CN110332324A - Intelligent control's biological airtight valve - Google Patents

Abstract

The invention discloses an intelligently controlled biological airtight valve, which utilizes an expansion airtight air passage arranged in a middle elastic airtight valve, wherein the expansion airtight air passage is communicated with a safety air pump so as to realize expansion control on the middle elastic airtight valve through the safety air pump, and the middle elastic airtight valve expands towards the periphery so as to be tightly attached to a biological airtight valve body, so that the middle elastic airtight valve still has a good sealing effect even if the middle elastic airtight valve deforms; according to the invention, the strain sensor sheet is arranged on the circumferential outer wall of the middle elastic sealing valve or the inner wall of the biological sealing valve body corresponding to the position of the middle elastic sealing valve, the strain sensor sheet is connected with the intelligent controller, the controller can judge the working and fault conditions of the middle elastic sealing valve according to the working conditions of the strain sensor sheet and the safety air pump, the condition of the middle elastic sealing valve can be detected and judged constantly, the performance of the middle elastic sealing valve is ensured, and the service life or damage of the middle elastic sealing valve can be conveniently found in advance.

Description

An Intelligently Controlled Biological Seal Valve

technical field

The invention relates to the technical field of biological airtight valves, in particular to an intelligently controlled biological airtight valve.

Background technique

At present, the biological sealing valves used in the market are of low intelligence, and the structure of the valve plate is simple, and it is easy to deform during use, thus affecting the sealing effect of the valve body, and the practicability is poor. Moreover, deformation or airtightness of the valve plate When it’s not good, it’s hard to find it until it leaks to a certain extent. This is a great risk for some biological research, especially for some organisms that are poisonous or not allowed to leak. The life of the plate is difficult to control and grasp, which seriously affects the use of the biological valve. In addition, the valve plate is generally made of rubber material, which is prone to deformation after several times of use. Although this deformation has a certain recovery ability, its sealing performance is greatly affected at different temperatures. The scope of use of the valve.

Therefore, those skilled in the art provide an intelligently controlled bio-seal valve to solve the problems raised in the background art above.

Contents of the invention

The object of the present invention is to provide an intelligently controlled bio-tight valve to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

An intelligently controlled biotight valve, comprising a biotight valve body, a valve plate, a valve stem and a valve seat, wherein the valve plate is provided inside the biotight valve body, and the valve plate adopts the valve stem Drive to rotate in order to realize the opening and closing control of the valve body, and the outside of the bio-seal valve body is also provided with a valve seat installed with a drive mechanism that drives the valve stem to rotate; it is characterized in that,

The valve plate includes an upper rigid valve disc, a lower rigid valve disc and a middle elastic airtight valve;

The middle elastic airtight valve is fixedly arranged between the upper rigid valve disc and the lower rigid valve disc, and the surrounding edges of the middle elastic airtight valve protrude from the surrounding edges of the upper rigid valve disc and the lower rigid valve disc;

The middle elastic airtight valve is an elastic rubber structure, and the middle elastic airtight valve is also provided with an expansion airtight air passage, and the expansion airtight air passage communicates with the safety air pump, so as to realize the expansion of the middle elastic airtight valve through the safety air pump control, so that the middle elastic airtight valve expands to the surroundings so as to fit closely with the body of the biological airtight valve.

Further, as a preference, a strain sensor sheet is provided on the peripheral outer wall of the intermediate elastic airtight valve or the inner wall of the body of the biological airtight valve corresponding to the position of the intermediate elastic airtight valve, and the strain sensor sheet is connected to an intelligent controller, and the control The device can judge the working and fault conditions of the middle elastic airtight valve according to the working conditions of the strain sensor sheet and the safety air pump.

Further, as a preference, the intermediate elastic airtight valve includes an elastic body, and the inflatable airtight air passage includes an annular large air passage and an annular small air passage, and the annular large air passage and the annular small air passage are concentric and communicated so that the annular atmosphere The channel and the small annular air channel are configured as a stepped structure, and the cross-sectional area of the small annular air channel is smaller than that of the large annular air channel.

Further, preferably, the small annular air passage is located radially outside the large annular air passage.

Further, as a preference, a valve seat is fixed at the center of the top of the biotight valve body, and the valve stem is rotatably connected to the valve seat, and the bottom end of the valve stem extends into the biotight valve body and connects with the inside of the biotight valve body. The valve plate is connected to the valve plate, and the valve plate is rotatably connected to the inner side of the body of the bio-sealed valve. The top of the valve seat is fixed with a driving motor through a motor fixing seat, and the driving motor is fixedly connected to the valve stem through a transmission link. The valve The intelligent controller is fixed on the front side of the seat, a pressure detector is fixed on the top of the bio-sealed valve body on the inlet side, and a flow meter is arranged on the outlet side of the bio-sealed valve body, wherein the pressure detector Both the flowmeter and the flowmeter are connected to the intelligent controller through connecting wires.

Further, preferably, the intelligent controller further includes a central processing unit, an LED display module, an audible and visual alarm module and a motor control module, wherein the output terminals of the central processor are respectively connected to the LED display module, the audible and visual alarm module and the motor control module. Telecom connection on the input side of the module.

Further, preferably, both the output end of the pressure detector and the output end of the flowmeter are connected to the input end of the intelligent controller by telecommunication, and the output end of the intelligent controller is connected by telecommunication to the input end of the driving motor.

Further, as a preference, the two ends of the bio-sealed valve body are located at the opening position and welded with conduit joints, and the conduit joints have a ring-shaped structure, and the conduit joints are ring-shaped and equiangularly provided with connecting screw holes, the valve The center position of the plate is provided with a valve stem connecting groove used for connecting the valve stem.

Further, as a preference, two connecting pipes are welded in parallel on the outside of the valve plate, and a connecting pipe is welded equidistantly between the two connecting pipes. Communication, the valve stem is a hollow structure, and the gas pipe of the safety air pump extends into the hollow hole of the valve stem to communicate with the communication pipe or connecting pipe.

Further, as a preference, annular reinforcing ribs are welded at the positions of both sides of the valve plate, and the outer diameter of the annular reinforcing rib is equal to the outer diameter of the valve plate, and the two sides of the valve plate are located inside the annular reinforcing rib, etc. Angle welded with support brackets.

Compared with prior art, the beneficial effect of the present invention is:

1. In the present invention, the middle elastic airtight valve is also provided with an expansion airtight passage, and the expansion airtight airway communicates with the safety air pump, so that the expansion control of the middle elastic airtight valve can be realized through the safety air pump, so that the middle elastic airtight valve can expand around so that It fits tightly with the body of the biological airtight valve, so that even if the elastic airtight valve in the middle is deformed, it still has a good sealing effect and ensures the airtight performance;

2. A strain sensor sheet is arranged on the circumferential outer wall of the middle elastic airtight valve of the present invention or the inner wall corresponding to the position of the middle elastic airtight valve body of the biological airtight valve body. The work and failure of the middle elastic airtight valve can be judged according to the working conditions of the sheet and the safety air pump. In this way, the situation of the middle elastic airtight valve can be detected and judged at all times to ensure the performance of the middle elastic airtight valve, which is convenient for its life or Early detection of damage;

3. The intelligently controlled bio-sealed valve is equipped with an intelligent controller, a drive motor and a pressure detector. The pressure detector can detect the pressure inside the body of the bio-sealed valve and transmit it to the intelligent controller. When the pressure is greater than the pressure of the valve plate When the rated value is reached, the sound and light alarm module in the intelligent controller starts to alarm, thereby protecting the body of the biological containment valve. It is more convenient, making the bio-sealed valve more intelligent.

4. The intelligently controlled biological airtight valve is equipped with connecting pipes and connecting pipes on the valve plate. The connecting pipes and connecting pipes can not only adjust the overall strength of the valve plate to prevent its deformation, but also realize the expansion and sealing of the airway. Connected, easy to control, at the same time, the ring rib can enhance the strength of the frame of the valve plate and improve its quality.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of biological containment valve of intelligent control;

Fig. 2 is a structural representation of a valve plate in an intelligently controlled biological containment valve;

Fig. 3 is a kind of structural schematic diagram of valve plate top view in the bio-seal valve of intelligent control;

Fig. 4 is a structural schematic diagram of an intelligent controller in an intelligently controlled biological containment valve.

Fig. 5 is a schematic cross-sectional structure schematic diagram of a front view of an intermediate elastic airtight valve of an intelligently controlled biological airtight valve;

Fig. 6 is a side view sectional structure schematic diagram of an intermediate elastic airtight valve of an intelligently controlled biological airtight valve;

Detailed ways

Please refer to Figures 1 to 6. In an embodiment of the present invention, an intelligently controlled biotight valve includes a biotight valve body 1, a valve plate 2, a valve stem 3 and a valve seat 4, wherein the biotight valve body 1 The valve plate 2 is arranged inside, and the valve plate is driven and rotated by the valve rod 3 so as to realize the opening and closing control of the valve body 1. The valve seat 4 of the driving mechanism that the valve stem rotates; it is characterized in that,

The valve plate 2 includes an upper rigid valve disc 26, a lower rigid valve disc 28 and a middle elastic sealing valve 28;

The middle elastic airtight valve 28 is fixedly arranged between the upper rigid valve disc 26 and the lower rigid valve disc 28, and the surrounding edges of the middle elastic airtight valve 28 protrude from the upper rigid valve disc 26 and the lower rigid valve disc 28 around the edge;

The middle elastic airtight valve 28 is an elastic rubber structure, and the middle elastic airtight valve 28 is also provided with an expansion airtight air passage, and the expansion airtight air passage communicates with the safety air pump, so that the middle elastic airtight valve can be controlled by the safety air pump. The expansion control of 28 makes the middle elastic airtight valve 28 expand around so as to fit closely with the body 1 of the biological airtight valve.

In this embodiment, a strain sensor sheet 29 is provided on the peripheral outer wall of the intermediate elastic airtight valve 28 or on the inner wall of the biological airtight valve body 1 corresponding to the position of the intermediate elastic airtight valve 28, and the strain sensor sheet 29 is connected to the intelligent control system. The controller 8 is connected, and the controller can judge the working and fault conditions of the middle elastic airtight valve 28 according to the working conditions of the strain sensor sheet 29 and the safety air pump.

As a preferred embodiment, the middle elastic airtight valve 28 includes an elastic body 282, and the inflatable airtight air passage includes a large annular air passage 281 and a small annular air passage 283, and the large annular air passage 281 and the small annular air passage 283 are concentric and communicated. It is set so that the annular large air passage 281 and the annular small air passage 283 are configured as a stepped structure, and the cross-sectional area of the annular small air passage 283 is smaller than that of the annular large air passage 281 .

As a better embodiment, the small annular air passage 283 is located radially outside the large annular air passage 281 .

Wherein, as shown in Fig. 1 , a valve seat 4 is fixed at the top center of the biotight valve body 1, and the valve seat 4 is rotatably connected to the valve stem 3, and the bottom end of the valve stem 3 extends into the biotight valve body 1 And be connected with the valve plate 2 on the inside of the biotight valve body 1, the valve plate 2 is connected to the inside of the biotight valve body 1 in rotation, the top of the valve seat 4 is fixed with a driving motor 6 by the motor fixing seat 5, and drives The motor 6 is fixedly connected to the valve stem 3 through the transmission connecting rod 7, the intelligent controller 8 is fixed on the front side of the valve seat 4, and a pressure detector 9 is fixed on the top of the biotight valve body 1 at the inlet side, A flow meter 10 is arranged on the side of the outlet of the bio-seal valve body 1, wherein the pressure detector 9 and the flow meter 10 are both connected to the intelligent controller 8 through connecting wires.

Described intelligent controller 8 also comprises central processor, LED display module, sound and light alarm module and motor control module, wherein, the output end of central processor is respectively connected with the input end of LED display module, sound and light alarm module and motor control module telecommunications connection. Both the output end of the pressure detector 9 and the output end of the flowmeter 10 are telecommunication connected with the input end of the intelligent controller 8 , and the output end of the intelligent controller 8 is telecommunication connected with the input end of the driving motor 6 . The two ends of the bio-seal valve body 1 are located at the opening position and are piled up to be welded with a conduit joint 11, and the conduit joint 11 is a circular structure, and the conduit joint 11 is annular and equiangularly provided with connecting screw holes, and the valve plate The central position of 2 is provided with the valve stem connecting groove 22 that cooperates with valve stem 3 to connect and use.

In addition, in the present invention, two connecting pipes 21 are welded in parallel on the outside of the valve plate 2, and connecting pipes 23 are welded equidistantly between the two connecting pipes 21, and the connecting pipes 23 and connecting pipes 21 connect the The inflatable airtight airway communicates with the safety air pump, the valve stem is hollow, and the air pipe of the safety air pump extends into the hollow hole of the valve stem to communicate with the communicating pipe 23 or connecting pipe 21 . Annular reinforcing ribs 24 are welded at both sides of the valve plate 2, and the outer diameter of the annular reinforcing ribs 24 is equal to the outer diameter of the valve plate 2, and the two sides of the valve plate 2 are located inside the annular reinforcing ribs 24. Equiangular welding is provided with support bracket 25.

The working principle of the present invention is: when in use, the staff can control the motor controller through the intelligent controller 8, the motor controller acts on the drive motor 6, and the drive motor 6 acts on the valve stem 3 through the transmission connecting rod 7, thereby passing The valve stem 3 drives the valve plate 2 to rotate, and finally realizes the control of the switch of the biological airtight valve body 1. When a long-term airtightness is required or a higher level of airtightness is required, the expansion control of the middle elastic airtight valve 28 is realized through the safety air pump. The middle elastic airtight valve 28 expands to the surroundings so as to fit closely with the body 1 of the biological airtight valve to ensure the airtightness of the valve. At the same time, before or after each use or during use, the controller can judge the operation and failure of the middle elastic airtight valve 28 according to the working conditions of the strain sensor sheet 29 and the safety air pump, for example, the safety air pump is filled After a certain amount of gas, the strain sensor sheet 29 should be able to monitor the corresponding strain. If the strain is not within a certain threshold, it means that the valve is faulty and needs to be checked. In addition, the pressure detector 9 of the present invention can detect the pressure inside the bio-seal valve body 1, and the detected pressure information will be transmitted to the intelligent controller 8, and the central processing unit in the intelligent controller 8 will receive the received information After analysis and processing, it will be displayed in the LED display module. When the pressure value exceeds the rated value of the valve plate 2, the central processing unit in the intelligent controller 8 will control the sound and light alarm module to give an alarm. At the same time, the flow meter 10 will detect the biological airtight The flow information of the valve body 1, and the detected flow information will be transmitted to the intelligent controller 8, and the central processing unit in the intelligent controller 8 will analyze and process the received information and display it on the LED display module.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and its inventive concepts shall fall within the protection scope of the present invention.

Claims (10)

1. A biotight valve of intelligent control, comprising a biotight valve body (1), a valve plate (2), a valve stem (3) and a valve seat (4), wherein the biotight valve body (1) The valve plate (2) is arranged inside, and the valve plate is driven and rotated by the valve rod (3) so as to realize the opening and closing control of the valve body (1). Also be provided with the valve seat (4) that installs the driving mechanism that drives described valve rod to rotate; It is characterized in that, The valve plate (2) includes an upper rigid valve disc (26), a lower rigid valve disc (28) and a middle elastic airtight valve (28); The middle elastic airtight valve (28) is fixedly arranged between the upper rigid valve disc (26) and the lower rigid valve disc (28), and the surrounding edges of the middle elastic airtight valve (28) protrude from the upper rigid valve Disc (26), the surrounding edge of lower rigid valve disc (28); The middle elastic airtight valve (28) is an elastic rubber structure, and an inflatable airtight airway is also arranged in the middle elastic airtight valve (28), and the inflatable airtight airway communicates with the safety air pump, so that the The expansion control of the middle elastic airtight valve (28) makes the middle elastic airtight valve (28) expand around so as to fit closely with the biological airtight valve body (1). 2. A kind of bio-seal valve of intelligent control according to claim 1, is characterized in that, the circumferential outer wall of described middle elastic airtight valve (28) or the bio-seal valve body (1) and the middle elastic airtight valve (28) ) is provided with a strain sensor sheet (29) on the inner wall corresponding to the position, and the strain sensor sheet (29) is connected with an intelligent controller (8), and the controller can Working conditions judge the working and fault conditions of the middle elastic airtight valve (28). 3. A kind of intelligently controlled biological airtight valve according to claim 1, characterized in that, the middle elastic airtight valve (28) comprises an elastic body (282), and the expansion airtight airway comprises an annular large airway (281 ) and the annular small airway (283), the annular large airway (281) and the annular small airway (283) are concentric and communicated, so that the annular large airway (281) and the annular small airway (283) are configured as steps structure, and the cross-sectional area of the annular small air passage (283) is smaller than the cross-sectional area of the annular large air passage (281). 4. An intelligently controlled bio-seal valve according to claim 3, characterized in that, the small annular air passage (283) is located radially outside the large annular air passage (281). 5. A kind of bio-seal valve of intelligent control according to claim 1, is characterized in that, the top center position of described bio-seal valve body (1) is fixed with valve seat (4), and valve seat (4) Rotate and connect the valve stem (3), the bottom end of the valve stem (3) extends into the bio-seal valve body (1) and connects with the valve plate (2) inside the bio-seal valve body (1), the valve plate (2) Rotationally connected to the inside of the bioseal valve body (1), the top of the valve seat (4) is fixed with a drive motor (6) through a motor fixing seat (5), and the drive motor (6) is passed through a transmission connecting rod (7) is fixedly connected with the valve stem (3), the front side of the valve seat (4) is fixed with the intelligent controller (8), and the top of the inlet side of the bio-tight valve body (1) is fixed with pressure Detector (9), on the said biological containment valve body (1) is positioned at outlet side and is provided with flowmeter (10), and wherein, pressure detector (9) and flowmeter (10) all are connected with intelligent controller by connecting wire (8) CONNECTION. 6. a kind of intelligently controlled biological containment valve according to claim 5, is characterized in that, described intelligent controller (8) also comprises central processing unit, LED display module, sound and light alarm module and motor control module, wherein , the output end of the central processing unit is respectively connected to the input ends of the LED display module, the sound and light alarm module and the motor control module by telecommunication. 7. a kind of bio-seal valve of intelligent control according to claim 6, is characterized in that, the output end of described pressure detector (9) and the output end of flow meter (10) are all connected with intelligent controller (8) The input end of the intelligent controller (8) is telecommunication connected with the input end of the drive motor (6). 8. A kind of bio-seal valve of intelligent control according to claim 1, is characterized in that, the two ends of described bio-seal valve body (1) are positioned at opening position and piled up to be welded with catheter joint (11), and catheter The connector (11) has a ring-shaped structure, and the conduit connector (11) is ring-shaped and equiangularly provided with connecting screw holes, and the center of the valve plate (2) is provided with a valve stem for use with the valve stem (3). Connection groove (22). 9. A kind of intelligently controlled biological containment valve according to any one of claims 1-8, characterized in that, the outside of the valve plate (2) is welded in parallel with two connecting pipes (21), and two Connecting pipes (21) are equidistantly welded with connecting pipes (23), the connecting pipes (23) and connecting pipes (21) connect the expanded airtight airway with the safety air pump, and the valve stem is a hollow structure, The air pipe of the safety air pump extends into the hollow hole of the valve rod and communicates with the communicating pipe (23) or connecting pipe (21). 10. A kind of intelligently controlled biological containment valve according to any one of claims 1-8, characterized in that, ring-shaped ribs (24) are welded at both sides of the valve plate (2), And the outer diameter of the annular reinforcing rib (24) is equal to the outer diameter of the valve plate (2), and the two sides of the valve plate (2) are welded with support brackets (25) equiangularly inside the annular reinforcing rib (24).