阅读说明：本技术 一种可调节静压的防火余压一体阀 (Fire prevention excess pressure integrative valve of adjustable static pressure ) 是由 李岑 徐驰 梁幻天 曹建 刘英杰 李萌 于 2021-08-24 设计创作，主要内容包括：本发明提供一种可调节静压的防火余压一体阀,包括阀门通道上设置的若干叶片,各所述叶片可绕各自的转轴转动,并通过转动实现对阀门通道的开启或关闭；各所述叶片通过联动机构实现相对各自转轴的同步转动控制,所述联动机构连接有执行机构,所述执行机构用于通过所述联动机构驱动各所述叶片转动；所述阀门通道上还设有压差传感器和温度传感器,所述压差传感器和温度传感器分别与控制机构信号连接并反馈各自的检测信号,控制机构与所述执行机构信号连接,并根据收集到的检测信号控制执行机构的运动。本发明可根据需要调节不同压差值,并具有良好的防火功能。(The invention provides a fire-proof excess pressure integrated valve capable of adjusting static pressure, which comprises a plurality of blades arranged on a valve channel, wherein each blade can rotate around a respective rotating shaft and realizes the opening or closing of the valve channel through rotation; the blades realize synchronous rotation control relative to respective rotating shafts through a linkage mechanism, the linkage mechanism is connected with an executing mechanism, and the executing mechanism is used for driving the blades to rotate through the linkage mechanism; the valve passage is also provided with a differential pressure sensor and a temperature sensor, the differential pressure sensor and the temperature sensor are respectively in signal connection with the control mechanism and feed back respective detection signals, and the control mechanism is in signal connection with the actuating mechanism and controls the actuating mechanism to move according to the collected detection signals. The invention can adjust different differential pressure values according to requirements and has good fireproof function.)

1. A fire prevention excess pressure integrated valve capable of adjusting static pressure comprises a plurality of blades (1) arranged on a valve channel, wherein each blade (1) can rotate around a respective rotating shaft (15) and can open or close the valve channel through rotation; the blades (1) are synchronously controlled to rotate relative to the rotating shafts (15) through a linkage mechanism, the linkage mechanism is connected with an executing mechanism (7), and the executing mechanism (7) is used for driving the blades (1) to rotate through the linkage mechanism; the valve passage is also provided with a differential pressure sensor (4) and a temperature sensor (5), the differential pressure sensor (4) and the temperature sensor (5) are respectively in signal connection with a control mechanism and feed back respective detection signals, and the control mechanism is in signal connection with the execution mechanism (7) and controls the movement of the execution mechanism (7) according to the collected detection signals.

2. A fire residual pressure integrated valve capable of adjusting static pressure according to claim 1, wherein the control mechanism is a computer, a single chip microcomputer or a control chip, and realizes effective signal receiving, processing and control signal output through a preset program or circuit, and the control mechanism is arranged independently or in an execution mechanism.

3. Fire excess pressure integrated valve capable of adjusting static pressure according to claim 1, characterized in that the actuator comprises a motor, the output end of the motor is fixedly connected with the rotating shaft (15) of one of the blades (1), the rotating shaft (15) of the blade (1) is driven to rotate through the output end of the motor, and the rotation of the rotating shaft (15) is synchronized to the rotating shafts of the other blades under the action of the linkage mechanism.

4. A fire residual pressure integrated valve capable of adjusting static pressure according to claim 1, wherein the linkage mechanism comprises hinges (10) respectively fixedly connected to the blades (1), free ends of the hinges (10) are commonly connected with a connecting rod (9), and the connecting rod (9) can synchronously drive the hinges (10) to move when moving.

5. Fire residual pressure integrated valve capable of adjusting static pressure according to claim 1, characterized in that the differential pressure sensor (4) and the temperature sensor (5) can be fixedly installed on the blade (1).

6. The fire-proof residual pressure integrated valve with adjustable static pressure as claimed in claim 1, characterized in that the valve passage is enclosed by a valve frame (16), a support (2) is arranged on one group of side walls opposite to the valve frame (16), a plurality of rotating sleeves (17) capable of being matched with rotating shafts (15) of the blades (1) are arranged on the support (2), and the rotating shafts (15) are sleeved in the rotating sleeves (17); the support (2) can be in contact sealing with the outer side of the blade (1).

7. A fire-proof residual pressure integrated valve capable of adjusting static pressure according to claim 6, characterized in that the valve frame (16) is surrounded by three walls, the fourth surface is fixed on the upright post (8), the upright post (8) is arranged on the side opposite to the valve passage and is enclosed with the wall to form a hollow space for maintenance, the actuating mechanism (7) is arranged in the hollow space, the output end of the motor of the actuating mechanism sequentially penetrates through the upright post (8) and the valve frame (16) to be fixedly connected with the rotating shaft (15) of one of the blades (1), and the hollow space is further provided with an access door (6).

8. Fire residual pressure integrated valve capable of adjusting static pressure according to claim 1, characterized in that the top and the bottom of the valve channel are respectively provided with a beam (14), the middle of the beam (14) is provided with a baffle (11), and the baffle (11) can form contact sealing with the adjacent blade (1).

9. The fire residual pressure integrated valve capable of adjusting the static pressure is characterized in that the blade (1) comprises two half pieces (18), the two half pieces (18) are respectively fixed on two sides of the rotating shaft (15) and are fixedly locked by self-tapping screws (12), and further, shaft covers (3) are arranged on the two half pieces (18) at the locking positions of the self-tapping screws (12); each hinge (10) is fixedly connected with the corresponding blade (1) through a connecting bolt (13); adjacent blades (1) are laminated to each other by the ends of the half-sheets (18) to form a contact seal.

Technical Field

The invention relates to the technical field of smoke prevention systems for common buildings, railways and urban rail engineering projects, in particular to the technical field of residual pressure valves and fire prevention valves.

Background

At present, the waste pressure valve is widely applied to smoke prevention systems of common buildings, railways and urban rail transit engineering projects, and the common waste pressure valve does not have a fire prevention function and needs to be provided with a fire prevention valve for combined use. In places such as smoke-proof or closed staircases, front rooms, evacuation channels and the like of various buildings where positive pressure needs to be maintained, a heavy hammer type residual pressure valve and a 70 ℃ smoke-proof and fire-proof valve are arranged in series in a common way. The valve body of the two valves is thick, the heavy hammer of the residual pressure valve and the fire-proof valve executing device can protrude out of the wall surface in the non-working time, and the opening angle of the residual pressure valve in the working process can reach 45 degrees, so that the valve plate occupies the outer space of the valve body. In actual engineering, the valve body installation position, for example, at the side wall of the walkway, the arrangement of professional pipelines such as electromechanical pipelines is dense and complex, so that the valve body and the pipelines are easily collided, the residual pressure valve cannot normally work, or the pipeline installation space is occupied to influence the pipeline arrangement, even to influence fire rescue and personnel evacuation. And the existing residual pressure valve has single function and cannot realize automatic monitoring and automatic adjustment.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides the fireproof excess pressure integrated valve with adjustable static pressure, which can adjust different pressure difference values according to requirements and has a good fireproof function.

The invention provides the following technical scheme:

a fire prevention excess pressure integrated valve capable of adjusting static pressure comprises a plurality of blades arranged on a valve channel, wherein each blade can rotate around a respective rotating shaft and realizes the opening or closing of the valve channel through rotation; the blades realize synchronous rotation control relative to respective rotating shafts through a linkage mechanism, the linkage mechanism is connected with an executing mechanism, and the executing mechanism is used for driving the blades to rotate through the linkage mechanism; the valve passage is also provided with a differential pressure sensor and a temperature sensor, the differential pressure sensor and the temperature sensor are respectively in signal connection with the control mechanism and feed back respective detection signals, and the control mechanism is in signal connection with the actuating mechanism and controls the actuating mechanism to move according to the collected detection signals.

The control mechanism is a computer, a single chip microcomputer or a control chip, effective signal receiving, processing and control signal output are achieved through a preset program or a circuit, and the control mechanism is independently arranged or arranged in the execution mechanism.

The actuating mechanism comprises a motor, the output end of the motor is fixedly connected with the rotating shaft of one of the blades, the rotating shaft of the blade is to be moved through the output end of the motor to rotate, and the rotating shaft is synchronously rotated to the rotating shafts of other blades under the action of the linkage mechanism.

The linkage mechanism comprises hinges respectively fixedly connected to the blades, the free ends of the hinges are connected with a connecting rod together, and the connecting rod can synchronously drive the hinges to move when moving.

Wherein, the differential pressure sensor and the temperature sensor can be installed and fixed on the blade.

The valve channel is formed by enclosing a valve frame, supports are arranged on a group of side walls opposite to the valve frame, a plurality of rotating sleeves capable of being matched with rotating shafts of the blades are arranged on the supports, and the rotating shafts are sleeved in the rotating sleeves; the support is capable of contact sealing with the outside of the blade.

Further, trilateral rampart of valve frame, the fourth face is fixed in on the stand, the stand is in one side relative with the valve access, encloses with the wall and closes the cavity space that forms and be used for the maintenance, and actuating mechanism sets up in the cavity space, and its motor output passes in proper order the pivot fixed connection of stand and valve frame and one of them blade, the cavity space still sets up the access door.

The top and the bottom of the valve channel are respectively provided with a beam, the middle of the beam is provided with a baffle, and the baffle can be in contact sealing with the adjacent blades.

The blade comprises two half pieces, wherein the two half pieces are respectively fixed on two sides of the rotating shaft and are fixedly locked by the self-tapping screws, and further, shaft covers are further arranged on the two half pieces at the locking positions of the self-tapping screws; each hinge is fixedly connected with the corresponding blade through a connecting bolt; adjacent vanes are overlapped with each other by the ends of the half-sheets to form a contact seal.

Compared with the prior art, the invention has the advantages and positive effects that: simple structure, convenient operation, automatic control, safety and beauty. The valve can be connected into the BAS system for control, the valve state and the maintained static pressure value can realize automatic monitoring and automatic adjustment, different pressure difference values can be set according to customer requirements, so that the requirements of different positive pressure places such as staircases, front rooms, evacuation channels and the like are met, and the fireproof function is good. The valve integral type inlays the wall installation, and the mounted position wall does not have any outstanding part, and the valve body is thin 50% than traditional surplus pressure valve and fire prevention valve combined use form, saves installation space, avoids colliding with the pipeline, and installation space restricted malleation places such as evacuation passageway under specially adapted urban rail station and the railway tunnel rail. Meanwhile, the method can be widely applied to various common building, railway and urban rail engineering projects, and has wide application potential and popularization space.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic side view of the construction of the column section of the present invention;

FIG. 3 is a schematic cross-sectional view of a portion of the linkage mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 1;

FIG. 6 is a schematic top view of the present invention;

fig. 7 is a schematic diagram of the control scheme of the present invention.

Wherein: 1. a blade; 2. supporting; 3. a shaft cover; 4. a differential pressure sensor; 5. a temperature sensor; 6. an access door; 7. An actuator; 8. a column; 9. a connecting rod; 10. a hinge; 11. a baffle plate; 12. self-tapping screws; 13. a connecting bolt; 14. a cross beam; 15. a rotating shaft; 16. a valve frame; 17. rotating the sleeve; 18. and (5) half-piece.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The fire-proof excess pressure integrated valve capable of adjusting static pressure, as shown in fig. 1-2, comprises a plurality of blades 1 arranged on a valve channel, wherein each blade 1 can rotate around a respective rotating shaft 15 and realizes the opening or closing of the valve channel through rotation; the blades 1 are synchronously controlled to rotate relative to the rotating shafts 15 through a linkage mechanism, the linkage mechanism is connected with an executing mechanism 7, and the executing mechanism 7 is used for driving the blades 1 to rotate through the linkage mechanism; the valve passage is also provided with a differential pressure sensor 4 and a temperature sensor 5, the differential pressure sensor 4 and the temperature sensor 5 are respectively in signal connection with a control mechanism and feed back respective detection signals, the control mechanism is in signal connection with the actuating mechanism 7 and controls the actuating mechanism 7 to move according to the collected detection signals.

According to the invention, through opening and closing of the control blade 1, static pressure on the valve channel can be effectively adjusted, and meanwhile, the valve channel is tightly closed in case of fire, so that integration of fire prevention and excess pressure control is realized. As shown in fig. 7, in the valve, the vanes 1 are in a normally closed state, the differential pressure sensor 4 measures sensing information and sends a signal to the control mechanism, when the static pressure of a use place exceeds a certain preset highest value, the control mechanism makes a judgment and sends a signal to the execution mechanism, and the execution mechanism drives the vanes 1 to turn over through the linkage mechanism, so that the valve channel is automatically opened for pressure relief; when the static pressure of a use place is reduced to a certain preset minimum value, the differential pressure sensor 4 measures sensing information again and sends a signal to the control mechanism, and the actuator drives the blade 1 to overturn so as to automatically close the valve channel and maintain the static pressure of the space; when a fire disaster occurs in a use place and the temperature reaches a certain preset temperature value, such as 70 ℃, the temperature sensor 5 measures sensing information and sends a signal to the control mechanism, the control mechanism judges the sensing information and drives the actuating mechanism to act, and if the valve is in an opening state, the blade is driven to overturn to realize automatic closing of the valve, so that the fire disaster is prevented from spreading to a safe area.

The signal transmission and control modes among the control mechanism, the actuating mechanism and the linkage mechanism can be realized by adopting the prior art.

The control mechanism may be a computer, a single chip, a control chip, or the like, and may implement effective signal receiving, processing, and outputting of control signals through a preset program or circuit, the control mechanism may also be integrated or integrally disposed in the execution mechanism, for example, the single chip is installed in the execution mechanism, the preset program or circuit in the control mechanism may be implemented through conventional software or system, for example, a BAS system may be installed in the computer.

The actuating mechanism comprises a motor, the output end of the motor is fixedly connected with the rotating shaft 15 of one of the blades 1, the rotating shaft 15 of the blade 1 is to be moved through the output end of the motor to rotate, and the rotating shaft 15 is synchronously rotated to the rotating shafts of other blades under the action of the linkage mechanism, so that the synchronous rotation of each blade 1 is realized.

As shown in fig. 3-4, the linkage mechanism includes hinges 10 respectively fixedly connected to the blades 1, free ends of the hinges 10 are connected to a connecting rod 9, and the connecting rod 9 can synchronously drive the hinges 10 to move when moving, so as to synchronously turn over the blades 1.

Wherein, the differential pressure sensor 4 and the temperature sensor 5 can be installed and fixed on the blade 1.

The valve passage is formed by enclosing a valve frame 16, a support 2 is arranged on a group of side walls opposite to the valve frame 16, a plurality of rotating sleeves 17 capable of being matched with rotating shafts 15 of the blades 1 are arranged on the support 2, and the rotating shafts 15 are sleeved in the rotating sleeves 17 (fig. 5). The support 2 provides good support for the blade 1 and its shaft 15, while the support 2 enables good contact sealing with the outer side of the blade 1.

Further, 16 trilateral ramparts of valve frame, the fourth face is fixed in on the stand 8, the stand 8 is in one side relative with the valve access, encloses with the wall and closes the cavity space that forms and be used for the maintenance, and actuating mechanism 7 sets up in the cavity space, and its motor output passes in proper order stand 8 and valve frame 16 and 15 fixed connection of pivot of one of them blade 1, the cavity space still sets up access door 6, conveniently overhauls and maintains the valve.

Wherein, the top and the bottom of the valve channel are respectively provided with a beam 14 (fig. 4 and 6), the middle part of the beam 14 is provided with a baffle 11, the baffle 11 can form contact seal with the adjacent blade 1, and one example of the baffle 11 is in an L shape. The cross member 14 may also be directly connected to the wall instead of the top and bottom valve frames 16, respectively.

The blade 1 comprises two half pieces 18 (shown in fig. 4), the two half pieces 18 are respectively fixed on two sides of the rotating shaft 15 and are fixedly locked by the self-tapping screws 12, and further, the shaft cover 3 is further arranged on the two half pieces 18 at the locking positions of the self-tapping screws 12, so that the self-tapping screws 12 can be prevented from directly contacting the blade 1 to cause the twisting deformation of the blade 12; each hinge 10 is fixedly connected with the corresponding blade 1 through a connecting bolt 13. Adjacent blades 1 are overlapped to form a contact seal by the end of the half-piece 18.

As described above, the integrated valve of the present invention can achieve both static pressure regulation and fire prevention. The valve can be completely embedded into a wall body, the wall surface at the installation position does not have any protruding part, the valve body is light, thin and safe in a combined use form compared with the traditional residual pressure valve and a fire valve, automatic monitoring and automatic adjustment can be carried out through the control mechanism, and the valve is convenient and reliable.

The scope of the present invention is not limited thereto, and any person skilled in the art can easily make changes or substitutions within the technical scope of the present invention, and the present invention is covered thereby. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.