Wide-temperature shuttle valve amplifier and rapid IP

Abstract

The invention belongs to the technical field of control valve positioners, and particularly discloses a wide-temperature shuttle valve amplifier and a rapid IP, and the shuttle valve amplifier comprises an amplifier cavity, an air source chamber, a back pressure chamber, a shuttle valve structure, an AI detection module and an air intake and exhaust path. The rapid IP comprises an IP main body, an IP coil, an air source module, a back pressure module and a magnetic conduction module. And the coil 53 is connected with the magnetic conductive plate 515 to form a magnetic pole, the magnetic conductive plate 515 is connected with the long magnetic conductive column 514 to form another pole, the magnetic conductive plate 515 is connected with the long magnetic conductive column 514 to form one pole, and the magnetic conductive plate 515 is connected with the short magnetic conductive column 54 to form another pole, and the magnetic conductive plate 515 is connected with the short magnetic conductive column 54 to form another pole. And the magnetic pole of the permanent magnet 57 interacts with the magnetic poles of the upper magnetizer 52 and the short lower magnetizer to realize electrical conversion. A back pressure air channel 513 acts on the back pressure of the amplifier, the movement of the shuttle valve is controlled to amplify a pneumatic signal, the output of the pneumatic signal pushes the control valve to work, and the low-temperature component enables the shuttle valve amplifier and the rapid IP to work at a wide temperature range. And all functions of wide temperature range are realized. And in combination with a software function, the adaptability is higher.

Description

Technical Field

[0001] The invention relates to the technical field of positioners, in particular to a wide-temperature shuttle valve amplifier and a fast IP. Background Art

[0002] With the continuous development of the automation instrumentation industry, higher requirements are put forward for intelligent valve positioners, and the requirements for key performance components of intelligent valve positioners are further improved. At present, the IP startup of intelligent valve positioners, the drive of amplifiers, and the requirements of different regions, different working conditions, and different environments vary greatly. In view of this, the applicant has proposed a wide-temperature shuttle valve amplifier and a fast IP. Summary of the invention

[0003] To achieve the above-mentioned purpose and other related purposes, the present invention provides a shuttle valve amplifier and a fast IP, wherein the shuttle valve amplifier includes an amplifier cavity, an air source chamber, a back pressure chamber, a shuttle valve structure, an AI detection module, an air intake and exhaust gas path and other structures. The fast IP includes an IP body, an IP coil, an air source module, a back pressure module, a magnetic conductivity module and other structures. Figure 1 The middle section of the shuttle valve amplifier and the fast IP is shown. Figure 2 The figure shows a shuttle valve amplifier back pressure cross-sectional view. It can be seen from the two figures that the shuttle valve amplifier air source chamber is formed by the amplifier air source diaphragm 44, the amplifier spring valve head 46, the amplifier spring 47, the amplifier air source valve head 48, and the amplifier air source cover 411. The shuttle valve amplifier back pressure chamber is formed by the amplifier back pressure diaphragm 43, the amplifier back pressure valve head 45, the amplifier back pressure cover 412, and the amplifier back pressure airway 413. The shuttle valve amplifier shuttle valve structure is composed of an amplifier shuttle valve 410 and an amplifier valve sleeve 42. The shuttle valve amplifier AI detection module is composed of an AI detection screw 8, an AI detection screw explosion-proof screw 81, an amplifier AI detection sleeve 49, and an amplifier AI detection magnet 41. The shuttle valve amplifier intake and exhaust gas routes are composed of air source 414, out1 415, and out2 416. As shown Figure 3 The middle section of the fast IP is shown. Figure 4 The figure shows the quick IP type gas source profile. Figure 5 The figure shows a cross section of a fast IP type back pressure. As can be seen from the three figures, the magnetic conductive module of the fast IP type is composed of a fast IP type magnetic conductive plate 515, a fast IP type long magnetic conductive column 514, a fast IP type short magnetic conductive column 54, a fast IP type upper magnetic conductive body 52, a fast IP type short lower magnetic conductive body 511, and a fast IP type permanent magnet 57. The fast IP back pressure module is composed of a fast IP type back pressure airway 513, a fast IP type baffle 510, a fast IP type adjusting screw 59, a fast IP type adjusting screw fastening cap 58, a fast IP type nozzle 56, and a fast IP type corrugated spring 55. BRIEF DESCRIPTION OF THE DRAWINGS

[0004] Figure 1 Shown is the shuttle valve amplifier and quick IP type assembly diagram of the present invention, with a cross-sectional view of the center cross section of the shuttle valve amplifier Figure 2 A cross-sectional view showing the shuttle valve amplifier of the present invention in a central cross section Figure 3 A cross-sectional view showing the central cross section of the rapid IP of the present invention Figure 4 The figure shows the assembly diagram of the quick IP and the connecting plate in the present invention, and the cross-sectional view of the central cross section of the quick IP throttle hole. Figure 5 The figure shows the assembly diagram of the quick IP, the connecting plate and the coil in the present invention, and the cross-sectional view of the central cross section of the quick IP back pressure airway.

[0005] Description of the accompanying drawings: AI detection screw 8, AI detection screw explosion-proof screw 81, amplifier cavity 40, amplifier AI detection magnet 41, amplifier valve sleeve 42, amplifier back pressure diaphragm 43, amplifier air source diaphragm 44, amplifier back pressure valve head 45, amplifier spring valve head 46, amplifier spring 47, amplifier air source valve head 48, amplifier AI detection sleeve 49, amplifier shuttle valve 410, amplifier air source cover 411, amplifier back pressure cover 412, amplifier back pressure airway 413, fast IP51, fast IP coil 53, fast IP short magnetic column 54, fast IP long magnetic column 514, fast IP corrugated spring 55, fast IP nozzle 56, fast IP permanent magnet 57, fast IP adjusting screw fastening cap 58, fast IP adjusting screw 59, fast IP baffle 510, fast IP throttle hole 512, fast IP back pressure airway 513, fast IP upper magnetic conductor 52, fast IP short lower magnetic conductor 511, fast IP intermediate body 516, fast IP magnetic plate 515 Implementation

[0006] As shown in the figure, the fast IP magnetic plate 515 of the fast IP coil 53 is connected to the fast IP long magnetic column 514 as one pole, and the fast IP magnetic plate 515 is connected to the fast IP short magnetic column 54 as the other pole. Through the connection with the fast IP long magnetic column 514, the magnetism is guided to the fast IP upper magnet 52 as one pole, and through the connection with the fast IP short magnetic column 54, the magnetism is guided to the fast IP short lower magnet 511 as the other pole. The magnetic poles of the fast IP permanent magnet 57 interact with the magnetic poles of the fast IP upper magnet 52 and the fast IP short lower magnet. Thus, the electrical conversion of the fast IP is realized. As can be seen from the figure, the fast IP back pressure airway 513 acts on the shuttle valve amplifier back pressure, controls the shuttle valve movement to realize the amplification of the pneumatic signal. Its output drives the control valve to work. The above description only illustrates the principle and effect of the present invention, and is not used to limit the present invention. Anyone familiar with this technology can modify or change the above embodiment without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those having ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A wide temperature shuttle valve amplifier and fast IP, characterized by: The shuttle valve amplifier is composed of multiple structures such as an amplifier cavity, an air source chamber, a back pressure chamber, a shuttle valve structure, an AI detection module, and an intake and exhaust gas path. The fast IP is composed of multiple structures such as an IP body, an IP coil, an air source module, a back pressure module, and a magnetic conductive module.

2. The wide temperature shuttle valve amplifier and fast IP according to claim 1 are characterized by: The shuttle amplifier includes an amplifier cavity, the air source chamber is located at the left side of the amplifier, the air source chamber is composed of an amplifier diaphragm, an amplifier spring, an amplifier spring valve head, an amplifier air source valve head, and an amplifier air source cover plate, the space formed between the amplifier air source cover plate and the amplifier cavity is the air source chamber, and the air source chamber is connected from left to right by the amplifier spring, the amplifier spring valve head, the amplifier air source diaphragm, and the amplifier air source valve head. The back pressure chamber is located at the right side of the amplifier, the back pressure chamber is composed of a back pressure airway, an amplifier back pressure cover plate, an amplifier back pressure valve head, and an amplifier back pressure diaphragm. The space formed between the amplifier back pressure cover plate and the amplifier cavity is the back pressure chamber, and the back pressure chamber is connected from left to right by the amplifier back pressure valve head and the amplifier back pressure diaphragm, and the back pressure airway is connected to the external back pressure airway of the amplifier. The shuttle valve structure is located at the middle part of the amplifier, the amplifier structure is composed of an amplifier shuttle valve and an amplifier valve sleeve, the amplifier shuttle valve is inside the amplifier valve sleeve, and the amplifier valve sleeve is inside the amplifier cavity. The AI ​​detection module is composed of an amplifier AI detection magnet, an amplifier AI detection sleeve, an AI detection screw, and an AI detection screw explosion-proof screw. The AI ​​detection module is located in the upper left part of the amplifier, and is connected from top to bottom by the AI ​​detection screw, the AI ​​detection magnet, and the AI ​​detection sleeve, and the AI ​​detection screw is screwed in by the AI ​​detection screw explosion-proof screw. The air intake and exhaust gas path includes an air source, out1, and out2. The air intake and exhaust gas path is located above the middle of the amplifier, and is distributed separately from left to right by out1, air source, and out2.

3. The wide temperature shuttle valve amplifier and fast IP according to claim 1 are characterized by: The fast IP includes an IP body, the IP coil is above the IP body, the IP air source module is composed of a fast IP throttle hole, the IP back pressure module is composed of a fast IP back pressure airway, a fast IP baffle, a fast IP adjustment screw, a fast IP adjustment fastening cap, a fast IP nozzle, and a fast IP corrugated spring sheet. The IP back pressure module is in the middle of the IP body, and is connected from top to bottom by a fast IP nozzle, a fast IP baffle, a fast IP corrugated spring sheet, a fast IP adjustment fastening cap, and a fast IP adjustment screw. The fast IP back pressure airway is connected to the fast IP external back pressure airway. The magnetic conductive module includes a fast IP magnetic conductive plate, a fast IP long magnetic conductive column, a fast IP short magnetic conductive column, a fast IP upper magnetic conductive body, a fast IP short lower magnetic conductive body, and a fast IP permanent magnet. The "top" is a fast IP magnetic conductive plate, the "left" is a fast IP long magnetic conductive column, the "right" is a fast IP short magnetic conductive column, and the "bottom" is a fast IP upper magnetic conductive body, a fast IP short lower magnetic conductive body, and a fast IP permanent magnet. The "top" passes through the IP coil, and the "bottom" passes through the IP body and connects with the "left" and "right" to form a "mouth" shaped structure.

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