CN216556503U - Signal remote transmission pneumatic control cabinet - Google Patents
Signal remote transmission pneumatic control cabinet Download PDFInfo
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- CN216556503U CN216556503U CN202123361311.5U CN202123361311U CN216556503U CN 216556503 U CN216556503 U CN 216556503U CN 202123361311 U CN202123361311 U CN 202123361311U CN 216556503 U CN216556503 U CN 216556503U
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Abstract
The application relates to a signal teletransmission pneumatic control cabinet includes: the device comprises a first pneumatic control unit, a control switch, a pneumatic-electric converter and a first control valve; the first pneumatic control unit is provided with a first signal feedback interface, and the first control valve and the pneumatic-electric converter are sequentially connected on the first signal feedback interface in series; one end of the control switch is electrically connected with the first control valve, and the other end of the control switch is electrically connected with an input power supply and used for controlling the first control valve to be opened or closed; the pneumatic-electric converter receives a pneumatic signal of the first pneumatic control unit and converts the pneumatic signal into an electric signal; the gas-electric converter is provided with a first signal transmission port, and the first signal transmission port is suitable for being electrically connected with an upper computer so as to transmit the electric signal converted by the gas-electric converter to the upper computer through the first signal transmission port. It makes the gas signal that first air control unit produced can convert the signal of telecommunication into to in transmitting the signal of telecommunication to central control room, make the staff in the control room can observe the state or chain usefulness of this application embodiment.
Description
Technical Field
The application relates to the field of pneumatic control, in particular to a signal remote transmission pneumatic control cabinet.
Background
The pneumatic controller utilizes pure pneumatic logic control, combines an electric control basic control method, and can enable the execution unit to automatically and orderly act according to a sequence preset by a user by adjusting an internal control element, thereby realizing non-electric logic control. However, the pneumatic controller in the prior art is controlled by a pneumatic circuit, so that the remote central control room is difficult to monitor.
Disclosure of Invention
In view of this, the present application provides a signal teletransmission pneumatic control cabinet, which enables a gas signal generated by a first pneumatic control unit to be converted into an electrical signal, and transmits the electrical signal to a central control room, so that a worker in the control room can observe the state of the embodiment of the present application or use the linkage.
According to an aspect of the application, a signal remote transmission pneumatic control cabinet is provided, including:
the gas-electric converter comprises a first pneumatic control unit, a control switch, a gas-electric converter and a first control valve;
the first pneumatic control unit is provided with a first air source inlet and a first air source outlet, the first air source inlet is suitable for being communicated with an air source, and the first air source outlet is suitable for being connected with a valve so as to drive the valve;
the first pneumatic control unit is also provided with a first signal feedback interface, and the first control valve and the gas-electric converter are sequentially connected on the first signal feedback interface in series;
one end of the control switch is electrically connected with the first control valve, and the other end of the control switch is suitable for being electrically connected with an input power supply and is used for controlling the first control valve to be opened or closed;
the gas-electric converter receives a pneumatic signal of the first pneumatic control unit and converts the pneumatic signal into an electric signal;
the gas-electric converter is provided with a first signal transmission port, and the first signal transmission port is suitable for being electrically connected with an upper computer so as to transmit an electric signal converted by the gas-electric converter to the upper computer through the first signal transmission port.
In a possible implementation manner, the device further comprises a second air control unit and a second control valve;
the second air control unit is provided with a second air source inlet and a second air source outlet, the second air source inlet is suitable for being communicated with the air source, and the second air source outlet is suitable for driving the valve body;
the second pneumatic control unit is also provided with a second signal feedback port, one end of the second control valve is used with the second signal feedback port, and the other end of the second control valve is communicated with the gas-electric converter;
the control switch is a change-over switch, and the second control valve is electrically connected with the control switch and used for controlling the opening or closing of the second control valve.
In one possible implementation manner, the number of the first signal feedback interfaces is two, the number of the first control valves is two, and the number of the gas-electric converters is two;
each first signal feedback interface is correspondingly connected with one first control valve and the gas-electric converter;
the two first control valves are electrically connected with the control switch, and the two gas-electric converters are electrically connected with the upper computer.
In one possible implementation manner, two second signal feedback ports are provided, and two second control valves are provided;
each second signal feedback port is connected with one second control valve;
the two second control valves are connected to the two gas-electric converters in a one-to-one correspondence manner;
the two second control valves are electrically connected with the control switch;
the structure of the first air control unit is the same as that of the second air control unit.
In a possible implementation manner, the gas-electric converter further comprises a first indicator light, wherein the first indicator light is electrically connected with the control switch and is used for receiving a state instruction sent by the upper computer, and the state instruction is generated according to an electric signal received by the upper computer and converted by the gas-electric converter; and is
When the first control valve is electrified, the first indicator lamp is electrified.
In a possible implementation manner, the gas-electric converter further comprises a second indicator light, the second indicator light is electrically connected with the control switch and is used for receiving a state instruction sent by the upper computer, and the state instruction is generated according to an electric signal received by the upper computer and converted by the gas-electric converter; and is
When the second control valve is electrified, the second indicator lamp is electrified.
In one possible implementation, the first pneumatic control unit comprises a pneumatic controller, a gas source processing unit and a filtering pressure reducing valve;
the air inlet of the air source processing unit is used as the first air source inlet and is communicated with the air source, two air outlet branches are arranged at the air outlet of the air source processing unit, one air outlet branch of the air source processing unit is suitable for being communicated with a valve and used as a standard air source, and the other air outlet branch of the air source processing unit is communicated with the air inlet of the filtering and reducing valve;
two air outlet branches are arranged at the air outlet of the filtering and pressure reducing valve, one of the two air outlet branches of the filtering and pressure reducing valve is suitable for being communicated with a pressure transmitter, and the other one of the two air outlet branches of the filtering and pressure reducing valve is communicated with a first air inlet of the pneumatic controller;
the pneumatic controller is also provided with a second air inlet which is used for being communicated with the pressure transmitter, and an air outlet of the pneumatic controller is used as a first air source outlet and is suitable for being communicated with the valve.
In a possible implementation manner, a first pressure gauge is arranged on an air outlet branch of the filtering and pressure reducing valve communicated with the first air inlet of the pneumatic controller, and the first pressure gauge is suitable for monitoring the pressure of the air outlet branch of the filtering and pressure reducing valve communicated with the first air inlet of the pneumatic controller;
and a second pressure gauge is arranged at the air outlet of the air source processing unit and used for detecting the pressure at the air outlet of the air source processing unit.
In one possible implementation, the device further comprises a cabinet body;
the first pneumatic control unit, the gas-electric converter and the first control valve are all arranged inside the cabinet body;
a shell is arranged outside the first pneumatic control unit, and the control switch is installed on the shell.
In a possible implementation manner, an air path block is further arranged inside the cabinet body, and a plurality of air path channels are formed in the air path block and used for installing each pipeline in the cabinet body.
The signal teletransmission pneumatic control cabinet is provided with a first pneumatic control unit, a control switch, a pneumatic-electric converter and a first control valve, wherein the first pneumatic control unit is a main control loop of the signal teletransmission pneumatic control cabinet, receives a 0.2-1 bar signal sent by a pressure transmitter, compares the input signal with a preset pressure value and performs PI operation, and outputs a 0.2-1 bar control signal to an adjusting valve, so that the opening degree of the valve is controlled. When the pressure signal is fed back to an upper computer (a central control room), the control switch is communicated, so that the first control valve is in a communicated state, and a loop where the gas-electric converter is located is in a communicated state. A first signal feedback interface of the first pneumatic control unit feeds back a pneumatic signal (pressure signal) to the gas-electric converter through the first control valve, the gas-electric converter receives the gas signal output by the first pneumatic control unit and then converts the gas signal into an electric signal of 4-20 mA, the converted electric signal is transmitted to the central control room, and workers in the common control room observe or use the pneumatic signal in a linkage mode. To sum up, this application embodiment signal teletransmission pneumatic control cabinet passes through connection structure for the gas signal that first pneumatic control unit produced can change the signal of telecommunication into, and with in signal of telecommunication transmission to the central control room, make the staff in the control room can observe the state or chain usefulness of this application embodiment.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.
Fig. 1 shows a main structure diagram of a signal remote transmission pneumatic control cabinet according to an embodiment of the present application;
fig. 2 shows a wiring schematic diagram of the signal remote transmission pneumatic control cabinet according to the embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It will be understood that, the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings to facilitate the description of the present invention or to facilitate the description thereof, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.
Fig. 1 shows a main body structure diagram of a signal remote transmission pneumatic control cabinet according to an embodiment of the present application. Fig. 2 shows a wiring schematic diagram of the signal remote transmission pneumatic control cabinet according to the embodiment of the present application. As shown in fig. 1 or fig. 2, the remote signal transmission pneumatic control cabinet comprises: the gas-electric converter comprises a first pneumatic control unit 100, a control switch 400, a gas-electric converter 200 and a first control valve 300, wherein the first pneumatic control unit 100 is provided with a first gas source inlet and a first gas source outlet, the first gas source inlet is suitable for being communicated with a gas source, and the first gas source outlet is suitable for driving the valve. The first pneumatic control unit 100 is further provided with a first signal feedback interface, and the first control valve 300 and the gas-electric converter 200 are sequentially connected in series to the first signal feedback interface. One end of the control switch 400 is electrically connected to the first control valve 300, and the other end of the control switch 400 is adapted to be electrically connected to an input power for controlling the opening or closing of the first control valve 300. The gas-electric converter 200 receives the pneumatic signal of the first pneumatic control unit 100 and converts the pneumatic signal into an electric signal. The gas-electric converter 200 is provided with a first signal transmission port which is suitable for being electrically connected with an upper computer so as to transmit the electric signal converted by the gas-electric converter 200 to the upper computer through the first signal transmission port.
The signal remote transmission pneumatic control cabinet in the embodiment of the application is provided with a first pneumatic control unit 100, a control switch 400, a gas-electric converter 200 and a first control valve 300, wherein the first pneumatic control unit 100 is a main control loop of the application, receives a 0.2bar-1bar signal sent by a pressure transmitter, compares the input signal with a preset pressure value, performs PI operation, and outputs a 0.2bar-1bar control signal to a regulating valve, so as to control the opening degree of the valve. When the pressure signal is fed back to the upper computer (central control room), the control switch 400 is turned on, so that the first control valve 300 is in a connected state, and the circuit in which the gas-electric converter 200 is located is in a connected state. The first signal feedback interface of the first pneumatic control unit 100 feeds back pneumatic power to the gas-electric converter 200 through the first control valve 300
The gas-electric converter 200 receives the gas signal output by the first pneumatic control unit 100 and converts the gas signal into an electric signal of 4-20 mA, and transmits the converted electric signal to the central control room for observation or linkage by the staff in the common control room. To sum up, the signal teletransmission pneumatic control cabinet of this application embodiment passes through connection structure for the gas signal that first pneumatic control unit 100 produced can change the signal of telecommunication into, and with in signal of telecommunication transmission to the central control room, make the staff in the control room can observe the state or chain usefulness of this application embodiment.
In a possible implementation manner, a second air control unit 500 and a second control valve 600 are further included, and the second air control unit 500 and the first air control unit 100 are arranged side by side. The second pneumatic control unit 500 is provided with a second air source inlet and a second air source outlet, the second air source inlet is suitable for communicating with an air source, and the second air source outlet is suitable for driving a valve. The second pneumatic control unit 500 is further provided with a second signal feedback port, one end of the second control valve 600 is connected with the second signal feedback port, and the other end of the second control valve 600 is communicated with the gas-electric converter 200. The control switch 400 is a change-over switch, and the second control valve 600 is electrically connected to the control switch 400 and used for controlling the second control valve 600 to open or close. Therefore, a redundant safety design with one use and one spare is formed, and when the devices in one path are damaged, the spare second air control unit 500 and the spare second control valve 600 can be started to transmit signals only by rotating the control switch 400.
Here, it should be noted that in one possible implementation, the first control valve 300 and the second control valve 600 are both solenoid valves.
Further, in a possible implementation, there are two first signal feedback interfaces, two first control valves 300, and two gas-electric converters 200. Each first signal feedback interface is connected with a corresponding first control valve 300 and the first gas-to-electric converter 200. The two first control valves 300 are electrically connected with the control switch 400, and the two gas-electric sensors are electrically connected with the upper computer. Therefore, the first signal feedback interface, the first control valve 300 and the gas-electric converter 200 are arranged in two, so that when one path of the first control valve 300 and the gas-electric converter 200 are in failure, a standby branch is provided, and the safety performance is further ensured.
Further, in a possible implementation manner, there are two second signal feedback ports, there are two second control valves 600, and one second control valve 600 is connected to each second signal feedback port. The two second control valves 600 are connected to the two gas-electric converters 200 in a one-to-one correspondence. Both of the second control valves 600 are electrically connected to the control switch 400. The structure of the first pneumatic control unit 100 is the same as that of the second pneumatic control unit 500. Thereby, the safety performance is further ensured.
In a possible implementation manner, the system further includes a first indicator lamp 900, where the first indicator lamp 900 is electrically connected to the control switch 400, and is configured to receive a status instruction sent by the upper computer, and the status instruction is generated according to an electrical signal received by the upper computer and converted by the gas-electric converter 200. And when the first control valve 300 is energized, the first indicator lamp 900 is energized. Therefore, when the branch of the first pneumatic control unit 100 operates, the first indicator lamp 900 is turned on, which represents the operation of the branch of the embodiment of the present application.
In a possible implementation manner, the system further includes a second indicator light 1010, where the second indicator light 1010 is electrically connected to the control switch 400, and is configured to receive a status instruction sent by an upper computer, and the status instruction is generated according to an electrical signal received by the upper computer and converted by the gas-electric converter 200. And when the second control valve 600 is energized, the second indicator light 1010 is energized. Therefore, when the second air control unit 500 is communicated, the second indicator lamp 1010 is turned on, which represents that the air path of the embodiment of the present application works.
Further, in a possible implementation manner, the first air control unit 100 includes a pneumatic controller 110, an air source processing unit 120, and a filtering and pressure reducing valve 130, an air inlet of the air source processing unit 120 is used as a first air source inlet to communicate with an air source, an air outlet of the air source processing unit 120 is provided with two air outlet branches, one air outlet branch of the air source processing unit 120 is suitable for communicating with a valve and is used as a standard air source, and the other air outlet branch of the air source processing unit 120 is communicated with an air inlet of the filtering and pressure reducing valve 130. Two air outlet branches are arranged at the air outlet of the filtering and pressure reducing valve 130, one of the two air outlet branches of the filtering and pressure reducing valve 130 is suitable for being communicated with a pressure transmitter, and the other one of the two air outlet branches is communicated with the first air inlet of the pneumatic controller 110. The pneumatic controller 110 is further provided with a second air inlet for communicating with the pressure transmitter, and an air outlet of the pneumatic controller 110 is adapted to communicate with the valve as a first air source outlet.
Here, it should be noted that in one possible implementation, the filtering and pressure reducing valve 130 may be a triplet, the air source processor may be an air filter, or a triplet may be used.
Here, it should also be noted that, in a possible implementation manner, the second pneumatic control unit 500 includes a standby controller 510, a standby processing unit 520, and a standby pressure reducing valve 530, wherein an air inlet of the standby controller 510 is used as a second air source inlet to communicate with an air source, an air outlet of the standby processing unit 520 is provided with two air outlet branches, one air outlet branch of the standby processing unit 520 is suitable for communicating with a valve to be used as a standard air source, and the other air outlet branch of the standby processing unit 520 is used to communicate with an air inlet of the standby pressure reducing valve 530. Two air outlet branches are arranged at the air outlet of the standby pressure reducing valve 530, one of the two air outlet branches of the standby pressure reducing valve 530 is suitable for being communicated with a pressure transmitter, and the other one of the two air outlet branches is communicated with a third air inlet of the standby controller 510. The standby controller 510 is further provided with a fourth air inlet for communicating with the pressure transmitter, and an air outlet of the standby controller 510 is adapted to communicate with the valve as a second air source outlet.
Further, in a possible implementation manner, a first pressure gauge 700 is disposed on the outlet branch of the filter pressure reducing valve 130 connected to the first inlet of the air controller 110, and the first pressure gauge 700 is adapted to monitor the pressure of the outlet branch of the filter pressure reducing valve 130 connected to the first inlet of the air controller 110. The gas outlet of the gas source processing unit 120 is provided with a second pressure gauge 800 for detecting the pressure at the gas outlet of the gas source processing unit 120.
Further, in a possible implementation manner, a cabinet 1020 is further included, and the first pneumatic control unit 100, the gas-electric converter 200, and the first control valve 300 are all installed inside the cabinet 1020. A housing is provided outside the first pneumatic control unit 100, and the control switch 400 is mounted on the housing.
Here, it should also be noted that in one possible implementation, backup controller 510 is also secured within the housing, backup processing unit 520 and backup pressure relief valve 530 are both mounted on the exterior of the housing, and air supply processing unit 120 and filter pressure relief valve 130 are on the same side, backup processing unit 520 is located on the opposite side walls of the housing as air supply processing unit 120, and a console of pneumatic controller 110 and a console of backup controller 510 are both disposed extending out of the housing.
Furthermore, in a possible implementation manner, an air path block 1030 is further disposed inside the cabinet 1020, and a plurality of air path channels are disposed on the air path block 1030 and used for installing each pipeline in the cabinet 1020.
Here, it should be noted that, in a possible implementation manner, the connection of each device in the embodiment of the present application is in the form of a pipe, and the air path channel functions to fix each pipe, so that the inside of the embodiment of the present application is more regular.
Here, it should also be noted that, in one possible implementation, the first air control unit 100 and the second air control unit 500 are disposed side by side inside the cabinet 1020, and the two gas-electric converters 200, the two first control valves 300, and the two second control valves 600 are disposed side by side at positions below the first air control unit 100 and the second air control unit 500. And two first control valves 300 and two second control valves 600 are disposed between the two gas-electric converters 200. And the two first control valves 300 and the two second control valves 600 are sequentially arranged side by side, and an electrical junction box is arranged between the adjacent first control valves 300 and the adjacent second control valves 600 for wiring. The air passage block 1030 is elongated, and the air passage block 1030 is disposed at a position below the adjacent first and second control valves 300 and 600.
The signal teletransmission pneumatic control cabinet of this application embodiment includes control switch 400, two gas-electricity converter 200, first air accuse unit 100, second air accuse unit 500, two first control valves 300 and two second control valves 600, and wherein, first air accuse unit 100 and second air accuse unit 500 set up side by side, and both mutual noninterference. The first air source inlet of the first air control unit 100 is communicated with an air source, the first air control unit 100 drives a valve, the first air control unit 100 is provided with two first signal feedback interfaces, each first signal feedback interface is correspondingly connected with one first control valve 300 and one gas-electric converter 200, the two first control valves 300 are electrically connected with the control switch 400, and the two gas-electric converters 200 are electrically connected with the central control room. The second air source inlet of the second air control unit 500 is communicated with an air source, the second air control unit 500 drives the valve, the second air control unit 500 is provided with two second signal feedback ports, each second signal feedback port is correspondingly connected with one second control valve 600 and one gas-electric converter 200, the two second control valves 600 are electrically connected with the control switch 400, and the two gas-electric converters 200 are electrically connected with the central control chamber. The first air control unit 100 includes a pneumatic controller 110, an air source processing unit 120 and a filtering and pressure reducing valve 130, an air inlet of the air source processing unit 120 is used as a first air source inlet to be communicated with an air source, an air outlet of the air source processing unit 120 is provided with two air outlet branches, one air outlet branch of the air source processing unit 120 is suitable for being communicated with a valve and used as a standard air source, and the other air outlet branch of the air source processing unit 120 is communicated with an air inlet of the filtering and pressure reducing valve 130. Two air outlet branches are arranged at the air outlet of the filtering and pressure reducing valve 130, one of the two air outlet branches of the filtering and pressure reducing valve 130 is suitable for being communicated with a pressure transmitter, and the other one of the two air outlet branches is communicated with the first air inlet of the pneumatic controller 110. The pneumatic controller 110 is further provided with a second air inlet for communicating with the pressure transmitter, and an air outlet of the pneumatic controller 110 is adapted to communicate with the valve as a first air source outlet. The second pneumatic control unit 500 has the same structure as the first pneumatic control unit 100. And a first indicator lamp 900 is provided for indicating whether the first pneumatic control unit 100 is in a working state, and a second indicator lamp 1010 is provided for indicating whether the second pneumatic control unit 500 is in a working state. To sum up, the signal teletransmission pneumatic control cabinet of this application embodiment passes through connection structure for the gas signal that first gas accuse unit 100 or second gas accuse unit 500 produced can change the signal of telecommunication into, and with signal of telecommunication transmission to central control indoor, make the staff in the control room can observe the state or chain usefulness of this application embodiment.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A signal teletransmission pneumatic control cabinet, its characterized in that includes:
the gas-electric converter comprises a first pneumatic control unit, a control switch, a gas-electric converter and a first control valve;
the first pneumatic control unit is provided with a first air source inlet and a first air source outlet, the first air source inlet is suitable for being communicated with an air source, and the first air source outlet is suitable for being connected with a valve so as to drive the valve;
the first pneumatic control unit is also provided with a first signal feedback interface, and the first control valve and the gas-electric converter are sequentially connected on the first signal feedback interface in series;
one end of the control switch is electrically connected with the first control valve, and the other end of the control switch is suitable for being electrically connected with an input power supply and is used for controlling the first control valve to be opened or closed;
the gas-electric converter receives a pneumatic signal of the first pneumatic control unit and converts the pneumatic signal into an electric signal;
the gas-electric converter is provided with a first signal transmission port, and the first signal transmission port is suitable for being electrically connected with an upper computer so as to transmit an electric signal converted by the gas-electric converter to the upper computer through the first signal transmission port.
2. The remote signal transmission pneumatic control cabinet according to claim 1, further comprising a second pneumatic control unit and a second control valve;
the second air control unit is provided with a second air source inlet and a second air source outlet, the second air source inlet is suitable for being communicated with the air source, and the second air source outlet is suitable for driving the valve;
the second pneumatic control unit is also provided with a second signal feedback port, one end of the second control valve is used with the second signal feedback port, and the other end of the second control valve is communicated with the gas-electric converter;
the control switch is a change-over switch, and the second control valve is electrically connected with the control switch and used for controlling the opening or closing of the second control valve.
3. The remote signal transmission pneumatic control cabinet according to claim 2, wherein there are two first signal feedback interfaces, two first control valves, and two gas-to-electric converters;
each first signal feedback interface is correspondingly connected with one first control valve and the gas-electric converter;
the two first control valves are electrically connected with the control switch, and the two gas-electric converters are electrically connected with the upper computer.
4. The remote signal transmission pneumatic control cabinet according to claim 3, wherein there are two second signal feedback ports, and two second control valves;
each second signal feedback port is connected with one second control valve;
the two second control valves are connected to the two gas-electric converters in a one-to-one correspondence manner;
the two second control valves are electrically connected with the control switch;
the structure of the first air control unit is the same as that of the second air control unit.
5. The signal remote transmission pneumatic control cabinet according to claim 1, further comprising a first indicator light, wherein the first indicator light is electrically connected with the control switch and is used for receiving a status instruction sent by the upper computer, and the status instruction is generated according to an electrical signal received by the upper computer and converted by the gas-electric converter; and is
When the first control valve is electrified, the first indicator lamp is electrified.
6. The signal remote transmission pneumatic control cabinet according to claim 2, further comprising a second indicator light, wherein the second indicator light is electrically connected with the control switch and is used for receiving a status instruction sent by the upper computer, and the status instruction is generated according to an electric signal received by the upper computer and converted by the gas-electric converter; and is provided with
When the second control valve is electrified, the second indicator lamp is electrified.
7. The remote signal transmission pneumatic control cabinet according to any one of claims 1 to 6, wherein the first pneumatic control unit comprises a pneumatic controller, a gas source processing unit and a filtering pressure reducing valve;
the air inlet of the air source processing unit is used as the first air source inlet and is communicated with the air source, two air outlet branches are arranged at the air outlet of the air source processing unit, one air outlet branch of the air source processing unit is suitable for being communicated with a valve and used as a standard air source, and the other air outlet branch of the air source processing unit is communicated with the air inlet of the filtering and reducing valve;
two air outlet branches are arranged at the air outlet of the filtering and pressure reducing valve, one of the two air outlet branches of the filtering and pressure reducing valve is suitable for being communicated with a pressure transmitter, and the other one of the two air outlet branches of the filtering and pressure reducing valve is communicated with a first air inlet of the pneumatic controller;
the pneumatic controller is also provided with a second air inlet which is used for being communicated with the pressure transmitter, and an air outlet of the pneumatic controller is used as a first air source outlet and is suitable for being communicated with the valve.
8. The signal remote transmission pneumatic control cabinet according to claim 7, wherein a first pressure gauge is disposed on an air outlet branch of the filter pressure reducing valve communicated with the first air inlet of the pneumatic controller, and the first pressure gauge is adapted to monitor a pressure of the air outlet branch of the filter pressure reducing valve communicated with the first air inlet of the pneumatic controller;
and a second pressure gauge is arranged at the air outlet of the air source processing unit and used for detecting the pressure at the air outlet of the air source processing unit.
9. The signal teletransmission pneumatic control cabinet of any one of claims 1 to 6, further comprising a cabinet body;
the first pneumatic control unit, the gas-electric converter and the first control valve are all arranged inside the cabinet body;
a shell is arranged outside the first pneumatic control unit, and the control switch is installed on the shell.
10. The signal remote transmission pneumatic control cabinet according to claim 9, wherein an air passage block is further disposed inside the cabinet body, and a plurality of air passage channels are disposed on the air passage block and used for installing each pipeline inside the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123361311.5U CN216556503U (en) | 2021-12-28 | 2021-12-28 | Signal remote transmission pneumatic control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123361311.5U CN216556503U (en) | 2021-12-28 | 2021-12-28 | Signal remote transmission pneumatic control cabinet |
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| Publication Number | Publication Date |
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| CN216556503U true CN216556503U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123361311.5U Active CN216556503U (en) | 2021-12-28 | 2021-12-28 | Signal remote transmission pneumatic control cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN216556503U (en) |
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2021
- 2021-12-28 CN CN202123361311.5U patent/CN216556503U/en active Active
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