not described in detail.
Claims
1. A pressure balanced air supply device, comprising a box, an air inlet arranged on one side of the box, an air outlet arranged at a lower end of the box, and a baffle arranged in the box between the air inlet and the air outlet, characterized in that: The air inlet is provided with a steady flow pipe, a plurality of air inlet holes are uniformly arranged on the outer wall of the steady flow pipe, an air inlet valve plate is arranged on the inner wall of the steady flow pipe, the air inlet valve plate is connected to an air inlet connecting rod, the air inlet connecting rod is connected to a baffle vertical plate, the baffle horizontal plate is connected to an adjusting seat, the adjusting seat is connected to a rotating rod, the upper end of the rotating rod is connected to a driving gear rotatingly supported on the adjusting seat, the adjusting seat is further connected to an adjusting track seat through an adjusting track along the axial direction of the air inlet connecting rod, the adjusting track seat is provided with a driving rack, the driving rack is engaged with the driving gear, the driving rack is connected to the air inlet connecting rod through a limiting block, the rotating rod extends downward to an air outlet and is connected to an air outlet diffuser, an air adjusting wheel or an air adjusting knob, the baffle horizontal plate is further provided with a limiting seat, the limiting seat is provided with limiting baffles respectively located on both sides of the limiting block along the axial direction of the air inlet connecting rod, one end of a loose bolt is connected to the limiting seat, and the other end of the loose bolt is connected to the adjusting track seat.
2. The pressure balanced air delivery device of claim 1, wherein: The inner wall of the box is provided with fireproof and soundproof rock wool.
3. The pressure balanced air delivery device of claim 1, wherein: The side of the baffle plate away from the air outlet is provided with fireproof and soundproof rock wool.
4. The pressure balanced air delivery device of claim 1, wherein: The air inlet valve plate is provided with an inner sleeve pipe matched with the inner wall of the steady flow pipe.
5. A pressure balanced air supply device according to claim 4, wherein: The inner wall of the inner sleeve pipe is provided with fireproof and soundproof rock wool.
6. The pressure balanced air delivery device of claim 1, wherein: The air inlet connecting rod is connected to an outer sleeve pipe matched with the outer wall of the steady flow pipe between the air inlet valve plate and the baffle plate, and the outer opening of the outer sleeve pipe is flush with the inner side end surface of the air inlet valve plate.
7. A pressure balanced air supply device according to claim 6, wherein: The outer wall of the outer sleeve pipe is provided with fireproof and soundproof rock wool.