CN210461878U - Pneumatic valve controller - Google Patents
Pneumatic valve controller Download PDFInfo
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- CN210461878U CN210461878U CN201921358098.2U CN201921358098U CN210461878U CN 210461878 U CN210461878 U CN 210461878U CN 201921358098 U CN201921358098 U CN 201921358098U CN 210461878 U CN210461878 U CN 210461878U
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Abstract
The utility model discloses a pneumatic valve controller. The alarm box is arranged in a cab and is in wired connection with a fuse of a tank car, the control box is arranged in a tool box and is in wired connection with a cable interface of the alarm box, a seabed valve detection port of the control box is connected with a gas outlet of a pneumatic control combination switch through a three-way quick connector, a main gas outlet and a gas outlet of the control box are respectively connected with a main gas inlet and a return gas closing port of the pneumatic control combination switch, and a main gas inlet of the control box is connected with an emergency cut-off button. The alarm box comprises a first shell, a wire inlet, a safety grid, a manual/automatic switching button and a horn, and a fuse of the tank car is connected with the safety grid through the wire inlet of the first shell. The utility model discloses a pneumatic valve controller need not detect the speed of a motor vehicle, and the direct detection automobile body is whether started. The subsea valve can be immediately closed when the vehicle is started, and the reliability is high.
Description
Technical Field
The utility model relates to a petrochemical field, in particular to pneumatic valve controller.
Background
According to the requirements of safety and environmental protection, the submarine valves are basically installed on the oil tank trucks in China, and a driver is required to close the submarine valves after loading and unloading are finished. However, the manual operation of the driver is completely relied on at present, and the phenomenon of manual negligence exists. The oil tank truck has great potential safety hazard when running on the road.
At present, the device capable of automatically closing the subsea valve in the society basically closes the subsea valve in a linkage manner after the starting speed of the tank car is detected. There are several types: firstly, a GPS speed measurement method is used, the GPS is expensive, the cost is increased, more importantly, the GPS can work only by searching a satellite and detecting a signal, the speed of the tank car can be measured, a subsea valve cannot be closed immediately, and potential safety hazards of the tank car on the road exist. Secondly, the gyroscope simulates the vehicle speed, is troublesome to use and has a plurality of interference situations, the gyroscope simulates the vehicle speed by detecting the acceleration, and the gyroscope has unstable situations when the vehicle vibrates, so that the gyroscope interferes with normal loading and unloading operations. And thirdly, radar speed measurement is high in cost, low in precision and unreliable in use. And fourthly, a speed signal of the tank car body is connected, the installation connection is very complex, time consumption is greatly increased when one device is installed, a special car body repair worker is required to perform construction operation, and the vehicle does not enjoy a maintenance policy after being disassembled and assembled.
In summary, the products for detecting the speed of the tank car to close the subsea valve in the current market have the defects of difficult overcoming, high cost, low reliability, complex construction and installation, incapability of closing the subsea valve immediately and the like.
Disclosure of Invention
For solving the problem mentioned in the background art, the utility model discloses a pneumatic valve controller is demonstrated.
In order to achieve the above purpose, the following technical solutions are provided:
the pneumatic valve controller comprises an alarm box and a control box, wherein the alarm box is arranged in a cab and is in wired connection with a fuse of a tank car, the control box is arranged in a tool box and is in wired connection with a cable interface of the alarm box, a subsea valve detection port of the control box is connected with a gas outlet of a pneumatic control combination switch through a three-way quick connector, a main path gas outlet and a gas outlet of the control box are respectively connected with a main gas inlet and a return gas closing port of the pneumatic control combination switch, and a main path gas inlet of the control box is connected with an emergency cut-off button.
Furthermore, the alarm box comprises a first shell, a wire inlet, a safety grid, a manual/automatic switching button and a horn, wherein the wire inlet penetrates through the shell surface of the first shell, a fuse of the tank car is connected with the safety grid through the wire inlet of the first shell, the safety grid is fixedly arranged inside the first shell, the manual/automatic switching button is arranged on one side of the wire inlet and is in wired connection with the safety grid, and the horn is arranged inside the first shell and is in wired connection with the complete grid.
Further, the control box comprises a second shell, a subsea valve detection port, a main path gas outlet, a cable port, a main path gas inlet and a gas outlet, wherein the subsea valve detection port, the main path gas outlet, the main path gas inlet and the gas outlet penetrate through the end face of the second shell and are fixed, the subsea valve detection port is connected with a pressure switch inside the second shell, the pressure switch is connected with a controller mainboard fixedly arranged in the second shell, the main path gas outlet, the main path gas inlet and the gas outlet are connected with a reversing valve inside the second shell, the reversing valve is connected with the controller mainboard, and the cable port is connected with the controller mainboard.
Further, the controller mainboard is provided with epoxy resin for glue sealing treatment.
The utility model has the advantages that:
the utility model discloses a pneumatic valve controller need not detect the speed of a motor vehicle, and the direct detection automobile body is whether started. The submarine valve can be closed immediately when the vehicle is started, the reliability is high, the situation that the submarine valve is on the road without being closed by the tank car or the submarine valve is automatically closed after the tank car runs on the road for a period of time does not exist, and the potential safety hazard is completely eradicated. Interference such as vibration of the vehicle body does not exist, and normal loading and unloading operation is not influenced. The product is low in cost, simple in installation requirement, and capable of opening the subsea valve and continuously reminding the alarm box by adding a manual mode under the condition that the vehicle is started. The explosion-proof device is convenient to use and maintain, really meets the explosion-proof requirement, and can be used in dangerous places such as inflammable and explosive places. The audible and visual alarm is arranged in the cab and provides an intrinsic safety power supply for a controller arranged in the tank car operating box.
Drawings
FIG. 1 is a schematic diagram of an alarm box for a pneumatically actuated valve controller;
FIG. 2 is a schematic view of a control box of a pneumatically actuated valve controller;
FIG. 3 is an installation layout view of a pneumatic valve controller.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-3, the pneumatic valve controller comprises an alarm box 1 and a control box 2, wherein the alarm box 1 is arranged in a cab and is in wired connection with a fuse 3 of a tank car, the control box 2 is arranged in a tool box and is in wired connection with a cable interface 25 of the alarm box 2, a power line of the pneumatic valve controller is connected to a vehicle starting power supply fuse, and the pneumatic valve controller is directly connected to judge whether a vehicle is started by ignition or not and can immediately close a subsea valve. The subsea valve detection port 22 of the control box 2 is connected with the air outlet 42 of the pneumatically controlled combination switch 4 through a three-way quick coupling 41, the main path air outlet 23 and the air outlet 24 of the control box 2 are respectively connected with the main air inlet 43 and the air return closing port 44 of the pneumatically controlled combination switch 4, and the main path air inlet 26 of the control box 2 is connected with the emergency cut-off button 5.
The control box comprises a second shell 21, a sea chest valve detection port 22, a main road air outlet 23, a main road air inlet 26 and an air outlet 24, wherein the sea chest valve detection port 22, the main road air outlet 23, the main road air inlet 26 and the air outlet 24 penetrate through the end face of the second shell 21 and are fixed, the sea chest valve detection port 22 is connected with a pressure switch 29 inside the second shell 21, the pressure switch 29 is connected with a controller main board 28 fixedly arranged in the second shell 21, the main road air outlet 23, the main road air inlet 26 and the air outlet 24 are connected with a reversing valve 27 in the second shell 21, the reversing valve 27 is connected with the controller main board 28, and the cable port 25 is connected with the controller main board. The controller motherboard 28 is provided with epoxy glue sealing treatment. Really meets the explosion-proof requirement and can be used in dangerous places such as inflammable places and explosive places. The alarm box is arranged in the cab and provides an intrinsic safety power supply for a controller arranged in the tank car operation box.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the present invention without departing from the scope of the present invention by using the method and contents disclosed above.
Claims (4)
1. Pneumatic valve controller, its characterized in that: the alarm box is arranged in a cab and is in wired connection with a fuse of a tank car, the control box is arranged in a tool box and is in wired connection with a cable interface of the alarm box, a seabed valve detection port of the control box is connected with a gas outlet of a pneumatic control combination switch through a three-way quick connector, a main gas outlet and a gas outlet of the control box are respectively connected with a main gas inlet and a return gas closing port of the pneumatic control combination switch, and a main gas inlet of the control box is connected with an emergency cut-off button.
2. A pneumatically actuated valve controller as set forth in claim 1 wherein: the alarm box comprises a first shell, a wire inlet, a safety grid, a manual/automatic switching button and a horn, wherein the wire inlet penetrates through a shell surface of the first shell, a fuse of the tank car passes through the wire inlet of the first shell to be connected with the safety grid, the safety grid is fixedly arranged inside the first shell, the manual/automatic switching button is arranged on one side of the wire inlet and is connected with the safety grid in a wired mode, and the horn is arranged inside the first shell and is connected with the safety grid in a wired mode.
3. A pneumatically actuated valve controller as set forth in claim 1 wherein: the control box comprises a second shell, a subsea valve detection port, a main path gas outlet, a cable port, a main path gas inlet and a gas outlet, wherein the subsea valve detection port, the main path gas outlet, the main path gas inlet and the gas outlet penetrate through the end face of the second shell and are fixed, the subsea valve detection port is connected with a pressure switch inside the second shell, the pressure switch is connected with a controller mainboard fixedly arranged in the second shell, the main path gas outlet, the main path gas inlet and the gas outlet are connected with a reversing valve in the second shell, the reversing valve is connected with the controller mainboard, and the cable port 25 is connected with the controller mainboard.
4. A pneumatically actuated valve controller as set forth in claim 3 wherein: the controller mainboard is provided with epoxy resin glue sealing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358098.2U CN210461878U (en) | 2019-08-21 | 2019-08-21 | Pneumatic valve controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358098.2U CN210461878U (en) | 2019-08-21 | 2019-08-21 | Pneumatic valve controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461878U true CN210461878U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921358098.2U Active CN210461878U (en) | 2019-08-21 | 2019-08-21 | Pneumatic valve controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210461878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096934A (en) * | 2020-07-28 | 2020-12-18 | 浙江镇石物流有限公司 | Safety monitoring method for emergency cut-off valve state of tank truck |
-
2019
- 2019-08-21 CN CN201921358098.2U patent/CN210461878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096934A (en) * | 2020-07-28 | 2020-12-18 | 浙江镇石物流有限公司 | Safety monitoring method for emergency cut-off valve state of tank truck |
| CN112096934B (en) * | 2020-07-28 | 2022-03-29 | 浙江镇石物流有限公司 | Safety monitoring method for emergency cut-off valve state of tank truck |
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